./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9e43379b3f2624d77eec1084820c7c07499f5ec4432514ab066d4f5cf96eeebc --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 16:28:48,022 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 16:28:48,071 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-13 16:28:48,074 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 16:28:48,074 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 16:28:48,096 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 16:28:48,097 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 16:28:48,097 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 16:28:48,097 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 16:28:48,098 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 16:28:48,098 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 16:28:48,098 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 16:28:48,098 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 16:28:48,099 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 16:28:48,099 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 16:28:48,099 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 16:28:48,099 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 16:28:48,100 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 16:28:48,100 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 16:28:48,100 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 16:28:48,100 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 16:28:48,103 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 16:28:48,103 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 16:28:48,103 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 16:28:48,105 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 16:28:48,105 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-13 16:28:48,106 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 16:28:48,106 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 16:28:48,106 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 16:28:48,106 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 16:28:48,106 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 16:28:48,106 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 16:28:48,106 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 16:28:48,106 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 16:28:48,107 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 16:28:48,107 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 16:28:48,107 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 16:28:48,107 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 16:28:48,107 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 16:28:48,107 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 16:28:48,107 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 16:28:48,109 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 16:28:48,109 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 16:28:48,109 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 16:28:48,109 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e43379b3f2624d77eec1084820c7c07499f5ec4432514ab066d4f5cf96eeebc [2024-10-13 16:28:48,307 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 16:28:48,329 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 16:28:48,331 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 16:28:48,332 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 16:28:48,332 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 16:28:48,334 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-2.i [2024-10-13 16:28:49,506 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 16:28:49,721 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 16:28:49,721 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-2.i [2024-10-13 16:28:49,736 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86f209629/0dcc2d2cedae40ffbdd1ee7b2ebd3654/FLAGcd5387284 [2024-10-13 16:28:50,056 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86f209629/0dcc2d2cedae40ffbdd1ee7b2ebd3654 [2024-10-13 16:28:50,057 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 16:28:50,058 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 16:28:50,060 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 16:28:50,060 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 16:28:50,064 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 16:28:50,064 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:28:50" (1/1) ... [2024-10-13 16:28:50,065 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40c03b31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:28:50, skipping insertion in model container [2024-10-13 16:28:50,065 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:28:50" (1/1) ... [2024-10-13 16:28:50,109 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 16:28:50,547 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 16:28:50,559 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 16:28:50,637 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 16:28:50,676 INFO L204 MainTranslator]: Completed translation [2024-10-13 16:28:50,677 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:28:50 WrapperNode [2024-10-13 16:28:50,677 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 16:28:50,677 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 16:28:50,677 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 16:28:50,678 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 16:28:50,682 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:28:50" (1/1) ... [2024-10-13 16:28:50,710 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:28:50" (1/1) ... [2024-10-13 16:28:50,763 INFO L138 Inliner]: procedures = 176, calls = 323, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1595 [2024-10-13 16:28:50,764 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 16:28:50,764 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 16:28:50,765 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 16:28:50,765 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 16:28:50,772 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:28:50" (1/1) ... [2024-10-13 16:28:50,773 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:28:50" (1/1) ... [2024-10-13 16:28:50,786 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:28:50" (1/1) ... [2024-10-13 16:28:50,860 INFO L175 MemorySlicer]: Split 301 memory accesses to 3 slices as follows [2, 34, 265]. 88 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 62 writes are split as follows [0, 4, 58]. [2024-10-13 16:28:50,860 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:28:50" (1/1) ... [2024-10-13 16:28:50,860 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:28:50" (1/1) ... [2024-10-13 16:28:50,891 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:28:50" (1/1) ... [2024-10-13 16:28:50,901 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:28:50" (1/1) ... [2024-10-13 16:28:50,907 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:28:50" (1/1) ... [2024-10-13 16:28:50,912 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:28:50" (1/1) ... [2024-10-13 16:28:50,919 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 16:28:50,919 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 16:28:50,920 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 16:28:50,920 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 16:28:50,921 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:28:50" (1/1) ... [2024-10-13 16:28:50,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 16:28:50,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:28:50,946 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) [2024-10-13 16:28:50,948 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 [2024-10-13 16:28:50,982 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-10-13 16:28:50,982 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-10-13 16:28:50,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-13 16:28:50,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-13 16:28:50,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-13 16:28:50,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-13 16:28:50,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-13 16:28:50,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-13 16:28:50,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-10-13 16:28:50,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-10-13 16:28:50,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-10-13 16:28:50,985 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-10-13 16:28:50,985 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-10-13 16:28:51,004 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-10-13 16:28:51,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-13 16:28:51,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 16:28:51,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-13 16:28:51,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-13 16:28:51,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-13 16:28:51,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-13 16:28:51,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-13 16:28:51,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-13 16:28:51,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-13 16:28:51,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-13 16:28:51,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 16:28:51,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-13 16:28:51,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-13 16:28:51,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 16:28:51,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 16:28:51,230 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 16:28:51,232 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 16:28:52,386 INFO L? ?]: Removed 344 outVars from TransFormulas that were not future-live. [2024-10-13 16:28:52,386 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 16:28:52,421 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 16:28:52,424 INFO L314 CfgBuilder]: Removed 72 assume(true) statements. [2024-10-13 16:28:52,424 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:28:52 BoogieIcfgContainer [2024-10-13 16:28:52,424 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 16:28:52,426 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 16:28:52,426 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 16:28:52,429 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 16:28:52,429 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 04:28:50" (1/3) ... [2024-10-13 16:28:52,429 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f327200 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 04:28:52, skipping insertion in model container [2024-10-13 16:28:52,429 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:28:50" (2/3) ... [2024-10-13 16:28:52,429 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f327200 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 04:28:52, skipping insertion in model container [2024-10-13 16:28:52,430 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:28:52" (3/3) ... [2024-10-13 16:28:52,431 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test7-2.i [2024-10-13 16:28:52,443 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 16:28:52,443 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-10-13 16:28:52,504 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 16:28:52,508 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;@2dca850d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 16:28:52,508 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-10-13 16:28:52,514 INFO L276 IsEmpty]: Start isEmpty. Operand has 439 states, 425 states have (on average 1.6352941176470588) internal successors, (695), 432 states have internal predecessors, (695), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-13 16:28:52,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-13 16:28:52,519 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:28:52,519 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-13 16:28:52,520 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-13 16:28:52,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:28:52,525 INFO L85 PathProgramCache]: Analyzing trace with hash -2032968311, now seen corresponding path program 1 times [2024-10-13 16:28:52,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:28:52,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57568573] [2024-10-13 16:28:52,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:28:52,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:28:52,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:28:52,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:28:52,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:28:52,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57568573] [2024-10-13 16:28:52,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57568573] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:28:52,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:28:52,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 16:28:52,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158711005] [2024-10-13 16:28:52,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:28:52,675 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-13 16:28:52,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:28:52,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-13 16:28:52,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 16:28:52,696 INFO L87 Difference]: Start difference. First operand has 439 states, 425 states have (on average 1.6352941176470588) internal successors, (695), 432 states have internal predecessors, (695), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:28:52,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:28:52,765 INFO L93 Difference]: Finished difference Result 874 states and 1407 transitions. [2024-10-13 16:28:52,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-13 16:28:52,767 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-10-13 16:28:52,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:28:52,774 INFO L225 Difference]: With dead ends: 874 [2024-10-13 16:28:52,775 INFO L226 Difference]: Without dead ends: 395 [2024-10-13 16:28:52,777 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 [2024-10-13 16:28:52,779 INFO L432 NwaCegarLoop]: 619 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 619 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 16:28:52,780 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 619 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 16:28:52,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2024-10-13 16:28:52,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 395. [2024-10-13 16:28:52,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 395 states, 385 states have (on average 1.4597402597402598) internal successors, (562), 390 states have internal predecessors, (562), 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) [2024-10-13 16:28:52,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 568 transitions. [2024-10-13 16:28:52,822 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 568 transitions. Word has length 6 [2024-10-13 16:28:52,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:28:52,822 INFO L471 AbstractCegarLoop]: Abstraction has 395 states and 568 transitions. [2024-10-13 16:28:52,822 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:28:52,822 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 568 transitions. [2024-10-13 16:28:52,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-13 16:28:52,822 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:28:52,822 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-13 16:28:52,823 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 16:28:52,823 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)] === [2024-10-13 16:28:52,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:28:52,823 INFO L85 PathProgramCache]: Analyzing trace with hash -2032966389, now seen corresponding path program 1 times [2024-10-13 16:28:52,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:28:52,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287060486] [2024-10-13 16:28:52,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:28:52,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:28:52,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 16:28:52,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1486685685] [2024-10-13 16:28:52,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:28:52,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:28:52,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:28:52,893 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) [2024-10-13 16:28:52,894 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-13 16:28:53,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:28:53,034 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 16:28:53,038 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:28:53,064 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 [2024-10-13 16:28:53,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:28:53,101 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 16:28:53,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:28:53,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287060486] [2024-10-13 16:28:53,102 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 16:28:53,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1486685685] [2024-10-13 16:28:53,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1486685685] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:28:53,102 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:28:53,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 16:28:53,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176547068] [2024-10-13 16:28:53,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:28:53,103 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 16:28:53,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:28:53,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 16:28:53,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 16:28:53,104 INFO L87 Difference]: Start difference. First operand 395 states and 568 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:28:53,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:28:53,212 INFO L93 Difference]: Finished difference Result 786 states and 1132 transitions. [2024-10-13 16:28:53,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 16:28:53,213 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-10-13 16:28:53,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:28:53,218 INFO L225 Difference]: With dead ends: 786 [2024-10-13 16:28:53,219 INFO L226 Difference]: Without dead ends: 784 [2024-10-13 16:28:53,219 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 [2024-10-13 16:28:53,220 INFO L432 NwaCegarLoop]: 586 mSDtfsCounter, 551 mSDsluCounter, 1126 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 554 SdHoareTripleChecker+Valid, 1712 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 16:28:53,221 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [554 Valid, 1712 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 16:28:53,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 784 states. [2024-10-13 16:28:53,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 784 to 401. [2024-10-13 16:28:53,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 391 states have (on average 1.4552429667519182) internal successors, (569), 396 states have internal predecessors, (569), 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) [2024-10-13 16:28:53,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 575 transitions. [2024-10-13 16:28:53,253 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 575 transitions. Word has length 6 [2024-10-13 16:28:53,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:28:53,254 INFO L471 AbstractCegarLoop]: Abstraction has 401 states and 575 transitions. [2024-10-13 16:28:53,254 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:28:53,255 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 575 transitions. [2024-10-13 16:28:53,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-10-13 16:28:53,258 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:28:53,258 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] [2024-10-13 16:28:53,271 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-13 16:28:53,459 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 [2024-10-13 16:28:53,459 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)] === [2024-10-13 16:28:53,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:28:53,460 INFO L85 PathProgramCache]: Analyzing trace with hash -1776714407, now seen corresponding path program 1 times [2024-10-13 16:28:53,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:28:53,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574318676] [2024-10-13 16:28:53,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:28:53,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:28:53,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:28:53,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:28:53,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:28:53,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574318676] [2024-10-13 16:28:53,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574318676] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:28:53,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:28:53,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 16:28:53,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259332867] [2024-10-13 16:28:53,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:28:53,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 16:28:53,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:28:53,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 16:28:53,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 16:28:53,793 INFO L87 Difference]: Start difference. First operand 401 states and 575 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:28:53,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:28:53,882 INFO L93 Difference]: Finished difference Result 971 states and 1402 transitions. [2024-10-13 16:28:53,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 16:28:53,883 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 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 70 [2024-10-13 16:28:53,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:28:53,886 INFO L225 Difference]: With dead ends: 971 [2024-10-13 16:28:53,886 INFO L226 Difference]: Without dead ends: 783 [2024-10-13 16:28:53,886 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 [2024-10-13 16:28:53,887 INFO L432 NwaCegarLoop]: 588 mSDtfsCounter, 552 mSDsluCounter, 1129 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 555 SdHoareTripleChecker+Valid, 1717 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 16:28:53,887 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [555 Valid, 1717 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 16:28:53,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 783 states. [2024-10-13 16:28:53,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 783 to 401. [2024-10-13 16:28:53,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 391 states have (on average 1.4526854219948848) internal successors, (568), 396 states have internal predecessors, (568), 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) [2024-10-13 16:28:53,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 574 transitions. [2024-10-13 16:28:53,902 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 574 transitions. Word has length 70 [2024-10-13 16:28:53,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:28:53,903 INFO L471 AbstractCegarLoop]: Abstraction has 401 states and 574 transitions. [2024-10-13 16:28:53,903 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:28:53,903 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 574 transitions. [2024-10-13 16:28:53,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-10-13 16:28:53,907 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:28:53,907 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] [2024-10-13 16:28:53,908 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 16:28:53,908 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-13 16:28:53,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:28:53,908 INFO L85 PathProgramCache]: Analyzing trace with hash 1030865127, now seen corresponding path program 1 times [2024-10-13 16:28:53,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:28:53,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415687467] [2024-10-13 16:28:53,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:28:53,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:28:53,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:28:54,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:28:54,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:28:54,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415687467] [2024-10-13 16:28:54,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415687467] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:28:54,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:28:54,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 16:28:54,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978397709] [2024-10-13 16:28:54,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:28:54,118 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 16:28:54,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:28:54,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 16:28:54,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 16:28:54,136 INFO L87 Difference]: Start difference. First operand 401 states and 574 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:28:54,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:28:54,210 INFO L93 Difference]: Finished difference Result 753 states and 1075 transitions. [2024-10-13 16:28:54,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 16:28:54,210 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2024-10-13 16:28:54,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:28:54,213 INFO L225 Difference]: With dead ends: 753 [2024-10-13 16:28:54,213 INFO L226 Difference]: Without dead ends: 359 [2024-10-13 16:28:54,214 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 16:28:54,216 INFO L432 NwaCegarLoop]: 463 mSDtfsCounter, 12 mSDsluCounter, 1363 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 1826 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 16:28:54,217 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 1826 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 16:28:54,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2024-10-13 16:28:54,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 359. [2024-10-13 16:28:54,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 359 states, 349 states have (on average 1.4068767908309456) internal successors, (491), 354 states have internal predecessors, (491), 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) [2024-10-13 16:28:54,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 497 transitions. [2024-10-13 16:28:54,227 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 497 transitions. Word has length 80 [2024-10-13 16:28:54,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:28:54,227 INFO L471 AbstractCegarLoop]: Abstraction has 359 states and 497 transitions. [2024-10-13 16:28:54,228 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:28:54,228 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 497 transitions. [2024-10-13 16:28:54,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-10-13 16:28:54,229 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:28:54,230 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] [2024-10-13 16:28:54,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 16:28:54,230 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)] === [2024-10-13 16:28:54,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:28:54,230 INFO L85 PathProgramCache]: Analyzing trace with hash -755800423, now seen corresponding path program 1 times [2024-10-13 16:28:54,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:28:54,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173659789] [2024-10-13 16:28:54,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:28:54,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:28:54,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:28:54,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:28:54,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:28:54,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173659789] [2024-10-13 16:28:54,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173659789] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:28:54,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:28:54,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 16:28:54,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300316398] [2024-10-13 16:28:54,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:28:54,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 16:28:54,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:28:54,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 16:28:54,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 16:28:54,362 INFO L87 Difference]: Start difference. First operand 359 states and 497 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:28:54,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:28:54,399 INFO L93 Difference]: Finished difference Result 711 states and 987 transitions. [2024-10-13 16:28:54,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 16:28:54,399 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2024-10-13 16:28:54,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:28:54,401 INFO L225 Difference]: With dead ends: 711 [2024-10-13 16:28:54,401 INFO L226 Difference]: Without dead ends: 359 [2024-10-13 16:28:54,401 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 16:28:54,403 INFO L432 NwaCegarLoop]: 477 mSDtfsCounter, 1 mSDsluCounter, 456 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 933 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 16:28:54,403 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 933 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 16:28:54,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2024-10-13 16:28:54,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 359. [2024-10-13 16:28:54,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 359 states, 349 states have (on average 1.3982808022922637) internal successors, (488), 354 states have internal predecessors, (488), 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) [2024-10-13 16:28:54,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 494 transitions. [2024-10-13 16:28:54,409 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 494 transitions. Word has length 80 [2024-10-13 16:28:54,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:28:54,409 INFO L471 AbstractCegarLoop]: Abstraction has 359 states and 494 transitions. [2024-10-13 16:28:54,409 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:28:54,409 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 494 transitions. [2024-10-13 16:28:54,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-10-13 16:28:54,410 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:28:54,410 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] [2024-10-13 16:28:54,410 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 16:28:54,410 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-13 16:28:54,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:28:54,410 INFO L85 PathProgramCache]: Analyzing trace with hash 2081085085, now seen corresponding path program 1 times [2024-10-13 16:28:54,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:28:54,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995280730] [2024-10-13 16:28:54,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:28:54,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:28:54,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:28:54,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:28:54,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:28:54,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995280730] [2024-10-13 16:28:54,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995280730] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:28:54,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:28:54,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 16:28:54,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217920512] [2024-10-13 16:28:54,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:28:54,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 16:28:54,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:28:54,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 16:28:54,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 16:28:54,531 INFO L87 Difference]: Start difference. First operand 359 states and 494 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 2 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:28:54,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:28:54,598 INFO L93 Difference]: Finished difference Result 961 states and 1337 transitions. [2024-10-13 16:28:54,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 16:28:54,599 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 2 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2024-10-13 16:28:54,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:28:54,601 INFO L225 Difference]: With dead ends: 961 [2024-10-13 16:28:54,601 INFO L226 Difference]: Without dead ends: 609 [2024-10-13 16:28:54,601 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 16:28:54,602 INFO L432 NwaCegarLoop]: 668 mSDtfsCounter, 296 mSDsluCounter, 461 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 296 SdHoareTripleChecker+Valid, 1129 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 16:28:54,602 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [296 Valid, 1129 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 16:28:54,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 609 states. [2024-10-13 16:28:54,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 609 to 606. [2024-10-13 16:28:54,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 606 states, 596 states have (on average 1.4110738255033557) internal successors, (841), 601 states have internal predecessors, (841), 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) [2024-10-13 16:28:54,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 606 states and 847 transitions. [2024-10-13 16:28:54,613 INFO L78 Accepts]: Start accepts. Automaton has 606 states and 847 transitions. Word has length 80 [2024-10-13 16:28:54,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:28:54,613 INFO L471 AbstractCegarLoop]: Abstraction has 606 states and 847 transitions. [2024-10-13 16:28:54,613 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 2 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:28:54,613 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 847 transitions. [2024-10-13 16:28:54,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-10-13 16:28:54,616 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:28:54,616 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-13 16:28:54,616 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 16:28:54,616 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-13 16:28:54,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:28:54,617 INFO L85 PathProgramCache]: Analyzing trace with hash -2091793136, now seen corresponding path program 1 times [2024-10-13 16:28:54,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:28:54,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607214333] [2024-10-13 16:28:54,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:28:54,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:28:54,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:28:54,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-13 16:28:54,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:28:54,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 16:28:54,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:28:54,890 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-13 16:28:54,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:28:54,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607214333] [2024-10-13 16:28:54,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607214333] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:28:54,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:28:54,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 16:28:54,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934025730] [2024-10-13 16:28:54,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:28:54,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 16:28:54,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:28:54,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 16:28:54,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 16:28:54,894 INFO L87 Difference]: Start difference. First operand 606 states and 847 transitions. Second operand has 5 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 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) [2024-10-13 16:28:55,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:28:55,118 INFO L93 Difference]: Finished difference Result 894 states and 1258 transitions. [2024-10-13 16:28:55,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 16:28:55,118 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 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 93 [2024-10-13 16:28:55,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:28:55,122 INFO L225 Difference]: With dead ends: 894 [2024-10-13 16:28:55,122 INFO L226 Difference]: Without dead ends: 892 [2024-10-13 16:28:55,122 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-13 16:28:55,123 INFO L432 NwaCegarLoop]: 461 mSDtfsCounter, 385 mSDsluCounter, 1307 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 387 SdHoareTripleChecker+Valid, 1768 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 16:28:55,123 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [387 Valid, 1768 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 16:28:55,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states. [2024-10-13 16:28:55,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 670. [2024-10-13 16:28:55,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 670 states, 657 states have (on average 1.3987823439878235) internal successors, (919), 662 states have internal predecessors, (919), 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) [2024-10-13 16:28:55,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 670 states and 931 transitions. [2024-10-13 16:28:55,136 INFO L78 Accepts]: Start accepts. Automaton has 670 states and 931 transitions. Word has length 93 [2024-10-13 16:28:55,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:28:55,136 INFO L471 AbstractCegarLoop]: Abstraction has 670 states and 931 transitions. [2024-10-13 16:28:55,136 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 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) [2024-10-13 16:28:55,136 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 931 transitions. [2024-10-13 16:28:55,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-10-13 16:28:55,137 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:28:55,137 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-13 16:28:55,137 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-13 16:28:55,137 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-13 16:28:55,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:28:55,138 INFO L85 PathProgramCache]: Analyzing trace with hash -397802193, now seen corresponding path program 1 times [2024-10-13 16:28:55,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:28:55,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2156722] [2024-10-13 16:28:55,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:28:55,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:28:55,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:28:55,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-13 16:28:55,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:28:55,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 16:28:55,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:28:55,427 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-13 16:28:55,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:28:55,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2156722] [2024-10-13 16:28:55,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2156722] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 16:28:55,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1609747452] [2024-10-13 16:28:55,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:28:55,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:28:55,428 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:28:55,430 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) [2024-10-13 16:28:55,431 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-13 16:28:55,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:28:55,683 INFO L255 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-10-13 16:28:55,688 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:28:55,691 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 [2024-10-13 16:28:55,706 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 [2024-10-13 16:28:55,721 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 23 treesize of output 22 [2024-10-13 16:28:56,295 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-13 16:28:56,296 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 16:28:56,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1609747452] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:28:56,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 16:28:56,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [5] total 14 [2024-10-13 16:28:56,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871670830] [2024-10-13 16:28:56,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:28:56,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 16:28:56,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:28:56,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 16:28:56,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-10-13 16:28:56,299 INFO L87 Difference]: Start difference. First operand 670 states and 931 transitions. Second operand has 11 states, 11 states have (on average 8.454545454545455) internal successors, (93), 10 states have internal predecessors, (93), 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) [2024-10-13 16:28:57,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:28:57,608 INFO L93 Difference]: Finished difference Result 1517 states and 2132 transitions. [2024-10-13 16:28:57,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-13 16:28:57,608 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.454545454545455) internal successors, (93), 10 states have internal predecessors, (93), 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 99 [2024-10-13 16:28:57,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:28:57,611 INFO L225 Difference]: With dead ends: 1517 [2024-10-13 16:28:57,611 INFO L226 Difference]: Without dead ends: 892 [2024-10-13 16:28:57,611 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 92 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=101, Invalid=361, Unknown=0, NotChecked=0, Total=462 [2024-10-13 16:28:57,612 INFO L432 NwaCegarLoop]: 493 mSDtfsCounter, 577 mSDsluCounter, 2835 mSDsCounter, 0 mSdLazyCounter, 872 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 579 SdHoareTripleChecker+Valid, 3328 SdHoareTripleChecker+Invalid, 877 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 872 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-13 16:28:57,612 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [579 Valid, 3328 Invalid, 877 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 872 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-13 16:28:57,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states. [2024-10-13 16:28:57,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 670. [2024-10-13 16:28:57,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 670 states, 657 states have (on average 1.3972602739726028) internal successors, (918), 662 states have internal predecessors, (918), 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) [2024-10-13 16:28:57,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 670 states and 930 transitions. [2024-10-13 16:28:57,624 INFO L78 Accepts]: Start accepts. Automaton has 670 states and 930 transitions. Word has length 99 [2024-10-13 16:28:57,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:28:57,624 INFO L471 AbstractCegarLoop]: Abstraction has 670 states and 930 transitions. [2024-10-13 16:28:57,624 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.454545454545455) internal successors, (93), 10 states have internal predecessors, (93), 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) [2024-10-13 16:28:57,624 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 930 transitions. [2024-10-13 16:28:57,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-10-13 16:28:57,625 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:28:57,625 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-13 16:28:57,640 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-13 16:28:57,825 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,SelfDestructingSolverStorable7 [2024-10-13 16:28:57,826 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)] === [2024-10-13 16:28:57,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:28:57,826 INFO L85 PathProgramCache]: Analyzing trace with hash -1122131666, now seen corresponding path program 1 times [2024-10-13 16:28:57,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:28:57,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141100589] [2024-10-13 16:28:57,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:28:57,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:28:57,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:28:58,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 16:28:58,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:28:58,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 16:28:58,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:28:58,116 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-13 16:28:58,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:28:58,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141100589] [2024-10-13 16:28:58,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141100589] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 16:28:58,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1560793780] [2024-10-13 16:28:58,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:28:58,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:28:58,117 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:28:58,119 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) [2024-10-13 16:28:58,120 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-13 16:28:58,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:28:58,507 INFO L255 TraceCheckSpWp]: Trace formula consists of 604 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-10-13 16:28:58,511 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:29:20,671 WARN L286 SmtUtils]: Spent 5.67s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-10-13 16:30:25,549 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)