./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_Triplicated.ufo.UNBOUNDED.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_Triplicated.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd --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 6ff1cedc7411bab7c4dff496b498f1be2a7af9e572a1448d390780005c75fec3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:11:52,387 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:11:52,530 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-13 15:11:52,537 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:11:52,537 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:11:52,574 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:11:52,575 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:11:52,575 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:11:52,575 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 15:11:52,576 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 15:11:52,576 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:11:52,576 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:11:52,577 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:11:52,577 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:11:52,577 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:11:52,577 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:11:52,578 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:11:52,578 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 15:11:52,578 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 15:11:52,578 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 15:11:52,578 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:11:52,579 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:11:52,579 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:11:52,579 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:11:52,579 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:11:52,579 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 15:11:52,580 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 15:11:52,580 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 15:11:52,580 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:11:52,580 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:11:52,580 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:11:52,581 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:11:52,581 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 15:11:52,581 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:11:52,581 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:11:52,581 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:11:52,581 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:11:52,581 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:11:52,582 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 15:11:52,582 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 15:11:52,582 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:11:52,582 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:11:52,582 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:11:52,582 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:11:52,583 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_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd 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 -> 6ff1cedc7411bab7c4dff496b498f1be2a7af9e572a1448d390780005c75fec3 [2024-11-13 15:11:52,995 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:11:53,014 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:11:53,020 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:11:53,022 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:11:53,023 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:11:53,025 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_Triplicated.ufo.UNBOUNDED.pals.c Unable to find full path for "g++" [2024-11-13 15:11:55,501 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:11:56,151 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:11:56,152 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_Triplicated.ufo.UNBOUNDED.pals.c [2024-11-13 15:11:56,169 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/data/5dc3796ad/94f1258f213a4fc1822a73ea70c98774/FLAG1b3b7b1c4 [2024-11-13 15:11:56,191 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/data/5dc3796ad/94f1258f213a4fc1822a73ea70c98774 [2024-11-13 15:11:56,195 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:11:56,197 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:11:56,199 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:11:56,199 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:11:56,207 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:11:56,208 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:11:56" (1/1) ... [2024-11-13 15:11:56,209 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a4e0bf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:11:56, skipping insertion in model container [2024-11-13 15:11:56,209 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:11:56" (1/1) ... [2024-11-13 15:11:56,258 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:11:56,608 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:11:56,624 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:11:56,714 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:11:56,738 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:11:56,739 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:11:56 WrapperNode [2024-11-13 15:11:56,739 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:11:56,740 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:11:56,740 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:11:56,741 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:11:56,750 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:11:56" (1/1) ... [2024-11-13 15:11:56,769 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:11:56" (1/1) ... [2024-11-13 15:11:56,863 INFO L138 Inliner]: procedures = 28, calls = 52, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 432 [2024-11-13 15:11:56,863 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:11:56,864 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:11:56,864 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:11:56,864 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:11:56,884 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:11:56" (1/1) ... [2024-11-13 15:11:56,884 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:11:56" (1/1) ... [2024-11-13 15:11:56,889 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:11:56" (1/1) ... [2024-11-13 15:11:56,912 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]. [2024-11-13 15:11:56,912 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:11:56" (1/1) ... [2024-11-13 15:11:56,912 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:11:56" (1/1) ... [2024-11-13 15:11:56,930 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:11:56" (1/1) ... [2024-11-13 15:11:56,939 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:11:56" (1/1) ... [2024-11-13 15:11:56,941 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:11:56" (1/1) ... [2024-11-13 15:11:56,944 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:11:56" (1/1) ... [2024-11-13 15:11:56,950 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:11:56,951 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:11:56,951 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:11:56,951 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:11:56,953 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:11:56" (1/1) ... [2024-11-13 15:11:56,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:11:56,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:11:57,026 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 15:11:57,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 15:11:57,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:11:57,075 INFO L130 BoogieDeclarations]: Found specification of procedure write_history_bool [2024-11-13 15:11:57,077 INFO L138 BoogieDeclarations]: Found implementation of procedure write_history_bool [2024-11-13 15:11:57,077 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2024-11-13 15:11:57,077 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2024-11-13 15:11:57,077 INFO L130 BoogieDeclarations]: Found specification of procedure read_history_int8 [2024-11-13 15:11:57,077 INFO L138 BoogieDeclarations]: Found implementation of procedure read_history_int8 [2024-11-13 15:11:57,077 INFO L130 BoogieDeclarations]: Found specification of procedure read_history_bool [2024-11-13 15:11:57,077 INFO L138 BoogieDeclarations]: Found implementation of procedure read_history_bool [2024-11-13 15:11:57,077 INFO L130 BoogieDeclarations]: Found specification of procedure add_history_type [2024-11-13 15:11:57,077 INFO L138 BoogieDeclarations]: Found implementation of procedure add_history_type [2024-11-13 15:11:57,078 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 15:11:57,078 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 15:11:57,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 15:11:57,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:11:57,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:11:57,280 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:11:57,285 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:11:58,312 INFO L? ?]: Removed 114 outVars from TransFormulas that were not future-live. [2024-11-13 15:11:58,313 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:11:58,339 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:11:58,339 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 15:11:58,340 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:11:58 BoogieIcfgContainer [2024-11-13 15:11:58,340 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:11:58,344 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 15:11:58,345 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 15:11:58,352 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 15:11:58,352 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:11:56" (1/3) ... [2024-11-13 15:11:58,353 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f26304e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:11:58, skipping insertion in model container [2024-11-13 15:11:58,354 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:11:56" (2/3) ... [2024-11-13 15:11:58,354 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f26304e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:11:58, skipping insertion in model container [2024-11-13 15:11:58,354 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:11:58" (3/3) ... [2024-11-13 15:11:58,356 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_STARTPALS_Triplicated.ufo.UNBOUNDED.pals.c [2024-11-13 15:11:58,378 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 15:11:58,382 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG pals_STARTPALS_Triplicated.ufo.UNBOUNDED.pals.c that has 7 procedures, 195 locations, 1 initial locations, 2 loop locations, and 8 error locations. [2024-11-13 15:11:58,471 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:11:58,492 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;@1ea874f5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:11:58,492 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-13 15:11:58,501 INFO L276 IsEmpty]: Start isEmpty. Operand has 195 states, 143 states have (on average 1.6013986013986015) internal successors, (229), 155 states have internal predecessors, (229), 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) [2024-11-13 15:11:58,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 15:11:58,514 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:11:58,514 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:11:58,515 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)] === [2024-11-13 15:11:58,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:11:58,524 INFO L85 PathProgramCache]: Analyzing trace with hash 500826961, now seen corresponding path program 1 times [2024-11-13 15:11:58,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:11:58,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585504054] [2024-11-13 15:11:58,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:11:58,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:11:58,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:11:59,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:11:59,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:11:59,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585504054] [2024-11-13 15:11:59,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585504054] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:11:59,145 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:11:59,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 15:11:59,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145608754] [2024-11-13 15:11:59,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:11:59,160 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:11:59,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:11:59,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:11:59,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:11:59,194 INFO L87 Difference]: Start difference. First operand has 195 states, 143 states have (on average 1.6013986013986015) internal successors, (229), 155 states have internal predecessors, (229), 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) [2024-11-13 15:11:59,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:11:59,415 INFO L93 Difference]: Finished difference Result 406 states and 669 transitions. [2024-11-13 15:11:59,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 15:11:59,418 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 [2024-11-13 15:11:59,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:11:59,441 INFO L225 Difference]: With dead ends: 406 [2024-11-13 15:11:59,441 INFO L226 Difference]: Without dead ends: 213 [2024-11-13 15:11:59,456 INFO L431 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 [2024-11-13 15:11:59,462 INFO L432 NwaCegarLoop]: 293 mSDtfsCounter, 37 mSDsluCounter, 581 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 874 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 [2024-11-13 15:11:59,463 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 874 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:11:59,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2024-11-13 15:11:59,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 206. [2024-11-13 15:11:59,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 153 states have (on average 1.5751633986928104) internal successors, (241), 164 states have internal predecessors, (241), 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) [2024-11-13 15:11:59,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 317 transitions. [2024-11-13 15:11:59,564 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 317 transitions. Word has length 11 [2024-11-13 15:11:59,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:11:59,564 INFO L471 AbstractCegarLoop]: Abstraction has 206 states and 317 transitions. [2024-11-13 15:11:59,566 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) [2024-11-13 15:11:59,566 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 317 transitions. [2024-11-13 15:11:59,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 15:11:59,569 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:11:59,569 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:11:59,570 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 15:11:59,571 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)] === [2024-11-13 15:11:59,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:11:59,572 INFO L85 PathProgramCache]: Analyzing trace with hash -1808021207, now seen corresponding path program 1 times [2024-11-13 15:11:59,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:11:59,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619973422] [2024-11-13 15:11:59,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:11:59,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:11:59,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:11:59,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:11:59,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:11:59,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:11:59,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:11:59,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619973422] [2024-11-13 15:11:59,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619973422] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:11:59,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:11:59,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:11:59,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423918030] [2024-11-13 15:11:59,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:11:59,866 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:11:59,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:11:59,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:11:59,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:11:59,872 INFO L87 Difference]: Start difference. First operand 206 states and 317 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) [2024-11-13 15:11:59,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:11:59,993 INFO L93 Difference]: Finished difference Result 435 states and 679 transitions. [2024-11-13 15:11:59,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:11:59,994 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 [2024-11-13 15:11:59,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:11:59,998 INFO L225 Difference]: With dead ends: 435 [2024-11-13 15:11:59,999 INFO L226 Difference]: Without dead ends: 241 [2024-11-13 15:12:00,000 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:12:00,002 INFO L432 NwaCegarLoop]: 290 mSDtfsCounter, 19 mSDsluCounter, 576 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 866 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 [2024-11-13 15:12:00,002 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 866 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:12:00,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2024-11-13 15:12:00,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 237. [2024-11-13 15:12:00,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237 states, 179 states have (on average 1.541899441340782) internal successors, (276), 190 states have internal predecessors, (276), 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) [2024-11-13 15:12:00,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 362 transitions. [2024-11-13 15:12:00,036 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 362 transitions. Word has length 16 [2024-11-13 15:12:00,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:12:00,037 INFO L471 AbstractCegarLoop]: Abstraction has 237 states and 362 transitions. [2024-11-13 15:12:00,037 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) [2024-11-13 15:12:00,037 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 362 transitions. [2024-11-13 15:12:00,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-13 15:12:00,039 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:12:00,040 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:12:00,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 15:12:00,040 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)] === [2024-11-13 15:12:00,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:12:00,041 INFO L85 PathProgramCache]: Analyzing trace with hash 588548715, now seen corresponding path program 1 times [2024-11-13 15:12:00,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:12:00,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130521705] [2024-11-13 15:12:00,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:12:00,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:12:00,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:00,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:12:00,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:00,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-13 15:12:00,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:00,473 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 15:12:00,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:12:00,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130521705] [2024-11-13 15:12:00,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130521705] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:12:00,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1128883518] [2024-11-13 15:12:00,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:12:00,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:12:00,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:12:00,484 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:12:00,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 15:12:00,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:00,696 INFO L255 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 15:12:00,705 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:12:00,844 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 15:12:00,845 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:12:00,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1128883518] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:12:00,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 15:12:00,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-13 15:12:00,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781263881] [2024-11-13 15:12:00,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:12:00,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:12:00,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:12:00,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:12:00,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:12:00,852 INFO L87 Difference]: Start difference. First operand 237 states and 362 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) [2024-11-13 15:12:00,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:12:00,917 INFO L93 Difference]: Finished difference Result 241 states and 368 transitions. [2024-11-13 15:12:00,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:12:00,918 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 [2024-11-13 15:12:00,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:12:00,921 INFO L225 Difference]: With dead ends: 241 [2024-11-13 15:12:00,922 INFO L226 Difference]: Without dead ends: 240 [2024-11-13 15:12:00,922 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:12:00,923 INFO L432 NwaCegarLoop]: 287 mSDtfsCounter, 19 mSDsluCounter, 549 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 836 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:12:00,924 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 836 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:12:00,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2024-11-13 15:12:00,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 236. [2024-11-13 15:12:00,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 179 states have (on average 1.5251396648044693) internal successors, (273), 189 states have internal predecessors, (273), 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) [2024-11-13 15:12:00,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 359 transitions. [2024-11-13 15:12:00,956 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 359 transitions. Word has length 29 [2024-11-13 15:12:00,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:12:00,956 INFO L471 AbstractCegarLoop]: Abstraction has 236 states and 359 transitions. [2024-11-13 15:12:00,956 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) [2024-11-13 15:12:00,957 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 359 transitions. [2024-11-13 15:12:00,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 15:12:00,959 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:12:00,959 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-13 15:12:00,987 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-13 15:12:01,163 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:12:01,164 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)] === [2024-11-13 15:12:01,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:12:01,165 INFO L85 PathProgramCache]: Analyzing trace with hash 1065141507, now seen corresponding path program 1 times [2024-11-13 15:12:01,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:12:01,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423270484] [2024-11-13 15:12:01,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:12:01,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:12:01,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:01,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:12:01,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:01,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-13 15:12:01,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:01,339 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 15:12:01,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:12:01,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423270484] [2024-11-13 15:12:01,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423270484] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:12:01,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:12:01,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:12:01,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375813609] [2024-11-13 15:12:01,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:12:01,344 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:12:01,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:12:01,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:12:01,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:12:01,345 INFO L87 Difference]: Start difference. First operand 236 states and 359 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) [2024-11-13 15:12:01,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:12:01,412 INFO L93 Difference]: Finished difference Result 240 states and 365 transitions. [2024-11-13 15:12:01,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:12:01,416 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 [2024-11-13 15:12:01,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:12:01,419 INFO L225 Difference]: With dead ends: 240 [2024-11-13 15:12:01,419 INFO L226 Difference]: Without dead ends: 239 [2024-11-13 15:12:01,420 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:12:01,421 INFO L432 NwaCegarLoop]: 288 mSDtfsCounter, 18 mSDsluCounter, 550 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 838 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 [2024-11-13 15:12:01,421 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 838 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:12:01,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2024-11-13 15:12:01,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 206. [2024-11-13 15:12:01,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 155 states have (on average 1.5290322580645161) internal successors, (237), 164 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) [2024-11-13 15:12:01,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 313 transitions. [2024-11-13 15:12:01,447 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 313 transitions. Word has length 30 [2024-11-13 15:12:01,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:12:01,447 INFO L471 AbstractCegarLoop]: Abstraction has 206 states and 313 transitions. [2024-11-13 15:12:01,448 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) [2024-11-13 15:12:01,448 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 313 transitions. [2024-11-13 15:12:01,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-13 15:12:01,453 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:12:01,453 INFO L215 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] [2024-11-13 15:12:01,454 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 15:12:01,454 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)] === [2024-11-13 15:12:01,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:12:01,455 INFO L85 PathProgramCache]: Analyzing trace with hash 553107512, now seen corresponding path program 1 times [2024-11-13 15:12:01,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:12:01,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948076259] [2024-11-13 15:12:01,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:12:01,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:12:01,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:01,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:12:01,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:01,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-13 15:12:01,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:01,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-13 15:12:01,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:01,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-13 15:12:01,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:01,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-13 15:12:02,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:02,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 15:12:02,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:02,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-13 15:12:02,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:02,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 15:12:02,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:02,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-13 15:12:02,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:02,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-13 15:12:02,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:02,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 15:12:02,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:02,076 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-13 15:12:02,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:12:02,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948076259] [2024-11-13 15:12:02,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948076259] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:12:02,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [104015597] [2024-11-13 15:12:02,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:12:02,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:12:02,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:12:02,085 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:12:02,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 15:12:02,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:02,426 INFO L255 TraceCheckSpWp]: Trace formula consists of 545 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 15:12:02,435 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:12:02,511 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-13 15:12:02,512 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:12:02,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [104015597] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:12:02,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 15:12:02,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2024-11-13 15:12:02,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601771720] [2024-11-13 15:12:02,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:12:02,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:12:02,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:12:02,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:12:02,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:12:02,520 INFO L87 Difference]: Start difference. First operand 206 states and 313 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) [2024-11-13 15:12:02,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:12:02,669 INFO L93 Difference]: Finished difference Result 359 states and 554 transitions. [2024-11-13 15:12:02,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 15:12:02,670 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 [2024-11-13 15:12:02,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:12:02,675 INFO L225 Difference]: With dead ends: 359 [2024-11-13 15:12:02,676 INFO L226 Difference]: Without dead ends: 213 [2024-11-13 15:12:02,677 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-13 15:12:02,678 INFO L432 NwaCegarLoop]: 284 mSDtfsCounter, 10 mSDsluCounter, 560 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 844 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 [2024-11-13 15:12:02,678 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 844 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:12:02,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2024-11-13 15:12:02,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 213. [2024-11-13 15:12:02,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 160 states have (on average 1.53125) internal successors, (245), 170 states have internal predecessors, (245), 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) [2024-11-13 15:12:02,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 323 transitions. [2024-11-13 15:12:02,731 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 323 transitions. Word has length 92 [2024-11-13 15:12:02,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:12:02,732 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 323 transitions. [2024-11-13 15:12:02,738 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) [2024-11-13 15:12:02,738 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 323 transitions. [2024-11-13 15:12:02,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-13 15:12:02,747 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:12:02,747 INFO L215 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] [2024-11-13 15:12:02,774 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-13 15:12:02,947 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:12:02,948 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)] === [2024-11-13 15:12:02,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:12:02,949 INFO L85 PathProgramCache]: Analyzing trace with hash 1292144432, now seen corresponding path program 1 times [2024-11-13 15:12:02,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:12:02,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189245532] [2024-11-13 15:12:02,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:12:02,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:12:02,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:03,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:12:03,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:03,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-13 15:12:03,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:03,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-13 15:12:03,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:03,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-13 15:12:03,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:03,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-13 15:12:03,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:03,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 15:12:03,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:03,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-13 15:12:03,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:03,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-13 15:12:03,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:03,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-13 15:12:03,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:03,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 15:12:03,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:03,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 15:12:03,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:03,464 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-13 15:12:03,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:12:03,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189245532] [2024-11-13 15:12:03,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189245532] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:12:03,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1229890380] [2024-11-13 15:12:03,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:12:03,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:12:03,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:12:03,470 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:12:03,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 15:12:03,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:03,840 INFO L255 TraceCheckSpWp]: Trace formula consists of 547 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 15:12:03,847 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:12:03,921 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-13 15:12:03,922 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:12:03,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1229890380] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:12:03,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 15:12:03,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2024-11-13 15:12:03,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616169947] [2024-11-13 15:12:03,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:12:03,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:12:03,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:12:03,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:12:03,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:12:03,925 INFO L87 Difference]: Start difference. First operand 213 states and 323 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) [2024-11-13 15:12:04,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:12:04,087 INFO L93 Difference]: Finished difference Result 373 states and 573 transitions. [2024-11-13 15:12:04,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 15:12:04,088 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 [2024-11-13 15:12:04,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:12:04,092 INFO L225 Difference]: With dead ends: 373 [2024-11-13 15:12:04,093 INFO L226 Difference]: Without dead ends: 220 [2024-11-13 15:12:04,098 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-13 15:12:04,099 INFO L432 NwaCegarLoop]: 282 mSDtfsCounter, 8 mSDsluCounter, 557 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 839 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:12:04,103 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 839 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:12:04,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2024-11-13 15:12:04,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 220. [2024-11-13 15:12:04,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 165 states have (on average 1.5333333333333334) internal successors, (253), 176 states have internal predecessors, (253), 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) [2024-11-13 15:12:04,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 333 transitions. [2024-11-13 15:12:04,150 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 333 transitions. Word has length 94 [2024-11-13 15:12:04,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:12:04,153 INFO L471 AbstractCegarLoop]: Abstraction has 220 states and 333 transitions. [2024-11-13 15:12:04,154 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) [2024-11-13 15:12:04,154 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 333 transitions. [2024-11-13 15:12:04,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-13 15:12:04,157 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:12:04,158 INFO L215 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] [2024-11-13 15:12:04,192 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-13 15:12:04,358 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:12:04,359 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)] === [2024-11-13 15:12:04,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:12:04,360 INFO L85 PathProgramCache]: Analyzing trace with hash -641160201, now seen corresponding path program 1 times [2024-11-13 15:12:04,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:12:04,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537171282] [2024-11-13 15:12:04,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:12:04,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:12:04,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:04,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:12:04,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:04,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-13 15:12:04,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:04,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-13 15:12:04,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:04,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-13 15:12:04,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:04,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-13 15:12:04,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:04,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 15:12:04,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:04,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-13 15:12:04,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:04,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-13 15:12:04,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:04,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-13 15:12:04,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:04,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-13 15:12:04,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:04,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-13 15:12:04,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:04,773 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-13 15:12:04,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:12:04,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537171282] [2024-11-13 15:12:04,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537171282] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:12:04,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [127022605] [2024-11-13 15:12:04,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:12:04,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:12:04,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:12:04,777 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:12:04,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-13 15:12:05,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:05,089 INFO L255 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 15:12:05,093 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:12:05,178 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-13 15:12:05,179 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:12:05,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [127022605] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:12:05,180 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 15:12:05,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2024-11-13 15:12:05,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7963294] [2024-11-13 15:12:05,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:12:05,181 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:12:05,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:12:05,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:12:05,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:12:05,184 INFO L87 Difference]: Start difference. First operand 220 states and 333 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) [2024-11-13 15:12:05,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:12:05,414 INFO L93 Difference]: Finished difference Result 398 states and 623 transitions. [2024-11-13 15:12:05,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 15:12:05,416 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 [2024-11-13 15:12:05,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:12:05,418 INFO L225 Difference]: With dead ends: 398 [2024-11-13 15:12:05,418 INFO L226 Difference]: Without dead ends: 238 [2024-11-13 15:12:05,419 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-13 15:12:05,420 INFO L432 NwaCegarLoop]: 276 mSDtfsCounter, 39 mSDsluCounter, 524 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 800 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 15:12:05,421 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 800 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 15:12:05,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2024-11-13 15:12:05,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 234. [2024-11-13 15:12:05,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 177 states have (on average 1.5480225988700564) internal successors, (274), 188 states have internal predecessors, (274), 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) [2024-11-13 15:12:05,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 356 transitions. [2024-11-13 15:12:05,438 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 356 transitions. Word has length 95 [2024-11-13 15:12:05,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:12:05,439 INFO L471 AbstractCegarLoop]: Abstraction has 234 states and 356 transitions. [2024-11-13 15:12:05,439 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) [2024-11-13 15:12:05,439 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 356 transitions. [2024-11-13 15:12:05,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-13 15:12:05,441 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:12:05,441 INFO L215 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] [2024-11-13 15:12:05,465 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-13 15:12:05,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:12:05,643 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)] === [2024-11-13 15:12:05,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:12:05,644 INFO L85 PathProgramCache]: Analyzing trace with hash -778520832, now seen corresponding path program 1 times [2024-11-13 15:12:05,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:12:05,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487481484] [2024-11-13 15:12:05,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:12:05,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:12:05,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:05,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:12:05,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:05,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-13 15:12:05,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:05,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-13 15:12:05,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:05,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-13 15:12:06,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:06,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-13 15:12:06,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:06,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 15:12:06,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:06,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-13 15:12:06,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:06,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-13 15:12:06,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:06,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 15:12:06,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:06,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-13 15:12:06,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:06,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 15:12:06,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:06,078 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-11-13 15:12:06,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:12:06,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487481484] [2024-11-13 15:12:06,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487481484] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:12:06,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [485924311] [2024-11-13 15:12:06,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:12:06,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:12:06,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:12:06,083 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:12:06,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-13 15:12:06,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:06,419 INFO L255 TraceCheckSpWp]: Trace formula consists of 551 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 15:12:06,423 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:12:06,490 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 15:12:06,490 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:12:06,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [485924311] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:12:06,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 15:12:06,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2024-11-13 15:12:06,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775645999] [2024-11-13 15:12:06,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:12:06,492 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:12:06,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:12:06,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:12:06,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:12:06,494 INFO L87 Difference]: Start difference. First operand 234 states and 356 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) [2024-11-13 15:12:06,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:12:06,636 INFO L93 Difference]: Finished difference Result 473 states and 735 transitions. [2024-11-13 15:12:06,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 15:12:06,639 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 [2024-11-13 15:12:06,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:12:06,643 INFO L225 Difference]: With dead ends: 473 [2024-11-13 15:12:06,643 INFO L226 Difference]: Without dead ends: 258 [2024-11-13 15:12:06,645 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-13 15:12:06,646 INFO L432 NwaCegarLoop]: 281 mSDtfsCounter, 21 mSDsluCounter, 539 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 820 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 [2024-11-13 15:12:06,647 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 820 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:12:06,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2024-11-13 15:12:06,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 258. [2024-11-13 15:12:06,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 197 states have (on average 1.5634517766497462) internal successors, (308), 208 states have internal predecessors, (308), 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) [2024-11-13 15:12:06,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 394 transitions. [2024-11-13 15:12:06,681 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 394 transitions. Word has length 98 [2024-11-13 15:12:06,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:12:06,681 INFO L471 AbstractCegarLoop]: Abstraction has 258 states and 394 transitions. [2024-11-13 15:12:06,682 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) [2024-11-13 15:12:06,682 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 394 transitions. [2024-11-13 15:12:06,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-13 15:12:06,689 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:12:06,690 INFO L215 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] [2024-11-13 15:12:06,722 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-13 15:12:06,893 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:12:06,893 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)] === [2024-11-13 15:12:06,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:12:06,894 INFO L85 PathProgramCache]: Analyzing trace with hash 674700126, now seen corresponding path program 1 times [2024-11-13 15:12:06,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:12:06,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673002972] [2024-11-13 15:12:06,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:12:06,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:12:06,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:07,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:12:07,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:07,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-13 15:12:07,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:07,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-13 15:12:07,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:07,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-13 15:12:07,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:07,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-13 15:12:07,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:07,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 15:12:07,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:07,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-13 15:12:07,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:07,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-13 15:12:07,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:07,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 15:12:07,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:07,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-13 15:12:07,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:07,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-13 15:12:07,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:07,297 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-13 15:12:07,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:12:07,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673002972] [2024-11-13 15:12:07,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673002972] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:12:07,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [190258899] [2024-11-13 15:12:07,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:12:07,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:12:07,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:12:07,301 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:12:07,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-13 15:12:07,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:07,586 INFO L255 TraceCheckSpWp]: Trace formula consists of 553 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 15:12:07,590 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:12:07,678 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-13 15:12:07,682 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:12:07,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [190258899] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:12:07,682 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 15:12:07,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2024-11-13 15:12:07,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816703650] [2024-11-13 15:12:07,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:12:07,683 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:12:07,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:12:07,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:12:07,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:12:07,685 INFO L87 Difference]: Start difference. First operand 258 states and 394 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) [2024-11-13 15:12:07,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:12:07,840 INFO L93 Difference]: Finished difference Result 517 states and 800 transitions. [2024-11-13 15:12:07,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 15:12:07,841 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 [2024-11-13 15:12:07,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:12:07,847 INFO L225 Difference]: With dead ends: 517 [2024-11-13 15:12:07,847 INFO L226 Difference]: Without dead ends: 278 [2024-11-13 15:12:07,850 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-13 15:12:07,851 INFO L432 NwaCegarLoop]: 278 mSDtfsCounter, 19 mSDsluCounter, 529 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 807 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 [2024-11-13 15:12:07,852 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 807 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:12:07,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2024-11-13 15:12:07,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278. [2024-11-13 15:12:07,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 213 states have (on average 1.568075117370892) internal successors, (334), 224 states have internal predecessors, (334), 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) [2024-11-13 15:12:07,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 424 transitions. [2024-11-13 15:12:07,892 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 424 transitions. Word has length 100 [2024-11-13 15:12:07,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:12:07,893 INFO L471 AbstractCegarLoop]: Abstraction has 278 states and 424 transitions. [2024-11-13 15:12:07,893 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) [2024-11-13 15:12:07,893 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 424 transitions. [2024-11-13 15:12:07,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-13 15:12:07,901 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:12:07,901 INFO L215 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] [2024-11-13 15:12:07,932 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-13 15:12:08,102 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-11-13 15:12:08,103 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)] === [2024-11-13 15:12:08,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:12:08,103 INFO L85 PathProgramCache]: Analyzing trace with hash -1263302010, now seen corresponding path program 1 times [2024-11-13 15:12:08,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:12:08,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292189482] [2024-11-13 15:12:08,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:12:08,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:12:08,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:08,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:12:08,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:08,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-13 15:12:08,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:08,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-13 15:12:08,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:08,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-13 15:12:08,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:08,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-13 15:12:08,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:08,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 15:12:08,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:08,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-13 15:12:08,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:08,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-13 15:12:08,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:08,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 15:12:08,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:08,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-13 15:12:08,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:08,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-13 15:12:08,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:08,427 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 15:12:08,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:12:08,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292189482] [2024-11-13 15:12:08,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292189482] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:12:08,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [954892590] [2024-11-13 15:12:08,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:12:08,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:12:08,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:12:08,432 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:12:08,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-13 15:12:08,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:08,706 INFO L255 TraceCheckSpWp]: Trace formula consists of 554 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 15:12:08,711 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:12:08,773 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-13 15:12:08,774 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:12:08,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [954892590] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:12:08,775 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 15:12:08,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2024-11-13 15:12:08,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945736642] [2024-11-13 15:12:08,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:12:08,776 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:12:08,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:12:08,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:12:08,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:12:08,777 INFO L87 Difference]: Start difference. First operand 278 states and 424 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) [2024-11-13 15:12:08,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:12:08,878 INFO L93 Difference]: Finished difference Result 286 states and 439 transitions. [2024-11-13 15:12:08,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:12:08,879 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 [2024-11-13 15:12:08,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:12:08,882 INFO L225 Difference]: With dead ends: 286 [2024-11-13 15:12:08,882 INFO L226 Difference]: Without dead ends: 285 [2024-11-13 15:12:08,883 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:12:08,884 INFO L432 NwaCegarLoop]: 294 mSDtfsCounter, 12 mSDsluCounter, 561 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 855 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:12:08,884 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 855 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:12:08,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2024-11-13 15:12:08,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 277. [2024-11-13 15:12:08,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 213 states have (on average 1.5633802816901408) internal successors, (333), 223 states have internal predecessors, (333), 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) [2024-11-13 15:12:08,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 423 transitions. [2024-11-13 15:12:08,926 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 423 transitions. Word has length 101 [2024-11-13 15:12:08,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:12:08,927 INFO L471 AbstractCegarLoop]: Abstraction has 277 states and 423 transitions. [2024-11-13 15:12:08,927 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) [2024-11-13 15:12:08,927 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 423 transitions. [2024-11-13 15:12:08,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-13 15:12:08,931 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:12:08,932 INFO L215 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] [2024-11-13 15:12:08,960 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-13 15:12:09,132 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-13 15:12:09,133 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)] === [2024-11-13 15:12:09,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:12:09,134 INFO L85 PathProgramCache]: Analyzing trace with hash -507656325, now seen corresponding path program 1 times [2024-11-13 15:12:09,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:12:09,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016415313] [2024-11-13 15:12:09,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:12:09,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:12:09,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:09,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:12:09,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:09,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-13 15:12:09,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:09,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-13 15:12:09,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:09,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-13 15:12:09,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:09,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-13 15:12:09,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:09,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 15:12:09,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:09,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-13 15:12:09,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:09,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-13 15:12:09,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:09,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 15:12:09,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:09,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-13 15:12:09,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:09,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-13 15:12:09,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:09,444 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 15:12:09,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:12:09,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016415313] [2024-11-13 15:12:09,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016415313] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:12:09,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [540270144] [2024-11-13 15:12:09,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:12:09,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:12:09,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:12:09,450 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:12:09,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-13 15:12:09,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:09,718 INFO L255 TraceCheckSpWp]: Trace formula consists of 555 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 15:12:09,722 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:12:09,776 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-13 15:12:09,776 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:12:09,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [540270144] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:12:09,776 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 15:12:09,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2024-11-13 15:12:09,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561826786] [2024-11-13 15:12:09,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:12:09,777 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:12:09,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:12:09,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:12:09,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:12:09,780 INFO L87 Difference]: Start difference. First operand 277 states and 423 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) [2024-11-13 15:12:09,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:12:09,845 INFO L93 Difference]: Finished difference Result 474 states and 728 transitions. [2024-11-13 15:12:09,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:12:09,846 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 [2024-11-13 15:12:09,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:12:09,850 INFO L225 Difference]: With dead ends: 474 [2024-11-13 15:12:09,850 INFO L226 Difference]: Without dead ends: 287 [2024-11-13 15:12:09,851 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:12:09,854 INFO L432 NwaCegarLoop]: 287 mSDtfsCounter, 11 mSDsluCounter, 558 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 845 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:12:09,855 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 845 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:12:09,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2024-11-13 15:12:09,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 287. [2024-11-13 15:12:09,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 222 states have (on average 1.5585585585585586) internal successors, (346), 231 states have internal predecessors, (346), 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) [2024-11-13 15:12:09,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 440 transitions. [2024-11-13 15:12:09,889 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 440 transitions. Word has length 102 [2024-11-13 15:12:09,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:12:09,889 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 440 transitions. [2024-11-13 15:12:09,890 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) [2024-11-13 15:12:09,890 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 440 transitions. [2024-11-13 15:12:09,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-13 15:12:09,895 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:12:09,895 INFO L215 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] [2024-11-13 15:12:09,922 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-13 15:12:10,098 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-13 15:12:10,098 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)] === [2024-11-13 15:12:10,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:12:10,099 INFO L85 PathProgramCache]: Analyzing trace with hash -184753804, now seen corresponding path program 1 times [2024-11-13 15:12:10,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:12:10,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120202349] [2024-11-13 15:12:10,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:12:10,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:12:10,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:10,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:12:10,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:10,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-13 15:12:10,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:10,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-13 15:12:10,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:10,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-13 15:12:10,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:10,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-13 15:12:10,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:10,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 15:12:10,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:10,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-13 15:12:10,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:10,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-13 15:12:10,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:10,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 15:12:10,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:10,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-13 15:12:10,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:10,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-13 15:12:10,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:10,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-13 15:12:10,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:10,443 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-13 15:12:10,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:12:10,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120202349] [2024-11-13 15:12:10,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120202349] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:12:10,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1424145269] [2024-11-13 15:12:10,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:12:10,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:12:10,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:12:10,447 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:12:10,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-13 15:12:10,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:10,735 INFO L255 TraceCheckSpWp]: Trace formula consists of 578 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 15:12:10,739 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:12:10,800 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-13 15:12:10,800 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:12:10,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1424145269] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:12:10,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 15:12:10,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2024-11-13 15:12:10,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800154450] [2024-11-13 15:12:10,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:12:10,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:12:10,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:12:10,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:12:10,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:12:10,805 INFO L87 Difference]: Start difference. First operand 287 states and 440 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) [2024-11-13 15:12:10,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:12:10,894 INFO L93 Difference]: Finished difference Result 298 states and 459 transitions. [2024-11-13 15:12:10,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:12:10,895 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 [2024-11-13 15:12:10,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:12:10,899 INFO L225 Difference]: With dead ends: 298 [2024-11-13 15:12:10,901 INFO L226 Difference]: Without dead ends: 297 [2024-11-13 15:12:10,902 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:12:10,903 INFO L432 NwaCegarLoop]: 301 mSDtfsCounter, 10 mSDsluCounter, 568 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 869 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:12:10,903 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 869 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:12:10,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2024-11-13 15:12:10,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 288. [2024-11-13 15:12:10,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 223 states have (on average 1.5560538116591929) internal successors, (347), 232 states have internal predecessors, (347), 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) [2024-11-13 15:12:10,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 441 transitions. [2024-11-13 15:12:10,939 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 441 transitions. Word has length 109 [2024-11-13 15:12:10,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:12:10,939 INFO L471 AbstractCegarLoop]: Abstraction has 288 states and 441 transitions. [2024-11-13 15:12:10,940 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) [2024-11-13 15:12:10,940 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 441 transitions. [2024-11-13 15:12:10,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-13 15:12:10,943 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:12:10,944 INFO L215 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] [2024-11-13 15:12:10,973 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-13 15:12:11,145 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-13 15:12:11,146 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)] === [2024-11-13 15:12:11,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:12:11,146 INFO L85 PathProgramCache]: Analyzing trace with hash -1432400295, now seen corresponding path program 1 times [2024-11-13 15:12:11,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:12:11,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371576767] [2024-11-13 15:12:11,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:12:11,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:12:11,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:11,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:12:11,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:11,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-13 15:12:11,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:11,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-13 15:12:11,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:11,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-13 15:12:11,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:11,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-13 15:12:11,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:11,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 15:12:11,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:11,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-13 15:12:11,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:11,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-13 15:12:11,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:11,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 15:12:11,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:11,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-13 15:12:11,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:11,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-13 15:12:11,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:11,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-13 15:12:11,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:11,463 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-13 15:12:11,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:12:11,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371576767] [2024-11-13 15:12:11,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371576767] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:12:11,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1226385320] [2024-11-13 15:12:11,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:12:11,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:12:11,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:12:11,468 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:12:11,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-13 15:12:11,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:11,750 INFO L255 TraceCheckSpWp]: Trace formula consists of 579 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 15:12:11,753 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:12:11,827 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-13 15:12:11,828 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:12:11,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1226385320] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:12:11,829 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 15:12:11,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2024-11-13 15:12:11,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265746876] [2024-11-13 15:12:11,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:12:11,830 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:12:11,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:12:11,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:12:11,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:12:11,832 INFO L87 Difference]: Start difference. First operand 288 states and 441 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) [2024-11-13 15:12:11,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:12:11,903 INFO L93 Difference]: Finished difference Result 290 states and 443 transitions. [2024-11-13 15:12:11,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:12:11,904 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 [2024-11-13 15:12:11,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:12:11,907 INFO L225 Difference]: With dead ends: 290 [2024-11-13 15:12:11,908 INFO L226 Difference]: Without dead ends: 289 [2024-11-13 15:12:11,908 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:12:11,911 INFO L432 NwaCegarLoop]: 294 mSDtfsCounter, 9 mSDsluCounter, 562 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 856 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 [2024-11-13 15:12:11,912 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 856 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:12:11,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2024-11-13 15:12:11,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 289. [2024-11-13 15:12:11,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 224 states have (on average 1.5535714285714286) internal successors, (348), 233 states have internal predecessors, (348), 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) [2024-11-13 15:12:11,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 442 transitions. [2024-11-13 15:12:11,941 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 442 transitions. Word has length 110 [2024-11-13 15:12:11,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:12:11,942 INFO L471 AbstractCegarLoop]: Abstraction has 289 states and 442 transitions. [2024-11-13 15:12:11,942 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) [2024-11-13 15:12:11,942 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 442 transitions. [2024-11-13 15:12:11,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-13 15:12:11,945 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:12:11,946 INFO L215 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] [2024-11-13 15:12:11,976 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-13 15:12:12,147 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:12:12,147 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)] === [2024-11-13 15:12:12,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:12:12,147 INFO L85 PathProgramCache]: Analyzing trace with hash 1682594648, now seen corresponding path program 1 times [2024-11-13 15:12:12,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:12:12,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118570188] [2024-11-13 15:12:12,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:12:12,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:12:12,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:12,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:12:12,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:12,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-13 15:12:12,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:12,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-13 15:12:12,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:12,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-13 15:12:12,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:12,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-13 15:12:12,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:12,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 15:12:12,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:12,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-13 15:12:12,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:12,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-13 15:12:12,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:12,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 15:12:12,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:12,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-13 15:12:12,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:12,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-13 15:12:12,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:12,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-13 15:12:12,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:12,486 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-13 15:12:12,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:12:12,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118570188] [2024-11-13 15:12:12,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118570188] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:12:12,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [836413933] [2024-11-13 15:12:12,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:12:12,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:12:12,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:12:12,490 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:12:12,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-13 15:12:12,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:12,774 INFO L255 TraceCheckSpWp]: Trace formula consists of 585 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 15:12:12,777 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:12:12,851 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-13 15:12:12,851 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:12:12,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [836413933] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:12:12,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 15:12:12,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 10 [2024-11-13 15:12:12,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884286647] [2024-11-13 15:12:12,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:12:12,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:12:12,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:12:12,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:12:12,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-13 15:12:12,854 INFO L87 Difference]: Start difference. First operand 289 states and 442 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) [2024-11-13 15:12:12,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:12:12,943 INFO L93 Difference]: Finished difference Result 294 states and 452 transitions. [2024-11-13 15:12:12,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 15:12:12,944 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 [2024-11-13 15:12:12,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:12:12,948 INFO L225 Difference]: With dead ends: 294 [2024-11-13 15:12:12,948 INFO L226 Difference]: Without dead ends: 293 [2024-11-13 15:12:12,949 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-13 15:12:12,950 INFO L432 NwaCegarLoop]: 276 mSDtfsCounter, 12 mSDsluCounter, 811 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 1087 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:12:12,950 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 1087 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:12:12,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2024-11-13 15:12:12,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 288. [2024-11-13 15:12:12,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 224 states have (on average 1.5491071428571428) internal successors, (347), 232 states have internal predecessors, (347), 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) [2024-11-13 15:12:12,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 441 transitions. [2024-11-13 15:12:12,979 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 441 transitions. Word has length 111 [2024-11-13 15:12:12,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:12:12,979 INFO L471 AbstractCegarLoop]: Abstraction has 288 states and 441 transitions. [2024-11-13 15:12:12,980 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) [2024-11-13 15:12:12,980 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 441 transitions. [2024-11-13 15:12:12,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-13 15:12:12,983 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:12:12,984 INFO L215 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] [2024-11-13 15:12:13,016 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-13 15:12:13,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:12:13,186 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)] === [2024-11-13 15:12:13,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:12:13,187 INFO L85 PathProgramCache]: Analyzing trace with hash 620826869, now seen corresponding path program 1 times [2024-11-13 15:12:13,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:12:13,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302912987] [2024-11-13 15:12:13,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:12:13,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:12:13,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:13,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:12:13,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:13,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-13 15:12:13,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:13,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-13 15:12:13,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:13,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-13 15:12:13,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:13,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-13 15:12:13,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:13,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 15:12:13,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:13,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-13 15:12:13,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:13,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-13 15:12:13,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:13,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 15:12:13,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:13,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-13 15:12:13,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:13,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-13 15:12:13,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:13,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-13 15:12:13,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:13,540 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-13 15:12:13,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:12:13,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302912987] [2024-11-13 15:12:13,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302912987] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:12:13,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [768405534] [2024-11-13 15:12:13,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:12:13,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:12:13,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:12:13,545 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:12:13,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-13 15:12:13,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:13,848 INFO L255 TraceCheckSpWp]: Trace formula consists of 586 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 15:12:13,852 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:12:13,963 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-13 15:12:13,964 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:12:13,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [768405534] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:12:13,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 15:12:13,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 11 [2024-11-13 15:12:13,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568083026] [2024-11-13 15:12:13,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:12:13,965 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:12:13,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:12:13,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:12:13,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-11-13 15:12:13,967 INFO L87 Difference]: Start difference. First operand 288 states and 441 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) [2024-11-13 15:12:14,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:12:14,085 INFO L93 Difference]: Finished difference Result 493 states and 759 transitions. [2024-11-13 15:12:14,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:12:14,086 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 [2024-11-13 15:12:14,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:12:14,090 INFO L225 Difference]: With dead ends: 493 [2024-11-13 15:12:14,091 INFO L226 Difference]: Without dead ends: 295 [2024-11-13 15:12:14,092 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-11-13 15:12:14,093 INFO L432 NwaCegarLoop]: 290 mSDtfsCounter, 21 mSDsluCounter, 853 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 1143 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:12:14,094 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 1143 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:12:14,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2024-11-13 15:12:14,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 291. [2024-11-13 15:12:14,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 227 states have (on average 1.5550660792951543) internal successors, (353), 234 states have internal predecessors, (353), 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) [2024-11-13 15:12:14,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 449 transitions. [2024-11-13 15:12:14,118 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 449 transitions. Word has length 112 [2024-11-13 15:12:14,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:12:14,119 INFO L471 AbstractCegarLoop]: Abstraction has 291 states and 449 transitions. [2024-11-13 15:12:14,119 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) [2024-11-13 15:12:14,119 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 449 transitions. [2024-11-13 15:12:14,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-13 15:12:14,122 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:12:14,123 INFO L215 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] [2024-11-13 15:12:14,149 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-13 15:12:14,323 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-13 15:12:14,323 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)] === [2024-11-13 15:12:14,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:12:14,324 INFO L85 PathProgramCache]: Analyzing trace with hash -427545694, now seen corresponding path program 1 times [2024-11-13 15:12:14,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:12:14,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326512563] [2024-11-13 15:12:14,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:12:14,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:12:14,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:14,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:12:14,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:14,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-13 15:12:14,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:14,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-13 15:12:14,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:14,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-13 15:12:14,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:14,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-13 15:12:14,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:14,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 15:12:14,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:14,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-13 15:12:14,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:14,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-13 15:12:14,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:14,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 15:12:14,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:14,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-13 15:12:14,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:14,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-13 15:12:14,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:14,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-13 15:12:14,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:14,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-13 15:12:14,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:14,619 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-13 15:12:14,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:12:14,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326512563] [2024-11-13 15:12:14,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326512563] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:12:14,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1763684938] [2024-11-13 15:12:14,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:12:14,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:12:14,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:12:14,623 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:12:14,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-13 15:12:14,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:14,935 INFO L255 TraceCheckSpWp]: Trace formula consists of 602 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 15:12:14,940 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:12:15,014 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-13 15:12:15,015 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:12:15,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1763684938] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:12:15,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 15:12:15,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2024-11-13 15:12:15,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037107296] [2024-11-13 15:12:15,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:12:15,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:12:15,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:12:15,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:12:15,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:12:15,017 INFO L87 Difference]: Start difference. First operand 291 states and 449 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) [2024-11-13 15:12:15,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:12:15,111 INFO L93 Difference]: Finished difference Result 300 states and 464 transitions. [2024-11-13 15:12:15,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:12:15,112 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 [2024-11-13 15:12:15,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:12:15,120 INFO L225 Difference]: With dead ends: 300 [2024-11-13 15:12:15,121 INFO L226 Difference]: Without dead ends: 299 [2024-11-13 15:12:15,121 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:12:15,125 INFO L432 NwaCegarLoop]: 299 mSDtfsCounter, 8 mSDsluCounter, 564 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 863 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:12:15,127 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 863 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:12:15,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2024-11-13 15:12:15,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 292. [2024-11-13 15:12:15,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 228 states have (on average 1.5526315789473684) internal successors, (354), 235 states have internal predecessors, (354), 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) [2024-11-13 15:12:15,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 450 transitions. [2024-11-13 15:12:15,155 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 450 transitions. Word has length 117 [2024-11-13 15:12:15,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:12:15,156 INFO L471 AbstractCegarLoop]: Abstraction has 292 states and 450 transitions. [2024-11-13 15:12:15,156 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) [2024-11-13 15:12:15,156 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 450 transitions. [2024-11-13 15:12:15,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-13 15:12:15,160 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:12:15,160 INFO L215 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] [2024-11-13 15:12:15,191 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-13 15:12:15,360 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-13 15:12:15,362 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)] === [2024-11-13 15:12:15,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:12:15,362 INFO L85 PathProgramCache]: Analyzing trace with hash -369014281, now seen corresponding path program 1 times [2024-11-13 15:12:15,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:12:15,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176461594] [2024-11-13 15:12:15,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:12:15,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:12:15,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:15,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:12:15,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:15,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-13 15:12:15,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:15,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-13 15:12:15,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:15,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-13 15:12:15,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:15,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-13 15:12:15,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:15,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 15:12:15,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:15,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-13 15:12:15,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:15,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-13 15:12:15,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:15,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 15:12:15,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:15,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-13 15:12:15,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:15,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-13 15:12:15,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:15,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-13 15:12:15,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:15,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-13 15:12:15,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:15,594 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-13 15:12:15,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:12:15,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176461594] [2024-11-13 15:12:15,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1176461594] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:12:15,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [87103147] [2024-11-13 15:12:15,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:12:15,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:12:15,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:12:15,598 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:12:15,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-13 15:12:15,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:15,886 INFO L255 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 15:12:15,890 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:12:15,961 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-13 15:12:15,962 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:12:15,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [87103147] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:12:15,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 15:12:15,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2024-11-13 15:12:15,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300912530] [2024-11-13 15:12:15,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:12:15,963 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:12:15,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:12:15,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:12:15,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:12:15,964 INFO L87 Difference]: Start difference. First operand 292 states and 450 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) [2024-11-13 15:12:16,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:12:16,027 INFO L93 Difference]: Finished difference Result 295 states and 453 transitions. [2024-11-13 15:12:16,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:12:16,028 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 [2024-11-13 15:12:16,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:12:16,032 INFO L225 Difference]: With dead ends: 295 [2024-11-13 15:12:16,032 INFO L226 Difference]: Without dead ends: 294 [2024-11-13 15:12:16,033 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:12:16,034 INFO L432 NwaCegarLoop]: 280 mSDtfsCounter, 7 mSDsluCounter, 546 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 826 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:12:16,035 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 826 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:12:16,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2024-11-13 15:12:16,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 293. [2024-11-13 15:12:16,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 229 states have (on average 1.5502183406113537) internal successors, (355), 236 states have internal predecessors, (355), 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) [2024-11-13 15:12:16,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 451 transitions. [2024-11-13 15:12:16,086 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 451 transitions. Word has length 118 [2024-11-13 15:12:16,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:12:16,087 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 451 transitions. [2024-11-13 15:12:16,087 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) [2024-11-13 15:12:16,088 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 451 transitions. [2024-11-13 15:12:16,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-13 15:12:16,091 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:12:16,091 INFO L215 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] [2024-11-13 15:12:16,121 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-13 15:12:16,292 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-13 15:12:16,292 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)] === [2024-11-13 15:12:16,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:12:16,293 INFO L85 PathProgramCache]: Analyzing trace with hash 2046403462, now seen corresponding path program 1 times [2024-11-13 15:12:16,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:12:16,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288353011] [2024-11-13 15:12:16,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:12:16,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:12:16,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:16,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:12:16,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:16,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-13 15:12:16,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:16,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-13 15:12:16,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:16,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-13 15:12:16,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:16,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-13 15:12:16,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:16,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 15:12:16,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:16,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-13 15:12:16,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:16,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-13 15:12:16,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:16,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 15:12:16,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:16,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-13 15:12:16,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:16,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-13 15:12:16,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:16,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-13 15:12:16,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:16,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-13 15:12:16,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:16,572 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-13 15:12:16,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:12:16,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288353011] [2024-11-13 15:12:16,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288353011] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:12:16,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1292290144] [2024-11-13 15:12:16,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:12:16,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:12:16,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:12:16,577 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:12:16,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-13 15:12:16,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:16,874 INFO L255 TraceCheckSpWp]: Trace formula consists of 609 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 15:12:16,881 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:12:16,959 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-13 15:12:16,960 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:12:16,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1292290144] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:12:16,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 15:12:16,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 10 [2024-11-13 15:12:16,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461415886] [2024-11-13 15:12:16,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:12:16,961 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:12:16,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:12:16,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:12:16,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-13 15:12:16,962 INFO L87 Difference]: Start difference. First operand 293 states and 451 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) [2024-11-13 15:12:17,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:12:17,066 INFO L93 Difference]: Finished difference Result 303 states and 467 transitions. [2024-11-13 15:12:17,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 15:12:17,067 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 [2024-11-13 15:12:17,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:12:17,075 INFO L225 Difference]: With dead ends: 303 [2024-11-13 15:12:17,075 INFO L226 Difference]: Without dead ends: 302 [2024-11-13 15:12:17,076 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-13 15:12:17,077 INFO L432 NwaCegarLoop]: 283 mSDtfsCounter, 12 mSDsluCounter, 829 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 1112 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:12:17,077 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 1112 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:12:17,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2024-11-13 15:12:17,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 294. [2024-11-13 15:12:17,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 230 states have (on average 1.5478260869565217) internal successors, (356), 237 states have internal predecessors, (356), 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) [2024-11-13 15:12:17,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 452 transitions. [2024-11-13 15:12:17,104 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 452 transitions. Word has length 119 [2024-11-13 15:12:17,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:12:17,105 INFO L471 AbstractCegarLoop]: Abstraction has 294 states and 452 transitions. [2024-11-13 15:12:17,105 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) [2024-11-13 15:12:17,106 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 452 transitions. [2024-11-13 15:12:17,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-13 15:12:17,109 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:12:17,110 INFO L215 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] [2024-11-13 15:12:17,142 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-11-13 15:12:17,310 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-13 15:12:17,311 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)] === [2024-11-13 15:12:17,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:12:17,312 INFO L85 PathProgramCache]: Analyzing trace with hash 507216262, now seen corresponding path program 1 times [2024-11-13 15:12:17,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:12:17,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013106859] [2024-11-13 15:12:17,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:12:17,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:12:17,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:17,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:12:17,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:17,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-13 15:12:17,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:17,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-13 15:12:17,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:17,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-13 15:12:17,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:17,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-13 15:12:17,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:17,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 15:12:17,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:17,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-13 15:12:17,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:17,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-13 15:12:17,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:17,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 15:12:17,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:17,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-13 15:12:17,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:17,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-13 15:12:17,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:17,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-13 15:12:17,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:17,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-13 15:12:17,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:17,611 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-13 15:12:17,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:12:17,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013106859] [2024-11-13 15:12:17,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013106859] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:12:17,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [940572476] [2024-11-13 15:12:17,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:12:17,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:12:17,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:12:17,615 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:12:17,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-13 15:12:17,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:17,910 INFO L255 TraceCheckSpWp]: Trace formula consists of 609 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 15:12:17,914 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:12:18,002 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-13 15:12:18,002 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:12:18,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [940572476] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:12:18,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 15:12:18,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 10 [2024-11-13 15:12:18,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092574564] [2024-11-13 15:12:18,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:12:18,004 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:12:18,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:12:18,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:12:18,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-13 15:12:18,006 INFO L87 Difference]: Start difference. First operand 294 states and 452 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) [2024-11-13 15:12:18,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:12:18,109 INFO L93 Difference]: Finished difference Result 300 states and 464 transitions. [2024-11-13 15:12:18,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 15:12:18,110 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 [2024-11-13 15:12:18,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:12:18,115 INFO L225 Difference]: With dead ends: 300 [2024-11-13 15:12:18,116 INFO L226 Difference]: Without dead ends: 299 [2024-11-13 15:12:18,116 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-13 15:12:18,117 INFO L432 NwaCegarLoop]: 291 mSDtfsCounter, 10 mSDsluCounter, 840 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 1131 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:12:18,118 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 1131 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:12:18,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2024-11-13 15:12:18,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 292. [2024-11-13 15:12:18,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 229 states have (on average 1.5458515283842795) internal successors, (354), 235 states have internal predecessors, (354), 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) [2024-11-13 15:12:18,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 450 transitions. [2024-11-13 15:12:18,144 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 450 transitions. Word has length 119 [2024-11-13 15:12:18,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:12:18,145 INFO L471 AbstractCegarLoop]: Abstraction has 292 states and 450 transitions. [2024-11-13 15:12:18,145 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) [2024-11-13 15:12:18,146 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 450 transitions. [2024-11-13 15:12:18,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-13 15:12:18,149 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:12:18,149 INFO L215 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] [2024-11-13 15:12:18,178 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-13 15:12:18,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:12:18,351 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)] === [2024-11-13 15:12:18,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:12:18,352 INFO L85 PathProgramCache]: Analyzing trace with hash -986001773, now seen corresponding path program 1 times [2024-11-13 15:12:18,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:12:18,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316253453] [2024-11-13 15:12:18,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:12:18,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:12:18,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:18,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:12:18,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:18,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-13 15:12:18,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:18,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-13 15:12:18,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:18,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-13 15:12:18,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:18,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-13 15:12:18,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:18,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 15:12:18,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:18,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-13 15:12:18,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:18,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-13 15:12:18,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:18,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 15:12:18,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:18,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-13 15:12:18,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:18,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-13 15:12:18,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:18,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-13 15:12:18,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:18,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-13 15:12:18,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:18,735 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-13 15:12:18,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:12:18,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316253453] [2024-11-13 15:12:18,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316253453] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:12:18,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [880221779] [2024-11-13 15:12:18,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:12:18,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:12:18,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:12:18,739 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:12:18,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-13 15:12:19,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:19,022 INFO L255 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 15:12:19,025 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:12:19,126 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-13 15:12:19,126 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:12:19,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [880221779] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:12:19,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 15:12:19,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 11 [2024-11-13 15:12:19,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010110423] [2024-11-13 15:12:19,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:12:19,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:12:19,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:12:19,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:12:19,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-11-13 15:12:19,128 INFO L87 Difference]: Start difference. First operand 292 states and 450 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) [2024-11-13 15:12:19,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:12:19,229 INFO L93 Difference]: Finished difference Result 507 states and 783 transitions. [2024-11-13 15:12:19,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:12:19,230 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 [2024-11-13 15:12:19,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:12:19,235 INFO L225 Difference]: With dead ends: 507 [2024-11-13 15:12:19,235 INFO L226 Difference]: Without dead ends: 305 [2024-11-13 15:12:19,237 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-11-13 15:12:19,238 INFO L432 NwaCegarLoop]: 283 mSDtfsCounter, 16 mSDsluCounter, 1097 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 1380 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:12:19,238 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 1380 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:12:19,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2024-11-13 15:12:19,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 297. [2024-11-13 15:12:19,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 233 states have (on average 1.5407725321888412) internal successors, (359), 239 states have internal predecessors, (359), 49 states have call successors, (49), 14 states have call predecessors, (49), 14 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2024-11-13 15:12:19,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 457 transitions. [2024-11-13 15:12:19,269 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 457 transitions. Word has length 120 [2024-11-13 15:12:19,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:12:19,270 INFO L471 AbstractCegarLoop]: Abstraction has 297 states and 457 transitions. [2024-11-13 15:12:19,271 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) [2024-11-13 15:12:19,271 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 457 transitions. [2024-11-13 15:12:19,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-13 15:12:19,274 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:12:19,274 INFO L215 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] [2024-11-13 15:12:19,305 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-13 15:12:19,475 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:12:19,476 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)] === [2024-11-13 15:12:19,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:12:19,476 INFO L85 PathProgramCache]: Analyzing trace with hash -1456164717, now seen corresponding path program 1 times [2024-11-13 15:12:19,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:12:19,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280855383] [2024-11-13 15:12:19,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:12:19,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:12:19,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:19,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:12:19,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:19,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-13 15:12:19,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:19,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-13 15:12:19,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:19,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-13 15:12:19,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:19,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-13 15:12:19,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:19,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 15:12:19,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:19,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-13 15:12:19,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:19,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-13 15:12:19,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:19,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 15:12:19,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:19,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-13 15:12:19,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:19,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-13 15:12:19,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:19,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-13 15:12:19,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:19,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-13 15:12:19,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:19,707 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-13 15:12:19,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:12:19,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280855383] [2024-11-13 15:12:19,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280855383] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:12:19,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2034905126] [2024-11-13 15:12:19,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:12:19,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:12:19,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:12:19,711 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:12:19,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-13 15:12:19,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:19,960 INFO L255 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 15:12:19,966 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:12:20,077 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-13 15:12:20,077 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:12:20,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2034905126] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:12:20,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 15:12:20,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 11 [2024-11-13 15:12:20,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126887200] [2024-11-13 15:12:20,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:12:20,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:12:20,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:12:20,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:12:20,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-11-13 15:12:20,080 INFO L87 Difference]: Start difference. First operand 297 states and 457 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) [2024-11-13 15:12:20,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:12:20,163 INFO L93 Difference]: Finished difference Result 308 states and 472 transitions. [2024-11-13 15:12:20,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:12:20,164 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 [2024-11-13 15:12:20,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:12:20,168 INFO L225 Difference]: With dead ends: 308 [2024-11-13 15:12:20,169 INFO L226 Difference]: Without dead ends: 307 [2024-11-13 15:12:20,169 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-11-13 15:12:20,170 INFO L432 NwaCegarLoop]: 277 mSDtfsCounter, 26 mSDsluCounter, 824 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 1101 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:12:20,171 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 1101 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:12:20,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2024-11-13 15:12:20,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 294. [2024-11-13 15:12:20,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 231 states have (on average 1.5411255411255411) internal successors, (356), 237 states have internal predecessors, (356), 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) [2024-11-13 15:12:20,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 452 transitions. [2024-11-13 15:12:20,202 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 452 transitions. Word has length 120 [2024-11-13 15:12:20,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:12:20,203 INFO L471 AbstractCegarLoop]: Abstraction has 294 states and 452 transitions. [2024-11-13 15:12:20,203 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) [2024-11-13 15:12:20,204 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 452 transitions. [2024-11-13 15:12:20,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-13 15:12:20,207 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:12:20,208 INFO L215 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] [2024-11-13 15:12:20,235 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-13 15:12:20,408 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:12:20,409 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)] === [2024-11-13 15:12:20,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:12:20,410 INFO L85 PathProgramCache]: Analyzing trace with hash -2060517841, now seen corresponding path program 1 times [2024-11-13 15:12:20,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:12:20,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743771451] [2024-11-13 15:12:20,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:12:20,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:12:20,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:20,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:12:20,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:20,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-13 15:12:20,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:20,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-13 15:12:20,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:20,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-13 15:12:20,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:20,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-13 15:12:20,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:20,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 15:12:20,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:20,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-13 15:12:20,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:20,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-13 15:12:20,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:20,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 15:12:20,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:20,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-13 15:12:20,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:20,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-13 15:12:20,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:20,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-13 15:12:20,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:20,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-13 15:12:20,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:20,722 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-13 15:12:20,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:12:20,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743771451] [2024-11-13 15:12:20,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1743771451] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:12:20,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1942809511] [2024-11-13 15:12:20,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:12:20,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:12:20,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:12:20,726 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:12:20,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-13 15:12:20,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:20,997 INFO L255 TraceCheckSpWp]: Trace formula consists of 617 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 15:12:21,001 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:12:21,124 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-13 15:12:21,124 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:12:21,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1942809511] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:12:21,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 15:12:21,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 13 [2024-11-13 15:12:21,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051473963] [2024-11-13 15:12:21,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:12:21,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 15:12:21,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:12:21,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 15:12:21,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2024-11-13 15:12:21,127 INFO L87 Difference]: Start difference. First operand 294 states and 452 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) [2024-11-13 15:12:21,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:12:21,221 INFO L93 Difference]: Finished difference Result 308 states and 477 transitions. [2024-11-13 15:12:21,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 15:12:21,222 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 [2024-11-13 15:12:21,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:12:21,224 INFO L225 Difference]: With dead ends: 308 [2024-11-13 15:12:21,224 INFO L226 Difference]: Without dead ends: 0 [2024-11-13 15:12:21,225 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2024-11-13 15:12:21,228 INFO L432 NwaCegarLoop]: 272 mSDtfsCounter, 37 mSDsluCounter, 1096 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 1368 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:12:21,228 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 1368 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:12:21,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-13 15:12:21,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-13 15:12:21,229 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) [2024-11-13 15:12:21,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-13 15:12:21,230 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 122 [2024-11-13 15:12:21,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:12:21,230 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 15:12:21,231 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) [2024-11-13 15:12:21,231 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-13 15:12:21,231 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 15:12:21,235 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2024-11-13 15:12:21,235 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2024-11-13 15:12:21,236 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2024-11-13 15:12:21,236 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2024-11-13 15:12:21,236 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2024-11-13 15:12:21,236 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2024-11-13 15:12:21,236 INFO L782 garLoopResultBuilder]: Registering result SAFE for location add_history_typeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2024-11-13 15:12:21,236 INFO L782 garLoopResultBuilder]: Registering result SAFE for location add_history_typeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2024-11-13 15:12:21,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-13 15:12:21,437 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:12:21,442 INFO L407 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] [2024-11-13 15:12:21,444 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-13 15:12:21,937 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 15:12:21,974 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 03:12:21 BoogieIcfgContainer [2024-11-13 15:12:21,974 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 15:12:21,975 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 15:12:21,975 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 15:12:21,975 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 15:12:21,980 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:11:58" (3/4) ... [2024-11-13 15:12:21,983 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 15:12:21,990 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_history_int8 [2024-11-13 15:12:21,990 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_history_bool [2024-11-13 15:12:21,990 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assert [2024-11-13 15:12:21,991 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure add_history_type [2024-11-13 15:12:21,991 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-13 15:12:21,991 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure write_history_bool [2024-11-13 15:12:22,002 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2024-11-13 15:12:22,003 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-13 15:12:22,004 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 15:12:22,005 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 15:12:22,034 WARN L216 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0 < (var + 2147483649)) && ((\old(history_id) != 0) || (history_id == 0))) [2024-11-13 15:12:22,131 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0 < (var + 2147483649)) && ((\old(history_id) != 0) || (history_id == 0))) [2024-11-13 15:12:22,188 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 15:12:22,189 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/witness.yml [2024-11-13 15:12:22,189 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 15:12:22,190 INFO L158 Benchmark]: Toolchain (without parser) took 25993.45ms. Allocated memory was 142.6MB in the beginning and 268.4MB in the end (delta: 125.8MB). Free memory was 118.6MB in the beginning and 228.9MB in the end (delta: -110.4MB). Peak memory consumption was 163.1MB. Max. memory is 16.1GB. [2024-11-13 15:12:22,191 INFO L158 Benchmark]: CDTParser took 1.86ms. Allocated memory is still 142.6MB. Free memory is still 79.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:12:22,191 INFO L158 Benchmark]: CACSL2BoogieTranslator took 540.33ms. Allocated memory is still 142.6MB. Free memory was 118.3MB in the beginning and 101.9MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 15:12:22,191 INFO L158 Benchmark]: Boogie Procedure Inliner took 123.05ms. Allocated memory is still 142.6MB. Free memory was 101.9MB in the beginning and 98.9MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:12:22,192 INFO L158 Benchmark]: Boogie Preprocessor took 85.99ms. Allocated memory is still 142.6MB. Free memory was 98.9MB in the beginning and 95.4MB in the end (delta: 3.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:12:22,192 INFO L158 Benchmark]: RCFGBuilder took 1389.45ms. Allocated memory is still 142.6MB. Free memory was 95.2MB in the beginning and 56.6MB in the end (delta: 38.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 15:12:22,193 INFO L158 Benchmark]: TraceAbstraction took 23630.16ms. Allocated memory was 142.6MB in the beginning and 268.4MB in the end (delta: 125.8MB). Free memory was 55.9MB in the beginning and 88.0MB in the end (delta: -32.1MB). Peak memory consumption was 95.9MB. Max. memory is 16.1GB. [2024-11-13 15:12:22,193 INFO L158 Benchmark]: Witness Printer took 213.96ms. Allocated memory is still 268.4MB. Free memory was 88.0MB in the beginning and 228.9MB in the end (delta: -140.9MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2024-11-13 15:12:22,195 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.86ms. Allocated memory is still 142.6MB. Free memory is still 79.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 540.33ms. Allocated memory is still 142.6MB. Free memory was 118.3MB in the beginning and 101.9MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 123.05ms. Allocated memory is still 142.6MB. Free memory was 101.9MB in the beginning and 98.9MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 85.99ms. Allocated memory is still 142.6MB. Free memory was 98.9MB in the beginning and 95.4MB in the end (delta: 3.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1389.45ms. Allocated memory is still 142.6MB. Free memory was 95.2MB in the beginning and 56.6MB in the end (delta: 38.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 23630.16ms. Allocated memory was 142.6MB in the beginning and 268.4MB in the end (delta: 125.8MB). Free memory was 55.9MB in the beginning and 88.0MB in the end (delta: -32.1MB). Peak memory consumption was 95.9MB. Max. memory is 16.1GB. * Witness Printer took 213.96ms. Allocated memory is still 268.4MB. Free memory was 88.0MB in the beginning and 228.9MB in the end (delta: -140.9MB). Peak memory consumption was 8.5MB. 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, 195 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 23.0s, OverallIterations: 22, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 2.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 416 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 381 mSDsluCounter, 20960 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14674 mSDsCounter, 57 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 925 IncrementalHoareTripleChecker+Invalid, 982 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 57 mSolverCounterUnsat, 6286 mSDtfsCounter, 925 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2527 GetRequests, 2369 SyntacticMatches, 0 SemanticMatches, 158 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=297occurred in iteration=20, 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: 0.7s AutomataMinimizationTime, 22 MinimizatonAttempts, 122 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.1s SsaConstructionTime, 2.8s SatisfiabilityAnalysisTime, 8.5s InterpolantComputationTime, 4033 NumberOfCodeBlocks, 4033 NumberOfCodeBlocksAsserted, 41 NumberOfCheckSat, 3992 ConstructedInterpolants, 0 QuantifiedInterpolants, 6070 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 - 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))) - ProcedureContractResult [Line: 104]: Procedure Contract for read_history_int8 Derived contract for procedure read_history_int8. Ensures: ((((((((((((((((((((((((((((nomsg == \old(nomsg)) && (g1v == \old(g1v))) && (g1v_old == \old(g1v_old))) && (g1v_new == \old(g1v_new))) && (g2v == \old(g2v))) && (g2v_old == \old(g2v_old))) && (g2v_new == \old(g2v_new))) && (g3v == \old(g3v))) && (g3v_old == \old(g3v_old))) && (g3v_new == \old(g3v_new))) && (gate1Failed == \old(gate1Failed))) && (gate2Failed == \old(gate2Failed))) && (gate3Failed == \old(gate3Failed))) && (VALUE1 == \old(VALUE1))) && (VALUE2 == \old(VALUE2))) && (VALUE3 == \old(VALUE3))) && (gate1Failed_History_0 == \old(gate1Failed_History_0))) && (gate1Failed_History_1 == \old(gate1Failed_History_1))) && (gate1Failed_History_2 == \old(gate1Failed_History_2))) && (gate2Failed_History_0 == \old(gate2Failed_History_0))) && (gate2Failed_History_1 == \old(gate2Failed_History_1))) && (gate2Failed_History_2 == \old(gate2Failed_History_2))) && (gate3Failed_History_0 == \old(gate3Failed_History_0))) && (gate3Failed_History_1 == \old(gate3Failed_History_1))) && (gate3Failed_History_2 == \old(gate3Failed_History_2))) && (votedValue_History_0 == \old(votedValue_History_0))) && (votedValue_History_1 == \old(votedValue_History_1))) && (votedValue_History_2 == \old(votedValue_History_2))) - ProcedureContractResult [Line: 124]: Procedure Contract for read_history_bool Derived contract for procedure read_history_bool. Ensures: ((((((((((((((((((((((((((((nomsg == \old(nomsg)) && (g1v == \old(g1v))) && (g1v_old == \old(g1v_old))) && (g1v_new == \old(g1v_new))) && (g2v == \old(g2v))) && (g2v_old == \old(g2v_old))) && (g2v_new == \old(g2v_new))) && (g3v == \old(g3v))) && (g3v_old == \old(g3v_old))) && (g3v_new == \old(g3v_new))) && (gate1Failed == \old(gate1Failed))) && (gate2Failed == \old(gate2Failed))) && (gate3Failed == \old(gate3Failed))) && (VALUE1 == \old(VALUE1))) && (VALUE2 == \old(VALUE2))) && (VALUE3 == \old(VALUE3))) && (gate1Failed_History_0 == \old(gate1Failed_History_0))) && (gate1Failed_History_1 == \old(gate1Failed_History_1))) && (gate1Failed_History_2 == \old(gate1Failed_History_2))) && (gate2Failed_History_0 == \old(gate2Failed_History_0))) && (gate2Failed_History_1 == \old(gate2Failed_History_1))) && (gate2Failed_History_2 == \old(gate2Failed_History_2))) && (gate3Failed_History_0 == \old(gate3Failed_History_0))) && (gate3Failed_History_1 == \old(gate3Failed_History_1))) && (gate3Failed_History_2 == \old(gate3Failed_History_2))) && (votedValue_History_0 == \old(votedValue_History_0))) && (votedValue_History_1 == \old(votedValue_History_1))) && (votedValue_History_2 == \old(votedValue_History_2))) - ProcedureContractResult [Line: 534]: Procedure Contract for assert Derived contract for procedure assert. Ensures: ((((((((((((((((((((((((((((nomsg == \old(nomsg)) && (g1v == \old(g1v))) && (g1v_old == \old(g1v_old))) && (g1v_new == \old(g1v_new))) && (g2v == \old(g2v))) && (g2v_old == \old(g2v_old))) && (g2v_new == \old(g2v_new))) && (g3v == \old(g3v))) && (g3v_old == \old(g3v_old))) && (g3v_new == \old(g3v_new))) && (gate1Failed == \old(gate1Failed))) && (gate2Failed == \old(gate2Failed))) && (gate3Failed == \old(gate3Failed))) && (VALUE1 == \old(VALUE1))) && (VALUE2 == \old(VALUE2))) && (VALUE3 == \old(VALUE3))) && (gate1Failed_History_0 == \old(gate1Failed_History_0))) && (gate1Failed_History_1 == \old(gate1Failed_History_1))) && (gate1Failed_History_2 == \old(gate1Failed_History_2))) && (gate2Failed_History_0 == \old(gate2Failed_History_0))) && (gate2Failed_History_1 == \old(gate2Failed_History_1))) && (gate2Failed_History_2 == \old(gate2Failed_History_2))) && (gate3Failed_History_0 == \old(gate3Failed_History_0))) && (gate3Failed_History_1 == \old(gate3Failed_History_1))) && (gate3Failed_History_2 == \old(gate3Failed_History_2))) && (votedValue_History_0 == \old(votedValue_History_0))) && (votedValue_History_1 == \old(votedValue_History_1))) && (votedValue_History_2 == \old(votedValue_History_2))) - ProcedureContractResult [Line: 60]: Procedure Contract for add_history_type Derived contract for procedure add_history_type. Ensures: ((((((((((((((((((((((((((((nomsg == \old(nomsg)) && (g1v == \old(g1v))) && (g1v_old == \old(g1v_old))) && (g1v_new == \old(g1v_new))) && (g2v == \old(g2v))) && (g2v_old == \old(g2v_old))) && (g2v_new == \old(g2v_new))) && (g3v == \old(g3v))) && (g3v_old == \old(g3v_old))) && (g3v_new == \old(g3v_new))) && (gate1Failed == \old(gate1Failed))) && (gate2Failed == \old(gate2Failed))) && (gate3Failed == \old(gate3Failed))) && (VALUE1 == \old(VALUE1))) && (VALUE2 == \old(VALUE2))) && (VALUE3 == \old(VALUE3))) && (gate1Failed_History_0 == \old(gate1Failed_History_0))) && (gate1Failed_History_1 == \old(gate1Failed_History_1))) && (gate1Failed_History_2 == \old(gate1Failed_History_2))) && (gate2Failed_History_0 == \old(gate2Failed_History_0))) && (gate2Failed_History_1 == \old(gate2Failed_History_1))) && (gate2Failed_History_2 == \old(gate2Failed_History_2))) && (gate3Failed_History_0 == \old(gate3Failed_History_0))) && (gate3Failed_History_1 == \old(gate3Failed_History_1))) && (gate3Failed_History_2 == \old(gate3Failed_History_2))) && (votedValue_History_0 == \old(votedValue_History_0))) && (votedValue_History_1 == \old(votedValue_History_1))) && (votedValue_History_2 == \old(votedValue_History_2))) - ProcedureContractResult [Line: 36]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: ((((((((((((((((((((((((((((nomsg == \old(nomsg)) && (g1v == \old(g1v))) && (g1v_old == \old(g1v_old))) && (g1v_new == \old(g1v_new))) && (g2v == \old(g2v))) && (g2v_old == \old(g2v_old))) && (g2v_new == \old(g2v_new))) && (g3v == \old(g3v))) && (g3v_old == \old(g3v_old))) && (g3v_new == \old(g3v_new))) && (gate1Failed == \old(gate1Failed))) && (gate2Failed == \old(gate2Failed))) && (gate3Failed == \old(gate3Failed))) && (VALUE1 == \old(VALUE1))) && (VALUE2 == \old(VALUE2))) && (VALUE3 == \old(VALUE3))) && (gate1Failed_History_0 == \old(gate1Failed_History_0))) && (gate1Failed_History_1 == \old(gate1Failed_History_1))) && (gate1Failed_History_2 == \old(gate1Failed_History_2))) && (gate2Failed_History_0 == \old(gate2Failed_History_0))) && (gate2Failed_History_1 == \old(gate2Failed_History_1))) && (gate2Failed_History_2 == \old(gate2Failed_History_2))) && (gate3Failed_History_0 == \old(gate3Failed_History_0))) && (gate3Failed_History_1 == \old(gate3Failed_History_1))) && (gate3Failed_History_2 == \old(gate3Failed_History_2))) && (votedValue_History_0 == \old(votedValue_History_0))) && (votedValue_History_1 == \old(votedValue_History_1))) && (votedValue_History_2 == \old(votedValue_History_2))) - ProcedureContractResult [Line: 179]: Procedure Contract for write_history_bool Derived contract for procedure write_history_bool. Ensures: (((((((((((((((((((nomsg == \old(nomsg)) && (g1v == \old(g1v))) && (g1v_old == \old(g1v_old))) && (g1v_new == \old(g1v_new))) && (g2v == \old(g2v))) && (g2v_old == \old(g2v_old))) && (g2v_new == \old(g2v_new))) && (g3v == \old(g3v))) && (g3v_old == \old(g3v_old))) && (g3v_new == \old(g3v_new))) && (gate1Failed == \old(gate1Failed))) && (gate2Failed == \old(gate2Failed))) && (gate3Failed == \old(gate3Failed))) && (VALUE1 == \old(VALUE1))) && (VALUE2 == \old(VALUE2))) && (VALUE3 == \old(VALUE3))) && (votedValue_History_0 == \old(votedValue_History_0))) && (votedValue_History_1 == \old(votedValue_History_1))) && (votedValue_History_2 == \old(votedValue_History_2))) RESULT: Ultimate proved your program to be correct! [2024-11-13 15:12:22,237 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb904dc1-2e55-4f86-aa5c-d1c13a00730b/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE