./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test2-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 803cd42f 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 ../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_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-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-23 01:32:19,536 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 01:32:19,594 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-23 01:32:19,599 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 01:32:19,599 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 01:32:19,632 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 01:32:19,633 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 01:32:19,633 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 01:32:19,634 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 01:32:19,636 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 01:32:19,636 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 01:32:19,636 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 01:32:19,646 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 01:32:19,647 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 01:32:19,647 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 01:32:19,648 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 01:32:19,648 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 01:32:19,648 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 01:32:19,649 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 01:32:19,649 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 01:32:19,652 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 01:32:19,652 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 01:32:19,653 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 01:32:19,653 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 01:32:19,653 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-23 01:32:19,653 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-23 01:32:19,653 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 01:32:19,653 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 01:32:19,654 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 01:32:19,654 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 01:32:19,654 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 01:32:19,654 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 01:32:19,654 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 01:32:19,654 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 01:32:19,655 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 01:32:19,655 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 01:32:19,655 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 01:32:19,655 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 01:32:19,655 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 01:32:19,655 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 01:32:19,655 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 01:32:19,656 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 01:32:19,656 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 01:32:19,657 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 01:32:19,657 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e277983cfe4b30513b023d34f2b840358d8a25fd7a5c39241cadd105379bfb92 [2024-11-23 01:32:19,851 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 01:32:19,867 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 01:32:19,869 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 01:32:19,870 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 01:32:19,871 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 01:32:19,872 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test2-1.i [2024-11-23 01:32:21,135 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-23 01:32:21,417 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 01:32:21,417 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test2-1.i [2024-11-23 01:32:21,437 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a06763d03/cb97c537762046c0bd5e17dac597dfa2/FLAG85d86b611 [2024-11-23 01:32:21,693 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a06763d03/cb97c537762046c0bd5e17dac597dfa2 [2024-11-23 01:32:21,695 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 01:32:21,696 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 01:32:21,698 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 01:32:21,698 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 01:32:21,711 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 01:32:21,711 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:32:21" (1/1) ... [2024-11-23 01:32:21,713 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e21bdd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:21, skipping insertion in model container [2024-11-23 01:32:21,714 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:32:21" (1/1) ... [2024-11-23 01:32:21,762 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 01:32:22,201 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 01:32:22,216 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 01:32:22,309 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 01:32:22,340 INFO L204 MainTranslator]: Completed translation [2024-11-23 01:32:22,340 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:22 WrapperNode [2024-11-23 01:32:22,340 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 01:32:22,341 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 01:32:22,341 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 01:32:22,341 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 01:32:22,347 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:22" (1/1) ... [2024-11-23 01:32:22,381 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:22" (1/1) ... [2024-11-23 01:32:22,441 INFO L138 Inliner]: procedures = 207, calls = 222, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1285 [2024-11-23 01:32:22,442 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 01:32:22,442 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 01:32:22,442 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 01:32:22,443 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 01:32:22,451 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:22" (1/1) ... [2024-11-23 01:32:22,452 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:22" (1/1) ... [2024-11-23 01:32:22,459 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:22" (1/1) ... [2024-11-23 01:32:22,504 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]. [2024-11-23 01:32:22,504 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:22" (1/1) ... [2024-11-23 01:32:22,504 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:22" (1/1) ... [2024-11-23 01:32:22,536 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:22" (1/1) ... [2024-11-23 01:32:22,548 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:22" (1/1) ... [2024-11-23 01:32:22,555 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:22" (1/1) ... [2024-11-23 01:32:22,562 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:22" (1/1) ... [2024-11-23 01:32:22,575 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 01:32:22,576 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 01:32:22,577 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 01:32:22,577 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 01:32:22,578 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:22" (1/1) ... [2024-11-23 01:32:22,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 01:32:22,591 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 01:32:22,610 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) [2024-11-23 01:32:22,612 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 [2024-11-23 01:32:22,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-23 01:32:22,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-23 01:32:22,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-23 01:32:22,648 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-23 01:32:22,648 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-23 01:32:22,648 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-23 01:32:22,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-23 01:32:22,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-23 01:32:22,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-23 01:32:22,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-23 01:32:22,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-23 01:32:22,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-23 01:32:22,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-23 01:32:22,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-23 01:32:22,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-23 01:32:22,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-23 01:32:22,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-23 01:32:22,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-23 01:32:22,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 01:32:22,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-23 01:32:22,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-23 01:32:22,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-23 01:32:22,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 01:32:22,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-23 01:32:22,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-23 01:32:22,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 01:32:22,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 01:32:22,954 INFO L238 CfgBuilder]: Building ICFG [2024-11-23 01:32:22,956 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 01:32:23,939 INFO L? ?]: Removed 303 outVars from TransFormulas that were not future-live. [2024-11-23 01:32:23,939 INFO L287 CfgBuilder]: Performing block encoding [2024-11-23 01:32:23,956 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 01:32:23,956 INFO L316 CfgBuilder]: Removed 54 assume(true) statements. [2024-11-23 01:32:23,957 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:32:23 BoogieIcfgContainer [2024-11-23 01:32:23,957 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 01:32:23,958 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 01:32:23,958 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 01:32:23,965 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 01:32:23,965 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:32:21" (1/3) ... [2024-11-23 01:32:23,966 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46f2d886 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:32:23, skipping insertion in model container [2024-11-23 01:32:23,966 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:22" (2/3) ... [2024-11-23 01:32:23,966 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46f2d886 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:32:23, skipping insertion in model container [2024-11-23 01:32:23,970 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:32:23" (3/3) ... [2024-11-23 01:32:23,971 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SAX_nondet_test2-1.i [2024-11-23 01:32:23,996 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 01:32:23,996 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-23 01:32:24,068 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 01:32:24,076 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;@63a57f8b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 01:32:24,080 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-23 01:32:24,088 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) [2024-11-23 01:32:24,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-23 01:32:24,095 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:32:24,096 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:32:24,096 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)] === [2024-11-23 01:32:24,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:32:24,100 INFO L85 PathProgramCache]: Analyzing trace with hash -408358773, now seen corresponding path program 1 times [2024-11-23 01:32:24,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:32:24,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482626295] [2024-11-23 01:32:24,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:32:24,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:32:24,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:32:24,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:32:24,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:32:24,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482626295] [2024-11-23 01:32:24,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482626295] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:32:24,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:32:24,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 01:32:24,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557586277] [2024-11-23 01:32:24,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:32:24,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 01:32:24,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:32:24,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 01:32:24,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 01:32:24,375 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) [2024-11-23 01:32:24,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:32:24,476 INFO L93 Difference]: Finished difference Result 752 states and 1199 transitions. [2024-11-23 01:32:24,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 01:32:24,485 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 [2024-11-23 01:32:24,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:32:24,501 INFO L225 Difference]: With dead ends: 752 [2024-11-23 01:32:24,507 INFO L226 Difference]: Without dead ends: 372 [2024-11-23 01:32:24,510 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 [2024-11-23 01:32:24,517 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 [2024-11-23 01:32:24,523 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] [2024-11-23 01:32:24,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2024-11-23 01:32:24,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 372. [2024-11-23 01:32:24,602 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) [2024-11-23 01:32:24,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 535 transitions. [2024-11-23 01:32:24,610 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 535 transitions. Word has length 8 [2024-11-23 01:32:24,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:32:24,611 INFO L471 AbstractCegarLoop]: Abstraction has 372 states and 535 transitions. [2024-11-23 01:32:24,611 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) [2024-11-23 01:32:24,611 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 535 transitions. [2024-11-23 01:32:24,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-23 01:32:24,611 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:32:24,611 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:32:24,612 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 01:32:24,612 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)] === [2024-11-23 01:32:24,612 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:32:24,612 INFO L85 PathProgramCache]: Analyzing trace with hash -408356851, now seen corresponding path program 1 times [2024-11-23 01:32:24,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:32:24,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086233286] [2024-11-23 01:32:24,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:32:24,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:32:24,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-23 01:32:24,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [292103350] [2024-11-23 01:32:24,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:32:24,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 01:32:24,681 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 01:32:24,685 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) [2024-11-23 01:32:24,688 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 01:32:24,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:32:24,818 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-23 01:32:24,822 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 01:32:24,903 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 [2024-11-23 01:32:24,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:32:24,958 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 01:32:24,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:32:24,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086233286] [2024-11-23 01:32:24,960 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-23 01:32:24,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [292103350] [2024-11-23 01:32:24,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [292103350] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:32:24,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:32:24,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 01:32:24,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012303517] [2024-11-23 01:32:24,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:32:24,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 01:32:24,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:32:24,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 01:32:24,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 01:32:24,968 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) [2024-11-23 01:32:25,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:32:25,115 INFO L93 Difference]: Finished difference Result 737 states and 1063 transitions. [2024-11-23 01:32:25,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 01:32:25,116 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 [2024-11-23 01:32:25,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:32:25,119 INFO L225 Difference]: With dead ends: 737 [2024-11-23 01:32:25,119 INFO L226 Difference]: Without dead ends: 735 [2024-11-23 01:32:25,119 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 [2024-11-23 01:32:25,120 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 [2024-11-23 01:32:25,121 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] [2024-11-23 01:32:25,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2024-11-23 01:32:25,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 378. [2024-11-23 01:32:25,138 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) [2024-11-23 01:32:25,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 542 transitions. [2024-11-23 01:32:25,140 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 542 transitions. Word has length 8 [2024-11-23 01:32:25,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:32:25,140 INFO L471 AbstractCegarLoop]: Abstraction has 378 states and 542 transitions. [2024-11-23 01:32:25,140 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) [2024-11-23 01:32:25,141 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 542 transitions. [2024-11-23 01:32:25,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-23 01:32:25,143 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:32:25,143 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] [2024-11-23 01:32:25,151 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-23 01:32:25,347 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 [2024-11-23 01:32:25,348 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)] === [2024-11-23 01:32:25,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:32:25,349 INFO L85 PathProgramCache]: Analyzing trace with hash -586343401, now seen corresponding path program 1 times [2024-11-23 01:32:25,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:32:25,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600001373] [2024-11-23 01:32:25,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:32:25,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:32:25,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:32:25,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:32:25,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:32:25,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600001373] [2024-11-23 01:32:25,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600001373] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:32:25,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:32:25,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 01:32:25,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669858436] [2024-11-23 01:32:25,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:32:25,601 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 01:32:25,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:32:25,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 01:32:25,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 01:32:25,603 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) [2024-11-23 01:32:25,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:32:25,669 INFO L93 Difference]: Finished difference Result 542 states and 781 transitions. [2024-11-23 01:32:25,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 01:32:25,670 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 [2024-11-23 01:32:25,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:32:25,671 INFO L225 Difference]: With dead ends: 542 [2024-11-23 01:32:25,671 INFO L226 Difference]: Without dead ends: 381 [2024-11-23 01:32:25,672 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 [2024-11-23 01:32:25,673 INFO L432 NwaCegarLoop]: 507 mSDtfsCounter, 105 mSDsluCounter, 921 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 01:32:25,673 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 1428 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 01:32:25,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2024-11-23 01:32:25,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 378. [2024-11-23 01:32:25,680 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) [2024-11-23 01:32:25,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 535 transitions. [2024-11-23 01:32:25,682 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 535 transitions. Word has length 68 [2024-11-23 01:32:25,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:32:25,682 INFO L471 AbstractCegarLoop]: Abstraction has 378 states and 535 transitions. [2024-11-23 01:32:25,682 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) [2024-11-23 01:32:25,682 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 535 transitions. [2024-11-23 01:32:25,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-23 01:32:25,684 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:32:25,684 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] [2024-11-23 01:32:25,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 01:32:25,685 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)] === [2024-11-23 01:32:25,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:32:25,685 INFO L85 PathProgramCache]: Analyzing trace with hash -803669085, now seen corresponding path program 1 times [2024-11-23 01:32:25,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:32:25,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017199900] [2024-11-23 01:32:25,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:32:25,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:32:25,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:32:25,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:32:25,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:32:25,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017199900] [2024-11-23 01:32:25,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017199900] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:32:25,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:32:25,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 01:32:25,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667736199] [2024-11-23 01:32:25,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:32:25,859 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 01:32:25,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:32:25,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 01:32:25,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 01:32:25,860 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) [2024-11-23 01:32:25,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:32:25,922 INFO L93 Difference]: Finished difference Result 735 states and 1047 transitions. [2024-11-23 01:32:25,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 01:32:25,923 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 [2024-11-23 01:32:25,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:32:25,925 INFO L225 Difference]: With dead ends: 735 [2024-11-23 01:32:25,925 INFO L226 Difference]: Without dead ends: 733 [2024-11-23 01:32:25,926 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 [2024-11-23 01:32:25,930 INFO L432 NwaCegarLoop]: 556 mSDtfsCounter, 449 mSDsluCounter, 1062 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 01:32:25,930 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [452 Valid, 1618 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 01:32:25,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 733 states. [2024-11-23 01:32:25,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 733 to 537. [2024-11-23 01:32:25,961 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) [2024-11-23 01:32:25,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 762 transitions. [2024-11-23 01:32:25,962 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 762 transitions. Word has length 68 [2024-11-23 01:32:25,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:32:25,963 INFO L471 AbstractCegarLoop]: Abstraction has 537 states and 762 transitions. [2024-11-23 01:32:25,963 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) [2024-11-23 01:32:25,963 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 762 transitions. [2024-11-23 01:32:25,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-23 01:32:25,965 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:32:25,965 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] [2024-11-23 01:32:25,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 01:32:25,966 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)] === [2024-11-23 01:32:25,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:32:25,966 INFO L85 PathProgramCache]: Analyzing trace with hash 508941033, now seen corresponding path program 1 times [2024-11-23 01:32:25,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:32:25,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514013803] [2024-11-23 01:32:25,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:32:25,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:32:26,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:32:26,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:32:26,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:32:26,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514013803] [2024-11-23 01:32:26,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514013803] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:32:26,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:32:26,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 01:32:26,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452541535] [2024-11-23 01:32:26,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:32:26,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 01:32:26,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:32:26,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 01:32:26,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 01:32:26,115 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) [2024-11-23 01:32:26,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:32:26,174 INFO L93 Difference]: Finished difference Result 1023 states and 1448 transitions. [2024-11-23 01:32:26,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 01:32:26,175 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 [2024-11-23 01:32:26,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:32:26,178 INFO L225 Difference]: With dead ends: 1023 [2024-11-23 01:32:26,178 INFO L226 Difference]: Without dead ends: 495 [2024-11-23 01:32:26,178 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 [2024-11-23 01:32:26,179 INFO L432 NwaCegarLoop]: 423 mSDtfsCounter, 36 mSDsluCounter, 832 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 01:32:26,179 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 1255 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 01:32:26,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2024-11-23 01:32:26,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 495. [2024-11-23 01:32:26,190 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) [2024-11-23 01:32:26,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 495 states and 685 transitions. [2024-11-23 01:32:26,192 INFO L78 Accepts]: Start accepts. Automaton has 495 states and 685 transitions. Word has length 82 [2024-11-23 01:32:26,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:32:26,193 INFO L471 AbstractCegarLoop]: Abstraction has 495 states and 685 transitions. [2024-11-23 01:32:26,193 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) [2024-11-23 01:32:26,193 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 685 transitions. [2024-11-23 01:32:26,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-23 01:32:26,196 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:32:26,199 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] [2024-11-23 01:32:26,199 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-23 01:32:26,199 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)] === [2024-11-23 01:32:26,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:32:26,199 INFO L85 PathProgramCache]: Analyzing trace with hash 733475413, now seen corresponding path program 1 times [2024-11-23 01:32:26,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:32:26,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932597517] [2024-11-23 01:32:26,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:32:26,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:32:26,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:32:26,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:32:26,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:32:26,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932597517] [2024-11-23 01:32:26,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932597517] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:32:26,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:32:26,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 01:32:26,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10750593] [2024-11-23 01:32:26,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:32:26,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 01:32:26,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:32:26,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 01:32:26,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 01:32:26,319 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) [2024-11-23 01:32:26,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:32:26,379 INFO L93 Difference]: Finished difference Result 975 states and 1354 transitions. [2024-11-23 01:32:26,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 01:32:26,379 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 [2024-11-23 01:32:26,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:32:26,381 INFO L225 Difference]: With dead ends: 975 [2024-11-23 01:32:26,381 INFO L226 Difference]: Without dead ends: 489 [2024-11-23 01:32:26,381 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 [2024-11-23 01:32:26,382 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 [2024-11-23 01:32:26,382 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] [2024-11-23 01:32:26,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2024-11-23 01:32:26,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 489. [2024-11-23 01:32:26,390 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) [2024-11-23 01:32:26,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 675 transitions. [2024-11-23 01:32:26,391 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 675 transitions. Word has length 82 [2024-11-23 01:32:26,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:32:26,392 INFO L471 AbstractCegarLoop]: Abstraction has 489 states and 675 transitions. [2024-11-23 01:32:26,392 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) [2024-11-23 01:32:26,392 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 675 transitions. [2024-11-23 01:32:26,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-23 01:32:26,393 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:32:26,394 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] [2024-11-23 01:32:26,394 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-23 01:32:26,394 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)] === [2024-11-23 01:32:26,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:32:26,394 INFO L85 PathProgramCache]: Analyzing trace with hash 1156001885, now seen corresponding path program 1 times [2024-11-23 01:32:26,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:32:26,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169176816] [2024-11-23 01:32:26,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:32:26,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:32:26,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:32:26,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:32:26,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:32:26,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169176816] [2024-11-23 01:32:26,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169176816] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:32:26,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:32:26,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 01:32:26,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428682081] [2024-11-23 01:32:26,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:32:26,502 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 01:32:26,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:32:26,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 01:32:26,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 01:32:26,505 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) [2024-11-23 01:32:26,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:32:26,551 INFO L93 Difference]: Finished difference Result 1327 states and 1846 transitions. [2024-11-23 01:32:26,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 01:32:26,552 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 [2024-11-23 01:32:26,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:32:26,556 INFO L225 Difference]: With dead ends: 1327 [2024-11-23 01:32:26,556 INFO L226 Difference]: Without dead ends: 847 [2024-11-23 01:32:26,557 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 [2024-11-23 01:32:26,558 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, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 01:32:26,558 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [255 Valid, 865 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 01:32:26,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 847 states. [2024-11-23 01:32:26,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 847 to 845. [2024-11-23 01:32:26,569 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) [2024-11-23 01:32:26,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 845 states and 1178 transitions. [2024-11-23 01:32:26,571 INFO L78 Accepts]: Start accepts. Automaton has 845 states and 1178 transitions. Word has length 82 [2024-11-23 01:32:26,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:32:26,572 INFO L471 AbstractCegarLoop]: Abstraction has 845 states and 1178 transitions. [2024-11-23 01:32:26,572 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) [2024-11-23 01:32:26,572 INFO L276 IsEmpty]: Start isEmpty. Operand 845 states and 1178 transitions. [2024-11-23 01:32:26,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-23 01:32:26,575 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:32:26,576 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] [2024-11-23 01:32:26,576 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-23 01:32:26,576 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)] === [2024-11-23 01:32:26,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:32:26,576 INFO L85 PathProgramCache]: Analyzing trace with hash 1931383154, now seen corresponding path program 1 times [2024-11-23 01:32:26,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:32:26,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834870199] [2024-11-23 01:32:26,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:32:26,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:32:26,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:32:26,840 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-23 01:32:26,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:32:26,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834870199] [2024-11-23 01:32:26,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834870199] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:32:26,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:32:26,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 01:32:26,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067605606] [2024-11-23 01:32:26,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:32:26,842 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 01:32:26,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:32:26,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 01:32:26,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 01:32:26,843 INFO L87 Difference]: Start difference. First operand 845 states and 1178 transitions. Second operand has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 states have internal predecessors, (90), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-23 01:32:26,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:32:26,902 INFO L93 Difference]: Finished difference Result 911 states and 1264 transitions. [2024-11-23 01:32:26,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 01:32:26,902 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 states have internal predecessors, (90), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 97 [2024-11-23 01:32:26,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:32:26,905 INFO L225 Difference]: With dead ends: 911 [2024-11-23 01:32:26,906 INFO L226 Difference]: Without dead ends: 909 [2024-11-23 01:32:26,906 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 [2024-11-23 01:32:26,906 INFO L432 NwaCegarLoop]: 426 mSDtfsCounter, 335 mSDsluCounter, 845 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 336 SdHoareTripleChecker+Valid, 1271 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 01:32:26,907 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [336 Valid, 1271 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 01:32:26,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 909 states. [2024-11-23 01:32:26,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 909 to 909. [2024-11-23 01:32:26,918 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) [2024-11-23 01:32:26,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 909 states to 909 states and 1262 transitions. [2024-11-23 01:32:26,920 INFO L78 Accepts]: Start accepts. Automaton has 909 states and 1262 transitions. Word has length 97 [2024-11-23 01:32:26,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:32:26,921 INFO L471 AbstractCegarLoop]: Abstraction has 909 states and 1262 transitions. [2024-11-23 01:32:26,921 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 states have internal predecessors, (90), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-23 01:32:26,921 INFO L276 IsEmpty]: Start isEmpty. Operand 909 states and 1262 transitions. [2024-11-23 01:32:26,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-23 01:32:26,922 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:32:26,922 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] [2024-11-23 01:32:26,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-23 01:32:26,922 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)] === [2024-11-23 01:32:26,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:32:26,923 INFO L85 PathProgramCache]: Analyzing trace with hash -2098614447, now seen corresponding path program 1 times [2024-11-23 01:32:26,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:32:26,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832123789] [2024-11-23 01:32:26,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:32:26,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:32:27,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:32:27,219 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-23 01:32:27,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:32:27,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832123789] [2024-11-23 01:32:27,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832123789] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 01:32:27,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1706287516] [2024-11-23 01:32:27,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:32:27,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 01:32:27,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 01:32:27,222 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) [2024-11-23 01:32:27,223 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-23 01:32:27,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:32:27,462 INFO L255 TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-23 01:32:27,466 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 01:32:27,470 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 [2024-11-23 01:32:27,484 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 [2024-11-23 01:32:27,496 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 [2024-11-23 01:32:27,857 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 01:32:27,857 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 [2024-11-23 01:32:28,031 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-23 01:32:28,031 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 01:32:28,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1706287516] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:32:28,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 01:32:28,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [4] total 13 [2024-11-23 01:32:28,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340680872] [2024-11-23 01:32:28,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:32:28,032 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-23 01:32:28,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:32:28,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-23 01:32:28,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-11-23 01:32:28,033 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) [2024-11-23 01:32:29,989 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 01:32:31,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:32:31,287 INFO L93 Difference]: Finished difference Result 1647 states and 2290 transitions. [2024-11-23 01:32:31,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-23 01:32:31,288 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 [2024-11-23 01:32:31,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:32:31,292 INFO L225 Difference]: With dead ends: 1647 [2024-11-23 01:32:31,292 INFO L226 Difference]: Without dead ends: 909 [2024-11-23 01:32:31,294 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=90, Invalid=330, Unknown=0, NotChecked=0, Total=420 [2024-11-23 01:32:31,296 INFO L432 NwaCegarLoop]: 453 mSDtfsCounter, 517 mSDsluCounter, 2932 mSDsCounter, 0 mSdLazyCounter, 928 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 519 SdHoareTripleChecker+Valid, 3385 SdHoareTripleChecker+Invalid, 935 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 928 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-11-23 01:32:31,297 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [519 Valid, 3385 Invalid, 935 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 928 Invalid, 1 Unknown, 0 Unchecked, 3.0s Time] [2024-11-23 01:32:31,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 909 states. [2024-11-23 01:32:31,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 909 to 909. [2024-11-23 01:32:31,317 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) [2024-11-23 01:32:31,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 909 states to 909 states and 1261 transitions. [2024-11-23 01:32:31,321 INFO L78 Accepts]: Start accepts. Automaton has 909 states and 1261 transitions. Word has length 103 [2024-11-23 01:32:31,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:32:31,321 INFO L471 AbstractCegarLoop]: Abstraction has 909 states and 1261 transitions. [2024-11-23 01:32:31,322 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) [2024-11-23 01:32:31,322 INFO L276 IsEmpty]: Start isEmpty. Operand 909 states and 1261 transitions. [2024-11-23 01:32:31,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-23 01:32:31,323 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:32:31,323 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] [2024-11-23 01:32:31,334 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-23 01:32:31,524 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 [2024-11-23 01:32:31,524 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)] === [2024-11-23 01:32:31,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:32:31,525 INFO L85 PathProgramCache]: Analyzing trace with hash -1274079722, now seen corresponding path program 1 times [2024-11-23 01:32:31,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:32:31,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425679852] [2024-11-23 01:32:31,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:32:31,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:32:31,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:32:31,822 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-23 01:32:31,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:32:31,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425679852] [2024-11-23 01:32:31,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425679852] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 01:32:31,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1192645651] [2024-11-23 01:32:31,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:32:31,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 01:32:31,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 01:32:31,825 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) [2024-11-23 01:32:31,827 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-23 01:32:32,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:32:32,282 INFO L255 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-23 01:32:32,286 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 01:32:32,291 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 [2024-11-23 01:32:32,329 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:32:32,329 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 01:32:32,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1192645651] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:32:32,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 01:32:32,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [4] total 7 [2024-11-23 01:32:32,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325388673] [2024-11-23 01:32:32,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:32:32,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 01:32:32,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:32:32,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 01:32:32,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-23 01:32:32,331 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) [2024-11-23 01:32:32,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:32:32,440 INFO L93 Difference]: Finished difference Result 1609 states and 2232 transitions. [2024-11-23 01:32:32,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 01:32:32,440 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 [2024-11-23 01:32:32,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:32:32,445 INFO L225 Difference]: With dead ends: 1609 [2024-11-23 01:32:32,445 INFO L226 Difference]: Without dead ends: 921 [2024-11-23 01:32:32,445 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-23 01:32:32,446 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 [2024-11-23 01:32:32,446 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] [2024-11-23 01:32:32,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states. [2024-11-23 01:32:32,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 912. [2024-11-23 01:32:32,460 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) [2024-11-23 01:32:32,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 912 states and 1266 transitions. [2024-11-23 01:32:32,462 INFO L78 Accepts]: Start accepts. Automaton has 912 states and 1266 transitions. Word has length 104 [2024-11-23 01:32:32,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:32:32,462 INFO L471 AbstractCegarLoop]: Abstraction has 912 states and 1266 transitions. [2024-11-23 01:32:32,462 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) [2024-11-23 01:32:32,462 INFO L276 IsEmpty]: Start isEmpty. Operand 912 states and 1266 transitions. [2024-11-23 01:32:32,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-23 01:32:32,463 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:32:32,463 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] [2024-11-23 01:32:32,481 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-23 01:32:32,666 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 [2024-11-23 01:32:32,666 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)] === [2024-11-23 01:32:32,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:32:32,667 INFO L85 PathProgramCache]: Analyzing trace with hash -84883596, now seen corresponding path program 1 times [2024-11-23 01:32:32,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:32:32,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383233905] [2024-11-23 01:32:32,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:32:32,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:32:32,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:32:33,086 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-23 01:32:33,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:32:33,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383233905] [2024-11-23 01:32:33,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383233905] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 01:32:33,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [494166189] [2024-11-23 01:32:33,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:32:33,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 01:32:33,087 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 01:32:33,090 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) [2024-11-23 01:32:33,091 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-23 01:32:33,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:32:33,507 INFO L255 TraceCheckSpWp]: Trace formula consists of 642 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-23 01:32:33,521 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 01:32:33,530 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 [2024-11-23 01:32:33,825 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-23 01:32:33,826 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 01:32:34,106 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-23 01:32:34,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [494166189] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 01:32:34,107 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 01:32:34,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7, 9] total 17 [2024-11-23 01:32:34,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866182777] [2024-11-23 01:32:34,107 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 01:32:34,107 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-23 01:32:34,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:32:34,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-23 01:32:34,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2024-11-23 01:32:34,108 INFO L87 Difference]: Start difference. First operand 912 states and 1266 transitions. Second operand has 17 states, 17 states have (on average 11.941176470588236) internal successors, (203), 16 states have internal predecessors, (203), 4 states have call successors, (5), 3 states have call predecessors, (5), 5 states have return successors, (6), 2 states have call predecessors, (6), 4 states have call successors, (6) [2024-11-23 01:32:38,633 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-23 01:32:42,643 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-23 01:32:46,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-23 01:32:50,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-23 01:32:54,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-23 01:32:54,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:32:54,750 INFO L93 Difference]: Finished difference Result 1706 states and 2361 transitions. [2024-11-23 01:32:54,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-23 01:32:54,751 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 11.941176470588236) internal successors, (203), 16 states have internal predecessors, (203), 4 states have call successors, (5), 3 states have call predecessors, (5), 5 states have return successors, (6), 2 states have call predecessors, (6), 4 states have call successors, (6) Word has length 106 [2024-11-23 01:32:54,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:32:54,754 INFO L225 Difference]: With dead ends: 1706 [2024-11-23 01:32:54,754 INFO L226 Difference]: Without dead ends: 1013 [2024-11-23 01:32:54,755 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2024-11-23 01:32:54,756 INFO L432 NwaCegarLoop]: 496 mSDtfsCounter, 1180 mSDsluCounter, 4486 mSDsCounter, 0 mSdLazyCounter, 433 mSolverCounterSat, 28 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1183 SdHoareTripleChecker+Valid, 4982 SdHoareTripleChecker+Invalid, 466 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 433 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.4s IncrementalHoareTripleChecker+Time [2024-11-23 01:32:54,756 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1183 Valid, 4982 Invalid, 466 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 433 Invalid, 5 Unknown, 0 Unchecked, 20.4s Time] [2024-11-23 01:32:54,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1013 states. [2024-11-23 01:32:54,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1013 to 1001. [2024-11-23 01:32:54,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1001 states, 980 states have (on average 1.3918367346938776) internal successors, (1364), 987 states have internal predecessors, (1364), 8 states have call successors, (8), 4 states have call predecessors, (8), 7 states have return successors, (12), 9 states have call predecessors, (12), 8 states have call successors, (12) [2024-11-23 01:32:54,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1001 states to 1001 states and 1384 transitions. [2024-11-23 01:32:54,776 INFO L78 Accepts]: Start accepts. Automaton has 1001 states and 1384 transitions. Word has length 106 [2024-11-23 01:32:54,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:32:54,776 INFO L471 AbstractCegarLoop]: Abstraction has 1001 states and 1384 transitions. [2024-11-23 01:32:54,776 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 11.941176470588236) internal successors, (203), 16 states have internal predecessors, (203), 4 states have call successors, (5), 3 states have call predecessors, (5), 5 states have return successors, (6), 2 states have call predecessors, (6), 4 states have call successors, (6) [2024-11-23 01:32:54,777 INFO L276 IsEmpty]: Start isEmpty. Operand 1001 states and 1384 transitions. [2024-11-23 01:32:54,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-23 01:32:54,777 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:32:54,778 INFO L215 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:32:54,787 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-23 01:32:54,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 01:32:54,982 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-23 01:32:54,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:32:54,982 INFO L85 PathProgramCache]: Analyzing trace with hash -1617091754, now seen corresponding path program 2 times [2024-11-23 01:32:54,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:32:54,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646452166] [2024-11-23 01:32:54,983 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 01:32:54,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:32:55,195 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-23 01:32:55,195 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 01:32:55,450 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 5 proven. 27 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-23 01:32:55,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:32:55,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646452166] [2024-11-23 01:32:55,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646452166] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 01:32:55,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [992356339] [2024-11-23 01:32:55,451 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 01:32:55,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 01:32:55,451 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 01:32:55,452 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 01:32:55,454 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-23 01:32:55,661 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-23 01:32:55,661 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 01:32:55,662 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-23 01:32:55,664 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 01:32:55,669 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-23 01:32:55,676 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-11-23 01:32:55,677 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 01:32:55,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [992356339] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:32:55,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 01:32:55,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [8] total 9 [2024-11-23 01:32:55,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975143126] [2024-11-23 01:32:55,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:32:55,677 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 01:32:55,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:32:55,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 01:32:55,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-23 01:32:55,678 INFO L87 Difference]: Start difference. First operand 1001 states and 1384 transitions. Second operand has 3 states, 2 states have (on average 47.5) internal successors, (95), 3 states have internal predecessors, (95), 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) [2024-11-23 01:32:55,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:32:55,697 INFO L93 Difference]: Finished difference Result 1001 states and 1384 transitions. [2024-11-23 01:32:55,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 01:32:55,698 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 47.5) internal successors, (95), 3 states have internal predecessors, (95), 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 110 [2024-11-23 01:32:55,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:32:55,722 INFO L225 Difference]: With dead ends: 1001 [2024-11-23 01:32:55,723 INFO L226 Difference]: Without dead ends: 1000 [2024-11-23 01:32:55,724 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-23 01:32:55,725 INFO L432 NwaCegarLoop]: 437 mSDtfsCounter, 1 mSDsluCounter, 435 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 872 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 01:32:55,725 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 872 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 01:32:55,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1000 states. [2024-11-23 01:32:55,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1000 to 1000. [2024-11-23 01:32:55,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1000 states, 980 states have (on average 1.3908163265306122) internal successors, (1363), 986 states have internal predecessors, (1363), 8 states have call successors, (8), 4 states have call predecessors, (8), 7 states have return successors, (12), 9 states have call predecessors, (12), 8 states have call successors, (12) [2024-11-23 01:32:55,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1000 states to 1000 states and 1383 transitions. [2024-11-23 01:32:55,745 INFO L78 Accepts]: Start accepts. Automaton has 1000 states and 1383 transitions. Word has length 110 [2024-11-23 01:32:55,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:32:55,745 INFO L471 AbstractCegarLoop]: Abstraction has 1000 states and 1383 transitions. [2024-11-23 01:32:55,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 47.5) internal successors, (95), 3 states have internal predecessors, (95), 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) [2024-11-23 01:32:55,746 INFO L276 IsEmpty]: Start isEmpty. Operand 1000 states and 1383 transitions. [2024-11-23 01:32:55,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-23 01:32:55,747 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:32:55,747 INFO L215 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:32:55,757 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-23 01:32:55,950 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-23 01:32:55,951 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-23 01:32:55,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:32:55,951 INFO L85 PathProgramCache]: Analyzing trace with hash 1409763259, now seen corresponding path program 1 times [2024-11-23 01:32:55,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:32:55,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254530231] [2024-11-23 01:32:55,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:32:55,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:32:56,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:32:56,282 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 6 proven. 27 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-23 01:32:56,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:32:56,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254530231] [2024-11-23 01:32:56,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254530231] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 01:32:56,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1761904309] [2024-11-23 01:32:56,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:32:56,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 01:32:56,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 01:32:56,286 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 01:32:56,287 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-23 01:32:56,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:32:56,601 INFO L255 TraceCheckSpWp]: Trace formula consists of 703 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-23 01:32:56,604 INFO L278 TraceCheckSpWp]: Computing forward predicates...