./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test5-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test5-3.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 cb182062e759f3e947e2f86847df2222bda90081d4cc013a50b9baa2d9844063 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 23:18:16,446 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 23:18:16,531 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-24 23:18:16,535 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 23:18:16,536 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 23:18:16,566 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 23:18:16,566 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 23:18:16,566 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 23:18:16,567 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 23:18:16,571 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 23:18:16,571 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 23:18:16,572 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 23:18:16,572 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 23:18:16,573 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 23:18:16,573 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 23:18:16,573 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 23:18:16,573 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 23:18:16,573 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 23:18:16,574 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 23:18:16,574 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 23:18:16,576 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 23:18:16,576 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 23:18:16,577 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 23:18:16,577 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 23:18:16,578 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 23:18:16,579 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-24 23:18:16,579 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 23:18:16,579 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 23:18:16,579 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 23:18:16,580 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 23:18:16,580 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 23:18:16,580 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 23:18:16,580 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 23:18:16,581 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 23:18:16,581 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 23:18:16,582 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 23:18:16,582 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 23:18:16,582 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 23:18:16,583 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 23:18:16,583 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 23:18:16,583 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 23:18:16,583 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 23:18:16,584 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 23:18:16,584 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 23:18:16,584 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb182062e759f3e947e2f86847df2222bda90081d4cc013a50b9baa2d9844063 [2024-10-24 23:18:16,839 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 23:18:16,885 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 23:18:16,889 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 23:18:16,891 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 23:18:16,892 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 23:18:16,893 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test5-3.i [2024-10-24 23:18:18,394 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 23:18:18,721 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 23:18:18,722 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test5-3.i [2024-10-24 23:18:18,748 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ffd5203f/e868aabc84c041ce8e03d3daccf2d485/FLAG7308f8286 [2024-10-24 23:18:18,973 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ffd5203f/e868aabc84c041ce8e03d3daccf2d485 [2024-10-24 23:18:18,975 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 23:18:18,976 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 23:18:18,977 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 23:18:18,977 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 23:18:18,983 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 23:18:18,984 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:18:18" (1/1) ... [2024-10-24 23:18:18,985 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@126bda5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:18:18, skipping insertion in model container [2024-10-24 23:18:18,985 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:18:18" (1/1) ... [2024-10-24 23:18:19,048 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 23:18:19,643 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 23:18:19,656 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 23:18:19,785 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 23:18:19,824 INFO L204 MainTranslator]: Completed translation [2024-10-24 23:18:19,824 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:18:19 WrapperNode [2024-10-24 23:18:19,825 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 23:18:19,825 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 23:18:19,826 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 23:18:19,826 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 23:18:19,833 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:18:19" (1/1) ... [2024-10-24 23:18:19,869 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:18:19" (1/1) ... [2024-10-24 23:18:19,979 INFO L138 Inliner]: procedures = 177, calls = 474, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2361 [2024-10-24 23:18:19,980 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 23:18:19,981 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 23:18:19,981 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 23:18:19,981 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 23:18:19,992 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:18:19" (1/1) ... [2024-10-24 23:18:19,993 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:18:19" (1/1) ... [2024-10-24 23:18:20,014 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:18:19" (1/1) ... [2024-10-24 23:18:20,228 INFO L175 MemorySlicer]: Split 443 memory accesses to 3 slices as follows [2, 417, 24]. 94 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 99 writes are split as follows [0, 98, 1]. [2024-10-24 23:18:20,236 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:18:19" (1/1) ... [2024-10-24 23:18:20,236 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:18:19" (1/1) ... [2024-10-24 23:18:20,290 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:18:19" (1/1) ... [2024-10-24 23:18:20,314 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:18:19" (1/1) ... [2024-10-24 23:18:20,328 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:18:19" (1/1) ... [2024-10-24 23:18:20,342 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:18:19" (1/1) ... [2024-10-24 23:18:20,364 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 23:18:20,366 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 23:18:20,366 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 23:18:20,367 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 23:18:20,368 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:18:19" (1/1) ... [2024-10-24 23:18:20,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 23:18:20,385 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:18:20,405 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 23:18:20,409 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 23:18:20,459 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-10-24 23:18:20,459 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-10-24 23:18:20,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-24 23:18:20,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-24 23:18:20,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-24 23:18:20,460 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-24 23:18:20,460 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-24 23:18:20,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-24 23:18:20,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-24 23:18:20,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-24 23:18:20,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-10-24 23:18:20,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-10-24 23:18:20,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-10-24 23:18:20,462 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-10-24 23:18:20,462 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-10-24 23:18:20,463 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-10-24 23:18:20,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-24 23:18:20,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 23:18:20,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-24 23:18:20,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-24 23:18:20,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-24 23:18:20,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-24 23:18:20,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-24 23:18:20,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-24 23:18:20,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-24 23:18:20,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-24 23:18:20,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 23:18:20,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-24 23:18:20,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-24 23:18:20,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 23:18:20,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 23:18:20,752 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 23:18:20,754 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 23:18:23,002 INFO L? ?]: Removed 535 outVars from TransFormulas that were not future-live. [2024-10-24 23:18:23,002 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 23:18:23,073 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 23:18:23,073 INFO L314 CfgBuilder]: Removed 100 assume(true) statements. [2024-10-24 23:18:23,073 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:18:23 BoogieIcfgContainer [2024-10-24 23:18:23,074 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 23:18:23,077 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 23:18:23,077 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 23:18:23,081 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 23:18:23,081 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:18:18" (1/3) ... [2024-10-24 23:18:23,085 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f566228 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:18:23, skipping insertion in model container [2024-10-24 23:18:23,086 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:18:19" (2/3) ... [2024-10-24 23:18:23,086 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f566228 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:18:23, skipping insertion in model container [2024-10-24 23:18:23,086 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:18:23" (3/3) ... [2024-10-24 23:18:23,088 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test5-3.i [2024-10-24 23:18:23,103 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 23:18:23,103 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2024-10-24 23:18:23,180 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 23:18:23,186 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;@ec64625, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 23:18:23,187 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-10-24 23:18:23,194 INFO L276 IsEmpty]: Start isEmpty. Operand has 645 states, 618 states have (on average 1.6375404530744337) internal successors, (1012), 635 states have internal predecessors, (1012), 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) [2024-10-24 23:18:23,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-24 23:18:23,200 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:18:23,200 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-24 23:18:23,201 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)] === [2024-10-24 23:18:23,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:18:23,206 INFO L85 PathProgramCache]: Analyzing trace with hash -1942633980, now seen corresponding path program 1 times [2024-10-24 23:18:23,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:18:23,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338037004] [2024-10-24 23:18:23,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:18:23,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:18:23,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:18:23,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:18:23,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:18:23,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338037004] [2024-10-24 23:18:23,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338037004] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:18:23,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:18:23,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 23:18:23,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579654465] [2024-10-24 23:18:23,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:18:23,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 23:18:23,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:18:23,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 23:18:23,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 23:18:23,400 INFO L87 Difference]: Start difference. First operand has 645 states, 618 states have (on average 1.6375404530744337) internal successors, (1012), 635 states have internal predecessors, (1012), 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 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:18:23,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:18:23,509 INFO L93 Difference]: Finished difference Result 1285 states and 2079 transitions. [2024-10-24 23:18:23,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 23:18:23,512 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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 5 [2024-10-24 23:18:23,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:18:23,532 INFO L225 Difference]: With dead ends: 1285 [2024-10-24 23:18:23,532 INFO L226 Difference]: Without dead ends: 575 [2024-10-24 23:18:23,540 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 23:18:23,546 INFO L432 NwaCegarLoop]: 919 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 919 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 23:18:23,547 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 919 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 23:18:23,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 575 states. [2024-10-24 23:18:23,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 575 to 575. [2024-10-24 23:18:23,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 575 states, 554 states have (on average 1.4657039711191335) internal successors, (812), 566 states have internal predecessors, (812), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-10-24 23:18:23,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 575 states and 834 transitions. [2024-10-24 23:18:23,617 INFO L78 Accepts]: Start accepts. Automaton has 575 states and 834 transitions. Word has length 5 [2024-10-24 23:18:23,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:18:23,617 INFO L471 AbstractCegarLoop]: Abstraction has 575 states and 834 transitions. [2024-10-24 23:18:23,618 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:18:23,618 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 834 transitions. [2024-10-24 23:18:23,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-24 23:18:23,618 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:18:23,618 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-24 23:18:23,619 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 23:18:23,619 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)] === [2024-10-24 23:18:23,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:18:23,622 INFO L85 PathProgramCache]: Analyzing trace with hash -1445067953, now seen corresponding path program 1 times [2024-10-24 23:18:23,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:18:23,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106506431] [2024-10-24 23:18:23,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:18:23,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:18:23,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:18:23,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:18:23,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:18:23,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106506431] [2024-10-24 23:18:23,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106506431] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:18:23,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:18:23,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 23:18:23,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268622844] [2024-10-24 23:18:23,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:18:23,715 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 23:18:23,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:18:23,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 23:18:23,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 23:18:23,719 INFO L87 Difference]: Start difference. First operand 575 states and 834 transitions. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:18:23,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:18:23,815 INFO L93 Difference]: Finished difference Result 1313 states and 1920 transitions. [2024-10-24 23:18:23,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 23:18:23,816 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-10-24 23:18:23,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:18:23,821 INFO L225 Difference]: With dead ends: 1313 [2024-10-24 23:18:23,822 INFO L226 Difference]: Without dead ends: 1133 [2024-10-24 23:18:23,823 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 23:18:23,824 INFO L432 NwaCegarLoop]: 912 mSDtfsCounter, 793 mSDsluCounter, 815 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 804 SdHoareTripleChecker+Valid, 1727 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 23:18:23,824 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [804 Valid, 1727 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 23:18:23,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1133 states. [2024-10-24 23:18:23,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1133 to 746. [2024-10-24 23:18:23,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 746 states, 720 states have (on average 1.475) internal successors, (1062), 737 states have internal predecessors, (1062), 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) [2024-10-24 23:18:23,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 746 states and 1094 transitions. [2024-10-24 23:18:23,878 INFO L78 Accepts]: Start accepts. Automaton has 746 states and 1094 transitions. Word has length 6 [2024-10-24 23:18:23,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:18:23,879 INFO L471 AbstractCegarLoop]: Abstraction has 746 states and 1094 transitions. [2024-10-24 23:18:23,879 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:18:23,879 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 1094 transitions. [2024-10-24 23:18:23,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-24 23:18:23,880 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:18:23,880 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-24 23:18:23,880 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 23:18:23,880 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-24 23:18:23,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:18:23,881 INFO L85 PathProgramCache]: Analyzing trace with hash -1488171509, now seen corresponding path program 1 times [2024-10-24 23:18:23,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:18:23,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129970516] [2024-10-24 23:18:23,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:18:23,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:18:23,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 23:18:23,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [202106378] [2024-10-24 23:18:23,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:18:23,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:18:23,917 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:18:23,919 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 23:18:23,921 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-24 23:18:24,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:18:24,180 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 23:18:24,185 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:18:24,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:18:24,207 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 23:18:24,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:18:24,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129970516] [2024-10-24 23:18:24,208 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 23:18:24,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [202106378] [2024-10-24 23:18:24,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [202106378] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:18:24,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:18:24,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-24 23:18:24,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023520187] [2024-10-24 23:18:24,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:18:24,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 23:18:24,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:18:24,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 23:18:24,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 23:18:24,213 INFO L87 Difference]: Start difference. First operand 746 states and 1094 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:18:24,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:18:24,317 INFO L93 Difference]: Finished difference Result 1136 states and 1654 transitions. [2024-10-24 23:18:24,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 23:18:24,318 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-10-24 23:18:24,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:18:24,326 INFO L225 Difference]: With dead ends: 1136 [2024-10-24 23:18:24,326 INFO L226 Difference]: Without dead ends: 1133 [2024-10-24 23:18:24,327 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 23:18:24,328 INFO L432 NwaCegarLoop]: 864 mSDtfsCounter, 789 mSDsluCounter, 814 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 800 SdHoareTripleChecker+Valid, 1678 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 23:18:24,329 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [800 Valid, 1678 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 23:18:24,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1133 states. [2024-10-24 23:18:24,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1133 to 750. [2024-10-24 23:18:24,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 750 states, 724 states have (on average 1.4696132596685083) internal successors, (1064), 741 states have internal predecessors, (1064), 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) [2024-10-24 23:18:24,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 750 states and 1096 transitions. [2024-10-24 23:18:24,363 INFO L78 Accepts]: Start accepts. Automaton has 750 states and 1096 transitions. Word has length 6 [2024-10-24 23:18:24,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:18:24,363 INFO L471 AbstractCegarLoop]: Abstraction has 750 states and 1096 transitions. [2024-10-24 23:18:24,364 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:18:24,364 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 1096 transitions. [2024-10-24 23:18:24,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-24 23:18:24,375 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:18:24,375 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] [2024-10-24 23:18:24,395 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-24 23:18:24,576 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:18:24,577 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)] === [2024-10-24 23:18:24,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:18:24,577 INFO L85 PathProgramCache]: Analyzing trace with hash -345445987, now seen corresponding path program 1 times [2024-10-24 23:18:24,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:18:24,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523839111] [2024-10-24 23:18:24,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:18:24,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:18:24,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:18:25,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:18:25,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:18:25,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523839111] [2024-10-24 23:18:25,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523839111] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:18:25,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:18:25,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 23:18:25,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63890976] [2024-10-24 23:18:25,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:18:25,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 23:18:25,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:18:25,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 23:18:25,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 23:18:25,267 INFO L87 Difference]: Start difference. First operand 750 states and 1096 transitions. Second operand has 5 states, 5 states have (on average 30.0) internal successors, (150), 5 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:18:25,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:18:25,376 INFO L93 Difference]: Finished difference Result 1497 states and 2189 transitions. [2024-10-24 23:18:25,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 23:18:25,377 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.0) internal successors, (150), 5 states have internal predecessors, (150), 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 150 [2024-10-24 23:18:25,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:18:25,380 INFO L225 Difference]: With dead ends: 1497 [2024-10-24 23:18:25,381 INFO L226 Difference]: Without dead ends: 753 [2024-10-24 23:18:25,382 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 23:18:25,385 INFO L432 NwaCegarLoop]: 803 mSDtfsCounter, 103 mSDsluCounter, 1589 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 2392 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 23:18:25,386 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 2392 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 23:18:25,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 753 states. [2024-10-24 23:18:25,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 753 to 750. [2024-10-24 23:18:25,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 750 states, 724 states have (on average 1.4599447513812154) internal successors, (1057), 741 states have internal predecessors, (1057), 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) [2024-10-24 23:18:25,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 750 states and 1089 transitions. [2024-10-24 23:18:25,411 INFO L78 Accepts]: Start accepts. Automaton has 750 states and 1089 transitions. Word has length 150 [2024-10-24 23:18:25,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:18:25,411 INFO L471 AbstractCegarLoop]: Abstraction has 750 states and 1089 transitions. [2024-10-24 23:18:25,411 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.0) internal successors, (150), 5 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:18:25,412 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 1089 transitions. [2024-10-24 23:18:25,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-24 23:18:25,414 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:18:25,414 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] [2024-10-24 23:18:25,414 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 23:18:25,414 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)] === [2024-10-24 23:18:25,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:18:25,415 INFO L85 PathProgramCache]: Analyzing trace with hash -440808151, now seen corresponding path program 1 times [2024-10-24 23:18:25,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:18:25,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499054559] [2024-10-24 23:18:25,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:18:25,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:18:25,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:18:25,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:18:25,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:18:25,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499054559] [2024-10-24 23:18:25,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499054559] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:18:25,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:18:25,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 23:18:25,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792951381] [2024-10-24 23:18:25,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:18:25,752 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 23:18:25,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:18:25,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 23:18:25,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 23:18:25,753 INFO L87 Difference]: Start difference. First operand 750 states and 1089 transitions. Second operand has 4 states, 4 states have (on average 37.5) internal successors, (150), 4 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:18:25,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:18:25,842 INFO L93 Difference]: Finished difference Result 1446 states and 2097 transitions. [2024-10-24 23:18:25,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 23:18:25,843 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 37.5) internal successors, (150), 4 states have internal predecessors, (150), 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 150 [2024-10-24 23:18:25,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:18:25,847 INFO L225 Difference]: With dead ends: 1446 [2024-10-24 23:18:25,848 INFO L226 Difference]: Without dead ends: 702 [2024-10-24 23:18:25,850 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 23:18:25,851 INFO L432 NwaCegarLoop]: 728 mSDtfsCounter, 9 mSDsluCounter, 1439 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2167 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 23:18:25,853 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 2167 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 23:18:25,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 702 states. [2024-10-24 23:18:25,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 702 to 702. [2024-10-24 23:18:25,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 702 states, 676 states have (on average 1.4452662721893492) internal successors, (977), 693 states have internal predecessors, (977), 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) [2024-10-24 23:18:25,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 702 states and 1009 transitions. [2024-10-24 23:18:25,874 INFO L78 Accepts]: Start accepts. Automaton has 702 states and 1009 transitions. Word has length 150 [2024-10-24 23:18:25,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:18:25,875 INFO L471 AbstractCegarLoop]: Abstraction has 702 states and 1009 transitions. [2024-10-24 23:18:25,875 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.5) internal successors, (150), 4 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:18:25,878 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 1009 transitions. [2024-10-24 23:18:25,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-24 23:18:25,880 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:18:25,880 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] [2024-10-24 23:18:25,880 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 23:18:25,880 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)] === [2024-10-24 23:18:25,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:18:25,881 INFO L85 PathProgramCache]: Analyzing trace with hash 265788455, now seen corresponding path program 1 times [2024-10-24 23:18:25,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:18:25,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764890580] [2024-10-24 23:18:25,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:18:25,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:18:25,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:18:26,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:18:26,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:18:26,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764890580] [2024-10-24 23:18:26,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764890580] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:18:26,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:18:26,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 23:18:26,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10059656] [2024-10-24 23:18:26,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:18:26,109 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 23:18:26,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:18:26,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 23:18:26,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 23:18:26,111 INFO L87 Difference]: Start difference. First operand 702 states and 1009 transitions. Second operand has 3 states, 3 states have (on average 50.0) internal successors, (150), 2 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:18:26,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:18:26,167 INFO L93 Difference]: Finished difference Result 1477 states and 2119 transitions. [2024-10-24 23:18:26,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 23:18:26,168 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 2 states have internal predecessors, (150), 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 150 [2024-10-24 23:18:26,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:18:26,174 INFO L225 Difference]: With dead ends: 1477 [2024-10-24 23:18:26,174 INFO L226 Difference]: Without dead ends: 781 [2024-10-24 23:18:26,176 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 23:18:26,178 INFO L432 NwaCegarLoop]: 743 mSDtfsCounter, 54 mSDsluCounter, 737 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 1480 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 23:18:26,179 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 1480 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 23:18:26,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 781 states. [2024-10-24 23:18:26,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 781 to 781. [2024-10-24 23:18:26,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 781 states, 755 states have (on average 1.4344370860927151) internal successors, (1083), 772 states have internal predecessors, (1083), 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) [2024-10-24 23:18:26,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 781 states and 1115 transitions. [2024-10-24 23:18:26,203 INFO L78 Accepts]: Start accepts. Automaton has 781 states and 1115 transitions. Word has length 150 [2024-10-24 23:18:26,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:18:26,204 INFO L471 AbstractCegarLoop]: Abstraction has 781 states and 1115 transitions. [2024-10-24 23:18:26,204 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 2 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:18:26,204 INFO L276 IsEmpty]: Start isEmpty. Operand 781 states and 1115 transitions. [2024-10-24 23:18:26,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-10-24 23:18:26,206 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:18:26,207 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:18:26,207 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 23:18:26,207 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)] === [2024-10-24 23:18:26,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:18:26,208 INFO L85 PathProgramCache]: Analyzing trace with hash 1266227275, now seen corresponding path program 1 times [2024-10-24 23:18:26,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:18:26,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812935315] [2024-10-24 23:18:26,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:18:26,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:18:26,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:18:26,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-24 23:18:26,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:18:26,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-24 23:18:26,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:18:26,520 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-24 23:18:26,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:18:26,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812935315] [2024-10-24 23:18:26,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812935315] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:18:26,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:18:26,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 23:18:26,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797067762] [2024-10-24 23:18:26,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:18:26,522 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 23:18:26,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:18:26,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 23:18:26,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 23:18:26,524 INFO L87 Difference]: Start difference. First operand 781 states and 1115 transitions. Second operand has 5 states, 5 states have (on average 31.4) internal successors, (157), 4 states have internal predecessors, (157), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 23:18:26,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:18:26,982 INFO L93 Difference]: Finished difference Result 1482 states and 2129 transitions. [2024-10-24 23:18:26,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 23:18:26,983 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 31.4) internal successors, (157), 4 states have internal predecessors, (157), 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 163 [2024-10-24 23:18:26,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:18:26,989 INFO L225 Difference]: With dead ends: 1482 [2024-10-24 23:18:26,989 INFO L226 Difference]: Without dead ends: 786 [2024-10-24 23:18:26,990 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-24 23:18:26,991 INFO L432 NwaCegarLoop]: 712 mSDtfsCounter, 110 mSDsluCounter, 1927 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 2639 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 23:18:26,991 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 2639 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 23:18:26,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2024-10-24 23:18:27,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 781. [2024-10-24 23:18:27,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 781 states, 755 states have (on average 1.4251655629139073) internal successors, (1076), 772 states have internal predecessors, (1076), 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) [2024-10-24 23:18:27,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 781 states and 1108 transitions. [2024-10-24 23:18:27,016 INFO L78 Accepts]: Start accepts. Automaton has 781 states and 1108 transitions. Word has length 163 [2024-10-24 23:18:27,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:18:27,017 INFO L471 AbstractCegarLoop]: Abstraction has 781 states and 1108 transitions. [2024-10-24 23:18:27,017 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.4) internal successors, (157), 4 states have internal predecessors, (157), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 23:18:27,017 INFO L276 IsEmpty]: Start isEmpty. Operand 781 states and 1108 transitions. [2024-10-24 23:18:27,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-10-24 23:18:27,019 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:18:27,019 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:18:27,019 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 23:18:27,020 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)] === [2024-10-24 23:18:27,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:18:27,020 INFO L85 PathProgramCache]: Analyzing trace with hash -1451267265, now seen corresponding path program 1 times [2024-10-24 23:18:27,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:18:27,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743739729] [2024-10-24 23:18:27,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:18:27,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:18:27,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:18:27,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-24 23:18:27,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:18:27,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-24 23:18:27,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:18:27,276 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-24 23:18:27,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:18:27,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743739729] [2024-10-24 23:18:27,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1743739729] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:18:27,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:18:27,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 23:18:27,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569582881] [2024-10-24 23:18:27,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:18:27,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 23:18:27,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:18:27,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 23:18:27,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 23:18:27,283 INFO L87 Difference]: Start difference. First operand 781 states and 1108 transitions. Second operand has 4 states, 4 states have (on average 39.25) internal successors, (157), 3 states have internal predecessors, (157), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 23:18:27,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:18:27,699 INFO L93 Difference]: Finished difference Result 1485 states and 2121 transitions. [2024-10-24 23:18:27,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 23:18:27,700 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 39.25) internal successors, (157), 3 states have internal predecessors, (157), 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 163 [2024-10-24 23:18:27,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:18:27,704 INFO L225 Difference]: With dead ends: 1485 [2024-10-24 23:18:27,704 INFO L226 Difference]: Without dead ends: 789 [2024-10-24 23:18:27,705 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 23:18:27,706 INFO L432 NwaCegarLoop]: 727 mSDtfsCounter, 6 mSDsluCounter, 1322 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 2049 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 23:18:27,706 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 2049 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 23:18:27,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 789 states. [2024-10-24 23:18:27,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 789 to 787. [2024-10-24 23:18:27,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 787 states, 761 states have (on average 1.4218134034165573) internal successors, (1082), 778 states have internal predecessors, (1082), 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) [2024-10-24 23:18:27,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 787 states and 1114 transitions. [2024-10-24 23:18:27,725 INFO L78 Accepts]: Start accepts. Automaton has 787 states and 1114 transitions. Word has length 163 [2024-10-24 23:18:27,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:18:27,726 INFO L471 AbstractCegarLoop]: Abstraction has 787 states and 1114 transitions. [2024-10-24 23:18:27,726 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.25) internal successors, (157), 3 states have internal predecessors, (157), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 23:18:27,726 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 1114 transitions. [2024-10-24 23:18:27,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-10-24 23:18:27,728 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:18:27,728 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:18:27,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 23:18:27,728 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)] === [2024-10-24 23:18:27,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:18:27,729 INFO L85 PathProgramCache]: Analyzing trace with hash -970187007, now seen corresponding path program 1 times [2024-10-24 23:18:27,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:18:27,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973342437] [2024-10-24 23:18:27,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:18:27,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:18:27,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:18:27,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-24 23:18:27,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:18:27,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-24 23:18:27,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:18:27,993 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-24 23:18:27,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:18:27,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973342437] [2024-10-24 23:18:27,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973342437] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:18:27,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:18:27,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 23:18:27,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271958250] [2024-10-24 23:18:27,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:18:27,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 23:18:27,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:18:27,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 23:18:27,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 23:18:27,996 INFO L87 Difference]: Start difference. First operand 787 states and 1114 transitions. Second operand has 4 states, 4 states have (on average 39.25) internal successors, (157), 3 states have internal predecessors, (157), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 23:18:28,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:18:28,550 INFO L93 Difference]: Finished difference Result 1858 states and 2663 transitions. [2024-10-24 23:18:28,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 23:18:28,551 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 39.25) internal successors, (157), 3 states have internal predecessors, (157), 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 163 [2024-10-24 23:18:28,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:18:28,556 INFO L225 Difference]: With dead ends: 1858 [2024-10-24 23:18:28,557 INFO L226 Difference]: Without dead ends: 1156 [2024-10-24 23:18:28,558 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 23:18:28,587 INFO L432 NwaCegarLoop]: 930 mSDtfsCounter, 463 mSDsluCounter, 1534 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 470 SdHoareTripleChecker+Valid, 2464 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 23:18:28,587 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [470 Valid, 2464 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 23:18:28,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1156 states. [2024-10-24 23:18:28,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1156 to 1149. [2024-10-24 23:18:28,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1149 states, 1110 states have (on average 1.4324324324324325) internal successors, (1590), 1137 states have internal predecessors, (1590), 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) [2024-10-24 23:18:28,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1149 states to 1149 states and 1648 transitions. [2024-10-24 23:18:28,635 INFO L78 Accepts]: Start accepts. Automaton has 1149 states and 1648 transitions. Word has length 163 [2024-10-24 23:18:28,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:18:28,636 INFO L471 AbstractCegarLoop]: Abstraction has 1149 states and 1648 transitions. [2024-10-24 23:18:28,636 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.25) internal successors, (157), 3 states have internal predecessors, (157), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 23:18:28,636 INFO L276 IsEmpty]: Start isEmpty. Operand 1149 states and 1648 transitions. [2024-10-24 23:18:28,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-10-24 23:18:28,638 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:18:28,639 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-24 23:18:28,639 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 23:18:28,639 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-24 23:18:28,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:18:28,641 INFO L85 PathProgramCache]: Analyzing trace with hash 136034715, now seen corresponding path program 1 times [2024-10-24 23:18:28,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:18:28,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028103704] [2024-10-24 23:18:28,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:18:28,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:18:28,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:18:29,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-24 23:18:29,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:18:29,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-24 23:18:29,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:18:29,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-24 23:18:29,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:18:29,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 23:18:29,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:18:29,067 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-24 23:18:29,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:18:29,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028103704] [2024-10-24 23:18:29,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028103704] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:18:29,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:18:29,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 23:18:29,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934403652] [2024-10-24 23:18:29,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:18:29,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 23:18:29,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:18:29,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 23:18:29,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 23:18:29,070 INFO L87 Difference]: Start difference. First operand 1149 states and 1648 transitions. Second operand has 5 states, 4 states have (on average 40.5) internal successors, (162), 4 states have internal predecessors, (162), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-24 23:18:29,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:18:29,508 INFO L93 Difference]: Finished difference Result 1151 states and 1659 transitions. [2024-10-24 23:18:29,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 23:18:29,509 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 40.5) internal successors, (162), 4 states have internal predecessors, (162), 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 176 [2024-10-24 23:18:29,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:18:29,516 INFO L225 Difference]: With dead ends: 1151 [2024-10-24 23:18:29,516 INFO L226 Difference]: Without dead ends: 1149 [2024-10-24 23:18:29,517 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 23:18:29,518 INFO L432 NwaCegarLoop]: 714 mSDtfsCounter, 548 mSDsluCounter, 1328 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 557 SdHoareTripleChecker+Valid, 2042 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 23:18:29,519 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [557 Valid, 2042 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 23:18:29,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1149 states. [2024-10-24 23:18:29,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1149 to 1147. [2024-10-24 23:18:29,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1147 states, 1110 states have (on average 1.4297297297297298) internal successors, (1587), 1135 states have internal predecessors, (1587), 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) [2024-10-24 23:18:29,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1147 states to 1147 states and 1645 transitions. [2024-10-24 23:18:29,568 INFO L78 Accepts]: Start accepts. Automaton has 1147 states and 1645 transitions. Word has length 176 [2024-10-24 23:18:29,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:18:29,568 INFO L471 AbstractCegarLoop]: Abstraction has 1147 states and 1645 transitions. [2024-10-24 23:18:29,569 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 40.5) internal successors, (162), 4 states have internal predecessors, (162), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-24 23:18:29,569 INFO L276 IsEmpty]: Start isEmpty. Operand 1147 states and 1645 transitions. [2024-10-24 23:18:29,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-10-24 23:18:29,571 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:18:29,571 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-24 23:18:29,571 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-24 23:18:29,571 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-24 23:18:29,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:18:29,572 INFO L85 PathProgramCache]: Analyzing trace with hash -77889599, now seen corresponding path program 1 times [2024-10-24 23:18:29,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:18:29,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032497690] [2024-10-24 23:18:29,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:18:29,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:18:29,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:18:29,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-24 23:18:29,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:18:29,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-24 23:18:29,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:18:29,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-24 23:18:29,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:18:29,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 23:18:29,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:18:29,888 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-24 23:18:29,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:18:29,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032497690] [2024-10-24 23:18:29,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032497690] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:18:29,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:18:29,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 23:18:29,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502355237] [2024-10-24 23:18:29,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:18:29,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 23:18:29,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:18:29,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 23:18:29,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 23:18:29,891 INFO L87 Difference]: Start difference. First operand 1147 states and 1645 transitions. Second operand has 5 states, 4 states have (on average 40.75) internal successors, (163), 4 states have internal predecessors, (163), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-24 23:18:30,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:18:30,321 INFO L93 Difference]: Finished difference Result 1216 states and 1744 transitions. [2024-10-24 23:18:30,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 23:18:30,322 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 40.75) internal successors, (163), 4 states have internal predecessors, (163), 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 177 [2024-10-24 23:18:30,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:18:30,327 INFO L225 Difference]: With dead ends: 1216 [2024-10-24 23:18:30,328 INFO L226 Difference]: Without dead ends: 1215 [2024-10-24 23:18:30,329 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 23:18:30,329 INFO L432 NwaCegarLoop]: 720 mSDtfsCounter, 541 mSDsluCounter, 2034 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 550 SdHoareTripleChecker+Valid, 2754 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 23:18:30,330 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [550 Valid, 2754 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 23:18:30,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1215 states. [2024-10-24 23:18:30,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1215 to 1211. [2024-10-24 23:18:30,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1211 states, 1171 states have (on average 1.4218616567036721) internal successors, (1665), 1196 states have internal predecessors, (1665), 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) [2024-10-24 23:18:30,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1211 states to 1211 states and 1729 transitions. [2024-10-24 23:18:30,391 INFO L78 Accepts]: Start accepts. Automaton has 1211 states and 1729 transitions. Word has length 177 [2024-10-24 23:18:30,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:18:30,392 INFO L471 AbstractCegarLoop]: Abstraction has 1211 states and 1729 transitions. [2024-10-24 23:18:30,392 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 40.75) internal successors, (163), 4 states have internal predecessors, (163), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-24 23:18:30,392 INFO L276 IsEmpty]: Start isEmpty. Operand 1211 states and 1729 transitions. [2024-10-24 23:18:30,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-10-24 23:18:30,394 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:18:30,394 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-24 23:18:30,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-24 23:18:30,395 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)] === [2024-10-24 23:18:30,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:18:30,395 INFO L85 PathProgramCache]: Analyzing trace with hash -362843990, now seen corresponding path program 1 times [2024-10-24 23:18:30,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:18:30,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961963841] [2024-10-24 23:18:30,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:18:30,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:18:31,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:18:31,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-24 23:18:31,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:18:31,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-24 23:18:31,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:18:31,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-24 23:18:31,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:18:31,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 23:18:31,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:18:31,515 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-24 23:18:31,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:18:31,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961963841] [2024-10-24 23:18:31,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961963841] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 23:18:31,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1990126881] [2024-10-24 23:18:31,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:18:31,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:18:31,517 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:18:31,519 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 23:18:31,521 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-24 23:18:32,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:18:32,203 INFO L255 TraceCheckSpWp]: Trace formula consists of 1044 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-10-24 23:18:32,212 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:18:32,263 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-10-24 23:18:32,287 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-10-24 23:18:32,810 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-24 23:18:32,810 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 77 treesize of output 55 [2024-10-24 23:18:33,064 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-24 23:18:33,064 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 23:18:33,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1990126881] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:18:33,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 23:18:33,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [5] total 14 [2024-10-24 23:18:33,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712609059] [2024-10-24 23:18:33,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:18:33,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-24 23:18:33,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:18:33,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-24 23:18:33,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2024-10-24 23:18:33,066 INFO L87 Difference]: Start difference. First operand 1211 states and 1729 transitions. Second operand has 11 states, 11 states have (on average 15.272727272727273) internal successors, (168), 10 states have internal predecessors, (168), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-24 23:18:35,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:18:35,197 INFO L93 Difference]: Finished difference Result 2386 states and 3417 transitions. [2024-10-24 23:18:35,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 23:18:35,197 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 15.272727272727273) internal successors, (168), 10 states have internal predecessors, (168), 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 182 [2024-10-24 23:18:35,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:18:35,203 INFO L225 Difference]: With dead ends: 2386 [2024-10-24 23:18:35,203 INFO L226 Difference]: Without dead ends: 1213 [2024-10-24 23:18:35,205 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=92, Invalid=370, Unknown=0, NotChecked=0, Total=462 [2024-10-24 23:18:35,205 INFO L432 NwaCegarLoop]: 754 mSDtfsCounter, 795 mSDsluCounter, 4573 mSDsCounter, 0 mSdLazyCounter, 900 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 805 SdHoareTripleChecker+Valid, 5327 SdHoareTripleChecker+Invalid, 905 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 900 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-10-24 23:18:35,206 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [805 Valid, 5327 Invalid, 905 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 900 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-10-24 23:18:35,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1213 states. [2024-10-24 23:18:35,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1213 to 1211. [2024-10-24 23:18:35,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1211 states, 1171 states have (on average 1.4210076857386849) internal successors, (1664), 1196 states have internal predecessors, (1664), 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) [2024-10-24 23:18:35,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1211 states to 1211 states and 1728 transitions. [2024-10-24 23:18:35,243 INFO L78 Accepts]: Start accepts. Automaton has 1211 states and 1728 transitions. Word has length 182 [2024-10-24 23:18:35,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:18:35,243 INFO L471 AbstractCegarLoop]: Abstraction has 1211 states and 1728 transitions. [2024-10-24 23:18:35,243 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 15.272727272727273) internal successors, (168), 10 states have internal predecessors, (168), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-24 23:18:35,244 INFO L276 IsEmpty]: Start isEmpty. Operand 1211 states and 1728 transitions. [2024-10-24 23:18:35,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-10-24 23:18:35,245 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:18:35,245 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-24 23:18:35,267 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-24 23:18:35,449 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,SelfDestructingSolverStorable11 [2024-10-24 23:18:35,450 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)] === [2024-10-24 23:18:35,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:18:35,450 INFO L85 PathProgramCache]: Analyzing trace with hash 1779507906, now seen corresponding path program 1 times [2024-10-24 23:18:35,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:18:35,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091081533] [2024-10-24 23:18:35,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:18:35,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:18:35,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:18:36,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 23:18:36,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:18:36,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 23:18:36,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:18:36,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 23:18:36,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:18:36,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 23:18:36,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:18:36,225 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-24 23:18:36,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:18:36,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091081533] [2024-10-24 23:18:36,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2091081533] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 23:18:36,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1276650317] [2024-10-24 23:18:36,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:18:36,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:18:36,226 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:18:36,228 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 23:18:36,229 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-24 23:18:36,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:18:36,886 INFO L255 TraceCheckSpWp]: Trace formula consists of 1045 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-10-24 23:18:36,894 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:18:36,950 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-24 23:18:36,950 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 23:18:36,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1276650317] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:18:36,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 23:18:36,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2024-10-24 23:18:36,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698530815] [2024-10-24 23:18:36,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:18:36,951 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 23:18:36,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:18:36,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 23:18:36,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 23:18:36,953 INFO L87 Difference]: Start difference. First operand 1211 states and 1728 transitions. Second operand has 4 states, 4 states have (on average 42.25) internal successors, (169), 4 states have internal predecessors, (169), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-24 23:18:37,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:18:37,090 INFO L93 Difference]: Finished difference Result 2384 states and 3416 transitions. [2024-10-24 23:18:37,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 23:18:37,094 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 42.25) internal successors, (169), 4 states have internal predecessors, (169), 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 183 [2024-10-24 23:18:37,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:18:37,099 INFO L225 Difference]: With dead ends: 2384 [2024-10-24 23:18:37,099 INFO L226 Difference]: Without dead ends: 1211 [2024-10-24 23:18:37,102 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 23:18:37,102 INFO L432 NwaCegarLoop]: 725 mSDtfsCounter, 13 mSDsluCounter, 1327 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 2052 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 23:18:37,102 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 2052 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 23:18:37,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1211 states. [2024-10-24 23:18:37,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1211 to 1211. [2024-10-24 23:18:37,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1211 states, 1171 states have (on average 1.4192997438087105) internal successors, (1662), 1196 states have internal predecessors, (1662), 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) [2024-10-24 23:18:37,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1211 states to 1211 states and 1726 transitions. [2024-10-24 23:18:37,138 INFO L78 Accepts]: Start accepts. Automaton has 1211 states and 1726 transitions. Word has length 183 [2024-10-24 23:18:37,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:18:37,138 INFO L471 AbstractCegarLoop]: Abstraction has 1211 states and 1726 transitions. [2024-10-24 23:18:37,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 42.25) internal successors, (169), 4 states have internal predecessors, (169), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-24 23:18:37,139 INFO L276 IsEmpty]: Start isEmpty. Operand 1211 states and 1726 transitions. [2024-10-24 23:18:37,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-10-24 23:18:37,141 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:18:37,141 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-24 23:18:37,163 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-24 23:18:37,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:18:37,346 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)] === [2024-10-24 23:18:37,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:18:37,346 INFO L85 PathProgramCache]: Analyzing trace with hash -1188678779, now seen corresponding path program 1 times [2024-10-24 23:18:37,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:18:37,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539218703] [2024-10-24 23:18:37,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:18:37,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:18:37,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:18:37,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 23:18:37,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:18:37,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 23:18:37,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:18:37,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-24 23:18:37,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:18:37,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-24 23:18:37,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:18:37,887 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-24 23:18:37,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:18:37,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539218703] [2024-10-24 23:18:37,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539218703] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:18:37,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:18:37,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 23:18:37,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263412312] [2024-10-24 23:18:37,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:18:37,889 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 23:18:37,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:18:37,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 23:18:37,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-24 23:18:37,890 INFO L87 Difference]: Start difference. First operand 1211 states and 1726 transitions. Second operand has 7 states, 7 states have (on average 24.285714285714285) internal successors, (170), 6 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) [2024-10-24 23:18:38,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:18:38,581 INFO L93 Difference]: Finished difference Result 2389 states and 3432 transitions. [2024-10-24 23:18:38,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 23:18:38,582 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.285714285714285) internal successors, (170), 6 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 184 [2024-10-24 23:18:38,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:18:38,587 INFO L225 Difference]: With dead ends: 2389 [2024-10-24 23:18:38,587 INFO L226 Difference]: Without dead ends: 1219 [2024-10-24 23:18:38,590 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-24 23:18:38,590 INFO L432 NwaCegarLoop]: 720 mSDtfsCounter, 9 mSDsluCounter, 2558 mSDsCounter, 0 mSdLazyCounter, 389 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 3278 SdHoareTripleChecker+Invalid, 401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-24 23:18:38,591 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 3278 Invalid, 401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 389 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-24 23:18:38,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1219 states. [2024-10-24 23:18:38,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1219 to 1217. [2024-10-24 23:18:38,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1217 states, 1177 states have (on average 1.4171622769753611) internal successors, (1668), 1202 states have internal predecessors, (1668), 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) [2024-10-24 23:18:38,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1217 states to 1217 states and 1732 transitions. [2024-10-24 23:18:38,622 INFO L78 Accepts]: Start accepts. Automaton has 1217 states and 1732 transitions. Word has length 184 [2024-10-24 23:18:38,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:18:38,622 INFO L471 AbstractCegarLoop]: Abstraction has 1217 states and 1732 transitions. [2024-10-24 23:18:38,622 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.285714285714285) internal successors, (170), 6 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) [2024-10-24 23:18:38,622 INFO L276 IsEmpty]: Start isEmpty. Operand 1217 states and 1732 transitions. [2024-10-24 23:18:38,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-10-24 23:18:38,624 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:18:38,624 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-24 23:18:38,625 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-24 23:18:38,625 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)] === [2024-10-24 23:18:38,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:18:38,625 INFO L85 PathProgramCache]: Analyzing trace with hash 1759200091, now seen corresponding path program 1 times [2024-10-24 23:18:38,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:18:38,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516691447] [2024-10-24 23:18:38,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:18:38,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:18:38,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:18:39,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-24 23:18:39,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:18:39,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-24 23:18:39,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:18:39,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-24 23:18:39,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:18:39,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-24 23:18:39,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:18:39,108 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-24 23:18:39,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:18:39,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516691447] [2024-10-24 23:18:39,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516691447] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:18:39,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:18:39,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 23:18:39,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874663161] [2024-10-24 23:18:39,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:18:39,109 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 23:18:39,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:18:39,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 23:18:39,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-24 23:18:39,110 INFO L87 Difference]: Start difference. First operand 1217 states and 1732 transitions. Second operand has 8 states, 8 states have (on average 21.375) internal successors, (171), 7 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) [2024-10-24 23:18:39,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:18:39,966 INFO L93 Difference]: Finished difference Result 2395 states and 3436 transitions. [2024-10-24 23:18:39,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 23:18:39,966 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 21.375) internal successors, (171), 7 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 185 [2024-10-24 23:18:39,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:18:39,972 INFO L225 Difference]: With dead ends: 2395 [2024-10-24 23:18:39,972 INFO L226 Difference]: Without dead ends: 1229 [2024-10-24 23:18:39,974 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-24 23:18:39,975 INFO L432 NwaCegarLoop]: 710 mSDtfsCounter, 13 mSDsluCounter, 3815 mSDsCounter, 0 mSdLazyCounter, 582 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 4525 SdHoareTripleChecker+Invalid, 594 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 582 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-24 23:18:39,975 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 4525 Invalid, 594 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 582 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-24 23:18:39,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1229 states. [2024-10-24 23:18:40,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1229 to 1225. [2024-10-24 23:18:40,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1225 states, 1185 states have (on average 1.4160337552742617) internal successors, (1678), 1210 states have internal predecessors, (1678), 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) [2024-10-24 23:18:40,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1225 states to 1225 states and 1742 transitions. [2024-10-24 23:18:40,012 INFO L78 Accepts]: Start accepts. Automaton has 1225 states and 1742 transitions. Word has length 185 [2024-10-24 23:18:40,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:18:40,012 INFO L471 AbstractCegarLoop]: Abstraction has 1225 states and 1742 transitions. [2024-10-24 23:18:40,012 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 21.375) internal successors, (171), 7 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) [2024-10-24 23:18:40,012 INFO L276 IsEmpty]: Start isEmpty. Operand 1225 states and 1742 transitions. [2024-10-24 23:18:40,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-10-24 23:18:40,014 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:18:40,015 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-24 23:18:40,015 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-24 23:18:40,015 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-24 23:18:40,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:18:40,016 INFO L85 PathProgramCache]: Analyzing trace with hash 889843263, now seen corresponding path program 1 times [2024-10-24 23:18:40,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:18:40,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594854300] [2024-10-24 23:18:40,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:18:40,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:18:40,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:18:40,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-24 23:18:40,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:18:40,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-24 23:18:40,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:18:40,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-24 23:18:40,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:18:40,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-24 23:18:40,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:18:40,856 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-24 23:18:40,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:18:40,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594854300] [2024-10-24 23:18:40,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594854300] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 23:18:40,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1545870347] [2024-10-24 23:18:40,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:18:40,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:18:40,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:18:40,858 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 23:18:40,859 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-24 23:18:41,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:18:41,636 INFO L255 TraceCheckSpWp]: Trace formula consists of 1044 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-24 23:18:41,642 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:18:41,666 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-24 23:18:41,667 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 23:18:41,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1545870347] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:18:41,667 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 23:18:41,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 6 [2024-10-24 23:18:41,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776418492] [2024-10-24 23:18:41,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:18:41,668 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 23:18:41,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:18:41,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 23:18:41,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-24 23:18:41,669 INFO L87 Difference]: Start difference. First operand 1225 states and 1742 transitions. Second operand has 4 states, 3 states have (on average 58.333333333333336) internal successors, (175), 4 states have internal predecessors, (175), 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) [2024-10-24 23:18:41,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:18:41,744 INFO L93 Difference]: Finished difference Result 2357 states and 3376 transitions. [2024-10-24 23:18:41,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 23:18:41,745 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 58.333333333333336) internal successors, (175), 4 states have internal predecessors, (175), 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 185 [2024-10-24 23:18:41,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:18:41,752 INFO L225 Difference]: With dead ends: 2357 [2024-10-24 23:18:41,752 INFO L226 Difference]: Without dead ends: 1227 [2024-10-24 23:18:41,754 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-24 23:18:41,755 INFO L432 NwaCegarLoop]: 731 mSDtfsCounter, 0 mSDsluCounter, 1455 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2186 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 23:18:41,755 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2186 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 23:18:41,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1227 states. [2024-10-24 23:18:41,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1227 to 1227. [2024-10-24 23:18:41,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1227 states, 1186 states have (on average 1.4165261382799326) internal successors, (1680), 1212 states have internal predecessors, (1680), 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) [2024-10-24 23:18:41,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1227 states to 1227 states and 1748 transitions. [2024-10-24 23:18:41,790 INFO L78 Accepts]: Start accepts. Automaton has 1227 states and 1748 transitions. Word has length 185 [2024-10-24 23:18:41,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:18:41,791 INFO L471 AbstractCegarLoop]: Abstraction has 1227 states and 1748 transitions. [2024-10-24 23:18:41,791 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 58.333333333333336) internal successors, (175), 4 states have internal predecessors, (175), 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) [2024-10-24 23:18:41,791 INFO L276 IsEmpty]: Start isEmpty. Operand 1227 states and 1748 transitions. [2024-10-24 23:18:41,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-10-24 23:18:41,793 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:18:41,794 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] [2024-10-24 23:18:41,817 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-24 23:18:41,994 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-10-24 23:18:41,995 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-24 23:18:41,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:18:41,995 INFO L85 PathProgramCache]: Analyzing trace with hash 447222795, now seen corresponding path program 1 times [2024-10-24 23:18:41,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:18:41,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576895354] [2024-10-24 23:18:41,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:18:41,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:18:42,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:18:43,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-24 23:18:43,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:18:43,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 23:18:43,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:18:43,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-24 23:18:43,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:18:43,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-24 23:18:43,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:18:43,215 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 5 proven. 16 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-24 23:18:43,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:18:43,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576895354] [2024-10-24 23:18:43,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576895354] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 23:18:43,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [140308825] [2024-10-24 23:18:43,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:18:43,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:18:43,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:18:43,219 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 23:18:43,221 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-24 23:18:44,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:18:44,063 INFO L255 TraceCheckSpWp]: Trace formula consists of 1104 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-10-24 23:18:44,068 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:18:44,288 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-24 23:18:44,288 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 23:18:44,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [140308825] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:18:44,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 23:18:44,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 13 [2024-10-24 23:18:44,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969936103] [2024-10-24 23:18:44,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:18:44,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 23:18:44,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:18:44,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 23:18:44,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-10-24 23:18:44,291 INFO L87 Difference]: Start difference. First operand 1227 states and 1748 transitions. Second operand has 9 states, 9 states have (on average 19.444444444444443) internal successors, (175), 9 states have internal predecessors, (175), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-24 23:18:44,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:18:44,683 INFO L93 Difference]: Finished difference Result 2319 states and 3313 transitions. [2024-10-24 23:18:44,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 23:18:44,683 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 19.444444444444443) internal successors, (175), 9 states have internal predecessors, (175), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 189 [2024-10-24 23:18:44,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:18:44,689 INFO L225 Difference]: With dead ends: 2319 [2024-10-24 23:18:44,689 INFO L226 Difference]: Without dead ends: 1331 [2024-10-24 23:18:44,691 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-10-24 23:18:44,691 INFO L432 NwaCegarLoop]: 714 mSDtfsCounter, 30 mSDsluCounter, 2592 mSDsCounter, 0 mSdLazyCounter, 465 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 3306 SdHoareTripleChecker+Invalid, 468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 465 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 23:18:44,692 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 3306 Invalid, 468 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 465 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 23:18:44,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1331 states. [2024-10-24 23:18:44,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1331 to 1307. [2024-10-24 23:18:44,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1307 states, 1266 states have (on average 1.4028436018957346) internal successors, (1776), 1292 states have internal predecessors, (1776), 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) [2024-10-24 23:18:44,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1307 states to 1307 states and 1844 transitions. [2024-10-24 23:18:44,727 INFO L78 Accepts]: Start accepts. Automaton has 1307 states and 1844 transitions. Word has length 189 [2024-10-24 23:18:44,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:18:44,727 INFO L471 AbstractCegarLoop]: Abstraction has 1307 states and 1844 transitions. [2024-10-24 23:18:44,728 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 19.444444444444443) internal successors, (175), 9 states have internal predecessors, (175), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-24 23:18:44,728 INFO L276 IsEmpty]: Start isEmpty. Operand 1307 states and 1844 transitions. [2024-10-24 23:18:44,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-10-24 23:18:44,730 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:18:44,730 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] [2024-10-24 23:18:44,753 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-24 23:18:44,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-10-24 23:18:44,935 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-24 23:18:44,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:18:44,935 INFO L85 PathProgramCache]: Analyzing trace with hash -2006069833, now seen corresponding path program 1 times [2024-10-24 23:18:44,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:18:44,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814677234] [2024-10-24 23:18:44,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:18:44,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:18:45,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:18:45,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-24 23:18:45,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:18:45,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 23:18:45,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:18:45,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 23:18:45,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:18:45,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 23:18:45,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:18:45,715 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-24 23:18:45,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:18:45,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814677234] [2024-10-24 23:18:45,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814677234] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:18:45,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:18:45,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 23:18:45,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243262340] [2024-10-24 23:18:45,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:18:45,717 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 23:18:45,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:18:45,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 23:18:45,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-24 23:18:45,719 INFO L87 Difference]: Start difference. First operand 1307 states and 1844 transitions. Second operand has 8 states, 8 states have (on average 21.625) internal successors, (173), 7 states have internal predecessors, (173), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-24 23:18:46,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:18:46,797 INFO L93 Difference]: Finished difference Result 2340 states and 3324 transitions. [2024-10-24 23:18:46,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 23:18:46,797 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 21.625) internal successors, (173), 7 states have internal predecessors, (173), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 190 [2024-10-24 23:18:46,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:18:46,802 INFO L225 Difference]: With dead ends: 2340 [2024-10-24 23:18:46,802 INFO L226 Difference]: Without dead ends: 1313 [2024-10-24 23:18:46,804 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-10-24 23:18:46,805 INFO L432 NwaCegarLoop]: 720 mSDtfsCounter, 22 mSDsluCounter, 3473 mSDsCounter, 0 mSdLazyCounter, 994 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 4193 SdHoareTripleChecker+Invalid, 1004 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 994 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-24 23:18:46,805 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 4193 Invalid, 1004 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 994 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-24 23:18:46,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1313 states. [2024-10-24 23:18:46,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1313 to 1301. [2024-10-24 23:18:46,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1301 states, 1260 states have (on average 1.4015873015873015) internal successors, (1766), 1286 states have internal predecessors, (1766), 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) [2024-10-24 23:18:46,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1301 states to 1301 states and 1834 transitions. [2024-10-24 23:18:46,837 INFO L78 Accepts]: Start accepts. Automaton has 1301 states and 1834 transitions. Word has length 190 [2024-10-24 23:18:46,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:18:46,837 INFO L471 AbstractCegarLoop]: Abstraction has 1301 states and 1834 transitions. [2024-10-24 23:18:46,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 21.625) internal successors, (173), 7 states have internal predecessors, (173), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-24 23:18:46,838 INFO L276 IsEmpty]: Start isEmpty. Operand 1301 states and 1834 transitions. [2024-10-24 23:18:46,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-10-24 23:18:46,840 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:18:46,840 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, 1] [2024-10-24 23:18:46,840 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-24 23:18:46,840 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-24 23:18:46,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:18:46,841 INFO L85 PathProgramCache]: Analyzing trace with hash 483724582, now seen corresponding path program 1 times [2024-10-24 23:18:46,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:18:46,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657312090] [2024-10-24 23:18:46,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:18:46,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:18:46,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:18:47,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-24 23:18:47,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:18:47,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 23:18:47,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:18:47,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 23:18:47,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:18:47,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-24 23:18:47,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:18:47,536 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-24 23:18:47,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:18:47,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657312090] [2024-10-24 23:18:47,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657312090] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:18:47,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:18:47,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 23:18:47,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806629176] [2024-10-24 23:18:47,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:18:47,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 23:18:47,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:18:47,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 23:18:47,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-24 23:18:47,540 INFO L87 Difference]: Start difference. First operand 1301 states and 1834 transitions. Second operand has 8 states, 8 states have (on average 21.75) internal successors, (174), 7 states have internal predecessors, (174), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-24 23:18:48,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:18:48,482 INFO L93 Difference]: Finished difference Result 2339 states and 3321 transitions. [2024-10-24 23:18:48,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 23:18:48,483 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 21.75) internal successors, (174), 7 states have internal predecessors, (174), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 191 [2024-10-24 23:18:48,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:18:48,490 INFO L225 Difference]: With dead ends: 2339 [2024-10-24 23:18:48,491 INFO L226 Difference]: Without dead ends: 1317 [2024-10-24 23:18:48,496 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-24 23:18:48,496 INFO L432 NwaCegarLoop]: 723 mSDtfsCounter, 21 mSDsluCounter, 2388 mSDsCounter, 0 mSdLazyCounter, 658 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 3111 SdHoareTripleChecker+Invalid, 668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 658 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-24 23:18:48,497 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 3111 Invalid, 668 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 658 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-24 23:18:48,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1317 states. [2024-10-24 23:18:48,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1317 to 1309. [2024-10-24 23:18:48,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1309 states, 1268 states have (on average 1.4006309148264984) internal successors, (1776), 1294 states have internal predecessors, (1776), 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) [2024-10-24 23:18:48,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1309 states to 1309 states and 1844 transitions. [2024-10-24 23:18:48,533 INFO L78 Accepts]: Start accepts. Automaton has 1309 states and 1844 transitions. Word has length 191 [2024-10-24 23:18:48,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:18:48,537 INFO L471 AbstractCegarLoop]: Abstraction has 1309 states and 1844 transitions. [2024-10-24 23:18:48,538 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 21.75) internal successors, (174), 7 states have internal predecessors, (174), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-24 23:18:48,538 INFO L276 IsEmpty]: Start isEmpty. Operand 1309 states and 1844 transitions. [2024-10-24 23:18:48,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-10-24 23:18:48,540 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:18:48,540 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, 1, 1] [2024-10-24 23:18:48,540 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-24 23:18:48,540 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-24 23:18:48,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:18:48,541 INFO L85 PathProgramCache]: Analyzing trace with hash -1991723104, now seen corresponding path program 1 times [2024-10-24 23:18:48,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:18:48,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784438563] [2024-10-24 23:18:48,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:18:48,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:18:49,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:18:49,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-24 23:18:49,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:18:49,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 23:18:49,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:18:49,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-24 23:18:49,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:18:49,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-24 23:18:49,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:18:49,640 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 5 proven. 16 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-24 23:18:49,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:18:49,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784438563] [2024-10-24 23:18:49,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784438563] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 23:18:49,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1371779335] [2024-10-24 23:18:49,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:18:49,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:18:49,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:18:49,643 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 23:18:49,645 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-24 23:18:50,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:18:50,628 INFO L255 TraceCheckSpWp]: Trace formula consists of 1104 conjuncts, 148 conjuncts are in the unsatisfiable core [2024-10-24 23:18:50,640 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:18:50,657 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2024-10-24 23:18:50,710 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 11 treesize of output 7 [2024-10-24 23:18:51,161 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 18 [2024-10-24 23:18:51,208 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 21 [2024-10-24 23:18:51,232 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 11 treesize of output 7 [2024-10-24 23:18:51,254 INFO L349 Elim1Store]: treesize reduction 26, result has 35.0 percent of original size [2024-10-24 23:18:51,255 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 29 [2024-10-24 23:18:51,268 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-10-24 23:18:51,276 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2024-10-24 23:18:51,384 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 18 treesize of output 10 [2024-10-24 23:18:51,389 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-10-24 23:18:51,394 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-10-24 23:18:51,549 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-10-24 23:18:51,549 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 66 treesize of output 57 [2024-10-24 23:18:51,559 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2024-10-24 23:18:51,571 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 11 [2024-10-24 23:19:13,104 INFO L224 Elim1Store]: Index analysis took 1807 ms