./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test5-1.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_SAX_test5-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1a17e1f9edfd37607fb472869452b377d4af1281c9808dec0371b4f943952037 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 07:27:08,008 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 07:27:08,071 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-17 07:27:08,086 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 07:27:08,088 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 07:27:08,110 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 07:27:08,110 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 07:27:08,111 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 07:27:08,111 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 07:27:08,111 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 07:27:08,112 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 07:27:08,112 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 07:27:08,112 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 07:27:08,113 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 07:27:08,113 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 07:27:08,113 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 07:27:08,113 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 07:27:08,114 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 07:27:08,114 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 07:27:08,114 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 07:27:08,114 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 07:27:08,115 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 07:27:08,115 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 07:27:08,115 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 07:27:08,116 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 07:27:08,116 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 07:27:08,116 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 07:27:08,116 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 07:27:08,117 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 07:27:08,117 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 07:27:08,117 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 07:27:08,117 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 07:27:08,117 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 07:27:08,118 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 07:27:08,118 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 07:27:08,118 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 07:27:08,118 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 07:27:08,118 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 07:27:08,118 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 07:27:08,119 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 07:27:08,119 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 07:27:08,119 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 07:27:08,119 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 07:27:08,119 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 07:27:08,120 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1a17e1f9edfd37607fb472869452b377d4af1281c9808dec0371b4f943952037 [2024-11-17 07:27:08,293 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 07:27:08,333 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 07:27:08,340 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 07:27:08,341 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 07:27:08,341 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 07:27:08,342 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test5-1.i [2024-11-17 07:27:09,651 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 07:27:09,913 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 07:27:09,913 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test5-1.i [2024-11-17 07:27:09,937 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e035adedd/4b6d1283f76f48d7b270d47d1288475c/FLAG97398e523 [2024-11-17 07:27:09,948 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e035adedd/4b6d1283f76f48d7b270d47d1288475c [2024-11-17 07:27:09,950 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 07:27:09,951 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 07:27:09,952 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 07:27:09,952 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 07:27:09,956 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 07:27:09,957 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 07:27:09" (1/1) ... [2024-11-17 07:27:09,958 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b681a4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:27:09, skipping insertion in model container [2024-11-17 07:27:09,958 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 07:27:09" (1/1) ... [2024-11-17 07:27:10,008 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 07:27:10,497 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 07:27:10,508 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 07:27:10,593 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 07:27:10,626 INFO L204 MainTranslator]: Completed translation [2024-11-17 07:27:10,626 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:27:10 WrapperNode [2024-11-17 07:27:10,627 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 07:27:10,627 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 07:27:10,628 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 07:27:10,628 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 07:27:10,633 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:27:10" (1/1) ... [2024-11-17 07:27:10,657 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:27:10" (1/1) ... [2024-11-17 07:27:10,718 INFO L138 Inliner]: procedures = 177, calls = 375, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2000 [2024-11-17 07:27:10,718 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 07:27:10,719 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 07:27:10,719 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 07:27:10,719 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 07:27:10,727 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:27:10" (1/1) ... [2024-11-17 07:27:10,728 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:27:10" (1/1) ... [2024-11-17 07:27:10,739 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:27:10" (1/1) ... [2024-11-17 07:27:10,828 INFO L175 MemorySlicer]: Split 349 memory accesses to 3 slices as follows [2, 323, 24]. 93 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 83 writes are split as follows [0, 82, 1]. [2024-11-17 07:27:10,828 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:27:10" (1/1) ... [2024-11-17 07:27:10,829 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:27:10" (1/1) ... [2024-11-17 07:27:10,866 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:27:10" (1/1) ... [2024-11-17 07:27:10,868 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:27:10" (1/1) ... [2024-11-17 07:27:10,875 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:27:10" (1/1) ... [2024-11-17 07:27:10,882 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:27:10" (1/1) ... [2024-11-17 07:27:10,895 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 07:27:10,896 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 07:27:10,896 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 07:27:10,896 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 07:27:10,897 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:27:10" (1/1) ... [2024-11-17 07:27:10,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 07:27:10,912 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:27:10,931 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 07:27:10,936 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 07:27:11,002 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-17 07:27:11,004 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-17 07:27:11,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-17 07:27:11,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-17 07:27:11,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-17 07:27:11,004 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-17 07:27:11,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-17 07:27:11,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-17 07:27:11,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-17 07:27:11,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-17 07:27:11,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-17 07:27:11,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-17 07:27:11,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-17 07:27:11,007 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-17 07:27:11,007 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-17 07:27:11,007 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-17 07:27:11,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-17 07:27:11,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 07:27:11,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-17 07:27:11,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-17 07:27:11,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-17 07:27:11,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-17 07:27:11,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-17 07:27:11,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-17 07:27:11,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-17 07:27:11,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-17 07:27:11,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 07:27:11,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-17 07:27:11,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-17 07:27:11,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 07:27:11,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 07:27:11,245 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 07:27:11,247 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 07:27:12,570 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L734: call ULTIMATE.dealloc(main_~#j~0#1.base, main_~#j~0#1.offset);havoc main_~#j~0#1.base, main_~#j~0#1.offset; [2024-11-17 07:27:12,708 INFO L? ?]: Removed 492 outVars from TransFormulas that were not future-live. [2024-11-17 07:27:12,709 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 07:27:12,782 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 07:27:12,786 INFO L336 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-17 07:27:12,787 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 07:27:12 BoogieIcfgContainer [2024-11-17 07:27:12,787 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 07:27:12,788 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 07:27:12,790 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 07:27:12,793 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 07:27:12,794 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 07:27:09" (1/3) ... [2024-11-17 07:27:12,794 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78aa78b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 07:27:12, skipping insertion in model container [2024-11-17 07:27:12,795 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:27:10" (2/3) ... [2024-11-17 07:27:12,796 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78aa78b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 07:27:12, skipping insertion in model container [2024-11-17 07:27:12,796 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 07:27:12" (3/3) ... [2024-11-17 07:27:12,797 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test5-1.i [2024-11-17 07:27:12,810 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 07:27:12,810 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2024-11-17 07:27:12,906 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 07:27:12,915 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;@a8fc268, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 07:27:12,919 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-11-17 07:27:12,924 INFO L276 IsEmpty]: Start isEmpty. Operand has 602 states, 575 states have (on average 1.6156521739130434) internal successors, (929), 592 states have internal predecessors, (929), 13 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-17 07:27:12,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-17 07:27:12,932 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:27:12,932 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:27:12,933 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 07:27:12,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:27:12,937 INFO L85 PathProgramCache]: Analyzing trace with hash 1082078118, now seen corresponding path program 1 times [2024-11-17 07:27:12,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:27:12,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006908017] [2024-11-17 07:27:12,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:12,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:27:13,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:13,062 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 07:27:13,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:27:13,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006908017] [2024-11-17 07:27:13,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1006908017] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:27:13,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:27:13,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 07:27:13,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856989301] [2024-11-17 07:27:13,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:27:13,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-17 07:27:13,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:27:13,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-17 07:27:13,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 07:27:13,090 INFO L87 Difference]: Start difference. First operand has 602 states, 575 states have (on average 1.6156521739130434) internal successors, (929), 592 states have internal predecessors, (929), 13 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:27:13,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:27:13,236 INFO L93 Difference]: Finished difference Result 1198 states and 1912 transitions. [2024-11-17 07:27:13,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 07:27:13,240 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-17 07:27:13,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:27:13,250 INFO L225 Difference]: With dead ends: 1198 [2024-11-17 07:27:13,250 INFO L226 Difference]: Without dead ends: 591 [2024-11-17 07:27:13,255 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 07:27:13,258 INFO L432 NwaCegarLoop]: 795 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 795 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 07:27:13,259 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 795 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 07:27:13,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 591 states. [2024-11-17 07:27:13,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 591 to 591. [2024-11-17 07:27:13,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 591 states, 570 states have (on average 1.4526315789473685) internal successors, (828), 582 states have internal predecessors, (828), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-17 07:27:13,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 850 transitions. [2024-11-17 07:27:13,313 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 850 transitions. Word has length 7 [2024-11-17 07:27:13,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:27:13,313 INFO L471 AbstractCegarLoop]: Abstraction has 591 states and 850 transitions. [2024-11-17 07:27:13,313 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:27:13,314 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 850 transitions. [2024-11-17 07:27:13,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-17 07:27:13,314 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:27:13,314 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:27:13,314 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 07:27:13,315 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 07:27:13,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:27:13,315 INFO L85 PathProgramCache]: Analyzing trace with hash -815285924, now seen corresponding path program 1 times [2024-11-17 07:27:13,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:27:13,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328109231] [2024-11-17 07:27:13,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:13,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:27:13,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 07:27:13,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [518289768] [2024-11-17 07:27:13,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:13,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:27:13,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:27:13,341 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 07:27:13,343 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 07:27:13,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:13,493 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 07:27:13,497 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:27:13,513 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 07:27:13,514 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:27:13,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:27:13,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328109231] [2024-11-17 07:27:13,515 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 07:27:13,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [518289768] [2024-11-17 07:27:13,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [518289768] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:27:13,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:27:13,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 07:27:13,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276437203] [2024-11-17 07:27:13,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:27:13,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 07:27:13,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:27:13,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 07:27:13,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 07:27:13,518 INFO L87 Difference]: Start difference. First operand 591 states and 850 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 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 07:27:13,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:27:13,734 INFO L93 Difference]: Finished difference Result 1350 states and 1956 transitions. [2024-11-17 07:27:13,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 07:27:13,735 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 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 07:27:13,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:27:13,741 INFO L225 Difference]: With dead ends: 1350 [2024-11-17 07:27:13,742 INFO L226 Difference]: Without dead ends: 1162 [2024-11-17 07:27:13,744 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 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 07:27:13,745 INFO L432 NwaCegarLoop]: 823 mSDtfsCounter, 801 mSDsluCounter, 767 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 812 SdHoareTripleChecker+Valid, 1590 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 07:27:13,745 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [812 Valid, 1590 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 07:27:13,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1162 states. [2024-11-17 07:27:13,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1162 to 773. [2024-11-17 07:27:13,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 773 states, 747 states have (on average 1.4551539491298529) internal successors, (1087), 764 states have internal predecessors, (1087), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-17 07:27:13,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 773 states and 1119 transitions. [2024-11-17 07:27:13,776 INFO L78 Accepts]: Start accepts. Automaton has 773 states and 1119 transitions. Word has length 8 [2024-11-17 07:27:13,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:27:13,777 INFO L471 AbstractCegarLoop]: Abstraction has 773 states and 1119 transitions. [2024-11-17 07:27:13,777 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 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 07:27:13,777 INFO L276 IsEmpty]: Start isEmpty. Operand 773 states and 1119 transitions. [2024-11-17 07:27:13,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-17 07:27:13,781 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:27:13,782 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:27:13,804 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-17 07:27:13,982 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:27:13,983 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 07:27:13,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:27:13,984 INFO L85 PathProgramCache]: Analyzing trace with hash 854486774, now seen corresponding path program 1 times [2024-11-17 07:27:13,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:27:13,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820696265] [2024-11-17 07:27:13,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:13,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:27:14,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:14,424 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 07:27:14,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:27:14,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820696265] [2024-11-17 07:27:14,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820696265] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:27:14,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:27:14,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 07:27:14,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832634697] [2024-11-17 07:27:14,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:27:14,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 07:27:14,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:27:14,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 07:27:14,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 07:27:14,427 INFO L87 Difference]: Start difference. First operand 773 states and 1119 transitions. Second operand has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 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 07:27:14,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:27:14,591 INFO L93 Difference]: Finished difference Result 1558 states and 2260 transitions. [2024-11-17 07:27:14,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 07:27:14,592 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 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 155 [2024-11-17 07:27:14,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:27:14,595 INFO L225 Difference]: With dead ends: 1558 [2024-11-17 07:27:14,595 INFO L226 Difference]: Without dead ends: 793 [2024-11-17 07:27:14,596 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 07:27:14,597 INFO L432 NwaCegarLoop]: 767 mSDtfsCounter, 8 mSDsluCounter, 752 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 1519 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 07:27:14,597 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 1519 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 07:27:14,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 793 states. [2024-11-17 07:27:14,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 793 to 793. [2024-11-17 07:27:14,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 793 states, 767 states have (on average 1.4432855280312908) internal successors, (1107), 784 states have internal predecessors, (1107), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-17 07:27:14,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 793 states and 1139 transitions. [2024-11-17 07:27:14,611 INFO L78 Accepts]: Start accepts. Automaton has 793 states and 1139 transitions. Word has length 155 [2024-11-17 07:27:14,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:27:14,612 INFO L471 AbstractCegarLoop]: Abstraction has 793 states and 1139 transitions. [2024-11-17 07:27:14,612 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 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 07:27:14,612 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 1139 transitions. [2024-11-17 07:27:14,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-17 07:27:14,614 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:27:14,614 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:27:14,614 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-17 07:27:14,615 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 07:27:14,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:27:14,615 INFO L85 PathProgramCache]: Analyzing trace with hash 710077079, now seen corresponding path program 1 times [2024-11-17 07:27:14,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:27:14,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601998352] [2024-11-17 07:27:14,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:14,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:27:14,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:14,891 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 07:27:14,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:27:14,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601998352] [2024-11-17 07:27:14,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601998352] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:27:14,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:27:14,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 07:27:14,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066943046] [2024-11-17 07:27:14,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:27:14,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 07:27:14,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:27:14,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 07:27:14,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 07:27:14,894 INFO L87 Difference]: Start difference. First operand 793 states and 1139 transitions. Second operand has 4 states, 4 states have (on average 38.75) internal successors, (155), 4 states have internal predecessors, (155), 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 07:27:15,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:27:15,066 INFO L93 Difference]: Finished difference Result 1564 states and 2256 transitions. [2024-11-17 07:27:15,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 07:27:15,068 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 38.75) internal successors, (155), 4 states have internal predecessors, (155), 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 155 [2024-11-17 07:27:15,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:27:15,070 INFO L225 Difference]: With dead ends: 1564 [2024-11-17 07:27:15,071 INFO L226 Difference]: Without dead ends: 779 [2024-11-17 07:27:15,073 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 07:27:15,073 INFO L432 NwaCegarLoop]: 759 mSDtfsCounter, 105 mSDsluCounter, 1433 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 2192 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 07:27:15,074 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 2192 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 07:27:15,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 779 states. [2024-11-17 07:27:15,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 779 to 779. [2024-11-17 07:27:15,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 779 states, 753 states have (on average 1.4422310756972112) internal successors, (1086), 770 states have internal predecessors, (1086), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-17 07:27:15,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 779 states and 1118 transitions. [2024-11-17 07:27:15,089 INFO L78 Accepts]: Start accepts. Automaton has 779 states and 1118 transitions. Word has length 155 [2024-11-17 07:27:15,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:27:15,093 INFO L471 AbstractCegarLoop]: Abstraction has 779 states and 1118 transitions. [2024-11-17 07:27:15,094 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.75) internal successors, (155), 4 states have internal predecessors, (155), 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 07:27:15,094 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 1118 transitions. [2024-11-17 07:27:15,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-17 07:27:15,095 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:27:15,096 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:27:15,096 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-17 07:27:15,096 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 07:27:15,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:27:15,096 INFO L85 PathProgramCache]: Analyzing trace with hash 1584752368, now seen corresponding path program 1 times [2024-11-17 07:27:15,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:27:15,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362936311] [2024-11-17 07:27:15,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:15,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:27:15,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:15,229 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 07:27:15,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:27:15,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362936311] [2024-11-17 07:27:15,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362936311] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:27:15,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:27:15,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 07:27:15,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507413759] [2024-11-17 07:27:15,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:27:15,230 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 07:27:15,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:27:15,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 07:27:15,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 07:27:15,231 INFO L87 Difference]: Start difference. First operand 779 states and 1118 transitions. Second operand has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 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 07:27:15,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:27:15,358 INFO L93 Difference]: Finished difference Result 1685 states and 2423 transitions. [2024-11-17 07:27:15,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 07:27:15,359 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 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 155 [2024-11-17 07:27:15,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:27:15,362 INFO L225 Difference]: With dead ends: 1685 [2024-11-17 07:27:15,362 INFO L226 Difference]: Without dead ends: 914 [2024-11-17 07:27:15,363 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 07:27:15,364 INFO L432 NwaCegarLoop]: 779 mSDtfsCounter, 134 mSDsluCounter, 772 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 1551 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 07:27:15,364 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 1551 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 07:27:15,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 914 states. [2024-11-17 07:27:15,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 914 to 914. [2024-11-17 07:27:15,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 914 states, 888 states have (on average 1.4414414414414414) internal successors, (1280), 905 states have internal predecessors, (1280), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-17 07:27:15,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 914 states to 914 states and 1312 transitions. [2024-11-17 07:27:15,377 INFO L78 Accepts]: Start accepts. Automaton has 914 states and 1312 transitions. Word has length 155 [2024-11-17 07:27:15,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:27:15,377 INFO L471 AbstractCegarLoop]: Abstraction has 914 states and 1312 transitions. [2024-11-17 07:27:15,378 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 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 07:27:15,378 INFO L276 IsEmpty]: Start isEmpty. Operand 914 states and 1312 transitions. [2024-11-17 07:27:15,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-17 07:27:15,379 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:27:15,379 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:27:15,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-17 07:27:15,380 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 07:27:15,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:27:15,380 INFO L85 PathProgramCache]: Analyzing trace with hash 1011621184, now seen corresponding path program 1 times [2024-11-17 07:27:15,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:27:15,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781401626] [2024-11-17 07:27:15,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:15,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:27:15,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:15,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-17 07:27:15,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:15,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-17 07:27:15,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:15,631 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 07:27:15,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:27:15,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781401626] [2024-11-17 07:27:15,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1781401626] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:27:15,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:27:15,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 07:27:15,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724187660] [2024-11-17 07:27:15,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:27:15,632 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 07:27:15,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:27:15,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 07:27:15,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 07:27:15,633 INFO L87 Difference]: Start difference. First operand 914 states and 1312 transitions. Second operand has 5 states, 5 states have (on average 32.6) internal successors, (163), 4 states have internal predecessors, (163), 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 07:27:16,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:27:16,627 INFO L93 Difference]: Finished difference Result 1646 states and 2365 transitions. [2024-11-17 07:27:16,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 07:27:16,628 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 32.6) internal successors, (163), 4 states have internal predecessors, (163), 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 170 [2024-11-17 07:27:16,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:27:16,631 INFO L225 Difference]: With dead ends: 1646 [2024-11-17 07:27:16,631 INFO L226 Difference]: Without dead ends: 875 [2024-11-17 07:27:16,633 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 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 07:27:16,636 INFO L432 NwaCegarLoop]: 683 mSDtfsCounter, 36 mSDsluCounter, 1910 mSDsCounter, 0 mSdLazyCounter, 404 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 2593 SdHoareTripleChecker+Invalid, 435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-17 07:27:16,637 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 2593 Invalid, 435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 404 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-17 07:27:16,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 875 states. [2024-11-17 07:27:16,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 875 to 872. [2024-11-17 07:27:16,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 872 states, 846 states have (on average 1.4219858156028369) internal successors, (1203), 863 states have internal predecessors, (1203), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-17 07:27:16,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 872 states to 872 states and 1235 transitions. [2024-11-17 07:27:16,654 INFO L78 Accepts]: Start accepts. Automaton has 872 states and 1235 transitions. Word has length 170 [2024-11-17 07:27:16,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:27:16,655 INFO L471 AbstractCegarLoop]: Abstraction has 872 states and 1235 transitions. [2024-11-17 07:27:16,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.6) internal successors, (163), 4 states have internal predecessors, (163), 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 07:27:16,655 INFO L276 IsEmpty]: Start isEmpty. Operand 872 states and 1235 transitions. [2024-11-17 07:27:16,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-17 07:27:16,656 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:27:16,657 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:27:16,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-17 07:27:16,657 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 07:27:16,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:27:16,657 INFO L85 PathProgramCache]: Analyzing trace with hash -475234502, now seen corresponding path program 1 times [2024-11-17 07:27:16,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:27:16,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304263796] [2024-11-17 07:27:16,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:16,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:27:16,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:16,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-17 07:27:16,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:16,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-17 07:27:16,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:16,948 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 07:27:16,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:27:16,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304263796] [2024-11-17 07:27:16,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [304263796] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:27:16,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:27:16,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 07:27:16,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993027222] [2024-11-17 07:27:16,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:27:16,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 07:27:16,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:27:16,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 07:27:16,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 07:27:16,950 INFO L87 Difference]: Start difference. First operand 872 states and 1235 transitions. Second operand has 4 states, 4 states have (on average 40.75) internal successors, (163), 3 states have internal predecessors, (163), 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 07:27:17,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:27:17,683 INFO L93 Difference]: Finished difference Result 1933 states and 2750 transitions. [2024-11-17 07:27:17,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 07:27:17,684 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 40.75) internal successors, (163), 3 states have internal predecessors, (163), 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 170 [2024-11-17 07:27:17,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:27:17,692 INFO L225 Difference]: With dead ends: 1933 [2024-11-17 07:27:17,692 INFO L226 Difference]: Without dead ends: 1204 [2024-11-17 07:27:17,693 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 07:27:17,697 INFO L432 NwaCegarLoop]: 883 mSDtfsCounter, 475 mSDsluCounter, 1456 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 482 SdHoareTripleChecker+Valid, 2339 SdHoareTripleChecker+Invalid, 345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-17 07:27:17,698 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [482 Valid, 2339 Invalid, 345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-17 07:27:17,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1204 states. [2024-11-17 07:27:17,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1204 to 1196. [2024-11-17 07:27:17,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1196 states, 1157 states have (on average 1.421780466724287) internal successors, (1645), 1184 states have internal predecessors, (1645), 29 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 13 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-17 07:27:17,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1196 states to 1196 states and 1703 transitions. [2024-11-17 07:27:17,742 INFO L78 Accepts]: Start accepts. Automaton has 1196 states and 1703 transitions. Word has length 170 [2024-11-17 07:27:17,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:27:17,742 INFO L471 AbstractCegarLoop]: Abstraction has 1196 states and 1703 transitions. [2024-11-17 07:27:17,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 40.75) internal successors, (163), 3 states have internal predecessors, (163), 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 07:27:17,742 INFO L276 IsEmpty]: Start isEmpty. Operand 1196 states and 1703 transitions. [2024-11-17 07:27:17,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-11-17 07:27:17,743 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:27:17,744 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:27:17,744 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-17 07:27:17,744 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 07:27:17,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:27:17,744 INFO L85 PathProgramCache]: Analyzing trace with hash 1996650356, now seen corresponding path program 1 times [2024-11-17 07:27:17,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:27:17,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781512013] [2024-11-17 07:27:17,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:17,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:27:17,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:18,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-17 07:27:18,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:18,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-17 07:27:18,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:18,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-17 07:27:18,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:18,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-17 07:27:18,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:18,061 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 07:27:18,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:27:18,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781512013] [2024-11-17 07:27:18,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781512013] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:27:18,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:27:18,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 07:27:18,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500277367] [2024-11-17 07:27:18,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:27:18,063 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 07:27:18,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:27:18,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 07:27:18,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 07:27:18,064 INFO L87 Difference]: Start difference. First operand 1196 states and 1703 transitions. Second operand has 5 states, 4 states have (on average 42.0) internal successors, (168), 4 states have internal predecessors, (168), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 07:27:19,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:27:19,384 INFO L93 Difference]: Finished difference Result 1271 states and 1808 transitions. [2024-11-17 07:27:19,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 07:27:19,384 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 42.0) internal successors, (168), 4 states have internal predecessors, (168), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 185 [2024-11-17 07:27:19,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:27:19,388 INFO L225 Difference]: With dead ends: 1271 [2024-11-17 07:27:19,389 INFO L226 Difference]: Without dead ends: 1269 [2024-11-17 07:27:19,389 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 07:27:19,389 INFO L432 NwaCegarLoop]: 727 mSDtfsCounter, 557 mSDsluCounter, 1995 mSDsCounter, 0 mSdLazyCounter, 433 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 566 SdHoareTripleChecker+Valid, 2722 SdHoareTripleChecker+Invalid, 453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 433 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-17 07:27:19,390 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [566 Valid, 2722 Invalid, 453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 433 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-17 07:27:19,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1269 states. [2024-11-17 07:27:19,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1269 to 1261. [2024-11-17 07:27:19,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1261 states, 1219 states have (on average 1.4142739950779328) internal successors, (1724), 1246 states have internal predecessors, (1724), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-17 07:27:19,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1261 states to 1261 states and 1788 transitions. [2024-11-17 07:27:19,410 INFO L78 Accepts]: Start accepts. Automaton has 1261 states and 1788 transitions. Word has length 185 [2024-11-17 07:27:19,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:27:19,410 INFO L471 AbstractCegarLoop]: Abstraction has 1261 states and 1788 transitions. [2024-11-17 07:27:19,410 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 42.0) internal successors, (168), 4 states have internal predecessors, (168), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 07:27:19,410 INFO L276 IsEmpty]: Start isEmpty. Operand 1261 states and 1788 transitions. [2024-11-17 07:27:19,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-17 07:27:19,412 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:27:19,412 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:27:19,412 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-17 07:27:19,412 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 07:27:19,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:27:19,413 INFO L85 PathProgramCache]: Analyzing trace with hash 796338254, now seen corresponding path program 1 times [2024-11-17 07:27:19,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:27:19,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310542822] [2024-11-17 07:27:19,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:19,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:27:20,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:20,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-17 07:27:20,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:20,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-17 07:27:20,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:20,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-17 07:27:20,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:20,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-17 07:27:20,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:20,690 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-17 07:27:20,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:27:20,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310542822] [2024-11-17 07:27:20,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310542822] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:27:20,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [74417873] [2024-11-17 07:27:20,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:20,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:27:20,691 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:27:20,693 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 07:27:20,698 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 07:27:21,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:21,125 INFO L255 TraceCheckSpWp]: Trace formula consists of 1055 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-17 07:27:21,134 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:27:21,193 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 07:27:21,239 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 21 treesize of output 20 [2024-11-17 07:27:21,861 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 07:27:21,861 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 86 treesize of output 58 [2024-11-17 07:27:22,070 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 07:27:22,070 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:27:22,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [74417873] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:27:22,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:27:22,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [5] total 15 [2024-11-17 07:27:22,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659319999] [2024-11-17 07:27:22,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:27:22,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-17 07:27:22,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:27:22,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-17 07:27:22,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2024-11-17 07:27:22,075 INFO L87 Difference]: Start difference. First operand 1261 states and 1788 transitions. Second operand has 12 states, 12 states have (on average 14.666666666666666) internal successors, (176), 12 states have internal predecessors, (176), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 07:27:24,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:27:24,988 INFO L93 Difference]: Finished difference Result 2468 states and 3493 transitions. [2024-11-17 07:27:24,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-17 07:27:24,988 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 14.666666666666666) internal successors, (176), 12 states have internal predecessors, (176), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 193 [2024-11-17 07:27:24,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:27:24,998 INFO L225 Difference]: With dead ends: 2468 [2024-11-17 07:27:24,998 INFO L226 Difference]: Without dead ends: 1303 [2024-11-17 07:27:25,003 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=103, Invalid=403, Unknown=0, NotChecked=0, Total=506 [2024-11-17 07:27:25,006 INFO L432 NwaCegarLoop]: 684 mSDtfsCounter, 986 mSDsluCounter, 4494 mSDsCounter, 0 mSdLazyCounter, 1722 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 996 SdHoareTripleChecker+Valid, 5178 SdHoareTripleChecker+Invalid, 1732 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1722 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-17 07:27:25,008 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [996 Valid, 5178 Invalid, 1732 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1722 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-17 07:27:25,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1303 states. [2024-11-17 07:27:25,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1303 to 1294. [2024-11-17 07:27:25,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1294 states, 1252 states have (on average 1.4073482428115016) internal successors, (1762), 1279 states have internal predecessors, (1762), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-17 07:27:25,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1294 states to 1294 states and 1826 transitions. [2024-11-17 07:27:25,051 INFO L78 Accepts]: Start accepts. Automaton has 1294 states and 1826 transitions. Word has length 193 [2024-11-17 07:27:25,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:27:25,051 INFO L471 AbstractCegarLoop]: Abstraction has 1294 states and 1826 transitions. [2024-11-17 07:27:25,051 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 14.666666666666666) internal successors, (176), 12 states have internal predecessors, (176), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 07:27:25,052 INFO L276 IsEmpty]: Start isEmpty. Operand 1294 states and 1826 transitions. [2024-11-17 07:27:25,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-17 07:27:25,053 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:27:25,053 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:27:25,074 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-17 07:27:25,257 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,SelfDestructingSolverStorable8 [2024-11-17 07:27:25,258 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 07:27:25,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:27:25,259 INFO L85 PathProgramCache]: Analyzing trace with hash 733992668, now seen corresponding path program 1 times [2024-11-17 07:27:25,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:27:25,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656201954] [2024-11-17 07:27:25,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:25,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:27:25,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:26,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-17 07:27:26,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:26,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-17 07:27:26,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:26,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-17 07:27:26,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:26,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-17 07:27:26,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:26,190 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-17 07:27:26,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:27:26,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656201954] [2024-11-17 07:27:26,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656201954] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:27:26,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1637141646] [2024-11-17 07:27:26,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:26,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:27:26,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:27:26,192 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 07:27:26,200 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 07:27:26,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:26,692 INFO L255 TraceCheckSpWp]: Trace formula consists of 1056 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-17 07:27:26,698 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:27:26,784 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 07:27:26,785 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:27:26,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1637141646] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:27:26,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:27:26,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2024-11-17 07:27:26,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072049694] [2024-11-17 07:27:26,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:27:26,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 07:27:26,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:27:26,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 07:27:26,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-17 07:27:26,789 INFO L87 Difference]: Start difference. First operand 1294 states and 1826 transitions. Second operand has 4 states, 4 states have (on average 44.25) internal successors, (177), 4 states have internal predecessors, (177), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 07:27:27,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:27:27,302 INFO L93 Difference]: Finished difference Result 2510 states and 3550 transitions. [2024-11-17 07:27:27,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 07:27:27,302 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 44.25) internal successors, (177), 4 states have internal predecessors, (177), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 194 [2024-11-17 07:27:27,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:27:27,307 INFO L225 Difference]: With dead ends: 2510 [2024-11-17 07:27:27,307 INFO L226 Difference]: Without dead ends: 1345 [2024-11-17 07:27:27,309 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-17 07:27:27,309 INFO L432 NwaCegarLoop]: 698 mSDtfsCounter, 17 mSDsluCounter, 1230 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 1928 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 07:27:27,310 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 1928 Invalid, 353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 353 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 07:27:27,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1345 states. [2024-11-17 07:27:27,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1345 to 1329. [2024-11-17 07:27:27,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1329 states, 1287 states have (on average 1.400932400932401) internal successors, (1803), 1314 states have internal predecessors, (1803), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-17 07:27:27,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1329 states to 1329 states and 1867 transitions. [2024-11-17 07:27:27,354 INFO L78 Accepts]: Start accepts. Automaton has 1329 states and 1867 transitions. Word has length 194 [2024-11-17 07:27:27,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:27:27,354 INFO L471 AbstractCegarLoop]: Abstraction has 1329 states and 1867 transitions. [2024-11-17 07:27:27,355 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 44.25) internal successors, (177), 4 states have internal predecessors, (177), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 07:27:27,356 INFO L276 IsEmpty]: Start isEmpty. Operand 1329 states and 1867 transitions. [2024-11-17 07:27:27,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-17 07:27:27,357 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:27:27,357 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:27:27,373 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 07:27:27,561 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:27:27,562 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 07:27:27,563 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:27:27,563 INFO L85 PathProgramCache]: Analyzing trace with hash 1230556177, now seen corresponding path program 1 times [2024-11-17 07:27:27,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:27:27,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685608640] [2024-11-17 07:27:27,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:27,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:27:27,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:27,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-17 07:27:27,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:27,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-17 07:27:27,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:27,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-17 07:27:27,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:27,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-17 07:27:27,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:27,966 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 07:27:27,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:27:27,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685608640] [2024-11-17 07:27:27,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685608640] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:27:27,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:27:27,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-17 07:27:27,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442503683] [2024-11-17 07:27:27,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:27:27,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 07:27:27,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:27:27,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 07:27:27,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-17 07:27:27,967 INFO L87 Difference]: Start difference. First operand 1329 states and 1867 transitions. Second operand has 7 states, 7 states have (on average 25.428571428571427) internal successors, (178), 6 states have internal predecessors, (178), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 07:27:29,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:27:29,014 INFO L93 Difference]: Finished difference Result 2540 states and 3592 transitions. [2024-11-17 07:27:29,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 07:27:29,014 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.428571428571427) internal successors, (178), 6 states have internal predecessors, (178), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 195 [2024-11-17 07:27:29,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:27:29,021 INFO L225 Difference]: With dead ends: 2540 [2024-11-17 07:27:29,022 INFO L226 Difference]: Without dead ends: 1344 [2024-11-17 07:27:29,023 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-17 07:27:29,023 INFO L432 NwaCegarLoop]: 693 mSDtfsCounter, 14 mSDsluCounter, 2323 mSDsCounter, 0 mSdLazyCounter, 805 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 3016 SdHoareTripleChecker+Invalid, 817 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 805 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-17 07:27:29,024 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 3016 Invalid, 817 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 805 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-17 07:27:29,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1344 states. [2024-11-17 07:27:29,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1344 to 1337. [2024-11-17 07:27:29,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1337 states, 1295 states have (on average 1.4) internal successors, (1813), 1322 states have internal predecessors, (1813), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-17 07:27:29,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1337 states to 1337 states and 1877 transitions. [2024-11-17 07:27:29,057 INFO L78 Accepts]: Start accepts. Automaton has 1337 states and 1877 transitions. Word has length 195 [2024-11-17 07:27:29,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:27:29,057 INFO L471 AbstractCegarLoop]: Abstraction has 1337 states and 1877 transitions. [2024-11-17 07:27:29,057 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.428571428571427) internal successors, (178), 6 states have internal predecessors, (178), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 07:27:29,057 INFO L276 IsEmpty]: Start isEmpty. Operand 1337 states and 1877 transitions. [2024-11-17 07:27:29,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-17 07:27:29,059 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:27:29,059 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:27:29,059 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-17 07:27:29,059 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 07:27:29,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:27:29,060 INFO L85 PathProgramCache]: Analyzing trace with hash 1396498496, now seen corresponding path program 1 times [2024-11-17 07:27:29,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:27:29,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411110881] [2024-11-17 07:27:29,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:29,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:27:29,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:29,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-17 07:27:29,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:29,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-17 07:27:29,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:29,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-17 07:27:29,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:29,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-17 07:27:29,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:29,399 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 07:27:29,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:27:29,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411110881] [2024-11-17 07:27:29,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411110881] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:27:29,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:27:29,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-17 07:27:29,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399179476] [2024-11-17 07:27:29,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:27:29,401 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 07:27:29,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:27:29,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 07:27:29,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-17 07:27:29,401 INFO L87 Difference]: Start difference. First operand 1337 states and 1877 transitions. Second operand has 8 states, 8 states have (on average 22.375) internal successors, (179), 7 states have internal predecessors, (179), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 07:27:30,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:27:30,211 INFO L93 Difference]: Finished difference Result 2555 states and 3612 transitions. [2024-11-17 07:27:30,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 07:27:30,212 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 22.375) internal successors, (179), 7 states have internal predecessors, (179), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 196 [2024-11-17 07:27:30,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:27:30,216 INFO L225 Difference]: With dead ends: 2555 [2024-11-17 07:27:30,216 INFO L226 Difference]: Without dead ends: 1362 [2024-11-17 07:27:30,218 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-17 07:27:30,218 INFO L432 NwaCegarLoop]: 685 mSDtfsCounter, 18 mSDsluCounter, 3430 mSDsCounter, 0 mSdLazyCounter, 1195 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 4115 SdHoareTripleChecker+Invalid, 1207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-17 07:27:30,218 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 4115 Invalid, 1207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1195 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-17 07:27:30,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1362 states. [2024-11-17 07:27:30,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1362 to 1353. [2024-11-17 07:27:30,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1353 states, 1311 states have (on average 1.3996948893974066) internal successors, (1835), 1338 states have internal predecessors, (1835), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-17 07:27:30,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1353 states to 1353 states and 1899 transitions. [2024-11-17 07:27:30,240 INFO L78 Accepts]: Start accepts. Automaton has 1353 states and 1899 transitions. Word has length 196 [2024-11-17 07:27:30,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:27:30,240 INFO L471 AbstractCegarLoop]: Abstraction has 1353 states and 1899 transitions. [2024-11-17 07:27:30,240 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 22.375) internal successors, (179), 7 states have internal predecessors, (179), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 07:27:30,240 INFO L276 IsEmpty]: Start isEmpty. Operand 1353 states and 1899 transitions. [2024-11-17 07:27:30,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-17 07:27:30,241 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:27:30,241 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:27:30,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-17 07:27:30,242 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 07:27:30,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:27:30,242 INFO L85 PathProgramCache]: Analyzing trace with hash 6482637, now seen corresponding path program 1 times [2024-11-17 07:27:30,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:27:30,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522923232] [2024-11-17 07:27:30,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:30,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:27:30,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:30,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-17 07:27:30,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:30,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-17 07:27:30,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:30,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-17 07:27:30,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:30,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-17 07:27:30,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:30,933 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-17 07:27:30,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:27:30,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522923232] [2024-11-17 07:27:30,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522923232] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:27:30,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1972695657] [2024-11-17 07:27:30,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:30,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:27:30,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:27:30,935 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 07:27:30,936 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 07:27:31,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:31,490 INFO L255 TraceCheckSpWp]: Trace formula consists of 1055 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-17 07:27:31,496 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:27:31,664 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 07:27:31,664 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:27:31,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1972695657] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:27:31,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:27:31,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 10 [2024-11-17 07:27:31,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032514542] [2024-11-17 07:27:31,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:27:31,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 07:27:31,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:27:31,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 07:27:31,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-17 07:27:31,666 INFO L87 Difference]: Start difference. First operand 1353 states and 1899 transitions. Second operand has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 7 states have internal predecessors, (179), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 07:27:32,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:27:32,241 INFO L93 Difference]: Finished difference Result 2568 states and 3618 transitions. [2024-11-17 07:27:32,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 07:27:32,241 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 7 states have internal predecessors, (179), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 196 [2024-11-17 07:27:32,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:27:32,246 INFO L225 Difference]: With dead ends: 2568 [2024-11-17 07:27:32,246 INFO L226 Difference]: Without dead ends: 1367 [2024-11-17 07:27:32,247 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-17 07:27:32,248 INFO L432 NwaCegarLoop]: 694 mSDtfsCounter, 12 mSDsluCounter, 2899 mSDsCounter, 0 mSdLazyCounter, 1003 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 3593 SdHoareTripleChecker+Invalid, 1004 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1003 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 07:27:32,248 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 3593 Invalid, 1004 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1003 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 07:27:32,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1367 states. [2024-11-17 07:27:32,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1367 to 1353. [2024-11-17 07:27:32,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1353 states, 1311 states have (on average 1.3996948893974066) internal successors, (1835), 1338 states have internal predecessors, (1835), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-17 07:27:32,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1353 states to 1353 states and 1899 transitions. [2024-11-17 07:27:32,268 INFO L78 Accepts]: Start accepts. Automaton has 1353 states and 1899 transitions. Word has length 196 [2024-11-17 07:27:32,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:27:32,268 INFO L471 AbstractCegarLoop]: Abstraction has 1353 states and 1899 transitions. [2024-11-17 07:27:32,268 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 7 states have internal predecessors, (179), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 07:27:32,268 INFO L276 IsEmpty]: Start isEmpty. Operand 1353 states and 1899 transitions. [2024-11-17 07:27:32,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-17 07:27:32,270 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:27:32,270 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:27:32,287 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 07:27:32,470 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:27:32,471 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 07:27:32,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:27:32,471 INFO L85 PathProgramCache]: Analyzing trace with hash 1271532664, now seen corresponding path program 1 times [2024-11-17 07:27:32,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:27:32,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467751572] [2024-11-17 07:27:32,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:32,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:27:32,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:32,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-17 07:27:32,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:32,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-17 07:27:32,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:32,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-17 07:27:32,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:32,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-17 07:27:32,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:32,946 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 07:27:32,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:27:32,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467751572] [2024-11-17 07:27:32,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1467751572] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:27:32,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:27:32,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-17 07:27:32,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891680656] [2024-11-17 07:27:32,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:27:32,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-17 07:27:32,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:27:32,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-17 07:27:32,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-17 07:27:32,948 INFO L87 Difference]: Start difference. First operand 1353 states and 1899 transitions. Second operand has 10 states, 10 states have (on average 18.0) internal successors, (180), 9 states have internal predecessors, (180), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 07:27:33,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:27:33,740 INFO L93 Difference]: Finished difference Result 2578 states and 3639 transitions. [2024-11-17 07:27:33,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-17 07:27:33,741 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 18.0) internal successors, (180), 9 states have internal predecessors, (180), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 197 [2024-11-17 07:27:33,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:27:33,745 INFO L225 Difference]: With dead ends: 2578 [2024-11-17 07:27:33,745 INFO L226 Difference]: Without dead ends: 1382 [2024-11-17 07:27:33,747 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-17 07:27:33,747 INFO L432 NwaCegarLoop]: 685 mSDtfsCounter, 26 mSDsluCounter, 3569 mSDsCounter, 0 mSdLazyCounter, 1139 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 4254 SdHoareTripleChecker+Invalid, 1151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-17 07:27:33,747 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 4254 Invalid, 1151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1139 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-17 07:27:33,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1382 states. [2024-11-17 07:27:33,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1382 to 1367. [2024-11-17 07:27:33,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1367 states, 1325 states have (on average 1.3984905660377358) internal successors, (1853), 1352 states have internal predecessors, (1853), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-17 07:27:33,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1367 states to 1367 states and 1917 transitions. [2024-11-17 07:27:33,768 INFO L78 Accepts]: Start accepts. Automaton has 1367 states and 1917 transitions. Word has length 197 [2024-11-17 07:27:33,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:27:33,768 INFO L471 AbstractCegarLoop]: Abstraction has 1367 states and 1917 transitions. [2024-11-17 07:27:33,769 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 18.0) internal successors, (180), 9 states have internal predecessors, (180), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 07:27:33,769 INFO L276 IsEmpty]: Start isEmpty. Operand 1367 states and 1917 transitions. [2024-11-17 07:27:33,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-17 07:27:33,770 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:27:33,770 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:27:33,770 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-17 07:27:33,770 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 07:27:33,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:27:33,770 INFO L85 PathProgramCache]: Analyzing trace with hash 1130713995, now seen corresponding path program 1 times [2024-11-17 07:27:33,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:27:33,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273204467] [2024-11-17 07:27:33,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:33,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:27:34,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:34,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-17 07:27:34,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:34,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-17 07:27:34,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:34,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-17 07:27:34,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:34,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-17 07:27:34,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:34,284 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-17 07:27:34,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:27:34,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273204467] [2024-11-17 07:27:34,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273204467] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:27:34,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1454401468] [2024-11-17 07:27:34,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:34,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:27:34,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:27:34,286 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 07:27:34,290 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 07:27:34,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:34,797 INFO L255 TraceCheckSpWp]: Trace formula consists of 1056 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-17 07:27:34,800 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:27:34,908 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 07:27:34,908 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:27:34,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1454401468] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:27:34,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:27:34,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5] total 11 [2024-11-17 07:27:34,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179983212] [2024-11-17 07:27:34,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:27:34,909 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 07:27:34,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:27:34,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 07:27:34,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-11-17 07:27:34,910 INFO L87 Difference]: Start difference. First operand 1367 states and 1917 transitions. Second operand has 8 states, 8 states have (on average 22.5) internal successors, (180), 8 states have internal predecessors, (180), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 07:27:35,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:27:35,500 INFO L93 Difference]: Finished difference Result 2596 states and 3651 transitions. [2024-11-17 07:27:35,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 07:27:35,500 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 22.5) internal successors, (180), 8 states have internal predecessors, (180), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 197 [2024-11-17 07:27:35,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:27:35,504 INFO L225 Difference]: With dead ends: 2596 [2024-11-17 07:27:35,505 INFO L226 Difference]: Without dead ends: 1393 [2024-11-17 07:27:35,506 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-11-17 07:27:35,506 INFO L432 NwaCegarLoop]: 697 mSDtfsCounter, 17 mSDsluCounter, 2959 mSDsCounter, 0 mSdLazyCounter, 1012 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 3656 SdHoareTripleChecker+Invalid, 1012 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1012 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-17 07:27:35,506 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 3656 Invalid, 1012 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1012 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-17 07:27:35,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1393 states. [2024-11-17 07:27:35,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1393 to 1377. [2024-11-17 07:27:35,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1377 states, 1335 states have (on average 1.3970037453183521) internal successors, (1865), 1362 states have internal predecessors, (1865), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-17 07:27:35,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1377 states to 1377 states and 1929 transitions. [2024-11-17 07:27:35,526 INFO L78 Accepts]: Start accepts. Automaton has 1377 states and 1929 transitions. Word has length 197 [2024-11-17 07:27:35,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:27:35,526 INFO L471 AbstractCegarLoop]: Abstraction has 1377 states and 1929 transitions. [2024-11-17 07:27:35,526 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 22.5) internal successors, (180), 8 states have internal predecessors, (180), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 07:27:35,526 INFO L276 IsEmpty]: Start isEmpty. Operand 1377 states and 1929 transitions. [2024-11-17 07:27:35,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-17 07:27:35,527 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:27:35,527 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:27:35,544 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 07:27:35,731 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,SelfDestructingSolverStorable14 [2024-11-17 07:27:35,732 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 07:27:35,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:27:35,732 INFO L85 PathProgramCache]: Analyzing trace with hash 712775559, now seen corresponding path program 1 times [2024-11-17 07:27:35,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:27:35,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53248148] [2024-11-17 07:27:35,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:35,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:27:35,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:36,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-17 07:27:36,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:36,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-17 07:27:36,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:36,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-17 07:27:36,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:36,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-17 07:27:36,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:36,261 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 07:27:36,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:27:36,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53248148] [2024-11-17 07:27:36,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53248148] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:27:36,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:27:36,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-17 07:27:36,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001472195] [2024-11-17 07:27:36,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:27:36,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-17 07:27:36,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:27:36,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-17 07:27:36,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-17 07:27:36,264 INFO L87 Difference]: Start difference. First operand 1377 states and 1929 transitions. Second operand has 11 states, 11 states have (on average 16.454545454545453) internal successors, (181), 10 states have internal predecessors, (181), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 07:27:37,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:27:37,243 INFO L93 Difference]: Finished difference Result 2611 states and 3682 transitions. [2024-11-17 07:27:37,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-17 07:27:37,243 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 16.454545454545453) internal successors, (181), 10 states have internal predecessors, (181), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 198 [2024-11-17 07:27:37,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:27:37,248 INFO L225 Difference]: With dead ends: 2611 [2024-11-17 07:27:37,248 INFO L226 Difference]: Without dead ends: 1398 [2024-11-17 07:27:37,249 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-11-17 07:27:37,249 INFO L432 NwaCegarLoop]: 691 mSDtfsCounter, 32 mSDsluCounter, 4090 mSDsCounter, 0 mSdLazyCounter, 1446 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 4781 SdHoareTripleChecker+Invalid, 1458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-17 07:27:37,250 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 4781 Invalid, 1458 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1446 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-17 07:27:37,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1398 states. [2024-11-17 07:27:37,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1398 to 1383. [2024-11-17 07:27:37,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1383 states, 1341 states have (on average 1.3952274422073079) internal successors, (1871), 1368 states have internal predecessors, (1871), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-17 07:27:37,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1383 states to 1383 states and 1935 transitions. [2024-11-17 07:27:37,269 INFO L78 Accepts]: Start accepts. Automaton has 1383 states and 1935 transitions. Word has length 198 [2024-11-17 07:27:37,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:27:37,269 INFO L471 AbstractCegarLoop]: Abstraction has 1383 states and 1935 transitions. [2024-11-17 07:27:37,269 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 16.454545454545453) internal successors, (181), 10 states have internal predecessors, (181), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 07:27:37,269 INFO L276 IsEmpty]: Start isEmpty. Operand 1383 states and 1935 transitions. [2024-11-17 07:27:37,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-17 07:27:37,270 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:27:37,270 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:27:37,270 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-17 07:27:37,271 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 07:27:37,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:27:37,271 INFO L85 PathProgramCache]: Analyzing trace with hash 1757899828, now seen corresponding path program 1 times [2024-11-17 07:27:37,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:27:37,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143815117] [2024-11-17 07:27:37,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:37,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:27:37,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:37,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-17 07:27:37,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:37,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-17 07:27:37,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:37,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-17 07:27:37,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:37,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-17 07:27:37,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:37,802 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-17 07:27:37,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:27:37,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143815117] [2024-11-17 07:27:37,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143815117] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:27:37,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [285635499] [2024-11-17 07:27:37,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:37,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:27:37,803 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:27:37,804 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 07:27:37,805 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 07:27:38,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:38,329 INFO L255 TraceCheckSpWp]: Trace formula consists of 1057 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-17 07:27:38,332 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:27:38,414 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 07:27:38,418 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:27:38,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [285635499] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:27:38,418 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:27:38,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 10 [2024-11-17 07:27:38,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363532102] [2024-11-17 07:27:38,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:27:38,419 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 07:27:38,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:27:38,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 07:27:38,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-17 07:27:38,420 INFO L87 Difference]: Start difference. First operand 1383 states and 1935 transitions. Second operand has 7 states, 7 states have (on average 25.857142857142858) internal successors, (181), 7 states have internal predecessors, (181), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 07:27:38,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:27:38,946 INFO L93 Difference]: Finished difference Result 2622 states and 3684 transitions. [2024-11-17 07:27:38,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 07:27:38,946 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.857142857142858) internal successors, (181), 7 states have internal predecessors, (181), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 198 [2024-11-17 07:27:38,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:27:38,951 INFO L225 Difference]: With dead ends: 2622 [2024-11-17 07:27:38,951 INFO L226 Difference]: Without dead ends: 1411 [2024-11-17 07:27:38,952 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-17 07:27:38,952 INFO L432 NwaCegarLoop]: 684 mSDtfsCounter, 41 mSDsluCounter, 2981 mSDsCounter, 0 mSdLazyCounter, 907 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 3665 SdHoareTripleChecker+Invalid, 911 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 907 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 07:27:38,953 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 3665 Invalid, 911 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 907 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 07:27:38,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1411 states. [2024-11-17 07:27:39,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1411 to 1387. [2024-11-17 07:27:39,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1387 states, 1345 states have (on average 1.3970260223048327) internal successors, (1879), 1372 states have internal predecessors, (1879), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-17 07:27:39,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1387 states to 1387 states and 1943 transitions. [2024-11-17 07:27:39,004 INFO L78 Accepts]: Start accepts. Automaton has 1387 states and 1943 transitions. Word has length 198 [2024-11-17 07:27:39,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:27:39,005 INFO L471 AbstractCegarLoop]: Abstraction has 1387 states and 1943 transitions. [2024-11-17 07:27:39,005 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.857142857142858) internal successors, (181), 7 states have internal predecessors, (181), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 07:27:39,005 INFO L276 IsEmpty]: Start isEmpty. Operand 1387 states and 1943 transitions. [2024-11-17 07:27:39,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-17 07:27:39,007 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:27:39,007 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:27:39,026 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-17 07:27:39,210 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-17 07:27:39,211 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 07:27:39,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:27:39,212 INFO L85 PathProgramCache]: Analyzing trace with hash -1654183824, now seen corresponding path program 1 times [2024-11-17 07:27:39,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:27:39,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632824056] [2024-11-17 07:27:39,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:39,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:27:39,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:39,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-17 07:27:39,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:39,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-17 07:27:39,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:39,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-17 07:27:39,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:39,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-17 07:27:39,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:39,980 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-17 07:27:39,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:27:39,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632824056] [2024-11-17 07:27:39,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632824056] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:27:39,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1735970567] [2024-11-17 07:27:39,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:39,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:27:39,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:27:39,983 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 07:27:39,985 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 07:27:40,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:40,553 INFO L255 TraceCheckSpWp]: Trace formula consists of 1057 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-17 07:27:40,557 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:27:40,646 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-17 07:27:40,647 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:27:40,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1735970567] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:27:40,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:27:40,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [5] total 12 [2024-11-17 07:27:40,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687385128] [2024-11-17 07:27:40,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:27:40,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-17 07:27:40,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:27:40,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-17 07:27:40,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-17 07:27:40,648 INFO L87 Difference]: Start difference. First operand 1387 states and 1943 transitions. Second operand has 9 states, 9 states have (on average 20.444444444444443) internal successors, (184), 9 states have internal predecessors, (184), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 07:27:41,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:27:41,036 INFO L93 Difference]: Finished difference Result 2489 states and 3513 transitions. [2024-11-17 07:27:41,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-17 07:27:41,036 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 20.444444444444443) internal successors, (184), 9 states have internal predecessors, (184), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 198 [2024-11-17 07:27:41,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:27:41,041 INFO L225 Difference]: With dead ends: 2489 [2024-11-17 07:27:41,041 INFO L226 Difference]: Without dead ends: 1409 [2024-11-17 07:27:41,042 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-17 07:27:41,042 INFO L432 NwaCegarLoop]: 688 mSDtfsCounter, 25 mSDsluCounter, 3179 mSDsCounter, 0 mSdLazyCounter, 688 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 3867 SdHoareTripleChecker+Invalid, 691 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 688 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 07:27:41,042 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 3867 Invalid, 691 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 688 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 07:27:41,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1409 states. [2024-11-17 07:27:41,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1409 to 1401. [2024-11-17 07:27:41,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1401 states, 1359 states have (on average 1.3944076526857985) internal successors, (1895), 1386 states have internal predecessors, (1895), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-17 07:27:41,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1401 states to 1401 states and 1959 transitions. [2024-11-17 07:27:41,061 INFO L78 Accepts]: Start accepts. Automaton has 1401 states and 1959 transitions. Word has length 198 [2024-11-17 07:27:41,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:27:41,061 INFO L471 AbstractCegarLoop]: Abstraction has 1401 states and 1959 transitions. [2024-11-17 07:27:41,062 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 20.444444444444443) internal successors, (184), 9 states have internal predecessors, (184), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 07:27:41,062 INFO L276 IsEmpty]: Start isEmpty. Operand 1401 states and 1959 transitions. [2024-11-17 07:27:41,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-17 07:27:41,063 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:27:41,063 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:27:41,080 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 07:27:41,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:27:41,264 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 07:27:41,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:27:41,264 INFO L85 PathProgramCache]: Analyzing trace with hash -2040044634, now seen corresponding path program 1 times [2024-11-17 07:27:41,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:27:41,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269798601] [2024-11-17 07:27:41,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:41,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:27:41,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:41,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-17 07:27:41,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:41,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-17 07:27:41,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:41,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-17 07:27:41,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:41,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-17 07:27:41,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:41,709 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 07:27:41,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:27:41,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269798601] [2024-11-17 07:27:41,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269798601] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:27:41,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:27:41,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-17 07:27:41,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068725427] [2024-11-17 07:27:41,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:27:41,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 07:27:41,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:27:41,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 07:27:41,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-17 07:27:41,713 INFO L87 Difference]: Start difference. First operand 1401 states and 1959 transitions. Second operand has 7 states, 7 states have (on average 26.0) internal successors, (182), 6 states have internal predecessors, (182), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 07:27:42,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:27:42,408 INFO L93 Difference]: Finished difference Result 2486 states and 3511 transitions. [2024-11-17 07:27:42,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 07:27:42,409 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 26.0) internal successors, (182), 6 states have internal predecessors, (182), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 199 [2024-11-17 07:27:42,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:27:42,445 INFO L225 Difference]: With dead ends: 2486 [2024-11-17 07:27:42,449 INFO L226 Difference]: Without dead ends: 1400 [2024-11-17 07:27:42,452 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-17 07:27:42,453 INFO L432 NwaCegarLoop]: 691 mSDtfsCounter, 19 mSDsluCounter, 3052 mSDsCounter, 0 mSdLazyCounter, 758 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 3743 SdHoareTripleChecker+Invalid, 768 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 758 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-17 07:27:42,453 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 3743 Invalid, 768 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 758 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-17 07:27:42,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1400 states. [2024-11-17 07:27:42,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1400 to 1395. [2024-11-17 07:27:42,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1395 states, 1353 states have (on average 1.3932002956393201) internal successors, (1885), 1380 states have internal predecessors, (1885), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-17 07:27:42,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1395 states to 1395 states and 1949 transitions. [2024-11-17 07:27:42,504 INFO L78 Accepts]: Start accepts. Automaton has 1395 states and 1949 transitions. Word has length 199 [2024-11-17 07:27:42,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:27:42,505 INFO L471 AbstractCegarLoop]: Abstraction has 1395 states and 1949 transitions. [2024-11-17 07:27:42,505 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 26.0) internal successors, (182), 6 states have internal predecessors, (182), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 07:27:42,505 INFO L276 IsEmpty]: Start isEmpty. Operand 1395 states and 1949 transitions. [2024-11-17 07:27:42,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-11-17 07:27:42,510 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:27:42,510 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:27:42,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-17 07:27:42,511 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 07:27:42,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:27:42,511 INFO L85 PathProgramCache]: Analyzing trace with hash -1387176371, now seen corresponding path program 1 times [2024-11-17 07:27:42,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:27:42,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812614935] [2024-11-17 07:27:42,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:42,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:27:42,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:42,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-17 07:27:42,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:42,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-17 07:27:42,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:42,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-17 07:27:42,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:42,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-17 07:27:42,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:42,818 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 07:27:42,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:27:42,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812614935] [2024-11-17 07:27:42,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812614935] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:27:42,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:27:42,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-17 07:27:42,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875710875] [2024-11-17 07:27:42,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:27:42,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 07:27:42,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:27:42,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 07:27:42,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-17 07:27:42,820 INFO L87 Difference]: Start difference. First operand 1395 states and 1949 transitions. Second operand has 7 states, 7 states have (on average 26.142857142857142) internal successors, (183), 6 states have internal predecessors, (183), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 07:27:43,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:27:43,387 INFO L93 Difference]: Finished difference Result 2485 states and 3508 transitions. [2024-11-17 07:27:43,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 07:27:43,387 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 26.142857142857142) internal successors, (183), 6 states have internal predecessors, (183), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 200 [2024-11-17 07:27:43,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:27:43,392 INFO L225 Difference]: With dead ends: 2485 [2024-11-17 07:27:43,392 INFO L226 Difference]: Without dead ends: 1404 [2024-11-17 07:27:43,393 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-17 07:27:43,393 INFO L432 NwaCegarLoop]: 693 mSDtfsCounter, 14 mSDsluCounter, 3070 mSDsCounter, 0 mSdLazyCounter, 748 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 3763 SdHoareTripleChecker+Invalid, 758 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 748 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 07:27:43,393 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 3763 Invalid, 758 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 748 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 07:27:43,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1404 states. [2024-11-17 07:27:43,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1404 to 1401. [2024-11-17 07:27:43,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1401 states, 1359 states have (on average 1.3914643119941132) internal successors, (1891), 1386 states have internal predecessors, (1891), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-17 07:27:43,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1401 states to 1401 states and 1955 transitions. [2024-11-17 07:27:43,412 INFO L78 Accepts]: Start accepts. Automaton has 1401 states and 1955 transitions. Word has length 200 [2024-11-17 07:27:43,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:27:43,413 INFO L471 AbstractCegarLoop]: Abstraction has 1401 states and 1955 transitions. [2024-11-17 07:27:43,413 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 26.142857142857142) internal successors, (183), 6 states have internal predecessors, (183), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 07:27:43,413 INFO L276 IsEmpty]: Start isEmpty. Operand 1401 states and 1955 transitions. [2024-11-17 07:27:43,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2024-11-17 07:27:43,414 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:27:43,414 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:27:43,414 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-17 07:27:43,414 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 07:27:43,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:27:43,415 INFO L85 PathProgramCache]: Analyzing trace with hash 325896766, now seen corresponding path program 1 times [2024-11-17 07:27:43,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:27:43,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760169715] [2024-11-17 07:27:43,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:43,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:27:43,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:43,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-17 07:27:43,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:43,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-17 07:27:43,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:43,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-17 07:27:43,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:43,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-17 07:27:43,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:43,924 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-17 07:27:43,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:27:43,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760169715] [2024-11-17 07:27:43,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760169715] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:27:43,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1967812263] [2024-11-17 07:27:43,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:43,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:27:43,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:27:43,926 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 07:27:43,928 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 07:27:44,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:44,544 INFO L255 TraceCheckSpWp]: Trace formula consists of 1057 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-17 07:27:44,547 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:27:44,693 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 07:27:44,694 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:27:44,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1967812263] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:27:44,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:27:44,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 10 [2024-11-17 07:27:44,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001649624] [2024-11-17 07:27:44,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:27:44,695 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 07:27:44,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:27:44,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 07:27:44,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-17 07:27:44,696 INFO L87 Difference]: Start difference. First operand 1401 states and 1955 transitions. Second operand has 7 states, 7 states have (on average 26.285714285714285) internal successors, (184), 7 states have internal predecessors, (184), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 07:27:45,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:27:45,352 INFO L93 Difference]: Finished difference Result 2643 states and 3702 transitions. [2024-11-17 07:27:45,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 07:27:45,353 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 26.285714285714285) internal successors, (184), 7 states have internal predecessors, (184), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 201 [2024-11-17 07:27:45,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:27:45,357 INFO L225 Difference]: With dead ends: 2643 [2024-11-17 07:27:45,357 INFO L226 Difference]: Without dead ends: 1411 [2024-11-17 07:27:45,358 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-17 07:27:45,359 INFO L432 NwaCegarLoop]: 693 mSDtfsCounter, 10 mSDsluCounter, 2894 mSDsCounter, 0 mSdLazyCounter, 1003 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 3587 SdHoareTripleChecker+Invalid, 1004 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1003 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-17 07:27:45,359 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 3587 Invalid, 1004 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1003 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-17 07:27:45,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1411 states. [2024-11-17 07:27:45,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1411 to 1401. [2024-11-17 07:27:45,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1401 states, 1359 states have (on average 1.3914643119941132) internal successors, (1891), 1386 states have internal predecessors, (1891), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-17 07:27:45,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1401 states to 1401 states and 1955 transitions. [2024-11-17 07:27:45,378 INFO L78 Accepts]: Start accepts. Automaton has 1401 states and 1955 transitions. Word has length 201 [2024-11-17 07:27:45,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:27:45,379 INFO L471 AbstractCegarLoop]: Abstraction has 1401 states and 1955 transitions. [2024-11-17 07:27:45,379 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 26.285714285714285) internal successors, (184), 7 states have internal predecessors, (184), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 07:27:45,379 INFO L276 IsEmpty]: Start isEmpty. Operand 1401 states and 1955 transitions. [2024-11-17 07:27:45,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2024-11-17 07:27:45,380 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:27:45,380 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:27:45,399 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 07:27:45,581 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,SelfDestructingSolverStorable20 [2024-11-17 07:27:45,582 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 07:27:45,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:27:45,582 INFO L85 PathProgramCache]: Analyzing trace with hash -2043447974, now seen corresponding path program 1 times [2024-11-17 07:27:45,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:27:45,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176691195] [2024-11-17 07:27:45,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:45,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:27:46,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:46,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-17 07:27:46,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:46,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-17 07:27:46,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:46,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-17 07:27:46,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:46,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-17 07:27:46,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:46,175 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-17 07:27:46,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:27:46,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176691195] [2024-11-17 07:27:46,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1176691195] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:27:46,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [43945512] [2024-11-17 07:27:46,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:46,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:27:46,175 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:27:46,177 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 07:27:46,179 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 07:27:46,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:46,840 INFO L255 TraceCheckSpWp]: Trace formula consists of 1057 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-17 07:27:46,843 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:27:46,855 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-17 07:27:46,855 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:27:46,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [43945512] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:27:46,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:27:46,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 6 [2024-11-17 07:27:46,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946457177] [2024-11-17 07:27:46,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:27:46,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 07:27:46,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:27:46,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 07:27:46,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-17 07:27:46,857 INFO L87 Difference]: Start difference. First operand 1401 states and 1955 transitions. Second operand has 4 states, 4 states have (on average 47.5) internal successors, (190), 4 states have internal predecessors, (190), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 07:27:46,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:27:46,974 INFO L93 Difference]: Finished difference Result 2596 states and 3642 transitions. [2024-11-17 07:27:46,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 07:27:46,975 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 47.5) internal successors, (190), 4 states have internal predecessors, (190), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 201 [2024-11-17 07:27:46,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:27:46,981 INFO L225 Difference]: With dead ends: 2596 [2024-11-17 07:27:46,981 INFO L226 Difference]: Without dead ends: 1404 [2024-11-17 07:27:46,984 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-17 07:27:46,984 INFO L432 NwaCegarLoop]: 701 mSDtfsCounter, 0 mSDsluCounter, 1395 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2096 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 07:27:46,984 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2096 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 07:27:46,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1404 states. [2024-11-17 07:27:47,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1404 to 1404. [2024-11-17 07:27:47,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1404 states, 1361 states have (on average 1.3916238060249817) internal successors, (1894), 1389 states have internal predecessors, (1894), 32 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (36), 16 states have call predecessors, (36), 32 states have call successors, (36) [2024-11-17 07:27:47,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1404 states to 1404 states and 1962 transitions. [2024-11-17 07:27:47,004 INFO L78 Accepts]: Start accepts. Automaton has 1404 states and 1962 transitions. Word has length 201 [2024-11-17 07:27:47,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:27:47,005 INFO L471 AbstractCegarLoop]: Abstraction has 1404 states and 1962 transitions. [2024-11-17 07:27:47,005 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 47.5) internal successors, (190), 4 states have internal predecessors, (190), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 07:27:47,005 INFO L276 IsEmpty]: Start isEmpty. Operand 1404 states and 1962 transitions. [2024-11-17 07:27:47,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-11-17 07:27:47,006 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:27:47,006 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:27:47,030 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-17 07:27:47,210 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:27:47,211 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 07:27:47,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:27:47,211 INFO L85 PathProgramCache]: Analyzing trace with hash 908593762, now seen corresponding path program 1 times [2024-11-17 07:27:47,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:27:47,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465980318] [2024-11-17 07:27:47,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:47,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:27:47,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:48,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-17 07:27:48,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:48,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-17 07:27:48,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:48,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-17 07:27:48,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:48,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-17 07:27:48,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:48,088 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-17 07:27:48,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:27:48,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465980318] [2024-11-17 07:27:48,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465980318] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:27:48,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [840386548] [2024-11-17 07:27:48,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:48,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:27:48,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:27:48,090 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 07:27:48,091 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-17 07:27:49,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:49,046 INFO L255 TraceCheckSpWp]: Trace formula consists of 1117 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-17 07:27:49,049 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:27:49,070 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 27 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 07:27:49,071 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 07:27:49,133 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-17 07:27:49,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [840386548] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 07:27:49,133 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 07:27:49,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2024-11-17 07:27:49,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196247415] [2024-11-17 07:27:49,134 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 07:27:49,134 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-17 07:27:49,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:27:49,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-17 07:27:49,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-11-17 07:27:49,135 INFO L87 Difference]: Start difference. First operand 1404 states and 1962 transitions. Second operand has 11 states, 11 states have (on average 18.363636363636363) internal successors, (202), 10 states have internal predecessors, (202), 2 states have call successors, (11), 3 states have call predecessors, (11), 5 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-17 07:27:49,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:27:49,658 INFO L93 Difference]: Finished difference Result 2610 states and 3672 transitions. [2024-11-17 07:27:49,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-17 07:27:49,659 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 18.363636363636363) internal successors, (202), 10 states have internal predecessors, (202), 2 states have call successors, (11), 3 states have call predecessors, (11), 5 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) Word has length 205 [2024-11-17 07:27:49,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:27:49,663 INFO L225 Difference]: With dead ends: 2610 [2024-11-17 07:27:49,663 INFO L226 Difference]: Without dead ends: 1415 [2024-11-17 07:27:49,665 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 428 GetRequests, 411 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2024-11-17 07:27:49,665 INFO L432 NwaCegarLoop]: 698 mSDtfsCounter, 10 mSDsluCounter, 2666 mSDsCounter, 0 mSdLazyCounter, 488 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 3364 SdHoareTripleChecker+Invalid, 512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 488 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 07:27:49,665 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 3364 Invalid, 512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 488 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 07:27:49,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1415 states. [2024-11-17 07:27:49,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1415 to 1413. [2024-11-17 07:27:49,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1413 states, 1369 states have (on average 1.393718042366691) internal successors, (1908), 1397 states have internal predecessors, (1908), 32 states have call successors, (32), 3 states have call predecessors, (32), 4 states have return successors, (36), 16 states have call predecessors, (36), 32 states have call successors, (36) [2024-11-17 07:27:49,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1413 states to 1413 states and 1976 transitions. [2024-11-17 07:27:49,684 INFO L78 Accepts]: Start accepts. Automaton has 1413 states and 1976 transitions. Word has length 205 [2024-11-17 07:27:49,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:27:49,684 INFO L471 AbstractCegarLoop]: Abstraction has 1413 states and 1976 transitions. [2024-11-17 07:27:49,685 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 18.363636363636363) internal successors, (202), 10 states have internal predecessors, (202), 2 states have call successors, (11), 3 states have call predecessors, (11), 5 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-17 07:27:49,685 INFO L276 IsEmpty]: Start isEmpty. Operand 1413 states and 1976 transitions. [2024-11-17 07:27:49,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-11-17 07:27:49,686 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:27:49,686 INFO L215 NwaCegarLoop]: trace histogram [12, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:27:49,707 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-17 07:27:49,886 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-11-17 07:27:49,887 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 07:27:49,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:27:49,887 INFO L85 PathProgramCache]: Analyzing trace with hash -1929220006, now seen corresponding path program 2 times [2024-11-17 07:27:49,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:27:49,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369885973] [2024-11-17 07:27:49,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:49,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:27:50,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:50,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-17 07:27:50,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:50,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-17 07:27:50,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:50,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-17 07:27:50,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:50,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-17 07:27:50,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:50,897 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 6 proven. 71 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-11-17 07:27:50,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:27:50,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369885973] [2024-11-17 07:27:50,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369885973] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:27:50,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1818293398] [2024-11-17 07:27:50,898 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 07:27:50,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:27:50,898 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:27:50,899 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 07:27:50,900 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-17 07:27:52,024 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 07:27:52,025 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 07:27:52,036 INFO L255 TraceCheckSpWp]: Trace formula consists of 1237 conjuncts, 157 conjuncts are in the unsatisfiable core [2024-11-17 07:27:52,045 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:27:52,059 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-17 07:27:52,101 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-17 07:27:52,470 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 11 [2024-11-17 07:27:52,476 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 11 [2024-11-17 07:27:52,510 INFO L349 Elim1Store]: treesize reduction 26, result has 35.0 percent of original size [2024-11-17 07:27:52,510 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 29 [2024-11-17 07:27:52,517 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-17 07:27:52,522 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-17 07:27:52,585 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-11-17 07:27:52,588 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-11-17 07:27:52,799 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-17 07:27:52,799 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 45 [2024-11-17 07:27:52,803 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 11 [2024-11-17 07:27:58,525 INFO L224 Elim1Store]: Index analysis took 181 ms