./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6c24879c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_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.graphml --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 3a97724240a87192496d8328468f54cf5b25ba6881d4dae32505036169c4a273 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-13 02:45:01,491 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 02:45:01,493 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 02:45:01,540 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 02:45:01,540 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 02:45:01,541 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 02:45:01,542 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 02:45:01,543 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 02:45:01,544 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 02:45:01,544 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 02:45:01,545 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 02:45:01,546 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 02:45:01,546 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 02:45:01,547 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 02:45:01,548 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 02:45:01,549 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 02:45:01,549 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 02:45:01,550 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 02:45:01,551 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 02:45:01,553 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 02:45:01,554 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 02:45:01,555 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 02:45:01,556 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 02:45:01,557 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 02:45:01,557 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 02:45:01,560 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 02:45:01,560 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 02:45:01,560 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 02:45:01,561 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 02:45:01,561 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 02:45:01,562 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 02:45:01,562 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 02:45:01,563 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 02:45:01,564 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 02:45:01,564 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 02:45:01,565 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 02:45:01,565 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 02:45:01,566 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 02:45:01,566 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 02:45:01,566 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 02:45:01,567 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 02:45:01,568 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 02:45:01,568 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-07-13 02:45:01,599 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 02:45:01,601 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 02:45:01,602 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 02:45:01,602 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 02:45:01,603 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 02:45:01,603 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 02:45:01,603 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 02:45:01,604 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 02:45:01,604 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 02:45:01,605 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 02:45:01,605 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-13 02:45:01,605 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-13 02:45:01,605 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 02:45:01,605 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-13 02:45:01,605 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 02:45:01,606 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 02:45:01,606 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 02:45:01,606 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 02:45:01,606 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-07-13 02:45:01,606 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-13 02:45:01,606 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 02:45:01,606 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 02:45:01,607 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 02:45:01,607 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 02:45:01,607 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 02:45:01,607 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 02:45:01,608 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 02:45:01,608 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 02:45:01,608 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 02:45:01,608 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 02:45:01,608 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 02:45:01,608 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-13 02:45:01,609 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 02:45:01,609 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a97724240a87192496d8328468f54cf5b25ba6881d4dae32505036169c4a273 [2022-07-13 02:45:01,790 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 02:45:01,806 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 02:45:01,808 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 02:45:01,809 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 02:45:01,810 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 02:45:01,810 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-1.i [2022-07-13 02:45:01,862 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea172a05e/98be055d6a70463bb3dbac7521843010/FLAGf2c2f66b0 [2022-07-13 02:45:02,337 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 02:45:02,337 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-1.i [2022-07-13 02:45:02,365 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea172a05e/98be055d6a70463bb3dbac7521843010/FLAGf2c2f66b0 [2022-07-13 02:45:02,377 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea172a05e/98be055d6a70463bb3dbac7521843010 [2022-07-13 02:45:02,379 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 02:45:02,381 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 02:45:02,392 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 02:45:02,392 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 02:45:02,395 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 02:45:02,396 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 02:45:02" (1/1) ... [2022-07-13 02:45:02,397 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b674d8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:45:02, skipping insertion in model container [2022-07-13 02:45:02,397 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 02:45:02" (1/1) ... [2022-07-13 02:45:02,403 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 02:45:02,458 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 02:45:02,794 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-1.i[33021,33034] [2022-07-13 02:45:02,888 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-1.i[49681,49694] [2022-07-13 02:45:02,895 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 02:45:02,901 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 02:45:02,924 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-1.i[33021,33034] [2022-07-13 02:45:03,015 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-1.i[49681,49694] [2022-07-13 02:45:03,018 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 02:45:03,061 INFO L208 MainTranslator]: Completed translation [2022-07-13 02:45:03,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:45:03 WrapperNode [2022-07-13 02:45:03,062 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 02:45:03,063 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 02:45:03,063 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 02:45:03,063 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 02:45:03,067 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:45:03" (1/1) ... [2022-07-13 02:45:03,105 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:45:03" (1/1) ... [2022-07-13 02:45:03,161 INFO L137 Inliner]: procedures = 177, calls = 388, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1412 [2022-07-13 02:45:03,162 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 02:45:03,163 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 02:45:03,163 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 02:45:03,163 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 02:45:03,169 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:45:03" (1/1) ... [2022-07-13 02:45:03,173 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:45:03" (1/1) ... [2022-07-13 02:45:03,186 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:45:03" (1/1) ... [2022-07-13 02:45:03,192 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:45:03" (1/1) ... [2022-07-13 02:45:03,293 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:45:03" (1/1) ... [2022-07-13 02:45:03,307 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:45:03" (1/1) ... [2022-07-13 02:45:03,312 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:45:03" (1/1) ... [2022-07-13 02:45:03,321 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 02:45:03,322 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 02:45:03,322 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 02:45:03,322 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 02:45:03,331 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:45:03" (1/1) ... [2022-07-13 02:45:03,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 02:45:03,353 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 02:45:03,366 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-13 02:45:03,373 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-13 02:45:03,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-13 02:45:03,398 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-07-13 02:45:03,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-07-13 02:45:03,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-13 02:45:03,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-13 02:45:03,400 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-13 02:45:03,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-13 02:45:03,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 02:45:03,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-13 02:45:03,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-13 02:45:03,401 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-07-13 02:45:03,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-13 02:45:03,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-13 02:45:03,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-13 02:45:03,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 02:45:03,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 02:45:03,581 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 02:45:03,582 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 02:45:04,661 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 02:45:04,667 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 02:45:04,667 INFO L299 CfgBuilder]: Removed 83 assume(true) statements. [2022-07-13 02:45:04,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 02:45:04 BoogieIcfgContainer [2022-07-13 02:45:04,669 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 02:45:04,670 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-13 02:45:04,670 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-13 02:45:04,672 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-13 02:45:04,673 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.07 02:45:02" (1/3) ... [2022-07-13 02:45:04,673 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30915d20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 02:45:04, skipping insertion in model container [2022-07-13 02:45:04,673 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:45:03" (2/3) ... [2022-07-13 02:45:04,673 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30915d20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 02:45:04, skipping insertion in model container [2022-07-13 02:45:04,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 02:45:04" (3/3) ... [2022-07-13 02:45:04,674 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test5-1.i [2022-07-13 02:45:04,684 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-13 02:45:04,684 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2022-07-13 02:45:04,736 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-13 02:45:04,741 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@763de7f3, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@2b755ee4 [2022-07-13 02:45:04,742 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2022-07-13 02:45:04,746 INFO L276 IsEmpty]: Start isEmpty. Operand has 273 states, 249 states have (on average 1.7108433734939759) internal successors, (426), 264 states have internal predecessors, (426), 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) [2022-07-13 02:45:04,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-07-13 02:45:04,750 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 02:45:04,751 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-07-13 02:45:04,751 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-13 02:45:04,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 02:45:04,755 INFO L85 PathProgramCache]: Analyzing trace with hash 1126982839, now seen corresponding path program 1 times [2022-07-13 02:45:04,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 02:45:04,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623259158] [2022-07-13 02:45:04,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:45:04,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 02:45:04,859 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-13 02:45:04,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [740959032] [2022-07-13 02:45:04,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:45:04,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 02:45:04,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 02:45:04,868 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) [2022-07-13 02:45:04,891 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-13 02:45:05,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:45:05,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-13 02:45:05,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 02:45:05,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 02:45:05,059 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 02:45:05,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 02:45:05,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623259158] [2022-07-13 02:45:05,060 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-13 02:45:05,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [740959032] [2022-07-13 02:45:05,061 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [740959032] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 02:45:05,061 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 02:45:05,061 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 02:45:05,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545621750] [2022-07-13 02:45:05,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 02:45:05,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 02:45:05,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 02:45:05,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 02:45:05,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 02:45:05,092 INFO L87 Difference]: Start difference. First operand has 273 states, 249 states have (on average 1.7108433734939759) internal successors, (426), 264 states have internal predecessors, (426), 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) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 02:45:05,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 02:45:05,247 INFO L93 Difference]: Finished difference Result 796 states and 1338 transitions. [2022-07-13 02:45:05,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 02:45:05,252 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-07-13 02:45:05,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 02:45:05,265 INFO L225 Difference]: With dead ends: 796 [2022-07-13 02:45:05,265 INFO L226 Difference]: Without dead ends: 521 [2022-07-13 02:45:05,269 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 02:45:05,272 INFO L413 NwaCegarLoop]: 352 mSDtfsCounter, 314 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 325 SdHoareTripleChecker+Valid, 687 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-13 02:45:05,273 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [325 Valid, 687 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-13 02:45:05,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2022-07-13 02:45:05,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 341. [2022-07-13 02:45:05,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 315 states have (on average 1.3460317460317461) internal successors, (424), 332 states have internal predecessors, (424), 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) [2022-07-13 02:45:05,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 456 transitions. [2022-07-13 02:45:05,332 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 456 transitions. Word has length 6 [2022-07-13 02:45:05,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 02:45:05,333 INFO L495 AbstractCegarLoop]: Abstraction has 341 states and 456 transitions. [2022-07-13 02:45:05,333 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 02:45:05,333 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 456 transitions. [2022-07-13 02:45:05,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-07-13 02:45:05,333 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 02:45:05,334 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-07-13 02:45:05,358 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-13 02:45:05,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-07-13 02:45:05,552 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-13 02:45:05,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 02:45:05,552 INFO L85 PathProgramCache]: Analyzing trace with hash 1126331241, now seen corresponding path program 1 times [2022-07-13 02:45:05,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 02:45:05,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966321043] [2022-07-13 02:45:05,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:45:05,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 02:45:05,581 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-13 02:45:05,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1825945505] [2022-07-13 02:45:05,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:45:05,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 02:45:05,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 02:45:05,587 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) [2022-07-13 02:45:05,602 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-13 02:45:05,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:45:05,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-13 02:45:05,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 02:45:05,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 02:45:05,752 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 02:45:05,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 02:45:05,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966321043] [2022-07-13 02:45:05,752 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-13 02:45:05,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1825945505] [2022-07-13 02:45:05,753 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1825945505] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 02:45:05,753 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 02:45:05,753 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-13 02:45:05,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540283412] [2022-07-13 02:45:05,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 02:45:05,754 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 02:45:05,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 02:45:05,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 02:45:05,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 02:45:05,755 INFO L87 Difference]: Start difference. First operand 341 states and 456 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 02:45:05,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 02:45:05,822 INFO L93 Difference]: Finished difference Result 522 states and 688 transitions. [2022-07-13 02:45:05,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 02:45:05,823 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-07-13 02:45:05,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 02:45:05,825 INFO L225 Difference]: With dead ends: 522 [2022-07-13 02:45:05,825 INFO L226 Difference]: Without dead ends: 519 [2022-07-13 02:45:05,826 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 02:45:05,827 INFO L413 NwaCegarLoop]: 383 mSDtfsCounter, 308 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 319 SdHoareTripleChecker+Valid, 715 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 02:45:05,828 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [319 Valid, 715 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 02:45:05,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2022-07-13 02:45:05,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 345. [2022-07-13 02:45:05,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 345 states, 319 states have (on average 1.3385579937304075) internal successors, (427), 336 states have internal predecessors, (427), 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) [2022-07-13 02:45:05,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 459 transitions. [2022-07-13 02:45:05,861 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 459 transitions. Word has length 6 [2022-07-13 02:45:05,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 02:45:05,863 INFO L495 AbstractCegarLoop]: Abstraction has 345 states and 459 transitions. [2022-07-13 02:45:05,864 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 02:45:05,865 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 459 transitions. [2022-07-13 02:45:05,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-07-13 02:45:05,869 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 02:45:05,869 INFO L195 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] [2022-07-13 02:45:05,887 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-13 02:45:06,088 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-07-13 02:45:06,088 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-13 02:45:06,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 02:45:06,089 INFO L85 PathProgramCache]: Analyzing trace with hash 765811442, now seen corresponding path program 1 times [2022-07-13 02:45:06,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 02:45:06,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060833086] [2022-07-13 02:45:06,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:45:06,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 02:45:06,325 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-13 02:45:06,326 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1765316446] [2022-07-13 02:45:06,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:45:06,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 02:45:06,327 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 02:45:06,332 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) [2022-07-13 02:45:06,332 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-13 02:45:07,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:45:07,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 2978 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-13 02:45:07,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 02:45:07,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 02:45:07,122 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 02:45:07,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 02:45:07,123 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060833086] [2022-07-13 02:45:07,123 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-13 02:45:07,123 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1765316446] [2022-07-13 02:45:07,123 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1765316446] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 02:45:07,123 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 02:45:07,123 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 02:45:07,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371936519] [2022-07-13 02:45:07,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 02:45:07,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 02:45:07,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 02:45:07,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 02:45:07,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 02:45:07,125 INFO L87 Difference]: Start difference. First operand 345 states and 459 transitions. Second operand has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 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) [2022-07-13 02:45:07,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 02:45:07,171 INFO L93 Difference]: Finished difference Result 705 states and 943 transitions. [2022-07-13 02:45:07,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 02:45:07,172 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 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 103 [2022-07-13 02:45:07,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 02:45:07,173 INFO L225 Difference]: With dead ends: 705 [2022-07-13 02:45:07,173 INFO L226 Difference]: Without dead ends: 366 [2022-07-13 02:45:07,174 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 02:45:07,175 INFO L413 NwaCegarLoop]: 330 mSDtfsCounter, 9 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 645 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 02:45:07,176 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 645 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 02:45:07,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2022-07-13 02:45:07,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 365. [2022-07-13 02:45:07,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 339 states have (on average 1.3185840707964602) internal successors, (447), 356 states have internal predecessors, (447), 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) [2022-07-13 02:45:07,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 479 transitions. [2022-07-13 02:45:07,184 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 479 transitions. Word has length 103 [2022-07-13 02:45:07,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 02:45:07,185 INFO L495 AbstractCegarLoop]: Abstraction has 365 states and 479 transitions. [2022-07-13 02:45:07,185 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 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) [2022-07-13 02:45:07,185 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 479 transitions. [2022-07-13 02:45:07,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-07-13 02:45:07,187 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 02:45:07,187 INFO L195 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] [2022-07-13 02:45:07,208 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-13 02:45:07,408 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 02:45:07,408 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-13 02:45:07,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 02:45:07,409 INFO L85 PathProgramCache]: Analyzing trace with hash 525571696, now seen corresponding path program 1 times [2022-07-13 02:45:07,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 02:45:07,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010301282] [2022-07-13 02:45:07,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:45:07,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 02:45:07,585 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-13 02:45:07,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2117574093] [2022-07-13 02:45:07,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:45:07,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 02:45:07,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 02:45:07,587 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) [2022-07-13 02:45:07,588 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-13 02:45:08,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:45:08,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 2980 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-13 02:45:08,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 02:45:08,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 02:45:08,491 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 02:45:08,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 02:45:08,491 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010301282] [2022-07-13 02:45:08,492 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-13 02:45:08,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2117574093] [2022-07-13 02:45:08,492 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2117574093] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 02:45:08,492 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 02:45:08,492 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 02:45:08,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921056812] [2022-07-13 02:45:08,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 02:45:08,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 02:45:08,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 02:45:08,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 02:45:08,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 02:45:08,494 INFO L87 Difference]: Start difference. First operand 365 states and 479 transitions. Second operand has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 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) [2022-07-13 02:45:08,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 02:45:08,540 INFO L93 Difference]: Finished difference Result 745 states and 983 transitions. [2022-07-13 02:45:08,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 02:45:08,541 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 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 103 [2022-07-13 02:45:08,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 02:45:08,543 INFO L225 Difference]: With dead ends: 745 [2022-07-13 02:45:08,543 INFO L226 Difference]: Without dead ends: 386 [2022-07-13 02:45:08,544 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 02:45:08,545 INFO L413 NwaCegarLoop]: 330 mSDtfsCounter, 9 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 645 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 02:45:08,545 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 645 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 02:45:08,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2022-07-13 02:45:08,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 385. [2022-07-13 02:45:08,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 385 states, 359 states have (on average 1.3008356545961002) internal successors, (467), 376 states have internal predecessors, (467), 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) [2022-07-13 02:45:08,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 499 transitions. [2022-07-13 02:45:08,555 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 499 transitions. Word has length 103 [2022-07-13 02:45:08,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 02:45:08,556 INFO L495 AbstractCegarLoop]: Abstraction has 385 states and 499 transitions. [2022-07-13 02:45:08,556 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 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) [2022-07-13 02:45:08,556 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 499 transitions. [2022-07-13 02:45:08,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-07-13 02:45:08,558 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 02:45:08,558 INFO L195 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] [2022-07-13 02:45:08,586 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-13 02:45:08,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 02:45:08,763 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-13 02:45:08,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 02:45:08,764 INFO L85 PathProgramCache]: Analyzing trace with hash 919938482, now seen corresponding path program 1 times [2022-07-13 02:45:08,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 02:45:08,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965454370] [2022-07-13 02:45:08,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:45:08,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 02:45:08,899 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-13 02:45:08,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1406056881] [2022-07-13 02:45:08,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:45:08,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 02:45:08,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 02:45:08,901 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) [2022-07-13 02:45:08,940 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-13 02:45:09,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:45:09,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 2982 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-13 02:45:09,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 02:45:09,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 02:45:09,915 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 02:45:09,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 02:45:09,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965454370] [2022-07-13 02:45:09,915 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-13 02:45:09,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1406056881] [2022-07-13 02:45:09,915 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1406056881] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 02:45:09,915 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 02:45:09,915 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-13 02:45:09,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93663176] [2022-07-13 02:45:09,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 02:45:09,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-13 02:45:09,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 02:45:09,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-13 02:45:09,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-13 02:45:09,917 INFO L87 Difference]: Start difference. First operand 385 states and 499 transitions. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 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) [2022-07-13 02:45:09,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 02:45:09,966 INFO L93 Difference]: Finished difference Result 755 states and 983 transitions. [2022-07-13 02:45:09,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-13 02:45:09,967 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 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 103 [2022-07-13 02:45:09,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 02:45:09,968 INFO L225 Difference]: With dead ends: 755 [2022-07-13 02:45:09,968 INFO L226 Difference]: Without dead ends: 376 [2022-07-13 02:45:09,969 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-13 02:45:09,969 INFO L413 NwaCegarLoop]: 331 mSDtfsCounter, 309 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 320 SdHoareTripleChecker+Valid, 677 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 02:45:09,970 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [320 Valid, 677 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 02:45:09,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2022-07-13 02:45:10,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 371. [2022-07-13 02:45:10,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 371 states, 345 states have (on average 1.2927536231884058) internal successors, (446), 362 states have internal predecessors, (446), 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) [2022-07-13 02:45:10,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 478 transitions. [2022-07-13 02:45:10,008 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 478 transitions. Word has length 103 [2022-07-13 02:45:10,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 02:45:10,008 INFO L495 AbstractCegarLoop]: Abstraction has 371 states and 478 transitions. [2022-07-13 02:45:10,008 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 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) [2022-07-13 02:45:10,008 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 478 transitions. [2022-07-13 02:45:10,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-07-13 02:45:10,009 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 02:45:10,009 INFO L195 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] [2022-07-13 02:45:10,032 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-07-13 02:45:10,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 02:45:10,231 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-13 02:45:10,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 02:45:10,232 INFO L85 PathProgramCache]: Analyzing trace with hash 6087360, now seen corresponding path program 1 times [2022-07-13 02:45:10,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 02:45:10,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602623357] [2022-07-13 02:45:10,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:45:10,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 02:45:10,342 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-13 02:45:10,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1012167751] [2022-07-13 02:45:10,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:45:10,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 02:45:10,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 02:45:10,344 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) [2022-07-13 02:45:10,345 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-07-13 02:45:11,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:45:11,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 2968 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-13 02:45:11,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 02:45:11,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 02:45:11,443 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 02:45:11,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 02:45:11,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602623357] [2022-07-13 02:45:11,443 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-13 02:45:11,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1012167751] [2022-07-13 02:45:11,443 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1012167751] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 02:45:11,444 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 02:45:11,444 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-13 02:45:11,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027497190] [2022-07-13 02:45:11,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 02:45:11,444 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-13 02:45:11,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 02:45:11,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-13 02:45:11,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-13 02:45:11,446 INFO L87 Difference]: Start difference. First operand 371 states and 478 transitions. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 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) [2022-07-13 02:45:11,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 02:45:11,512 INFO L93 Difference]: Finished difference Result 816 states and 1050 transitions. [2022-07-13 02:45:11,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-13 02:45:11,513 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 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 103 [2022-07-13 02:45:11,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 02:45:11,514 INFO L225 Difference]: With dead ends: 816 [2022-07-13 02:45:11,514 INFO L226 Difference]: Without dead ends: 451 [2022-07-13 02:45:11,515 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-13 02:45:11,515 INFO L413 NwaCegarLoop]: 427 mSDtfsCounter, 302 mSDsluCounter, 545 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 313 SdHoareTripleChecker+Valid, 972 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-13 02:45:11,516 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [313 Valid, 972 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-13 02:45:11,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2022-07-13 02:45:11,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 357. [2022-07-13 02:45:11,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 331 states have (on average 1.283987915407855) internal successors, (425), 348 states have internal predecessors, (425), 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) [2022-07-13 02:45:11,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 457 transitions. [2022-07-13 02:45:11,524 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 457 transitions. Word has length 103 [2022-07-13 02:45:11,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 02:45:11,524 INFO L495 AbstractCegarLoop]: Abstraction has 357 states and 457 transitions. [2022-07-13 02:45:11,524 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 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) [2022-07-13 02:45:11,525 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 457 transitions. [2022-07-13 02:45:11,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-07-13 02:45:11,525 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 02:45:11,525 INFO L195 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] [2022-07-13 02:45:11,549 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-07-13 02:45:11,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 02:45:11,739 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-13 02:45:11,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 02:45:11,740 INFO L85 PathProgramCache]: Analyzing trace with hash 2030023538, now seen corresponding path program 1 times [2022-07-13 02:45:11,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 02:45:11,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914563654] [2022-07-13 02:45:11,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:45:11,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 02:45:11,857 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-13 02:45:11,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2065264847] [2022-07-13 02:45:11,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:45:11,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 02:45:11,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 02:45:11,859 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) [2022-07-13 02:45:11,860 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-07-13 02:45:12,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:45:13,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 2954 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-13 02:45:13,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 02:45:13,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 02:45:13,124 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 02:45:13,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 02:45:13,125 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914563654] [2022-07-13 02:45:13,125 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-13 02:45:13,125 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2065264847] [2022-07-13 02:45:13,125 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2065264847] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 02:45:13,125 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 02:45:13,125 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 02:45:13,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635701152] [2022-07-13 02:45:13,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 02:45:13,126 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-13 02:45:13,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 02:45:13,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-13 02:45:13,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-13 02:45:13,127 INFO L87 Difference]: Start difference. First operand 357 states and 457 transitions. Second operand has 4 states, 3 states have (on average 34.333333333333336) internal successors, (103), 4 states have internal predecessors, (103), 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) [2022-07-13 02:45:13,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 02:45:13,189 INFO L93 Difference]: Finished difference Result 543 states and 681 transitions. [2022-07-13 02:45:13,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-13 02:45:13,190 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 34.333333333333336) internal successors, (103), 4 states have internal predecessors, (103), 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 103 [2022-07-13 02:45:13,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 02:45:13,193 INFO L225 Difference]: With dead ends: 543 [2022-07-13 02:45:13,193 INFO L226 Difference]: Without dead ends: 542 [2022-07-13 02:45:13,193 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-13 02:45:13,194 INFO L413 NwaCegarLoop]: 366 mSDtfsCounter, 199 mSDsluCounter, 682 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 1048 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 02:45:13,194 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 1048 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 02:45:13,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2022-07-13 02:45:13,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 538. [2022-07-13 02:45:13,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 538 states, 506 states have (on average 1.2529644268774704) internal successors, (634), 523 states have internal predecessors, (634), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 14 states have call predecessors, (22), 22 states have call successors, (22) [2022-07-13 02:45:13,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 678 transitions. [2022-07-13 02:45:13,210 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 678 transitions. Word has length 103 [2022-07-13 02:45:13,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 02:45:13,210 INFO L495 AbstractCegarLoop]: Abstraction has 538 states and 678 transitions. [2022-07-13 02:45:13,210 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 34.333333333333336) internal successors, (103), 4 states have internal predecessors, (103), 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) [2022-07-13 02:45:13,211 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 678 transitions. [2022-07-13 02:45:13,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-07-13 02:45:13,211 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 02:45:13,212 INFO L195 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] [2022-07-13 02:45:13,259 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-07-13 02:45:13,422 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 02:45:13,422 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-13 02:45:13,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 02:45:13,423 INFO L85 PathProgramCache]: Analyzing trace with hash -1493778997, now seen corresponding path program 1 times [2022-07-13 02:45:13,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 02:45:13,423 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989162383] [2022-07-13 02:45:13,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:45:13,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 02:45:13,609 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-13 02:45:13,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2036029010] [2022-07-13 02:45:13,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:45:13,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 02:45:13,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 02:45:13,612 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) [2022-07-13 02:45:13,613 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-07-13 02:45:14,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:45:14,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 2955 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-13 02:45:14,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 02:45:15,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 02:45:15,086 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 02:45:15,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 02:45:15,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989162383] [2022-07-13 02:45:15,087 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-13 02:45:15,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2036029010] [2022-07-13 02:45:15,087 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2036029010] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 02:45:15,087 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 02:45:15,087 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 02:45:15,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703227163] [2022-07-13 02:45:15,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 02:45:15,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-13 02:45:15,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 02:45:15,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-13 02:45:15,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-13 02:45:15,089 INFO L87 Difference]: Start difference. First operand 538 states and 678 transitions. Second operand has 4 states, 3 states have (on average 34.666666666666664) internal successors, (104), 4 states have internal predecessors, (104), 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) [2022-07-13 02:45:15,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 02:45:15,124 INFO L93 Difference]: Finished difference Result 538 states and 678 transitions. [2022-07-13 02:45:15,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-13 02:45:15,125 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 34.666666666666664) internal successors, (104), 4 states have internal predecessors, (104), 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 104 [2022-07-13 02:45:15,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 02:45:15,126 INFO L225 Difference]: With dead ends: 538 [2022-07-13 02:45:15,127 INFO L226 Difference]: Without dead ends: 536 [2022-07-13 02:45:15,127 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-13 02:45:15,128 INFO L413 NwaCegarLoop]: 317 mSDtfsCounter, 202 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 652 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 02:45:15,128 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [213 Valid, 652 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 02:45:15,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2022-07-13 02:45:15,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 535. [2022-07-13 02:45:15,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 535 states, 505 states have (on average 1.2495049504950495) internal successors, (631), 520 states have internal predecessors, (631), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 14 states have call predecessors, (22), 22 states have call successors, (22) [2022-07-13 02:45:15,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 535 states and 675 transitions. [2022-07-13 02:45:15,139 INFO L78 Accepts]: Start accepts. Automaton has 535 states and 675 transitions. Word has length 104 [2022-07-13 02:45:15,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 02:45:15,139 INFO L495 AbstractCegarLoop]: Abstraction has 535 states and 675 transitions. [2022-07-13 02:45:15,139 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 34.666666666666664) internal successors, (104), 4 states have internal predecessors, (104), 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) [2022-07-13 02:45:15,139 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 675 transitions. [2022-07-13 02:45:15,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-07-13 02:45:15,140 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 02:45:15,140 INFO L195 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] [2022-07-13 02:45:15,169 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-07-13 02:45:15,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-07-13 02:45:15,360 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-13 02:45:15,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 02:45:15,360 INFO L85 PathProgramCache]: Analyzing trace with hash -1366065166, now seen corresponding path program 1 times [2022-07-13 02:45:15,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 02:45:15,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381583979] [2022-07-13 02:45:15,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:45:15,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 02:45:15,507 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-13 02:45:15,507 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2023604072] [2022-07-13 02:45:15,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:45:15,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 02:45:15,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 02:45:15,521 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) [2022-07-13 02:45:15,523 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-07-13 02:45:16,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:45:16,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 2984 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-13 02:45:16,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 02:45:17,228 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 02:45:17,228 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 02:45:17,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 02:45:17,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381583979] [2022-07-13 02:45:17,228 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-13 02:45:17,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2023604072] [2022-07-13 02:45:17,229 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2023604072] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 02:45:17,229 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 02:45:17,229 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 02:45:17,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223220291] [2022-07-13 02:45:17,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 02:45:17,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 02:45:17,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 02:45:17,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 02:45:17,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 02:45:17,230 INFO L87 Difference]: Start difference. First operand 535 states and 675 transitions. Second operand has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 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) [2022-07-13 02:45:17,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 02:45:17,283 INFO L93 Difference]: Finished difference Result 1001 states and 1288 transitions. [2022-07-13 02:45:17,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 02:45:17,284 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 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 108 [2022-07-13 02:45:17,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 02:45:17,286 INFO L225 Difference]: With dead ends: 1001 [2022-07-13 02:45:17,286 INFO L226 Difference]: Without dead ends: 613 [2022-07-13 02:45:17,296 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 02:45:17,296 INFO L413 NwaCegarLoop]: 391 mSDtfsCounter, 138 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 703 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 02:45:17,296 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 703 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 02:45:17,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 613 states. [2022-07-13 02:45:17,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 613 to 609. [2022-07-13 02:45:17,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 609 states, 569 states have (on average 1.2688927943760984) internal successors, (722), 594 states have internal predecessors, (722), 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) [2022-07-13 02:45:17,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 609 states and 786 transitions. [2022-07-13 02:45:17,310 INFO L78 Accepts]: Start accepts. Automaton has 609 states and 786 transitions. Word has length 108 [2022-07-13 02:45:17,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 02:45:17,310 INFO L495 AbstractCegarLoop]: Abstraction has 609 states and 786 transitions. [2022-07-13 02:45:17,310 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 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) [2022-07-13 02:45:17,310 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 786 transitions. [2022-07-13 02:45:17,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-07-13 02:45:17,311 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 02:45:17,311 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 02:45:17,341 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-07-13 02:45:17,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 02:45:17,523 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-13 02:45:17,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 02:45:17,524 INFO L85 PathProgramCache]: Analyzing trace with hash -2105513597, now seen corresponding path program 1 times [2022-07-13 02:45:17,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 02:45:17,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237558514] [2022-07-13 02:45:17,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:45:17,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 02:45:17,615 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-13 02:45:17,615 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1555745108] [2022-07-13 02:45:17,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:45:17,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 02:45:17,615 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 02:45:17,616 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) [2022-07-13 02:45:17,633 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-07-13 02:45:18,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:45:19,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 2121 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-13 02:45:19,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 02:45:19,100 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-13 02:45:19,100 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 02:45:19,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 02:45:19,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237558514] [2022-07-13 02:45:19,101 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-13 02:45:19,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1555745108] [2022-07-13 02:45:19,101 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1555745108] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 02:45:19,101 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 02:45:19,101 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 02:45:19,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41148035] [2022-07-13 02:45:19,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 02:45:19,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 02:45:19,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 02:45:19,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 02:45:19,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 02:45:19,103 INFO L87 Difference]: Start difference. First operand 609 states and 786 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 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) [2022-07-13 02:45:19,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 02:45:19,139 INFO L93 Difference]: Finished difference Result 1158 states and 1504 transitions. [2022-07-13 02:45:19,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 02:45:19,141 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 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 123 [2022-07-13 02:45:19,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 02:45:19,145 INFO L225 Difference]: With dead ends: 1158 [2022-07-13 02:45:19,145 INFO L226 Difference]: Without dead ends: 607 [2022-07-13 02:45:19,146 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 02:45:19,146 INFO L413 NwaCegarLoop]: 333 mSDtfsCounter, 15 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 651 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 02:45:19,147 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 651 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 02:45:19,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 607 states. [2022-07-13 02:45:19,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 607 to 607. [2022-07-13 02:45:19,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 607 states, 567 states have (on average 1.2680776014109347) internal successors, (719), 592 states have internal predecessors, (719), 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) [2022-07-13 02:45:19,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 607 states and 783 transitions. [2022-07-13 02:45:19,163 INFO L78 Accepts]: Start accepts. Automaton has 607 states and 783 transitions. Word has length 123 [2022-07-13 02:45:19,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 02:45:19,163 INFO L495 AbstractCegarLoop]: Abstraction has 607 states and 783 transitions. [2022-07-13 02:45:19,164 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 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) [2022-07-13 02:45:19,164 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 783 transitions. [2022-07-13 02:45:19,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-07-13 02:45:19,164 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 02:45:19,165 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2022-07-13 02:45:19,192 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-07-13 02:45:19,392 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-07-13 02:45:19,392 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-13 02:45:19,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 02:45:19,393 INFO L85 PathProgramCache]: Analyzing trace with hash -944295870, now seen corresponding path program 1 times [2022-07-13 02:45:19,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 02:45:19,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691278822] [2022-07-13 02:45:19,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:45:19,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 02:45:19,454 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-13 02:45:19,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1715613748] [2022-07-13 02:45:19,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:45:19,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 02:45:19,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 02:45:19,456 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) [2022-07-13 02:45:19,457 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-07-13 02:46:01,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:46:02,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 1258 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-13 02:46:02,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 02:46:02,060 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-13 02:46:02,060 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 02:46:02,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 02:46:02,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691278822] [2022-07-13 02:46:02,060 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-13 02:46:02,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1715613748] [2022-07-13 02:46:02,060 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1715613748] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 02:46:02,060 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 02:46:02,061 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-13 02:46:02,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603087505] [2022-07-13 02:46:02,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 02:46:02,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-13 02:46:02,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 02:46:02,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-13 02:46:02,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-13 02:46:02,061 INFO L87 Difference]: Start difference. First operand 607 states and 783 transitions. Second operand has 4 states, 4 states have (on average 31.0) internal successors, (124), 4 states have internal predecessors, (124), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-13 02:46:02,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 02:46:02,098 INFO L93 Difference]: Finished difference Result 1165 states and 1523 transitions. [2022-07-13 02:46:02,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-13 02:46:02,098 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.0) internal successors, (124), 4 states have internal predecessors, (124), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 138 [2022-07-13 02:46:02,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 02:46:02,100 INFO L225 Difference]: With dead ends: 1165 [2022-07-13 02:46:02,100 INFO L226 Difference]: Without dead ends: 610 [2022-07-13 02:46:02,101 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-13 02:46:02,102 INFO L413 NwaCegarLoop]: 330 mSDtfsCounter, 2 mSDsluCounter, 653 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 983 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 02:46:02,102 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 983 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 02:46:02,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 610 states. [2022-07-13 02:46:02,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 610 to 610. [2022-07-13 02:46:02,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 610 states, 569 states have (on average 1.2688927943760984) internal successors, (722), 595 states have internal predecessors, (722), 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) [2022-07-13 02:46:02,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 610 states and 790 transitions. [2022-07-13 02:46:02,114 INFO L78 Accepts]: Start accepts. Automaton has 610 states and 790 transitions. Word has length 138 [2022-07-13 02:46:02,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 02:46:02,115 INFO L495 AbstractCegarLoop]: Abstraction has 610 states and 790 transitions. [2022-07-13 02:46:02,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.0) internal successors, (124), 4 states have internal predecessors, (124), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-13 02:46:02,115 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 790 transitions. [2022-07-13 02:46:02,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-07-13 02:46:02,116 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 02:46:02,116 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 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] [2022-07-13 02:46:02,185 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-07-13 02:46:02,331 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-07-13 02:46:02,331 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-13 02:46:02,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 02:46:02,332 INFO L85 PathProgramCache]: Analyzing trace with hash 1074478014, now seen corresponding path program 1 times [2022-07-13 02:46:02,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 02:46:02,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325963791] [2022-07-13 02:46:02,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:46:02,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 02:46:02,393 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-13 02:46:02,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1225433409] [2022-07-13 02:46:02,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:46:02,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 02:46:02,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 02:46:02,399 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 02:46:02,400 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-07-13 02:46:26,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:46:26,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 1318 conjuncts, 12 conjunts are in the unsatisfiable core [2022-07-13 02:46:26,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 02:46:26,908 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 35 proven. 5 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-07-13 02:46:26,909 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-13 02:46:26,989 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 16 proven. 7 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-13 02:46:26,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 02:46:26,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325963791] [2022-07-13 02:46:26,990 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-13 02:46:26,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1225433409] [2022-07-13 02:46:26,990 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1225433409] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-13 02:46:26,990 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-13 02:46:26,990 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-07-13 02:46:26,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490952861] [2022-07-13 02:46:26,991 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-13 02:46:26,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-13 02:46:26,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 02:46:26,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-13 02:46:26,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-13 02:46:26,992 INFO L87 Difference]: Start difference. First operand 610 states and 790 transitions. Second operand has 8 states, 8 states have (on average 16.875) internal successors, (135), 8 states have internal predecessors, (135), 2 states have call successors, (5), 2 states have call predecessors, (5), 4 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-07-13 02:46:27,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 02:46:27,114 INFO L93 Difference]: Finished difference Result 1179 states and 1553 transitions. [2022-07-13 02:46:27,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-13 02:46:27,114 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.875) internal successors, (135), 8 states have internal predecessors, (135), 2 states have call successors, (5), 2 states have call predecessors, (5), 4 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 142 [2022-07-13 02:46:27,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 02:46:27,116 INFO L225 Difference]: With dead ends: 1179 [2022-07-13 02:46:27,116 INFO L226 Difference]: Without dead ends: 619 [2022-07-13 02:46:27,117 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 276 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2022-07-13 02:46:27,117 INFO L413 NwaCegarLoop]: 328 mSDtfsCounter, 19 mSDsluCounter, 647 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 975 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-13 02:46:27,118 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 975 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-13 02:46:27,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 619 states. [2022-07-13 02:46:27,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 619 to 619. [2022-07-13 02:46:27,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 619 states, 577 states have (on average 1.2720970537261698) internal successors, (734), 603 states have internal predecessors, (734), 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) [2022-07-13 02:46:27,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 619 states and 802 transitions. [2022-07-13 02:46:27,131 INFO L78 Accepts]: Start accepts. Automaton has 619 states and 802 transitions. Word has length 142 [2022-07-13 02:46:27,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 02:46:27,131 INFO L495 AbstractCegarLoop]: Abstraction has 619 states and 802 transitions. [2022-07-13 02:46:27,131 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.875) internal successors, (135), 8 states have internal predecessors, (135), 2 states have call successors, (5), 2 states have call predecessors, (5), 4 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-07-13 02:46:27,131 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 802 transitions. [2022-07-13 02:46:27,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-07-13 02:46:27,132 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 02:46:27,132 INFO L195 NwaCegarLoop]: trace histogram [12, 4, 4, 4, 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] [2022-07-13 02:46:27,197 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-07-13 02:46:27,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-07-13 02:46:27,352 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-13 02:46:27,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 02:46:27,352 INFO L85 PathProgramCache]: Analyzing trace with hash -1045069566, now seen corresponding path program 2 times [2022-07-13 02:46:27,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 02:46:27,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260280872] [2022-07-13 02:46:27,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:46:27,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 02:46:27,413 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-13 02:46:27,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [422186013] [2022-07-13 02:46:27,413 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-13 02:46:27,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 02:46:27,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 02:46:27,415 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 02:46:27,416 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-07-13 02:47:21,633 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-13 02:47:21,634 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-13 02:47:21,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 1438 conjuncts, 16 conjunts are in the unsatisfiable core [2022-07-13 02:47:21,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 02:47:21,723 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 68 proven. 10 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-07-13 02:47:21,723 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-13 02:47:21,856 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 4 proven. 71 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2022-07-13 02:47:21,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 02:47:21,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260280872] [2022-07-13 02:47:21,856 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-13 02:47:21,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [422186013] [2022-07-13 02:47:21,856 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [422186013] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-13 02:47:21,856 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-13 02:47:21,856 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 15 [2022-07-13 02:47:21,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404681741] [2022-07-13 02:47:21,856 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-13 02:47:21,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-07-13 02:47:21,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 02:47:21,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-07-13 02:47:21,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2022-07-13 02:47:21,858 INFO L87 Difference]: Start difference. First operand 619 states and 802 transitions. Second operand has 15 states, 15 states have (on average 9.466666666666667) internal successors, (142), 15 states have internal predecessors, (142), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-13 02:47:22,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 02:47:22,458 INFO L93 Difference]: Finished difference Result 1241 states and 1643 transitions. [2022-07-13 02:47:22,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-07-13 02:47:22,458 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 9.466666666666667) internal successors, (142), 15 states have internal predecessors, (142), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) Word has length 150 [2022-07-13 02:47:22,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 02:47:22,461 INFO L225 Difference]: With dead ends: 1241 [2022-07-13 02:47:22,461 INFO L226 Difference]: Without dead ends: 628 [2022-07-13 02:47:22,463 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 311 GetRequests, 285 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=244, Invalid=512, Unknown=0, NotChecked=0, Total=756 [2022-07-13 02:47:22,464 INFO L413 NwaCegarLoop]: 324 mSDtfsCounter, 341 mSDsluCounter, 2259 mSDsCounter, 0 mSdLazyCounter, 338 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 360 SdHoareTripleChecker+Valid, 2583 SdHoareTripleChecker+Invalid, 386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 338 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-13 02:47:22,464 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [360 Valid, 2583 Invalid, 386 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 338 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-13 02:47:22,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 628 states. [2022-07-13 02:47:22,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 628 to 622. [2022-07-13 02:47:22,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 622 states, 580 states have (on average 1.2724137931034483) internal successors, (738), 606 states have internal predecessors, (738), 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) [2022-07-13 02:47:22,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 806 transitions. [2022-07-13 02:47:22,486 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 806 transitions. Word has length 150 [2022-07-13 02:47:22,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 02:47:22,487 INFO L495 AbstractCegarLoop]: Abstraction has 622 states and 806 transitions. [2022-07-13 02:47:22,487 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 9.466666666666667) internal successors, (142), 15 states have internal predecessors, (142), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-13 02:47:22,487 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 806 transitions. [2022-07-13 02:47:22,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2022-07-13 02:47:22,488 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 02:47:22,489 INFO L195 NwaCegarLoop]: trace histogram [30, 4, 4, 4, 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] [2022-07-13 02:47:22,600 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-07-13 02:47:22,689 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-07-13 02:47:22,689 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-13 02:47:22,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 02:47:22,690 INFO L85 PathProgramCache]: Analyzing trace with hash 97262272, now seen corresponding path program 3 times [2022-07-13 02:47:22,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 02:47:22,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496044718] [2022-07-13 02:47:22,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:47:22,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 02:47:22,779 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-13 02:47:22,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1715707829] [2022-07-13 02:47:22,779 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-07-13 02:47:22,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 02:47:22,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 02:47:22,796 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 02:47:22,798 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-07-13 02:47:24,555 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-07-13 02:47:24,555 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-13 02:47:24,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-13 02:47:24,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 02:47:24,709 INFO L134 CoverageAnalysis]: Checked inductivity of 583 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2022-07-13 02:47:24,709 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 02:47:24,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 02:47:24,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496044718] [2022-07-13 02:47:24,710 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-13 02:47:24,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1715707829] [2022-07-13 02:47:24,710 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1715707829] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 02:47:24,710 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 02:47:24,710 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-13 02:47:24,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684062232] [2022-07-13 02:47:24,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 02:47:24,711 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-13 02:47:24,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 02:47:24,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-13 02:47:24,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-07-13 02:47:24,712 INFO L87 Difference]: Start difference. First operand 622 states and 806 transitions. Second operand has 6 states, 5 states have (on average 24.4) internal successors, (122), 6 states have internal predecessors, (122), 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) [2022-07-13 02:47:24,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 02:47:24,797 INFO L93 Difference]: Finished difference Result 627 states and 809 transitions. [2022-07-13 02:47:24,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-13 02:47:24,797 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 24.4) internal successors, (122), 6 states have internal predecessors, (122), 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 168 [2022-07-13 02:47:24,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 02:47:24,800 INFO L225 Difference]: With dead ends: 627 [2022-07-13 02:47:24,800 INFO L226 Difference]: Without dead ends: 624 [2022-07-13 02:47:24,801 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-07-13 02:47:24,801 INFO L413 NwaCegarLoop]: 610 mSDtfsCounter, 766 mSDsluCounter, 914 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 784 SdHoareTripleChecker+Valid, 1524 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-13 02:47:24,802 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [784 Valid, 1524 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-13 02:47:24,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 624 states. [2022-07-13 02:47:24,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 624 to 528. [2022-07-13 02:47:24,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 528 states, 499 states have (on average 1.2404809619238477) internal successors, (619), 512 states have internal predecessors, (619), 22 states have call successors, (22), 3 states have call predecessors, (22), 4 states have return successors, (26), 14 states have call predecessors, (26), 22 states have call successors, (26) [2022-07-13 02:47:24,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 667 transitions. [2022-07-13 02:47:24,821 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 667 transitions. Word has length 168 [2022-07-13 02:47:24,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 02:47:24,822 INFO L495 AbstractCegarLoop]: Abstraction has 528 states and 667 transitions. [2022-07-13 02:47:24,822 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 24.4) internal successors, (122), 6 states have internal predecessors, (122), 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) [2022-07-13 02:47:24,822 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 667 transitions. [2022-07-13 02:47:24,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2022-07-13 02:47:24,824 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 02:47:24,824 INFO L195 NwaCegarLoop]: trace histogram [30, 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] [2022-07-13 02:47:24,854 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-07-13 02:47:25,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 02:47:25,040 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-13 02:47:25,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 02:47:25,040 INFO L85 PathProgramCache]: Analyzing trace with hash -1677640314, now seen corresponding path program 1 times [2022-07-13 02:47:25,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 02:47:25,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550759266] [2022-07-13 02:47:25,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:47:25,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 02:47:25,116 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-13 02:47:25,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [470291650] [2022-07-13 02:47:25,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:47:25,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 02:47:25,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 02:47:25,117 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 02:47:25,119 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-07-13 02:47:26,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:47:26,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 1792 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-13 02:47:26,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 02:47:26,680 INFO L134 CoverageAnalysis]: Checked inductivity of 580 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2022-07-13 02:47:26,680 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 02:47:26,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 02:47:26,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550759266] [2022-07-13 02:47:26,680 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-13 02:47:26,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [470291650] [2022-07-13 02:47:26,680 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [470291650] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 02:47:26,680 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 02:47:26,680 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 02:47:26,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523256149] [2022-07-13 02:47:26,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 02:47:26,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 02:47:26,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 02:47:26,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 02:47:26,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 02:47:26,681 INFO L87 Difference]: Start difference. First operand 528 states and 667 transitions. Second operand has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 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) [2022-07-13 02:47:26,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 02:47:26,727 INFO L93 Difference]: Finished difference Result 708 states and 919 transitions. [2022-07-13 02:47:26,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 02:47:26,728 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 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 206 [2022-07-13 02:47:26,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 02:47:26,730 INFO L225 Difference]: With dead ends: 708 [2022-07-13 02:47:26,730 INFO L226 Difference]: Without dead ends: 570 [2022-07-13 02:47:26,730 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 02:47:26,731 INFO L413 NwaCegarLoop]: 307 mSDtfsCounter, 10 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 599 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 02:47:26,731 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 599 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 02:47:26,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2022-07-13 02:47:26,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 568. [2022-07-13 02:47:26,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 568 states, 539 states have (on average 1.2226345083487942) internal successors, (659), 552 states have internal predecessors, (659), 22 states have call successors, (22), 3 states have call predecessors, (22), 4 states have return successors, (26), 14 states have call predecessors, (26), 22 states have call successors, (26) [2022-07-13 02:47:26,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 568 states and 707 transitions. [2022-07-13 02:47:26,741 INFO L78 Accepts]: Start accepts. Automaton has 568 states and 707 transitions. Word has length 206 [2022-07-13 02:47:26,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 02:47:26,741 INFO L495 AbstractCegarLoop]: Abstraction has 568 states and 707 transitions. [2022-07-13 02:47:26,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 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) [2022-07-13 02:47:26,741 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 707 transitions. [2022-07-13 02:47:26,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2022-07-13 02:47:26,743 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 02:47:26,743 INFO L195 NwaCegarLoop]: trace histogram [30, 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] [2022-07-13 02:47:26,768 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-07-13 02:47:26,955 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-07-13 02:47:26,956 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-13 02:47:26,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 02:47:26,956 INFO L85 PathProgramCache]: Analyzing trace with hash -679204214, now seen corresponding path program 1 times [2022-07-13 02:47:26,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 02:47:26,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740773910] [2022-07-13 02:47:26,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:47:26,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 02:47:27,038 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-13 02:47:27,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1731173200] [2022-07-13 02:47:27,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:47:27,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 02:47:27,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 02:47:27,039 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 02:47:27,040 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-07-13 02:47:28,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:47:28,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 1796 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-13 02:47:28,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 02:47:28,713 INFO L134 CoverageAnalysis]: Checked inductivity of 580 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2022-07-13 02:47:28,713 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 02:47:28,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 02:47:28,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740773910] [2022-07-13 02:47:28,713 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-13 02:47:28,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1731173200] [2022-07-13 02:47:28,713 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1731173200] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 02:47:28,713 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 02:47:28,713 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-13 02:47:28,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803285873] [2022-07-13 02:47:28,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 02:47:28,714 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-13 02:47:28,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 02:47:28,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-13 02:47:28,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-13 02:47:28,714 INFO L87 Difference]: Start difference. First operand 568 states and 707 transitions. Second operand has 4 states, 4 states have (on average 40.0) internal successors, (160), 4 states have internal predecessors, (160), 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) [2022-07-13 02:47:28,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 02:47:28,763 INFO L93 Difference]: Finished difference Result 726 states and 917 transitions. [2022-07-13 02:47:28,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-13 02:47:28,764 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 40.0) internal successors, (160), 4 states have internal predecessors, (160), 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 206 [2022-07-13 02:47:28,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 02:47:28,766 INFO L225 Difference]: With dead ends: 726 [2022-07-13 02:47:28,766 INFO L226 Difference]: Without dead ends: 548 [2022-07-13 02:47:28,766 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-13 02:47:28,767 INFO L413 NwaCegarLoop]: 306 mSDtfsCounter, 85 mSDsluCounter, 526 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 832 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 02:47:28,767 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 832 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 02:47:28,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2022-07-13 02:47:28,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 540. [2022-07-13 02:47:28,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 511 states have (on average 1.2074363992172212) internal successors, (617), 524 states have internal predecessors, (617), 22 states have call successors, (22), 3 states have call predecessors, (22), 4 states have return successors, (26), 14 states have call predecessors, (26), 22 states have call successors, (26) [2022-07-13 02:47:28,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 665 transitions. [2022-07-13 02:47:28,779 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 665 transitions. Word has length 206 [2022-07-13 02:47:28,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 02:47:28,779 INFO L495 AbstractCegarLoop]: Abstraction has 540 states and 665 transitions. [2022-07-13 02:47:28,779 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 40.0) internal successors, (160), 4 states have internal predecessors, (160), 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) [2022-07-13 02:47:28,779 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 665 transitions. [2022-07-13 02:47:28,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2022-07-13 02:47:28,780 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 02:47:28,780 INFO L195 NwaCegarLoop]: trace histogram [30, 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] [2022-07-13 02:47:28,808 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-07-13 02:47:29,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-07-13 02:47:29,004 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-13 02:47:29,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 02:47:29,004 INFO L85 PathProgramCache]: Analyzing trace with hash -1562053060, now seen corresponding path program 1 times [2022-07-13 02:47:29,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 02:47:29,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151726682] [2022-07-13 02:47:29,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:47:29,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 02:47:29,099 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-13 02:47:29,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1337678869] [2022-07-13 02:47:29,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:47:29,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 02:47:29,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 02:47:29,101 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 02:47:29,117 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-07-13 02:47:30,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:47:30,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 1782 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-13 02:47:30,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 02:47:30,804 INFO L134 CoverageAnalysis]: Checked inductivity of 580 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2022-07-13 02:47:30,804 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-13 02:47:30,944 INFO L134 CoverageAnalysis]: Checked inductivity of 580 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2022-07-13 02:47:30,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 02:47:30,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151726682] [2022-07-13 02:47:30,945 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-13 02:47:30,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1337678869] [2022-07-13 02:47:30,945 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1337678869] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-13 02:47:30,945 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-13 02:47:30,945 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-07-13 02:47:30,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369682825] [2022-07-13 02:47:30,945 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-13 02:47:30,946 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-13 02:47:30,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 02:47:30,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-13 02:47:30,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-07-13 02:47:30,947 INFO L87 Difference]: Start difference. First operand 540 states and 665 transitions. Second operand has 8 states, 8 states have (on average 34.25) internal successors, (274), 8 states have internal predecessors, (274), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-13 02:47:31,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 02:47:31,086 INFO L93 Difference]: Finished difference Result 1124 states and 1403 transitions. [2022-07-13 02:47:31,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-13 02:47:31,087 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 34.25) internal successors, (274), 8 states have internal predecessors, (274), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 206 [2022-07-13 02:47:31,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 02:47:31,093 INFO L225 Difference]: With dead ends: 1124 [2022-07-13 02:47:31,093 INFO L226 Difference]: Without dead ends: 972 [2022-07-13 02:47:31,094 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 412 GetRequests, 404 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2022-07-13 02:47:31,094 INFO L413 NwaCegarLoop]: 359 mSDtfsCounter, 846 mSDsluCounter, 1652 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 875 SdHoareTripleChecker+Valid, 2011 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-13 02:47:31,094 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [875 Valid, 2011 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-13 02:47:31,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 972 states. [2022-07-13 02:47:31,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 972 to 725. [2022-07-13 02:47:31,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 725 states, 690 states have (on average 1.201449275362319) internal successors, (829), 703 states have internal predecessors, (829), 28 states have call successors, (28), 3 states have call predecessors, (28), 4 states have return successors, (34), 20 states have call predecessors, (34), 28 states have call successors, (34) [2022-07-13 02:47:31,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 725 states to 725 states and 891 transitions. [2022-07-13 02:47:31,114 INFO L78 Accepts]: Start accepts. Automaton has 725 states and 891 transitions. Word has length 206 [2022-07-13 02:47:31,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 02:47:31,115 INFO L495 AbstractCegarLoop]: Abstraction has 725 states and 891 transitions. [2022-07-13 02:47:31,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 34.25) internal successors, (274), 8 states have internal predecessors, (274), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-13 02:47:31,115 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 891 transitions. [2022-07-13 02:47:31,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2022-07-13 02:47:31,120 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 02:47:31,120 INFO L195 NwaCegarLoop]: trace histogram [30, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 02:47:31,149 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-07-13 02:47:31,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-07-13 02:47:31,343 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-13 02:47:31,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 02:47:31,344 INFO L85 PathProgramCache]: Analyzing trace with hash -1575861038, now seen corresponding path program 1 times [2022-07-13 02:47:31,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 02:47:31,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219666095] [2022-07-13 02:47:31,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:47:31,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 02:47:31,625 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-13 02:47:31,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1190950690] [2022-07-13 02:47:31,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:47:31,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 02:47:31,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 02:47:31,626 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 02:47:31,627 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-07-13 02:47:34,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:47:34,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 7502 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-13 02:47:34,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 02:47:34,790 INFO L134 CoverageAnalysis]: Checked inductivity of 875 backedges. 0 proven. 296 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2022-07-13 02:47:34,790 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-13 02:47:35,103 INFO L134 CoverageAnalysis]: Checked inductivity of 875 backedges. 0 proven. 296 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2022-07-13 02:47:35,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 02:47:35,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219666095] [2022-07-13 02:47:35,104 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-13 02:47:35,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1190950690] [2022-07-13 02:47:35,104 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1190950690] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-13 02:47:35,104 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-13 02:47:35,104 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2022-07-13 02:47:35,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799849477] [2022-07-13 02:47:35,104 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-13 02:47:35,104 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-07-13 02:47:35,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 02:47:35,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-07-13 02:47:35,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2022-07-13 02:47:35,105 INFO L87 Difference]: Start difference. First operand 725 states and 891 transitions. Second operand has 14 states, 13 states have (on average 49.0) internal successors, (637), 14 states have internal predecessors, (637), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-13 02:47:35,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 02:47:35,329 INFO L93 Difference]: Finished difference Result 1158 states and 1440 transitions. [2022-07-13 02:47:35,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-13 02:47:35,330 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 49.0) internal successors, (637), 14 states have internal predecessors, (637), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 367 [2022-07-13 02:47:35,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 02:47:35,333 INFO L225 Difference]: With dead ends: 1158 [2022-07-13 02:47:35,333 INFO L226 Difference]: Without dead ends: 1157 [2022-07-13 02:47:35,334 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 736 GetRequests, 720 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=105, Invalid=201, Unknown=0, NotChecked=0, Total=306 [2022-07-13 02:47:35,334 INFO L413 NwaCegarLoop]: 363 mSDtfsCounter, 1718 mSDsluCounter, 1208 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1749 SdHoareTripleChecker+Valid, 1571 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-13 02:47:35,335 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1749 Valid, 1571 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-13 02:47:35,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1157 states. [2022-07-13 02:47:35,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1157 to 724. [2022-07-13 02:47:35,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 724 states, 690 states have (on average 1.2) internal successors, (828), 702 states have internal predecessors, (828), 28 states have call successors, (28), 3 states have call predecessors, (28), 4 states have return successors, (34), 20 states have call predecessors, (34), 28 states have call successors, (34) [2022-07-13 02:47:35,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 724 states and 890 transitions. [2022-07-13 02:47:35,356 INFO L78 Accepts]: Start accepts. Automaton has 724 states and 890 transitions. Word has length 367 [2022-07-13 02:47:35,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 02:47:35,356 INFO L495 AbstractCegarLoop]: Abstraction has 724 states and 890 transitions. [2022-07-13 02:47:35,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 49.0) internal successors, (637), 14 states have internal predecessors, (637), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-13 02:47:35,356 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 890 transitions. [2022-07-13 02:47:35,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2022-07-13 02:47:35,360 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 02:47:35,360 INFO L195 NwaCegarLoop]: trace histogram [30, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 02:47:35,406 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2022-07-13 02:47:35,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-07-13 02:47:35,576 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-13 02:47:35,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 02:47:35,576 INFO L85 PathProgramCache]: Analyzing trace with hash -1037223794, now seen corresponding path program 1 times [2022-07-13 02:47:35,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 02:47:35,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628201682] [2022-07-13 02:47:35,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:47:35,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 02:47:35,893 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-13 02:47:35,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1769180577] [2022-07-13 02:47:35,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:47:35,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 02:47:35,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 02:47:35,895 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 02:47:35,896 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-07-13 02:47:39,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:47:39,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 7606 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-13 02:47:39,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 02:47:39,491 INFO L134 CoverageAnalysis]: Checked inductivity of 880 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2022-07-13 02:47:39,491 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-13 02:47:39,808 INFO L134 CoverageAnalysis]: Checked inductivity of 880 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2022-07-13 02:47:39,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 02:47:39,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628201682] [2022-07-13 02:47:39,809 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-13 02:47:39,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1769180577] [2022-07-13 02:47:39,809 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1769180577] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-13 02:47:39,809 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-13 02:47:39,809 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2022-07-13 02:47:39,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415458280] [2022-07-13 02:47:39,809 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-13 02:47:39,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-07-13 02:47:39,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 02:47:39,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-07-13 02:47:39,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2022-07-13 02:47:39,811 INFO L87 Difference]: Start difference. First operand 724 states and 890 transitions. Second operand has 16 states, 16 states have (on average 42.625) internal successors, (682), 16 states have internal predecessors, (682), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-13 02:47:40,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 02:47:40,161 INFO L93 Difference]: Finished difference Result 2146 states and 2669 transitions. [2022-07-13 02:47:40,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-13 02:47:40,162 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 42.625) internal successors, (682), 16 states have internal predecessors, (682), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 410 [2022-07-13 02:47:40,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 02:47:40,167 INFO L225 Difference]: With dead ends: 2146 [2022-07-13 02:47:40,167 INFO L226 Difference]: Without dead ends: 1995 [2022-07-13 02:47:40,168 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 824 GetRequests, 804 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=151, Invalid=311, Unknown=0, NotChecked=0, Total=462 [2022-07-13 02:47:40,168 INFO L413 NwaCegarLoop]: 392 mSDtfsCounter, 3891 mSDsluCounter, 2306 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3954 SdHoareTripleChecker+Valid, 2698 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-13 02:47:40,169 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3954 Valid, 2698 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [128 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-13 02:47:40,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1995 states. [2022-07-13 02:47:40,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1995 to 1456. [2022-07-13 02:47:40,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1456 states, 1398 states have (on average 1.1931330472103003) internal successors, (1668), 1410 states have internal predecessors, (1668), 52 states have call successors, (52), 3 states have call predecessors, (52), 4 states have return successors, (66), 44 states have call predecessors, (66), 52 states have call successors, (66) [2022-07-13 02:47:40,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1456 states to 1456 states and 1786 transitions. [2022-07-13 02:47:40,208 INFO L78 Accepts]: Start accepts. Automaton has 1456 states and 1786 transitions. Word has length 410 [2022-07-13 02:47:40,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 02:47:40,208 INFO L495 AbstractCegarLoop]: Abstraction has 1456 states and 1786 transitions. [2022-07-13 02:47:40,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 42.625) internal successors, (682), 16 states have internal predecessors, (682), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-13 02:47:40,209 INFO L276 IsEmpty]: Start isEmpty. Operand 1456 states and 1786 transitions. [2022-07-13 02:47:40,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 819 [2022-07-13 02:47:40,216 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 02:47:40,216 INFO L195 NwaCegarLoop]: trace histogram [30, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 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] [2022-07-13 02:47:40,265 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2022-07-13 02:47:40,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 02:47:40,432 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-13 02:47:40,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 02:47:40,433 INFO L85 PathProgramCache]: Analyzing trace with hash -1782223822, now seen corresponding path program 2 times [2022-07-13 02:47:40,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 02:47:40,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861062063] [2022-07-13 02:47:40,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:47:40,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 02:47:41,187 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-13 02:47:41,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [417718328] [2022-07-13 02:47:41,188 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-13 02:47:41,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 02:47:41,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 02:47:41,189 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 02:47:41,291 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2022-07-13 02:47:45,231 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-13 02:47:45,231 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-13 02:47:45,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-13 02:47:45,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 02:47:46,049 INFO L134 CoverageAnalysis]: Checked inductivity of 2704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2704 trivial. 0 not checked. [2022-07-13 02:47:46,050 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 02:47:46,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 02:47:46,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861062063] [2022-07-13 02:47:46,050 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-13 02:47:46,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [417718328] [2022-07-13 02:47:46,050 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [417718328] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 02:47:46,050 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 02:47:46,050 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-13 02:47:46,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729743441] [2022-07-13 02:47:46,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 02:47:46,051 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-13 02:47:46,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 02:47:46,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-13 02:47:46,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-13 02:47:46,051 INFO L87 Difference]: Start difference. First operand 1456 states and 1786 transitions. Second operand has 4 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 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) [2022-07-13 02:47:46,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 02:47:46,090 INFO L93 Difference]: Finished difference Result 1551 states and 1915 transitions. [2022-07-13 02:47:46,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-13 02:47:46,091 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 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 818 [2022-07-13 02:47:46,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 02:47:46,095 INFO L225 Difference]: With dead ends: 1551 [2022-07-13 02:47:46,095 INFO L226 Difference]: Without dead ends: 1550 [2022-07-13 02:47:46,096 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 818 GetRequests, 815 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-13 02:47:46,096 INFO L413 NwaCegarLoop]: 316 mSDtfsCounter, 130 mSDsluCounter, 409 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 725 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 02:47:46,096 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 725 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 02:47:46,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1550 states. [2022-07-13 02:47:46,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1550 to 1525. [2022-07-13 02:47:46,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1525 states, 1467 states have (on average 1.1922290388548058) internal successors, (1749), 1479 states have internal predecessors, (1749), 52 states have call successors, (52), 3 states have call predecessors, (52), 4 states have return successors, (66), 44 states have call predecessors, (66), 52 states have call successors, (66) [2022-07-13 02:47:46,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1525 states to 1525 states and 1867 transitions. [2022-07-13 02:47:46,168 INFO L78 Accepts]: Start accepts. Automaton has 1525 states and 1867 transitions. Word has length 818 [2022-07-13 02:47:46,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 02:47:46,169 INFO L495 AbstractCegarLoop]: Abstraction has 1525 states and 1867 transitions. [2022-07-13 02:47:46,169 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 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) [2022-07-13 02:47:46,169 INFO L276 IsEmpty]: Start isEmpty. Operand 1525 states and 1867 transitions. [2022-07-13 02:47:46,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 820 [2022-07-13 02:47:46,178 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 02:47:46,179 INFO L195 NwaCegarLoop]: trace histogram [30, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 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] [2022-07-13 02:47:46,213 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2022-07-13 02:47:46,403 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 02:47:46,403 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-13 02:47:46,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 02:47:46,404 INFO L85 PathProgramCache]: Analyzing trace with hash 585637410, now seen corresponding path program 1 times [2022-07-13 02:47:46,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 02:47:46,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502057060] [2022-07-13 02:47:46,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:47:46,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 02:47:47,264 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-13 02:47:47,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1389659262] [2022-07-13 02:47:47,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:47:47,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 02:47:47,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 02:47:47,265 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 02:47:47,266 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2022-07-13 02:47:54,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:47:54,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 19255 conjuncts, 16 conjunts are in the unsatisfiable core [2022-07-13 02:47:54,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 02:47:55,132 INFO L134 CoverageAnalysis]: Checked inductivity of 2704 backedges. 0 proven. 2125 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2022-07-13 02:47:55,132 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-13 02:47:55,834 INFO L134 CoverageAnalysis]: Checked inductivity of 2704 backedges. 0 proven. 2125 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2022-07-13 02:47:55,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 02:47:55,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502057060] [2022-07-13 02:47:55,834 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-13 02:47:55,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1389659262] [2022-07-13 02:47:55,835 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1389659262] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-13 02:47:55,835 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-13 02:47:55,835 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 21 [2022-07-13 02:47:55,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173306059] [2022-07-13 02:47:55,835 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-13 02:47:55,836 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-07-13 02:47:55,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 02:47:55,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-07-13 02:47:55,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=300, Unknown=0, NotChecked=0, Total=420 [2022-07-13 02:47:55,837 INFO L87 Difference]: Start difference. First operand 1525 states and 1867 transitions. Second operand has 21 states, 21 states have (on average 47.38095238095238) internal successors, (995), 21 states have internal predecessors, (995), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-13 02:47:56,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 02:47:56,309 INFO L93 Difference]: Finished difference Result 2909 states and 3604 transitions. [2022-07-13 02:47:56,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-07-13 02:47:56,309 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 47.38095238095238) internal successors, (995), 21 states have internal predecessors, (995), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 819 [2022-07-13 02:47:56,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 02:47:56,316 INFO L225 Difference]: With dead ends: 2909 [2022-07-13 02:47:56,316 INFO L226 Difference]: Without dead ends: 2689 [2022-07-13 02:47:56,317 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1645 GetRequests, 1616 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=273, Invalid=597, Unknown=0, NotChecked=0, Total=870 [2022-07-13 02:47:56,317 INFO L413 NwaCegarLoop]: 415 mSDtfsCounter, 2966 mSDsluCounter, 4836 mSDsCounter, 0 mSdLazyCounter, 436 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3048 SdHoareTripleChecker+Valid, 5251 SdHoareTripleChecker+Invalid, 498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 436 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-13 02:47:56,317 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3048 Valid, 5251 Invalid, 498 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 436 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-13 02:47:56,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2689 states. [2022-07-13 02:47:56,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2689 to 2074. [2022-07-13 02:47:56,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2074 states, 1998 states have (on average 1.1906906906906907) internal successors, (2379), 2010 states have internal predecessors, (2379), 70 states have call successors, (70), 3 states have call predecessors, (70), 4 states have return successors, (90), 62 states have call predecessors, (90), 70 states have call successors, (90) [2022-07-13 02:47:56,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2074 states to 2074 states and 2539 transitions. [2022-07-13 02:47:56,360 INFO L78 Accepts]: Start accepts. Automaton has 2074 states and 2539 transitions. Word has length 819 [2022-07-13 02:47:56,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 02:47:56,360 INFO L495 AbstractCegarLoop]: Abstraction has 2074 states and 2539 transitions. [2022-07-13 02:47:56,361 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 47.38095238095238) internal successors, (995), 21 states have internal predecessors, (995), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-13 02:47:56,361 INFO L276 IsEmpty]: Start isEmpty. Operand 2074 states and 2539 transitions. [2022-07-13 02:47:56,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1126 [2022-07-13 02:47:56,372 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 02:47:56,372 INFO L195 NwaCegarLoop]: trace histogram [30, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 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] [2022-07-13 02:47:56,449 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2022-07-13 02:47:56,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 02:47:56,592 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-13 02:47:56,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 02:47:56,592 INFO L85 PathProgramCache]: Analyzing trace with hash -241024601, now seen corresponding path program 2 times [2022-07-13 02:47:56,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 02:47:56,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145105841] [2022-07-13 02:47:56,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:47:56,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 02:47:57,776 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-13 02:47:57,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [834219547] [2022-07-13 02:47:57,776 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-13 02:47:57,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 02:47:57,776 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 02:47:57,777 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 02:47:57,778 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2022-07-13 02:48:03,774 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-13 02:48:03,774 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-13 02:48:03,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-13 02:48:03,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 02:48:04,889 INFO L134 CoverageAnalysis]: Checked inductivity of 5143 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5143 trivial. 0 not checked. [2022-07-13 02:48:04,889 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 02:48:04,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 02:48:04,890 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145105841] [2022-07-13 02:48:04,890 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-13 02:48:04,890 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [834219547] [2022-07-13 02:48:04,890 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [834219547] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 02:48:04,890 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 02:48:04,890 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-13 02:48:04,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124224063] [2022-07-13 02:48:04,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 02:48:04,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-13 02:48:04,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 02:48:04,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-13 02:48:04,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-13 02:48:04,892 INFO L87 Difference]: Start difference. First operand 2074 states and 2539 transitions. Second operand has 4 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 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) [2022-07-13 02:48:04,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 02:48:04,942 INFO L93 Difference]: Finished difference Result 2074 states and 2539 transitions. [2022-07-13 02:48:04,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-13 02:48:04,942 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 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 1125 [2022-07-13 02:48:04,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 02:48:04,948 INFO L225 Difference]: With dead ends: 2074 [2022-07-13 02:48:04,948 INFO L226 Difference]: Without dead ends: 2073 [2022-07-13 02:48:04,949 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1125 GetRequests, 1122 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-13 02:48:04,949 INFO L413 NwaCegarLoop]: 305 mSDtfsCounter, 151 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 603 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 02:48:04,949 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 603 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 02:48:04,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2073 states. [2022-07-13 02:48:04,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2073 to 2073. [2022-07-13 02:48:04,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2073 states, 1998 states have (on average 1.1896896896896898) internal successors, (2377), 2009 states have internal predecessors, (2377), 70 states have call successors, (70), 3 states have call predecessors, (70), 4 states have return successors, (90), 62 states have call predecessors, (90), 70 states have call successors, (90) [2022-07-13 02:48:04,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2073 states to 2073 states and 2537 transitions. [2022-07-13 02:48:04,995 INFO L78 Accepts]: Start accepts. Automaton has 2073 states and 2537 transitions. Word has length 1125 [2022-07-13 02:48:04,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 02:48:04,995 INFO L495 AbstractCegarLoop]: Abstraction has 2073 states and 2537 transitions. [2022-07-13 02:48:04,996 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 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) [2022-07-13 02:48:04,996 INFO L276 IsEmpty]: Start isEmpty. Operand 2073 states and 2537 transitions. [2022-07-13 02:48:05,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1176 [2022-07-13 02:48:05,008 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 02:48:05,008 INFO L195 NwaCegarLoop]: trace histogram [30, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 02:48:05,057 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2022-07-13 02:48:05,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 02:48:05,235 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-13 02:48:05,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 02:48:05,236 INFO L85 PathProgramCache]: Analyzing trace with hash 1438751536, now seen corresponding path program 1 times [2022-07-13 02:48:05,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 02:48:05,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131780220] [2022-07-13 02:48:05,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:48:05,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 02:48:06,516 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-13 02:48:06,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [574693470] [2022-07-13 02:48:06,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:48:06,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 02:48:06,517 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 02:48:06,518 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 02:48:06,519 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2022-07-13 02:48:17,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:48:17,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 28108 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-13 02:48:17,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 02:48:18,654 INFO L134 CoverageAnalysis]: Checked inductivity of 5183 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 5143 trivial. 0 not checked. [2022-07-13 02:48:18,654 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-13 02:48:19,665 INFO L134 CoverageAnalysis]: Checked inductivity of 5183 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 5143 trivial. 0 not checked. [2022-07-13 02:48:19,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 02:48:19,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131780220] [2022-07-13 02:48:19,665 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-13 02:48:19,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [574693470] [2022-07-13 02:48:19,665 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [574693470] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-13 02:48:19,665 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-13 02:48:19,666 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 9 [2022-07-13 02:48:19,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725322005] [2022-07-13 02:48:19,666 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-13 02:48:19,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-13 02:48:19,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 02:48:19,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-13 02:48:19,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-07-13 02:48:19,667 INFO L87 Difference]: Start difference. First operand 2073 states and 2537 transitions. Second operand has 10 states, 9 states have (on average 47.77777777777778) internal successors, (430), 10 states have internal predecessors, (430), 4 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2022-07-13 02:48:19,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 02:48:19,877 INFO L93 Difference]: Finished difference Result 2520 states and 3097 transitions. [2022-07-13 02:48:19,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-13 02:48:19,878 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 47.77777777777778) internal successors, (430), 10 states have internal predecessors, (430), 4 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 1175 [2022-07-13 02:48:19,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 02:48:19,892 INFO L225 Difference]: With dead ends: 2520 [2022-07-13 02:48:19,893 INFO L226 Difference]: Without dead ends: 2519 [2022-07-13 02:48:19,893 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2355 GetRequests, 2340 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=173, Unknown=0, NotChecked=0, Total=272 [2022-07-13 02:48:19,894 INFO L413 NwaCegarLoop]: 311 mSDtfsCounter, 590 mSDsluCounter, 668 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 595 SdHoareTripleChecker+Valid, 979 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-13 02:48:19,894 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [595 Valid, 979 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-13 02:48:19,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2519 states. [2022-07-13 02:48:19,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2519 to 2517. [2022-07-13 02:48:19,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2517 states, 2409 states have (on average 1.190950601909506) internal successors, (2869), 2450 states have internal predecessors, (2869), 100 states have call successors, (100), 6 states have call predecessors, (100), 7 states have return successors, (120), 68 states have call predecessors, (120), 100 states have call successors, (120) [2022-07-13 02:48:19,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2517 states to 2517 states and 3089 transitions. [2022-07-13 02:48:19,978 INFO L78 Accepts]: Start accepts. Automaton has 2517 states and 3089 transitions. Word has length 1175 [2022-07-13 02:48:19,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 02:48:19,984 INFO L495 AbstractCegarLoop]: Abstraction has 2517 states and 3089 transitions. [2022-07-13 02:48:19,990 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 47.77777777777778) internal successors, (430), 10 states have internal predecessors, (430), 4 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2022-07-13 02:48:19,991 INFO L276 IsEmpty]: Start isEmpty. Operand 2517 states and 3089 transitions. [2022-07-13 02:48:20,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1329 [2022-07-13 02:48:20,016 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 02:48:20,016 INFO L195 NwaCegarLoop]: trace histogram [30, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-07-13 02:48:20,141 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2022-07-13 02:48:20,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 02:48:20,232 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-13 02:48:20,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 02:48:20,232 INFO L85 PathProgramCache]: Analyzing trace with hash 1331651149, now seen corresponding path program 2 times [2022-07-13 02:48:20,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 02:48:20,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315270954] [2022-07-13 02:48:20,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:48:20,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 02:48:21,491 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-13 02:48:21,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1968357002] [2022-07-13 02:48:21,491 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-13 02:48:21,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 02:48:21,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 02:48:21,493 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 02:48:21,493 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2022-07-13 02:48:30,094 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-13 02:48:30,094 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-13 02:48:30,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-13 02:48:30,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 02:48:30,156 INFO L134 CoverageAnalysis]: Checked inductivity of 5609 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 5589 trivial. 0 not checked. [2022-07-13 02:48:30,156 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 02:48:30,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 02:48:30,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315270954] [2022-07-13 02:48:30,156 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-13 02:48:30,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1968357002] [2022-07-13 02:48:30,156 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1968357002] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 02:48:30,156 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 02:48:30,156 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 02:48:30,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443763111] [2022-07-13 02:48:30,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 02:48:30,157 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 02:48:30,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 02:48:30,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 02:48:30,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 02:48:30,158 INFO L87 Difference]: Start difference. First operand 2517 states and 3089 transitions. Second operand has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 3 states have internal predecessors, (181), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-07-13 02:48:30,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 02:48:30,214 INFO L93 Difference]: Finished difference Result 2904 states and 3570 transitions. [2022-07-13 02:48:30,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 02:48:30,214 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 3 states have internal predecessors, (181), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 1328 [2022-07-13 02:48:30,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 02:48:30,221 INFO L225 Difference]: With dead ends: 2904 [2022-07-13 02:48:30,221 INFO L226 Difference]: Without dead ends: 2257 [2022-07-13 02:48:30,223 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1327 GetRequests, 1326 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 02:48:30,224 INFO L413 NwaCegarLoop]: 317 mSDtfsCounter, 8 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 616 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 02:48:30,224 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 616 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 02:48:30,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2257 states. [2022-07-13 02:48:30,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2257 to 2257. [2022-07-13 02:48:30,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2257 states, 2169 states have (on average 1.1839557399723375) internal successors, (2568), 2190 states have internal predecessors, (2568), 80 states have call successors, (80), 6 states have call predecessors, (80), 7 states have return successors, (100), 64 states have call predecessors, (100), 80 states have call successors, (100) [2022-07-13 02:48:30,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2257 states to 2257 states and 2748 transitions. [2022-07-13 02:48:30,296 INFO L78 Accepts]: Start accepts. Automaton has 2257 states and 2748 transitions. Word has length 1328 [2022-07-13 02:48:30,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 02:48:30,296 INFO L495 AbstractCegarLoop]: Abstraction has 2257 states and 2748 transitions. [2022-07-13 02:48:30,297 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 3 states have internal predecessors, (181), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-07-13 02:48:30,297 INFO L276 IsEmpty]: Start isEmpty. Operand 2257 states and 2748 transitions. [2022-07-13 02:48:30,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1389 [2022-07-13 02:48:30,317 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 02:48:30,317 INFO L195 NwaCegarLoop]: trace histogram [30, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-07-13 02:48:30,395 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2022-07-13 02:48:30,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 02:48:30,532 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-13 02:48:30,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 02:48:30,532 INFO L85 PathProgramCache]: Analyzing trace with hash 1336558764, now seen corresponding path program 1 times [2022-07-13 02:48:30,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 02:48:30,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198484719] [2022-07-13 02:48:30,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:48:30,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 02:48:31,900 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-13 02:48:31,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1837225923] [2022-07-13 02:48:31,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:48:31,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 02:48:31,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 02:48:31,901 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 02:48:31,902 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2022-07-13 02:48:45,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:48:45,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 28647 conjuncts, 11 conjunts are in the unsatisfiable core [2022-07-13 02:48:45,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 02:48:46,698 INFO L134 CoverageAnalysis]: Checked inductivity of 5729 backedges. 0 proven. 586 refuted. 0 times theorem prover too weak. 5143 trivial. 0 not checked. [2022-07-13 02:48:46,699 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-13 02:48:48,069 INFO L134 CoverageAnalysis]: Checked inductivity of 5729 backedges. 0 proven. 562 refuted. 0 times theorem prover too weak. 5167 trivial. 0 not checked. [2022-07-13 02:48:48,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 02:48:48,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198484719] [2022-07-13 02:48:48,070 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-13 02:48:48,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1837225923] [2022-07-13 02:48:48,070 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1837225923] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-13 02:48:48,070 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-13 02:48:48,071 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 21 [2022-07-13 02:48:48,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289490011] [2022-07-13 02:48:48,071 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-13 02:48:48,072 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-07-13 02:48:48,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 02:48:48,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-07-13 02:48:48,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2022-07-13 02:48:48,073 INFO L87 Difference]: Start difference. First operand 2257 states and 2748 transitions. Second operand has 22 states, 21 states have (on average 39.76190476190476) internal successors, (835), 22 states have internal predecessors, (835), 10 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (16), 10 states have call predecessors, (16), 10 states have call successors, (16) [2022-07-13 02:48:48,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 02:48:48,663 INFO L93 Difference]: Finished difference Result 2763 states and 3361 transitions. [2022-07-13 02:48:48,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-07-13 02:48:48,664 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 39.76190476190476) internal successors, (835), 22 states have internal predecessors, (835), 10 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (16), 10 states have call predecessors, (16), 10 states have call successors, (16) Word has length 1388 [2022-07-13 02:48:48,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 02:48:48,671 INFO L225 Difference]: With dead ends: 2763 [2022-07-13 02:48:48,671 INFO L226 Difference]: Without dead ends: 2762 [2022-07-13 02:48:48,673 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2793 GetRequests, 2754 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 289 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=549, Invalid=1091, Unknown=0, NotChecked=0, Total=1640 [2022-07-13 02:48:48,673 INFO L413 NwaCegarLoop]: 307 mSDtfsCounter, 1430 mSDsluCounter, 1740 mSDsCounter, 0 mSdLazyCounter, 416 mSolverCounterSat, 275 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1435 SdHoareTripleChecker+Valid, 2047 SdHoareTripleChecker+Invalid, 691 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 275 IncrementalHoareTripleChecker+Valid, 416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-13 02:48:48,677 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1435 Valid, 2047 Invalid, 691 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [275 Valid, 416 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-13 02:48:48,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2762 states. [2022-07-13 02:48:48,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2762 to 2761. [2022-07-13 02:48:48,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2761 states, 2637 states have (on average 1.180887372013652) internal successors, (3114), 2688 states have internal predecessors, (3114), 110 states have call successors, (110), 12 states have call predecessors, (110), 13 states have return successors, (130), 70 states have call predecessors, (130), 110 states have call successors, (130) [2022-07-13 02:48:48,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2761 states to 2761 states and 3354 transitions. [2022-07-13 02:48:48,787 INFO L78 Accepts]: Start accepts. Automaton has 2761 states and 3354 transitions. Word has length 1388 [2022-07-13 02:48:48,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 02:48:48,788 INFO L495 AbstractCegarLoop]: Abstraction has 2761 states and 3354 transitions. [2022-07-13 02:48:48,789 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 39.76190476190476) internal successors, (835), 22 states have internal predecessors, (835), 10 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (16), 10 states have call predecessors, (16), 10 states have call successors, (16) [2022-07-13 02:48:48,789 INFO L276 IsEmpty]: Start isEmpty. Operand 2761 states and 3354 transitions. [2022-07-13 02:48:48,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1767 [2022-07-13 02:48:48,817 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 02:48:48,818 INFO L195 NwaCegarLoop]: trace histogram [30, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 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] [2022-07-13 02:48:49,006 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2022-07-13 02:48:49,035 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2022-07-13 02:48:49,036 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-13 02:48:49,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 02:48:49,036 INFO L85 PathProgramCache]: Analyzing trace with hash 1879205676, now seen corresponding path program 2 times [2022-07-13 02:48:49,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 02:48:49,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185162864] [2022-07-13 02:48:49,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:48:49,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 02:48:50,712 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-13 02:48:50,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1298361555] [2022-07-13 02:48:50,713 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-13 02:48:50,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 02:48:50,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 02:48:50,715 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 02:48:50,716 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2022-07-13 02:49:06,125 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-13 02:49:06,125 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-13 02:49:06,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 29577 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-13 02:49:06,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 02:49:06,630 INFO L134 CoverageAnalysis]: Checked inductivity of 8498 backedges. 2430 proven. 0 refuted. 0 times theorem prover too weak. 6068 trivial. 0 not checked. [2022-07-13 02:49:06,631 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 02:49:06,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 02:49:06,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185162864] [2022-07-13 02:49:06,631 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-13 02:49:06,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1298361555] [2022-07-13 02:49:06,631 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1298361555] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 02:49:06,631 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 02:49:06,632 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-13 02:49:06,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249450578] [2022-07-13 02:49:06,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 02:49:06,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-13 02:49:06,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 02:49:06,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-13 02:49:06,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2022-07-13 02:49:06,633 INFO L87 Difference]: Start difference. First operand 2761 states and 3354 transitions. Second operand has 8 states, 8 states have (on average 60.25) internal successors, (482), 8 states have internal predecessors, (482), 7 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 7 states have call predecessors, (10), 7 states have call successors, (10) [2022-07-13 02:49:06,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 02:49:06,762 INFO L93 Difference]: Finished difference Result 2761 states and 3354 transitions. [2022-07-13 02:49:06,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-13 02:49:06,762 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 60.25) internal successors, (482), 8 states have internal predecessors, (482), 7 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 7 states have call predecessors, (10), 7 states have call successors, (10) Word has length 1766 [2022-07-13 02:49:06,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 02:49:06,763 INFO L225 Difference]: With dead ends: 2761 [2022-07-13 02:49:06,763 INFO L226 Difference]: Without dead ends: 0 [2022-07-13 02:49:06,766 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1765 GetRequests, 1759 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2022-07-13 02:49:06,767 INFO L413 NwaCegarLoop]: 686 mSDtfsCounter, 311 mSDsluCounter, 1651 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 337 SdHoareTripleChecker+Valid, 2337 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-13 02:49:06,767 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [337 Valid, 2337 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-13 02:49:06,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-13 02:49:06,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-13 02:49:06,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2022-07-13 02:49:06,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-13 02:49:06,768 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1766 [2022-07-13 02:49:06,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 02:49:06,768 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-13 02:49:06,768 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 60.25) internal successors, (482), 8 states have internal predecessors, (482), 7 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 7 states have call predecessors, (10), 7 states have call successors, (10) [2022-07-13 02:49:06,768 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-13 02:49:06,769 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-13 02:49:06,770 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2022-07-13 02:49:06,771 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2022-07-13 02:49:06,771 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2022-07-13 02:49:06,771 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2022-07-13 02:49:06,771 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining) [2022-07-13 02:49:06,771 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining) [2022-07-13 02:49:06,771 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2022-07-13 02:49:06,771 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2022-07-13 02:49:06,772 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2022-07-13 02:49:06,772 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2022-07-13 02:49:06,922 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2022-07-13 02:49:06,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2022-07-13 02:49:07,000 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.