./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_Triplicated.2.ufo.UNBOUNDED.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_Triplicated.2.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5c227f1dec7d604552aae19de1afcc1049837e83568477af6195219b22e2f636 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:15:30,083 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:15:30,186 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-24 00:15:30,192 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:15:30,193 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:15:30,229 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:15:30,230 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:15:30,230 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:15:30,231 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 00:15:30,231 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 00:15:30,231 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 00:15:30,232 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 00:15:30,233 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:15:30,233 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:15:30,233 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:15:30,233 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:15:30,233 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 00:15:30,234 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 00:15:30,234 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 00:15:30,234 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 00:15:30,235 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:15:30,235 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 00:15:30,235 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 00:15:30,235 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 00:15:30,235 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-24 00:15:30,235 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 00:15:30,235 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 00:15:30,236 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:15:30,236 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:15:30,236 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:15:30,236 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 00:15:30,236 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:15:30,236 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:15:30,236 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:15:30,236 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:15:30,236 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:15:30,236 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:15:30,236 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:15:30,237 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:15:30,237 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:15:30,237 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:15:30,237 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 00:15:30,237 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 00:15:30,237 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 00:15:30,237 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 00:15:30,238 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 00:15:30,238 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 00:15:30,238 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 00:15:30,239 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 00:15:30,239 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 00:15:30,239 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_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5c227f1dec7d604552aae19de1afcc1049837e83568477af6195219b22e2f636 [2024-11-24 00:15:30,545 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:15:30,557 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:15:30,560 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:15:30,562 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:15:30,563 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:15:30,564 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_Triplicated.2.ufo.UNBOUNDED.pals.c [2024-11-24 00:15:33,585 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/data/34945d72f/ea2f2609185640878a82794f956e827d/FLAG8ca6f9214 [2024-11-24 00:15:33,886 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:15:33,887 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_Triplicated.2.ufo.UNBOUNDED.pals.c [2024-11-24 00:15:33,897 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/data/34945d72f/ea2f2609185640878a82794f956e827d/FLAG8ca6f9214 [2024-11-24 00:15:34,142 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/data/34945d72f/ea2f2609185640878a82794f956e827d [2024-11-24 00:15:34,145 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:15:34,146 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:15:34,147 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:15:34,148 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:15:34,156 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:15:34,157 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:15:34" (1/1) ... [2024-11-24 00:15:34,160 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29223a49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:15:34, skipping insertion in model container [2024-11-24 00:15:34,160 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:15:34" (1/1) ... [2024-11-24 00:15:34,195 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:15:34,409 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:15:34,419 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:15:34,489 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:15:34,507 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:15:34,507 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:15:34 WrapperNode [2024-11-24 00:15:34,507 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:15:34,508 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:15:34,508 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:15:34,508 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:15:34,513 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:15:34" (1/1) ... [2024-11-24 00:15:34,522 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:15:34" (1/1) ... [2024-11-24 00:15:34,554 INFO L138 Inliner]: procedures = 28, calls = 52, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 427 [2024-11-24 00:15:34,554 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:15:34,555 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:15:34,555 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:15:34,555 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:15:34,567 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:15:34" (1/1) ... [2024-11-24 00:15:34,567 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:15:34" (1/1) ... [2024-11-24 00:15:34,571 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:15:34" (1/1) ... [2024-11-24 00:15:34,601 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]. [2024-11-24 00:15:34,601 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:15:34" (1/1) ... [2024-11-24 00:15:34,602 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:15:34" (1/1) ... [2024-11-24 00:15:34,611 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:15:34" (1/1) ... [2024-11-24 00:15:34,612 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:15:34" (1/1) ... [2024-11-24 00:15:34,618 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:15:34" (1/1) ... [2024-11-24 00:15:34,620 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:15:34" (1/1) ... [2024-11-24 00:15:34,621 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:15:34" (1/1) ... [2024-11-24 00:15:34,625 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:15:34,626 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:15:34,626 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:15:34,626 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:15:34,627 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:15:34" (1/1) ... [2024-11-24 00:15:34,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:15:34,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:15:34,670 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 00:15:34,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 00:15:34,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 00:15:34,702 INFO L130 BoogieDeclarations]: Found specification of procedure write_history_bool [2024-11-24 00:15:34,702 INFO L138 BoogieDeclarations]: Found implementation of procedure write_history_bool [2024-11-24 00:15:34,703 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2024-11-24 00:15:34,703 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2024-11-24 00:15:34,703 INFO L130 BoogieDeclarations]: Found specification of procedure read_history_int8 [2024-11-24 00:15:34,704 INFO L138 BoogieDeclarations]: Found implementation of procedure read_history_int8 [2024-11-24 00:15:34,704 INFO L130 BoogieDeclarations]: Found specification of procedure read_history_bool [2024-11-24 00:15:34,704 INFO L138 BoogieDeclarations]: Found implementation of procedure read_history_bool [2024-11-24 00:15:34,704 INFO L130 BoogieDeclarations]: Found specification of procedure add_history_type [2024-11-24 00:15:34,704 INFO L138 BoogieDeclarations]: Found implementation of procedure add_history_type [2024-11-24 00:15:34,704 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 00:15:34,704 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 00:15:34,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 00:15:34,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:15:34,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:15:34,830 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:15:34,832 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:15:35,621 INFO L? ?]: Removed 113 outVars from TransFormulas that were not future-live. [2024-11-24 00:15:35,621 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:15:35,636 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:15:35,636 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-24 00:15:35,636 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:15:35 BoogieIcfgContainer [2024-11-24 00:15:35,636 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:15:35,641 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 00:15:35,641 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 00:15:35,646 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 00:15:35,647 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:15:34" (1/3) ... [2024-11-24 00:15:35,647 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@604aa1d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:15:35, skipping insertion in model container [2024-11-24 00:15:35,648 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:15:34" (2/3) ... [2024-11-24 00:15:35,648 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@604aa1d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:15:35, skipping insertion in model container [2024-11-24 00:15:35,648 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:15:35" (3/3) ... [2024-11-24 00:15:35,649 INFO L128 eAbstractionObserver]: Analyzing ICFG pals_STARTPALS_Triplicated.2.ufo.UNBOUNDED.pals.c [2024-11-24 00:15:35,661 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 00:15:35,662 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG pals_STARTPALS_Triplicated.2.ufo.UNBOUNDED.pals.c that has 7 procedures, 193 locations, 1 initial locations, 2 loop locations, and 8 error locations. [2024-11-24 00:15:35,717 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 00:15:35,729 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;@66405459, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 00:15:35,729 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-24 00:15:35,733 INFO L276 IsEmpty]: Start isEmpty. Operand has 193 states, 141 states have (on average 1.5957446808510638) internal successors, (225), 153 states have internal predecessors, (225), 37 states have call successors, (37), 6 states have call predecessors, (37), 6 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-24 00:15:35,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-24 00:15:35,740 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:15:35,741 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:15:35,741 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting add_history_typeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-24 00:15:35,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:15:35,746 INFO L85 PathProgramCache]: Analyzing trace with hash 1308420390, now seen corresponding path program 1 times [2024-11-24 00:15:35,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:15:35,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694208657] [2024-11-24 00:15:35,754 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:15:35,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:15:35,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:15:36,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:15:36,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:15:36,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694208657] [2024-11-24 00:15:36,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694208657] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:15:36,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:15:36,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 00:15:36,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240324118] [2024-11-24 00:15:36,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:15:36,107 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 00:15:36,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:15:36,127 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 00:15:36,128 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 00:15:36,132 INFO L87 Difference]: Start difference. First operand has 193 states, 141 states have (on average 1.5957446808510638) internal successors, (225), 153 states have internal predecessors, (225), 37 states have call successors, (37), 6 states have call predecessors, (37), 6 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:15:36,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:15:36,289 INFO L93 Difference]: Finished difference Result 402 states and 661 transitions. [2024-11-24 00:15:36,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:15:36,297 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-11-24 00:15:36,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:15:36,312 INFO L225 Difference]: With dead ends: 402 [2024-11-24 00:15:36,312 INFO L226 Difference]: Without dead ends: 211 [2024-11-24 00:15:36,320 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:15:36,324 INFO L435 NwaCegarLoop]: 289 mSDtfsCounter, 37 mSDsluCounter, 573 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 862 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:15:36,325 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 862 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:15:36,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2024-11-24 00:15:36,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 204. [2024-11-24 00:15:36,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 151 states have (on average 1.5695364238410596) internal successors, (237), 162 states have internal predecessors, (237), 38 states have call successors, (38), 7 states have call predecessors, (38), 7 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-24 00:15:36,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 313 transitions. [2024-11-24 00:15:36,410 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 313 transitions. Word has length 11 [2024-11-24 00:15:36,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:15:36,411 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 313 transitions. [2024-11-24 00:15:36,411 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:15:36,411 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 313 transitions. [2024-11-24 00:15:36,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-24 00:15:36,415 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:15:36,415 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:15:36,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-24 00:15:36,416 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting add_history_typeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-24 00:15:36,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:15:36,417 INFO L85 PathProgramCache]: Analyzing trace with hash 584802411, now seen corresponding path program 1 times [2024-11-24 00:15:36,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:15:36,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903803541] [2024-11-24 00:15:36,418 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:15:36,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:15:36,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:15:36,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:15:36,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:15:36,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903803541] [2024-11-24 00:15:36,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903803541] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:15:36,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:15:36,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:15:36,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660484320] [2024-11-24 00:15:36,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:15:36,717 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 00:15:36,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:15:36,718 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 00:15:36,718 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 00:15:36,719 INFO L87 Difference]: Start difference. First operand 204 states and 313 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 00:15:36,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:15:36,828 INFO L93 Difference]: Finished difference Result 431 states and 671 transitions. [2024-11-24 00:15:36,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 00:15:36,830 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2024-11-24 00:15:36,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:15:36,835 INFO L225 Difference]: With dead ends: 431 [2024-11-24 00:15:36,835 INFO L226 Difference]: Without dead ends: 239 [2024-11-24 00:15:36,836 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 [2024-11-24 00:15:36,837 INFO L435 NwaCegarLoop]: 290 mSDtfsCounter, 19 mSDsluCounter, 572 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 862 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:15:36,839 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 862 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:15:36,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2024-11-24 00:15:36,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 235. [2024-11-24 00:15:36,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 177 states have (on average 1.536723163841808) internal successors, (272), 188 states have internal predecessors, (272), 43 states have call successors, (43), 7 states have call predecessors, (43), 7 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-24 00:15:36,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 358 transitions. [2024-11-24 00:15:36,883 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 358 transitions. Word has length 16 [2024-11-24 00:15:36,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:15:36,885 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 358 transitions. [2024-11-24 00:15:36,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 00:15:36,885 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 358 transitions. [2024-11-24 00:15:36,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-24 00:15:36,886 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:15:36,886 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:15:36,887 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 00:15:36,887 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting add_history_typeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-24 00:15:36,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:15:36,887 INFO L85 PathProgramCache]: Analyzing trace with hash 165610179, now seen corresponding path program 1 times [2024-11-24 00:15:36,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:15:36,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670970777] [2024-11-24 00:15:36,888 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:15:36,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:15:36,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:15:37,164 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-24 00:15:37,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:15:37,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670970777] [2024-11-24 00:15:37,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670970777] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:15:37,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1471146018] [2024-11-24 00:15:37,167 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:15:37,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:15:37,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:15:37,172 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:15:37,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 00:15:37,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:15:37,330 INFO L256 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 00:15:37,337 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:15:37,441 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-24 00:15:37,441 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:15:37,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1471146018] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:15:37,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:15:37,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-24 00:15:37,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168552155] [2024-11-24 00:15:37,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:15:37,442 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:15:37,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:15:37,442 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:15:37,443 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-24 00:15:37,443 INFO L87 Difference]: Start difference. First operand 235 states and 358 transitions. Second operand has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-24 00:15:37,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:15:37,521 INFO L93 Difference]: Finished difference Result 239 states and 364 transitions. [2024-11-24 00:15:37,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 00:15:37,525 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 29 [2024-11-24 00:15:37,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:15:37,527 INFO L225 Difference]: With dead ends: 239 [2024-11-24 00:15:37,527 INFO L226 Difference]: Without dead ends: 238 [2024-11-24 00:15:37,527 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-24 00:15:37,529 INFO L435 NwaCegarLoop]: 283 mSDtfsCounter, 19 mSDsluCounter, 824 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 1107 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:15:37,529 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 1107 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:15:37,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2024-11-24 00:15:37,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 234. [2024-11-24 00:15:37,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 177 states have (on average 1.5197740112994351) internal successors, (269), 187 states have internal predecessors, (269), 43 states have call successors, (43), 7 states have call predecessors, (43), 7 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-24 00:15:37,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 355 transitions. [2024-11-24 00:15:37,576 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 355 transitions. Word has length 29 [2024-11-24 00:15:37,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:15:37,576 INFO L471 AbstractCegarLoop]: Abstraction has 234 states and 355 transitions. [2024-11-24 00:15:37,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-24 00:15:37,576 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 355 transitions. [2024-11-24 00:15:37,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-24 00:15:37,580 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:15:37,581 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-24 00:15:37,592 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-24 00:15:37,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:15:37,782 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting add_history_typeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-24 00:15:37,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:15:37,783 INFO L85 PathProgramCache]: Analyzing trace with hash 838948770, now seen corresponding path program 1 times [2024-11-24 00:15:37,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:15:37,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367965955] [2024-11-24 00:15:37,783 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:15:37,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:15:37,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:15:37,880 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-24 00:15:37,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:15:37,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367965955] [2024-11-24 00:15:37,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367965955] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:15:37,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:15:37,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:15:37,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573525302] [2024-11-24 00:15:37,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:15:37,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 00:15:37,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:15:37,882 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 00:15:37,882 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 00:15:37,882 INFO L87 Difference]: Start difference. First operand 234 states and 355 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-24 00:15:37,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:15:37,921 INFO L93 Difference]: Finished difference Result 238 states and 361 transitions. [2024-11-24 00:15:37,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 00:15:37,921 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 30 [2024-11-24 00:15:37,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:15:37,924 INFO L225 Difference]: With dead ends: 238 [2024-11-24 00:15:37,924 INFO L226 Difference]: Without dead ends: 237 [2024-11-24 00:15:37,924 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 [2024-11-24 00:15:37,925 INFO L435 NwaCegarLoop]: 284 mSDtfsCounter, 18 mSDsluCounter, 542 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 826 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:15:37,925 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 826 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:15:37,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2024-11-24 00:15:37,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 204. [2024-11-24 00:15:37,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 153 states have (on average 1.522875816993464) internal successors, (233), 162 states have internal predecessors, (233), 38 states have call successors, (38), 7 states have call predecessors, (38), 7 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-24 00:15:37,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 309 transitions. [2024-11-24 00:15:37,944 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 309 transitions. Word has length 30 [2024-11-24 00:15:37,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:15:37,945 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 309 transitions. [2024-11-24 00:15:37,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-24 00:15:37,945 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 309 transitions. [2024-11-24 00:15:37,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-24 00:15:37,949 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:15:37,949 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:15:37,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-24 00:15:37,949 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-24 00:15:37,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:15:37,950 INFO L85 PathProgramCache]: Analyzing trace with hash 635324880, now seen corresponding path program 1 times [2024-11-24 00:15:37,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:15:37,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397232118] [2024-11-24 00:15:37,950 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:15:37,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:15:37,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:15:38,290 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-24 00:15:38,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:15:38,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397232118] [2024-11-24 00:15:38,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397232118] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:15:38,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2051651342] [2024-11-24 00:15:38,290 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:15:38,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:15:38,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:15:38,293 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:15:38,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-24 00:15:38,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:15:38,527 INFO L256 TraceCheckSpWp]: Trace formula consists of 545 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 00:15:38,535 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:15:38,592 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-24 00:15:38,592 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:15:38,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2051651342] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:15:38,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:15:38,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 8 [2024-11-24 00:15:38,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926871485] [2024-11-24 00:15:38,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:15:38,593 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 00:15:38,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:15:38,596 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 00:15:38,596 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-24 00:15:38,596 INFO L87 Difference]: Start difference. First operand 204 states and 309 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-24 00:15:38,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:15:38,694 INFO L93 Difference]: Finished difference Result 355 states and 546 transitions. [2024-11-24 00:15:38,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:15:38,695 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 92 [2024-11-24 00:15:38,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:15:38,699 INFO L225 Difference]: With dead ends: 355 [2024-11-24 00:15:38,700 INFO L226 Difference]: Without dead ends: 211 [2024-11-24 00:15:38,701 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-24 00:15:38,703 INFO L435 NwaCegarLoop]: 280 mSDtfsCounter, 10 mSDsluCounter, 552 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 832 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:15:38,704 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 832 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:15:38,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2024-11-24 00:15:38,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 211. [2024-11-24 00:15:38,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 158 states have (on average 1.5253164556962024) internal successors, (241), 168 states have internal predecessors, (241), 39 states have call successors, (39), 8 states have call predecessors, (39), 8 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-24 00:15:38,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 319 transitions. [2024-11-24 00:15:38,735 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 319 transitions. Word has length 92 [2024-11-24 00:15:38,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:15:38,735 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 319 transitions. [2024-11-24 00:15:38,735 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-24 00:15:38,735 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 319 transitions. [2024-11-24 00:15:38,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-24 00:15:38,742 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:15:38,744 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 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] [2024-11-24 00:15:38,754 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-24 00:15:38,944 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:15:38,945 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-24 00:15:38,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:15:38,945 INFO L85 PathProgramCache]: Analyzing trace with hash 891997864, now seen corresponding path program 1 times [2024-11-24 00:15:38,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:15:38,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102765244] [2024-11-24 00:15:38,946 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:15:38,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:15:38,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:15:39,216 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-24 00:15:39,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:15:39,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102765244] [2024-11-24 00:15:39,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102765244] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:15:39,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1184340884] [2024-11-24 00:15:39,217 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:15:39,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:15:39,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:15:39,222 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:15:39,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-24 00:15:39,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:15:39,451 INFO L256 TraceCheckSpWp]: Trace formula consists of 547 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 00:15:39,454 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:15:39,498 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-24 00:15:39,499 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:15:39,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1184340884] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:15:39,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:15:39,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 8 [2024-11-24 00:15:39,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265757338] [2024-11-24 00:15:39,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:15:39,500 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 00:15:39,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:15:39,500 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 00:15:39,500 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-24 00:15:39,500 INFO L87 Difference]: Start difference. First operand 211 states and 319 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-24 00:15:39,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:15:39,583 INFO L93 Difference]: Finished difference Result 369 states and 565 transitions. [2024-11-24 00:15:39,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:15:39,584 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 94 [2024-11-24 00:15:39,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:15:39,586 INFO L225 Difference]: With dead ends: 369 [2024-11-24 00:15:39,586 INFO L226 Difference]: Without dead ends: 218 [2024-11-24 00:15:39,587 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-24 00:15:39,591 INFO L435 NwaCegarLoop]: 279 mSDtfsCounter, 8 mSDsluCounter, 550 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 829 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:15:39,593 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 829 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:15:39,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2024-11-24 00:15:39,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 218. [2024-11-24 00:15:39,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 163 states have (on average 1.5276073619631902) internal successors, (249), 174 states have internal predecessors, (249), 40 states have call successors, (40), 9 states have call predecessors, (40), 9 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-24 00:15:39,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 329 transitions. [2024-11-24 00:15:39,615 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 329 transitions. Word has length 94 [2024-11-24 00:15:39,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:15:39,616 INFO L471 AbstractCegarLoop]: Abstraction has 218 states and 329 transitions. [2024-11-24 00:15:39,618 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-24 00:15:39,619 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 329 transitions. [2024-11-24 00:15:39,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-24 00:15:39,620 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:15:39,620 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 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] [2024-11-24 00:15:39,630 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-24 00:15:39,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-24 00:15:39,825 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)] === [2024-11-24 00:15:39,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:15:39,825 INFO L85 PathProgramCache]: Analyzing trace with hash -1699177550, now seen corresponding path program 1 times [2024-11-24 00:15:39,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:15:39,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414730348] [2024-11-24 00:15:39,825 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:15:39,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:15:39,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:15:40,006 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-24 00:15:40,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:15:40,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414730348] [2024-11-24 00:15:40,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414730348] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:15:40,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1738799440] [2024-11-24 00:15:40,007 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:15:40,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:15:40,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:15:40,009 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:15:40,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-24 00:15:40,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:15:40,210 INFO L256 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 00:15:40,216 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:15:40,259 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-24 00:15:40,261 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:15:40,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1738799440] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:15:40,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:15:40,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 8 [2024-11-24 00:15:40,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361626288] [2024-11-24 00:15:40,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:15:40,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 00:15:40,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:15:40,263 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 00:15:40,263 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-24 00:15:40,264 INFO L87 Difference]: Start difference. First operand 218 states and 329 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-24 00:15:40,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:15:40,427 INFO L93 Difference]: Finished difference Result 394 states and 615 transitions. [2024-11-24 00:15:40,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:15:40,428 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 95 [2024-11-24 00:15:40,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:15:40,430 INFO L225 Difference]: With dead ends: 394 [2024-11-24 00:15:40,430 INFO L226 Difference]: Without dead ends: 236 [2024-11-24 00:15:40,431 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-24 00:15:40,434 INFO L435 NwaCegarLoop]: 272 mSDtfsCounter, 39 mSDsluCounter, 516 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 788 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:15:40,434 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 788 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:15:40,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2024-11-24 00:15:40,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 232. [2024-11-24 00:15:40,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 175 states have (on average 1.542857142857143) internal successors, (270), 186 states have internal predecessors, (270), 41 states have call successors, (41), 10 states have call predecessors, (41), 10 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2024-11-24 00:15:40,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 352 transitions. [2024-11-24 00:15:40,451 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 352 transitions. Word has length 95 [2024-11-24 00:15:40,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:15:40,452 INFO L471 AbstractCegarLoop]: Abstraction has 232 states and 352 transitions. [2024-11-24 00:15:40,452 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-24 00:15:40,453 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 352 transitions. [2024-11-24 00:15:40,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-24 00:15:40,459 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:15:40,459 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 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] [2024-11-24 00:15:40,470 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-24 00:15:40,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:15:40,660 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-24 00:15:40,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:15:40,661 INFO L85 PathProgramCache]: Analyzing trace with hash -1550197501, now seen corresponding path program 1 times [2024-11-24 00:15:40,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:15:40,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119803278] [2024-11-24 00:15:40,661 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:15:40,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:15:40,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:15:40,843 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-11-24 00:15:40,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:15:40,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119803278] [2024-11-24 00:15:40,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119803278] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:15:40,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1417627417] [2024-11-24 00:15:40,843 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:15:40,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:15:40,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:15:40,846 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:15:40,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-24 00:15:41,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:15:41,030 INFO L256 TraceCheckSpWp]: Trace formula consists of 551 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 00:15:41,033 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:15:41,068 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-24 00:15:41,068 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:15:41,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1417627417] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:15:41,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:15:41,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 8 [2024-11-24 00:15:41,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891241120] [2024-11-24 00:15:41,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:15:41,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 00:15:41,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:15:41,069 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 00:15:41,069 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-24 00:15:41,070 INFO L87 Difference]: Start difference. First operand 232 states and 352 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-24 00:15:41,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:15:41,165 INFO L93 Difference]: Finished difference Result 469 states and 727 transitions. [2024-11-24 00:15:41,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:15:41,166 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 98 [2024-11-24 00:15:41,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:15:41,168 INFO L225 Difference]: With dead ends: 469 [2024-11-24 00:15:41,171 INFO L226 Difference]: Without dead ends: 256 [2024-11-24 00:15:41,172 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-24 00:15:41,173 INFO L435 NwaCegarLoop]: 277 mSDtfsCounter, 21 mSDsluCounter, 531 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 808 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:15:41,175 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 808 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:15:41,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2024-11-24 00:15:41,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 256. [2024-11-24 00:15:41,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 195 states have (on average 1.558974358974359) internal successors, (304), 206 states have internal predecessors, (304), 43 states have call successors, (43), 12 states have call predecessors, (43), 12 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-24 00:15:41,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 390 transitions. [2024-11-24 00:15:41,197 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 390 transitions. Word has length 98 [2024-11-24 00:15:41,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:15:41,198 INFO L471 AbstractCegarLoop]: Abstraction has 256 states and 390 transitions. [2024-11-24 00:15:41,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-24 00:15:41,198 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 390 transitions. [2024-11-24 00:15:41,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-24 00:15:41,202 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:15:41,202 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 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] [2024-11-24 00:15:41,211 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-24 00:15:41,404 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:15:41,405 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-24 00:15:41,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:15:41,405 INFO L85 PathProgramCache]: Analyzing trace with hash -2121951199, now seen corresponding path program 1 times [2024-11-24 00:15:41,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:15:41,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440914865] [2024-11-24 00:15:41,405 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:15:41,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:15:41,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:15:41,646 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-24 00:15:41,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:15:41,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440914865] [2024-11-24 00:15:41,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440914865] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:15:41,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [764434389] [2024-11-24 00:15:41,647 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:15:41,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:15:41,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:15:41,651 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:15:41,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-24 00:15:41,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:15:41,830 INFO L256 TraceCheckSpWp]: Trace formula consists of 553 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 00:15:41,833 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:15:41,883 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-24 00:15:41,883 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:15:41,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [764434389] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:15:41,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:15:41,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 8 [2024-11-24 00:15:41,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115029138] [2024-11-24 00:15:41,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:15:41,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 00:15:41,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:15:41,884 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 00:15:41,884 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-24 00:15:41,885 INFO L87 Difference]: Start difference. First operand 256 states and 390 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-24 00:15:41,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:15:41,978 INFO L93 Difference]: Finished difference Result 513 states and 792 transitions. [2024-11-24 00:15:41,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:15:41,979 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 100 [2024-11-24 00:15:41,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:15:41,982 INFO L225 Difference]: With dead ends: 513 [2024-11-24 00:15:41,983 INFO L226 Difference]: Without dead ends: 276 [2024-11-24 00:15:41,984 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-24 00:15:41,985 INFO L435 NwaCegarLoop]: 274 mSDtfsCounter, 19 mSDsluCounter, 521 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 795 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:15:41,985 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 795 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:15:41,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2024-11-24 00:15:42,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 276. [2024-11-24 00:15:42,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 211 states have (on average 1.5639810426540284) internal successors, (330), 222 states have internal predecessors, (330), 45 states have call successors, (45), 14 states have call predecessors, (45), 14 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-24 00:15:42,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 420 transitions. [2024-11-24 00:15:42,014 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 420 transitions. Word has length 100 [2024-11-24 00:15:42,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:15:42,016 INFO L471 AbstractCegarLoop]: Abstraction has 276 states and 420 transitions. [2024-11-24 00:15:42,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-24 00:15:42,016 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 420 transitions. [2024-11-24 00:15:42,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-24 00:15:42,018 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:15:42,018 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 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] [2024-11-24 00:15:42,028 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-24 00:15:42,218 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:15:42,219 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-24 00:15:42,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:15:42,219 INFO L85 PathProgramCache]: Analyzing trace with hash -984648255, now seen corresponding path program 1 times [2024-11-24 00:15:42,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:15:42,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251943990] [2024-11-24 00:15:42,220 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:15:42,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:15:42,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:15:42,366 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-24 00:15:42,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:15:42,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251943990] [2024-11-24 00:15:42,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251943990] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:15:42,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1919863908] [2024-11-24 00:15:42,367 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:15:42,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:15:42,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:15:42,369 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:15:42,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-24 00:15:42,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:15:42,553 INFO L256 TraceCheckSpWp]: Trace formula consists of 554 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 00:15:42,556 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:15:42,595 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-24 00:15:42,595 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:15:42,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1919863908] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:15:42,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:15:42,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-24 00:15:42,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808812807] [2024-11-24 00:15:42,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:15:42,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 00:15:42,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:15:42,596 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 00:15:42,596 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-24 00:15:42,596 INFO L87 Difference]: Start difference. First operand 276 states and 420 transitions. Second operand has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-24 00:15:42,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:15:42,642 INFO L93 Difference]: Finished difference Result 284 states and 435 transitions. [2024-11-24 00:15:42,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 00:15:42,642 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 101 [2024-11-24 00:15:42,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:15:42,645 INFO L225 Difference]: With dead ends: 284 [2024-11-24 00:15:42,645 INFO L226 Difference]: Without dead ends: 283 [2024-11-24 00:15:42,645 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-24 00:15:42,646 INFO L435 NwaCegarLoop]: 276 mSDtfsCounter, 12 mSDsluCounter, 539 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 815 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:15:42,646 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 815 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:15:42,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2024-11-24 00:15:42,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 275. [2024-11-24 00:15:42,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 211 states have (on average 1.5592417061611374) internal successors, (329), 221 states have internal predecessors, (329), 45 states have call successors, (45), 14 states have call predecessors, (45), 14 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-24 00:15:42,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 419 transitions. [2024-11-24 00:15:42,678 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 419 transitions. Word has length 101 [2024-11-24 00:15:42,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:15:42,679 INFO L471 AbstractCegarLoop]: Abstraction has 275 states and 419 transitions. [2024-11-24 00:15:42,679 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-24 00:15:42,679 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 419 transitions. [2024-11-24 00:15:42,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-24 00:15:42,681 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:15:42,682 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 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] [2024-11-24 00:15:42,691 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-24 00:15:42,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:15:42,882 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-24 00:15:42,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:15:42,883 INFO L85 PathProgramCache]: Analyzing trace with hash -459324522, now seen corresponding path program 1 times [2024-11-24 00:15:42,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:15:42,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059734662] [2024-11-24 00:15:42,883 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:15:42,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:15:42,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:15:43,042 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-24 00:15:43,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:15:43,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059734662] [2024-11-24 00:15:43,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059734662] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:15:43,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1144555146] [2024-11-24 00:15:43,043 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:15:43,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:15:43,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:15:43,045 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:15:43,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-24 00:15:43,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:15:43,235 INFO L256 TraceCheckSpWp]: Trace formula consists of 555 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 00:15:43,238 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:15:43,276 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-24 00:15:43,277 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:15:43,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1144555146] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:15:43,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:15:43,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-24 00:15:43,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735282489] [2024-11-24 00:15:43,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:15:43,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 00:15:43,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:15:43,280 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 00:15:43,280 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-24 00:15:43,280 INFO L87 Difference]: Start difference. First operand 275 states and 419 transitions. Second operand has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-24 00:15:43,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:15:43,337 INFO L93 Difference]: Finished difference Result 470 states and 720 transitions. [2024-11-24 00:15:43,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 00:15:43,338 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 102 [2024-11-24 00:15:43,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:15:43,340 INFO L225 Difference]: With dead ends: 470 [2024-11-24 00:15:43,341 INFO L226 Difference]: Without dead ends: 285 [2024-11-24 00:15:43,341 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-24 00:15:43,342 INFO L435 NwaCegarLoop]: 295 mSDtfsCounter, 11 mSDsluCounter, 562 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 857 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:15:43,342 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 857 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:15:43,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2024-11-24 00:15:43,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 285. [2024-11-24 00:15:43,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 220 states have (on average 1.5545454545454545) internal successors, (342), 229 states have internal predecessors, (342), 47 states have call successors, (47), 14 states have call predecessors, (47), 14 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-24 00:15:43,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 436 transitions. [2024-11-24 00:15:43,364 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 436 transitions. Word has length 102 [2024-11-24 00:15:43,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:15:43,365 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 436 transitions. [2024-11-24 00:15:43,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-24 00:15:43,365 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 436 transitions. [2024-11-24 00:15:43,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-24 00:15:43,368 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:15:43,368 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 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] [2024-11-24 00:15:43,379 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-24 00:15:43,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-24 00:15:43,574 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-24 00:15:43,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:15:43,574 INFO L85 PathProgramCache]: Analyzing trace with hash -863792497, now seen corresponding path program 1 times [2024-11-24 00:15:43,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:15:43,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314914495] [2024-11-24 00:15:43,574 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:15:43,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:15:43,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:15:43,738 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-24 00:15:43,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:15:43,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314914495] [2024-11-24 00:15:43,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314914495] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:15:43,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [680459100] [2024-11-24 00:15:43,739 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:15:43,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:15:43,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:15:43,741 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:15:43,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-24 00:15:43,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:15:43,943 INFO L256 TraceCheckSpWp]: Trace formula consists of 578 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 00:15:43,945 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:15:43,989 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-24 00:15:43,990 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:15:43,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [680459100] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:15:43,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:15:43,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-24 00:15:43,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037731749] [2024-11-24 00:15:43,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:15:43,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 00:15:43,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:15:43,991 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 00:15:43,991 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-24 00:15:43,992 INFO L87 Difference]: Start difference. First operand 285 states and 436 transitions. Second operand has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 00:15:44,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:15:44,052 INFO L93 Difference]: Finished difference Result 296 states and 455 transitions. [2024-11-24 00:15:44,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 00:15:44,052 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 109 [2024-11-24 00:15:44,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:15:44,055 INFO L225 Difference]: With dead ends: 296 [2024-11-24 00:15:44,055 INFO L226 Difference]: Without dead ends: 295 [2024-11-24 00:15:44,056 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-24 00:15:44,056 INFO L435 NwaCegarLoop]: 297 mSDtfsCounter, 10 mSDsluCounter, 560 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 857 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:15:44,057 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 857 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:15:44,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2024-11-24 00:15:44,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 286. [2024-11-24 00:15:44,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 221 states have (on average 1.5520361990950227) internal successors, (343), 230 states have internal predecessors, (343), 47 states have call successors, (47), 14 states have call predecessors, (47), 14 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-24 00:15:44,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 437 transitions. [2024-11-24 00:15:44,073 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 437 transitions. Word has length 109 [2024-11-24 00:15:44,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:15:44,074 INFO L471 AbstractCegarLoop]: Abstraction has 286 states and 437 transitions. [2024-11-24 00:15:44,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 00:15:44,074 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 437 transitions. [2024-11-24 00:15:44,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-24 00:15:44,076 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:15:44,076 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 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] [2024-11-24 00:15:44,087 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-24 00:15:44,280 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-24 00:15:44,281 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-24 00:15:44,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:15:44,281 INFO L85 PathProgramCache]: Analyzing trace with hash -1007763308, now seen corresponding path program 1 times [2024-11-24 00:15:44,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:15:44,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071674003] [2024-11-24 00:15:44,281 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:15:44,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:15:44,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:15:44,423 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-24 00:15:44,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:15:44,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071674003] [2024-11-24 00:15:44,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071674003] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:15:44,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1537362690] [2024-11-24 00:15:44,424 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:15:44,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:15:44,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:15:44,426 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:15:44,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-24 00:15:44,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:15:44,621 INFO L256 TraceCheckSpWp]: Trace formula consists of 579 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 00:15:44,624 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:15:44,660 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-24 00:15:44,660 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:15:44,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1537362690] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:15:44,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:15:44,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-24 00:15:44,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008323484] [2024-11-24 00:15:44,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:15:44,661 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 00:15:44,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:15:44,661 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 00:15:44,662 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-24 00:15:44,662 INFO L87 Difference]: Start difference. First operand 286 states and 437 transitions. Second operand has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 00:15:44,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:15:44,708 INFO L93 Difference]: Finished difference Result 288 states and 439 transitions. [2024-11-24 00:15:44,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 00:15:44,709 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 110 [2024-11-24 00:15:44,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:15:44,711 INFO L225 Difference]: With dead ends: 288 [2024-11-24 00:15:44,711 INFO L226 Difference]: Without dead ends: 287 [2024-11-24 00:15:44,712 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-24 00:15:44,712 INFO L435 NwaCegarLoop]: 285 mSDtfsCounter, 9 mSDsluCounter, 548 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 833 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:15:44,712 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 833 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:15:44,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2024-11-24 00:15:44,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 287. [2024-11-24 00:15:44,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 222 states have (on average 1.5495495495495495) internal successors, (344), 231 states have internal predecessors, (344), 47 states have call successors, (47), 14 states have call predecessors, (47), 14 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-24 00:15:44,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 438 transitions. [2024-11-24 00:15:44,728 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 438 transitions. Word has length 110 [2024-11-24 00:15:44,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:15:44,728 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 438 transitions. [2024-11-24 00:15:44,728 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 00:15:44,728 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 438 transitions. [2024-11-24 00:15:44,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-24 00:15:44,730 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:15:44,731 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 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] [2024-11-24 00:15:44,741 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-24 00:15:44,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-24 00:15:44,936 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-24 00:15:44,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:15:44,936 INFO L85 PathProgramCache]: Analyzing trace with hash 782706803, now seen corresponding path program 1 times [2024-11-24 00:15:44,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:15:44,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612629832] [2024-11-24 00:15:44,936 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:15:44,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:15:44,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:15:45,078 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-24 00:15:45,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:15:45,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612629832] [2024-11-24 00:15:45,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612629832] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:15:45,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [378668204] [2024-11-24 00:15:45,078 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:15:45,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:15:45,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:15:45,080 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:15:45,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-24 00:15:45,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:15:45,288 INFO L256 TraceCheckSpWp]: Trace formula consists of 585 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 00:15:45,290 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:15:45,345 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-24 00:15:45,345 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:15:45,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [378668204] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:15:45,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:15:45,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-11-24 00:15:45,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597490112] [2024-11-24 00:15:45,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:15:45,346 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:15:45,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:15:45,347 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:15:45,347 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-24 00:15:45,347 INFO L87 Difference]: Start difference. First operand 287 states and 438 transitions. Second operand has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 00:15:45,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:15:45,407 INFO L93 Difference]: Finished difference Result 292 states and 448 transitions. [2024-11-24 00:15:45,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:15:45,407 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 111 [2024-11-24 00:15:45,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:15:45,410 INFO L225 Difference]: With dead ends: 292 [2024-11-24 00:15:45,410 INFO L226 Difference]: Without dead ends: 291 [2024-11-24 00:15:45,410 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-24 00:15:45,411 INFO L435 NwaCegarLoop]: 272 mSDtfsCounter, 12 mSDsluCounter, 799 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 1071 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:15:45,411 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 1071 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:15:45,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2024-11-24 00:15:45,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 286. [2024-11-24 00:15:45,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 222 states have (on average 1.545045045045045) internal successors, (343), 230 states have internal predecessors, (343), 47 states have call successors, (47), 14 states have call predecessors, (47), 14 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-24 00:15:45,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 437 transitions. [2024-11-24 00:15:45,428 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 437 transitions. Word has length 111 [2024-11-24 00:15:45,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:15:45,428 INFO L471 AbstractCegarLoop]: Abstraction has 286 states and 437 transitions. [2024-11-24 00:15:45,428 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 00:15:45,429 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 437 transitions. [2024-11-24 00:15:45,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-24 00:15:45,431 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:15:45,431 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 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] [2024-11-24 00:15:45,441 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-24 00:15:45,631 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-24 00:15:45,632 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-24 00:15:45,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:15:45,632 INFO L85 PathProgramCache]: Analyzing trace with hash -1505892560, now seen corresponding path program 1 times [2024-11-24 00:15:45,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:15:45,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633939931] [2024-11-24 00:15:45,633 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:15:45,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:15:45,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:15:45,775 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-24 00:15:45,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:15:45,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633939931] [2024-11-24 00:15:45,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633939931] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:15:45,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [7884085] [2024-11-24 00:15:45,775 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:15:45,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:15:45,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:15:45,777 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:15:45,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-24 00:15:45,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:15:45,966 INFO L256 TraceCheckSpWp]: Trace formula consists of 586 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 00:15:45,969 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:15:46,032 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-24 00:15:46,033 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:15:46,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [7884085] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:15:46,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:15:46,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 10 [2024-11-24 00:15:46,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292358674] [2024-11-24 00:15:46,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:15:46,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 00:15:46,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:15:46,035 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 00:15:46,035 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-24 00:15:46,035 INFO L87 Difference]: Start difference. First operand 286 states and 437 transitions. Second operand has 6 states, 5 states have (on average 13.6) internal successors, (68), 6 states have internal predecessors, (68), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-24 00:15:46,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:15:46,105 INFO L93 Difference]: Finished difference Result 489 states and 751 transitions. [2024-11-24 00:15:46,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 00:15:46,106 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.6) internal successors, (68), 6 states have internal predecessors, (68), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 112 [2024-11-24 00:15:46,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:15:46,108 INFO L225 Difference]: With dead ends: 489 [2024-11-24 00:15:46,108 INFO L226 Difference]: Without dead ends: 293 [2024-11-24 00:15:46,109 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-24 00:15:46,112 INFO L435 NwaCegarLoop]: 274 mSDtfsCounter, 20 mSDsluCounter, 1078 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 1352 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:15:46,112 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 1352 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:15:46,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2024-11-24 00:15:46,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 289. [2024-11-24 00:15:46,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 225 states have (on average 1.551111111111111) internal successors, (349), 232 states have internal predecessors, (349), 48 states have call successors, (48), 14 states have call predecessors, (48), 14 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-24 00:15:46,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 445 transitions. [2024-11-24 00:15:46,129 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 445 transitions. Word has length 112 [2024-11-24 00:15:46,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:15:46,130 INFO L471 AbstractCegarLoop]: Abstraction has 289 states and 445 transitions. [2024-11-24 00:15:46,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.6) internal successors, (68), 6 states have internal predecessors, (68), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-24 00:15:46,130 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 445 transitions. [2024-11-24 00:15:46,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-24 00:15:46,132 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:15:46,132 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 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] [2024-11-24 00:15:46,142 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-24 00:15:46,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-24 00:15:46,333 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-24 00:15:46,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:15:46,334 INFO L85 PathProgramCache]: Analyzing trace with hash 1614922397, now seen corresponding path program 1 times [2024-11-24 00:15:46,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:15:46,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078123236] [2024-11-24 00:15:46,334 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:15:46,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:15:46,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:15:46,472 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-24 00:15:46,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:15:46,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078123236] [2024-11-24 00:15:46,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078123236] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:15:46,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2042449679] [2024-11-24 00:15:46,472 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:15:46,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:15:46,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:15:46,474 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:15:46,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-24 00:15:46,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:15:46,673 INFO L256 TraceCheckSpWp]: Trace formula consists of 602 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 00:15:46,675 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:15:46,720 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-24 00:15:46,720 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:15:46,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2042449679] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:15:46,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:15:46,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-24 00:15:46,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325112805] [2024-11-24 00:15:46,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:15:46,721 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 00:15:46,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:15:46,722 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 00:15:46,722 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-24 00:15:46,722 INFO L87 Difference]: Start difference. First operand 289 states and 445 transitions. Second operand has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 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) [2024-11-24 00:15:46,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:15:46,774 INFO L93 Difference]: Finished difference Result 298 states and 460 transitions. [2024-11-24 00:15:46,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 00:15:46,774 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 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 117 [2024-11-24 00:15:46,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:15:46,777 INFO L225 Difference]: With dead ends: 298 [2024-11-24 00:15:46,777 INFO L226 Difference]: Without dead ends: 297 [2024-11-24 00:15:46,777 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-24 00:15:46,780 INFO L435 NwaCegarLoop]: 290 mSDtfsCounter, 8 mSDsluCounter, 550 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 840 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:15:46,781 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 840 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:15:46,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2024-11-24 00:15:46,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 290. [2024-11-24 00:15:46,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 226 states have (on average 1.5486725663716814) internal successors, (350), 233 states have internal predecessors, (350), 48 states have call successors, (48), 14 states have call predecessors, (48), 14 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-24 00:15:46,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 446 transitions. [2024-11-24 00:15:46,798 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 446 transitions. Word has length 117 [2024-11-24 00:15:46,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:15:46,798 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 446 transitions. [2024-11-24 00:15:46,798 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 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) [2024-11-24 00:15:46,799 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 446 transitions. [2024-11-24 00:15:46,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-24 00:15:46,801 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:15:46,801 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 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] [2024-11-24 00:15:46,811 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-24 00:15:47,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-24 00:15:47,002 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-24 00:15:47,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:15:47,003 INFO L85 PathProgramCache]: Analyzing trace with hash -1477012910, now seen corresponding path program 1 times [2024-11-24 00:15:47,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:15:47,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439594361] [2024-11-24 00:15:47,003 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:15:47,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:15:47,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:15:47,150 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-24 00:15:47,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:15:47,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439594361] [2024-11-24 00:15:47,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439594361] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:15:47,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [726017364] [2024-11-24 00:15:47,151 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:15:47,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:15:47,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:15:47,153 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:15:47,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-24 00:15:47,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:15:47,342 INFO L256 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 00:15:47,345 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:15:47,385 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-24 00:15:47,385 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:15:47,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [726017364] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:15:47,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:15:47,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-24 00:15:47,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952736413] [2024-11-24 00:15:47,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:15:47,386 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 00:15:47,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:15:47,387 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 00:15:47,387 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-24 00:15:47,387 INFO L87 Difference]: Start difference. First operand 290 states and 446 transitions. Second operand has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 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) [2024-11-24 00:15:47,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:15:47,439 INFO L93 Difference]: Finished difference Result 293 states and 449 transitions. [2024-11-24 00:15:47,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 00:15:47,439 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 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 118 [2024-11-24 00:15:47,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:15:47,442 INFO L225 Difference]: With dead ends: 293 [2024-11-24 00:15:47,442 INFO L226 Difference]: Without dead ends: 292 [2024-11-24 00:15:47,443 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-24 00:15:47,443 INFO L435 NwaCegarLoop]: 295 mSDtfsCounter, 7 mSDsluCounter, 556 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 851 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:15:47,443 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 851 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:15:47,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2024-11-24 00:15:47,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 291. [2024-11-24 00:15:47,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 227 states have (on average 1.5462555066079295) internal successors, (351), 234 states have internal predecessors, (351), 48 states have call successors, (48), 14 states have call predecessors, (48), 14 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-24 00:15:47,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 447 transitions. [2024-11-24 00:15:47,459 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 447 transitions. Word has length 118 [2024-11-24 00:15:47,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:15:47,459 INFO L471 AbstractCegarLoop]: Abstraction has 291 states and 447 transitions. [2024-11-24 00:15:47,460 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 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) [2024-11-24 00:15:47,460 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 447 transitions. [2024-11-24 00:15:47,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-24 00:15:47,462 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:15:47,462 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 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] [2024-11-24 00:15:47,472 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-24 00:15:47,662 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-24 00:15:47,663 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-24 00:15:47,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:15:47,664 INFO L85 PathProgramCache]: Analyzing trace with hash -789367679, now seen corresponding path program 1 times [2024-11-24 00:15:47,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:15:47,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295908712] [2024-11-24 00:15:47,664 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:15:47,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:15:47,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:15:47,789 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-24 00:15:47,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:15:47,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295908712] [2024-11-24 00:15:47,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295908712] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:15:47,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1820379737] [2024-11-24 00:15:47,790 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:15:47,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:15:47,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:15:47,792 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:15:47,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-24 00:15:47,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:15:47,991 INFO L256 TraceCheckSpWp]: Trace formula consists of 609 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 00:15:47,994 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:15:48,048 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-24 00:15:48,048 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:15:48,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1820379737] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:15:48,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:15:48,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-11-24 00:15:48,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689917811] [2024-11-24 00:15:48,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:15:48,049 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:15:48,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:15:48,050 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:15:48,050 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-24 00:15:48,050 INFO L87 Difference]: Start difference. First operand 291 states and 447 transitions. Second operand has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 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) [2024-11-24 00:15:48,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:15:48,122 INFO L93 Difference]: Finished difference Result 299 states and 461 transitions. [2024-11-24 00:15:48,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:15:48,123 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 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 119 [2024-11-24 00:15:48,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:15:48,129 INFO L225 Difference]: With dead ends: 299 [2024-11-24 00:15:48,129 INFO L226 Difference]: Without dead ends: 298 [2024-11-24 00:15:48,129 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-24 00:15:48,130 INFO L435 NwaCegarLoop]: 274 mSDtfsCounter, 10 mSDsluCounter, 804 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 1078 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:15:48,130 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 1078 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:15:48,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2024-11-24 00:15:48,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 292. [2024-11-24 00:15:48,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 228 states have (on average 1.543859649122807) internal successors, (352), 235 states have internal predecessors, (352), 48 states have call successors, (48), 14 states have call predecessors, (48), 14 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-24 00:15:48,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 448 transitions. [2024-11-24 00:15:48,147 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 448 transitions. Word has length 119 [2024-11-24 00:15:48,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:15:48,148 INFO L471 AbstractCegarLoop]: Abstraction has 292 states and 448 transitions. [2024-11-24 00:15:48,148 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 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) [2024-11-24 00:15:48,148 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 448 transitions. [2024-11-24 00:15:48,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-24 00:15:48,150 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:15:48,151 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 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] [2024-11-24 00:15:48,163 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-24 00:15:48,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-24 00:15:48,352 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-24 00:15:48,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:15:48,352 INFO L85 PathProgramCache]: Analyzing trace with hash 879451777, now seen corresponding path program 1 times [2024-11-24 00:15:48,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:15:48,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128011786] [2024-11-24 00:15:48,352 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:15:48,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:15:48,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:15:48,480 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-24 00:15:48,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:15:48,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128011786] [2024-11-24 00:15:48,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128011786] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:15:48,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [115376887] [2024-11-24 00:15:48,480 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:15:48,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:15:48,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:15:48,484 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:15:48,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-24 00:15:48,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:15:48,681 INFO L256 TraceCheckSpWp]: Trace formula consists of 609 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 00:15:48,684 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:15:48,748 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-24 00:15:48,748 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:15:48,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [115376887] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:15:48,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:15:48,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-11-24 00:15:48,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930320240] [2024-11-24 00:15:48,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:15:48,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:15:48,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:15:48,750 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:15:48,750 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-24 00:15:48,750 INFO L87 Difference]: Start difference. First operand 292 states and 448 transitions. Second operand has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 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) [2024-11-24 00:15:48,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:15:48,808 INFO L93 Difference]: Finished difference Result 300 states and 462 transitions. [2024-11-24 00:15:48,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:15:48,809 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 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 119 [2024-11-24 00:15:48,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:15:48,812 INFO L225 Difference]: With dead ends: 300 [2024-11-24 00:15:48,812 INFO L226 Difference]: Without dead ends: 299 [2024-11-24 00:15:48,812 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-24 00:15:48,813 INFO L435 NwaCegarLoop]: 270 mSDtfsCounter, 12 mSDsluCounter, 799 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 1069 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:15:48,813 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 1069 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:15:48,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2024-11-24 00:15:48,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 290. [2024-11-24 00:15:48,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 227 states have (on average 1.5418502202643172) internal successors, (350), 233 states have internal predecessors, (350), 48 states have call successors, (48), 14 states have call predecessors, (48), 14 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-24 00:15:48,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 446 transitions. [2024-11-24 00:15:48,830 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 446 transitions. Word has length 119 [2024-11-24 00:15:48,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:15:48,830 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 446 transitions. [2024-11-24 00:15:48,830 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 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) [2024-11-24 00:15:48,830 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 446 transitions. [2024-11-24 00:15:48,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-24 00:15:48,833 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:15:48,833 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 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, 1] [2024-11-24 00:15:48,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-24 00:15:49,033 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:15:49,034 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)] === [2024-11-24 00:15:49,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:15:49,034 INFO L85 PathProgramCache]: Analyzing trace with hash 1299406062, now seen corresponding path program 1 times [2024-11-24 00:15:49,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:15:49,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17620798] [2024-11-24 00:15:49,034 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:15:49,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:15:49,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:15:49,156 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-24 00:15:49,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:15:49,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17620798] [2024-11-24 00:15:49,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17620798] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:15:49,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2111752188] [2024-11-24 00:15:49,157 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:15:49,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:15:49,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:15:49,159 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:15:49,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-24 00:15:49,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:15:49,355 INFO L256 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 00:15:49,358 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:15:49,420 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-24 00:15:49,420 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:15:49,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2111752188] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:15:49,421 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:15:49,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 10 [2024-11-24 00:15:49,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792158821] [2024-11-24 00:15:49,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:15:49,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 00:15:49,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:15:49,422 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 00:15:49,422 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-24 00:15:49,422 INFO L87 Difference]: Start difference. First operand 290 states and 446 transitions. Second operand has 6 states, 5 states have (on average 14.0) internal successors, (70), 6 states have internal predecessors, (70), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-24 00:15:49,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:15:49,484 INFO L93 Difference]: Finished difference Result 295 states and 452 transitions. [2024-11-24 00:15:49,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 00:15:49,484 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.0) internal successors, (70), 6 states have internal predecessors, (70), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 120 [2024-11-24 00:15:49,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:15:49,487 INFO L225 Difference]: With dead ends: 295 [2024-11-24 00:15:49,487 INFO L226 Difference]: Without dead ends: 294 [2024-11-24 00:15:49,487 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-24 00:15:49,488 INFO L435 NwaCegarLoop]: 281 mSDtfsCounter, 19 mSDsluCounter, 828 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 1109 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:15:49,488 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 1109 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:15:49,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2024-11-24 00:15:49,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 290. [2024-11-24 00:15:49,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 227 states have (on average 1.5418502202643172) internal successors, (350), 233 states have internal predecessors, (350), 48 states have call successors, (48), 14 states have call predecessors, (48), 14 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-24 00:15:49,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 446 transitions. [2024-11-24 00:15:49,504 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 446 transitions. Word has length 120 [2024-11-24 00:15:49,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:15:49,504 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 446 transitions. [2024-11-24 00:15:49,504 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.0) internal successors, (70), 6 states have internal predecessors, (70), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-24 00:15:49,504 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 446 transitions. [2024-11-24 00:15:49,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-24 00:15:49,507 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:15:49,507 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 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, 1] [2024-11-24 00:15:49,517 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-24 00:15:49,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable19 [2024-11-24 00:15:49,708 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)] === [2024-11-24 00:15:49,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:15:49,708 INFO L85 PathProgramCache]: Analyzing trace with hash 1493201646, now seen corresponding path program 1 times [2024-11-24 00:15:49,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:15:49,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788356001] [2024-11-24 00:15:49,709 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:15:49,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:15:49,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:15:49,828 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-24 00:15:49,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:15:49,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788356001] [2024-11-24 00:15:49,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788356001] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:15:49,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1456282274] [2024-11-24 00:15:49,829 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:15:49,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:15:49,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:15:49,831 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:15:49,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-24 00:15:50,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:15:50,035 INFO L256 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 00:15:50,041 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:15:50,112 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-24 00:15:50,112 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:15:50,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1456282274] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:15:50,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:15:50,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 10 [2024-11-24 00:15:50,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411889313] [2024-11-24 00:15:50,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:15:50,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 00:15:50,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:15:50,113 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 00:15:50,113 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-24 00:15:50,114 INFO L87 Difference]: Start difference. First operand 290 states and 446 transitions. Second operand has 6 states, 5 states have (on average 14.0) internal successors, (70), 6 states have internal predecessors, (70), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-24 00:15:50,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:15:50,199 INFO L93 Difference]: Finished difference Result 505 states and 777 transitions. [2024-11-24 00:15:50,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 00:15:50,200 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.0) internal successors, (70), 6 states have internal predecessors, (70), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 120 [2024-11-24 00:15:50,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:15:50,203 INFO L225 Difference]: With dead ends: 505 [2024-11-24 00:15:50,203 INFO L226 Difference]: Without dead ends: 305 [2024-11-24 00:15:50,204 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-24 00:15:50,205 INFO L435 NwaCegarLoop]: 303 mSDtfsCounter, 16 mSDsluCounter, 1137 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 1440 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:15:50,206 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 1440 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:15:50,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2024-11-24 00:15:50,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 292. [2024-11-24 00:15:50,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 229 states have (on average 1.537117903930131) internal successors, (352), 235 states have internal predecessors, (352), 48 states have call successors, (48), 14 states have call predecessors, (48), 14 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-24 00:15:50,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 448 transitions. [2024-11-24 00:15:50,225 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 448 transitions. Word has length 120 [2024-11-24 00:15:50,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:15:50,225 INFO L471 AbstractCegarLoop]: Abstraction has 292 states and 448 transitions. [2024-11-24 00:15:50,226 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.0) internal successors, (70), 6 states have internal predecessors, (70), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-24 00:15:50,226 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 448 transitions. [2024-11-24 00:15:50,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-24 00:15:50,228 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:15:50,228 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1] [2024-11-24 00:15:50,238 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-24 00:15:50,432 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-11-24 00:15:50,433 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)] === [2024-11-24 00:15:50,433 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:15:50,433 INFO L85 PathProgramCache]: Analyzing trace with hash -1837824374, now seen corresponding path program 1 times [2024-11-24 00:15:50,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:15:50,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624524314] [2024-11-24 00:15:50,434 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:15:50,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:15:50,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:15:50,574 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-24 00:15:50,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:15:50,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624524314] [2024-11-24 00:15:50,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624524314] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:15:50,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [406050942] [2024-11-24 00:15:50,575 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:15:50,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:15:50,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:15:50,578 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:15:50,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-24 00:15:50,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:15:50,784 INFO L256 TraceCheckSpWp]: Trace formula consists of 617 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-24 00:15:50,787 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:15:50,879 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-24 00:15:50,879 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:15:50,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [406050942] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:15:50,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:15:50,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 12 [2024-11-24 00:15:50,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273775604] [2024-11-24 00:15:50,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:15:50,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-24 00:15:50,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:15:50,880 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-24 00:15:50,880 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-24 00:15:50,880 INFO L87 Difference]: Start difference. First operand 292 states and 448 transitions. Second operand has 8 states, 7 states have (on average 10.285714285714286) internal successors, (72), 8 states have internal predecessors, (72), 4 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2024-11-24 00:15:50,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:15:50,974 INFO L93 Difference]: Finished difference Result 306 states and 473 transitions. [2024-11-24 00:15:50,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-24 00:15:50,975 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.285714285714286) internal successors, (72), 8 states have internal predecessors, (72), 4 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) Word has length 122 [2024-11-24 00:15:50,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:15:50,975 INFO L225 Difference]: With dead ends: 306 [2024-11-24 00:15:50,975 INFO L226 Difference]: Without dead ends: 0 [2024-11-24 00:15:50,976 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-24 00:15:50,978 INFO L435 NwaCegarLoop]: 290 mSDtfsCounter, 30 mSDsluCounter, 1139 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 1429 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:15:50,978 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 1429 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:15:50,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-24 00:15:50,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-24 00:15:50,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:15:50,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-24 00:15:50,980 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 122 [2024-11-24 00:15:50,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:15:50,980 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-24 00:15:50,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.285714285714286) internal successors, (72), 8 states have internal predecessors, (72), 4 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2024-11-24 00:15:50,980 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-24 00:15:50,980 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-24 00:15:50,983 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2024-11-24 00:15:50,983 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2024-11-24 00:15:50,983 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2024-11-24 00:15:50,983 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2024-11-24 00:15:50,984 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2024-11-24 00:15:50,984 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2024-11-24 00:15:50,984 INFO L782 garLoopResultBuilder]: Registering result SAFE for location add_history_typeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2024-11-24 00:15:50,984 INFO L782 garLoopResultBuilder]: Registering result SAFE for location add_history_typeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2024-11-24 00:15:50,993 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-24 00:15:51,184 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:15:51,188 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:15:51,190 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-24 00:15:51,547 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 00:15:51,568 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 12:15:51 BoogieIcfgContainer [2024-11-24 00:15:51,568 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 00:15:51,569 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 00:15:51,569 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 00:15:51,569 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 00:15:51,571 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:15:35" (3/4) ... [2024-11-24 00:15:51,573 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-24 00:15:51,578 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_history_int8 [2024-11-24 00:15:51,578 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_history_bool [2024-11-24 00:15:51,579 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assert [2024-11-24 00:15:51,579 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure add_history_type [2024-11-24 00:15:51,579 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-24 00:15:51,579 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure write_history_bool [2024-11-24 00:15:51,593 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2024-11-24 00:15:51,595 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-24 00:15:51,596 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-24 00:15:51,597 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-24 00:15:51,629 WARN L216 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0 < (var + 2147483649)) && ((\old(history_id) != 0) || (history_id == 0))) [2024-11-24 00:15:51,706 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0 < (var + 2147483649)) && ((\old(history_id) != 0) || (history_id == 0))) [2024-11-24 00:15:51,750 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-24 00:15:51,751 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-24 00:15:51,751 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 00:15:51,753 INFO L158 Benchmark]: Toolchain (without parser) took 17605.53ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 93.3MB in the beginning and 211.9MB in the end (delta: -118.6MB). Peak memory consumption was 112.1MB. Max. memory is 16.1GB. [2024-11-24 00:15:51,753 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 167.8MB. Free memory is still 103.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:15:51,753 INFO L158 Benchmark]: CACSL2BoogieTranslator took 360.37ms. Allocated memory is still 117.4MB. Free memory was 93.3MB in the beginning and 76.9MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 00:15:51,753 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.52ms. Allocated memory is still 117.4MB. Free memory was 76.9MB in the beginning and 73.9MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:15:51,755 INFO L158 Benchmark]: Boogie Preprocessor took 70.16ms. Allocated memory is still 117.4MB. Free memory was 73.9MB in the beginning and 70.4MB in the end (delta: 3.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:15:51,755 INFO L158 Benchmark]: RCFGBuilder took 1010.85ms. Allocated memory is still 117.4MB. Free memory was 70.4MB in the beginning and 85.5MB in the end (delta: -15.1MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. [2024-11-24 00:15:51,758 INFO L158 Benchmark]: TraceAbstraction took 15927.35ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 84.9MB in the beginning and 220.1MB in the end (delta: -135.1MB). Peak memory consumption was 98.3MB. Max. memory is 16.1GB. [2024-11-24 00:15:51,758 INFO L158 Benchmark]: Witness Printer took 181.84ms. Allocated memory is still 352.3MB. Free memory was 220.1MB in the beginning and 211.9MB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:15:51,759 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 167.8MB. Free memory is still 103.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 360.37ms. Allocated memory is still 117.4MB. Free memory was 93.3MB in the beginning and 76.9MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.52ms. Allocated memory is still 117.4MB. Free memory was 76.9MB in the beginning and 73.9MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 70.16ms. Allocated memory is still 117.4MB. Free memory was 73.9MB in the beginning and 70.4MB in the end (delta: 3.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1010.85ms. Allocated memory is still 117.4MB. Free memory was 70.4MB in the beginning and 85.5MB in the end (delta: -15.1MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. * TraceAbstraction took 15927.35ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 84.9MB in the beginning and 220.1MB in the end (delta: -135.1MB). Peak memory consumption was 98.3MB. Max. memory is 16.1GB. * Witness Printer took 181.84ms. Allocated memory is still 352.3MB. Free memory was 220.1MB in the beginning and 211.9MB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 273]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 273]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 277]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 277]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 281]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 281]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 99]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 99]: 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, 193 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 15.5s, OverallIterations: 22, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 401 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 366 mSDsluCounter, 21310 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 15080 mSDsCounter, 57 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 990 IncrementalHoareTripleChecker+Invalid, 1047 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 57 mSolverCounterUnsat, 6230 mSDtfsCounter, 990 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2103 GetRequests, 1963 SyntacticMatches, 0 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=292occurred in iteration=18, InterpolantAutomatonStates: 107, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 22 MinimizatonAttempts, 118 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.7s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 4.4s InterpolantComputationTime, 4033 NumberOfCodeBlocks, 4033 NumberOfCodeBlocksAsserted, 41 NumberOfCheckSat, 3992 ConstructedInterpolants, 0 QuantifiedInterpolants, 4612 SizeOfPredicates, 0 NumberOfNonLiveVariables, 10641 ConjunctsInSsa, 71 ConjunctsInUnsatCore, 41 InterpolantComputations, 22 PerfectInterpolantSequences, 1814/1875 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: 74]: Loop Invariant Derived loop invariant: ((0 < (var + 2147483649)) && ((\old(history_id) != 0) || (history_id == 0))) RESULT: Ultimate proved your program to be correct! [2024-11-24 00:15:51,784 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a214b92-e6d2-4998-b383-be700147e532/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE