./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test5-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test5-1.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 df25530cebe2f8dbf5c0f407e5ccf4cecba61e3d44431cb17b70a57441db534c --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-23 01:21:52,657 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 01:21:52,710 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-23 01:21:52,714 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 01:21:52,715 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 01:21:52,745 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 01:21:52,745 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 01:21:52,746 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 01:21:52,746 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 01:21:52,747 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 01:21:52,747 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 01:21:52,747 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 01:21:52,748 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 01:21:52,748 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 01:21:52,748 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 01:21:52,749 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 01:21:52,749 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 01:21:52,749 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 01:21:52,750 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 01:21:52,750 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 01:21:52,750 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 01:21:52,751 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 01:21:52,751 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 01:21:52,752 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 01:21:52,752 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-23 01:21:52,752 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-23 01:21:52,752 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 01:21:52,753 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 01:21:52,753 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 01:21:52,753 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 01:21:52,754 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 01:21:52,754 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 01:21:52,754 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 01:21:52,754 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 01:21:52,755 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 01:21:52,755 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 01:21:52,755 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 01:21:52,755 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 01:21:52,756 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 01:21:52,756 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 01:21:52,756 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 01:21:52,757 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 01:21:52,757 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 01:21:52,757 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 01:21:52,757 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> df25530cebe2f8dbf5c0f407e5ccf4cecba61e3d44431cb17b70a57441db534c [2024-11-23 01:21:52,995 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 01:21:53,018 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 01:21:53,023 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 01:21:53,024 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 01:21:53,024 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 01:21:53,025 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test5-1.i [2024-11-23 01:21:54,447 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-23 01:21:54,756 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 01:21:54,756 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test5-1.i [2024-11-23 01:21:54,776 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f97dc048/8180674d6e2146ada10aa4944622a86d/FLAG773a5ae70 [2024-11-23 01:21:55,007 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f97dc048/8180674d6e2146ada10aa4944622a86d [2024-11-23 01:21:55,010 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 01:21:55,011 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 01:21:55,012 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 01:21:55,012 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 01:21:55,017 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 01:21:55,018 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:21:55" (1/1) ... [2024-11-23 01:21:55,019 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@729bf06d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:21:55, skipping insertion in model container [2024-11-23 01:21:55,021 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:21:55" (1/1) ... [2024-11-23 01:21:55,086 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 01:21:55,627 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 01:21:55,642 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 01:21:55,863 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 01:21:55,901 INFO L204 MainTranslator]: Completed translation [2024-11-23 01:21:55,903 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:21:55 WrapperNode [2024-11-23 01:21:55,903 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 01:21:55,904 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 01:21:55,904 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 01:21:55,904 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 01:21:55,910 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:21:55" (1/1) ... [2024-11-23 01:21:55,941 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:21:55" (1/1) ... [2024-11-23 01:21:56,010 INFO L138 Inliner]: procedures = 177, calls = 375, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2046 [2024-11-23 01:21:56,011 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 01:21:56,012 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 01:21:56,012 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 01:21:56,012 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 01:21:56,022 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:21:55" (1/1) ... [2024-11-23 01:21:56,022 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:21:55" (1/1) ... [2024-11-23 01:21:56,034 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:21:55" (1/1) ... [2024-11-23 01:21:56,127 INFO L175 MemorySlicer]: Split 349 memory accesses to 3 slices as follows [2, 323, 24]. 93 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 83 writes are split as follows [0, 82, 1]. [2024-11-23 01:21:56,127 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:21:55" (1/1) ... [2024-11-23 01:21:56,131 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:21:55" (1/1) ... [2024-11-23 01:21:56,180 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:21:55" (1/1) ... [2024-11-23 01:21:56,200 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:21:55" (1/1) ... [2024-11-23 01:21:56,210 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:21:55" (1/1) ... [2024-11-23 01:21:56,217 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:21:55" (1/1) ... [2024-11-23 01:21:56,228 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 01:21:56,229 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 01:21:56,230 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 01:21:56,230 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 01:21:56,231 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:21:55" (1/1) ... [2024-11-23 01:21:56,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 01:21:56,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 01:21:56,264 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 01:21:56,266 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 01:21:56,310 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-23 01:21:56,310 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-23 01:21:56,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-23 01:21:56,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-23 01:21:56,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-23 01:21:56,311 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-23 01:21:56,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-23 01:21:56,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-23 01:21:56,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-23 01:21:56,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-23 01:21:56,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-23 01:21:56,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-23 01:21:56,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-23 01:21:56,313 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-23 01:21:56,313 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-23 01:21:56,313 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-23 01:21:56,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-23 01:21:56,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 01:21:56,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-23 01:21:56,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-23 01:21:56,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-23 01:21:56,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-23 01:21:56,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-23 01:21:56,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-23 01:21:56,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-23 01:21:56,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-23 01:21:56,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 01:21:56,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-23 01:21:56,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-23 01:21:56,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 01:21:56,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 01:21:56,572 INFO L238 CfgBuilder]: Building ICFG [2024-11-23 01:21:56,574 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 01:21:58,425 INFO L? ?]: Removed 492 outVars from TransFormulas that were not future-live. [2024-11-23 01:21:58,425 INFO L287 CfgBuilder]: Performing block encoding [2024-11-23 01:21:58,458 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 01:21:58,458 INFO L316 CfgBuilder]: Removed 83 assume(true) statements. [2024-11-23 01:21:58,459 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:21:58 BoogieIcfgContainer [2024-11-23 01:21:58,459 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 01:21:58,465 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 01:21:58,465 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 01:21:58,468 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 01:21:58,469 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:21:55" (1/3) ... [2024-11-23 01:21:58,469 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d042fcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:21:58, skipping insertion in model container [2024-11-23 01:21:58,469 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:21:55" (2/3) ... [2024-11-23 01:21:58,470 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d042fcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:21:58, skipping insertion in model container [2024-11-23 01:21:58,471 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:21:58" (3/3) ... [2024-11-23 01:21:58,472 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_BER_test5-1.i [2024-11-23 01:21:58,487 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 01:21:58,488 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2024-11-23 01:21:58,574 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 01:21:58,579 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;@15cd1a3c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 01:21:58,579 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-11-23 01:21:58,586 INFO L276 IsEmpty]: Start isEmpty. Operand has 589 states, 562 states have (on average 1.6298932384341638) internal successors, (916), 579 states have internal predecessors, (916), 13 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-23 01:21:58,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-23 01:21:58,591 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:21:58,592 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-23 01:21:58,592 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-23 01:21:58,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:21:58,596 INFO L85 PathProgramCache]: Analyzing trace with hash 1851784934, now seen corresponding path program 1 times [2024-11-23 01:21:58,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:21:58,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58601044] [2024-11-23 01:21:58,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:21:58,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:21:58,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:21:58,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:21:58,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:21:58,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58601044] [2024-11-23 01:21:58,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58601044] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:21:58,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:21:58,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 01:21:58,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913131656] [2024-11-23 01:21:58,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:21:58,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 01:21:58,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:21:58,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 01:21:58,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 01:21:58,795 INFO L87 Difference]: Start difference. First operand has 589 states, 562 states have (on average 1.6298932384341638) internal successors, (916), 579 states have internal predecessors, (916), 13 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) 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) [2024-11-23 01:21:58,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:21:58,870 INFO L93 Difference]: Finished difference Result 1172 states and 1886 transitions. [2024-11-23 01:21:58,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 01:21:58,872 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 [2024-11-23 01:21:58,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:21:58,888 INFO L225 Difference]: With dead ends: 1172 [2024-11-23 01:21:58,888 INFO L226 Difference]: Without dead ends: 578 [2024-11-23 01:21:58,897 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 01:21:58,902 INFO L432 NwaCegarLoop]: 845 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 845 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 01:21:58,903 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 845 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 01:21:58,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2024-11-23 01:21:58,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 578. [2024-11-23 01:21:58,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 578 states, 557 states have (on average 1.4631956912028725) internal successors, (815), 569 states have internal predecessors, (815), 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) [2024-11-23 01:21:58,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 578 states and 837 transitions. [2024-11-23 01:21:58,987 INFO L78 Accepts]: Start accepts. Automaton has 578 states and 837 transitions. Word has length 6 [2024-11-23 01:21:58,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:21:58,987 INFO L471 AbstractCegarLoop]: Abstraction has 578 states and 837 transitions. [2024-11-23 01:21:58,988 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) [2024-11-23 01:21:58,988 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 837 transitions. [2024-11-23 01:21:58,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-23 01:21:58,988 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:21:58,989 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:21:58,989 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 01:21:58,989 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-23 01:21:58,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:21:58,990 INFO L85 PathProgramCache]: Analyzing trace with hash 217801389, now seen corresponding path program 1 times [2024-11-23 01:21:58,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:21:58,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532138671] [2024-11-23 01:21:58,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:21:58,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:21:59,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:21:59,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:21:59,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:21:59,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532138671] [2024-11-23 01:21:59,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532138671] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:21:59,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:21:59,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 01:21:59,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97471134] [2024-11-23 01:21:59,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:21:59,070 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 01:21:59,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:21:59,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 01:21:59,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 01:21:59,072 INFO L87 Difference]: Start difference. First operand 578 states and 837 transitions. Second operand has 3 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) [2024-11-23 01:21:59,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:21:59,197 INFO L93 Difference]: Finished difference Result 1319 states and 1925 transitions. [2024-11-23 01:21:59,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 01:21:59,198 INFO L78 Accepts]: Start accepts. Automaton has has 3 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 [2024-11-23 01:21:59,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:21:59,206 INFO L225 Difference]: With dead ends: 1319 [2024-11-23 01:21:59,206 INFO L226 Difference]: Without dead ends: 1137 [2024-11-23 01:21:59,208 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 01:21:59,210 INFO L432 NwaCegarLoop]: 876 mSDtfsCounter, 794 mSDsluCounter, 820 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 805 SdHoareTripleChecker+Valid, 1696 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 01:21:59,210 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [805 Valid, 1696 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 01:21:59,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1137 states. [2024-11-23 01:21:59,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1137 to 754. [2024-11-23 01:21:59,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 754 states, 728 states have (on average 1.467032967032967) internal successors, (1068), 745 states have internal predecessors, (1068), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-23 01:21:59,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 754 states and 1100 transitions. [2024-11-23 01:21:59,260 INFO L78 Accepts]: Start accepts. Automaton has 754 states and 1100 transitions. Word has length 7 [2024-11-23 01:21:59,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:21:59,260 INFO L471 AbstractCegarLoop]: Abstraction has 754 states and 1100 transitions. [2024-11-23 01:21:59,260 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 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) [2024-11-23 01:21:59,261 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 1100 transitions. [2024-11-23 01:21:59,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-23 01:21:59,268 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:21:59,269 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:21:59,269 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 01:21:59,269 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-23 01:21:59,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:21:59,270 INFO L85 PathProgramCache]: Analyzing trace with hash 724823291, now seen corresponding path program 1 times [2024-11-23 01:21:59,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:21:59,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036186063] [2024-11-23 01:21:59,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:21:59,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:21:59,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:22:00,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:22:00,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:22:00,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036186063] [2024-11-23 01:22:00,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036186063] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:22:00,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:22:00,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 01:22:00,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078297590] [2024-11-23 01:22:00,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:22:00,005 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 01:22:00,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:22:00,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 01:22:00,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-23 01:22:00,007 INFO L87 Difference]: Start difference. First operand 754 states and 1100 transitions. Second operand has 5 states, 5 states have (on average 30.2) internal successors, (151), 5 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:22:00,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:22:00,131 INFO L93 Difference]: Finished difference Result 1459 states and 2127 transitions. [2024-11-23 01:22:00,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 01:22:00,132 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.2) internal successors, (151), 5 states have internal predecessors, (151), 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 151 [2024-11-23 01:22:00,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:22:00,136 INFO L225 Difference]: With dead ends: 1459 [2024-11-23 01:22:00,136 INFO L226 Difference]: Without dead ends: 712 [2024-11-23 01:22:00,139 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 [2024-11-23 01:22:00,140 INFO L432 NwaCegarLoop]: 732 mSDtfsCounter, 22 mSDsluCounter, 1450 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 2182 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 01:22:00,142 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 2182 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 01:22:00,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 712 states. [2024-11-23 01:22:00,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 712 to 712. [2024-11-23 01:22:00,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 712 states, 686 states have (on average 1.444606413994169) internal successors, (991), 703 states have internal predecessors, (991), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-23 01:22:00,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 712 states and 1023 transitions. [2024-11-23 01:22:00,164 INFO L78 Accepts]: Start accepts. Automaton has 712 states and 1023 transitions. Word has length 151 [2024-11-23 01:22:00,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:22:00,165 INFO L471 AbstractCegarLoop]: Abstraction has 712 states and 1023 transitions. [2024-11-23 01:22:00,165 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.2) internal successors, (151), 5 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:22:00,165 INFO L276 IsEmpty]: Start isEmpty. Operand 712 states and 1023 transitions. [2024-11-23 01:22:00,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-23 01:22:00,167 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:22:00,167 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:22:00,167 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 01:22:00,168 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-23 01:22:00,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:22:00,168 INFO L85 PathProgramCache]: Analyzing trace with hash 697169549, now seen corresponding path program 1 times [2024-11-23 01:22:00,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:22:00,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273957131] [2024-11-23 01:22:00,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:22:00,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:22:00,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:22:00,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:22:00,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:22:00,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273957131] [2024-11-23 01:22:00,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273957131] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:22:00,402 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:22:00,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 01:22:00,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804745829] [2024-11-23 01:22:00,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:22:00,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 01:22:00,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:22:00,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 01:22:00,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 01:22:00,405 INFO L87 Difference]: Start difference. First operand 712 states and 1023 transitions. Second operand has 4 states, 4 states have (on average 37.75) internal successors, (151), 4 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:22:00,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:22:00,478 INFO L93 Difference]: Finished difference Result 1411 states and 2033 transitions. [2024-11-23 01:22:00,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 01:22:00,479 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 37.75) internal successors, (151), 4 states have internal predecessors, (151), 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 151 [2024-11-23 01:22:00,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:22:00,482 INFO L225 Difference]: With dead ends: 1411 [2024-11-23 01:22:00,483 INFO L226 Difference]: Without dead ends: 706 [2024-11-23 01:22:00,484 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-23 01:22:00,487 INFO L432 NwaCegarLoop]: 734 mSDtfsCounter, 9 mSDsluCounter, 1449 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2183 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 01:22:00,489 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 2183 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 01:22:00,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 706 states. [2024-11-23 01:22:00,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 706 to 706. [2024-11-23 01:22:00,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 706 states, 680 states have (on average 1.4426470588235294) internal successors, (981), 697 states have internal predecessors, (981), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-23 01:22:00,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 706 states and 1013 transitions. [2024-11-23 01:22:00,510 INFO L78 Accepts]: Start accepts. Automaton has 706 states and 1013 transitions. Word has length 151 [2024-11-23 01:22:00,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:22:00,510 INFO L471 AbstractCegarLoop]: Abstraction has 706 states and 1013 transitions. [2024-11-23 01:22:00,511 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.75) internal successors, (151), 4 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:22:00,511 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 1013 transitions. [2024-11-23 01:22:00,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-23 01:22:00,513 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:22:00,513 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:22:00,513 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 01:22:00,514 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-23 01:22:00,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:22:00,514 INFO L85 PathProgramCache]: Analyzing trace with hash 1336057733, now seen corresponding path program 1 times [2024-11-23 01:22:00,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:22:00,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664543020] [2024-11-23 01:22:00,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:22:00,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:22:00,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:22:00,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:22:00,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:22:00,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664543020] [2024-11-23 01:22:00,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664543020] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:22:00,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:22:00,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 01:22:00,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283074806] [2024-11-23 01:22:00,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:22:00,758 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 01:22:00,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:22:00,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 01:22:00,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 01:22:00,759 INFO L87 Difference]: Start difference. First operand 706 states and 1013 transitions. Second operand has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:22:00,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:22:00,819 INFO L93 Difference]: Finished difference Result 1484 states and 2126 transitions. [2024-11-23 01:22:00,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 01:22:00,821 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 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 151 [2024-11-23 01:22:00,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:22:00,825 INFO L225 Difference]: With dead ends: 1484 [2024-11-23 01:22:00,825 INFO L226 Difference]: Without dead ends: 785 [2024-11-23 01:22:00,827 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 01:22:00,828 INFO L432 NwaCegarLoop]: 749 mSDtfsCounter, 54 mSDsluCounter, 742 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 1491 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 01:22:00,828 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 1491 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 01:22:00,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 785 states. [2024-11-23 01:22:00,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 785 to 785. [2024-11-23 01:22:00,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 785 states, 759 states have (on average 1.4321475625823452) internal successors, (1087), 776 states have internal predecessors, (1087), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-23 01:22:00,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 785 states and 1119 transitions. [2024-11-23 01:22:00,846 INFO L78 Accepts]: Start accepts. Automaton has 785 states and 1119 transitions. Word has length 151 [2024-11-23 01:22:00,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:22:00,847 INFO L471 AbstractCegarLoop]: Abstraction has 785 states and 1119 transitions. [2024-11-23 01:22:00,847 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:22:00,847 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 1119 transitions. [2024-11-23 01:22:00,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-23 01:22:00,851 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:22:00,852 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:22:00,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-23 01:22:00,855 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-23 01:22:00,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:22:00,855 INFO L85 PathProgramCache]: Analyzing trace with hash -652744185, now seen corresponding path program 1 times [2024-11-23 01:22:00,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:22:00,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032207317] [2024-11-23 01:22:00,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:22:00,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:22:00,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:22:01,242 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-23 01:22:01,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:22:01,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032207317] [2024-11-23 01:22:01,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032207317] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:22:01,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:22:01,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 01:22:01,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957922874] [2024-11-23 01:22:01,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:22:01,243 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 01:22:01,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:22:01,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 01:22:01,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 01:22:01,245 INFO L87 Difference]: Start difference. First operand 785 states and 1119 transitions. Second operand has 4 states, 4 states have (on average 39.75) internal successors, (159), 4 states have internal predecessors, (159), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-23 01:22:01,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:22:01,328 INFO L93 Difference]: Finished difference Result 1442 states and 2059 transitions. [2024-11-23 01:22:01,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 01:22:01,329 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 39.75) internal successors, (159), 4 states have internal predecessors, (159), 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 166 [2024-11-23 01:22:01,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:22:01,333 INFO L225 Difference]: With dead ends: 1442 [2024-11-23 01:22:01,333 INFO L226 Difference]: Without dead ends: 743 [2024-11-23 01:22:01,335 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-23 01:22:01,336 INFO L432 NwaCegarLoop]: 647 mSDtfsCounter, 30 mSDsluCounter, 1276 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 1923 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 01:22:01,338 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 1923 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 01:22:01,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 743 states. [2024-11-23 01:22:01,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 743 to 743. [2024-11-23 01:22:01,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 743 states, 717 states have (on average 1.408647140864714) internal successors, (1010), 734 states have internal predecessors, (1010), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-23 01:22:01,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 743 states and 1042 transitions. [2024-11-23 01:22:01,357 INFO L78 Accepts]: Start accepts. Automaton has 743 states and 1042 transitions. Word has length 166 [2024-11-23 01:22:01,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:22:01,358 INFO L471 AbstractCegarLoop]: Abstraction has 743 states and 1042 transitions. [2024-11-23 01:22:01,358 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.75) internal successors, (159), 4 states have internal predecessors, (159), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-23 01:22:01,358 INFO L276 IsEmpty]: Start isEmpty. Operand 743 states and 1042 transitions. [2024-11-23 01:22:01,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-23 01:22:01,360 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:22:01,360 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:22:01,360 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-23 01:22:01,360 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-23 01:22:01,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:22:01,361 INFO L85 PathProgramCache]: Analyzing trace with hash -1431076679, now seen corresponding path program 1 times [2024-11-23 01:22:01,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:22:01,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677232569] [2024-11-23 01:22:01,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:22:01,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:22:01,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:22:01,676 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-23 01:22:01,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:22:01,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677232569] [2024-11-23 01:22:01,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677232569] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:22:01,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:22:01,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 01:22:01,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035093171] [2024-11-23 01:22:01,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:22:01,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 01:22:01,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:22:01,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 01:22:01,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 01:22:01,680 INFO L87 Difference]: Start difference. First operand 743 states and 1042 transitions. Second operand has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-23 01:22:01,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:22:01,736 INFO L93 Difference]: Finished difference Result 1400 states and 1971 transitions. [2024-11-23 01:22:01,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 01:22:01,737 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 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 166 [2024-11-23 01:22:01,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:22:01,741 INFO L225 Difference]: With dead ends: 1400 [2024-11-23 01:22:01,741 INFO L226 Difference]: Without dead ends: 743 [2024-11-23 01:22:01,742 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 [2024-11-23 01:22:01,743 INFO L432 NwaCegarLoop]: 661 mSDtfsCounter, 1 mSDsluCounter, 639 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1300 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 01:22:01,743 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1300 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 01:22:01,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 743 states. [2024-11-23 01:22:01,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 743 to 743. [2024-11-23 01:22:01,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 743 states, 717 states have (on average 1.404463040446304) internal successors, (1007), 734 states have internal predecessors, (1007), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-23 01:22:01,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 743 states and 1039 transitions. [2024-11-23 01:22:01,759 INFO L78 Accepts]: Start accepts. Automaton has 743 states and 1039 transitions. Word has length 166 [2024-11-23 01:22:01,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:22:01,759 INFO L471 AbstractCegarLoop]: Abstraction has 743 states and 1039 transitions. [2024-11-23 01:22:01,759 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-23 01:22:01,760 INFO L276 IsEmpty]: Start isEmpty. Operand 743 states and 1039 transitions. [2024-11-23 01:22:01,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-23 01:22:01,761 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:22:01,761 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:22:01,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-23 01:22:01,762 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-23 01:22:01,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:22:01,762 INFO L85 PathProgramCache]: Analyzing trace with hash 1405808829, now seen corresponding path program 1 times [2024-11-23 01:22:01,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:22:01,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293627383] [2024-11-23 01:22:01,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:22:01,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:22:01,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:22:02,004 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-23 01:22:02,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:22:02,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293627383] [2024-11-23 01:22:02,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293627383] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:22:02,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:22:02,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 01:22:02,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034086318] [2024-11-23 01:22:02,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:22:02,007 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 01:22:02,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:22:02,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 01:22:02,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 01:22:02,008 INFO L87 Difference]: Start difference. First operand 743 states and 1039 transitions. Second operand has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-23 01:22:02,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:22:02,094 INFO L93 Difference]: Finished difference Result 1721 states and 2424 transitions. [2024-11-23 01:22:02,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 01:22:02,096 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 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 166 [2024-11-23 01:22:02,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:22:02,102 INFO L225 Difference]: With dead ends: 1721 [2024-11-23 01:22:02,102 INFO L226 Difference]: Without dead ends: 1064 [2024-11-23 01:22:02,104 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 01:22:02,105 INFO L432 NwaCegarLoop]: 861 mSDtfsCounter, 383 mSDsluCounter, 653 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 389 SdHoareTripleChecker+Valid, 1514 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 01:22:02,105 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [389 Valid, 1514 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 01:22:02,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1064 states. [2024-11-23 01:22:02,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1064 to 1059. [2024-11-23 01:22:02,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1059 states, 1020 states have (on average 1.4098039215686275) internal successors, (1438), 1047 states have internal predecessors, (1438), 29 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 13 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-23 01:22:02,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1059 states to 1059 states and 1496 transitions. [2024-11-23 01:22:02,154 INFO L78 Accepts]: Start accepts. Automaton has 1059 states and 1496 transitions. Word has length 166 [2024-11-23 01:22:02,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:22:02,155 INFO L471 AbstractCegarLoop]: Abstraction has 1059 states and 1496 transitions. [2024-11-23 01:22:02,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-23 01:22:02,157 INFO L276 IsEmpty]: Start isEmpty. Operand 1059 states and 1496 transitions. [2024-11-23 01:22:02,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-23 01:22:02,160 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:22:02,160 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:22:02,160 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-23 01:22:02,160 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-23 01:22:02,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:22:02,161 INFO L85 PathProgramCache]: Analyzing trace with hash 707791941, now seen corresponding path program 1 times [2024-11-23 01:22:02,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:22:02,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638759352] [2024-11-23 01:22:02,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:22:02,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:22:02,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:22:02,512 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-23 01:22:02,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:22:02,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638759352] [2024-11-23 01:22:02,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638759352] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:22:02,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:22:02,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 01:22:02,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538710508] [2024-11-23 01:22:02,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:22:02,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 01:22:02,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:22:02,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 01:22:02,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 01:22:02,515 INFO L87 Difference]: Start difference. First operand 1059 states and 1496 transitions. Second operand has 4 states, 3 states have (on average 54.666666666666664) internal successors, (164), 4 states have internal predecessors, (164), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-23 01:22:02,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:22:02,586 INFO L93 Difference]: Finished difference Result 1127 states and 1582 transitions. [2024-11-23 01:22:02,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 01:22:02,587 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 54.666666666666664) internal successors, (164), 4 states have internal predecessors, (164), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 181 [2024-11-23 01:22:02,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:22:02,591 INFO L225 Difference]: With dead ends: 1127 [2024-11-23 01:22:02,591 INFO L226 Difference]: Without dead ends: 1125 [2024-11-23 01:22:02,592 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 01:22:02,592 INFO L432 NwaCegarLoop]: 657 mSDtfsCounter, 462 mSDsluCounter, 1302 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 469 SdHoareTripleChecker+Valid, 1959 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 01:22:02,593 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [469 Valid, 1959 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 01:22:02,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1125 states. [2024-11-23 01:22:02,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1125 to 1123. [2024-11-23 01:22:02,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1123 states, 1081 states have (on average 1.4024051803885291) internal successors, (1516), 1108 states have internal predecessors, (1516), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-23 01:22:02,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1123 states to 1123 states and 1580 transitions. [2024-11-23 01:22:02,618 INFO L78 Accepts]: Start accepts. Automaton has 1123 states and 1580 transitions. Word has length 181 [2024-11-23 01:22:02,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:22:02,618 INFO L471 AbstractCegarLoop]: Abstraction has 1123 states and 1580 transitions. [2024-11-23 01:22:02,618 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 54.666666666666664) internal successors, (164), 4 states have internal predecessors, (164), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-23 01:22:02,619 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 1580 transitions. [2024-11-23 01:22:02,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-23 01:22:02,620 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:22:02,621 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:22:02,621 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-23 01:22:02,621 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-23 01:22:02,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:22:02,622 INFO L85 PathProgramCache]: Analyzing trace with hash 223452116, now seen corresponding path program 1 times [2024-11-23 01:22:02,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:22:02,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750323654] [2024-11-23 01:22:02,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:22:02,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:22:03,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:22:03,938 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-23 01:22:03,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:22:03,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750323654] [2024-11-23 01:22:03,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750323654] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 01:22:03,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [66504969] [2024-11-23 01:22:03,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:22:03,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 01:22:03,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 01:22:03,941 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 01:22:03,942 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 01:22:04,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:22:04,550 INFO L255 TraceCheckSpWp]: Trace formula consists of 1044 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-23 01:22:04,563 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 01:22:04,609 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-23 01:22:04,632 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-11-23 01:22:05,107 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 01:22:05,107 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 101 treesize of output 61 [2024-11-23 01:22:05,355 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-23 01:22:05,355 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 01:22:05,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [66504969] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:22:05,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 01:22:05,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [4] total 13 [2024-11-23 01:22:05,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26470697] [2024-11-23 01:22:05,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:22:05,356 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-23 01:22:05,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:22:05,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-23 01:22:05,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-23 01:22:05,358 INFO L87 Difference]: Start difference. First operand 1123 states and 1580 transitions. Second operand has 11 states, 11 states have (on average 15.454545454545455) internal successors, (170), 11 states have internal predecessors, (170), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-23 01:22:07,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:22:07,722 INFO L93 Difference]: Finished difference Result 2209 states and 3118 transitions. [2024-11-23 01:22:07,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-23 01:22:07,723 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 15.454545454545455) internal successors, (170), 11 states have internal predecessors, (170), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 187 [2024-11-23 01:22:07,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:22:07,730 INFO L225 Difference]: With dead ends: 2209 [2024-11-23 01:22:07,730 INFO L226 Difference]: Without dead ends: 1125 [2024-11-23 01:22:07,732 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=84, Invalid=336, Unknown=0, NotChecked=0, Total=420 [2024-11-23 01:22:07,732 INFO L432 NwaCegarLoop]: 643 mSDtfsCounter, 720 mSDsluCounter, 4891 mSDsCounter, 0 mSdLazyCounter, 1152 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 730 SdHoareTripleChecker+Valid, 5534 SdHoareTripleChecker+Invalid, 1157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-23 01:22:07,732 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [730 Valid, 5534 Invalid, 1157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1152 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-23 01:22:07,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1125 states. [2024-11-23 01:22:07,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1125 to 1123. [2024-11-23 01:22:07,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1123 states, 1081 states have (on average 1.4014801110083257) internal successors, (1515), 1108 states have internal predecessors, (1515), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-23 01:22:07,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1123 states to 1123 states and 1579 transitions. [2024-11-23 01:22:07,760 INFO L78 Accepts]: Start accepts. Automaton has 1123 states and 1579 transitions. Word has length 187 [2024-11-23 01:22:07,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:22:07,760 INFO L471 AbstractCegarLoop]: Abstraction has 1123 states and 1579 transitions. [2024-11-23 01:22:07,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 15.454545454545455) internal successors, (170), 11 states have internal predecessors, (170), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-23 01:22:07,760 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 1579 transitions. [2024-11-23 01:22:07,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-11-23 01:22:07,762 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:22:07,762 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:22:07,776 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-23 01:22:07,963 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-23 01:22:07,964 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-23 01:22:07,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:22:07,965 INFO L85 PathProgramCache]: Analyzing trace with hash 2080879856, now seen corresponding path program 1 times [2024-11-23 01:22:07,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:22:07,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064794612] [2024-11-23 01:22:07,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:22:07,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:22:08,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:22:08,938 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-23 01:22:08,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:22:08,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064794612] [2024-11-23 01:22:08,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064794612] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 01:22:08,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1241481679] [2024-11-23 01:22:08,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:22:08,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 01:22:08,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 01:22:08,940 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 01:22:08,944 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-23 01:22:09,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:22:09,560 INFO L255 TraceCheckSpWp]: Trace formula consists of 1045 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-23 01:22:09,573 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 01:22:09,641 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-23 01:22:09,642 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 01:22:09,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1241481679] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:22:09,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 01:22:09,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2024-11-23 01:22:09,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540319811] [2024-11-23 01:22:09,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:22:09,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 01:22:09,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:22:09,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 01:22:09,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 01:22:09,644 INFO L87 Difference]: Start difference. First operand 1123 states and 1579 transitions. Second operand has 4 states, 4 states have (on average 42.75) internal successors, (171), 4 states have internal predecessors, (171), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-23 01:22:09,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:22:09,775 INFO L93 Difference]: Finished difference Result 2207 states and 3117 transitions. [2024-11-23 01:22:09,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 01:22:09,776 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 42.75) internal successors, (171), 4 states have internal predecessors, (171), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 188 [2024-11-23 01:22:09,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:22:09,781 INFO L225 Difference]: With dead ends: 2207 [2024-11-23 01:22:09,782 INFO L226 Difference]: Without dead ends: 1123 [2024-11-23 01:22:09,783 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 01:22:09,784 INFO L432 NwaCegarLoop]: 657 mSDtfsCounter, 13 mSDsluCounter, 1189 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 1846 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 01:22:09,784 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 1846 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 01:22:09,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1123 states. [2024-11-23 01:22:09,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1123 to 1123. [2024-11-23 01:22:09,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1123 states, 1081 states have (on average 1.3996299722479186) internal successors, (1513), 1108 states have internal predecessors, (1513), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-23 01:22:09,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1123 states to 1123 states and 1577 transitions. [2024-11-23 01:22:09,815 INFO L78 Accepts]: Start accepts. Automaton has 1123 states and 1577 transitions. Word has length 188 [2024-11-23 01:22:09,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:22:09,815 INFO L471 AbstractCegarLoop]: Abstraction has 1123 states and 1577 transitions. [2024-11-23 01:22:09,815 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 42.75) internal successors, (171), 4 states have internal predecessors, (171), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-23 01:22:09,815 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 1577 transitions. [2024-11-23 01:22:09,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-23 01:22:09,817 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:22:09,817 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:22:09,832 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-23 01:22:10,018 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,SelfDestructingSolverStorable10 [2024-11-23 01:22:10,019 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-23 01:22:10,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:22:10,019 INFO L85 PathProgramCache]: Analyzing trace with hash -27534929, now seen corresponding path program 1 times [2024-11-23 01:22:10,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:22:10,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550632639] [2024-11-23 01:22:10,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:22:10,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:22:10,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:22:10,536 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-23 01:22:10,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:22:10,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550632639] [2024-11-23 01:22:10,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550632639] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:22:10,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:22:10,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 01:22:10,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058408637] [2024-11-23 01:22:10,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:22:10,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 01:22:10,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:22:10,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 01:22:10,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-23 01:22:10,538 INFO L87 Difference]: Start difference. First operand 1123 states and 1577 transitions. Second operand has 6 states, 6 states have (on average 28.666666666666668) internal successors, (172), 6 states have internal predecessors, (172), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-23 01:22:10,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:22:10,782 INFO L93 Difference]: Finished difference Result 2210 states and 3119 transitions. [2024-11-23 01:22:10,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 01:22:10,783 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 28.666666666666668) internal successors, (172), 6 states have internal predecessors, (172), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 189 [2024-11-23 01:22:10,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:22:10,788 INFO L225 Difference]: With dead ends: 2210 [2024-11-23 01:22:10,789 INFO L226 Difference]: Without dead ends: 1129 [2024-11-23 01:22:10,791 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-23 01:22:10,791 INFO L432 NwaCegarLoop]: 656 mSDtfsCounter, 4 mSDsluCounter, 1767 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 2423 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 01:22:10,792 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 2423 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 01:22:10,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1129 states. [2024-11-23 01:22:10,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1129 to 1129. [2024-11-23 01:22:10,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1129 states, 1087 states have (on average 1.3974241030358785) internal successors, (1519), 1114 states have internal predecessors, (1519), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-23 01:22:10,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1129 states to 1129 states and 1583 transitions. [2024-11-23 01:22:10,863 INFO L78 Accepts]: Start accepts. Automaton has 1129 states and 1583 transitions. Word has length 189 [2024-11-23 01:22:10,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:22:10,866 INFO L471 AbstractCegarLoop]: Abstraction has 1129 states and 1583 transitions. [2024-11-23 01:22:10,866 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 28.666666666666668) internal successors, (172), 6 states have internal predecessors, (172), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-23 01:22:10,867 INFO L276 IsEmpty]: Start isEmpty. Operand 1129 states and 1583 transitions. [2024-11-23 01:22:10,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-23 01:22:10,868 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:22:10,869 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:22:10,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-23 01:22:10,869 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-23 01:22:10,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:22:10,871 INFO L85 PathProgramCache]: Analyzing trace with hash 43225225, now seen corresponding path program 1 times [2024-11-23 01:22:10,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:22:10,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355826570] [2024-11-23 01:22:10,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:22:10,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:22:10,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:22:11,323 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-23 01:22:11,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:22:11,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355826570] [2024-11-23 01:22:11,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1355826570] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:22:11,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:22:11,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-23 01:22:11,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489902347] [2024-11-23 01:22:11,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:22:11,325 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 01:22:11,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:22:11,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 01:22:11,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-23 01:22:11,326 INFO L87 Difference]: Start difference. First operand 1129 states and 1583 transitions. Second operand has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 7 states have internal predecessors, (173), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-23 01:22:11,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:22:11,652 INFO L93 Difference]: Finished difference Result 2216 states and 3123 transitions. [2024-11-23 01:22:11,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 01:22:11,653 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 7 states have internal predecessors, (173), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 190 [2024-11-23 01:22:11,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:22:11,657 INFO L225 Difference]: With dead ends: 2216 [2024-11-23 01:22:11,657 INFO L226 Difference]: Without dead ends: 1139 [2024-11-23 01:22:11,659 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-23 01:22:11,660 INFO L432 NwaCegarLoop]: 646 mSDtfsCounter, 8 mSDsluCounter, 2914 mSDsCounter, 0 mSdLazyCounter, 399 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 3560 SdHoareTripleChecker+Invalid, 400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 01:22:11,660 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 3560 Invalid, 400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 399 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 01:22:11,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1139 states. [2024-11-23 01:22:11,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1139 to 1137. [2024-11-23 01:22:11,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1137 states, 1095 states have (on average 1.3963470319634703) internal successors, (1529), 1122 states have internal predecessors, (1529), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-23 01:22:11,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1137 states to 1137 states and 1593 transitions. [2024-11-23 01:22:11,689 INFO L78 Accepts]: Start accepts. Automaton has 1137 states and 1593 transitions. Word has length 190 [2024-11-23 01:22:11,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:22:11,689 INFO L471 AbstractCegarLoop]: Abstraction has 1137 states and 1593 transitions. [2024-11-23 01:22:11,690 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 7 states have internal predecessors, (173), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-23 01:22:11,690 INFO L276 IsEmpty]: Start isEmpty. Operand 1137 states and 1593 transitions. [2024-11-23 01:22:11,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-23 01:22:11,692 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:22:11,692 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:22:11,692 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-23 01:22:11,692 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-23 01:22:11,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:22:11,693 INFO L85 PathProgramCache]: Analyzing trace with hash 1877617005, now seen corresponding path program 1 times [2024-11-23 01:22:11,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:22:11,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79663344] [2024-11-23 01:22:11,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:22:11,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:22:12,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:22:12,468 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-23 01:22:12,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:22:12,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79663344] [2024-11-23 01:22:12,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79663344] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 01:22:12,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1243688584] [2024-11-23 01:22:12,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:22:12,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 01:22:12,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 01:22:12,472 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 01:22:12,474 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-23 01:22:13,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:22:13,159 INFO L255 TraceCheckSpWp]: Trace formula consists of 1044 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-23 01:22:13,165 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 01:22:13,195 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-23 01:22:13,199 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 01:22:13,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1243688584] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:22:13,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 01:22:13,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5 [2024-11-23 01:22:13,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291765181] [2024-11-23 01:22:13,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:22:13,202 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 01:22:13,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:22:13,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 01:22:13,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-23 01:22:13,203 INFO L87 Difference]: Start difference. First operand 1137 states and 1593 transitions. Second operand has 4 states, 4 states have (on average 44.75) internal successors, (179), 4 states have internal predecessors, (179), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-23 01:22:13,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:22:13,265 INFO L93 Difference]: Finished difference Result 2181 states and 3078 transitions. [2024-11-23 01:22:13,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 01:22:13,265 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 44.75) internal successors, (179), 4 states have internal predecessors, (179), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 190 [2024-11-23 01:22:13,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:22:13,271 INFO L225 Difference]: With dead ends: 2181 [2024-11-23 01:22:13,271 INFO L226 Difference]: Without dead ends: 1140 [2024-11-23 01:22:13,273 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-23 01:22:13,274 INFO L432 NwaCegarLoop]: 662 mSDtfsCounter, 0 mSDsluCounter, 1317 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1979 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 01:22:13,274 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1979 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 01:22:13,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1140 states. [2024-11-23 01:22:13,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1140 to 1140. [2024-11-23 01:22:13,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1140 states, 1097 states have (on average 1.3965360072926163) internal successors, (1532), 1125 states have internal predecessors, (1532), 32 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (36), 16 states have call predecessors, (36), 32 states have call successors, (36) [2024-11-23 01:22:13,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1140 states to 1140 states and 1600 transitions. [2024-11-23 01:22:13,311 INFO L78 Accepts]: Start accepts. Automaton has 1140 states and 1600 transitions. Word has length 190 [2024-11-23 01:22:13,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:22:13,311 INFO L471 AbstractCegarLoop]: Abstraction has 1140 states and 1600 transitions. [2024-11-23 01:22:13,312 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 44.75) internal successors, (179), 4 states have internal predecessors, (179), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-23 01:22:13,312 INFO L276 IsEmpty]: Start isEmpty. Operand 1140 states and 1600 transitions. [2024-11-23 01:22:13,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-23 01:22:13,314 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:22:13,314 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:22:13,328 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-23 01:22:13,515 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 01:22:13,516 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-23 01:22:13,516 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:22:13,517 INFO L85 PathProgramCache]: Analyzing trace with hash 831122025, now seen corresponding path program 1 times [2024-11-23 01:22:13,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:22:13,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471102554] [2024-11-23 01:22:13,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:22:13,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:22:14,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:22:14,453 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 5 proven. 19 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-23 01:22:14,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:22:14,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471102554] [2024-11-23 01:22:14,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471102554] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 01:22:14,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1158712327] [2024-11-23 01:22:14,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:22:14,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 01:22:14,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 01:22:14,457 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 01:22:14,459 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-23 01:22:15,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:22:15,445 INFO L255 TraceCheckSpWp]: Trace formula consists of 1104 conjuncts, 108 conjuncts are in the unsatisfiable core [2024-11-23 01:22:15,457 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 01:22:15,463 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2024-11-23 01:22:15,572 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-11-23 01:22:15,572 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 16 [2024-11-23 01:22:15,623 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-11-23 01:22:15,624 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 16 [2024-11-23 01:22:15,776 INFO L349 Elim1Store]: treesize reduction 30, result has 34.8 percent of original size [2024-11-23 01:22:15,777 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 33 [2024-11-23 01:22:15,785 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-11-23 01:22:15,789 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 13 treesize of output 9 [2024-11-23 01:22:15,838 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2024-11-23 01:22:15,842 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2024-11-23 01:22:15,982 INFO L349 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2024-11-23 01:22:15,982 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 57 [2024-11-23 01:22:15,989 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 13 [2024-11-23 01:22:17,991 INFO L190 IndexEqualityManager]: detected not equals via solver