./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_test3-1.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_test3-1.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 2f1aaf5276e100f83cf10565e66c3b5d8c0baa3bbd1a1424b76fbee71241f226 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 16:15:06,393 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 16:15:06,478 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-13 16:15:06,484 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 16:15:06,484 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 16:15:06,517 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 16:15:06,519 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 16:15:06,520 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 16:15:06,521 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 16:15:06,522 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 16:15:06,522 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 16:15:06,522 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 16:15:06,523 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 16:15:06,525 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 16:15:06,526 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 16:15:06,526 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 16:15:06,526 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 16:15:06,527 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 16:15:06,527 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 16:15:06,527 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 16:15:06,527 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 16:15:06,531 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 16:15:06,532 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 16:15:06,532 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 16:15:06,532 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 16:15:06,532 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-13 16:15:06,533 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 16:15:06,533 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 16:15:06,533 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 16:15:06,533 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 16:15:06,534 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 16:15:06,534 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 16:15:06,534 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 16:15:06,534 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 16:15:06,535 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 16:15:06,535 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 16:15:06,537 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 16:15:06,537 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 16:15:06,537 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 16:15:06,538 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 16:15:06,538 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 16:15:06,538 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 16:15:06,539 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 16:15:06,539 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 16:15:06,540 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f1aaf5276e100f83cf10565e66c3b5d8c0baa3bbd1a1424b76fbee71241f226 [2024-10-13 16:15:06,795 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 16:15:06,821 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 16:15:06,825 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 16:15:06,826 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 16:15:06,826 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 16:15:06,827 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i [2024-10-13 16:15:08,265 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 16:15:08,571 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 16:15:08,571 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i [2024-10-13 16:15:08,592 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53ae2d67d/93b60cb1c7a3461bbe9834c899564e99/FLAGaee596ef6 [2024-10-13 16:15:08,604 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53ae2d67d/93b60cb1c7a3461bbe9834c899564e99 [2024-10-13 16:15:08,606 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 16:15:08,607 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 16:15:08,608 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 16:15:08,608 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 16:15:08,614 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 16:15:08,615 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:15:08" (1/1) ... [2024-10-13 16:15:08,616 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f4d95b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:15:08, skipping insertion in model container [2024-10-13 16:15:08,617 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:15:08" (1/1) ... [2024-10-13 16:15:08,675 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 16:15:09,233 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 16:15:09,245 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 16:15:09,357 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 16:15:09,397 INFO L204 MainTranslator]: Completed translation [2024-10-13 16:15:09,397 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:15:09 WrapperNode [2024-10-13 16:15:09,397 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 16:15:09,399 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 16:15:09,399 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 16:15:09,399 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 16:15:09,405 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:15:09" (1/1) ... [2024-10-13 16:15:09,451 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:15:09" (1/1) ... [2024-10-13 16:15:09,532 INFO L138 Inliner]: procedures = 177, calls = 279, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1463 [2024-10-13 16:15:09,533 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 16:15:09,533 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 16:15:09,533 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 16:15:09,534 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 16:15:09,546 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:15:09" (1/1) ... [2024-10-13 16:15:09,547 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:15:09" (1/1) ... [2024-10-13 16:15:09,556 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:15:09" (1/1) ... [2024-10-13 16:15:09,652 INFO L175 MemorySlicer]: Split 255 memory accesses to 3 slices as follows [2, 219, 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 16:15:09,653 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:15:09" (1/1) ... [2024-10-13 16:15:09,653 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:15:09" (1/1) ... [2024-10-13 16:15:09,751 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:15:09" (1/1) ... [2024-10-13 16:15:09,786 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:15:09" (1/1) ... [2024-10-13 16:15:09,792 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:15:09" (1/1) ... [2024-10-13 16:15:09,800 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:15:09" (1/1) ... [2024-10-13 16:15:09,811 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 16:15:09,812 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 16:15:09,812 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 16:15:09,814 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 16:15:09,815 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:15:09" (1/1) ... [2024-10-13 16:15:09,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 16:15:09,833 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:15:09,852 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 16:15:09,858 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 16:15:09,897 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-10-13 16:15:09,898 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-10-13 16:15:09,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-13 16:15:09,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-13 16:15:09,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-13 16:15:09,898 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-13 16:15:09,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-13 16:15:09,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-13 16:15:09,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-13 16:15:09,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-13 16:15:09,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-10-13 16:15:09,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-10-13 16:15:09,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-10-13 16:15:09,901 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-10-13 16:15:09,901 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-10-13 16:15:09,902 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-10-13 16:15:09,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-13 16:15:09,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 16:15:09,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-13 16:15:09,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-13 16:15:09,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-13 16:15:09,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-13 16:15:09,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-13 16:15:09,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-13 16:15:09,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-13 16:15:09,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-13 16:15:09,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 16:15:09,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-13 16:15:09,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-13 16:15:09,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 16:15:09,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 16:15:10,131 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 16:15:10,132 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 16:15:11,650 INFO L? ?]: Removed 333 outVars from TransFormulas that were not future-live. [2024-10-13 16:15:11,650 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 16:15:11,704 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 16:15:11,704 INFO L314 CfgBuilder]: Removed 63 assume(true) statements. [2024-10-13 16:15:11,707 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:15:11 BoogieIcfgContainer [2024-10-13 16:15:11,707 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 16:15:11,709 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 16:15:11,709 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 16:15:11,712 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 16:15:11,712 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 04:15:08" (1/3) ... [2024-10-13 16:15:11,713 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@391d3955 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 04:15:11, skipping insertion in model container [2024-10-13 16:15:11,713 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:15:09" (2/3) ... [2024-10-13 16:15:11,715 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@391d3955 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 04:15:11, skipping insertion in model container [2024-10-13 16:15:11,715 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:15:11" (3/3) ... [2024-10-13 16:15:11,716 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test3-1.i [2024-10-13 16:15:11,749 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 16:15:11,749 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-10-13 16:15:11,834 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 16:15:11,842 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;@7069cc60, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 16:15:11,842 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-10-13 16:15:11,847 INFO L276 IsEmpty]: Start isEmpty. Operand has 423 states, 401 states have (on average 1.6384039900249376) internal successors, (657), 416 states have internal predecessors, (657), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 6 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-13 16:15:11,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-13 16:15:11,853 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:15:11,853 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-13 16:15:11,854 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 16:15:11,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:15:11,858 INFO L85 PathProgramCache]: Analyzing trace with hash -171478850, now seen corresponding path program 1 times [2024-10-13 16:15:11,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:15:11,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564396073] [2024-10-13 16:15:11,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:15:11,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:15:11,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:15:12,054 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 16:15:12,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:15:12,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564396073] [2024-10-13 16:15:12,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564396073] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:15:12,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:15:12,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 16:15:12,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879868827] [2024-10-13 16:15:12,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:15:12,063 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-13 16:15:12,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:15:12,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-13 16:15:12,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 16:15:12,095 INFO L87 Difference]: Start difference. First operand has 423 states, 401 states have (on average 1.6384039900249376) internal successors, (657), 416 states have internal predecessors, (657), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 6 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:15:12,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:15:12,189 INFO L93 Difference]: Finished difference Result 843 states and 1357 transitions. [2024-10-13 16:15:12,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-13 16:15:12,191 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-10-13 16:15:12,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:15:12,206 INFO L225 Difference]: With dead ends: 843 [2024-10-13 16:15:12,207 INFO L226 Difference]: Without dead ends: 416 [2024-10-13 16:15:12,213 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 16:15:12,220 INFO L432 NwaCegarLoop]: 601 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 601 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 16:15:12,222 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 601 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 16:15:12,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2024-10-13 16:15:12,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 416. [2024-10-13 16:15:12,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 416 states, 398 states have (on average 1.464824120603015) internal successors, (583), 410 states have internal predecessors, (583), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-13 16:15:12,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 599 transitions. [2024-10-13 16:15:12,310 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 599 transitions. Word has length 6 [2024-10-13 16:15:12,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:15:12,311 INFO L471 AbstractCegarLoop]: Abstraction has 416 states and 599 transitions. [2024-10-13 16:15:12,311 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:15:12,312 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 599 transitions. [2024-10-13 16:15:12,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-13 16:15:12,312 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:15:12,312 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-13 16:15:12,313 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 16:15:12,313 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 16:15:12,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:15:12,314 INFO L85 PathProgramCache]: Analyzing trace with hash -171476928, now seen corresponding path program 1 times [2024-10-13 16:15:12,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:15:12,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596591595] [2024-10-13 16:15:12,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:15:12,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:15:12,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 16:15:12,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1150313082] [2024-10-13 16:15:12,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:15:12,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:15:12,379 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:15:12,384 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 16:15:12,389 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 16:15:12,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:15:12,565 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 16:15:12,570 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:15:12,623 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 16:15:12,675 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 16:15:12,676 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 16:15:12,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:15:12,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596591595] [2024-10-13 16:15:12,678 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 16:15:12,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1150313082] [2024-10-13 16:15:12,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1150313082] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:15:12,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:15:12,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 16:15:12,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201001498] [2024-10-13 16:15:12,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:15:12,683 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 16:15:12,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:15:12,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 16:15:12,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 16:15:12,684 INFO L87 Difference]: Start difference. First operand 416 states and 599 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:15:12,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:15:12,885 INFO L93 Difference]: Finished difference Result 824 states and 1191 transitions. [2024-10-13 16:15:12,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 16:15:12,885 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 16:15:12,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:15:12,891 INFO L225 Difference]: With dead ends: 824 [2024-10-13 16:15:12,893 INFO L226 Difference]: Without dead ends: 823 [2024-10-13 16:15:12,894 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 16:15:12,895 INFO L432 NwaCegarLoop]: 574 mSDtfsCounter, 570 mSDsluCounter, 1140 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 578 SdHoareTripleChecker+Valid, 1714 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 16:15:12,896 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [578 Valid, 1714 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 16:15:12,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 823 states. [2024-10-13 16:15:12,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 823 to 421. [2024-10-13 16:15:12,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 403 states have (on average 1.4615384615384615) internal successors, (589), 415 states have internal predecessors, (589), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-13 16:15:12,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 605 transitions. [2024-10-13 16:15:12,940 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 605 transitions. Word has length 6 [2024-10-13 16:15:12,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:15:12,941 INFO L471 AbstractCegarLoop]: Abstraction has 421 states and 605 transitions. [2024-10-13 16:15:12,941 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 16:15:12,941 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 605 transitions. [2024-10-13 16:15:12,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-13 16:15:12,942 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:15:12,942 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:15:12,956 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-13 16:15:13,143 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:15:13,143 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 16:15:13,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:15:13,144 INFO L85 PathProgramCache]: Analyzing trace with hash -1020817389, now seen corresponding path program 1 times [2024-10-13 16:15:13,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:15:13,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403310678] [2024-10-13 16:15:13,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:15:13,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:15:13,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 16:15:13,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1971338442] [2024-10-13 16:15:13,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:15:13,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:15:13,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:15:13,183 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 16:15:13,186 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 16:15:13,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:15:13,337 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 16:15:13,340 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:15:13,346 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 16:15:13,373 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 16:15:13,373 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 16:15:13,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:15:13,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403310678] [2024-10-13 16:15:13,375 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 16:15:13,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1971338442] [2024-10-13 16:15:13,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1971338442] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:15:13,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:15:13,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 16:15:13,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100543908] [2024-10-13 16:15:13,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:15:13,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 16:15:13,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:15:13,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 16:15:13,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 16:15:13,379 INFO L87 Difference]: Start difference. First operand 421 states and 605 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) [2024-10-13 16:15:13,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:15:13,571 INFO L93 Difference]: Finished difference Result 823 states and 1190 transitions. [2024-10-13 16:15:13,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 16:15:13,572 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 [2024-10-13 16:15:13,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:15:13,577 INFO L225 Difference]: With dead ends: 823 [2024-10-13 16:15:13,578 INFO L226 Difference]: Without dead ends: 822 [2024-10-13 16:15:13,578 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 [2024-10-13 16:15:13,580 INFO L432 NwaCegarLoop]: 574 mSDtfsCounter, 568 mSDsluCounter, 1139 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 576 SdHoareTripleChecker+Valid, 1713 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 16:15:13,580 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [576 Valid, 1713 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 16:15:13,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 822 states. [2024-10-13 16:15:13,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 822 to 422. [2024-10-13 16:15:13,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 404 states have (on average 1.4603960396039604) internal successors, (590), 416 states have internal predecessors, (590), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-13 16:15:13,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 606 transitions. [2024-10-13 16:15:13,601 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 606 transitions. Word has length 7 [2024-10-13 16:15:13,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:15:13,602 INFO L471 AbstractCegarLoop]: Abstraction has 422 states and 606 transitions. [2024-10-13 16:15:13,602 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) [2024-10-13 16:15:13,602 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 606 transitions. [2024-10-13 16:15:13,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-10-13 16:15:13,603 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:15:13,603 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:15:13,621 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 16:15:13,803 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,SelfDestructingSolverStorable2 [2024-10-13 16:15:13,804 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 16:15:13,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:15:13,805 INFO L85 PathProgramCache]: Analyzing trace with hash 1127411853, now seen corresponding path program 1 times [2024-10-13 16:15:13,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:15:13,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217630352] [2024-10-13 16:15:13,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:15:13,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:15:13,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:15:13,970 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 16:15:13,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:15:13,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217630352] [2024-10-13 16:15:13,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217630352] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:15:13,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:15:13,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 16:15:13,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901444049] [2024-10-13 16:15:13,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:15:13,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 16:15:13,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:15:13,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 16:15:13,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 16:15:13,973 INFO L87 Difference]: Start difference. First operand 422 states and 606 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 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 16:15:14,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:15:14,096 INFO L93 Difference]: Finished difference Result 1030 states and 1492 transitions. [2024-10-13 16:15:14,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 16:15:14,096 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 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 9 [2024-10-13 16:15:14,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:15:14,100 INFO L225 Difference]: With dead ends: 1030 [2024-10-13 16:15:14,100 INFO L226 Difference]: Without dead ends: 821 [2024-10-13 16:15:14,101 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 16:15:14,102 INFO L432 NwaCegarLoop]: 621 mSDtfsCounter, 570 mSDsluCounter, 1187 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 578 SdHoareTripleChecker+Valid, 1808 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 16:15:14,102 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [578 Valid, 1808 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 16:15:14,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 821 states. [2024-10-13 16:15:14,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 821 to 422. [2024-10-13 16:15:14,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 404 states have (on average 1.4579207920792079) internal successors, (589), 416 states have internal predecessors, (589), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-13 16:15:14,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 605 transitions. [2024-10-13 16:15:14,115 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 605 transitions. Word has length 9 [2024-10-13 16:15:14,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:15:14,115 INFO L471 AbstractCegarLoop]: Abstraction has 422 states and 605 transitions. [2024-10-13 16:15:14,115 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 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 16:15:14,116 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 605 transitions. [2024-10-13 16:15:14,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-10-13 16:15:14,118 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:15:14,118 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:15:14,118 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 16:15:14,119 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 16:15:14,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:15:14,119 INFO L85 PathProgramCache]: Analyzing trace with hash -1952387620, now seen corresponding path program 1 times [2024-10-13 16:15:14,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:15:14,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861419910] [2024-10-13 16:15:14,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:15:14,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:15:14,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:15:14,530 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 16:15:14,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:15:14,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861419910] [2024-10-13 16:15:14,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861419910] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:15:14,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:15:14,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 16:15:14,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517957418] [2024-10-13 16:15:14,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:15:14,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 16:15:14,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:15:14,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 16:15:14,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 16:15:14,536 INFO L87 Difference]: Start difference. First operand 422 states and 605 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:15:14,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:15:14,624 INFO L93 Difference]: Finished difference Result 795 states and 1137 transitions. [2024-10-13 16:15:14,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 16:15:14,626 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2024-10-13 16:15:14,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:15:14,630 INFO L225 Difference]: With dead ends: 795 [2024-10-13 16:15:14,631 INFO L226 Difference]: Without dead ends: 380 [2024-10-13 16:15:14,631 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 16:15:14,632 INFO L432 NwaCegarLoop]: 493 mSDtfsCounter, 27 mSDsluCounter, 970 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 1463 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 16:15:14,633 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 1463 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 16:15:14,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2024-10-13 16:15:14,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 380. [2024-10-13 16:15:14,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 380 states, 362 states have (on average 1.4143646408839778) internal successors, (512), 374 states have internal predecessors, (512), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-13 16:15:14,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 528 transitions. [2024-10-13 16:15:14,642 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 528 transitions. Word has length 80 [2024-10-13 16:15:14,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:15:14,643 INFO L471 AbstractCegarLoop]: Abstraction has 380 states and 528 transitions. [2024-10-13 16:15:14,643 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:15:14,643 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 528 transitions. [2024-10-13 16:15:14,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-10-13 16:15:14,647 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:15:14,648 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:15:14,648 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 16:15:14,648 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 16:15:14,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:15:14,649 INFO L85 PathProgramCache]: Analyzing trace with hash 555914126, now seen corresponding path program 1 times [2024-10-13 16:15:14,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:15:14,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416738017] [2024-10-13 16:15:14,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:15:14,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:15:14,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:15:14,856 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 16:15:14,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:15:14,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416738017] [2024-10-13 16:15:14,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416738017] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:15:14,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:15:14,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 16:15:14,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061807295] [2024-10-13 16:15:14,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:15:14,859 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 16:15:14,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:15:14,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 16:15:14,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 16:15:14,860 INFO L87 Difference]: Start difference. First operand 380 states and 528 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:15:14,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:15:14,912 INFO L93 Difference]: Finished difference Result 753 states and 1049 transitions. [2024-10-13 16:15:14,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 16:15:14,913 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2024-10-13 16:15:14,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:15:14,915 INFO L225 Difference]: With dead ends: 753 [2024-10-13 16:15:14,916 INFO L226 Difference]: Without dead ends: 380 [2024-10-13 16:15:14,917 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 16:15:14,917 INFO L432 NwaCegarLoop]: 507 mSDtfsCounter, 1 mSDsluCounter, 486 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 993 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 16:15:14,918 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 993 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 16:15:14,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2024-10-13 16:15:14,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 380. [2024-10-13 16:15:14,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 380 states, 362 states have (on average 1.4060773480662982) internal successors, (509), 374 states have internal predecessors, (509), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-13 16:15:14,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 525 transitions. [2024-10-13 16:15:14,931 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 525 transitions. Word has length 80 [2024-10-13 16:15:14,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:15:14,931 INFO L471 AbstractCegarLoop]: Abstraction has 380 states and 525 transitions. [2024-10-13 16:15:14,932 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:15:14,932 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 525 transitions. [2024-10-13 16:15:14,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-10-13 16:15:14,936 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:15:14,936 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:15:14,937 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 16:15:14,937 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 16:15:14,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:15:14,937 INFO L85 PathProgramCache]: Analyzing trace with hash -902167662, now seen corresponding path program 1 times [2024-10-13 16:15:14,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:15:14,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807077660] [2024-10-13 16:15:14,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:15:14,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:15:14,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:15:15,065 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 16:15:15,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:15:15,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807077660] [2024-10-13 16:15:15,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807077660] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:15:15,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:15:15,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 16:15:15,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158786727] [2024-10-13 16:15:15,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:15:15,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 16:15:15,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:15:15,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 16:15:15,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 16:15:15,068 INFO L87 Difference]: Start difference. First operand 380 states and 525 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 2 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:15:15,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:15:15,180 INFO L93 Difference]: Finished difference Result 1004 states and 1401 transitions. [2024-10-13 16:15:15,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 16:15:15,181 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 2 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2024-10-13 16:15:15,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:15:15,184 INFO L225 Difference]: With dead ends: 1004 [2024-10-13 16:15:15,184 INFO L226 Difference]: Without dead ends: 631 [2024-10-13 16:15:15,185 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 16:15:15,186 INFO L432 NwaCegarLoop]: 699 mSDtfsCounter, 297 mSDsluCounter, 490 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 297 SdHoareTripleChecker+Valid, 1189 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 16:15:15,186 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [297 Valid, 1189 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 16:15:15,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 631 states. [2024-10-13 16:15:15,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 631 to 627. [2024-10-13 16:15:15,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 627 states, 609 states have (on average 1.4170771756978653) internal successors, (863), 621 states have internal predecessors, (863), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-13 16:15:15,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 627 states and 879 transitions. [2024-10-13 16:15:15,200 INFO L78 Accepts]: Start accepts. Automaton has 627 states and 879 transitions. Word has length 80 [2024-10-13 16:15:15,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:15:15,201 INFO L471 AbstractCegarLoop]: Abstraction has 627 states and 879 transitions. [2024-10-13 16:15:15,201 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 2 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:15:15,201 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 879 transitions. [2024-10-13 16:15:15,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-10-13 16:15:15,202 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:15:15,202 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:15:15,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-13 16:15:15,203 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 16:15:15,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:15:15,203 INFO L85 PathProgramCache]: Analyzing trace with hash -1076865333, now seen corresponding path program 1 times [2024-10-13 16:15:15,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:15:15,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701056134] [2024-10-13 16:15:15,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:15:15,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:15:15,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:15:15,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-13 16:15:15,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:15:15,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 16:15:15,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:15:15,653 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 16:15:15,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:15:15,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701056134] [2024-10-13 16:15:15,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701056134] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:15:15,654 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:15:15,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 16:15:15,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25619979] [2024-10-13 16:15:15,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:15:15,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 16:15:15,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:15:15,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 16:15:15,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 16:15:15,659 INFO L87 Difference]: Start difference. First operand 627 states and 879 transitions. Second operand has 5 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-13 16:15:16,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:15:16,044 INFO L93 Difference]: Finished difference Result 932 states and 1318 transitions. [2024-10-13 16:15:16,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 16:15:16,044 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 93 [2024-10-13 16:15:16,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:15:16,051 INFO L225 Difference]: With dead ends: 932 [2024-10-13 16:15:16,051 INFO L226 Difference]: Without dead ends: 930 [2024-10-13 16:15:16,052 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-13 16:15:16,053 INFO L432 NwaCegarLoop]: 491 mSDtfsCounter, 406 mSDsluCounter, 1362 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 413 SdHoareTripleChecker+Valid, 1853 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 16:15:16,053 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [413 Valid, 1853 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 16:15:16,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 930 states. [2024-10-13 16:15:16,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 930 to 691. [2024-10-13 16:15:16,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 691 states, 670 states have (on average 1.4044776119402984) internal successors, (941), 682 states have internal predecessors, (941), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-10-13 16:15:16,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 691 states and 963 transitions. [2024-10-13 16:15:16,082 INFO L78 Accepts]: Start accepts. Automaton has 691 states and 963 transitions. Word has length 93 [2024-10-13 16:15:16,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:15:16,083 INFO L471 AbstractCegarLoop]: Abstraction has 691 states and 963 transitions. [2024-10-13 16:15:16,084 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-13 16:15:16,084 INFO L276 IsEmpty]: Start isEmpty. Operand 691 states and 963 transitions. [2024-10-13 16:15:16,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-10-13 16:15:16,084 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:15:16,085 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:15:16,085 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-13 16:15:16,085 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 16:15:16,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:15:16,088 INFO L85 PathProgramCache]: Analyzing trace with hash 1510284970, now seen corresponding path program 1 times [2024-10-13 16:15:16,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:15:16,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137250958] [2024-10-13 16:15:16,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:15:16,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:15:16,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:15:16,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-13 16:15:16,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:15:16,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 16:15:16,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:15:16,604 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 16:15:16,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:15:16,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137250958] [2024-10-13 16:15:16,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137250958] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 16:15:16,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1396166783] [2024-10-13 16:15:16,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:15:16,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:15:16,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:15:16,610 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 16:15:16,614 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 16:15:16,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:15:16,940 INFO L255 TraceCheckSpWp]: Trace formula consists of 605 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-10-13 16:15:16,947 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:15:16,953 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 16:15:16,976 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 16:15:16,997 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 16:15:17,812 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 16:15:17,813 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 16:15:17,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1396166783] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:15:17,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 16:15:17,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [5] total 14 [2024-10-13 16:15:17,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309217849] [2024-10-13 16:15:17,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:15:17,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 16:15:17,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:15:17,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 16:15:17,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-10-13 16:15:17,815 INFO L87 Difference]: Start difference. First operand 691 states and 963 transitions. Second operand has 11 states, 11 states have (on average 8.454545454545455) internal successors, (93), 10 states have internal predecessors, (93), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-13 16:15:19,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:15:19,241 INFO L93 Difference]: Finished difference Result 1576 states and 2224 transitions. [2024-10-13 16:15:19,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-13 16:15:19,241 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.454545454545455) internal successors, (93), 10 states have internal predecessors, (93), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 99 [2024-10-13 16:15:19,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:15:19,245 INFO L225 Difference]: With dead ends: 1576 [2024-10-13 16:15:19,246 INFO L226 Difference]: Without dead ends: 930 [2024-10-13 16:15:19,247 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=101, Invalid=361, Unknown=0, NotChecked=0, Total=462 [2024-10-13 16:15:19,247 INFO L432 NwaCegarLoop]: 482 mSDtfsCounter, 600 mSDsluCounter, 2493 mSDsCounter, 0 mSdLazyCounter, 673 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 607 SdHoareTripleChecker+Valid, 2975 SdHoareTripleChecker+Invalid, 678 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 673 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-13 16:15:19,248 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [607 Valid, 2975 Invalid, 678 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 673 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-13 16:15:19,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 930 states. [2024-10-13 16:15:19,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 930 to 691. [2024-10-13 16:15:19,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 691 states, 670 states have (on average 1.4029850746268657) internal successors, (940), 682 states have internal predecessors, (940), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-10-13 16:15:19,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 691 states and 962 transitions. [2024-10-13 16:15:19,269 INFO L78 Accepts]: Start accepts. Automaton has 691 states and 962 transitions. Word has length 99 [2024-10-13 16:15:19,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:15:19,269 INFO L471 AbstractCegarLoop]: Abstraction has 691 states and 962 transitions. [2024-10-13 16:15:19,269 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.454545454545455) internal successors, (93), 10 states have internal predecessors, (93), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-13 16:15:19,269 INFO L276 IsEmpty]: Start isEmpty. Operand 691 states and 962 transitions. [2024-10-13 16:15:19,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-10-13 16:15:19,270 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:15:19,270 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:15:19,290 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-13 16:15:19,474 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:15:19,475 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 16:15:19,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:15:19,475 INFO L85 PathProgramCache]: Analyzing trace with hash 468803123, now seen corresponding path program 1 times [2024-10-13 16:15:19,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:15:19,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548054726] [2024-10-13 16:15:19,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:15:19,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:15:19,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:15:19,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 16:15:19,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:15:19,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 16:15:19,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:15:19,953 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 16:15:19,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:15:19,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548054726] [2024-10-13 16:15:19,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548054726] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 16:15:19,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1928824702] [2024-10-13 16:15:19,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:15:19,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:15:19,955 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:15:19,956 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 16:15:19,957 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-13 16:15:20,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:15:20,298 INFO L255 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-10-13 16:15:20,303 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:16:30,820 WARN L286 SmtUtils]: Spent 5.67s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)