./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test2-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test2-1.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 e277983cfe4b30513b023d34f2b840358d8a25fd7a5c39241cadd105379bfb92 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 21:33:09,245 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 21:33:09,316 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-20 21:33:09,322 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 21:33:09,324 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 21:33:09,348 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 21:33:09,348 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 21:33:09,349 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 21:33:09,350 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 21:33:09,351 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 21:33:09,352 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 21:33:09,352 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 21:33:09,353 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 21:33:09,353 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 21:33:09,354 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 21:33:09,357 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 21:33:09,357 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 21:33:09,357 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 21:33:09,358 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 21:33:09,358 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 21:33:09,358 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 21:33:09,359 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 21:33:09,359 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 21:33:09,359 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 21:33:09,359 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 21:33:09,361 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-20 21:33:09,362 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 21:33:09,362 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 21:33:09,362 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 21:33:09,362 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 21:33:09,363 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 21:33:09,363 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 21:33:09,363 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 21:33:09,363 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 21:33:09,363 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 21:33:09,364 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 21:33:09,364 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 21:33:09,365 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 21:33:09,365 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 21:33:09,366 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 21:33:09,366 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 21:33:09,367 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 21:33:09,367 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 21:33:09,367 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 21:33:09,368 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e277983cfe4b30513b023d34f2b840358d8a25fd7a5c39241cadd105379bfb92 [2024-11-20 21:33:09,652 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 21:33:09,682 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 21:33:09,684 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 21:33:09,685 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 21:33:09,686 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 21:33:09,687 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test2-1.i [2024-11-20 21:33:11,118 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 21:33:11,428 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 21:33:11,430 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test2-1.i [2024-11-20 21:33:11,449 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8466dc9b0/09c2e93282374d9faf9e207b374f75a2/FLAGf2ede175c [2024-11-20 21:33:11,699 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8466dc9b0/09c2e93282374d9faf9e207b374f75a2 [2024-11-20 21:33:11,702 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 21:33:11,703 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 21:33:11,705 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 21:33:11,705 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 21:33:11,711 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 21:33:11,712 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:33:11" (1/1) ... [2024-11-20 21:33:11,713 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55cbe351 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:33:11, skipping insertion in model container [2024-11-20 21:33:11,713 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:33:11" (1/1) ... [2024-11-20 21:33:11,779 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 21:33:12,287 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 21:33:12,297 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 21:33:12,401 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 21:33:12,454 INFO L204 MainTranslator]: Completed translation [2024-11-20 21:33:12,455 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:33:12 WrapperNode [2024-11-20 21:33:12,455 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 21:33:12,460 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 21:33:12,460 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 21:33:12,460 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 21:33:12,467 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:33:12" (1/1) ... [2024-11-20 21:33:12,493 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:33:12" (1/1) ... [2024-11-20 21:33:12,570 INFO L138 Inliner]: procedures = 207, calls = 222, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1285 [2024-11-20 21:33:12,571 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 21:33:12,572 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 21:33:12,572 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 21:33:12,572 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 21:33:12,582 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:33:12" (1/1) ... [2024-11-20 21:33:12,583 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:33:12" (1/1) ... [2024-11-20 21:33:12,591 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:33:12" (1/1) ... [2024-11-20 21:33:12,638 INFO L175 MemorySlicer]: Split 206 memory accesses to 3 slices as follows [2, 34, 170]. 83 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 46 writes are split as follows [0, 4, 42]. [2024-11-20 21:33:12,638 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:33:12" (1/1) ... [2024-11-20 21:33:12,638 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:33:12" (1/1) ... [2024-11-20 21:33:12,677 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:33:12" (1/1) ... [2024-11-20 21:33:12,698 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:33:12" (1/1) ... [2024-11-20 21:33:12,712 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:33:12" (1/1) ... [2024-11-20 21:33:12,719 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:33:12" (1/1) ... [2024-11-20 21:33:12,736 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 21:33:12,738 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 21:33:12,739 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 21:33:12,739 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 21:33:12,740 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:33:12" (1/1) ... [2024-11-20 21:33:12,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 21:33:12,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 21:33:12,780 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) [2024-11-20 21:33:12,787 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 [2024-11-20 21:33:12,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-20 21:33:12,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-20 21:33:12,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-20 21:33:12,837 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-20 21:33:12,837 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-20 21:33:12,837 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-20 21:33:12,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-20 21:33:12,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-20 21:33:12,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-20 21:33:12,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-20 21:33:12,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-20 21:33:12,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-20 21:33:12,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-20 21:33:12,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-20 21:33:12,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-20 21:33:12,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-20 21:33:12,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-20 21:33:12,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-20 21:33:12,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 21:33:12,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-20 21:33:12,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-20 21:33:12,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-20 21:33:12,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 21:33:12,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-20 21:33:12,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-20 21:33:12,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 21:33:12,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 21:33:13,139 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 21:33:13,141 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 21:33:14,707 INFO L? ?]: Removed 303 outVars from TransFormulas that were not future-live. [2024-11-20 21:33:14,707 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 21:33:14,736 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 21:33:14,737 INFO L316 CfgBuilder]: Removed 54 assume(true) statements. [2024-11-20 21:33:14,737 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:33:14 BoogieIcfgContainer [2024-11-20 21:33:14,737 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 21:33:14,739 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 21:33:14,740 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 21:33:14,743 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 21:33:14,743 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:33:11" (1/3) ... [2024-11-20 21:33:14,744 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ce65b8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:33:14, skipping insertion in model container [2024-11-20 21:33:14,744 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:33:12" (2/3) ... [2024-11-20 21:33:14,744 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ce65b8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:33:14, skipping insertion in model container [2024-11-20 21:33:14,744 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:33:14" (3/3) ... [2024-11-20 21:33:14,745 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_OAT_nondet_test2-1.i [2024-11-20 21:33:14,764 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 21:33:14,764 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-20 21:33:14,854 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 21:33:14,861 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;@718a2015, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 21:33:14,861 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-20 21:33:14,866 INFO L276 IsEmpty]: Start isEmpty. Operand has 378 states, 367 states have (on average 1.6239782016348774) internal successors, (596), 373 states have internal predecessors, (596), 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) [2024-11-20 21:33:14,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-20 21:33:14,871 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:33:14,872 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:33:14,872 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)] === [2024-11-20 21:33:14,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:33:14,877 INFO L85 PathProgramCache]: Analyzing trace with hash -408358773, now seen corresponding path program 1 times [2024-11-20 21:33:14,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:33:14,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56235489] [2024-11-20 21:33:14,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:33:14,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:33:15,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:33:15,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:33:15,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:33:15,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56235489] [2024-11-20 21:33:15,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56235489] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:33:15,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:33:15,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 21:33:15,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377525662] [2024-11-20 21:33:15,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:33:15,096 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 21:33:15,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:33:15,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 21:33:15,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 21:33:15,128 INFO L87 Difference]: Start difference. First operand has 378 states, 367 states have (on average 1.6239782016348774) internal successors, (596), 373 states have internal predecessors, (596), 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) 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) [2024-11-20 21:33:15,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:33:15,207 INFO L93 Difference]: Finished difference Result 752 states and 1199 transitions. [2024-11-20 21:33:15,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 21:33:15,212 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 [2024-11-20 21:33:15,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:33:15,227 INFO L225 Difference]: With dead ends: 752 [2024-11-20 21:33:15,227 INFO L226 Difference]: Without dead ends: 372 [2024-11-20 21:33:15,232 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 [2024-11-20 21:33:15,265 INFO L432 NwaCegarLoop]: 541 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, 541 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 [2024-11-20 21:33:15,267 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 541 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 21:33:15,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2024-11-20 21:33:15,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 372. [2024-11-20 21:33:15,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 362 states have (on average 1.4613259668508287) internal successors, (529), 367 states have internal predecessors, (529), 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) [2024-11-20 21:33:15,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 535 transitions. [2024-11-20 21:33:15,348 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 535 transitions. Word has length 8 [2024-11-20 21:33:15,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:33:15,349 INFO L471 AbstractCegarLoop]: Abstraction has 372 states and 535 transitions. [2024-11-20 21:33:15,350 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) [2024-11-20 21:33:15,350 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 535 transitions. [2024-11-20 21:33:15,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-20 21:33:15,351 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:33:15,351 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:33:15,352 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 21:33:15,352 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)] === [2024-11-20 21:33:15,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:33:15,353 INFO L85 PathProgramCache]: Analyzing trace with hash -408356851, now seen corresponding path program 1 times [2024-11-20 21:33:15,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:33:15,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097186374] [2024-11-20 21:33:15,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:33:15,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:33:15,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 21:33:15,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1440270953] [2024-11-20 21:33:15,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:33:15,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 21:33:15,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 21:33:15,417 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) [2024-11-20 21:33:15,419 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-20 21:33:15,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:33:15,583 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-20 21:33:15,589 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 21:33:15,633 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 [2024-11-20 21:33:15,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:33:15,687 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 21:33:15,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:33:15,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097186374] [2024-11-20 21:33:15,689 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 21:33:15,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1440270953] [2024-11-20 21:33:15,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1440270953] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:33:15,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:33:15,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 21:33:15,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958499776] [2024-11-20 21:33:15,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:33:15,691 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 21:33:15,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:33:15,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 21:33:15,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 21:33:15,693 INFO L87 Difference]: Start difference. First operand 372 states and 535 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) [2024-11-20 21:33:15,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:33:15,868 INFO L93 Difference]: Finished difference Result 737 states and 1063 transitions. [2024-11-20 21:33:15,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 21:33:15,868 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 [2024-11-20 21:33:15,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:33:15,873 INFO L225 Difference]: With dead ends: 737 [2024-11-20 21:33:15,874 INFO L226 Difference]: Without dead ends: 735 [2024-11-20 21:33:15,876 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 [2024-11-20 21:33:15,877 INFO L432 NwaCegarLoop]: 512 mSDtfsCounter, 515 mSDsluCounter, 1018 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 518 SdHoareTripleChecker+Valid, 1530 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 21:33:15,878 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [518 Valid, 1530 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 21:33:15,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2024-11-20 21:33:15,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 378. [2024-11-20 21:33:15,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 368 states have (on average 1.4565217391304348) internal successors, (536), 373 states have internal predecessors, (536), 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) [2024-11-20 21:33:15,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 542 transitions. [2024-11-20 21:33:15,908 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 542 transitions. Word has length 8 [2024-11-20 21:33:15,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:33:15,908 INFO L471 AbstractCegarLoop]: Abstraction has 378 states and 542 transitions. [2024-11-20 21:33:15,908 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) [2024-11-20 21:33:15,908 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 542 transitions. [2024-11-20 21:33:15,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-20 21:33:15,911 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:33:15,912 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] [2024-11-20 21:33:15,922 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-20 21:33:16,112 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 [2024-11-20 21:33:16,113 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)] === [2024-11-20 21:33:16,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:33:16,118 INFO L85 PathProgramCache]: Analyzing trace with hash -586343401, now seen corresponding path program 1 times [2024-11-20 21:33:16,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:33:16,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176435723] [2024-11-20 21:33:16,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:33:16,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:33:16,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:33:16,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:33:16,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:33:16,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176435723] [2024-11-20 21:33:16,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1176435723] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:33:16,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:33:16,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 21:33:16,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535909279] [2024-11-20 21:33:16,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:33:16,458 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 21:33:16,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:33:16,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 21:33:16,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 21:33:16,459 INFO L87 Difference]: Start difference. First operand 378 states and 542 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 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) [2024-11-20 21:33:16,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:33:16,546 INFO L93 Difference]: Finished difference Result 542 states and 781 transitions. [2024-11-20 21:33:16,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 21:33:16,547 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 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 68 [2024-11-20 21:33:16,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:33:16,549 INFO L225 Difference]: With dead ends: 542 [2024-11-20 21:33:16,550 INFO L226 Difference]: Without dead ends: 381 [2024-11-20 21:33:16,551 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 [2024-11-20 21:33:16,552 INFO L432 NwaCegarLoop]: 507 mSDtfsCounter, 105 mSDsluCounter, 921 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 1428 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 [2024-11-20 21:33:16,552 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 1428 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 21:33:16,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2024-11-20 21:33:16,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 378. [2024-11-20 21:33:16,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 368 states have (on average 1.4375) internal successors, (529), 373 states have internal predecessors, (529), 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) [2024-11-20 21:33:16,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 535 transitions. [2024-11-20 21:33:16,565 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 535 transitions. Word has length 68 [2024-11-20 21:33:16,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:33:16,565 INFO L471 AbstractCegarLoop]: Abstraction has 378 states and 535 transitions. [2024-11-20 21:33:16,565 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 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) [2024-11-20 21:33:16,566 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 535 transitions. [2024-11-20 21:33:16,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-20 21:33:16,571 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:33:16,571 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] [2024-11-20 21:33:16,571 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 21:33:16,571 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)] === [2024-11-20 21:33:16,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:33:16,572 INFO L85 PathProgramCache]: Analyzing trace with hash -803669085, now seen corresponding path program 1 times [2024-11-20 21:33:16,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:33:16,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417094154] [2024-11-20 21:33:16,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:33:16,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:33:16,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:33:16,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:33:16,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:33:16,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417094154] [2024-11-20 21:33:16,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417094154] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:33:16,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:33:16,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 21:33:16,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876220141] [2024-11-20 21:33:16,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:33:16,887 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 21:33:16,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:33:16,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 21:33:16,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 21:33:16,889 INFO L87 Difference]: Start difference. First operand 378 states and 535 transitions. Second operand has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 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) [2024-11-20 21:33:16,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:33:16,992 INFO L93 Difference]: Finished difference Result 735 states and 1047 transitions. [2024-11-20 21:33:16,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 21:33:16,996 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 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 68 [2024-11-20 21:33:16,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:33:17,003 INFO L225 Difference]: With dead ends: 735 [2024-11-20 21:33:17,003 INFO L226 Difference]: Without dead ends: 733 [2024-11-20 21:33:17,004 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 [2024-11-20 21:33:17,006 INFO L432 NwaCegarLoop]: 556 mSDtfsCounter, 449 mSDsluCounter, 1062 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 452 SdHoareTripleChecker+Valid, 1618 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 21:33:17,008 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [452 Valid, 1618 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 21:33:17,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 733 states. [2024-11-20 21:33:17,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 733 to 537. [2024-11-20 21:33:17,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 537 states, 527 states have (on average 1.4345351043643264) internal successors, (756), 532 states have internal predecessors, (756), 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) [2024-11-20 21:33:17,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 762 transitions. [2024-11-20 21:33:17,031 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 762 transitions. Word has length 68 [2024-11-20 21:33:17,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:33:17,033 INFO L471 AbstractCegarLoop]: Abstraction has 537 states and 762 transitions. [2024-11-20 21:33:17,033 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 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) [2024-11-20 21:33:17,033 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 762 transitions. [2024-11-20 21:33:17,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-20 21:33:17,039 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:33:17,039 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] [2024-11-20 21:33:17,039 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 21:33:17,040 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 21:33:17,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:33:17,040 INFO L85 PathProgramCache]: Analyzing trace with hash 508941033, now seen corresponding path program 1 times [2024-11-20 21:33:17,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:33:17,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074356324] [2024-11-20 21:33:17,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:33:17,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:33:17,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:33:17,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:33:17,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:33:17,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074356324] [2024-11-20 21:33:17,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074356324] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:33:17,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:33:17,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 21:33:17,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015609171] [2024-11-20 21:33:17,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:33:17,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 21:33:17,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:33:17,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 21:33:17,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 21:33:17,325 INFO L87 Difference]: Start difference. First operand 537 states and 762 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) [2024-11-20 21:33:17,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:33:17,414 INFO L93 Difference]: Finished difference Result 1023 states and 1448 transitions. [2024-11-20 21:33:17,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 21:33:17,415 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 [2024-11-20 21:33:17,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:33:17,417 INFO L225 Difference]: With dead ends: 1023 [2024-11-20 21:33:17,417 INFO L226 Difference]: Without dead ends: 495 [2024-11-20 21:33:17,419 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 [2024-11-20 21:33:17,419 INFO L432 NwaCegarLoop]: 423 mSDtfsCounter, 36 mSDsluCounter, 832 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 1255 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 [2024-11-20 21:33:17,420 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 1255 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 21:33:17,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2024-11-20 21:33:17,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 495. [2024-11-20 21:33:17,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 495 states, 485 states have (on average 1.4) internal successors, (679), 490 states have internal predecessors, (679), 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) [2024-11-20 21:33:17,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 495 states and 685 transitions. [2024-11-20 21:33:17,436 INFO L78 Accepts]: Start accepts. Automaton has 495 states and 685 transitions. Word has length 82 [2024-11-20 21:33:17,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:33:17,436 INFO L471 AbstractCegarLoop]: Abstraction has 495 states and 685 transitions. [2024-11-20 21:33:17,438 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) [2024-11-20 21:33:17,438 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 685 transitions. [2024-11-20 21:33:17,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-20 21:33:17,440 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:33:17,442 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] [2024-11-20 21:33:17,443 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 21:33:17,443 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)] === [2024-11-20 21:33:17,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:33:17,443 INFO L85 PathProgramCache]: Analyzing trace with hash 733475413, now seen corresponding path program 1 times [2024-11-20 21:33:17,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:33:17,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11743664] [2024-11-20 21:33:17,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:33:17,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:33:17,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:33:17,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:33:17,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:33:17,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11743664] [2024-11-20 21:33:17,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11743664] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:33:17,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:33:17,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 21:33:17,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199311970] [2024-11-20 21:33:17,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:33:17,603 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 21:33:17,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:33:17,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 21:33:17,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 21:33:17,604 INFO L87 Difference]: Start difference. First operand 495 states and 685 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) [2024-11-20 21:33:17,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:33:17,667 INFO L93 Difference]: Finished difference Result 975 states and 1354 transitions. [2024-11-20 21:33:17,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 21:33:17,668 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 [2024-11-20 21:33:17,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:33:17,670 INFO L225 Difference]: With dead ends: 975 [2024-11-20 21:33:17,670 INFO L226 Difference]: Without dead ends: 489 [2024-11-20 21:33:17,671 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 [2024-11-20 21:33:17,672 INFO L432 NwaCegarLoop]: 425 mSDtfsCounter, 9 mSDsluCounter, 831 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1256 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 [2024-11-20 21:33:17,672 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1256 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 21:33:17,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2024-11-20 21:33:17,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 489. [2024-11-20 21:33:17,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 489 states, 479 states have (on average 1.3966597077244258) internal successors, (669), 484 states have internal predecessors, (669), 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) [2024-11-20 21:33:17,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 675 transitions. [2024-11-20 21:33:17,684 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 675 transitions. Word has length 82 [2024-11-20 21:33:17,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:33:17,685 INFO L471 AbstractCegarLoop]: Abstraction has 489 states and 675 transitions. [2024-11-20 21:33:17,685 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) [2024-11-20 21:33:17,685 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 675 transitions. [2024-11-20 21:33:17,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-20 21:33:17,686 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:33:17,686 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] [2024-11-20 21:33:17,687 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 21:33:17,687 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)] === [2024-11-20 21:33:17,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:33:17,687 INFO L85 PathProgramCache]: Analyzing trace with hash 1156001885, now seen corresponding path program 1 times [2024-11-20 21:33:17,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:33:17,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789089500] [2024-11-20 21:33:17,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:33:17,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:33:17,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:33:17,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:33:17,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:33:17,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789089500] [2024-11-20 21:33:17,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789089500] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:33:17,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:33:17,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 21:33:17,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29817563] [2024-11-20 21:33:17,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:33:17,850 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 21:33:17,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:33:17,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 21:33:17,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 21:33:17,851 INFO L87 Difference]: Start difference. First operand 489 states and 675 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) [2024-11-20 21:33:17,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:33:17,922 INFO L93 Difference]: Finished difference Result 1327 states and 1846 transitions. [2024-11-20 21:33:17,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 21:33:17,923 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 [2024-11-20 21:33:17,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:33:17,927 INFO L225 Difference]: With dead ends: 1327 [2024-11-20 21:33:17,927 INFO L226 Difference]: Without dead ends: 847 [2024-11-20 21:33:17,928 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 [2024-11-20 21:33:17,929 INFO L432 NwaCegarLoop]: 439 mSDtfsCounter, 255 mSDsluCounter, 426 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 865 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 21:33:17,929 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [255 Valid, 865 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 21:33:17,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 847 states. [2024-11-20 21:33:17,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 847 to 845. [2024-11-20 21:33:17,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 845 states, 835 states have (on average 1.4035928143712575) internal successors, (1172), 840 states have internal predecessors, (1172), 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) [2024-11-20 21:33:17,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 845 states and 1178 transitions. [2024-11-20 21:33:17,949 INFO L78 Accepts]: Start accepts. Automaton has 845 states and 1178 transitions. Word has length 82 [2024-11-20 21:33:17,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:33:17,949 INFO L471 AbstractCegarLoop]: Abstraction has 845 states and 1178 transitions. [2024-11-20 21:33:17,949 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) [2024-11-20 21:33:17,950 INFO L276 IsEmpty]: Start isEmpty. Operand 845 states and 1178 transitions. [2024-11-20 21:33:17,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-20 21:33:17,951 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:33:17,951 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] [2024-11-20 21:33:17,951 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-20 21:33:17,951 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)] === [2024-11-20 21:33:17,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:33:17,952 INFO L85 PathProgramCache]: Analyzing trace with hash 1931383154, now seen corresponding path program 1 times [2024-11-20 21:33:17,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:33:17,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166882732] [2024-11-20 21:33:17,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:33:17,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:33:18,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:33:18,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-20 21:33:18,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:33:18,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 21:33:18,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:33:18,415 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 21:33:18,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:33:18,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166882732] [2024-11-20 21:33:18,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166882732] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:33:18,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:33:18,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 21:33:18,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415552579] [2024-11-20 21:33:18,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:33:18,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 21:33:18,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:33:18,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 21:33:18,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 21:33:18,419 INFO L87 Difference]: Start difference. First operand 845 states and 1178 transitions. Second operand has 5 states, 4 states have (on average 22.5) 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) [2024-11-20 21:33:18,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:33:18,793 INFO L93 Difference]: Finished difference Result 914 states and 1273 transitions. [2024-11-20 21:33:18,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 21:33:18,794 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.5) 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 [2024-11-20 21:33:18,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:33:18,800 INFO L225 Difference]: With dead ends: 914 [2024-11-20 21:33:18,800 INFO L226 Difference]: Without dead ends: 912 [2024-11-20 21:33:18,801 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-20 21:33:18,802 INFO L432 NwaCegarLoop]: 468 mSDtfsCounter, 338 mSDsluCounter, 1283 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 340 SdHoareTripleChecker+Valid, 1751 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 21:33:18,803 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [340 Valid, 1751 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 21:33:18,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 912 states. [2024-11-20 21:33:18,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 912 to 909. [2024-11-20 21:33:18,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 909 states, 896 states have (on average 1.3950892857142858) internal successors, (1250), 901 states have internal predecessors, (1250), 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) [2024-11-20 21:33:18,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 909 states to 909 states and 1262 transitions. [2024-11-20 21:33:18,830 INFO L78 Accepts]: Start accepts. Automaton has 909 states and 1262 transitions. Word has length 97 [2024-11-20 21:33:18,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:33:18,832 INFO L471 AbstractCegarLoop]: Abstraction has 909 states and 1262 transitions. [2024-11-20 21:33:18,833 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.5) 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) [2024-11-20 21:33:18,833 INFO L276 IsEmpty]: Start isEmpty. Operand 909 states and 1262 transitions. [2024-11-20 21:33:18,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-20 21:33:18,834 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:33:18,835 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] [2024-11-20 21:33:18,835 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-20 21:33:18,835 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 21:33:18,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:33:18,836 INFO L85 PathProgramCache]: Analyzing trace with hash -2098614447, now seen corresponding path program 1 times [2024-11-20 21:33:18,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:33:18,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531514108] [2024-11-20 21:33:18,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:33:18,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:33:19,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:33:19,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-20 21:33:19,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:33:19,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 21:33:19,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:33:19,387 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-20 21:33:19,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:33:19,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531514108] [2024-11-20 21:33:19,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531514108] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 21:33:19,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [499256954] [2024-11-20 21:33:19,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:33:19,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 21:33:19,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 21:33:19,391 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) [2024-11-20 21:33:19,397 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-20 21:33:19,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:33:19,728 INFO L255 TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-20 21:33:19,735 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 21:33:19,740 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 [2024-11-20 21:33:19,768 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 [2024-11-20 21:33:19,795 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 [2024-11-20 21:33:20,315 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-20 21:33:20,316 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 [2024-11-20 21:33:20,741 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 21:33:20,742 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 21:33:20,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [499256954] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:33:20,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 21:33:20,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [5] total 14 [2024-11-20 21:33:20,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917807642] [2024-11-20 21:33:20,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:33:20,743 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-20 21:33:20,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:33:20,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-20 21:33:20,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2024-11-20 21:33:20,744 INFO L87 Difference]: Start difference. First operand 909 states and 1262 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) [2024-11-20 21:33:23,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-20 21:33:24,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:33:24,950 INFO L93 Difference]: Finished difference Result 1647 states and 2290 transitions. [2024-11-20 21:33:24,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-20 21:33:24,951 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 [2024-11-20 21:33:24,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:33:24,957 INFO L225 Difference]: With dead ends: 1647 [2024-11-20 21:33:24,957 INFO L226 Difference]: Without dead ends: 909 [2024-11-20 21:33:24,958 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=92, Invalid=370, Unknown=0, NotChecked=0, Total=462 [2024-11-20 21:33:24,961 INFO L432 NwaCegarLoop]: 453 mSDtfsCounter, 517 mSDsluCounter, 2279 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 519 SdHoareTripleChecker+Valid, 2732 SdHoareTripleChecker+Invalid, 629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2024-11-20 21:33:24,961 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [519 Valid, 2732 Invalid, 629 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2024-11-20 21:33:24,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 909 states. [2024-11-20 21:33:24,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 909 to 909. [2024-11-20 21:33:24,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 909 states, 896 states have (on average 1.3939732142857142) internal successors, (1249), 901 states have internal predecessors, (1249), 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) [2024-11-20 21:33:24,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 909 states to 909 states and 1261 transitions. [2024-11-20 21:33:24,987 INFO L78 Accepts]: Start accepts. Automaton has 909 states and 1261 transitions. Word has length 103 [2024-11-20 21:33:24,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:33:24,987 INFO L471 AbstractCegarLoop]: Abstraction has 909 states and 1261 transitions. [2024-11-20 21:33:24,987 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) [2024-11-20 21:33:24,987 INFO L276 IsEmpty]: Start isEmpty. Operand 909 states and 1261 transitions. [2024-11-20 21:33:25,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-20 21:33:25,003 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:33:25,003 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] [2024-11-20 21:33:25,015 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-20 21:33:25,204 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,SelfDestructingSolverStorable8 [2024-11-20 21:33:25,204 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)] === [2024-11-20 21:33:25,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:33:25,205 INFO L85 PathProgramCache]: Analyzing trace with hash -1274079722, now seen corresponding path program 1 times [2024-11-20 21:33:25,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:33:25,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773275028] [2024-11-20 21:33:25,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:33:25,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:33:25,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:33:25,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-20 21:33:25,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:33:25,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 21:33:25,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:33:25,634 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-20 21:33:25,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:33:25,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773275028] [2024-11-20 21:33:25,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773275028] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 21:33:25,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [614865990] [2024-11-20 21:33:25,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:33:25,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 21:33:25,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 21:33:25,637 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) [2024-11-20 21:33:25,639 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-20 21:33:26,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:33:26,209 INFO L255 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-20 21:33:26,214 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 21:33:26,222 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 [2024-11-20 21:33:26,279 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:33:26,280 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 21:33:26,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [614865990] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:33:26,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 21:33:26,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 8 [2024-11-20 21:33:26,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678156578] [2024-11-20 21:33:26,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:33:26,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 21:33:26,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:33:26,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 21:33:26,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-20 21:33:26,282 INFO L87 Difference]: Start difference. First operand 909 states and 1261 transitions. Second operand has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 6 states have internal predecessors, (100), 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) [2024-11-20 21:33:26,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:33:26,459 INFO L93 Difference]: Finished difference Result 1609 states and 2232 transitions. [2024-11-20 21:33:26,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 21:33:26,459 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 6 states have internal predecessors, (100), 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 104 [2024-11-20 21:33:26,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:33:26,467 INFO L225 Difference]: With dead ends: 1609 [2024-11-20 21:33:26,468 INFO L226 Difference]: Without dead ends: 921 [2024-11-20 21:33:26,469 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-20 21:33:26,470 INFO L432 NwaCegarLoop]: 421 mSDtfsCounter, 385 mSDsluCounter, 1671 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 389 SdHoareTripleChecker+Valid, 2092 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 21:33:26,471 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [389 Valid, 2092 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 21:33:26,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states. [2024-11-20 21:33:26,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 912. [2024-11-20 21:33:26,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 912 states, 898 states have (on average 1.3942093541202674) internal successors, (1252), 904 states have internal predecessors, (1252), 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) [2024-11-20 21:33:26,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 912 states and 1266 transitions. [2024-11-20 21:33:26,497 INFO L78 Accepts]: Start accepts. Automaton has 912 states and 1266 transitions. Word has length 104 [2024-11-20 21:33:26,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:33:26,497 INFO L471 AbstractCegarLoop]: Abstraction has 912 states and 1266 transitions. [2024-11-20 21:33:26,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 6 states have internal predecessors, (100), 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) [2024-11-20 21:33:26,498 INFO L276 IsEmpty]: Start isEmpty. Operand 912 states and 1266 transitions. [2024-11-20 21:33:26,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-20 21:33:26,500 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:33:26,500 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] [2024-11-20 21:33:26,516 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-20 21:33:26,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 21:33:26,701 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)] === [2024-11-20 21:33:26,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:33:26,702 INFO L85 PathProgramCache]: Analyzing trace with hash -84883596, now seen corresponding path program 1 times [2024-11-20 21:33:26,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:33:26,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398663769] [2024-11-20 21:33:26,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:33:26,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:33:26,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:33:27,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-20 21:33:27,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:33:27,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-20 21:33:27,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:33:27,246 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-20 21:33:27,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:33:27,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398663769] [2024-11-20 21:33:27,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398663769] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 21:33:27,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [394399557] [2024-11-20 21:33:27,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:33:27,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 21:33:27,247 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 21:33:27,249 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) [2024-11-20 21:33:27,251 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-20 21:33:27,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:33:27,798 INFO L255 TraceCheckSpWp]: Trace formula consists of 642 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-20 21:33:27,803 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 21:33:56,885 WARN L286 SmtUtils]: Spent 10.43s on a formula simplification. DAG size of input: 37 DAG size of output: 25 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-20 21:34:08,903 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-20 21:34:30,024 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-20 21:34:35,204 WARN L286 SmtUtils]: Spent 5.18s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)