./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 a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b6c6a722152c52daf4f5e799c877f12032a99023b4a9ea1a935c1ce634969e85 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 16:15:59,251 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 16:15:59,344 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-13 16:15:59,350 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 16:15:59,351 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 16:15:59,380 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 16:15:59,380 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 16:15:59,381 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 16:15:59,381 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 16:15:59,382 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 16:15:59,382 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 16:15:59,382 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 16:15:59,383 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 16:15:59,384 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 16:15:59,385 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 16:15:59,386 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 16:15:59,386 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 16:15:59,386 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 16:15:59,387 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 16:15:59,387 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 16:15:59,387 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 16:15:59,391 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 16:15:59,391 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 16:15:59,391 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 16:15:59,392 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 16:15:59,392 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-13 16:15:59,392 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 16:15:59,392 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 16:15:59,393 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 16:15:59,393 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 16:15:59,393 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 16:15:59,393 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 16:15:59,393 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 16:15:59,394 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 16:15:59,394 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 16:15:59,394 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 16:15:59,394 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 16:15:59,394 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 16:15:59,395 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 16:15:59,395 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 16:15:59,395 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 16:15:59,396 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 16:15:59,396 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 16:15:59,396 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 16:15:59,396 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6c6a722152c52daf4f5e799c877f12032a99023b4a9ea1a935c1ce634969e85 [2024-10-13 16:15:59,634 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 16:15:59,659 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 16:15:59,661 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 16:15:59,663 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 16:15:59,663 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 16:15:59,664 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-1.i [2024-10-13 16:16:01,154 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 16:16:01,450 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 16:16:01,451 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-1.i [2024-10-13 16:16:01,469 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5413297c5/140e0eb6178d4ac8a850961940a087c3/FLAGc03e86ef1 [2024-10-13 16:16:01,487 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5413297c5/140e0eb6178d4ac8a850961940a087c3 [2024-10-13 16:16:01,489 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 16:16:01,490 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 16:16:01,491 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 16:16:01,491 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 16:16:01,497 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 16:16:01,498 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:16:01" (1/1) ... [2024-10-13 16:16:01,499 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7555f0eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:16:01, skipping insertion in model container [2024-10-13 16:16:01,499 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:16:01" (1/1) ... [2024-10-13 16:16:01,552 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 16:16:02,144 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 16:16:02,155 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 16:16:02,272 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 16:16:02,314 INFO L204 MainTranslator]: Completed translation [2024-10-13 16:16:02,314 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:16:02 WrapperNode [2024-10-13 16:16:02,315 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 16:16:02,316 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 16:16:02,316 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 16:16:02,316 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 16:16:02,327 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:16:02" (1/1) ... [2024-10-13 16:16:02,364 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:16:02" (1/1) ... [2024-10-13 16:16:02,450 INFO L138 Inliner]: procedures = 177, calls = 291, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1429 [2024-10-13 16:16:02,451 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 16:16:02,452 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 16:16:02,452 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 16:16:02,452 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 16:16:02,462 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:16:02" (1/1) ... [2024-10-13 16:16:02,463 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:16:02" (1/1) ... [2024-10-13 16:16:02,472 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:16:02" (1/1) ... [2024-10-13 16:16:02,542 INFO L175 MemorySlicer]: Split 256 memory accesses to 3 slices as follows [2, 220, 34]. 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, 50, 4]. [2024-10-13 16:16:02,546 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:16:02" (1/1) ... [2024-10-13 16:16:02,547 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:16:02" (1/1) ... [2024-10-13 16:16:02,582 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:16:02" (1/1) ... [2024-10-13 16:16:02,604 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:16:02" (1/1) ... [2024-10-13 16:16:02,616 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:16:02" (1/1) ... [2024-10-13 16:16:02,627 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:16:02" (1/1) ... [2024-10-13 16:16:02,636 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 16:16:02,637 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 16:16:02,637 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 16:16:02,637 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 16:16:02,638 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:16:02" (1/1) ... [2024-10-13 16:16:02,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 16:16:02,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:16:02,671 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 16:16:02,674 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 16:16:02,718 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-10-13 16:16:02,718 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-10-13 16:16:02,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-13 16:16:02,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-13 16:16:02,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-13 16:16:02,719 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-13 16:16:02,719 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-13 16:16:02,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-13 16:16:02,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-13 16:16:02,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-13 16:16:02,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-10-13 16:16:02,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-10-13 16:16:02,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-10-13 16:16:02,721 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-10-13 16:16:02,721 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-10-13 16:16:02,721 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-10-13 16:16:02,721 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2024-10-13 16:16:02,721 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2024-10-13 16:16:02,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-13 16:16:02,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 16:16:02,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-13 16:16:02,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-13 16:16:02,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-13 16:16:02,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-13 16:16:02,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-13 16:16:02,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-13 16:16:02,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-13 16:16:02,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-13 16:16:02,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 16:16:02,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-13 16:16:02,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-13 16:16:02,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 16:16:02,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 16:16:02,964 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 16:16:02,966 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 16:16:04,475 INFO L? ?]: Removed 339 outVars from TransFormulas that were not future-live. [2024-10-13 16:16:04,477 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 16:16:04,531 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 16:16:04,532 INFO L314 CfgBuilder]: Removed 62 assume(true) statements. [2024-10-13 16:16:04,533 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:16:04 BoogieIcfgContainer [2024-10-13 16:16:04,533 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 16:16:04,535 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 16:16:04,535 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 16:16:04,539 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 16:16:04,539 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 04:16:01" (1/3) ... [2024-10-13 16:16:04,540 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ef19fc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 04:16:04, skipping insertion in model container [2024-10-13 16:16:04,540 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:16:02" (2/3) ... [2024-10-13 16:16:04,540 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ef19fc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 04:16:04, skipping insertion in model container [2024-10-13 16:16:04,540 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:16:04" (3/3) ... [2024-10-13 16:16:04,541 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test8-1.i [2024-10-13 16:16:04,554 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 16:16:04,554 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-10-13 16:16:04,631 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 16:16:04,638 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;@16ca5fee, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 16:16:04,638 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-10-13 16:16:04,643 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) [2024-10-13 16:16:04,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-13 16:16:04,649 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:16:04,650 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-13 16:16:04,650 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)] === [2024-10-13 16:16:04,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:16:04,657 INFO L85 PathProgramCache]: Analyzing trace with hash 2126489589, now seen corresponding path program 1 times [2024-10-13 16:16:04,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:16:04,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761932272] [2024-10-13 16:16:04,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:16:04,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:16:04,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 16:16:04,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [226885347] [2024-10-13 16:16:04,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:16:04,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:16:04,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:16:04,821 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 16:16:04,823 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-13 16:16:05,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:16:05,012 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-13 16:16:05,019 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:16:05,054 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-10-13 16:16:05,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:16:05,096 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 16:16:05,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:16:05,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761932272] [2024-10-13 16:16:05,097 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 16:16:05,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [226885347] [2024-10-13 16:16:05,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [226885347] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:16:05,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:16:05,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 16:16:05,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221885315] [2024-10-13 16:16:05,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:16:05,107 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 16:16:05,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:16:05,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 16:16:05,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 16:16:05,136 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) [2024-10-13 16:16:05,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:16:05,419 INFO L93 Difference]: Finished difference Result 1286 states and 2098 transitions. [2024-10-13 16:16:05,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 16:16:05,421 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-10-13 16:16:05,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:16:05,448 INFO L225 Difference]: With dead ends: 1286 [2024-10-13 16:16:05,449 INFO L226 Difference]: Without dead ends: 833 [2024-10-13 16:16:05,458 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 16:16:05,461 INFO L432 NwaCegarLoop]: 622 mSDtfsCounter, 555 mSDsluCounter, 1238 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 560 SdHoareTripleChecker+Valid, 1860 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 16:16:05,462 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [560 Valid, 1860 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 16:16:05,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 833 states. [2024-10-13 16:16:05,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 833 to 446. [2024-10-13 16:16:05,554 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) [2024-10-13 16:16:05,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 650 transitions. [2024-10-13 16:16:05,560 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 650 transitions. Word has length 6 [2024-10-13 16:16:05,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:16:05,561 INFO L471 AbstractCegarLoop]: Abstraction has 446 states and 650 transitions. [2024-10-13 16:16:05,561 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:16:05,562 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 650 transitions. [2024-10-13 16:16:05,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-10-13 16:16:05,567 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:16:05,568 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] [2024-10-13 16:16:05,587 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-13 16:16:05,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-10-13 16:16:05,770 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 16:16:05,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:16:05,771 INFO L85 PathProgramCache]: Analyzing trace with hash -54468696, now seen corresponding path program 1 times [2024-10-13 16:16:05,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:16:05,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706727602] [2024-10-13 16:16:05,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:16:05,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:16:05,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:16:06,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:16:06,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:16:06,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706727602] [2024-10-13 16:16:06,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706727602] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:16:06,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:16:06,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 16:16:06,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591300561] [2024-10-13 16:16:06,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:16:06,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 16:16:06,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:16:06,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 16:16:06,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 16:16:06,436 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) [2024-10-13 16:16:06,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:16:06,596 INFO L93 Difference]: Finished difference Result 1063 states and 1555 transitions. [2024-10-13 16:16:06,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 16:16:06,597 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 [2024-10-13 16:16:06,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:16:06,605 INFO L225 Difference]: With dead ends: 1063 [2024-10-13 16:16:06,608 INFO L226 Difference]: Without dead ends: 832 [2024-10-13 16:16:06,610 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 16:16:06,611 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 [2024-10-13 16:16:06,612 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] [2024-10-13 16:16:06,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 832 states. [2024-10-13 16:16:06,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 832 to 446. [2024-10-13 16:16:06,650 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) [2024-10-13 16:16:06,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 649 transitions. [2024-10-13 16:16:06,654 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 649 transitions. Word has length 71 [2024-10-13 16:16:06,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:16:06,654 INFO L471 AbstractCegarLoop]: Abstraction has 446 states and 649 transitions. [2024-10-13 16:16:06,655 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) [2024-10-13 16:16:06,655 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 649 transitions. [2024-10-13 16:16:06,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-10-13 16:16:06,659 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:16:06,659 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] [2024-10-13 16:16:06,659 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 16:16:06,660 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)] === [2024-10-13 16:16:06,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:16:06,661 INFO L85 PathProgramCache]: Analyzing trace with hash 960013521, now seen corresponding path program 1 times [2024-10-13 16:16:06,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:16:06,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816232803] [2024-10-13 16:16:06,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:16:06,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:16:06,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:16:06,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:16:06,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:16:06,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816232803] [2024-10-13 16:16:06,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816232803] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:16:06,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:16:06,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 16:16:06,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910848826] [2024-10-13 16:16:06,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:16:06,897 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 16:16:06,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:16:06,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 16:16:06,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 16:16:06,899 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) [2024-10-13 16:16:06,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:16:06,995 INFO L93 Difference]: Finished difference Result 888 states and 1294 transitions. [2024-10-13 16:16:06,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 16:16:06,996 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 [2024-10-13 16:16:06,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:16:07,000 INFO L225 Difference]: With dead ends: 888 [2024-10-13 16:16:07,001 INFO L226 Difference]: Without dead ends: 449 [2024-10-13 16:16:07,003 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 16:16:07,003 INFO L432 NwaCegarLoop]: 611 mSDtfsCounter, 105 mSDsluCounter, 1131 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 1742 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 16:16:07,005 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 1742 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 16:16:07,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2024-10-13 16:16:07,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 446. [2024-10-13 16:16:07,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 446 states, 415 states have (on average 1.4506024096385541) internal successors, (602), 437 states have internal predecessors, (602), 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) [2024-10-13 16:16:07,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 642 transitions. [2024-10-13 16:16:07,024 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 642 transitions. Word has length 82 [2024-10-13 16:16:07,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:16:07,024 INFO L471 AbstractCegarLoop]: Abstraction has 446 states and 642 transitions. [2024-10-13 16:16:07,024 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) [2024-10-13 16:16:07,025 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 642 transitions. [2024-10-13 16:16:07,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-10-13 16:16:07,030 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:16:07,030 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:16:07,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 16:16:07,031 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)] === [2024-10-13 16:16:07,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:16:07,031 INFO L85 PathProgramCache]: Analyzing trace with hash 787876549, now seen corresponding path program 1 times [2024-10-13 16:16:07,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:16:07,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017797038] [2024-10-13 16:16:07,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:16:07,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:16:07,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:16:07,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:16:07,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:16:07,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017797038] [2024-10-13 16:16:07,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017797038] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:16:07,218 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:16:07,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 16:16:07,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587196754] [2024-10-13 16:16:07,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:16:07,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 16:16:07,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:16:07,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 16:16:07,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 16:16:07,222 INFO L87 Difference]: Start difference. First operand 446 states and 642 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) [2024-10-13 16:16:07,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:16:07,332 INFO L93 Difference]: Finished difference Result 1179 states and 1709 transitions. [2024-10-13 16:16:07,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 16:16:07,333 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 [2024-10-13 16:16:07,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:16:07,338 INFO L225 Difference]: With dead ends: 1179 [2024-10-13 16:16:07,338 INFO L226 Difference]: Without dead ends: 740 [2024-10-13 16:16:07,339 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 16:16:07,340 INFO L432 NwaCegarLoop]: 824 mSDtfsCounter, 373 mSDsluCounter, 610 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 374 SdHoareTripleChecker+Valid, 1434 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 [2024-10-13 16:16:07,342 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [374 Valid, 1434 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 16:16:07,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 740 states. [2024-10-13 16:16:07,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 740 to 737. [2024-10-13 16:16:07,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 737 states, 705 states have (on average 1.4595744680851064) internal successors, (1029), 727 states have internal predecessors, (1029), 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) [2024-10-13 16:16:07,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 737 states and 1071 transitions. [2024-10-13 16:16:07,373 INFO L78 Accepts]: Start accepts. Automaton has 737 states and 1071 transitions. Word has length 82 [2024-10-13 16:16:07,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:16:07,374 INFO L471 AbstractCegarLoop]: Abstraction has 737 states and 1071 transitions. [2024-10-13 16:16:07,374 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) [2024-10-13 16:16:07,375 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 1071 transitions. [2024-10-13 16:16:07,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-10-13 16:16:07,377 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:16:07,377 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] [2024-10-13 16:16:07,378 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 16:16:07,378 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)] === [2024-10-13 16:16:07,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:16:07,378 INFO L85 PathProgramCache]: Analyzing trace with hash -297376450, now seen corresponding path program 1 times [2024-10-13 16:16:07,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:16:07,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396735883] [2024-10-13 16:16:07,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:16:07,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:16:07,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:16:07,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-13 16:16:07,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:16:07,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 16:16:07,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:16:07,711 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-13 16:16:07,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:16:07,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396735883] [2024-10-13 16:16:07,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396735883] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:16:07,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:16:07,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 16:16:07,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786575120] [2024-10-13 16:16:07,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:16:07,713 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 16:16:07,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:16:07,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 16:16:07,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 16:16:07,716 INFO L87 Difference]: Start difference. First operand 737 states and 1071 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) [2024-10-13 16:16:08,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:16:08,209 INFO L93 Difference]: Finished difference Result 841 states and 1230 transitions. [2024-10-13 16:16:08,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 16:16:08,210 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 [2024-10-13 16:16:08,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:16:08,214 INFO L225 Difference]: With dead ends: 841 [2024-10-13 16:16:08,214 INFO L226 Difference]: Without dead ends: 839 [2024-10-13 16:16:08,215 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 [2024-10-13 16:16:08,216 INFO L432 NwaCegarLoop]: 563 mSDtfsCounter, 315 mSDsluCounter, 1606 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 331 SdHoareTripleChecker+Valid, 2169 SdHoareTripleChecker+Invalid, 357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 16:16:08,216 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [331 Valid, 2169 Invalid, 357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 16:16:08,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 839 states. [2024-10-13 16:16:08,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 839 to 806. [2024-10-13 16:16:08,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 806 states, 769 states have (on average 1.4447334200260078) internal successors, (1111), 791 states have internal predecessors, (1111), 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) [2024-10-13 16:16:08,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 806 states and 1161 transitions. [2024-10-13 16:16:08,241 INFO L78 Accepts]: Start accepts. Automaton has 806 states and 1161 transitions. Word has length 95 [2024-10-13 16:16:08,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:16:08,241 INFO L471 AbstractCegarLoop]: Abstraction has 806 states and 1161 transitions. [2024-10-13 16:16:08,241 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) [2024-10-13 16:16:08,242 INFO L276 IsEmpty]: Start isEmpty. Operand 806 states and 1161 transitions. [2024-10-13 16:16:08,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-10-13 16:16:08,243 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:16:08,243 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] [2024-10-13 16:16:08,243 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 16:16:08,243 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 16:16:08,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:16:08,244 INFO L85 PathProgramCache]: Analyzing trace with hash 684515260, now seen corresponding path program 1 times [2024-10-13 16:16:08,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:16:08,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87049727] [2024-10-13 16:16:08,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:16:08,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:16:08,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:16:08,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-13 16:16:08,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:16:08,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 16:16:08,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:16:08,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 16:16:08,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:16:08,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 16:16:08,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:16:08,672 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-13 16:16:08,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:16:08,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87049727] [2024-10-13 16:16:08,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87049727] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:16:08,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:16:08,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 16:16:08,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427530848] [2024-10-13 16:16:08,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:16:08,674 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 16:16:08,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:16:08,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 16:16:08,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-13 16:16:08,676 INFO L87 Difference]: Start difference. First operand 806 states and 1161 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) [2024-10-13 16:16:09,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:16:09,251 INFO L93 Difference]: Finished difference Result 1039 states and 1499 transitions. [2024-10-13 16:16:09,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 16:16:09,252 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 [2024-10-13 16:16:09,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:16:09,259 INFO L225 Difference]: With dead ends: 1039 [2024-10-13 16:16:09,259 INFO L226 Difference]: Without dead ends: 1037 [2024-10-13 16:16:09,260 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 [2024-10-13 16:16:09,260 INFO L432 NwaCegarLoop]: 542 mSDtfsCounter, 528 mSDsluCounter, 2064 mSDsCounter, 0 mSdLazyCounter, 467 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 546 SdHoareTripleChecker+Valid, 2606 SdHoareTripleChecker+Invalid, 501 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-13 16:16:09,261 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [546 Valid, 2606 Invalid, 501 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 467 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-13 16:16:09,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1037 states. [2024-10-13 16:16:09,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1037 to 809. [2024-10-13 16:16:09,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 809 states, 772 states have (on average 1.4430051813471503) internal successors, (1114), 793 states have internal predecessors, (1114), 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) [2024-10-13 16:16:09,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 809 states and 1164 transitions. [2024-10-13 16:16:09,287 INFO L78 Accepts]: Start accepts. Automaton has 809 states and 1164 transitions. Word has length 106 [2024-10-13 16:16:09,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:16:09,288 INFO L471 AbstractCegarLoop]: Abstraction has 809 states and 1164 transitions. [2024-10-13 16:16:09,288 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) [2024-10-13 16:16:09,289 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 1164 transitions. [2024-10-13 16:16:09,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-10-13 16:16:09,290 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:16:09,291 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] [2024-10-13 16:16:09,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 16:16:09,291 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 16:16:09,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:16:09,291 INFO L85 PathProgramCache]: Analyzing trace with hash -438647273, now seen corresponding path program 1 times [2024-10-13 16:16:09,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:16:09,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602327232] [2024-10-13 16:16:09,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:16:09,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:16:09,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:16:09,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-13 16:16:09,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:16:09,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 16:16:09,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:16:09,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 16:16:09,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:16:09,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 16:16:09,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:16:09,946 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-13 16:16:09,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:16:09,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602327232] [2024-10-13 16:16:09,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602327232] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 16:16:09,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1480352353] [2024-10-13 16:16:09,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:16:09,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:16:09,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:16:09,950 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 16:16:09,952 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-13 16:16:10,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:16:10,357 INFO L255 TraceCheckSpWp]: Trace formula consists of 643 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-10-13 16:16:10,364 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:16:10,368 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-10-13 16:16:10,392 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-10-13 16:16:10,409 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 [2024-10-13 16:16:11,207 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-13 16:16:11,207 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 16:16:11,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1480352353] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:16:11,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 16:16:11,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 15 [2024-10-13 16:16:11,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107849958] [2024-10-13 16:16:11,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:16:11,208 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 16:16:11,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:16:11,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 16:16:11,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2024-10-13 16:16:11,210 INFO L87 Difference]: Start difference. First operand 809 states and 1164 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) [2024-10-13 16:16:12,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:16:12,824 INFO L93 Difference]: Finished difference Result 1804 states and 2592 transitions. [2024-10-13 16:16:12,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-13 16:16:12,824 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 [2024-10-13 16:16:12,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:16:12,829 INFO L225 Difference]: With dead ends: 1804 [2024-10-13 16:16:12,829 INFO L226 Difference]: Without dead ends: 1082 [2024-10-13 16:16:12,830 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 [2024-10-13 16:16:12,831 INFO L432 NwaCegarLoop]: 611 mSDtfsCounter, 820 mSDsluCounter, 2968 mSDsCounter, 0 mSdLazyCounter, 987 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 824 SdHoareTripleChecker+Valid, 3579 SdHoareTripleChecker+Invalid, 992 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 987 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-13 16:16:12,831 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [824 Valid, 3579 Invalid, 992 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 987 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-13 16:16:12,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1082 states. [2024-10-13 16:16:12,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1082 to 835. [2024-10-13 16:16:12,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 835 states, 798 states have (on average 1.4348370927318295) internal successors, (1145), 819 states have internal predecessors, (1145), 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) [2024-10-13 16:16:12,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 835 states and 1195 transitions. [2024-10-13 16:16:12,858 INFO L78 Accepts]: Start accepts. Automaton has 835 states and 1195 transitions. Word has length 112 [2024-10-13 16:16:12,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:16:12,858 INFO L471 AbstractCegarLoop]: Abstraction has 835 states and 1195 transitions. [2024-10-13 16:16:12,858 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) [2024-10-13 16:16:12,859 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 1195 transitions. [2024-10-13 16:16:12,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-10-13 16:16:12,860 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:16:12,860 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] [2024-10-13 16:16:12,881 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-13 16:16:13,064 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-10-13 16:16:13,065 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)] === [2024-10-13 16:16:13,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:16:13,066 INFO L85 PathProgramCache]: Analyzing trace with hash 975677126, now seen corresponding path program 1 times [2024-10-13 16:16:13,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:16:13,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595820177] [2024-10-13 16:16:13,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:16:13,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:16:13,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:16:13,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 16:16:13,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:16:13,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 16:16:13,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:16:13,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-13 16:16:13,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:16:13,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 16:16:13,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:16:13,511 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-13 16:16:13,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:16:13,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595820177] [2024-10-13 16:16:13,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595820177] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 16:16:13,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2042890507] [2024-10-13 16:16:13,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:16:13,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:16:13,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:16:13,513 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 16:16:13,515 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-13 16:16:14,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:16:14,287 INFO L255 TraceCheckSpWp]: Trace formula consists of 644 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-10-13 16:16:14,298 INFO L278 TraceCheckSpWp]: Computing forward predicates...