./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test2-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test2-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e277983cfe4b30513b023d34f2b840358d8a25fd7a5c39241cadd105379bfb92 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 07:19:52,673 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 07:19:52,742 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-17 07:19:52,749 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 07:19:52,749 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 07:19:52,780 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 07:19:52,781 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 07:19:52,783 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 07:19:52,783 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 07:19:52,784 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 07:19:52,784 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 07:19:52,784 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 07:19:52,786 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 07:19:52,786 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 07:19:52,788 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 07:19:52,788 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 07:19:52,788 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 07:19:52,789 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 07:19:52,789 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 07:19:52,789 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 07:19:52,789 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 07:19:52,790 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 07:19:52,790 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 07:19:52,790 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 07:19:52,791 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 07:19:52,791 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 07:19:52,791 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 07:19:52,791 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 07:19:52,792 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 07:19:52,792 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 07:19:52,792 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 07:19:52,793 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 07:19:52,793 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 07:19:52,793 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 07:19:52,794 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 07:19:52,794 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 07:19:52,794 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 07:19:52,794 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 07:19:52,795 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 07:19:52,795 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 07:19:52,795 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 07:19:52,796 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 07:19:52,797 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 07:19:52,797 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 07:19:52,797 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e277983cfe4b30513b023d34f2b840358d8a25fd7a5c39241cadd105379bfb92 [2024-11-17 07:19:53,066 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 07:19:53,094 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 07:19:53,096 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 07:19:53,098 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 07:19:53,098 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 07:19:53,099 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test2-1.i [2024-11-17 07:19:54,480 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 07:19:54,818 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 07:19:54,818 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test2-1.i [2024-11-17 07:19:54,843 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb5457c03/b5c66139eb9543989e1b7808d7e77660/FLAGeaa2c00ce [2024-11-17 07:19:54,860 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb5457c03/b5c66139eb9543989e1b7808d7e77660 [2024-11-17 07:19:54,862 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 07:19:54,864 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 07:19:54,868 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 07:19:54,868 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 07:19:54,873 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 07:19:54,874 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 07:19:54" (1/1) ... [2024-11-17 07:19:54,875 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d14c627 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:19:54, skipping insertion in model container [2024-11-17 07:19:54,875 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 07:19:54" (1/1) ... [2024-11-17 07:19:54,934 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 07:19:55,557 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 07:19:55,569 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 07:19:55,670 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 07:19:55,714 INFO L204 MainTranslator]: Completed translation [2024-11-17 07:19:55,714 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:19:55 WrapperNode [2024-11-17 07:19:55,714 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 07:19:55,715 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 07:19:55,716 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 07:19:55,716 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 07:19:55,723 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:19:55" (1/1) ... [2024-11-17 07:19:55,762 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:19:55" (1/1) ... [2024-11-17 07:19:55,843 INFO L138 Inliner]: procedures = 207, calls = 222, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1255 [2024-11-17 07:19:55,844 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 07:19:55,844 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 07:19:55,844 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 07:19:55,845 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 07:19:55,855 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:19:55" (1/1) ... [2024-11-17 07:19:55,856 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:19:55" (1/1) ... [2024-11-17 07:19:55,866 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:19:55" (1/1) ... [2024-11-17 07:19:55,927 INFO L175 MemorySlicer]: Split 206 memory accesses to 3 slices as follows [2, 170, 34]. 83 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 46 writes are split as follows [0, 42, 4]. [2024-11-17 07:19:55,928 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:19:55" (1/1) ... [2024-11-17 07:19:55,928 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:19:55" (1/1) ... [2024-11-17 07:19:55,972 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:19:55" (1/1) ... [2024-11-17 07:19:55,974 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:19:55" (1/1) ... [2024-11-17 07:19:55,978 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:19:55" (1/1) ... [2024-11-17 07:19:55,985 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:19:55" (1/1) ... [2024-11-17 07:19:56,001 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 07:19:56,002 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 07:19:56,002 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 07:19:56,002 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 07:19:56,003 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:19:55" (1/1) ... [2024-11-17 07:19:56,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 07:19:56,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:19:56,035 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-17 07:19:56,039 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-17 07:19:56,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-17 07:19:56,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-17 07:19:56,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-17 07:19:56,083 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-17 07:19:56,083 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-17 07:19:56,084 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-17 07:19:56,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-17 07:19:56,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-17 07:19:56,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-17 07:19:56,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-17 07:19:56,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-17 07:19:56,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-17 07:19:56,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-17 07:19:56,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-17 07:19:56,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-17 07:19:56,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-17 07:19:56,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-17 07:19:56,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-17 07:19:56,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 07:19:56,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-17 07:19:56,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-17 07:19:56,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-17 07:19:56,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 07:19:56,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-17 07:19:56,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-17 07:19:56,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 07:19:56,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 07:19:56,301 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 07:19:56,303 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 07:19:57,520 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L812: call ULTIMATE.dealloc(main_~#i~0#1.base, main_~#i~0#1.offset);havoc main_~#i~0#1.base, main_~#i~0#1.offset; [2024-11-17 07:19:57,632 INFO L? ?]: Removed 303 outVars from TransFormulas that were not future-live. [2024-11-17 07:19:57,633 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 07:19:57,697 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 07:19:57,697 INFO L336 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-17 07:19:57,699 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 07:19:57 BoogieIcfgContainer [2024-11-17 07:19:57,700 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 07:19:57,701 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 07:19:57,701 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 07:19:57,706 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 07:19:57,706 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 07:19:54" (1/3) ... [2024-11-17 07:19:57,707 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fd909f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 07:19:57, skipping insertion in model container [2024-11-17 07:19:57,707 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:19:55" (2/3) ... [2024-11-17 07:19:57,708 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fd909f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 07:19:57, skipping insertion in model container [2024-11-17 07:19:57,709 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 07:19:57" (3/3) ... [2024-11-17 07:19:57,710 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_JEN_nondet_test2-1.i [2024-11-17 07:19:57,728 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 07:19:57,728 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-17 07:19:57,824 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 07:19:57,833 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;@3c29fdeb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 07:19:57,833 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-17 07:19:57,839 INFO L276 IsEmpty]: Start isEmpty. Operand has 384 states, 373 states have (on average 1.613941018766756) internal successors, (602), 379 states have internal predecessors, (602), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-17 07:19:57,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-17 07:19:57,847 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:19:57,848 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:19:57,848 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:19:57,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:19:57,855 INFO L85 PathProgramCache]: Analyzing trace with hash -1404937483, now seen corresponding path program 1 times [2024-11-17 07:19:57,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:19:57,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137092022] [2024-11-17 07:19:57,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:19:57,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:19:58,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 07:19:58,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [625198111] [2024-11-17 07:19:58,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:19:58,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:19:58,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:19:58,039 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 07:19:58,041 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-17 07:19:58,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:58,188 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-17 07:19:58,197 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:19:58,234 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-17 07:19:58,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:19:58,273 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:19:58,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:19:58,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137092022] [2024-11-17 07:19:58,275 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 07:19:58,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [625198111] [2024-11-17 07:19:58,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [625198111] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:19:58,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:19:58,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 07:19:58,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862291347] [2024-11-17 07:19:58,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:19:58,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 07:19:58,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:19:58,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 07:19:58,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 07:19:58,311 INFO L87 Difference]: Start difference. First operand has 384 states, 373 states have (on average 1.613941018766756) internal successors, (602), 379 states have internal predecessors, (602), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:19:58,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:19:58,722 INFO L93 Difference]: Finished difference Result 1135 states and 1808 transitions. [2024-11-17 07:19:58,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 07:19:58,725 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 8 [2024-11-17 07:19:58,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:19:58,744 INFO L225 Difference]: With dead ends: 1135 [2024-11-17 07:19:58,748 INFO L226 Difference]: Without dead ends: 747 [2024-11-17 07:19:58,753 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 07:19:58,759 INFO L432 NwaCegarLoop]: 522 mSDtfsCounter, 524 mSDsluCounter, 995 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 527 SdHoareTripleChecker+Valid, 1517 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 07:19:58,760 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [527 Valid, 1517 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 07:19:58,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 747 states. [2024-11-17 07:19:58,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 747 to 384. [2024-11-17 07:19:58,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 384 states, 374 states have (on average 1.4491978609625669) internal successors, (542), 379 states have internal predecessors, (542), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-17 07:19:58,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 548 transitions. [2024-11-17 07:19:58,836 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 548 transitions. Word has length 8 [2024-11-17 07:19:58,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:19:58,836 INFO L471 AbstractCegarLoop]: Abstraction has 384 states and 548 transitions. [2024-11-17 07:19:58,837 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:19:58,837 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 548 transitions. [2024-11-17 07:19:58,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-17 07:19:58,840 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:19:58,841 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] [2024-11-17 07:19:58,855 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-17 07:19:59,041 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-17 07:19:59,042 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:19:59,043 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:19:59,043 INFO L85 PathProgramCache]: Analyzing trace with hash 309219218, now seen corresponding path program 1 times [2024-11-17 07:19:59,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:19:59,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006966423] [2024-11-17 07:19:59,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:19:59,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:19:59,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:59,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:19:59,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:19:59,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006966423] [2024-11-17 07:19:59,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1006966423] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:19:59,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:19:59,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 07:19:59,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536970384] [2024-11-17 07:19:59,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:19:59,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 07:19:59,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:19:59,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 07:19:59,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 07:19:59,437 INFO L87 Difference]: Start difference. First operand 384 states and 548 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:19:59,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:19:59,667 INFO L93 Difference]: Finished difference Result 550 states and 789 transitions. [2024-11-17 07:19:59,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 07:19:59,668 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 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 68 [2024-11-17 07:19:59,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:19:59,670 INFO L225 Difference]: With dead ends: 550 [2024-11-17 07:19:59,670 INFO L226 Difference]: Without dead ends: 387 [2024-11-17 07:19:59,674 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 07:19:59,675 INFO L432 NwaCegarLoop]: 472 mSDtfsCounter, 105 mSDsluCounter, 859 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 1331 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 07:19:59,676 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 1331 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 07:19:59,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2024-11-17 07:19:59,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 384. [2024-11-17 07:19:59,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 384 states, 374 states have (on average 1.4304812834224598) internal successors, (535), 379 states have internal predecessors, (535), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-17 07:19:59,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 541 transitions. [2024-11-17 07:19:59,698 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 541 transitions. Word has length 68 [2024-11-17 07:19:59,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:19:59,699 INFO L471 AbstractCegarLoop]: Abstraction has 384 states and 541 transitions. [2024-11-17 07:19:59,699 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:19:59,699 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 541 transitions. [2024-11-17 07:19:59,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-17 07:19:59,702 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:19:59,702 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] [2024-11-17 07:19:59,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-17 07:19:59,703 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:19:59,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:19:59,703 INFO L85 PathProgramCache]: Analyzing trace with hash 161471659, now seen corresponding path program 1 times [2024-11-17 07:19:59,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:19:59,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521180816] [2024-11-17 07:19:59,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:19:59,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:19:59,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:20:00,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:20:00,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:20:00,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521180816] [2024-11-17 07:20:00,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521180816] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:20:00,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:20:00,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 07:20:00,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427774696] [2024-11-17 07:20:00,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:20:00,037 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 07:20:00,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:20:00,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 07:20:00,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 07:20:00,039 INFO L87 Difference]: Start difference. First operand 384 states and 541 transitions. Second operand has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:20:00,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:20:00,261 INFO L93 Difference]: Finished difference Result 747 states and 1059 transitions. [2024-11-17 07:20:00,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 07:20:00,262 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 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 68 [2024-11-17 07:20:00,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:20:00,266 INFO L225 Difference]: With dead ends: 747 [2024-11-17 07:20:00,266 INFO L226 Difference]: Without dead ends: 745 [2024-11-17 07:20:00,266 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 07:20:00,268 INFO L432 NwaCegarLoop]: 477 mSDtfsCounter, 456 mSDsluCounter, 948 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 459 SdHoareTripleChecker+Valid, 1425 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 07:20:00,270 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [459 Valid, 1425 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 07:20:00,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2024-11-17 07:20:00,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 544. [2024-11-17 07:20:00,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 544 states, 534 states have (on average 1.4288389513108615) internal successors, (763), 539 states have internal predecessors, (763), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-17 07:20:00,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 769 transitions. [2024-11-17 07:20:00,299 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 769 transitions. Word has length 68 [2024-11-17 07:20:00,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:20:00,299 INFO L471 AbstractCegarLoop]: Abstraction has 544 states and 769 transitions. [2024-11-17 07:20:00,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:20:00,300 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 769 transitions. [2024-11-17 07:20:00,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-17 07:20:00,307 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:20:00,307 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] [2024-11-17 07:20:00,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-17 07:20:00,307 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:20:00,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:20:00,308 INFO L85 PathProgramCache]: Analyzing trace with hash -614398757, now seen corresponding path program 1 times [2024-11-17 07:20:00,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:20:00,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173973845] [2024-11-17 07:20:00,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:20:00,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:20:00,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:20:00,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:20:00,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:20:00,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173973845] [2024-11-17 07:20:00,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173973845] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:20:00,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:20:00,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 07:20:00,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633210736] [2024-11-17 07:20:00,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:20:00,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 07:20:00,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:20:00,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 07:20:00,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 07:20:00,539 INFO L87 Difference]: Start difference. First operand 544 states and 769 transitions. Second operand has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:20:00,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:20:00,682 INFO L93 Difference]: Finished difference Result 1037 states and 1462 transitions. [2024-11-17 07:20:00,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 07:20:00,683 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 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 84 [2024-11-17 07:20:00,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:20:00,686 INFO L225 Difference]: With dead ends: 1037 [2024-11-17 07:20:00,687 INFO L226 Difference]: Without dead ends: 502 [2024-11-17 07:20:00,688 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 07:20:00,690 INFO L432 NwaCegarLoop]: 397 mSDtfsCounter, 36 mSDsluCounter, 779 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 1176 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 07:20:00,691 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 1176 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 07:20:00,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 502 states. [2024-11-17 07:20:00,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 502 to 502. [2024-11-17 07:20:00,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 502 states, 492 states have (on average 1.3943089430894309) internal successors, (686), 497 states have internal predecessors, (686), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-17 07:20:00,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 502 states and 692 transitions. [2024-11-17 07:20:00,706 INFO L78 Accepts]: Start accepts. Automaton has 502 states and 692 transitions. Word has length 84 [2024-11-17 07:20:00,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:20:00,708 INFO L471 AbstractCegarLoop]: Abstraction has 502 states and 692 transitions. [2024-11-17 07:20:00,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:20:00,708 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 692 transitions. [2024-11-17 07:20:00,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-17 07:20:00,710 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:20:00,711 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] [2024-11-17 07:20:00,711 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-17 07:20:00,711 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:20:00,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:20:00,712 INFO L85 PathProgramCache]: Analyzing trace with hash -502131567, now seen corresponding path program 1 times [2024-11-17 07:20:00,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:20:00,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410409239] [2024-11-17 07:20:00,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:20:00,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:20:00,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:20:00,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:20:00,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:20:00,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410409239] [2024-11-17 07:20:00,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410409239] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:20:00,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:20:00,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 07:20:00,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757874756] [2024-11-17 07:20:00,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:20:00,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 07:20:00,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:20:00,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 07:20:00,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 07:20:00,902 INFO L87 Difference]: Start difference. First operand 502 states and 692 transitions. Second operand has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:20:01,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:20:01,038 INFO L93 Difference]: Finished difference Result 989 states and 1368 transitions. [2024-11-17 07:20:01,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 07:20:01,038 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 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 84 [2024-11-17 07:20:01,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:20:01,041 INFO L225 Difference]: With dead ends: 989 [2024-11-17 07:20:01,041 INFO L226 Difference]: Without dead ends: 496 [2024-11-17 07:20:01,042 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 07:20:01,043 INFO L432 NwaCegarLoop]: 399 mSDtfsCounter, 9 mSDsluCounter, 778 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1177 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 07:20:01,044 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1177 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 07:20:01,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 496 states. [2024-11-17 07:20:01,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 496 to 496. [2024-11-17 07:20:01,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 496 states, 486 states have (on average 1.3909465020576133) internal successors, (676), 491 states have internal predecessors, (676), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-17 07:20:01,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 496 states and 682 transitions. [2024-11-17 07:20:01,064 INFO L78 Accepts]: Start accepts. Automaton has 496 states and 682 transitions. Word has length 84 [2024-11-17 07:20:01,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:20:01,064 INFO L471 AbstractCegarLoop]: Abstraction has 496 states and 682 transitions. [2024-11-17 07:20:01,065 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:20:01,065 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 682 transitions. [2024-11-17 07:20:01,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-17 07:20:01,066 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:20:01,066 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] [2024-11-17 07:20:01,067 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-17 07:20:01,067 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:20:01,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:20:01,068 INFO L85 PathProgramCache]: Analyzing trace with hash 1856615317, now seen corresponding path program 1 times [2024-11-17 07:20:01,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:20:01,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309539823] [2024-11-17 07:20:01,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:20:01,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:20:01,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:20:01,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:20:01,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:20:01,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309539823] [2024-11-17 07:20:01,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309539823] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:20:01,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:20:01,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 07:20:01,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863995752] [2024-11-17 07:20:01,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:20:01,245 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 07:20:01,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:20:01,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 07:20:01,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 07:20:01,246 INFO L87 Difference]: Start difference. First operand 496 states and 682 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:20:01,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:20:01,398 INFO L93 Difference]: Finished difference Result 1344 states and 1863 transitions. [2024-11-17 07:20:01,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 07:20:01,399 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 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 84 [2024-11-17 07:20:01,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:20:01,402 INFO L225 Difference]: With dead ends: 1344 [2024-11-17 07:20:01,403 INFO L226 Difference]: Without dead ends: 857 [2024-11-17 07:20:01,403 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 07:20:01,405 INFO L432 NwaCegarLoop]: 413 mSDtfsCounter, 256 mSDsluCounter, 400 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 256 SdHoareTripleChecker+Valid, 813 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 07:20:01,406 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [256 Valid, 813 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 07:20:01,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 857 states. [2024-11-17 07:20:01,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 857 to 855. [2024-11-17 07:20:01,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 855 states, 845 states have (on average 1.3988165680473372) internal successors, (1182), 850 states have internal predecessors, (1182), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-17 07:20:01,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 855 states to 855 states and 1188 transitions. [2024-11-17 07:20:01,428 INFO L78 Accepts]: Start accepts. Automaton has 855 states and 1188 transitions. Word has length 84 [2024-11-17 07:20:01,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:20:01,428 INFO L471 AbstractCegarLoop]: Abstraction has 855 states and 1188 transitions. [2024-11-17 07:20:01,428 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:20:01,429 INFO L276 IsEmpty]: Start isEmpty. Operand 855 states and 1188 transitions. [2024-11-17 07:20:01,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-17 07:20:01,431 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:20:01,431 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:20:01,433 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-17 07:20:01,433 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:20:01,433 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:20:01,433 INFO L85 PathProgramCache]: Analyzing trace with hash -815753422, now seen corresponding path program 1 times [2024-11-17 07:20:01,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:20:01,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301524397] [2024-11-17 07:20:01,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:20:01,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:20:01,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:20:01,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-17 07:20:01,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:20:01,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-17 07:20:01,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:20:01,818 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 07:20:01,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:20:01,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301524397] [2024-11-17 07:20:01,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301524397] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:20:01,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:20:01,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 07:20:01,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691921853] [2024-11-17 07:20:01,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:20:01,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 07:20:01,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:20:01,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 07:20:01,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 07:20:01,823 INFO L87 Difference]: Start difference. First operand 855 states and 1188 transitions. Second operand has 5 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 07:20:02,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:20:02,194 INFO L93 Difference]: Finished difference Result 928 states and 1287 transitions. [2024-11-17 07:20:02,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 07:20:02,195 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 99 [2024-11-17 07:20:02,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:20:02,201 INFO L225 Difference]: With dead ends: 928 [2024-11-17 07:20:02,201 INFO L226 Difference]: Without dead ends: 926 [2024-11-17 07:20:02,202 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-17 07:20:02,202 INFO L432 NwaCegarLoop]: 398 mSDtfsCounter, 343 mSDsluCounter, 1135 mSDsCounter, 0 mSdLazyCounter, 249 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 345 SdHoareTripleChecker+Valid, 1533 SdHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 07:20:02,203 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [345 Valid, 1533 Invalid, 256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 249 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 07:20:02,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 926 states. [2024-11-17 07:20:02,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 926 to 920. [2024-11-17 07:20:02,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 920 states, 907 states have (on average 1.390297684674752) internal successors, (1261), 912 states have internal predecessors, (1261), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-17 07:20:02,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 920 states and 1273 transitions. [2024-11-17 07:20:02,227 INFO L78 Accepts]: Start accepts. Automaton has 920 states and 1273 transitions. Word has length 99 [2024-11-17 07:20:02,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:20:02,228 INFO L471 AbstractCegarLoop]: Abstraction has 920 states and 1273 transitions. [2024-11-17 07:20:02,229 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 07:20:02,229 INFO L276 IsEmpty]: Start isEmpty. Operand 920 states and 1273 transitions. [2024-11-17 07:20:02,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-17 07:20:02,231 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:20:02,231 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:20:02,231 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-17 07:20:02,231 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:20:02,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:20:02,232 INFO L85 PathProgramCache]: Analyzing trace with hash -1364666912, now seen corresponding path program 1 times [2024-11-17 07:20:02,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:20:02,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229627311] [2024-11-17 07:20:02,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:20:02,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:20:02,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:20:02,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-17 07:20:02,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:20:02,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-17 07:20:02,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:20:02,708 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-17 07:20:02,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:20:02,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229627311] [2024-11-17 07:20:02,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229627311] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:20:02,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1058261242] [2024-11-17 07:20:02,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:20:02,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:20:02,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:20:02,712 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 07:20:02,714 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-17 07:20:03,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:20:03,030 INFO L255 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-17 07:20:03,038 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:20:03,043 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-17 07:20:03,066 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-17 07:20:03,085 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-11-17 07:20:03,815 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 07:20:03,815 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:20:03,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1058261242] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:20:03,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:20:03,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [5] total 14 [2024-11-17 07:20:03,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202427691] [2024-11-17 07:20:03,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:20:03,816 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-17 07:20:03,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:20:03,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-17 07:20:03,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-17 07:20:03,817 INFO L87 Difference]: Start difference. First operand 920 states and 1273 transitions. Second operand has 11 states, 11 states have (on average 9.0) internal successors, (99), 11 states have internal predecessors, (99), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 07:20:05,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:20:05,057 INFO L93 Difference]: Finished difference Result 1669 states and 2312 transitions. [2024-11-17 07:20:05,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-17 07:20:05,058 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.0) internal successors, (99), 11 states have internal predecessors, (99), 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 106 [2024-11-17 07:20:05,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:20:05,063 INFO L225 Difference]: With dead ends: 1669 [2024-11-17 07:20:05,063 INFO L226 Difference]: Without dead ends: 923 [2024-11-17 07:20:05,065 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=101, Invalid=361, Unknown=0, NotChecked=0, Total=462 [2024-11-17 07:20:05,066 INFO L432 NwaCegarLoop]: 426 mSDtfsCounter, 524 mSDsluCounter, 1839 mSDsCounter, 0 mSdLazyCounter, 649 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 526 SdHoareTripleChecker+Valid, 2265 SdHoareTripleChecker+Invalid, 655 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 649 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-17 07:20:05,066 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [526 Valid, 2265 Invalid, 655 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 649 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-17 07:20:05,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 923 states. [2024-11-17 07:20:05,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 923 to 920. [2024-11-17 07:20:05,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 920 states, 907 states have (on average 1.3891951488423373) internal successors, (1260), 912 states have internal predecessors, (1260), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-17 07:20:05,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 920 states and 1272 transitions. [2024-11-17 07:20:05,097 INFO L78 Accepts]: Start accepts. Automaton has 920 states and 1272 transitions. Word has length 106 [2024-11-17 07:20:05,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:20:05,097 INFO L471 AbstractCegarLoop]: Abstraction has 920 states and 1272 transitions. [2024-11-17 07:20:05,097 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.0) internal successors, (99), 11 states have internal predecessors, (99), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 07:20:05,098 INFO L276 IsEmpty]: Start isEmpty. Operand 920 states and 1272 transitions. [2024-11-17 07:20:05,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-17 07:20:05,099 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:20:05,099 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:20:05,119 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-17 07:20:05,299 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,SelfDestructingSolverStorable7 [2024-11-17 07:20:05,300 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:20:05,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:20:05,300 INFO L85 PathProgramCache]: Analyzing trace with hash -22940581, now seen corresponding path program 1 times [2024-11-17 07:20:05,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:20:05,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068489114] [2024-11-17 07:20:05,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:20:05,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:20:05,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:20:05,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-17 07:20:05,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:20:05,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-17 07:20:05,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:20:05,660 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-17 07:20:05,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:20:05,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068489114] [2024-11-17 07:20:05,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068489114] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:20:05,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1803925554] [2024-11-17 07:20:05,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:20:05,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:20:05,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:20:05,663 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 07:20:05,665 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-17 07:20:06,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:20:06,225 INFO L255 TraceCheckSpWp]: Trace formula consists of 613 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-17 07:20:06,231 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:20:06,235 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-17 07:20:06,268 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-17 07:20:06,292 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-17 07:20:07,224 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 07:20:07,225 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:20:07,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1803925554] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:20:07,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:20:07,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [5] total 16 [2024-11-17 07:20:07,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941712209] [2024-11-17 07:20:07,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:20:07,227 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-17 07:20:07,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:20:07,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-17 07:20:07,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2024-11-17 07:20:07,229 INFO L87 Difference]: Start difference. First operand 920 states and 1272 transitions. Second operand has 13 states, 13 states have (on average 7.6923076923076925) internal successors, (100), 13 states have internal predecessors, (100), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 07:20:08,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:20:08,860 INFO L93 Difference]: Finished difference Result 1669 states and 2311 transitions. [2024-11-17 07:20:08,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-17 07:20:08,860 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 7.6923076923076925) internal successors, (100), 13 states have internal predecessors, (100), 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 107 [2024-11-17 07:20:08,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:20:08,864 INFO L225 Difference]: With dead ends: 1669 [2024-11-17 07:20:08,864 INFO L226 Difference]: Without dead ends: 928 [2024-11-17 07:20:08,865 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=142, Invalid=458, Unknown=0, NotChecked=0, Total=600 [2024-11-17 07:20:08,866 INFO L432 NwaCegarLoop]: 359 mSDtfsCounter, 787 mSDsluCounter, 1588 mSDsCounter, 0 mSdLazyCounter, 592 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 789 SdHoareTripleChecker+Valid, 1947 SdHoareTripleChecker+Invalid, 604 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 592 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-17 07:20:08,866 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [789 Valid, 1947 Invalid, 604 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 592 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-17 07:20:08,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 928 states. [2024-11-17 07:20:08,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 928 to 924. [2024-11-17 07:20:08,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 924 states, 911 states have (on average 1.3885839736553238) internal successors, (1265), 916 states have internal predecessors, (1265), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-17 07:20:08,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 924 states and 1277 transitions. [2024-11-17 07:20:08,890 INFO L78 Accepts]: Start accepts. Automaton has 924 states and 1277 transitions. Word has length 107 [2024-11-17 07:20:08,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:20:08,890 INFO L471 AbstractCegarLoop]: Abstraction has 924 states and 1277 transitions. [2024-11-17 07:20:08,891 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.6923076923076925) internal successors, (100), 13 states have internal predecessors, (100), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 07:20:08,891 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 1277 transitions. [2024-11-17 07:20:08,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-17 07:20:08,892 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:20:08,892 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:20:08,912 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-17 07:20:09,093 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:20:09,094 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:20:09,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:20:09,094 INFO L85 PathProgramCache]: Analyzing trace with hash 1353852995, now seen corresponding path program 1 times [2024-11-17 07:20:09,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:20:09,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193884479] [2024-11-17 07:20:09,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:20:09,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:20:09,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:20:09,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-17 07:20:09,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:20:09,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-17 07:20:09,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:20:09,455 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 07:20:09,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:20:09,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193884479] [2024-11-17 07:20:09,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [193884479] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:20:09,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:20:09,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-17 07:20:09,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221202221] [2024-11-17 07:20:09,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:20:09,456 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 07:20:09,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:20:09,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 07:20:09,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-17 07:20:09,458 INFO L87 Difference]: Start difference. First operand 924 states and 1277 transitions. Second operand has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 6 states have internal predecessors, (101), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 07:20:10,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:20:10,046 INFO L93 Difference]: Finished difference Result 1676 states and 2327 transitions. [2024-11-17 07:20:10,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 07:20:10,047 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 6 states have internal predecessors, (101), 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 108 [2024-11-17 07:20:10,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:20:10,051 INFO L225 Difference]: With dead ends: 1676 [2024-11-17 07:20:10,051 INFO L226 Difference]: Without dead ends: 933 [2024-11-17 07:20:10,052 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-17 07:20:10,053 INFO L432 NwaCegarLoop]: 406 mSDtfsCounter, 8 mSDsluCounter, 1710 mSDsCounter, 0 mSdLazyCounter, 543 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 2116 SdHoareTripleChecker+Invalid, 547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-17 07:20:10,054 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 2116 Invalid, 547 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 543 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-17 07:20:10,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 933 states. [2024-11-17 07:20:10,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 933 to 930. [2024-11-17 07:20:10,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 930 states, 917 states have (on average 1.386041439476554) internal successors, (1271), 922 states have internal predecessors, (1271), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-17 07:20:10,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 930 states to 930 states and 1283 transitions. [2024-11-17 07:20:10,081 INFO L78 Accepts]: Start accepts. Automaton has 930 states and 1283 transitions. Word has length 108 [2024-11-17 07:20:10,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:20:10,081 INFO L471 AbstractCegarLoop]: Abstraction has 930 states and 1283 transitions. [2024-11-17 07:20:10,081 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 6 states have internal predecessors, (101), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 07:20:10,082 INFO L276 IsEmpty]: Start isEmpty. Operand 930 states and 1283 transitions. [2024-11-17 07:20:10,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-17 07:20:10,083 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:20:10,083 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:20:10,083 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-17 07:20:10,083 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:20:10,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:20:10,084 INFO L85 PathProgramCache]: Analyzing trace with hash -1831356665, now seen corresponding path program 1 times [2024-11-17 07:20:10,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:20:10,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30717306] [2024-11-17 07:20:10,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:20:10,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:20:10,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:20:10,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-17 07:20:10,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:20:10,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-17 07:20:10,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:20:10,437 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 07:20:10,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:20:10,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30717306] [2024-11-17 07:20:10,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30717306] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:20:10,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:20:10,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-17 07:20:10,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707924139] [2024-11-17 07:20:10,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:20:10,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 07:20:10,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:20:10,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 07:20:10,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-17 07:20:10,440 INFO L87 Difference]: Start difference. First operand 930 states and 1283 transitions. Second operand has 8 states, 8 states have (on average 12.625) internal successors, (101), 7 states have internal predecessors, (101), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 07:20:11,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:20:11,062 INFO L93 Difference]: Finished difference Result 1682 states and 2331 transitions. [2024-11-17 07:20:11,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 07:20:11,063 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.625) internal successors, (101), 7 states have internal predecessors, (101), 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 108 [2024-11-17 07:20:11,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:20:11,067 INFO L225 Difference]: With dead ends: 1682 [2024-11-17 07:20:11,067 INFO L226 Difference]: Without dead ends: 943 [2024-11-17 07:20:11,069 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-17 07:20:11,069 INFO L432 NwaCegarLoop]: 396 mSDtfsCounter, 13 mSDsluCounter, 2038 mSDsCounter, 0 mSdLazyCounter, 652 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 2434 SdHoareTripleChecker+Invalid, 656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 652 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-17 07:20:11,069 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 2434 Invalid, 656 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 652 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-17 07:20:11,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 943 states. [2024-11-17 07:20:11,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 943 to 938. [2024-11-17 07:20:11,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 938 states, 925 states have (on average 1.384864864864865) internal successors, (1281), 930 states have internal predecessors, (1281), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-17 07:20:11,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 938 states and 1293 transitions. [2024-11-17 07:20:11,095 INFO L78 Accepts]: Start accepts. Automaton has 938 states and 1293 transitions. Word has length 108 [2024-11-17 07:20:11,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:20:11,096 INFO L471 AbstractCegarLoop]: Abstraction has 938 states and 1293 transitions. [2024-11-17 07:20:11,096 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.625) internal successors, (101), 7 states have internal predecessors, (101), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 07:20:11,096 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1293 transitions. [2024-11-17 07:20:11,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-17 07:20:11,097 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:20:11,097 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:20:11,098 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-17 07:20:11,098 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:20:11,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:20:11,098 INFO L85 PathProgramCache]: Analyzing trace with hash 637212265, now seen corresponding path program 1 times [2024-11-17 07:20:11,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:20:11,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381034507] [2024-11-17 07:20:11,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:20:11,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:20:11,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:20:11,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-17 07:20:11,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:20:11,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-17 07:20:11,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:20:11,508 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-17 07:20:11,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:20:11,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381034507] [2024-11-17 07:20:11,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381034507] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:20:11,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [660158529] [2024-11-17 07:20:11,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:20:11,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:20:11,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:20:11,511 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 07:20:11,513 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-17 07:20:11,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:20:11,885 INFO L255 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-17 07:20:11,893 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:20:11,905 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-17 07:20:11,965 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:20:11,965 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:20:11,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [660158529] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:20:11,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:20:11,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 8 [2024-11-17 07:20:11,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339609330] [2024-11-17 07:20:11,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:20:11,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 07:20:11,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:20:11,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 07:20:11,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-17 07:20:11,969 INFO L87 Difference]: Start difference. First operand 938 states and 1293 transitions. Second operand has 6 states, 6 states have (on average 17.5) internal successors, (105), 6 states have internal predecessors, (105), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 07:20:12,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:20:12,271 INFO L93 Difference]: Finished difference Result 1654 states and 2281 transitions. [2024-11-17 07:20:12,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 07:20:12,271 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.5) internal successors, (105), 6 states have internal predecessors, (105), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 109 [2024-11-17 07:20:12,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:20:12,275 INFO L225 Difference]: With dead ends: 1654 [2024-11-17 07:20:12,275 INFO L226 Difference]: Without dead ends: 951 [2024-11-17 07:20:12,277 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-17 07:20:12,277 INFO L432 NwaCegarLoop]: 435 mSDtfsCounter, 390 mSDsluCounter, 1687 mSDsCounter, 0 mSdLazyCounter, 287 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 394 SdHoareTripleChecker+Valid, 2122 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 07:20:12,277 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [394 Valid, 2122 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 287 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 07:20:12,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 951 states. [2024-11-17 07:20:12,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 951 to 941. [2024-11-17 07:20:12,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 941 states, 927 states have (on average 1.3851132686084142) internal successors, (1284), 933 states have internal predecessors, (1284), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2024-11-17 07:20:12,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 941 states to 941 states and 1298 transitions. [2024-11-17 07:20:12,308 INFO L78 Accepts]: Start accepts. Automaton has 941 states and 1298 transitions. Word has length 109 [2024-11-17 07:20:12,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:20:12,309 INFO L471 AbstractCegarLoop]: Abstraction has 941 states and 1298 transitions. [2024-11-17 07:20:12,309 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.5) internal successors, (105), 6 states have internal predecessors, (105), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 07:20:12,309 INFO L276 IsEmpty]: Start isEmpty. Operand 941 states and 1298 transitions. [2024-11-17 07:20:12,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-17 07:20:12,310 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:20:12,310 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:20:12,329 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-17 07:20:12,511 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:20:12,512 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:20:12,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:20:12,513 INFO L85 PathProgramCache]: Analyzing trace with hash 1770130533, now seen corresponding path program 1 times [2024-11-17 07:20:12,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:20:12,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414816955] [2024-11-17 07:20:12,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:20:12,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:20:12,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:20:12,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-17 07:20:12,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:20:13,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-17 07:20:13,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:20:13,017 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-17 07:20:13,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:20:13,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414816955] [2024-11-17 07:20:13,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414816955] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:20:13,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2067697405] [2024-11-17 07:20:13,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:20:13,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:20:13,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:20:13,019 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) [2024-11-17 07:20:13,021 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-17 07:20:13,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:20:13,449 INFO L255 TraceCheckSpWp]: Trace formula consists of 642 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-17 07:20:13,453 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:20:31,771 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-17 07:20:31,771 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:20:31,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2067697405] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:20:31,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:20:31,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2024-11-17 07:20:31,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589426235] [2024-11-17 07:20:31,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:20:31,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 07:20:31,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:20:31,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 07:20:31,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-11-17 07:20:31,777 INFO L87 Difference]: Start difference. First operand 941 states and 1298 transitions. Second operand has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 7 states have internal predecessors, (103), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 07:20:34,806 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.62s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-17 07:20:35,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:20:35,344 INFO L93 Difference]: Finished difference Result 1707 states and 2361 transitions. [2024-11-17 07:20:35,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 07:20:35,345 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 7 states have internal predecessors, (103), 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 111 [2024-11-17 07:20:35,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:20:35,349 INFO L225 Difference]: With dead ends: 1707 [2024-11-17 07:20:35,349 INFO L226 Difference]: Without dead ends: 947 [2024-11-17 07:20:35,350 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-11-17 07:20:35,351 INFO L432 NwaCegarLoop]: 397 mSDtfsCounter, 8 mSDsluCounter, 1701 mSDsCounter, 0 mSdLazyCounter, 540 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 2098 SdHoareTripleChecker+Invalid, 542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 540 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-11-17 07:20:35,351 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 2098 Invalid, 542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 540 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2024-11-17 07:20:35,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 947 states. [2024-11-17 07:20:35,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 947 to 937. [2024-11-17 07:20:35,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 937 states, 923 states have (on average 1.3835319609967498) internal successors, (1277), 929 states have internal predecessors, (1277), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2024-11-17 07:20:35,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 937 states and 1291 transitions. [2024-11-17 07:20:35,374 INFO L78 Accepts]: Start accepts. Automaton has 937 states and 1291 transitions. Word has length 111 [2024-11-17 07:20:35,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:20:35,375 INFO L471 AbstractCegarLoop]: Abstraction has 937 states and 1291 transitions. [2024-11-17 07:20:35,375 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 7 states have internal predecessors, (103), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 07:20:35,375 INFO L276 IsEmpty]: Start isEmpty. Operand 937 states and 1291 transitions. [2024-11-17 07:20:35,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-17 07:20:35,376 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:20:35,377 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:20:35,398 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-17 07:20:35,577 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,SelfDestructingSolverStorable12 [2024-11-17 07:20:35,578 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:20:35,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:20:35,578 INFO L85 PathProgramCache]: Analyzing trace with hash -196736388, now seen corresponding path program 1 times [2024-11-17 07:20:35,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:20:35,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767055448] [2024-11-17 07:20:35,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:20:35,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:20:35,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:20:35,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-17 07:20:35,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:20:36,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-17 07:20:36,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:20:36,051 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-17 07:20:36,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:20:36,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767055448] [2024-11-17 07:20:36,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767055448] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:20:36,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [954727148] [2024-11-17 07:20:36,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:20:36,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:20:36,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:20:36,054 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) [2024-11-17 07:20:36,056 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-17 07:20:36,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:20:36,475 INFO L255 TraceCheckSpWp]: Trace formula consists of 643 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-17 07:20:36,479 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:20:36,645 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-17 07:20:36,647 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:20:36,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [954727148] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:20:36,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:20:36,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [6] total 12 [2024-11-17 07:20:36,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16628387] [2024-11-17 07:20:36,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:20:36,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 07:20:36,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:20:36,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 07:20:36,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2024-11-17 07:20:36,651 INFO L87 Difference]: Start difference. First operand 937 states and 1291 transitions. Second operand has 8 states, 8 states have (on average 13.0) internal successors, (104), 8 states have internal predecessors, (104), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 07:20:37,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:20:37,082 INFO L93 Difference]: Finished difference Result 1698 states and 2343 transitions. [2024-11-17 07:20:37,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-17 07:20:37,083 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.0) internal successors, (104), 8 states have internal predecessors, (104), 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 112 [2024-11-17 07:20:37,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:20:37,087 INFO L225 Difference]: With dead ends: 1698 [2024-11-17 07:20:37,088 INFO L226 Difference]: Without dead ends: 957 [2024-11-17 07:20:37,090 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2024-11-17 07:20:37,090 INFO L432 NwaCegarLoop]: 393 mSDtfsCounter, 33 mSDsluCounter, 2060 mSDsCounter, 0 mSdLazyCounter, 603 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 2453 SdHoareTripleChecker+Invalid, 607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 603 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 07:20:37,090 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 2453 Invalid, 607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 603 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 07:20:37,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 957 states. [2024-11-17 07:20:37,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 957 to 947. [2024-11-17 07:20:37,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 947 states, 933 states have (on average 1.3815648445873527) internal successors, (1289), 939 states have internal predecessors, (1289), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2024-11-17 07:20:37,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 947 states and 1303 transitions. [2024-11-17 07:20:37,126 INFO L78 Accepts]: Start accepts. Automaton has 947 states and 1303 transitions. Word has length 112 [2024-11-17 07:20:37,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:20:37,126 INFO L471 AbstractCegarLoop]: Abstraction has 947 states and 1303 transitions. [2024-11-17 07:20:37,126 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.0) internal successors, (104), 8 states have internal predecessors, (104), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 07:20:37,126 INFO L276 IsEmpty]: Start isEmpty. Operand 947 states and 1303 transitions. [2024-11-17 07:20:37,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-17 07:20:37,128 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:20:37,128 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:20:37,150 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-17 07:20:37,329 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:20:37,329 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:20:37,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:20:37,330 INFO L85 PathProgramCache]: Analyzing trace with hash -126796538, now seen corresponding path program 1 times [2024-11-17 07:20:37,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:20:37,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662425632] [2024-11-17 07:20:37,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:20:37,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:20:37,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:20:37,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-17 07:20:37,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:20:37,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-17 07:20:37,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:20:37,715 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-17 07:20:37,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:20:37,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662425632] [2024-11-17 07:20:37,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1662425632] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:20:37,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:20:37,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-17 07:20:37,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296794331] [2024-11-17 07:20:37,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:20:37,717 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-17 07:20:37,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:20:37,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-17 07:20:37,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-17 07:20:37,718 INFO L87 Difference]: Start difference. First operand 947 states and 1303 transitions. Second operand has 10 states, 10 states have (on average 10.4) internal successors, (104), 9 states have internal predecessors, (104), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 07:20:38,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:20:38,292 INFO L93 Difference]: Finished difference Result 1713 states and 2361 transitions. [2024-11-17 07:20:38,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-17 07:20:38,293 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.4) internal successors, (104), 9 states have internal predecessors, (104), 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 112 [2024-11-17 07:20:38,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:20:38,296 INFO L225 Difference]: With dead ends: 1713 [2024-11-17 07:20:38,297 INFO L226 Difference]: Without dead ends: 967 [2024-11-17 07:20:38,298 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-17 07:20:38,298 INFO L432 NwaCegarLoop]: 405 mSDtfsCounter, 19 mSDsluCounter, 2146 mSDsCounter, 0 mSdLazyCounter, 676 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 2551 SdHoareTripleChecker+Invalid, 680 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 676 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 07:20:38,299 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 2551 Invalid, 680 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 676 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 07:20:38,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 967 states. [2024-11-17 07:20:38,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 967 to 961. [2024-11-17 07:20:38,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 961 states, 947 states have (on average 1.3801478352692713) internal successors, (1307), 953 states have internal predecessors, (1307), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2024-11-17 07:20:38,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 961 states to 961 states and 1321 transitions. [2024-11-17 07:20:38,322 INFO L78 Accepts]: Start accepts. Automaton has 961 states and 1321 transitions. Word has length 112 [2024-11-17 07:20:38,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:20:38,322 INFO L471 AbstractCegarLoop]: Abstraction has 961 states and 1321 transitions. [2024-11-17 07:20:38,323 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.4) internal successors, (104), 9 states have internal predecessors, (104), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 07:20:38,323 INFO L276 IsEmpty]: Start isEmpty. Operand 961 states and 1321 transitions. [2024-11-17 07:20:38,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-17 07:20:38,324 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:20:38,324 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:20:38,343 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-17 07:20:38,343 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:20:38,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:20:38,344 INFO L85 PathProgramCache]: Analyzing trace with hash -1268472116, now seen corresponding path program 1 times [2024-11-17 07:20:38,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:20:38,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111879089] [2024-11-17 07:20:38,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:20:38,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:20:38,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:20:38,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-17 07:20:38,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:20:38,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-17 07:20:38,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:20:38,843 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-17 07:20:38,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:20:38,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111879089] [2024-11-17 07:20:38,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111879089] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:20:38,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1277369454] [2024-11-17 07:20:38,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:20:38,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:20:38,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:20:38,846 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 07:20:38,847 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-17 07:20:39,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:20:39,313 INFO L255 TraceCheckSpWp]: Trace formula consists of 644 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-17 07:20:39,316 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:20:40,042 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-17 07:20:40,043 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:20:40,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1277369454] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:20:40,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:20:40,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2024-11-17 07:20:40,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132892596] [2024-11-17 07:20:40,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:20:40,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-17 07:20:40,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:20:40,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-17 07:20:40,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2024-11-17 07:20:40,045 INFO L87 Difference]: Start difference. First operand 961 states and 1321 transitions. Second operand has 10 states, 10 states have (on average 10.5) internal successors, (105), 10 states have internal predecessors, (105), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 07:20:41,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:20:41,029 INFO L93 Difference]: Finished difference Result 1739 states and 2399 transitions. [2024-11-17 07:20:41,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-17 07:20:41,029 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.5) internal successors, (105), 10 states have internal predecessors, (105), 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 113 [2024-11-17 07:20:41,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:20:41,033 INFO L225 Difference]: With dead ends: 1739 [2024-11-17 07:20:41,033 INFO L226 Difference]: Without dead ends: 981 [2024-11-17 07:20:41,035 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2024-11-17 07:20:41,035 INFO L432 NwaCegarLoop]: 399 mSDtfsCounter, 13 mSDsluCounter, 2777 mSDsCounter, 0 mSdLazyCounter, 917 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 3176 SdHoareTripleChecker+Invalid, 919 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 917 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-17 07:20:41,036 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 3176 Invalid, 919 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 917 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-17 07:20:41,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 981 states. [2024-11-17 07:20:41,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 981 to 975. [2024-11-17 07:20:41,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 975 states, 961 states have (on average 1.3787721123829344) internal successors, (1325), 967 states have internal predecessors, (1325), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2024-11-17 07:20:41,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 975 states to 975 states and 1339 transitions. [2024-11-17 07:20:41,058 INFO L78 Accepts]: Start accepts. Automaton has 975 states and 1339 transitions. Word has length 113 [2024-11-17 07:20:41,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:20:41,059 INFO L471 AbstractCegarLoop]: Abstraction has 975 states and 1339 transitions. [2024-11-17 07:20:41,059 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.5) internal successors, (105), 10 states have internal predecessors, (105), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 07:20:41,059 INFO L276 IsEmpty]: Start isEmpty. Operand 975 states and 1339 transitions. [2024-11-17 07:20:41,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-17 07:20:41,061 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:20:41,061 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:20:41,082 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-17 07:20:41,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:20:41,262 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:20:41,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:20:41,262 INFO L85 PathProgramCache]: Analyzing trace with hash 95070252, now seen corresponding path program 1 times [2024-11-17 07:20:41,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:20:41,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640195899] [2024-11-17 07:20:41,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:20:41,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:20:41,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:20:41,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-17 07:20:41,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:20:41,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-17 07:20:41,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:20:41,656 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-17 07:20:41,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:20:41,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640195899] [2024-11-17 07:20:41,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640195899] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:20:41,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1752714980] [2024-11-17 07:20:41,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:20:41,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:20:41,657 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:20:41,659 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 07:20:41,682 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-17 07:20:42,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:20:42,117 INFO L255 TraceCheckSpWp]: Trace formula consists of 644 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-17 07:20:42,120 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:20:42,220 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-17 07:20:42,220 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:20:42,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1752714980] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:20:42,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:20:42,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2024-11-17 07:20:42,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452152122] [2024-11-17 07:20:42,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:20:42,221 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 07:20:42,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:20:42,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 07:20:42,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-11-17 07:20:42,222 INFO L87 Difference]: Start difference. First operand 975 states and 1339 transitions. Second operand has 7 states, 7 states have (on average 15.0) internal successors, (105), 7 states have internal predecessors, (105), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 07:20:42,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:20:42,607 INFO L93 Difference]: Finished difference Result 1745 states and 2403 transitions. [2024-11-17 07:20:42,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 07:20:42,608 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.0) internal successors, (105), 7 states have internal predecessors, (105), 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 113 [2024-11-17 07:20:42,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:20:42,612 INFO L225 Difference]: With dead ends: 1745 [2024-11-17 07:20:42,612 INFO L226 Difference]: Without dead ends: 985 [2024-11-17 07:20:42,613 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-17 07:20:42,614 INFO L432 NwaCegarLoop]: 391 mSDtfsCounter, 32 mSDsluCounter, 1717 mSDsCounter, 0 mSdLazyCounter, 498 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 2108 SdHoareTripleChecker+Invalid, 502 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 498 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 07:20:42,614 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 2108 Invalid, 502 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 498 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 07:20:42,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 985 states. [2024-11-17 07:20:42,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 985 to 979. [2024-11-17 07:20:42,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 979 states, 965 states have (on average 1.37720207253886) internal successors, (1329), 971 states have internal predecessors, (1329), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2024-11-17 07:20:42,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 979 states to 979 states and 1343 transitions. [2024-11-17 07:20:42,636 INFO L78 Accepts]: Start accepts. Automaton has 979 states and 1343 transitions. Word has length 113 [2024-11-17 07:20:42,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:20:42,636 INFO L471 AbstractCegarLoop]: Abstraction has 979 states and 1343 transitions. [2024-11-17 07:20:42,636 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.0) internal successors, (105), 7 states have internal predecessors, (105), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 07:20:42,636 INFO L276 IsEmpty]: Start isEmpty. Operand 979 states and 1343 transitions. [2024-11-17 07:20:42,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-17 07:20:42,639 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:20:42,639 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:20:42,660 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-17 07:20:42,840 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-17 07:20:42,840 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:20:42,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:20:42,841 INFO L85 PathProgramCache]: Analyzing trace with hash -1014687384, now seen corresponding path program 1 times [2024-11-17 07:20:42,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:20:42,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047863329] [2024-11-17 07:20:42,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:20:42,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:20:42,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:20:43,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-17 07:20:43,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:20:43,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-17 07:20:43,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:20:43,226 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-17 07:20:43,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:20:43,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047863329] [2024-11-17 07:20:43,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047863329] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:20:43,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1174469963] [2024-11-17 07:20:43,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:20:43,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:20:43,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:20:43,229 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 07:20:43,230 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-17 07:20:43,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:20:43,751 INFO L255 TraceCheckSpWp]: Trace formula consists of 644 conjuncts, 122 conjuncts are in the unsatisfiable core [2024-11-17 07:20:43,760 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:20:43,763 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-17 07:20:43,780 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-17 07:20:43,808 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-17 07:20:43,842 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-11-17 07:20:44,098 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-11-17 07:20:44,191 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 19 treesize of output 1 [2024-11-17 07:20:44,195 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-17 07:20:44,222 INFO L349 Elim1Store]: treesize reduction 30, result has 34.8 percent of original size [2024-11-17 07:20:44,222 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 33 [2024-11-17 07:20:44,290 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2024-11-17 07:20:44,294 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2024-11-17 07:20:44,443 INFO L349 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2024-11-17 07:20:44,443 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 57 [2024-11-17 07:20:44,448 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 13