./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test3-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test3-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 be29e8161f6a6b8e8b181f151bf5388e6a9e3237ae426f572d4ceda403cee9b8 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 13:36:58,480 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 13:36:58,553 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-19 13:36:58,559 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 13:36:58,560 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 13:36:58,588 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 13:36:58,589 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 13:36:58,589 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 13:36:58,590 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 13:36:58,590 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 13:36:58,591 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 13:36:58,591 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 13:36:58,592 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 13:36:58,594 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 13:36:58,595 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 13:36:58,595 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 13:36:58,595 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 13:36:58,596 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 13:36:58,596 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 13:36:58,596 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 13:36:58,597 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 13:36:58,600 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 13:36:58,601 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 13:36:58,601 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 13:36:58,601 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 13:36:58,601 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 13:36:58,601 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 13:36:58,602 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 13:36:58,602 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 13:36:58,602 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 13:36:58,602 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 13:36:58,603 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 13:36:58,603 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 13:36:58,603 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 13:36:58,603 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:36:58,603 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 13:36:58,604 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 13:36:58,604 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 13:36:58,606 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 13:36:58,607 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 13:36:58,607 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 13:36:58,607 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 13:36:58,607 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 13:36:58,608 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 13:36:58,608 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be29e8161f6a6b8e8b181f151bf5388e6a9e3237ae426f572d4ceda403cee9b8 [2024-11-19 13:36:58,871 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 13:36:58,895 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 13:36:58,902 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 13:36:58,904 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 13:36:58,906 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 13:36:58,911 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test3-2.i [2024-11-19 13:37:00,353 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 13:37:00,728 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 13:37:00,729 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test3-2.i [2024-11-19 13:37:00,753 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a86575c5b/a478aff3225145eea2e54f190133c901/FLAG0be0a356f [2024-11-19 13:37:00,773 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a86575c5b/a478aff3225145eea2e54f190133c901 [2024-11-19 13:37:00,778 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 13:37:00,779 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 13:37:00,785 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 13:37:00,785 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 13:37:00,791 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 13:37:00,791 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:37:00" (1/1) ... [2024-11-19 13:37:00,792 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ecfa72b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:37:00, skipping insertion in model container [2024-11-19 13:37:00,793 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:37:00" (1/1) ... [2024-11-19 13:37:00,866 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 13:37:01,408 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:37:01,421 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 13:37:01,555 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:37:01,597 INFO L204 MainTranslator]: Completed translation [2024-11-19 13:37:01,597 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:37:01 WrapperNode [2024-11-19 13:37:01,598 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 13:37:01,599 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 13:37:01,599 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 13:37:01,599 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 13:37:01,606 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:37:01" (1/1) ... [2024-11-19 13:37:01,661 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:37:01" (1/1) ... [2024-11-19 13:37:01,767 INFO L138 Inliner]: procedures = 177, calls = 325, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1608 [2024-11-19 13:37:01,767 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 13:37:01,768 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 13:37:01,768 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 13:37:01,769 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 13:37:01,780 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:37:01" (1/1) ... [2024-11-19 13:37:01,780 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:37:01" (1/1) ... [2024-11-19 13:37:01,799 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:37:01" (1/1) ... [2024-11-19 13:37:01,882 INFO L175 MemorySlicer]: Split 302 memory accesses to 3 slices as follows [2, 34, 266]. 88 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 62 writes are split as follows [0, 4, 58]. [2024-11-19 13:37:01,883 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:37:01" (1/1) ... [2024-11-19 13:37:01,883 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:37:01" (1/1) ... [2024-11-19 13:37:01,931 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:37:01" (1/1) ... [2024-11-19 13:37:01,952 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:37:01" (1/1) ... [2024-11-19 13:37:01,965 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:37:01" (1/1) ... [2024-11-19 13:37:01,975 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:37:01" (1/1) ... [2024-11-19 13:37:01,992 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 13:37:01,993 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 13:37:01,993 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 13:37:01,993 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 13:37:01,994 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:37:01" (1/1) ... [2024-11-19 13:37:02,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:37:02,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:37:02,030 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 13:37:02,033 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 13:37:02,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 13:37:02,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 13:37:02,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 13:37:02,082 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-19 13:37:02,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-19 13:37:02,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 13:37:02,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 13:37:02,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 13:37:02,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-19 13:37:02,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-19 13:37:02,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-19 13:37:02,085 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-19 13:37:02,085 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-19 13:37:02,085 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-19 13:37:02,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 13:37:02,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 13:37:02,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 13:37:02,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 13:37:02,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 13:37:02,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 13:37:02,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 13:37:02,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 13:37:02,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 13:37:02,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 13:37:02,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 13:37:02,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 13:37:02,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 13:37:02,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 13:37:02,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 13:37:02,349 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 13:37:02,351 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 13:37:04,019 INFO L? ?]: Removed 347 outVars from TransFormulas that were not future-live. [2024-11-19 13:37:04,020 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 13:37:04,037 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 13:37:04,038 INFO L316 CfgBuilder]: Removed 72 assume(true) statements. [2024-11-19 13:37:04,038 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:37:04 BoogieIcfgContainer [2024-11-19 13:37:04,038 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 13:37:04,040 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 13:37:04,041 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 13:37:04,043 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 13:37:04,044 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:37:00" (1/3) ... [2024-11-19 13:37:04,046 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2df229ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:37:04, skipping insertion in model container [2024-11-19 13:37:04,046 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:37:01" (2/3) ... [2024-11-19 13:37:04,046 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2df229ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:37:04, skipping insertion in model container [2024-11-19 13:37:04,047 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:37:04" (3/3) ... [2024-11-19 13:37:04,048 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_OAT_nondet_test3-2.i [2024-11-19 13:37:04,064 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 13:37:04,064 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-19 13:37:04,137 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 13:37:04,143 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;@761d539b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 13:37:04,143 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-19 13:37:04,148 INFO L276 IsEmpty]: Start isEmpty. Operand has 449 states, 435 states have (on average 1.625287356321839) internal successors, (707), 442 states have internal predecessors, (707), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-19 13:37:04,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-19 13:37:04,153 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:37:04,153 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:37:04,154 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)] === [2024-11-19 13:37:04,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:37:04,159 INFO L85 PathProgramCache]: Analyzing trace with hash -408358773, now seen corresponding path program 1 times [2024-11-19 13:37:04,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:37:04,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871732584] [2024-11-19 13:37:04,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:37:04,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:37:04,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:37:04,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:37:04,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:37:04,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871732584] [2024-11-19 13:37:04,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871732584] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:37:04,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:37:04,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 13:37:04,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707372354] [2024-11-19 13:37:04,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:37:04,351 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 13:37:04,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:37:04,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 13:37:04,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 13:37:04,379 INFO L87 Difference]: Start difference. First operand has 449 states, 435 states have (on average 1.625287356321839) internal successors, (707), 442 states have internal predecessors, (707), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 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) [2024-11-19 13:37:04,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:37:04,466 INFO L93 Difference]: Finished difference Result 894 states and 1431 transitions. [2024-11-19 13:37:04,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 13:37:04,470 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 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 [2024-11-19 13:37:04,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:37:04,484 INFO L225 Difference]: With dead ends: 894 [2024-11-19 13:37:04,484 INFO L226 Difference]: Without dead ends: 403 [2024-11-19 13:37:04,491 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 13:37:04,495 INFO L432 NwaCegarLoop]: 638 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 638 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 13:37:04,497 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 638 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 13:37:04,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2024-11-19 13:37:04,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 403. [2024-11-19 13:37:04,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 391 states have (on average 1.4552429667519182) internal successors, (569), 397 states have internal predecessors, (569), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-19 13:37:04,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 577 transitions. [2024-11-19 13:37:04,567 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 577 transitions. Word has length 8 [2024-11-19 13:37:04,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:37:04,571 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 577 transitions. [2024-11-19 13:37:04,572 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 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) [2024-11-19 13:37:04,572 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 577 transitions. [2024-11-19 13:37:04,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-19 13:37:04,572 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:37:04,572 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:37:04,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 13:37:04,573 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-19 13:37:04,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:37:04,574 INFO L85 PathProgramCache]: Analyzing trace with hash -408356851, now seen corresponding path program 1 times [2024-11-19 13:37:04,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:37:04,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736848932] [2024-11-19 13:37:04,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:37:04,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:37:04,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 13:37:04,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [122928664] [2024-11-19 13:37:04,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:37:04,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:37:04,691 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:37:04,695 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 13:37:04,697 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 13:37:04,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:37:04,878 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-19 13:37:04,886 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 13:37:04,949 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-19 13:37:04,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:37:04,988 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 13:37:04,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:37:04,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736848932] [2024-11-19 13:37:04,989 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 13:37:04,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [122928664] [2024-11-19 13:37:04,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [122928664] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:37:04,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:37:04,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 13:37:04,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386274310] [2024-11-19 13:37:04,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:37:04,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 13:37:04,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:37:04,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 13:37:04,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 13:37:04,993 INFO L87 Difference]: Start difference. First operand 403 states and 577 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) [2024-11-19 13:37:05,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:37:05,173 INFO L93 Difference]: Finished difference Result 795 states and 1144 transitions. [2024-11-19 13:37:05,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 13:37:05,174 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 [2024-11-19 13:37:05,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:37:05,184 INFO L225 Difference]: With dead ends: 795 [2024-11-19 13:37:05,185 INFO L226 Difference]: Without dead ends: 793 [2024-11-19 13:37:05,191 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 13:37:05,193 INFO L432 NwaCegarLoop]: 597 mSDtfsCounter, 552 mSDsluCounter, 1144 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 556 SdHoareTripleChecker+Valid, 1741 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 13:37:05,194 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [556 Valid, 1741 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 13:37:05,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 793 states. [2024-11-19 13:37:05,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 793 to 409. [2024-11-19 13:37:05,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 397 states have (on average 1.45088161209068) internal successors, (576), 403 states have internal predecessors, (576), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-19 13:37:05,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 584 transitions. [2024-11-19 13:37:05,241 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 584 transitions. Word has length 8 [2024-11-19 13:37:05,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:37:05,241 INFO L471 AbstractCegarLoop]: Abstraction has 409 states and 584 transitions. [2024-11-19 13:37:05,241 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) [2024-11-19 13:37:05,242 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 584 transitions. [2024-11-19 13:37:05,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-19 13:37:05,248 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:37:05,249 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:37:05,267 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-19 13:37:05,453 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:37:05,455 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-19 13:37:05,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:37:05,456 INFO L85 PathProgramCache]: Analyzing trace with hash -1052288590, now seen corresponding path program 1 times [2024-11-19 13:37:05,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:37:05,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044684056] [2024-11-19 13:37:05,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:37:05,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:37:05,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:37:05,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:37:05,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:37:05,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044684056] [2024-11-19 13:37:05,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044684056] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:37:05,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:37:05,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 13:37:05,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157083483] [2024-11-19 13:37:05,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:37:05,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 13:37:05,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:37:05,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 13:37:05,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 13:37:05,838 INFO L87 Difference]: Start difference. First operand 409 states and 584 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 13:37:05,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:37:05,927 INFO L93 Difference]: Finished difference Result 604 states and 865 transitions. [2024-11-19 13:37:05,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 13:37:05,928 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 71 [2024-11-19 13:37:05,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:37:05,931 INFO L225 Difference]: With dead ends: 604 [2024-11-19 13:37:05,931 INFO L226 Difference]: Without dead ends: 412 [2024-11-19 13:37:05,932 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 13:37:05,935 INFO L432 NwaCegarLoop]: 549 mSDtfsCounter, 105 mSDsluCounter, 1005 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 1554 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 13:37:05,936 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 1554 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 13:37:05,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2024-11-19 13:37:05,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 409. [2024-11-19 13:37:05,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 397 states have (on average 1.433249370277078) internal successors, (569), 403 states have internal predecessors, (569), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-19 13:37:05,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 577 transitions. [2024-11-19 13:37:05,954 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 577 transitions. Word has length 71 [2024-11-19 13:37:05,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:37:05,954 INFO L471 AbstractCegarLoop]: Abstraction has 409 states and 577 transitions. [2024-11-19 13:37:05,955 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 13:37:05,955 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 577 transitions. [2024-11-19 13:37:05,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-19 13:37:05,958 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:37:05,958 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:37:05,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 13:37:05,959 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-19 13:37:05,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:37:05,960 INFO L85 PathProgramCache]: Analyzing trace with hash 1408941734, now seen corresponding path program 1 times [2024-11-19 13:37:05,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:37:05,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191446133] [2024-11-19 13:37:05,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:37:05,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:37:06,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:37:06,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:37:06,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:37:06,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191446133] [2024-11-19 13:37:06,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191446133] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:37:06,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:37:06,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 13:37:06,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015113858] [2024-11-19 13:37:06,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:37:06,119 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 13:37:06,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:37:06,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 13:37:06,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 13:37:06,120 INFO L87 Difference]: Start difference. First operand 409 states and 577 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 13:37:06,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:37:06,139 INFO L93 Difference]: Finished difference Result 601 states and 848 transitions. [2024-11-19 13:37:06,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 13:37:06,140 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 71 [2024-11-19 13:37:06,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:37:06,143 INFO L225 Difference]: With dead ends: 601 [2024-11-19 13:37:06,143 INFO L226 Difference]: Without dead ends: 404 [2024-11-19 13:37:06,145 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 13:37:06,146 INFO L432 NwaCegarLoop]: 568 mSDtfsCounter, 0 mSDsluCounter, 1131 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1699 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 13:37:06,147 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1699 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 13:37:06,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2024-11-19 13:37:06,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 404. [2024-11-19 13:37:06,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 394 states have (on average 1.4340101522842639) internal successors, (565), 399 states have internal predecessors, (565), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 13:37:06,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 571 transitions. [2024-11-19 13:37:06,162 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 571 transitions. Word has length 71 [2024-11-19 13:37:06,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:37:06,163 INFO L471 AbstractCegarLoop]: Abstraction has 404 states and 571 transitions. [2024-11-19 13:37:06,163 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 13:37:06,163 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 571 transitions. [2024-11-19 13:37:06,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-19 13:37:06,165 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:37:06,166 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:37:06,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 13:37:06,166 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-19 13:37:06,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:37:06,167 INFO L85 PathProgramCache]: Analyzing trace with hash -1797250841, now seen corresponding path program 1 times [2024-11-19 13:37:06,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:37:06,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162261270] [2024-11-19 13:37:06,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:37:06,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:37:06,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:37:06,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:37:06,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:37:06,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162261270] [2024-11-19 13:37:06,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162261270] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:37:06,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:37:06,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 13:37:06,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629478893] [2024-11-19 13:37:06,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:37:06,316 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 13:37:06,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:37:06,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 13:37:06,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 13:37:06,318 INFO L87 Difference]: Start difference. First operand 404 states and 571 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:37:06,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:37:06,355 INFO L93 Difference]: Finished difference Result 598 states and 844 transitions. [2024-11-19 13:37:06,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 13:37:06,356 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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 72 [2024-11-19 13:37:06,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:37:06,359 INFO L225 Difference]: With dead ends: 598 [2024-11-19 13:37:06,359 INFO L226 Difference]: Without dead ends: 404 [2024-11-19 13:37:06,359 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 13:37:06,360 INFO L432 NwaCegarLoop]: 563 mSDtfsCounter, 15 mSDsluCounter, 537 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 1100 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 13:37:06,361 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 1100 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 13:37:06,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2024-11-19 13:37:06,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 404. [2024-11-19 13:37:06,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 394 states have (on average 1.4238578680203047) internal successors, (561), 399 states have internal predecessors, (561), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 13:37:06,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 567 transitions. [2024-11-19 13:37:06,372 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 567 transitions. Word has length 72 [2024-11-19 13:37:06,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:37:06,372 INFO L471 AbstractCegarLoop]: Abstraction has 404 states and 567 transitions. [2024-11-19 13:37:06,373 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:37:06,373 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 567 transitions. [2024-11-19 13:37:06,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-19 13:37:06,375 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:37:06,375 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:37:06,375 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 13:37:06,378 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)] === [2024-11-19 13:37:06,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:37:06,378 INFO L85 PathProgramCache]: Analyzing trace with hash 508941033, now seen corresponding path program 1 times [2024-11-19 13:37:06,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:37:06,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619866799] [2024-11-19 13:37:06,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:37:06,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:37:06,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:37:06,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:37:06,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:37:06,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619866799] [2024-11-19 13:37:06,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619866799] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:37:06,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:37:06,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 13:37:06,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376831704] [2024-11-19 13:37:06,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:37:06,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 13:37:06,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:37:06,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 13:37:06,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 13:37:06,662 INFO L87 Difference]: Start difference. First operand 404 states and 567 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:37:06,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:37:06,771 INFO L93 Difference]: Finished difference Result 757 states and 1058 transitions. [2024-11-19 13:37:06,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 13:37:06,771 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2024-11-19 13:37:06,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:37:06,775 INFO L225 Difference]: With dead ends: 757 [2024-11-19 13:37:06,775 INFO L226 Difference]: Without dead ends: 362 [2024-11-19 13:37:06,776 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 13:37:06,778 INFO L432 NwaCegarLoop]: 455 mSDtfsCounter, 36 mSDsluCounter, 896 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 1351 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 13:37:06,779 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 1351 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 13:37:06,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2024-11-19 13:37:06,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 362. [2024-11-19 13:37:06,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 352 states have (on average 1.375) internal successors, (484), 357 states have internal predecessors, (484), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 13:37:06,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 490 transitions. [2024-11-19 13:37:06,789 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 490 transitions. Word has length 82 [2024-11-19 13:37:06,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:37:06,790 INFO L471 AbstractCegarLoop]: Abstraction has 362 states and 490 transitions. [2024-11-19 13:37:06,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:37:06,791 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 490 transitions. [2024-11-19 13:37:06,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-19 13:37:06,792 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:37:06,792 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:37:06,793 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 13:37:06,793 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)] === [2024-11-19 13:37:06,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:37:06,794 INFO L85 PathProgramCache]: Analyzing trace with hash 733475413, now seen corresponding path program 1 times [2024-11-19 13:37:06,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:37:06,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549391112] [2024-11-19 13:37:06,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:37:06,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:37:06,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:37:06,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:37:06,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:37:06,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549391112] [2024-11-19 13:37:06,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549391112] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:37:06,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:37:06,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 13:37:06,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626188868] [2024-11-19 13:37:06,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:37:06,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 13:37:06,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:37:06,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 13:37:06,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 13:37:06,939 INFO L87 Difference]: Start difference. First operand 362 states and 490 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:37:07,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:37:07,006 INFO L93 Difference]: Finished difference Result 709 states and 964 transitions. [2024-11-19 13:37:07,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 13:37:07,007 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2024-11-19 13:37:07,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:37:07,008 INFO L225 Difference]: With dead ends: 709 [2024-11-19 13:37:07,009 INFO L226 Difference]: Without dead ends: 356 [2024-11-19 13:37:07,009 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 13:37:07,013 INFO L432 NwaCegarLoop]: 457 mSDtfsCounter, 9 mSDsluCounter, 895 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1352 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 13:37:07,013 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1352 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 13:37:07,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2024-11-19 13:37:07,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 356. [2024-11-19 13:37:07,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 346 states have (on average 1.369942196531792) internal successors, (474), 351 states have internal predecessors, (474), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 13:37:07,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 480 transitions. [2024-11-19 13:37:07,028 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 480 transitions. Word has length 82 [2024-11-19 13:37:07,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:37:07,028 INFO L471 AbstractCegarLoop]: Abstraction has 356 states and 480 transitions. [2024-11-19 13:37:07,028 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:37:07,029 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 480 transitions. [2024-11-19 13:37:07,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-19 13:37:07,030 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:37:07,030 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:37:07,030 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 13:37:07,030 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-19 13:37:07,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:37:07,031 INFO L85 PathProgramCache]: Analyzing trace with hash 1156001885, now seen corresponding path program 1 times [2024-11-19 13:37:07,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:37:07,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705991482] [2024-11-19 13:37:07,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:37:07,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:37:07,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:37:07,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:37:07,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:37:07,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705991482] [2024-11-19 13:37:07,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705991482] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:37:07,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:37:07,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 13:37:07,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969433551] [2024-11-19 13:37:07,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:37:07,166 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 13:37:07,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:37:07,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 13:37:07,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 13:37:07,166 INFO L87 Difference]: Start difference. First operand 356 states and 480 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:37:07,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:37:07,267 INFO L93 Difference]: Finished difference Result 920 states and 1254 transitions. [2024-11-19 13:37:07,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 13:37:07,268 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2024-11-19 13:37:07,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:37:07,271 INFO L225 Difference]: With dead ends: 920 [2024-11-19 13:37:07,274 INFO L226 Difference]: Without dead ends: 443 [2024-11-19 13:37:07,276 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 13:37:07,276 INFO L432 NwaCegarLoop]: 472 mSDtfsCounter, 251 mSDsluCounter, 450 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 922 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 13:37:07,277 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 922 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 13:37:07,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2024-11-19 13:37:07,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 441. [2024-11-19 13:37:07,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 431 states have (on average 1.359628770301624) internal successors, (586), 436 states have internal predecessors, (586), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 13:37:07,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 592 transitions. [2024-11-19 13:37:07,290 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 592 transitions. Word has length 82 [2024-11-19 13:37:07,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:37:07,291 INFO L471 AbstractCegarLoop]: Abstraction has 441 states and 592 transitions. [2024-11-19 13:37:07,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:37:07,291 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 592 transitions. [2024-11-19 13:37:07,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-19 13:37:07,295 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:37:07,295 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:37:07,295 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 13:37:07,296 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-19 13:37:07,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:37:07,297 INFO L85 PathProgramCache]: Analyzing trace with hash 1594132466, now seen corresponding path program 1 times [2024-11-19 13:37:07,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:37:07,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678397780] [2024-11-19 13:37:07,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:37:07,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:37:07,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:37:07,790 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 13:37:07,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:37:07,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678397780] [2024-11-19 13:37:07,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678397780] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:37:07,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:37:07,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 13:37:07,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016321035] [2024-11-19 13:37:07,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:37:07,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 13:37:07,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:37:07,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 13:37:07,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 13:37:07,793 INFO L87 Difference]: Start difference. First operand 441 states and 592 transitions. Second operand has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 states have internal predecessors, (90), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 13:37:08,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:37:08,014 INFO L93 Difference]: Finished difference Result 700 states and 946 transitions. [2024-11-19 13:37:08,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 13:37:08,015 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 states have internal predecessors, (90), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 97 [2024-11-19 13:37:08,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:37:08,018 INFO L225 Difference]: With dead ends: 700 [2024-11-19 13:37:08,018 INFO L226 Difference]: Without dead ends: 698 [2024-11-19 13:37:08,021 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 13:37:08,022 INFO L432 NwaCegarLoop]: 459 mSDtfsCounter, 368 mSDsluCounter, 910 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 369 SdHoareTripleChecker+Valid, 1369 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 13:37:08,023 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [369 Valid, 1369 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 13:37:08,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 698 states. [2024-11-19 13:37:08,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 698 to 505. [2024-11-19 13:37:08,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 505 states, 492 states have (on average 1.3495934959349594) internal successors, (664), 497 states have internal predecessors, (664), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-19 13:37:08,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 676 transitions. [2024-11-19 13:37:08,037 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 676 transitions. Word has length 97 [2024-11-19 13:37:08,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:37:08,038 INFO L471 AbstractCegarLoop]: Abstraction has 505 states and 676 transitions. [2024-11-19 13:37:08,038 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 states have internal predecessors, (90), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 13:37:08,038 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 676 transitions. [2024-11-19 13:37:08,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-19 13:37:08,039 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:37:08,040 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:37:08,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-19 13:37:08,040 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-19 13:37:08,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:37:08,041 INFO L85 PathProgramCache]: Analyzing trace with hash -551762479, now seen corresponding path program 1 times [2024-11-19 13:37:08,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:37:08,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56843354] [2024-11-19 13:37:08,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:37:08,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:37:08,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:37:08,684 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 13:37:08,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:37:08,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56843354] [2024-11-19 13:37:08,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56843354] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 13:37:08,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [193511200] [2024-11-19 13:37:08,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:37:08,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:37:08,685 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:37:08,687 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 13:37:08,688 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-19 13:37:09,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:37:09,091 INFO L255 TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-19 13:37:09,097 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 13:37:09,103 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-19 13:37:09,121 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-19 13:37:09,142 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-11-19 13:37:09,765 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-19 13:37:09,765 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 41 [2024-11-19 13:37:10,273 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 13:37:10,278 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 13:37:10,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [193511200] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:37:10,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 13:37:10,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [4] total 13 [2024-11-19 13:37:10,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170611318] [2024-11-19 13:37:10,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:37:10,279 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 13:37:10,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:37:10,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 13:37:10,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-11-19 13:37:10,280 INFO L87 Difference]: Start difference. First operand 505 states and 676 transitions. Second operand has 11 states, 11 states have (on average 8.727272727272727) internal successors, (96), 11 states have internal predecessors, (96), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 13:37:11,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:37:11,495 INFO L93 Difference]: Finished difference Result 1162 states and 1576 transitions. [2024-11-19 13:37:11,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-19 13:37:11,496 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.727272727272727) internal successors, (96), 11 states have internal predecessors, (96), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 103 [2024-11-19 13:37:11,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:37:11,499 INFO L225 Difference]: With dead ends: 1162 [2024-11-19 13:37:11,499 INFO L226 Difference]: Without dead ends: 698 [2024-11-19 13:37:11,500 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=90, Invalid=330, Unknown=0, NotChecked=0, Total=420 [2024-11-19 13:37:11,500 INFO L432 NwaCegarLoop]: 443 mSDtfsCounter, 550 mSDsluCounter, 1985 mSDsCounter, 0 mSdLazyCounter, 454 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 552 SdHoareTripleChecker+Valid, 2428 SdHoareTripleChecker+Invalid, 459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 454 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-19 13:37:11,501 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [552 Valid, 2428 Invalid, 459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 454 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-19 13:37:11,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 698 states. [2024-11-19 13:37:11,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 698 to 505. [2024-11-19 13:37:11,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 505 states, 492 states have (on average 1.3475609756097562) internal successors, (663), 497 states have internal predecessors, (663), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-19 13:37:11,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 675 transitions. [2024-11-19 13:37:11,514 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 675 transitions. Word has length 103 [2024-11-19 13:37:11,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:37:11,515 INFO L471 AbstractCegarLoop]: Abstraction has 505 states and 675 transitions. [2024-11-19 13:37:11,515 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.727272727272727) internal successors, (96), 11 states have internal predecessors, (96), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 13:37:11,515 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 675 transitions. [2024-11-19 13:37:11,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-19 13:37:11,516 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:37:11,516 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:37:11,536 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-19 13:37:11,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-19 13:37:11,717 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-19 13:37:11,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:37:11,718 INFO L85 PathProgramCache]: Analyzing trace with hash 272772246, now seen corresponding path program 1 times [2024-11-19 13:37:11,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:37:11,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083910330] [2024-11-19 13:37:11,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:37:11,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:37:12,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:37:12,209 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 13:37:12,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:37:12,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083910330] [2024-11-19 13:37:12,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083910330] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 13:37:12,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [292612356] [2024-11-19 13:37:12,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:37:12,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:37:12,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:37:12,213 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 13:37:12,216 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-19 13:37:12,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:37:12,917 INFO L255 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-19 13:37:12,930 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 13:37:12,936 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-19 13:37:12,955 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-19 13:37:12,972 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-11-19 13:37:13,779 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 13:37:13,779 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 13:37:13,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [292612356] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:37:13,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 13:37:13,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4] total 14 [2024-11-19 13:37:13,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423461473] [2024-11-19 13:37:13,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:37:13,781 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-19 13:37:13,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:37:13,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-19 13:37:13,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2024-11-19 13:37:13,782 INFO L87 Difference]: Start difference. First operand 505 states and 675 transitions. Second operand has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 12 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 13:37:15,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:37:15,185 INFO L93 Difference]: Finished difference Result 1162 states and 1575 transitions. [2024-11-19 13:37:15,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-19 13:37:15,186 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 12 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 104 [2024-11-19 13:37:15,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:37:15,189 INFO L225 Difference]: With dead ends: 1162 [2024-11-19 13:37:15,189 INFO L226 Difference]: Without dead ends: 703 [2024-11-19 13:37:15,190 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2024-11-19 13:37:15,191 INFO L432 NwaCegarLoop]: 438 mSDtfsCounter, 600 mSDsluCounter, 2663 mSDsCounter, 0 mSdLazyCounter, 674 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 602 SdHoareTripleChecker+Valid, 3101 SdHoareTripleChecker+Invalid, 681 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 674 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-19 13:37:15,191 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [602 Valid, 3101 Invalid, 681 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 674 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-19 13:37:15,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 703 states. [2024-11-19 13:37:15,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 703 to 509. [2024-11-19 13:37:15,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 509 states, 496 states have (on average 1.346774193548387) internal successors, (668), 501 states have internal predecessors, (668), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-19 13:37:15,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 509 states and 680 transitions. [2024-11-19 13:37:15,207 INFO L78 Accepts]: Start accepts. Automaton has 509 states and 680 transitions. Word has length 104 [2024-11-19 13:37:15,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:37:15,207 INFO L471 AbstractCegarLoop]: Abstraction has 509 states and 680 transitions. [2024-11-19 13:37:15,207 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 12 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 13:37:15,207 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 680 transitions. [2024-11-19 13:37:15,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-19 13:37:15,208 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:37:15,208 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:37:15,230 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-19 13:37:15,412 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:37:15,413 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-19 13:37:15,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:37:15,413 INFO L85 PathProgramCache]: Analyzing trace with hash 1858364293, now seen corresponding path program 1 times [2024-11-19 13:37:15,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:37:15,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740603181] [2024-11-19 13:37:15,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:37:15,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:37:15,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:37:15,872 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 13:37:15,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:37:15,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740603181] [2024-11-19 13:37:15,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740603181] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:37:15,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:37:15,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 13:37:15,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951596551] [2024-11-19 13:37:15,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:37:15,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 13:37:15,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:37:15,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 13:37:15,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 13:37:15,875 INFO L87 Difference]: Start difference. First operand 509 states and 680 transitions. Second operand has 7 states, 7 states have (on average 14.0) internal successors, (98), 7 states have internal predecessors, (98), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 13:37:16,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:37:16,185 INFO L93 Difference]: Finished difference Result 973 states and 1312 transitions. [2024-11-19 13:37:16,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 13:37:16,186 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 7 states have internal predecessors, (98), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 105 [2024-11-19 13:37:16,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:37:16,188 INFO L225 Difference]: With dead ends: 973 [2024-11-19 13:37:16,189 INFO L226 Difference]: Without dead ends: 519 [2024-11-19 13:37:16,189 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 13:37:16,190 INFO L432 NwaCegarLoop]: 452 mSDtfsCounter, 10 mSDsluCounter, 1944 mSDsCounter, 0 mSdLazyCounter, 404 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 2396 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 13:37:16,190 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 2396 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 404 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 13:37:16,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2024-11-19 13:37:16,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 517. [2024-11-19 13:37:16,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 517 states, 504 states have (on average 1.3452380952380953) internal successors, (678), 509 states have internal predecessors, (678), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-19 13:37:16,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 690 transitions. [2024-11-19 13:37:16,205 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 690 transitions. Word has length 105 [2024-11-19 13:37:16,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:37:16,205 INFO L471 AbstractCegarLoop]: Abstraction has 517 states and 690 transitions. [2024-11-19 13:37:16,205 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 7 states have internal predecessors, (98), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 13:37:16,205 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 690 transitions. [2024-11-19 13:37:16,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-19 13:37:16,206 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:37:16,206 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:37:16,207 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-19 13:37:16,207 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-19 13:37:16,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:37:16,207 INFO L85 PathProgramCache]: Analyzing trace with hash 381110028, now seen corresponding path program 1 times [2024-11-19 13:37:16,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:37:16,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486103661] [2024-11-19 13:37:16,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:37:16,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:37:16,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:37:16,542 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 13:37:16,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:37:16,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486103661] [2024-11-19 13:37:16,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486103661] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:37:16,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:37:16,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-19 13:37:16,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285603325] [2024-11-19 13:37:16,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:37:16,545 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 13:37:16,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:37:16,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 13:37:16,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-19 13:37:16,547 INFO L87 Difference]: Start difference. First operand 517 states and 690 transitions. Second operand has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 13:37:16,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:37:16,772 INFO L93 Difference]: Finished difference Result 988 states and 1332 transitions. [2024-11-19 13:37:16,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 13:37:16,773 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 105 [2024-11-19 13:37:16,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:37:16,775 INFO L225 Difference]: With dead ends: 988 [2024-11-19 13:37:16,775 INFO L226 Difference]: Without dead ends: 523 [2024-11-19 13:37:16,776 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-19 13:37:16,777 INFO L432 NwaCegarLoop]: 464 mSDtfsCounter, 5 mSDsluCounter, 1185 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 1649 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 13:37:16,777 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 1649 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 13:37:16,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523 states. [2024-11-19 13:37:16,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523 to 523. [2024-11-19 13:37:16,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 523 states, 510 states have (on average 1.3411764705882352) internal successors, (684), 515 states have internal predecessors, (684), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-19 13:37:16,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 696 transitions. [2024-11-19 13:37:16,790 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 696 transitions. Word has length 105 [2024-11-19 13:37:16,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:37:16,791 INFO L471 AbstractCegarLoop]: Abstraction has 523 states and 696 transitions. [2024-11-19 13:37:16,791 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 13:37:16,791 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 696 transitions. [2024-11-19 13:37:16,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-19 13:37:16,792 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:37:16,792 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:37:16,792 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-19 13:37:16,793 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-19 13:37:16,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:37:16,793 INFO L85 PathProgramCache]: Analyzing trace with hash -606468982, now seen corresponding path program 1 times [2024-11-19 13:37:16,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:37:16,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917365970] [2024-11-19 13:37:16,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:37:16,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:37:17,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:37:17,229 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 13:37:17,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:37:17,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917365970] [2024-11-19 13:37:17,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917365970] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 13:37:17,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [342766203] [2024-11-19 13:37:17,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:37:17,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:37:17,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:37:17,232 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 13:37:17,233 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-19 13:37:17,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:37:17,616 INFO L255 TraceCheckSpWp]: Trace formula consists of 614 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-19 13:37:17,622 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 13:37:17,716 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 13:37:17,717 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 13:37:17,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [342766203] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:37:17,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 13:37:17,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [4] total 9 [2024-11-19 13:37:17,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328183827] [2024-11-19 13:37:17,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:37:17,718 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 13:37:17,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:37:17,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 13:37:17,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-19 13:37:17,722 INFO L87 Difference]: Start difference. First operand 523 states and 696 transitions. Second operand has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 7 states have internal predecessors, (99), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 13:37:18,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:37:18,129 INFO L93 Difference]: Finished difference Result 1004 states and 1350 transitions. [2024-11-19 13:37:18,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 13:37:18,130 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 7 states have internal predecessors, (99), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 106 [2024-11-19 13:37:18,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:37:18,133 INFO L225 Difference]: With dead ends: 1004 [2024-11-19 13:37:18,133 INFO L226 Difference]: Without dead ends: 529 [2024-11-19 13:37:18,135 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-19 13:37:18,136 INFO L432 NwaCegarLoop]: 453 mSDtfsCounter, 34 mSDsluCounter, 1971 mSDsCounter, 0 mSdLazyCounter, 378 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 2424 SdHoareTripleChecker+Invalid, 383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 13:37:18,137 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 2424 Invalid, 383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 378 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 13:37:18,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2024-11-19 13:37:18,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 523. [2024-11-19 13:37:18,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 523 states, 510 states have (on average 1.3352941176470587) internal successors, (681), 515 states have internal predecessors, (681), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-19 13:37:18,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 693 transitions. [2024-11-19 13:37:18,151 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 693 transitions. Word has length 106 [2024-11-19 13:37:18,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:37:18,151 INFO L471 AbstractCegarLoop]: Abstraction has 523 states and 693 transitions. [2024-11-19 13:37:18,152 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 7 states have internal predecessors, (99), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 13:37:18,152 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 693 transitions. [2024-11-19 13:37:18,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-19 13:37:18,153 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:37:18,153 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:37:18,169 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-19 13:37:18,354 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:37:18,354 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-19 13:37:18,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:37:18,355 INFO L85 PathProgramCache]: Analyzing trace with hash 494146483, now seen corresponding path program 1 times [2024-11-19 13:37:18,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:37:18,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105161379] [2024-11-19 13:37:18,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:37:18,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:37:18,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:37:18,702 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 13:37:18,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:37:18,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105161379] [2024-11-19 13:37:18,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105161379] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 13:37:18,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1193998977] [2024-11-19 13:37:18,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:37:18,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:37:18,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:37:18,705 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 13:37:18,708 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-19 13:37:19,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:37:19,116 INFO L255 TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-19 13:37:19,120 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 13:37:19,127 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-19 13:37:19,172 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:37:19,173 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 13:37:19,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1193998977] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:37:19,173 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 13:37:19,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [4] total 7 [2024-11-19 13:37:19,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485653662] [2024-11-19 13:37:19,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:37:19,174 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 13:37:19,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:37:19,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 13:37:19,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-19 13:37:19,175 INFO L87 Difference]: Start difference. First operand 523 states and 693 transitions. Second operand has 6 states, 6 states have (on average 17.0) internal successors, (102), 6 states have internal predecessors, (102), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 13:37:19,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:37:19,346 INFO L93 Difference]: Finished difference Result 949 states and 1268 transitions. [2024-11-19 13:37:19,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 13:37:19,347 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.0) internal successors, (102), 6 states have internal predecessors, (102), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 106 [2024-11-19 13:37:19,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:37:19,351 INFO L225 Difference]: With dead ends: 949 [2024-11-19 13:37:19,351 INFO L226 Difference]: Without dead ends: 526 [2024-11-19 13:37:19,352 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-19 13:37:19,352 INFO L432 NwaCegarLoop]: 464 mSDtfsCounter, 187 mSDsluCounter, 1829 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 2293 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 13:37:19,353 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 2293 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 13:37:19,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2024-11-19 13:37:19,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 526. [2024-11-19 13:37:19,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 526 states, 512 states have (on average 1.3359375) internal successors, (684), 518 states have internal predecessors, (684), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2024-11-19 13:37:19,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 698 transitions. [2024-11-19 13:37:19,369 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 698 transitions. Word has length 106 [2024-11-19 13:37:19,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:37:19,370 INFO L471 AbstractCegarLoop]: Abstraction has 526 states and 698 transitions. [2024-11-19 13:37:19,370 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.0) internal successors, (102), 6 states have internal predecessors, (102), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 13:37:19,370 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 698 transitions. [2024-11-19 13:37:19,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-19 13:37:19,371 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:37:19,371 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:37:19,392 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-19 13:37:19,571 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-19 13:37:19,572 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-19 13:37:19,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:37:19,573 INFO L85 PathProgramCache]: Analyzing trace with hash 548263633, now seen corresponding path program 1 times [2024-11-19 13:37:19,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:37:19,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631428844] [2024-11-19 13:37:19,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:37:19,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:37:19,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:37:20,048 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-19 13:37:20,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:37:20,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631428844] [2024-11-19 13:37:20,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [631428844] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 13:37:20,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [619679577] [2024-11-19 13:37:20,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:37:20,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:37:20,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:37:20,051 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 13:37:20,053 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-19 13:37:20,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:37:20,516 INFO L255 TraceCheckSpWp]: Trace formula consists of 641 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-19 13:37:20,521 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 13:37:20,529 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-19 13:37:20,947 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 13:37:20,948 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 13:37:21,288 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-19 13:37:21,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [619679577] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 13:37:21,288 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 13:37:21,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7, 9] total 17 [2024-11-19 13:37:21,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881239781] [2024-11-19 13:37:21,289 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 13:37:21,289 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-19 13:37:21,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:37:21,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-19 13:37:21,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2024-11-19 13:37:21,290 INFO L87 Difference]: Start difference. First operand 526 states and 698 transitions. Second operand has 17 states, 17 states have (on average 12.176470588235293) internal successors, (207), 16 states have internal predecessors, (207), 4 states have call successors, (5), 3 states have call predecessors, (5), 5 states have return successors, (6), 2 states have call predecessors, (6), 4 states have call successors, (6) [2024-11-19 13:37:25,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-19 13:37:29,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-19 13:37:33,962 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-19 13:37:37,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-19 13:37:41,985 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-19 13:37:42,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:37:42,062 INFO L93 Difference]: Finished difference Result 1239 states and 1665 transitions. [2024-11-19 13:37:42,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-19 13:37:42,062 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.176470588235293) internal successors, (207), 16 states have internal predecessors, (207), 4 states have call successors, (5), 3 states have call predecessors, (5), 5 states have return successors, (6), 2 states have call predecessors, (6), 4 states have call successors, (6) Word has length 108 [2024-11-19 13:37:42,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:37:42,065 INFO L225 Difference]: With dead ends: 1239 [2024-11-19 13:37:42,065 INFO L226 Difference]: Without dead ends: 811 [2024-11-19 13:37:42,066 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2024-11-19 13:37:42,066 INFO L432 NwaCegarLoop]: 531 mSDtfsCounter, 699 mSDsluCounter, 4178 mSDsCounter, 0 mSdLazyCounter, 394 mSolverCounterSat, 47 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 702 SdHoareTripleChecker+Valid, 4709 SdHoareTripleChecker+Invalid, 446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 394 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.5s IncrementalHoareTripleChecker+Time [2024-11-19 13:37:42,067 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [702 Valid, 4709 Invalid, 446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 394 Invalid, 5 Unknown, 0 Unchecked, 20.5s Time] [2024-11-19 13:37:42,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 811 states. [2024-11-19 13:37:42,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 811 to 615. [2024-11-19 13:37:42,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 615 states, 594 states have (on average 1.34006734006734) internal successors, (796), 601 states have internal predecessors, (796), 8 states have call successors, (8), 4 states have call predecessors, (8), 7 states have return successors, (12), 9 states have call predecessors, (12), 8 states have call successors, (12) [2024-11-19 13:37:42,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 615 states and 816 transitions. [2024-11-19 13:37:42,093 INFO L78 Accepts]: Start accepts. Automaton has 615 states and 816 transitions. Word has length 108 [2024-11-19 13:37:42,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:37:42,093 INFO L471 AbstractCegarLoop]: Abstraction has 615 states and 816 transitions. [2024-11-19 13:37:42,094 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.176470588235293) internal successors, (207), 16 states have internal predecessors, (207), 4 states have call successors, (5), 3 states have call predecessors, (5), 5 states have return successors, (6), 2 states have call predecessors, (6), 4 states have call successors, (6) [2024-11-19 13:37:42,094 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 816 transitions. [2024-11-19 13:37:42,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-19 13:37:42,095 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:37:42,095 INFO L215 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:37:42,117 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-19 13:37:42,296 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-19 13:37:42,297 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-19 13:37:42,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:37:42,297 INFO L85 PathProgramCache]: Analyzing trace with hash -1522090061, now seen corresponding path program 2 times [2024-11-19 13:37:42,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:37:42,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780084461] [2024-11-19 13:37:42,297 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 13:37:42,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:37:42,441 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 13:37:42,441 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:37:42,801 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 5 proven. 27 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 13:37:42,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:37:42,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780084461] [2024-11-19 13:37:42,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780084461] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 13:37:42,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [629987957] [2024-11-19 13:37:42,802 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 13:37:42,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:37:42,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:37:42,804 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 13:37:42,805 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-19 13:37:43,182 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 13:37:43,183 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:37:43,184 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 13:37:43,187 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 13:37:43,194 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-19 13:37:43,204 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-11-19 13:37:43,205 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 13:37:43,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [629987957] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:37:43,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 13:37:43,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [8] total 9 [2024-11-19 13:37:43,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591370981] [2024-11-19 13:37:43,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:37:43,207 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 13:37:43,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:37:43,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 13:37:43,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-19 13:37:43,208 INFO L87 Difference]: Start difference. First operand 615 states and 816 transitions. Second operand has 3 states, 2 states have (on average 48.5) internal successors, (97), 3 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 13:37:43,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:37:43,230 INFO L93 Difference]: Finished difference Result 615 states and 816 transitions. [2024-11-19 13:37:43,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 13:37:43,231 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 48.5) internal successors, (97), 3 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 112 [2024-11-19 13:37:43,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:37:43,234 INFO L225 Difference]: With dead ends: 615 [2024-11-19 13:37:43,234 INFO L226 Difference]: Without dead ends: 614 [2024-11-19 13:37:43,234 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-19 13:37:43,235 INFO L432 NwaCegarLoop]: 468 mSDtfsCounter, 1 mSDsluCounter, 466 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 934 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 13:37:43,235 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 934 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 13:37:43,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 614 states. [2024-11-19 13:37:43,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 614 to 614. [2024-11-19 13:37:43,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 614 states, 594 states have (on average 1.3383838383838385) internal successors, (795), 600 states have internal predecessors, (795), 8 states have call successors, (8), 4 states have call predecessors, (8), 7 states have return successors, (12), 9 states have call predecessors, (12), 8 states have call successors, (12) [2024-11-19 13:37:43,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 815 transitions. [2024-11-19 13:37:43,258 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 815 transitions. Word has length 112 [2024-11-19 13:37:43,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:37:43,259 INFO L471 AbstractCegarLoop]: Abstraction has 614 states and 815 transitions. [2024-11-19 13:37:43,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 48.5) internal successors, (97), 3 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 13:37:43,259 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 815 transitions. [2024-11-19 13:37:43,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-19 13:37:43,260 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:37:43,260 INFO L215 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:37:43,278 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-19 13:37:43,461 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:37:43,461 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-19 13:37:43,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:37:43,461 INFO L85 PathProgramCache]: Analyzing trace with hash 59848446, now seen corresponding path program 1 times [2024-11-19 13:37:43,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:37:43,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041386761] [2024-11-19 13:37:43,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:37:43,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:37:43,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:37:43,954 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 6 proven. 27 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 13:37:43,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:37:43,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041386761] [2024-11-19 13:37:43,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1041386761] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 13:37:43,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1856683517] [2024-11-19 13:37:43,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:37:43,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:37:43,955 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:37:43,957 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 13:37:43,958 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-19 13:37:44,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:37:44,712 INFO L255 TraceCheckSpWp]: Trace formula consists of 702 conjuncts, 114 conjuncts are in the unsatisfiable core [2024-11-19 13:37:44,720 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 13:37:44,729 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-19 13:37:44,978 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-11-19 13:37:44,999 INFO L349 Elim1Store]: treesize reduction 30, result has 34.8 percent of original size [2024-11-19 13:37:44,999 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 33 [2024-11-19 13:37:45,069 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2024-11-19 13:37:45,227 INFO L349 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2024-11-19 13:37:45,227 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 41