./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength4.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b22afd1-c40e-4414-a74b-6a886480a5f3/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b22afd1-c40e-4414-a74b-6a886480a5f3/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b22afd1-c40e-4414-a74b-6a886480a5f3/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b22afd1-c40e-4414-a74b-6a886480a5f3/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b22afd1-c40e-4414-a74b-6a886480a5f3/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b22afd1-c40e-4414-a74b-6a886480a5f3/bin/uautomizer-verify-4GaUIPS5ZU --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 f3d22aeda2fb15b9dd79854281ee0f5e475c0f7ee1551b76594f45703ddc81df --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 21:58:55,631 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 21:58:55,713 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b22afd1-c40e-4414-a74b-6a886480a5f3/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-31 21:58:55,718 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 21:58:55,721 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 21:58:55,773 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 21:58:55,776 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 21:58:55,776 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 21:58:55,777 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 21:58:55,780 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 21:58:55,780 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 21:58:55,781 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 21:58:55,781 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 21:58:55,783 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 21:58:55,786 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 21:58:55,787 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 21:58:55,787 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 21:58:55,788 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 21:58:55,805 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 21:58:55,805 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 21:58:55,805 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 21:58:55,806 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 21:58:55,807 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 21:58:55,810 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 21:58:55,810 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 21:58:55,811 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-31 21:58:55,811 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 21:58:55,811 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 21:58:55,812 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 21:58:55,812 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 21:58:55,812 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 21:58:55,813 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 21:58:55,813 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 21:58:55,813 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 21:58:55,813 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:58:55,814 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 21:58:55,814 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 21:58:55,814 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 21:58:55,814 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 21:58:55,815 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 21:58:55,815 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 21:58:55,816 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 21:58:55,817 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 21:58:55,817 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 21:58:55,817 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b22afd1-c40e-4414-a74b-6a886480a5f3/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b22afd1-c40e-4414-a74b-6a886480a5f3/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f3d22aeda2fb15b9dd79854281ee0f5e475c0f7ee1551b76594f45703ddc81df [2024-10-31 21:58:56,125 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 21:58:56,155 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 21:58:56,158 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 21:58:56,161 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 21:58:56,161 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 21:58:56,163 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b22afd1-c40e-4414-a74b-6a886480a5f3/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength4.c Unable to find full path for "g++" [2024-10-31 21:58:58,161 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 21:58:58,366 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 21:58:58,367 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b22afd1-c40e-4414-a74b-6a886480a5f3/sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength4.c [2024-10-31 21:58:58,374 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b22afd1-c40e-4414-a74b-6a886480a5f3/bin/uautomizer-verify-4GaUIPS5ZU/data/cc2d1e2cd/f115b1e957dc4f1cbb9c98198b007d31/FLAG055c860a7 [2024-10-31 21:58:58,390 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b22afd1-c40e-4414-a74b-6a886480a5f3/bin/uautomizer-verify-4GaUIPS5ZU/data/cc2d1e2cd/f115b1e957dc4f1cbb9c98198b007d31 [2024-10-31 21:58:58,395 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 21:58:58,396 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 21:58:58,399 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 21:58:58,400 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 21:58:58,407 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 21:58:58,410 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:58:58" (1/1) ... [2024-10-31 21:58:58,412 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5caaf869 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:58, skipping insertion in model container [2024-10-31 21:58:58,412 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:58:58" (1/1) ... [2024-10-31 21:58:58,434 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 21:58:58,641 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:58:58,653 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 21:58:58,676 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:58:58,703 INFO L204 MainTranslator]: Completed translation [2024-10-31 21:58:58,704 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:58 WrapperNode [2024-10-31 21:58:58,704 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 21:58:58,713 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 21:58:58,713 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 21:58:58,713 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 21:58:58,722 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:58" (1/1) ... [2024-10-31 21:58:58,730 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:58" (1/1) ... [2024-10-31 21:58:58,755 INFO L138 Inliner]: procedures = 8, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 72 [2024-10-31 21:58:58,756 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 21:58:58,759 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 21:58:58,759 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 21:58:58,759 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 21:58:58,771 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:58" (1/1) ... [2024-10-31 21:58:58,771 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:58" (1/1) ... [2024-10-31 21:58:58,773 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:58" (1/1) ... [2024-10-31 21:58:58,797 INFO L175 MemorySlicer]: Split 3 memory accesses to 2 slices as follows [2, 1]. 67 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0]. The 1 writes are split as follows [1, 0]. [2024-10-31 21:58:58,798 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:58" (1/1) ... [2024-10-31 21:58:58,798 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:58" (1/1) ... [2024-10-31 21:58:58,805 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:58" (1/1) ... [2024-10-31 21:58:58,813 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:58" (1/1) ... [2024-10-31 21:58:58,814 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:58" (1/1) ... [2024-10-31 21:58:58,821 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:58" (1/1) ... [2024-10-31 21:58:58,823 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 21:58:58,824 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 21:58:58,825 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 21:58:58,825 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 21:58:58,826 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:58" (1/1) ... [2024-10-31 21:58:58,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:58:58,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b22afd1-c40e-4414-a74b-6a886480a5f3/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:58,863 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b22afd1-c40e-4414-a74b-6a886480a5f3/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:58,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b22afd1-c40e-4414-a74b-6a886480a5f3/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 21:58:58,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 21:58:58,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-31 21:58:58,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 21:58:58,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 21:58:58,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 21:58:58,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-31 21:58:58,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 21:58:58,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 21:58:58,979 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 21:58:58,981 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 21:58:59,210 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-10-31 21:58:59,210 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 21:58:59,227 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 21:58:59,228 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-10-31 21:58:59,228 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:58:59 BoogieIcfgContainer [2024-10-31 21:58:59,228 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 21:58:59,231 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 21:58:59,231 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 21:58:59,234 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 21:58:59,234 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 09:58:58" (1/3) ... [2024-10-31 21:58:59,235 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65e3e5ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 09:58:59, skipping insertion in model container [2024-10-31 21:58:59,235 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:58" (2/3) ... [2024-10-31 21:58:59,235 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65e3e5ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 09:58:59, skipping insertion in model container [2024-10-31 21:58:59,236 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:58:59" (3/3) ... [2024-10-31 21:58:59,237 INFO L112 eAbstractionObserver]: Analyzing ICFG ArraysOfVariableLength4.c [2024-10-31 21:58:59,253 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 21:58:59,253 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-10-31 21:58:59,315 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 21:58:59,322 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;@28899789, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 21:58:59,323 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-10-31 21:58:59,327 INFO L276 IsEmpty]: Start isEmpty. Operand has 29 states, 22 states have (on average 1.5909090909090908) internal successors, (35), 28 states have internal predecessors, (35), 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) [2024-10-31 21:58:59,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-31 21:58:59,334 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:58:59,335 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-31 21:58:59,336 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-31 21:58:59,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:59,342 INFO L85 PathProgramCache]: Analyzing trace with hash 889666572, now seen corresponding path program 1 times [2024-10-31 21:58:59,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:59,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838110721] [2024-10-31 21:58:59,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:59,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:59,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:59,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:59,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:58:59,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838110721] [2024-10-31 21:58:59,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [838110721] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:58:59,700 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:58:59,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 21:58:59,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036392543] [2024-10-31 21:58:59,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:58:59,708 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 21:58:59,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:58:59,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 21:58:59,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 21:58:59,749 INFO L87 Difference]: Start difference. First operand has 29 states, 22 states have (on average 1.5909090909090908) internal successors, (35), 28 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:58:59,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:58:59,819 INFO L93 Difference]: Finished difference Result 61 states and 77 transitions. [2024-10-31 21:58:59,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 21:58:59,823 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-10-31 21:58:59,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:58:59,831 INFO L225 Difference]: With dead ends: 61 [2024-10-31 21:58:59,831 INFO L226 Difference]: Without dead ends: 29 [2024-10-31 21:58:59,834 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 21:58:59,837 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 2 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 21:58:59,840 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 72 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 21:58:59,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2024-10-31 21:58:59,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 28. [2024-10-31 21:58:59,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 22 states have (on average 1.4090909090909092) internal successors, (31), 27 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:58:59,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 31 transitions. [2024-10-31 21:58:59,887 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 31 transitions. Word has length 6 [2024-10-31 21:58:59,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:58:59,887 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 31 transitions. [2024-10-31 21:58:59,888 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:58:59,888 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2024-10-31 21:58:59,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-10-31 21:58:59,890 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:58:59,890 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:58:59,890 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 21:58:59,893 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-31 21:58:59,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:59,894 INFO L85 PathProgramCache]: Analyzing trace with hash 235011595, now seen corresponding path program 1 times [2024-10-31 21:58:59,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:59,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377382355] [2024-10-31 21:58:59,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:59,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:59,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:59,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:59,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:58:59,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377382355] [2024-10-31 21:58:59,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377382355] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:58:59,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:58:59,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 21:58:59,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158064790] [2024-10-31 21:58:59,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:58:59,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 21:58:59,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:58:59,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 21:58:59,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 21:59:00,000 INFO L87 Difference]: Start difference. First operand 28 states and 31 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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) [2024-10-31 21:59:00,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:59:00,073 INFO L93 Difference]: Finished difference Result 55 states and 63 transitions. [2024-10-31 21:59:00,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 21:59:00,074 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-10-31 21:59:00,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:59:00,075 INFO L225 Difference]: With dead ends: 55 [2024-10-31 21:59:00,075 INFO L226 Difference]: Without dead ends: 47 [2024-10-31 21:59:00,076 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 21:59:00,077 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 11 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 21:59:00,078 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 50 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 21:59:00,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-10-31 21:59:00,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 34. [2024-10-31 21:59:00,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 28 states have (on average 1.3214285714285714) internal successors, (37), 33 states have internal predecessors, (37), 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) [2024-10-31 21:59:00,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 37 transitions. [2024-10-31 21:59:00,088 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 37 transitions. Word has length 8 [2024-10-31 21:59:00,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:59:00,089 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 37 transitions. [2024-10-31 21:59:00,091 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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) [2024-10-31 21:59:00,091 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 37 transitions. [2024-10-31 21:59:00,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-10-31 21:59:00,092 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:59:00,092 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:59:00,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 21:59:00,093 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-31 21:59:00,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:00,094 INFO L85 PathProgramCache]: Analyzing trace with hash 269484748, now seen corresponding path program 1 times [2024-10-31 21:59:00,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:00,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528855210] [2024-10-31 21:59:00,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:00,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:00,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:00,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:59:00,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:59:00,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528855210] [2024-10-31 21:59:00,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528855210] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:59:00,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:59:00,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 21:59:00,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333583736] [2024-10-31 21:59:00,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:59:00,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 21:59:00,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:59:00,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:59:00,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:59:00,248 INFO L87 Difference]: Start difference. First operand 34 states and 37 transitions. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2024-10-31 21:59:00,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:59:00,281 INFO L93 Difference]: Finished difference Result 65 states and 71 transitions. [2024-10-31 21:59:00,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:59:00,285 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-10-31 21:59:00,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:59:00,285 INFO L225 Difference]: With dead ends: 65 [2024-10-31 21:59:00,286 INFO L226 Difference]: Without dead ends: 34 [2024-10-31 21:59:00,286 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:59:00,287 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 1 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 21:59:00,291 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 43 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 21:59:00,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2024-10-31 21:59:00,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2024-10-31 21:59:00,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 33 states have internal predecessors, (36), 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) [2024-10-31 21:59:00,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 36 transitions. [2024-10-31 21:59:00,302 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 36 transitions. Word has length 8 [2024-10-31 21:59:00,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:59:00,303 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 36 transitions. [2024-10-31 21:59:00,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2024-10-31 21:59:00,303 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 36 transitions. [2024-10-31 21:59:00,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-10-31 21:59:00,304 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:59:00,304 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2024-10-31 21:59:00,304 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 21:59:00,305 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-31 21:59:00,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:00,308 INFO L85 PathProgramCache]: Analyzing trace with hash -1479828344, now seen corresponding path program 1 times [2024-10-31 21:59:00,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:00,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99146737] [2024-10-31 21:59:00,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:00,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:00,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:00,458 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:59:00,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:59:00,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99146737] [2024-10-31 21:59:00,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99146737] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 21:59:00,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1884320011] [2024-10-31 21:59:00,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:00,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:59:00,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b22afd1-c40e-4414-a74b-6a886480a5f3/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:00,463 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b22afd1-c40e-4414-a74b-6a886480a5f3/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 21:59:00,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b22afd1-c40e-4414-a74b-6a886480a5f3/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-31 21:59:00,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:00,540 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-31 21:59:00,546 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:59:00,619 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:59:00,620 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 21:59:00,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1884320011] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:59:00,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-31 21:59:00,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-10-31 21:59:00,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495791354] [2024-10-31 21:59:00,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:59:00,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 21:59:00,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:59:00,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 21:59:00,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-31 21:59:00,625 INFO L87 Difference]: Start difference. First operand 34 states and 36 transitions. Second operand has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:59:00,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:59:00,694 INFO L93 Difference]: Finished difference Result 34 states and 36 transitions. [2024-10-31 21:59:00,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 21:59:00,695 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-10-31 21:59:00,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:59:00,696 INFO L225 Difference]: With dead ends: 34 [2024-10-31 21:59:00,696 INFO L226 Difference]: Without dead ends: 33 [2024-10-31 21:59:00,696 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-31 21:59:00,698 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 2 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 21:59:00,698 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 82 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 21:59:00,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2024-10-31 21:59:00,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2024-10-31 21:59:00,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 28 states have (on average 1.25) internal successors, (35), 32 states have internal predecessors, (35), 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) [2024-10-31 21:59:00,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 35 transitions. [2024-10-31 21:59:00,707 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 35 transitions. Word has length 10 [2024-10-31 21:59:00,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:59:00,708 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 35 transitions. [2024-10-31 21:59:00,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:59:00,708 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 35 transitions. [2024-10-31 21:59:00,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-10-31 21:59:00,709 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:59:00,709 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1] [2024-10-31 21:59:00,732 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b22afd1-c40e-4414-a74b-6a886480a5f3/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-31 21:59:00,910 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b22afd1-c40e-4414-a74b-6a886480a5f3/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:59:00,910 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-31 21:59:00,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:00,911 INFO L85 PathProgramCache]: Analyzing trace with hash 1369961646, now seen corresponding path program 1 times [2024-10-31 21:59:00,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:00,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651579251] [2024-10-31 21:59:00,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:00,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:00,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:01,066 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:59:01,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:59:01,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651579251] [2024-10-31 21:59:01,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651579251] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 21:59:01,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1381617203] [2024-10-31 21:59:01,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:01,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:59:01,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b22afd1-c40e-4414-a74b-6a886480a5f3/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:01,074 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b22afd1-c40e-4414-a74b-6a886480a5f3/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 21:59:01,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b22afd1-c40e-4414-a74b-6a886480a5f3/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-31 21:59:01,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:01,154 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-31 21:59:01,155 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:59:01,197 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:59:01,197 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 21:59:01,276 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:59:01,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1381617203] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 21:59:01,277 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 21:59:01,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-10-31 21:59:01,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858707525] [2024-10-31 21:59:01,277 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 21:59:01,279 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-31 21:59:01,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:59:01,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-31 21:59:01,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-31 21:59:01,281 INFO L87 Difference]: Start difference. First operand 33 states and 35 transitions. Second operand has 12 states, 11 states have (on average 2.272727272727273) internal successors, (25), 12 states have internal predecessors, (25), 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) [2024-10-31 21:59:01,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:59:01,389 INFO L93 Difference]: Finished difference Result 49 states and 56 transitions. [2024-10-31 21:59:01,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-31 21:59:01,390 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.272727272727273) internal successors, (25), 12 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-10-31 21:59:01,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:59:01,392 INFO L225 Difference]: With dead ends: 49 [2024-10-31 21:59:01,392 INFO L226 Difference]: Without dead ends: 48 [2024-10-31 21:59:01,392 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-31 21:59:01,393 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 4 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 21:59:01,396 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 101 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 21:59:01,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-10-31 21:59:01,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 45. [2024-10-31 21:59:01,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 40 states have (on average 1.25) internal successors, (50), 44 states have internal predecessors, (50), 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) [2024-10-31 21:59:01,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 50 transitions. [2024-10-31 21:59:01,409 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 50 transitions. Word has length 11 [2024-10-31 21:59:01,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:59:01,409 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 50 transitions. [2024-10-31 21:59:01,409 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.272727272727273) internal successors, (25), 12 states have internal predecessors, (25), 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) [2024-10-31 21:59:01,409 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 50 transitions. [2024-10-31 21:59:01,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-10-31 21:59:01,410 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:59:01,410 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:59:01,437 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b22afd1-c40e-4414-a74b-6a886480a5f3/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-31 21:59:01,610 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b22afd1-c40e-4414-a74b-6a886480a5f3/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:59:01,611 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-31 21:59:01,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:01,611 INFO L85 PathProgramCache]: Analyzing trace with hash -482462648, now seen corresponding path program 1 times [2024-10-31 21:59:01,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:01,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627497996] [2024-10-31 21:59:01,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:01,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:01,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:01,669 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-31 21:59:01,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:59:01,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627497996] [2024-10-31 21:59:01,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627497996] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:59:01,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:59:01,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 21:59:01,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772824775] [2024-10-31 21:59:01,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:59:01,671 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 21:59:01,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:59:01,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 21:59:01,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 21:59:01,672 INFO L87 Difference]: Start difference. First operand 45 states and 50 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2024-10-31 21:59:01,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:59:01,727 INFO L93 Difference]: Finished difference Result 73 states and 82 transitions. [2024-10-31 21:59:01,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 21:59:01,728 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-10-31 21:59:01,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:59:01,728 INFO L225 Difference]: With dead ends: 73 [2024-10-31 21:59:01,729 INFO L226 Difference]: Without dead ends: 71 [2024-10-31 21:59:01,730 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 21:59:01,731 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 4 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 21:59:01,732 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 47 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 21:59:01,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2024-10-31 21:59:01,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 70. [2024-10-31 21:59:01,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 65 states have (on average 1.2307692307692308) internal successors, (80), 69 states have internal predecessors, (80), 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) [2024-10-31 21:59:01,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 80 transitions. [2024-10-31 21:59:01,745 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 80 transitions. Word has length 12 [2024-10-31 21:59:01,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:59:01,746 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 80 transitions. [2024-10-31 21:59:01,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2024-10-31 21:59:01,747 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 80 transitions. [2024-10-31 21:59:01,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-10-31 21:59:01,748 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:59:01,749 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-10-31 21:59:01,749 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-31 21:59:01,749 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-31 21:59:01,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:01,750 INFO L85 PathProgramCache]: Analyzing trace with hash 1281122176, now seen corresponding path program 1 times [2024-10-31 21:59:01,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:01,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799877815] [2024-10-31 21:59:01,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:01,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:01,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:01,877 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-31 21:59:01,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:59:01,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799877815] [2024-10-31 21:59:01,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799877815] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 21:59:01,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1059399880] [2024-10-31 21:59:01,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:01,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:59:01,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b22afd1-c40e-4414-a74b-6a886480a5f3/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:01,881 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b22afd1-c40e-4414-a74b-6a886480a5f3/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 21:59:01,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b22afd1-c40e-4414-a74b-6a886480a5f3/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-31 21:59:01,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:01,976 INFO L255 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-31 21:59:01,978 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:59:02,054 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-31 21:59:02,056 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 21:59:02,123 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-31 21:59:02,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1059399880] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 21:59:02,124 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 21:59:02,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-10-31 21:59:02,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843997206] [2024-10-31 21:59:02,124 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 21:59:02,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-31 21:59:02,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:59:02,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-31 21:59:02,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-10-31 21:59:02,126 INFO L87 Difference]: Start difference. First operand 70 states and 80 transitions. Second operand has 11 states, 11 states have (on average 2.909090909090909) internal successors, (32), 11 states have internal predecessors, (32), 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) [2024-10-31 21:59:02,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:59:02,180 INFO L93 Difference]: Finished difference Result 117 states and 132 transitions. [2024-10-31 21:59:02,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-31 21:59:02,181 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.909090909090909) internal successors, (32), 11 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2024-10-31 21:59:02,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:59:02,182 INFO L225 Difference]: With dead ends: 117 [2024-10-31 21:59:02,182 INFO L226 Difference]: Without dead ends: 70 [2024-10-31 21:59:02,183 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-10-31 21:59:02,183 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 3 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 21:59:02,184 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 106 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 21:59:02,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2024-10-31 21:59:02,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2024-10-31 21:59:02,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 65 states have (on average 1.1692307692307693) internal successors, (76), 69 states have internal predecessors, (76), 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) [2024-10-31 21:59:02,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 76 transitions. [2024-10-31 21:59:02,191 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 76 transitions. Word has length 23 [2024-10-31 21:59:02,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:59:02,192 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 76 transitions. [2024-10-31 21:59:02,192 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.909090909090909) internal successors, (32), 11 states have internal predecessors, (32), 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) [2024-10-31 21:59:02,192 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 76 transitions. [2024-10-31 21:59:02,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-10-31 21:59:02,193 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:59:02,193 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 1, 1, 1, 1] [2024-10-31 21:59:02,213 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b22afd1-c40e-4414-a74b-6a886480a5f3/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-31 21:59:02,394 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b22afd1-c40e-4414-a74b-6a886480a5f3/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:59:02,394 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-31 21:59:02,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:02,395 INFO L85 PathProgramCache]: Analyzing trace with hash -1531431494, now seen corresponding path program 2 times [2024-10-31 21:59:02,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:02,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114300524] [2024-10-31 21:59:02,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:02,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:02,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:02,642 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:59:02,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:59:02,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114300524] [2024-10-31 21:59:02,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2114300524] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 21:59:02,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [36777501] [2024-10-31 21:59:02,643 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-31 21:59:02,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:59:02,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b22afd1-c40e-4414-a74b-6a886480a5f3/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:02,646 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b22afd1-c40e-4414-a74b-6a886480a5f3/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 21:59:02,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b22afd1-c40e-4414-a74b-6a886480a5f3/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-31 21:59:02,710 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-31 21:59:02,710 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-31 21:59:02,711 INFO L255 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-31 21:59:02,713 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:59:02,824 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-31 21:59:02,824 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 21:59:02,925 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-31 21:59:02,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [36777501] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 21:59:02,928 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 21:59:02,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 17 [2024-10-31 21:59:02,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416259089] [2024-10-31 21:59:02,928 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 21:59:02,929 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-10-31 21:59:02,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:59:02,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-10-31 21:59:02,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=230, Unknown=0, NotChecked=0, Total=306 [2024-10-31 21:59:02,930 INFO L87 Difference]: Start difference. First operand 70 states and 76 transitions. Second operand has 18 states, 17 states have (on average 2.411764705882353) internal successors, (41), 18 states have internal predecessors, (41), 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) [2024-10-31 21:59:03,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:59:03,218 INFO L93 Difference]: Finished difference Result 86 states and 98 transitions. [2024-10-31 21:59:03,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-31 21:59:03,222 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 2.411764705882353) internal successors, (41), 18 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2024-10-31 21:59:03,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:59:03,223 INFO L225 Difference]: With dead ends: 86 [2024-10-31 21:59:03,223 INFO L226 Difference]: Without dead ends: 85 [2024-10-31 21:59:03,223 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=219, Invalid=711, Unknown=0, NotChecked=0, Total=930 [2024-10-31 21:59:03,224 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 7 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 21:59:03,227 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 114 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 21:59:03,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2024-10-31 21:59:03,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 55. [2024-10-31 21:59:03,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 51 states have (on average 1.1372549019607843) internal successors, (58), 54 states have internal predecessors, (58), 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) [2024-10-31 21:59:03,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 58 transitions. [2024-10-31 21:59:03,240 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 58 transitions. Word has length 23 [2024-10-31 21:59:03,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:59:03,240 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 58 transitions. [2024-10-31 21:59:03,241 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 2.411764705882353) internal successors, (41), 18 states have internal predecessors, (41), 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) [2024-10-31 21:59:03,241 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 58 transitions. [2024-10-31 21:59:03,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-10-31 21:59:03,241 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:59:03,243 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:59:03,263 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b22afd1-c40e-4414-a74b-6a886480a5f3/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-31 21:59:03,444 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b22afd1-c40e-4414-a74b-6a886480a5f3/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:59:03,444 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-31 21:59:03,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:03,444 INFO L85 PathProgramCache]: Analyzing trace with hash -363414695, now seen corresponding path program 1 times [2024-10-31 21:59:03,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:03,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196706234] [2024-10-31 21:59:03,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:03,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:03,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:03,651 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-31 21:59:03,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:59:03,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196706234] [2024-10-31 21:59:03,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196706234] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 21:59:03,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [469127127] [2024-10-31 21:59:03,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:03,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:59:03,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b22afd1-c40e-4414-a74b-6a886480a5f3/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:03,655 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b22afd1-c40e-4414-a74b-6a886480a5f3/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 21:59:03,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b22afd1-c40e-4414-a74b-6a886480a5f3/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-31 21:59:03,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:03,733 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-31 21:59:03,735 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:59:03,934 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-31 21:59:03,936 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 21:59:04,145 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-31 21:59:04,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [469127127] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 21:59:04,145 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 21:59:04,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 23 [2024-10-31 21:59:04,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023620929] [2024-10-31 21:59:04,146 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 21:59:04,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-10-31 21:59:04,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:59:04,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-10-31 21:59:04,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=370, Unknown=0, NotChecked=0, Total=506 [2024-10-31 21:59:04,152 INFO L87 Difference]: Start difference. First operand 55 states and 58 transitions. Second operand has 23 states, 23 states have (on average 2.4782608695652173) internal successors, (57), 23 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:59:04,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:59:04,267 INFO L93 Difference]: Finished difference Result 126 states and 139 transitions. [2024-10-31 21:59:04,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-31 21:59:04,268 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 2.4782608695652173) internal successors, (57), 23 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2024-10-31 21:59:04,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:59:04,270 INFO L225 Difference]: With dead ends: 126 [2024-10-31 21:59:04,271 INFO L226 Difference]: Without dead ends: 87 [2024-10-31 21:59:04,272 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=136, Invalid=370, Unknown=0, NotChecked=0, Total=506 [2024-10-31 21:59:04,273 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 2 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 21:59:04,274 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 136 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 21:59:04,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2024-10-31 21:59:04,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2024-10-31 21:59:04,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 83 states have (on average 1.0843373493975903) internal successors, (90), 86 states have internal predecessors, (90), 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) [2024-10-31 21:59:04,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 90 transitions. [2024-10-31 21:59:04,297 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 90 transitions. Word has length 32 [2024-10-31 21:59:04,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:59:04,297 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 90 transitions. [2024-10-31 21:59:04,297 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 2.4782608695652173) internal successors, (57), 23 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:59:04,297 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 90 transitions. [2024-10-31 21:59:04,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-10-31 21:59:04,299 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:59:04,299 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:59:04,321 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b22afd1-c40e-4414-a74b-6a886480a5f3/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-31 21:59:04,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b22afd1-c40e-4414-a74b-6a886480a5f3/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:59:04,504 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-31 21:59:04,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:04,505 INFO L85 PathProgramCache]: Analyzing trace with hash 1558314313, now seen corresponding path program 2 times [2024-10-31 21:59:04,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:04,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117128476] [2024-10-31 21:59:04,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:04,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:04,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:05,181 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 1 proven. 91 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-31 21:59:05,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:59:05,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117128476] [2024-10-31 21:59:05,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117128476] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 21:59:05,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [432887098] [2024-10-31 21:59:05,182 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-31 21:59:05,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:59:05,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b22afd1-c40e-4414-a74b-6a886480a5f3/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:05,185 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b22afd1-c40e-4414-a74b-6a886480a5f3/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 21:59:05,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b22afd1-c40e-4414-a74b-6a886480a5f3/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-31 21:59:05,273 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-31 21:59:05,275 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-31 21:59:05,276 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-10-31 21:59:05,279 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:59:05,940 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 1 proven. 91 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-31 21:59:05,940 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 21:59:06,619 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 1 proven. 91 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-31 21:59:06,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [432887098] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 21:59:06,620 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 21:59:06,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 47 [2024-10-31 21:59:06,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122384069] [2024-10-31 21:59:06,622 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 21:59:06,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2024-10-31 21:59:06,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:59:06,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2024-10-31 21:59:06,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=528, Invalid=1634, Unknown=0, NotChecked=0, Total=2162 [2024-10-31 21:59:06,625 INFO L87 Difference]: Start difference. First operand 87 states and 90 transitions. Second operand has 47 states, 47 states have (on average 2.234042553191489) internal successors, (105), 47 states have internal predecessors, (105), 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) [2024-10-31 21:59:06,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:59:06,792 INFO L93 Difference]: Finished difference Result 206 states and 227 transitions. [2024-10-31 21:59:06,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-10-31 21:59:06,793 INFO L78 Accepts]: Start accepts. Automaton has has 47 states, 47 states have (on average 2.234042553191489) internal successors, (105), 47 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2024-10-31 21:59:06,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:59:06,794 INFO L225 Difference]: With dead ends: 206 [2024-10-31 21:59:06,795 INFO L226 Difference]: Without dead ends: 151 [2024-10-31 21:59:06,796 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 538 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=528, Invalid=1634, Unknown=0, NotChecked=0, Total=2162 [2024-10-31 21:59:06,797 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 2 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 21:59:06,797 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 135 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 21:59:06,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2024-10-31 21:59:06,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2024-10-31 21:59:06,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 147 states have (on average 1.0476190476190477) internal successors, (154), 150 states have internal predecessors, (154), 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) [2024-10-31 21:59:06,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 154 transitions. [2024-10-31 21:59:06,813 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 154 transitions. Word has length 48 [2024-10-31 21:59:06,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:59:06,814 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 154 transitions. [2024-10-31 21:59:06,814 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 2.234042553191489) internal successors, (105), 47 states have internal predecessors, (105), 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) [2024-10-31 21:59:06,814 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 154 transitions. [2024-10-31 21:59:06,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-10-31 21:59:06,816 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:59:06,816 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:59:06,837 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b22afd1-c40e-4414-a74b-6a886480a5f3/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-31 21:59:07,020 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b22afd1-c40e-4414-a74b-6a886480a5f3/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-10-31 21:59:07,020 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-31 21:59:07,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:07,021 INFO L85 PathProgramCache]: Analyzing trace with hash 1637015849, now seen corresponding path program 3 times [2024-10-31 21:59:07,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:07,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083754119] [2024-10-31 21:59:07,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:07,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:07,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:08,418 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 1 proven. 435 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-31 21:59:08,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:59:08,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083754119] [2024-10-31 21:59:08,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083754119] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 21:59:08,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1285117807] [2024-10-31 21:59:08,419 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-31 21:59:08,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:59:08,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b22afd1-c40e-4414-a74b-6a886480a5f3/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:08,421 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b22afd1-c40e-4414-a74b-6a886480a5f3/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 21:59:08,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b22afd1-c40e-4414-a74b-6a886480a5f3/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-31 21:59:08,498 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-10-31 21:59:08,499 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-31 21:59:08,500 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-31 21:59:08,502 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:59:08,593 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2024-10-31 21:59:08,593 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 21:59:08,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1285117807] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:59:08,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-31 21:59:08,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [33] total 36 [2024-10-31 21:59:08,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354540712] [2024-10-31 21:59:08,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:59:08,595 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 21:59:08,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:59:08,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 21:59:08,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=295, Invalid=965, Unknown=0, NotChecked=0, Total=1260 [2024-10-31 21:59:08,597 INFO L87 Difference]: Start difference. First operand 151 states and 154 transitions. Second operand has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 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) [2024-10-31 21:59:08,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:59:08,686 INFO L93 Difference]: Finished difference Result 151 states and 154 transitions. [2024-10-31 21:59:08,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 21:59:08,688 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2024-10-31 21:59:08,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:59:08,693 INFO L225 Difference]: With dead ends: 151 [2024-10-31 21:59:08,693 INFO L226 Difference]: Without dead ends: 150 [2024-10-31 21:59:08,694 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 297 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=295, Invalid=965, Unknown=0, NotChecked=0, Total=1260 [2024-10-31 21:59:08,695 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 9 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 21:59:08,696 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 53 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 21:59:08,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2024-10-31 21:59:08,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2024-10-31 21:59:08,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 147 states have (on average 1.0408163265306123) internal successors, (153), 149 states have internal predecessors, (153), 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) [2024-10-31 21:59:08,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 153 transitions. [2024-10-31 21:59:08,729 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 153 transitions. Word has length 80 [2024-10-31 21:59:08,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:59:08,729 INFO L471 AbstractCegarLoop]: Abstraction has 150 states and 153 transitions. [2024-10-31 21:59:08,730 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 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) [2024-10-31 21:59:08,730 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 153 transitions. [2024-10-31 21:59:08,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-10-31 21:59:08,735 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:59:08,735 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:59:08,780 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b22afd1-c40e-4414-a74b-6a886480a5f3/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-31 21:59:08,935 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b22afd1-c40e-4414-a74b-6a886480a5f3/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-10-31 21:59:08,936 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-31 21:59:08,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:08,936 INFO L85 PathProgramCache]: Analyzing trace with hash -792116142, now seen corresponding path program 1 times [2024-10-31 21:59:08,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:08,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208215380] [2024-10-31 21:59:08,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:08,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:09,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:09,172 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2024-10-31 21:59:09,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:59:09,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208215380] [2024-10-31 21:59:09,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208215380] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 21:59:09,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [238138826] [2024-10-31 21:59:09,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:09,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:59:09,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b22afd1-c40e-4414-a74b-6a886480a5f3/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:09,175 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b22afd1-c40e-4414-a74b-6a886480a5f3/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 21:59:09,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b22afd1-c40e-4414-a74b-6a886480a5f3/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-31 21:59:09,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:09,283 INFO L255 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-10-31 21:59:09,288 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:59:10,210 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 1 proven. 435 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-31 21:59:10,210 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 21:59:11,866 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 1 proven. 435 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-31 21:59:11,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [238138826] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 21:59:11,867 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 21:59:11,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 33, 33] total 68 [2024-10-31 21:59:11,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410901314] [2024-10-31 21:59:11,867 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 21:59:11,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 68 states [2024-10-31 21:59:11,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:59:11,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2024-10-31 21:59:11,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1066, Invalid=3490, Unknown=0, NotChecked=0, Total=4556 [2024-10-31 21:59:11,872 INFO L87 Difference]: Start difference. First operand 150 states and 153 transitions. Second operand has 68 states, 68 states have (on average 2.3823529411764706) internal successors, (162), 68 states have internal predecessors, (162), 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) [2024-10-31 21:59:14,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:59:14,408 INFO L93 Difference]: Finished difference Result 369 states and 407 transitions. [2024-10-31 21:59:14,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2024-10-31 21:59:14,409 INFO L78 Accepts]: Start accepts. Automaton has has 68 states, 68 states have (on average 2.3823529411764706) internal successors, (162), 68 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2024-10-31 21:59:14,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:59:14,411 INFO L225 Difference]: With dead ends: 369 [2024-10-31 21:59:14,411 INFO L226 Difference]: Without dead ends: 283 [2024-10-31 21:59:14,417 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 127 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4144 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=3187, Invalid=13325, Unknown=0, NotChecked=0, Total=16512 [2024-10-31 21:59:14,418 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 262 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 292 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-31 21:59:14,419 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 168 Invalid, 296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 292 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-31 21:59:14,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2024-10-31 21:59:14,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 283. [2024-10-31 21:59:14,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 280 states have (on average 1.0214285714285714) internal successors, (286), 282 states have internal predecessors, (286), 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) [2024-10-31 21:59:14,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 286 transitions. [2024-10-31 21:59:14,452 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 286 transitions. Word has length 81 [2024-10-31 21:59:14,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:59:14,453 INFO L471 AbstractCegarLoop]: Abstraction has 283 states and 286 transitions. [2024-10-31 21:59:14,454 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 68 states, 68 states have (on average 2.3823529411764706) internal successors, (162), 68 states have internal predecessors, (162), 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) [2024-10-31 21:59:14,454 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 286 transitions. [2024-10-31 21:59:14,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-31 21:59:14,459 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:59:14,460 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 31, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:59:14,484 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b22afd1-c40e-4414-a74b-6a886480a5f3/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-31 21:59:14,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b22afd1-c40e-4414-a74b-6a886480a5f3/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-10-31 21:59:14,660 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-31 21:59:14,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:14,661 INFO L85 PathProgramCache]: Analyzing trace with hash 1650996544, now seen corresponding path program 2 times [2024-10-31 21:59:14,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:14,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067492740] [2024-10-31 21:59:14,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:14,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:14,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:18,292 INFO L134 CoverageAnalysis]: Checked inductivity of 1907 backedges. 1 proven. 1891 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-31 21:59:18,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:59:18,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067492740] [2024-10-31 21:59:18,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067492740] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 21:59:18,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [293654907] [2024-10-31 21:59:18,293 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-31 21:59:18,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:59:18,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b22afd1-c40e-4414-a74b-6a886480a5f3/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:18,296 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b22afd1-c40e-4414-a74b-6a886480a5f3/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 21:59:18,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b22afd1-c40e-4414-a74b-6a886480a5f3/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-31 21:59:18,444 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-31 21:59:18,444 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-31 21:59:18,447 INFO L255 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 66 conjuncts are in the unsatisfiable core [2024-10-31 21:59:18,451 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:59:23,261 INFO L134 CoverageAnalysis]: Checked inductivity of 1907 backedges. 1 proven. 1891 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-31 21:59:23,261 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 21:59:29,513 INFO L134 CoverageAnalysis]: Checked inductivity of 1907 backedges. 1 proven. 1891 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-31 21:59:29,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [293654907] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 21:59:29,513 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 21:59:29,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [65, 65, 65] total 191 [2024-10-31 21:59:29,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66542229] [2024-10-31 21:59:29,514 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 21:59:29,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 191 states [2024-10-31 21:59:29,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:59:29,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 191 interpolants. [2024-10-31 21:59:29,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6334, Invalid=29956, Unknown=0, NotChecked=0, Total=36290 [2024-10-31 21:59:29,525 INFO L87 Difference]: Start difference. First operand 283 states and 286 transitions. Second operand has 191 states, 191 states have (on average 2.0575916230366493) internal successors, (393), 191 states have internal predecessors, (393), 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) [2024-10-31 21:59:29,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:59:29,947 INFO L93 Difference]: Finished difference Result 448 states and 455 transitions. [2024-10-31 21:59:29,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-10-31 21:59:29,948 INFO L78 Accepts]: Start accepts. Automaton has has 191 states, 191 states have (on average 2.0575916230366493) internal successors, (393), 191 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 150 [2024-10-31 21:59:29,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:59:29,950 INFO L225 Difference]: With dead ends: 448 [2024-10-31 21:59:29,950 INFO L226 Difference]: Without dead ends: 293 [2024-10-31 21:59:29,954 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 363 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 189 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13392 ImplicationChecksByTransitivity, 12.0s TimeCoverageRelationStatistics Valid=6334, Invalid=29956, Unknown=0, NotChecked=0, Total=36290 [2024-10-31 21:59:29,955 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 1 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 267 SdHoareTripleChecker+Invalid, 327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-31 21:59:29,955 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 267 Invalid, 327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-31 21:59:29,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2024-10-31 21:59:29,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 291. [2024-10-31 21:59:29,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 288 states have (on average 1.0208333333333333) internal successors, (294), 290 states have internal predecessors, (294), 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) [2024-10-31 21:59:29,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 294 transitions. [2024-10-31 21:59:29,976 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 294 transitions. Word has length 150 [2024-10-31 21:59:29,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:59:29,976 INFO L471 AbstractCegarLoop]: Abstraction has 291 states and 294 transitions. [2024-10-31 21:59:29,977 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 191 states, 191 states have (on average 2.0575916230366493) internal successors, (393), 191 states have internal predecessors, (393), 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) [2024-10-31 21:59:29,977 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 294 transitions. [2024-10-31 21:59:29,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-10-31 21:59:29,978 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:59:29,979 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 32, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:59:30,000 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b22afd1-c40e-4414-a74b-6a886480a5f3/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-31 21:59:30,179 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b22afd1-c40e-4414-a74b-6a886480a5f3/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-10-31 21:59:30,179 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-31 21:59:30,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:30,180 INFO L85 PathProgramCache]: Analyzing trace with hash 1018191292, now seen corresponding path program 3 times [2024-10-31 21:59:30,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:30,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582829846] [2024-10-31 21:59:30,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:30,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms