./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_FNV_test8-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-1.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 b6c6a722152c52daf4f5e799c877f12032a99023b4a9ea1a935c1ce634969e85 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 23:31:55,856 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 23:31:55,927 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-11 23:31:55,934 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 23:31:55,934 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 23:31:55,968 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 23:31:55,968 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 23:31:55,969 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 23:31:55,969 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 23:31:55,970 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 23:31:55,971 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 23:31:55,971 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 23:31:55,972 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 23:31:55,972 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 23:31:55,974 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 23:31:55,974 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 23:31:55,975 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 23:31:55,975 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 23:31:55,975 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 23:31:55,976 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 23:31:55,976 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 23:31:55,980 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 23:31:55,980 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 23:31:55,980 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 23:31:55,981 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 23:31:55,981 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-11 23:31:55,981 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 23:31:55,981 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 23:31:55,982 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 23:31:55,982 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 23:31:55,982 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 23:31:55,982 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 23:31:55,983 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 23:31:55,983 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 23:31:55,983 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 23:31:55,983 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 23:31:55,984 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 23:31:55,984 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 23:31:55,984 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 23:31:55,984 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 23:31:55,985 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 23:31:55,985 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 23:31:55,986 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 23:31:55,986 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 23:31:55,986 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6c6a722152c52daf4f5e799c877f12032a99023b4a9ea1a935c1ce634969e85 [2024-10-11 23:31:56,245 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 23:31:56,271 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 23:31:56,274 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 23:31:56,275 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 23:31:56,276 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 23:31:56,277 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-1.i [2024-10-11 23:31:57,731 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 23:31:58,002 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 23:31:58,005 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-1.i [2024-10-11 23:31:58,035 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/5d3ce28cb/c9a359cc3f634ffb86de903535883225/FLAGd1362b938 [2024-10-11 23:31:58,048 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/5d3ce28cb/c9a359cc3f634ffb86de903535883225 [2024-10-11 23:31:58,050 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 23:31:58,052 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 23:31:58,053 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 23:31:58,053 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 23:31:58,060 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 23:31:58,060 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 11:31:58" (1/1) ... [2024-10-11 23:31:58,061 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a73d83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:31:58, skipping insertion in model container [2024-10-11 23:31:58,061 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 11:31:58" (1/1) ... [2024-10-11 23:31:58,124 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 23:31:58,614 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 23:31:58,627 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 23:31:58,737 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 23:31:58,784 INFO L204 MainTranslator]: Completed translation [2024-10-11 23:31:58,785 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:31:58 WrapperNode [2024-10-11 23:31:58,785 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 23:31:58,786 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 23:31:58,786 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 23:31:58,787 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 23:31:58,793 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:31:58" (1/1) ... [2024-10-11 23:31:58,835 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:31:58" (1/1) ... [2024-10-11 23:31:58,922 INFO L138 Inliner]: procedures = 177, calls = 291, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1429 [2024-10-11 23:31:58,923 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 23:31:58,924 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 23:31:58,924 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 23:31:58,924 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 23:31:58,934 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:31:58" (1/1) ... [2024-10-11 23:31:58,935 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:31:58" (1/1) ... [2024-10-11 23:31:58,968 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:31:58" (1/1) ... [2024-10-11 23:31:59,081 INFO L175 MemorySlicer]: Split 256 memory accesses to 3 slices as follows [2, 34, 220]. 86 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 54 writes are split as follows [0, 4, 50]. [2024-10-11 23:31:59,082 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:31:58" (1/1) ... [2024-10-11 23:31:59,082 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:31:58" (1/1) ... [2024-10-11 23:31:59,133 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:31:58" (1/1) ... [2024-10-11 23:31:59,154 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:31:58" (1/1) ... [2024-10-11 23:31:59,160 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:31:58" (1/1) ... [2024-10-11 23:31:59,165 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:31:58" (1/1) ... [2024-10-11 23:31:59,173 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 23:31:59,173 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 23:31:59,174 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 23:31:59,174 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 23:31:59,174 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:31:58" (1/1) ... [2024-10-11 23:31:59,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 23:31:59,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:31:59,210 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 23:31:59,216 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 23:31:59,256 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-10-11 23:31:59,257 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-10-11 23:31:59,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-11 23:31:59,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-11 23:31:59,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-11 23:31:59,257 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-11 23:31:59,258 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-11 23:31:59,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-11 23:31:59,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-11 23:31:59,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-11 23:31:59,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-10-11 23:31:59,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-10-11 23:31:59,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-10-11 23:31:59,260 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-10-11 23:31:59,260 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-10-11 23:31:59,260 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-10-11 23:31:59,260 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2024-10-11 23:31:59,260 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2024-10-11 23:31:59,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-11 23:31:59,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 23:31:59,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-11 23:31:59,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-11 23:31:59,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-11 23:31:59,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-11 23:31:59,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-11 23:31:59,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-11 23:31:59,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-11 23:31:59,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-11 23:31:59,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 23:31:59,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-11 23:31:59,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-11 23:31:59,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 23:31:59,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 23:31:59,490 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 23:31:59,492 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 23:32:00,879 INFO L? ?]: Removed 339 outVars from TransFormulas that were not future-live. [2024-10-11 23:32:00,879 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 23:32:00,926 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 23:32:00,926 INFO L314 CfgBuilder]: Removed 62 assume(true) statements. [2024-10-11 23:32:00,927 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 11:32:00 BoogieIcfgContainer [2024-10-11 23:32:00,927 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 23:32:00,928 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 23:32:00,929 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 23:32:00,934 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 23:32:00,934 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 11:31:58" (1/3) ... [2024-10-11 23:32:00,935 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18568e20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 11:32:00, skipping insertion in model container [2024-10-11 23:32:00,935 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:31:58" (2/3) ... [2024-10-11 23:32:00,935 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18568e20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 11:32:00, skipping insertion in model container [2024-10-11 23:32:00,935 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 11:32:00" (3/3) ... [2024-10-11 23:32:00,936 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test8-1.i [2024-10-11 23:32:00,951 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 23:32:00,951 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-10-11 23:32:01,022 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 23:32:01,029 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;@72f833db, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 23:32:01,030 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-10-11 23:32:01,036 INFO L276 IsEmpty]: Start isEmpty. Operand has 447 states, 412 states have (on average 1.6407766990291262) internal successors, (676), 437 states have internal predecessors, (676), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 8 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-11 23:32:01,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-11 23:32:01,042 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:32:01,043 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-11 23:32:01,043 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 23:32:01,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:32:01,048 INFO L85 PathProgramCache]: Analyzing trace with hash 2126489589, now seen corresponding path program 1 times [2024-10-11 23:32:01,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:32:01,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145728295] [2024-10-11 23:32:01,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:32:01,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:32:01,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 23:32:01,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1494363070] [2024-10-11 23:32:01,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:32:01,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:32:01,197 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:32:01,199 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 23:32:01,201 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 23:32:01,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:32:01,354 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 23:32:01,358 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:32:01,405 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 [2024-10-11 23:32:01,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:32:01,452 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 23:32:01,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:32:01,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145728295] [2024-10-11 23:32:01,453 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 23:32:01,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1494363070] [2024-10-11 23:32:01,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1494363070] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:32:01,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:32:01,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 23:32:01,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167733761] [2024-10-11 23:32:01,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:32:01,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 23:32:01,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:32:01,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 23:32:01,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 23:32:01,491 INFO L87 Difference]: Start difference. First operand has 447 states, 412 states have (on average 1.6407766990291262) internal successors, (676), 437 states have internal predecessors, (676), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 8 states have call predecessors, (22), 22 states have call successors, (22) 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) [2024-10-11 23:32:01,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:32:01,700 INFO L93 Difference]: Finished difference Result 1287 states and 2098 transitions. [2024-10-11 23:32:01,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 23:32:01,704 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 [2024-10-11 23:32:01,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:32:01,727 INFO L225 Difference]: With dead ends: 1287 [2024-10-11 23:32:01,728 INFO L226 Difference]: Without dead ends: 834 [2024-10-11 23:32:01,733 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 [2024-10-11 23:32:01,736 INFO L432 NwaCegarLoop]: 621 mSDtfsCounter, 556 mSDsluCounter, 1238 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 561 SdHoareTripleChecker+Valid, 1859 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 23:32:01,736 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [561 Valid, 1859 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 23:32:01,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 834 states. [2024-10-11 23:32:01,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 834 to 445. [2024-10-11 23:32:01,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 445 states, 414 states have (on average 1.4710144927536233) internal successors, (609), 436 states have internal predecessors, (609), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-11 23:32:01,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 649 transitions. [2024-10-11 23:32:01,845 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 649 transitions. Word has length 6 [2024-10-11 23:32:01,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:32:01,845 INFO L471 AbstractCegarLoop]: Abstraction has 445 states and 649 transitions. [2024-10-11 23:32:01,852 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) [2024-10-11 23:32:01,852 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 649 transitions. [2024-10-11 23:32:01,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-11 23:32:01,852 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:32:01,852 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:32:01,871 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-11 23:32:02,056 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-10-11 23:32:02,057 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 23:32:02,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:32:02,058 INFO L85 PathProgramCache]: Analyzing trace with hash 1496668000, now seen corresponding path program 1 times [2024-10-11 23:32:02,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:32:02,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172412618] [2024-10-11 23:32:02,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:32:02,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:32:02,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 23:32:02,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1120371857] [2024-10-11 23:32:02,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:32:02,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:32:02,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:32:02,099 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 23:32:02,100 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-11 23:32:02,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:32:02,240 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 23:32:02,242 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:32:02,248 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 [2024-10-11 23:32:02,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:32:02,283 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 23:32:02,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:32:02,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172412618] [2024-10-11 23:32:02,283 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 23:32:02,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1120371857] [2024-10-11 23:32:02,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1120371857] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:32:02,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:32:02,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 23:32:02,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332592456] [2024-10-11 23:32:02,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:32:02,285 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 23:32:02,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:32:02,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 23:32:02,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 23:32:02,286 INFO L87 Difference]: Start difference. First operand 445 states and 649 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2024-10-11 23:32:02,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:32:02,420 INFO L93 Difference]: Finished difference Result 834 states and 1212 transitions. [2024-10-11 23:32:02,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 23:32:02,420 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 7 [2024-10-11 23:32:02,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:32:02,426 INFO L225 Difference]: With dead ends: 834 [2024-10-11 23:32:02,428 INFO L226 Difference]: Without dead ends: 833 [2024-10-11 23:32:02,429 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 23:32:02,430 INFO L432 NwaCegarLoop]: 617 mSDtfsCounter, 552 mSDsluCounter, 1229 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 557 SdHoareTripleChecker+Valid, 1846 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 23:32:02,430 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [557 Valid, 1846 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 23:32:02,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 833 states. [2024-10-11 23:32:02,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 833 to 446. [2024-10-11 23:32:02,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 446 states, 415 states have (on average 1.4698795180722892) internal successors, (610), 437 states have internal predecessors, (610), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-11 23:32:02,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 650 transitions. [2024-10-11 23:32:02,459 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 650 transitions. Word has length 7 [2024-10-11 23:32:02,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:32:02,460 INFO L471 AbstractCegarLoop]: Abstraction has 446 states and 650 transitions. [2024-10-11 23:32:02,460 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2024-10-11 23:32:02,460 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 650 transitions. [2024-10-11 23:32:02,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-10-11 23:32:02,463 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:32:02,463 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:32:02,475 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-11 23:32:02,664 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:32:02,664 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 23:32:02,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:32:02,665 INFO L85 PathProgramCache]: Analyzing trace with hash -54468696, now seen corresponding path program 1 times [2024-10-11 23:32:02,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:32:02,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899010480] [2024-10-11 23:32:02,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:32:02,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:32:02,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:32:03,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:32:03,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:32:03,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899010480] [2024-10-11 23:32:03,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899010480] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:32:03,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:32:03,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 23:32:03,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705547337] [2024-10-11 23:32:03,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:32:03,111 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 23:32:03,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:32:03,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 23:32:03,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 23:32:03,112 INFO L87 Difference]: Start difference. First operand 446 states and 650 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:32:03,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:32:03,254 INFO L93 Difference]: Finished difference Result 1063 states and 1555 transitions. [2024-10-11 23:32:03,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 23:32:03,254 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2024-10-11 23:32:03,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:32:03,260 INFO L225 Difference]: With dead ends: 1063 [2024-10-11 23:32:03,260 INFO L226 Difference]: Without dead ends: 832 [2024-10-11 23:32:03,261 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 [2024-10-11 23:32:03,264 INFO L432 NwaCegarLoop]: 619 mSDtfsCounter, 554 mSDsluCounter, 1232 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 559 SdHoareTripleChecker+Valid, 1851 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 23:32:03,265 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [559 Valid, 1851 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 23:32:03,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 832 states. [2024-10-11 23:32:03,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 832 to 446. [2024-10-11 23:32:03,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 446 states, 415 states have (on average 1.4674698795180723) internal successors, (609), 437 states have internal predecessors, (609), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-11 23:32:03,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 649 transitions. [2024-10-11 23:32:03,289 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 649 transitions. Word has length 71 [2024-10-11 23:32:03,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:32:03,289 INFO L471 AbstractCegarLoop]: Abstraction has 446 states and 649 transitions. [2024-10-11 23:32:03,289 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:32:03,290 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 649 transitions. [2024-10-11 23:32:03,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-10-11 23:32:03,294 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:32:03,294 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:32:03,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 23:32:03,295 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 23:32:03,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:32:03,295 INFO L85 PathProgramCache]: Analyzing trace with hash 960013521, now seen corresponding path program 1 times [2024-10-11 23:32:03,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:32:03,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755161389] [2024-10-11 23:32:03,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:32:03,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:32:03,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:32:03,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:32:03,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:32:03,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755161389] [2024-10-11 23:32:03,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755161389] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:32:03,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:32:03,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 23:32:03,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961299087] [2024-10-11 23:32:03,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:32:03,531 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 23:32:03,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:32:03,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 23:32:03,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 23:32:03,532 INFO L87 Difference]: Start difference. First operand 446 states and 649 transitions. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:32:03,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:32:03,629 INFO L93 Difference]: Finished difference Result 843 states and 1225 transitions. [2024-10-11 23:32:03,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 23:32:03,630 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2024-10-11 23:32:03,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:32:03,632 INFO L225 Difference]: With dead ends: 843 [2024-10-11 23:32:03,633 INFO L226 Difference]: Without dead ends: 404 [2024-10-11 23:32:03,634 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 [2024-10-11 23:32:03,635 INFO L432 NwaCegarLoop]: 537 mSDtfsCounter, 30 mSDsluCounter, 1057 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 1594 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 23:32:03,637 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 1594 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 23:32:03,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2024-10-11 23:32:03,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 404. [2024-10-11 23:32:03,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 373 states have (on average 1.4262734584450403) internal successors, (532), 395 states have internal predecessors, (532), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-11 23:32:03,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 572 transitions. [2024-10-11 23:32:03,652 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 572 transitions. Word has length 82 [2024-10-11 23:32:03,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:32:03,653 INFO L471 AbstractCegarLoop]: Abstraction has 404 states and 572 transitions. [2024-10-11 23:32:03,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:32:03,653 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 572 transitions. [2024-10-11 23:32:03,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-10-11 23:32:03,657 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:32:03,658 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:32:03,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 23:32:03,658 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 23:32:03,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:32:03,660 INFO L85 PathProgramCache]: Analyzing trace with hash 787876549, now seen corresponding path program 1 times [2024-10-11 23:32:03,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:32:03,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377938083] [2024-10-11 23:32:03,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:32:03,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:32:03,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:32:03,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:32:03,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:32:03,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377938083] [2024-10-11 23:32:03,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377938083] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:32:03,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:32:03,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 23:32:03,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401542725] [2024-10-11 23:32:03,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:32:03,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 23:32:03,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:32:03,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 23:32:03,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 23:32:03,880 INFO L87 Difference]: Start difference. First operand 404 states and 572 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 2 states have internal predecessors, (81), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:32:03,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:32:03,986 INFO L93 Difference]: Finished difference Result 1053 states and 1499 transitions. [2024-10-11 23:32:03,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 23:32:03,986 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 2 states have internal predecessors, (81), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2024-10-11 23:32:03,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:32:03,991 INFO L225 Difference]: With dead ends: 1053 [2024-10-11 23:32:03,991 INFO L226 Difference]: Without dead ends: 656 [2024-10-11 23:32:03,992 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 [2024-10-11 23:32:03,994 INFO L432 NwaCegarLoop]: 748 mSDtfsCounter, 297 mSDsluCounter, 534 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 1282 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 23:32:03,995 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [298 Valid, 1282 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 23:32:03,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 656 states. [2024-10-11 23:32:04,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 656 to 653. [2024-10-11 23:32:04,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 653 states, 621 states have (on average 1.431561996779388) internal successors, (889), 643 states have internal predecessors, (889), 21 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (21), 7 states have call predecessors, (21), 21 states have call successors, (21) [2024-10-11 23:32:04,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 653 states and 931 transitions. [2024-10-11 23:32:04,017 INFO L78 Accepts]: Start accepts. Automaton has 653 states and 931 transitions. Word has length 82 [2024-10-11 23:32:04,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:32:04,018 INFO L471 AbstractCegarLoop]: Abstraction has 653 states and 931 transitions. [2024-10-11 23:32:04,019 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 2 states have internal predecessors, (81), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:32:04,019 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 931 transitions. [2024-10-11 23:32:04,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-10-11 23:32:04,021 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:32:04,021 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, 1, 1] [2024-10-11 23:32:04,022 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 23:32:04,022 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 23:32:04,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:32:04,023 INFO L85 PathProgramCache]: Analyzing trace with hash 1961252698, now seen corresponding path program 1 times [2024-10-11 23:32:04,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:32:04,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183933704] [2024-10-11 23:32:04,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:32:04,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:32:04,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:32:04,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 23:32:04,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:32:04,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 23:32:04,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:32:04,352 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-11 23:32:04,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:32:04,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183933704] [2024-10-11 23:32:04,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183933704] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:32:04,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:32:04,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 23:32:04,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571738158] [2024-10-11 23:32:04,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:32:04,355 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 23:32:04,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:32:04,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 23:32:04,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 23:32:04,356 INFO L87 Difference]: Start difference. First operand 653 states and 931 transitions. Second operand has 5 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 23:32:04,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:32:04,860 INFO L93 Difference]: Finished difference Result 757 states and 1090 transitions. [2024-10-11 23:32:04,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 23:32:04,860 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 95 [2024-10-11 23:32:04,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:32:04,866 INFO L225 Difference]: With dead ends: 757 [2024-10-11 23:32:04,866 INFO L226 Difference]: Without dead ends: 755 [2024-10-11 23:32:04,867 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-11 23:32:04,868 INFO L432 NwaCegarLoop]: 487 mSDtfsCounter, 239 mSDsluCounter, 1379 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 1866 SdHoareTripleChecker+Invalid, 355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 23:32:04,868 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [255 Valid, 1866 Invalid, 355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 23:32:04,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 755 states. [2024-10-11 23:32:04,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 755 to 722. [2024-10-11 23:32:04,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 722 states, 685 states have (on average 1.4175182481751825) internal successors, (971), 707 states have internal predecessors, (971), 25 states have call successors, (25), 5 states have call predecessors, (25), 4 states have return successors, (25), 10 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-11 23:32:04,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 722 states and 1021 transitions. [2024-10-11 23:32:04,894 INFO L78 Accepts]: Start accepts. Automaton has 722 states and 1021 transitions. Word has length 95 [2024-10-11 23:32:04,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:32:04,895 INFO L471 AbstractCegarLoop]: Abstraction has 722 states and 1021 transitions. [2024-10-11 23:32:04,895 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 23:32:04,895 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 1021 transitions. [2024-10-11 23:32:04,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-10-11 23:32:04,898 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:32:04,898 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:32:04,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 23:32:04,899 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 23:32:04,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:32:04,899 INFO L85 PathProgramCache]: Analyzing trace with hash 1586480160, now seen corresponding path program 1 times [2024-10-11 23:32:04,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:32:04,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110192135] [2024-10-11 23:32:04,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:32:04,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:32:04,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:32:05,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 23:32:05,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:32:05,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 23:32:05,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:32:05,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 23:32:05,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:32:05,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 23:32:05,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:32:05,243 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-11 23:32:05,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:32:05,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110192135] [2024-10-11 23:32:05,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110192135] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:32:05,243 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:32:05,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 23:32:05,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230730814] [2024-10-11 23:32:05,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:32:05,244 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 23:32:05,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:32:05,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 23:32:05,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-11 23:32:05,245 INFO L87 Difference]: Start difference. First operand 722 states and 1021 transitions. Second operand has 6 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 23:32:05,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:32:05,772 INFO L93 Difference]: Finished difference Result 955 states and 1359 transitions. [2024-10-11 23:32:05,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 23:32:05,773 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 106 [2024-10-11 23:32:05,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:32:05,777 INFO L225 Difference]: With dead ends: 955 [2024-10-11 23:32:05,778 INFO L226 Difference]: Without dead ends: 953 [2024-10-11 23:32:05,779 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-11 23:32:05,779 INFO L432 NwaCegarLoop]: 466 mSDtfsCounter, 452 mSDsluCounter, 1761 mSDsCounter, 0 mSdLazyCounter, 466 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 470 SdHoareTripleChecker+Valid, 2227 SdHoareTripleChecker+Invalid, 500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 466 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 23:32:05,780 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [470 Valid, 2227 Invalid, 500 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 466 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 23:32:05,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 953 states. [2024-10-11 23:32:05,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 953 to 725. [2024-10-11 23:32:05,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 725 states, 688 states have (on average 1.4156976744186047) internal successors, (974), 709 states have internal predecessors, (974), 25 states have call successors, (25), 5 states have call predecessors, (25), 4 states have return successors, (25), 11 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-11 23:32:05,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 725 states to 725 states and 1024 transitions. [2024-10-11 23:32:05,801 INFO L78 Accepts]: Start accepts. Automaton has 725 states and 1024 transitions. Word has length 106 [2024-10-11 23:32:05,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:32:05,802 INFO L471 AbstractCegarLoop]: Abstraction has 725 states and 1024 transitions. [2024-10-11 23:32:05,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 23:32:05,803 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 1024 transitions. [2024-10-11 23:32:05,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-10-11 23:32:05,806 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:32:05,806 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:32:05,807 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 23:32:05,807 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 23:32:05,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:32:05,807 INFO L85 PathProgramCache]: Analyzing trace with hash -120467589, now seen corresponding path program 1 times [2024-10-11 23:32:05,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:32:05,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396412832] [2024-10-11 23:32:05,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:32:05,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:32:06,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:32:06,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 23:32:06,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:32:06,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 23:32:06,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:32:06,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 23:32:06,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:32:06,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 23:32:06,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:32:06,408 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-11 23:32:06,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:32:06,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396412832] [2024-10-11 23:32:06,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396412832] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:32:06,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2053080425] [2024-10-11 23:32:06,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:32:06,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:32:06,411 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:32:06,413 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 23:32:06,414 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-11 23:32:06,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:32:06,782 INFO L255 TraceCheckSpWp]: Trace formula consists of 643 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-10-11 23:32:06,790 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:32:06,796 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 [2024-10-11 23:32:06,823 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 [2024-10-11 23:32:06,845 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-10-11 23:32:07,656 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-11 23:32:07,657 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 23:32:07,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2053080425] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:32:07,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 23:32:07,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 15 [2024-10-11 23:32:07,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138114146] [2024-10-11 23:32:07,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:32:07,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 23:32:07,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:32:07,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 23:32:07,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2024-10-11 23:32:07,660 INFO L87 Difference]: Start difference. First operand 725 states and 1024 transitions. Second operand has 11 states, 11 states have (on average 9.272727272727273) internal successors, (102), 10 states have internal predecessors, (102), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-11 23:32:09,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:32:09,065 INFO L93 Difference]: Finished difference Result 1643 states and 2333 transitions. [2024-10-11 23:32:09,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 23:32:09,066 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.272727272727273) internal successors, (102), 10 states have internal predecessors, (102), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 112 [2024-10-11 23:32:09,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:32:09,070 INFO L225 Difference]: With dead ends: 1643 [2024-10-11 23:32:09,070 INFO L226 Difference]: Without dead ends: 963 [2024-10-11 23:32:09,071 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=103, Invalid=403, Unknown=0, NotChecked=0, Total=506 [2024-10-11 23:32:09,072 INFO L432 NwaCegarLoop]: 536 mSDtfsCounter, 596 mSDsluCounter, 2787 mSDsCounter, 0 mSdLazyCounter, 683 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 600 SdHoareTripleChecker+Valid, 3323 SdHoareTripleChecker+Invalid, 688 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 683 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-11 23:32:09,072 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [600 Valid, 3323 Invalid, 688 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 683 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-11 23:32:09,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2024-10-11 23:32:09,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 725. [2024-10-11 23:32:09,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 725 states, 688 states have (on average 1.4142441860465116) internal successors, (973), 709 states have internal predecessors, (973), 25 states have call successors, (25), 5 states have call predecessors, (25), 4 states have return successors, (25), 11 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-11 23:32:09,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 725 states to 725 states and 1023 transitions. [2024-10-11 23:32:09,094 INFO L78 Accepts]: Start accepts. Automaton has 725 states and 1023 transitions. Word has length 112 [2024-10-11 23:32:09,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:32:09,094 INFO L471 AbstractCegarLoop]: Abstraction has 725 states and 1023 transitions. [2024-10-11 23:32:09,095 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.272727272727273) internal successors, (102), 10 states have internal predecessors, (102), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-11 23:32:09,095 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 1023 transitions. [2024-10-11 23:32:09,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-10-11 23:32:09,096 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:32:09,096 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:32:09,115 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-11 23:32:09,300 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:32:09,301 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 23:32:09,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:32:09,301 INFO L85 PathProgramCache]: Analyzing trace with hash 1293856810, now seen corresponding path program 1 times [2024-10-11 23:32:09,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:32:09,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662856780] [2024-10-11 23:32:09,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:32:09,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:32:09,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:32:09,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 23:32:09,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:32:09,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 23:32:09,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:32:09,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-11 23:32:09,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:32:09,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 23:32:09,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:32:09,685 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-11 23:32:09,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:32:09,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662856780] [2024-10-11 23:32:09,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1662856780] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:32:09,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [672733839] [2024-10-11 23:32:09,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:32:09,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:32:09,687 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:32:09,688 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 23:32:09,690 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-11 23:32:10,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:32:10,025 INFO L255 TraceCheckSpWp]: Trace formula consists of 644 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-10-11 23:32:10,032 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:33:06,959 WARN L286 SmtUtils]: Spent 9.03s on a formula simplification that was a NOOP. DAG size: 22 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)