./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/bitvector/s3_srvr_1a.BV.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c3fed411 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/bitvector/s3_srvr_1a.BV.c.cil.c -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 a3777e2ab1819fd82e3658352e2b99c7da6626d046ae65288a9623558224827f --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-19 15:15:11,512 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-19 15:15:11,513 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-19 15:15:11,585 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-19 15:15:11,586 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-19 15:15:11,586 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-19 15:15:11,587 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-19 15:15:11,593 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-19 15:15:11,594 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-19 15:15:11,598 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-19 15:15:11,598 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-19 15:15:11,599 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-19 15:15:11,600 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-19 15:15:11,602 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-19 15:15:11,603 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-19 15:15:11,604 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-19 15:15:11,605 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-19 15:15:11,606 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-19 15:15:11,608 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-19 15:15:11,612 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-19 15:15:11,613 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-19 15:15:11,614 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-19 15:15:11,615 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-19 15:15:11,616 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-19 15:15:11,621 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-19 15:15:11,621 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-19 15:15:11,621 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-19 15:15:11,623 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-19 15:15:11,623 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-19 15:15:11,624 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-19 15:15:11,624 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-19 15:15:11,625 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-19 15:15:11,626 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-19 15:15:11,628 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-19 15:15:11,628 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-19 15:15:11,629 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-19 15:15:11,629 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-19 15:15:11,629 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-19 15:15:11,630 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-19 15:15:11,630 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-19 15:15:11,631 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-19 15:15:11,632 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2021-12-19 15:15:11,658 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-19 15:15:11,658 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-19 15:15:11,659 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-19 15:15:11,659 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-19 15:15:11,660 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-19 15:15:11,660 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-19 15:15:11,660 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-19 15:15:11,661 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-19 15:15:11,661 INFO L138 SettingsManager]: * Use SBE=true [2021-12-19 15:15:11,661 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-19 15:15:11,662 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-19 15:15:11,662 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-19 15:15:11,662 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-19 15:15:11,662 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-19 15:15:11,662 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-19 15:15:11,663 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-19 15:15:11,663 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-19 15:15:11,663 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-19 15:15:11,663 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-12-19 15:15:11,663 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-19 15:15:11,663 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-19 15:15:11,664 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-19 15:15:11,664 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-19 15:15:11,664 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-19 15:15:11,664 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-19 15:15:11,664 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-19 15:15:11,664 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-19 15:15:11,665 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-19 15:15:11,665 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-19 15:15:11,665 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-19 15:15:11,665 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-19 15:15:11,665 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-19 15:15:11,666 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-19 15:15:11,666 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-19 15:15:11,666 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a3777e2ab1819fd82e3658352e2b99c7da6626d046ae65288a9623558224827f [2021-12-19 15:15:11,892 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-19 15:15:11,919 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-19 15:15:11,922 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-19 15:15:11,923 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-19 15:15:11,923 INFO L275 PluginConnector]: CDTParser initialized [2021-12-19 15:15:11,925 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/s3_srvr_1a.BV.c.cil.c [2021-12-19 15:15:11,984 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc4a5b755/5a131d1d47704083a1af44227dd90203/FLAGda461f1e7 [2021-12-19 15:15:12,360 INFO L306 CDTParser]: Found 1 translation units. [2021-12-19 15:15:12,366 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/s3_srvr_1a.BV.c.cil.c [2021-12-19 15:15:12,374 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc4a5b755/5a131d1d47704083a1af44227dd90203/FLAGda461f1e7 [2021-12-19 15:15:12,384 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc4a5b755/5a131d1d47704083a1af44227dd90203 [2021-12-19 15:15:12,391 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-19 15:15:12,392 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-19 15:15:12,398 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-19 15:15:12,398 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-19 15:15:12,401 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-19 15:15:12,402 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 03:15:12" (1/1) ... [2021-12-19 15:15:12,403 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39e5d97c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:15:12, skipping insertion in model container [2021-12-19 15:15:12,403 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 03:15:12" (1/1) ... [2021-12-19 15:15:12,408 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-19 15:15:12,431 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-19 15:15:12,597 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/bitvector/s3_srvr_1a.BV.c.cil.c[44949,44962] [2021-12-19 15:15:12,601 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-19 15:15:12,606 INFO L203 MainTranslator]: Completed pre-run [2021-12-19 15:15:12,651 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/bitvector/s3_srvr_1a.BV.c.cil.c[44949,44962] [2021-12-19 15:15:12,654 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-19 15:15:12,665 INFO L208 MainTranslator]: Completed translation [2021-12-19 15:15:12,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:15:12 WrapperNode [2021-12-19 15:15:12,671 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-19 15:15:12,672 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-19 15:15:12,672 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-19 15:15:12,672 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-19 15:15:12,685 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:15:12" (1/1) ... [2021-12-19 15:15:12,693 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:15:12" (1/1) ... [2021-12-19 15:15:12,721 INFO L137 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 525 [2021-12-19 15:15:12,721 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-19 15:15:12,722 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-19 15:15:12,722 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-19 15:15:12,722 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-19 15:15:12,729 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:15:12" (1/1) ... [2021-12-19 15:15:12,729 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:15:12" (1/1) ... [2021-12-19 15:15:12,732 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:15:12" (1/1) ... [2021-12-19 15:15:12,732 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:15:12" (1/1) ... [2021-12-19 15:15:12,738 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:15:12" (1/1) ... [2021-12-19 15:15:12,744 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:15:12" (1/1) ... [2021-12-19 15:15:12,746 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:15:12" (1/1) ... [2021-12-19 15:15:12,750 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-19 15:15:12,751 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-19 15:15:12,751 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-19 15:15:12,751 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-19 15:15:12,766 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:15:12" (1/1) ... [2021-12-19 15:15:12,773 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-19 15:15:12,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 15:15:12,800 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) [2021-12-19 15:15:12,802 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 [2021-12-19 15:15:12,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-19 15:15:12,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-19 15:15:12,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-19 15:15:12,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-19 15:15:12,905 INFO L236 CfgBuilder]: Building ICFG [2021-12-19 15:15:12,907 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-19 15:15:12,920 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-19 15:15:13,273 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2021-12-19 15:15:13,273 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2021-12-19 15:15:13,274 INFO L277 CfgBuilder]: Performing block encoding [2021-12-19 15:15:13,280 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-19 15:15:13,280 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-19 15:15:13,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 03:15:13 BoogieIcfgContainer [2021-12-19 15:15:13,282 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-19 15:15:13,290 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-19 15:15:13,291 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-19 15:15:13,293 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-19 15:15:13,293 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.12 03:15:12" (1/3) ... [2021-12-19 15:15:13,294 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@747a85c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 03:15:13, skipping insertion in model container [2021-12-19 15:15:13,294 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:15:12" (2/3) ... [2021-12-19 15:15:13,294 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@747a85c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 03:15:13, skipping insertion in model container [2021-12-19 15:15:13,294 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 03:15:13" (3/3) ... [2021-12-19 15:15:13,295 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_1a.BV.c.cil.c [2021-12-19 15:15:13,299 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-19 15:15:13,299 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-12-19 15:15:13,349 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-19 15:15:13,354 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-19 15:15:13,354 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-12-19 15:15:13,373 INFO L276 IsEmpty]: Start isEmpty. Operand has 147 states, 142 states have (on average 1.732394366197183) internal successors, (246), 146 states have internal predecessors, (246), 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) [2021-12-19 15:15:13,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-12-19 15:15:13,384 INFO L506 BasicCegarLoop]: Found error trace [2021-12-19 15:15:13,384 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-19 15:15:13,385 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-12-19 15:15:13,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 15:15:13,390 INFO L85 PathProgramCache]: Analyzing trace with hash -580333898, now seen corresponding path program 1 times [2021-12-19 15:15:13,396 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 15:15:13,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194133231] [2021-12-19 15:15:13,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 15:15:13,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 15:15:13,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 15:15:13,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 15:15:13,595 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 15:15:13,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194133231] [2021-12-19 15:15:13,595 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194133231] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 15:15:13,596 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 15:15:13,596 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-19 15:15:13,597 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853980590] [2021-12-19 15:15:13,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 15:15:13,600 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-19 15:15:13,600 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-19 15:15:13,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-19 15:15:13,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-19 15:15:13,622 INFO L87 Difference]: Start difference. First operand has 147 states, 142 states have (on average 1.732394366197183) internal successors, (246), 146 states have internal predecessors, (246), 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) Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2021-12-19 15:15:13,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-19 15:15:13,792 INFO L93 Difference]: Finished difference Result 315 states and 527 transitions. [2021-12-19 15:15:13,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-19 15:15:13,794 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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 18 [2021-12-19 15:15:13,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-19 15:15:13,800 INFO L225 Difference]: With dead ends: 315 [2021-12-19 15:15:13,801 INFO L226 Difference]: Without dead ends: 153 [2021-12-19 15:15:13,803 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-19 15:15:13,805 INFO L933 BasicCegarLoop]: 244 mSDtfsCounter, 44 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-19 15:15:13,806 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [44 Valid, 373 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-19 15:15:13,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2021-12-19 15:15:13,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 150. [2021-12-19 15:15:13,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 146 states have (on average 1.5273972602739727) internal successors, (223), 149 states have internal predecessors, (223), 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) [2021-12-19 15:15:13,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 223 transitions. [2021-12-19 15:15:13,849 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 223 transitions. Word has length 18 [2021-12-19 15:15:13,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-19 15:15:13,849 INFO L470 AbstractCegarLoop]: Abstraction has 150 states and 223 transitions. [2021-12-19 15:15:13,850 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2021-12-19 15:15:13,850 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 223 transitions. [2021-12-19 15:15:13,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-12-19 15:15:13,850 INFO L506 BasicCegarLoop]: Found error trace [2021-12-19 15:15:13,851 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-19 15:15:13,851 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-19 15:15:13,851 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-12-19 15:15:13,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 15:15:13,851 INFO L85 PathProgramCache]: Analyzing trace with hash 572587353, now seen corresponding path program 1 times [2021-12-19 15:15:13,852 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 15:15:13,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060245895] [2021-12-19 15:15:13,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 15:15:13,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 15:15:13,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 15:15:13,903 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 15:15:13,904 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 15:15:13,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060245895] [2021-12-19 15:15:13,904 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060245895] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 15:15:13,904 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 15:15:13,904 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-19 15:15:13,904 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560064901] [2021-12-19 15:15:13,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 15:15:13,905 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-19 15:15:13,905 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-19 15:15:13,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-19 15:15:13,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-19 15:15:13,906 INFO L87 Difference]: Start difference. First operand 150 states and 223 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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) [2021-12-19 15:15:14,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-19 15:15:14,059 INFO L93 Difference]: Finished difference Result 349 states and 534 transitions. [2021-12-19 15:15:14,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-19 15:15:14,060 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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 34 [2021-12-19 15:15:14,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-19 15:15:14,062 INFO L225 Difference]: With dead ends: 349 [2021-12-19 15:15:14,062 INFO L226 Difference]: Without dead ends: 195 [2021-12-19 15:15:14,063 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-19 15:15:14,064 INFO L933 BasicCegarLoop]: 153 mSDtfsCounter, 92 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-19 15:15:14,064 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [92 Valid, 232 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-19 15:15:14,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2021-12-19 15:15:14,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 190. [2021-12-19 15:15:14,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 186 states have (on average 1.5) internal successors, (279), 189 states have internal predecessors, (279), 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) [2021-12-19 15:15:14,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 279 transitions. [2021-12-19 15:15:14,076 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 279 transitions. Word has length 34 [2021-12-19 15:15:14,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-19 15:15:14,076 INFO L470 AbstractCegarLoop]: Abstraction has 190 states and 279 transitions. [2021-12-19 15:15:14,076 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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) [2021-12-19 15:15:14,077 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 279 transitions. [2021-12-19 15:15:14,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-12-19 15:15:14,078 INFO L506 BasicCegarLoop]: Found error trace [2021-12-19 15:15:14,078 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-12-19 15:15:14,078 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-19 15:15:14,078 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-12-19 15:15:14,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 15:15:14,079 INFO L85 PathProgramCache]: Analyzing trace with hash 179349169, now seen corresponding path program 1 times [2021-12-19 15:15:14,079 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 15:15:14,079 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618777042] [2021-12-19 15:15:14,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 15:15:14,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 15:15:14,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 15:15:14,114 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 15:15:14,114 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 15:15:14,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618777042] [2021-12-19 15:15:14,114 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618777042] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 15:15:14,115 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 15:15:14,115 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-19 15:15:14,115 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668012743] [2021-12-19 15:15:14,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 15:15:14,116 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-19 15:15:14,116 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-19 15:15:14,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-19 15:15:14,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-19 15:15:14,117 INFO L87 Difference]: Start difference. First operand 190 states and 279 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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) [2021-12-19 15:15:14,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-19 15:15:14,277 INFO L93 Difference]: Finished difference Result 447 states and 673 transitions. [2021-12-19 15:15:14,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-19 15:15:14,291 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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 36 [2021-12-19 15:15:14,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-19 15:15:14,293 INFO L225 Difference]: With dead ends: 447 [2021-12-19 15:15:14,293 INFO L226 Difference]: Without dead ends: 255 [2021-12-19 15:15:14,293 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-19 15:15:14,310 INFO L933 BasicCegarLoop]: 148 mSDtfsCounter, 134 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-19 15:15:14,311 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [134 Valid, 195 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-19 15:15:14,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2021-12-19 15:15:14,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 242. [2021-12-19 15:15:14,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 238 states have (on average 1.4873949579831933) internal successors, (354), 241 states have internal predecessors, (354), 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) [2021-12-19 15:15:14,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 354 transitions. [2021-12-19 15:15:14,326 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 354 transitions. Word has length 36 [2021-12-19 15:15:14,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-19 15:15:14,326 INFO L470 AbstractCegarLoop]: Abstraction has 242 states and 354 transitions. [2021-12-19 15:15:14,327 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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) [2021-12-19 15:15:14,327 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 354 transitions. [2021-12-19 15:15:14,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-12-19 15:15:14,328 INFO L506 BasicCegarLoop]: Found error trace [2021-12-19 15:15:14,328 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 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] [2021-12-19 15:15:14,328 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-19 15:15:14,328 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-12-19 15:15:14,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 15:15:14,328 INFO L85 PathProgramCache]: Analyzing trace with hash 299492484, now seen corresponding path program 1 times [2021-12-19 15:15:14,328 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 15:15:14,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411196211] [2021-12-19 15:15:14,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 15:15:14,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 15:15:14,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 15:15:14,399 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-12-19 15:15:14,399 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 15:15:14,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411196211] [2021-12-19 15:15:14,400 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411196211] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 15:15:14,400 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 15:15:14,400 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-19 15:15:14,400 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945657777] [2021-12-19 15:15:14,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 15:15:14,401 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-19 15:15:14,401 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-19 15:15:14,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-19 15:15:14,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-19 15:15:14,402 INFO L87 Difference]: Start difference. First operand 242 states and 354 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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) [2021-12-19 15:15:14,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-19 15:15:14,522 INFO L93 Difference]: Finished difference Result 524 states and 774 transitions. [2021-12-19 15:15:14,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-19 15:15:14,523 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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 55 [2021-12-19 15:15:14,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-19 15:15:14,524 INFO L225 Difference]: With dead ends: 524 [2021-12-19 15:15:14,524 INFO L226 Difference]: Without dead ends: 287 [2021-12-19 15:15:14,525 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-19 15:15:14,525 INFO L933 BasicCegarLoop]: 135 mSDtfsCounter, 154 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-19 15:15:14,526 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [154 Valid, 168 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-19 15:15:14,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2021-12-19 15:15:14,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 282. [2021-12-19 15:15:14,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 278 states have (on average 1.5) internal successors, (417), 281 states have internal predecessors, (417), 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) [2021-12-19 15:15:14,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 417 transitions. [2021-12-19 15:15:14,534 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 417 transitions. Word has length 55 [2021-12-19 15:15:14,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-19 15:15:14,534 INFO L470 AbstractCegarLoop]: Abstraction has 282 states and 417 transitions. [2021-12-19 15:15:14,535 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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) [2021-12-19 15:15:14,535 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 417 transitions. [2021-12-19 15:15:14,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-12-19 15:15:14,536 INFO L506 BasicCegarLoop]: Found error trace [2021-12-19 15:15:14,536 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-19 15:15:14,536 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-19 15:15:14,537 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-12-19 15:15:14,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 15:15:14,537 INFO L85 PathProgramCache]: Analyzing trace with hash 200932885, now seen corresponding path program 1 times [2021-12-19 15:15:14,537 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 15:15:14,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8525897] [2021-12-19 15:15:14,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 15:15:14,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 15:15:14,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 15:15:14,584 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-12-19 15:15:14,584 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 15:15:14,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8525897] [2021-12-19 15:15:14,584 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8525897] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 15:15:14,584 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 15:15:14,584 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-19 15:15:14,584 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785989835] [2021-12-19 15:15:14,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 15:15:14,585 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-19 15:15:14,585 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-19 15:15:14,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-19 15:15:14,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-19 15:15:14,586 INFO L87 Difference]: Start difference. First operand 282 states and 417 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 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) [2021-12-19 15:15:14,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-19 15:15:14,681 INFO L93 Difference]: Finished difference Result 610 states and 910 transitions. [2021-12-19 15:15:14,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-19 15:15:14,682 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 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 83 [2021-12-19 15:15:14,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-19 15:15:14,683 INFO L225 Difference]: With dead ends: 610 [2021-12-19 15:15:14,683 INFO L226 Difference]: Without dead ends: 336 [2021-12-19 15:15:14,684 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-19 15:15:14,684 INFO L933 BasicCegarLoop]: 192 mSDtfsCounter, 54 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-19 15:15:14,685 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [54 Valid, 284 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-19 15:15:14,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2021-12-19 15:15:14,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 330. [2021-12-19 15:15:14,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 326 states have (on average 1.4110429447852761) internal successors, (460), 329 states have internal predecessors, (460), 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) [2021-12-19 15:15:14,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 460 transitions. [2021-12-19 15:15:14,692 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 460 transitions. Word has length 83 [2021-12-19 15:15:14,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-19 15:15:14,692 INFO L470 AbstractCegarLoop]: Abstraction has 330 states and 460 transitions. [2021-12-19 15:15:14,692 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 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) [2021-12-19 15:15:14,693 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 460 transitions. [2021-12-19 15:15:14,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-12-19 15:15:14,694 INFO L506 BasicCegarLoop]: Found error trace [2021-12-19 15:15:14,694 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-19 15:15:14,694 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-19 15:15:14,695 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-12-19 15:15:14,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 15:15:14,695 INFO L85 PathProgramCache]: Analyzing trace with hash -1848454957, now seen corresponding path program 1 times [2021-12-19 15:15:14,695 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 15:15:14,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267680252] [2021-12-19 15:15:14,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 15:15:14,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 15:15:14,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 15:15:14,743 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-12-19 15:15:14,743 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 15:15:14,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267680252] [2021-12-19 15:15:14,759 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267680252] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 15:15:14,760 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 15:15:14,760 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-19 15:15:14,760 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125002430] [2021-12-19 15:15:14,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 15:15:14,760 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-19 15:15:14,760 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-19 15:15:14,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-19 15:15:14,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-19 15:15:14,761 INFO L87 Difference]: Start difference. First operand 330 states and 460 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 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) [2021-12-19 15:15:14,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-19 15:15:14,828 INFO L93 Difference]: Finished difference Result 678 states and 943 transitions. [2021-12-19 15:15:14,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-19 15:15:14,828 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 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 83 [2021-12-19 15:15:14,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-19 15:15:14,830 INFO L225 Difference]: With dead ends: 678 [2021-12-19 15:15:14,830 INFO L226 Difference]: Without dead ends: 356 [2021-12-19 15:15:14,831 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-19 15:15:14,834 INFO L933 BasicCegarLoop]: 211 mSDtfsCounter, 13 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-19 15:15:14,837 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 315 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-19 15:15:14,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2021-12-19 15:15:14,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 353. [2021-12-19 15:15:14,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 349 states have (on average 1.3982808022922637) internal successors, (488), 352 states have internal predecessors, (488), 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) [2021-12-19 15:15:14,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 488 transitions. [2021-12-19 15:15:14,852 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 488 transitions. Word has length 83 [2021-12-19 15:15:14,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-19 15:15:14,852 INFO L470 AbstractCegarLoop]: Abstraction has 353 states and 488 transitions. [2021-12-19 15:15:14,852 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 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) [2021-12-19 15:15:14,852 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 488 transitions. [2021-12-19 15:15:14,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-12-19 15:15:14,857 INFO L506 BasicCegarLoop]: Found error trace [2021-12-19 15:15:14,857 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-19 15:15:14,857 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-19 15:15:14,858 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-12-19 15:15:14,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 15:15:14,858 INFO L85 PathProgramCache]: Analyzing trace with hash 1170306787, now seen corresponding path program 1 times [2021-12-19 15:15:14,858 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 15:15:14,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185831298] [2021-12-19 15:15:14,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 15:15:14,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 15:15:14,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 15:15:14,913 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-12-19 15:15:14,914 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 15:15:14,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185831298] [2021-12-19 15:15:14,914 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185831298] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 15:15:14,914 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 15:15:14,914 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-19 15:15:14,914 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765694767] [2021-12-19 15:15:14,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 15:15:14,915 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-19 15:15:14,915 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-19 15:15:14,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-19 15:15:14,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-19 15:15:14,916 INFO L87 Difference]: Start difference. First operand 353 states and 488 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 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) [2021-12-19 15:15:15,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-19 15:15:15,012 INFO L93 Difference]: Finished difference Result 707 states and 976 transitions. [2021-12-19 15:15:15,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-19 15:15:15,012 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 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 95 [2021-12-19 15:15:15,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-19 15:15:15,015 INFO L225 Difference]: With dead ends: 707 [2021-12-19 15:15:15,015 INFO L226 Difference]: Without dead ends: 361 [2021-12-19 15:15:15,016 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-19 15:15:15,018 INFO L933 BasicCegarLoop]: 133 mSDtfsCounter, 160 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-19 15:15:15,018 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [160 Valid, 161 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-19 15:15:15,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2021-12-19 15:15:15,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 356. [2021-12-19 15:15:15,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 352 states have (on average 1.3920454545454546) internal successors, (490), 355 states have internal predecessors, (490), 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) [2021-12-19 15:15:15,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 490 transitions. [2021-12-19 15:15:15,029 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 490 transitions. Word has length 95 [2021-12-19 15:15:15,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-19 15:15:15,030 INFO L470 AbstractCegarLoop]: Abstraction has 356 states and 490 transitions. [2021-12-19 15:15:15,030 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 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) [2021-12-19 15:15:15,031 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 490 transitions. [2021-12-19 15:15:15,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-12-19 15:15:15,032 INFO L506 BasicCegarLoop]: Found error trace [2021-12-19 15:15:15,033 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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] [2021-12-19 15:15:15,033 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-19 15:15:15,033 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-12-19 15:15:15,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 15:15:15,039 INFO L85 PathProgramCache]: Analyzing trace with hash 546758657, now seen corresponding path program 1 times [2021-12-19 15:15:15,039 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 15:15:15,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944723236] [2021-12-19 15:15:15,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 15:15:15,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 15:15:15,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 15:15:15,094 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-12-19 15:15:15,094 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 15:15:15,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944723236] [2021-12-19 15:15:15,094 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944723236] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 15:15:15,095 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 15:15:15,095 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-19 15:15:15,095 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756876749] [2021-12-19 15:15:15,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 15:15:15,096 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-19 15:15:15,096 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-19 15:15:15,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-19 15:15:15,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-19 15:15:15,096 INFO L87 Difference]: Start difference. First operand 356 states and 490 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 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) [2021-12-19 15:15:15,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-19 15:15:15,182 INFO L93 Difference]: Finished difference Result 741 states and 1023 transitions. [2021-12-19 15:15:15,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-19 15:15:15,183 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 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 [2021-12-19 15:15:15,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-19 15:15:15,184 INFO L225 Difference]: With dead ends: 741 [2021-12-19 15:15:15,185 INFO L226 Difference]: Without dead ends: 393 [2021-12-19 15:15:15,185 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-19 15:15:15,186 INFO L933 BasicCegarLoop]: 210 mSDtfsCounter, 29 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-19 15:15:15,186 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [29 Valid, 314 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-19 15:15:15,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2021-12-19 15:15:15,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 381. [2021-12-19 15:15:15,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 377 states have (on average 1.3793103448275863) internal successors, (520), 380 states have internal predecessors, (520), 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) [2021-12-19 15:15:15,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 520 transitions. [2021-12-19 15:15:15,195 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 520 transitions. Word has length 103 [2021-12-19 15:15:15,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-19 15:15:15,195 INFO L470 AbstractCegarLoop]: Abstraction has 381 states and 520 transitions. [2021-12-19 15:15:15,195 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 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) [2021-12-19 15:15:15,195 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 520 transitions. [2021-12-19 15:15:15,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-12-19 15:15:15,196 INFO L506 BasicCegarLoop]: Found error trace [2021-12-19 15:15:15,196 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 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] [2021-12-19 15:15:15,197 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-19 15:15:15,197 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-12-19 15:15:15,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 15:15:15,197 INFO L85 PathProgramCache]: Analyzing trace with hash -827281483, now seen corresponding path program 1 times [2021-12-19 15:15:15,197 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 15:15:15,197 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358632582] [2021-12-19 15:15:15,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 15:15:15,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 15:15:15,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 15:15:15,226 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2021-12-19 15:15:15,226 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 15:15:15,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358632582] [2021-12-19 15:15:15,226 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [358632582] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 15:15:15,226 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 15:15:15,227 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-19 15:15:15,227 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587401808] [2021-12-19 15:15:15,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 15:15:15,227 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-19 15:15:15,227 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-19 15:15:15,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-19 15:15:15,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-19 15:15:15,228 INFO L87 Difference]: Start difference. First operand 381 states and 520 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 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) [2021-12-19 15:15:15,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-19 15:15:15,242 INFO L93 Difference]: Finished difference Result 1121 states and 1524 transitions. [2021-12-19 15:15:15,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-19 15:15:15,242 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 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 129 [2021-12-19 15:15:15,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-19 15:15:15,244 INFO L225 Difference]: With dead ends: 1121 [2021-12-19 15:15:15,244 INFO L226 Difference]: Without dead ends: 748 [2021-12-19 15:15:15,245 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-19 15:15:15,245 INFO L933 BasicCegarLoop]: 283 mSDtfsCounter, 173 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 478 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-19 15:15:15,245 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [173 Valid, 478 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-19 15:15:15,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2021-12-19 15:15:15,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 382. [2021-12-19 15:15:15,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 382 states, 378 states have (on average 1.3783068783068784) internal successors, (521), 381 states have internal predecessors, (521), 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) [2021-12-19 15:15:15,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 521 transitions. [2021-12-19 15:15:15,254 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 521 transitions. Word has length 129 [2021-12-19 15:15:15,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-19 15:15:15,254 INFO L470 AbstractCegarLoop]: Abstraction has 382 states and 521 transitions. [2021-12-19 15:15:15,254 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 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) [2021-12-19 15:15:15,254 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 521 transitions. [2021-12-19 15:15:15,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-12-19 15:15:15,255 INFO L506 BasicCegarLoop]: Found error trace [2021-12-19 15:15:15,255 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 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] [2021-12-19 15:15:15,255 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-19 15:15:15,255 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-12-19 15:15:15,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 15:15:15,256 INFO L85 PathProgramCache]: Analyzing trace with hash -1909522283, now seen corresponding path program 1 times [2021-12-19 15:15:15,256 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 15:15:15,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106442799] [2021-12-19 15:15:15,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 15:15:15,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 15:15:15,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 15:15:15,288 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2021-12-19 15:15:15,288 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 15:15:15,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106442799] [2021-12-19 15:15:15,288 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106442799] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 15:15:15,288 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 15:15:15,288 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-19 15:15:15,289 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153418152] [2021-12-19 15:15:15,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 15:15:15,289 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-19 15:15:15,289 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-19 15:15:15,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-19 15:15:15,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-19 15:15:15,289 INFO L87 Difference]: Start difference. First operand 382 states and 521 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 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) [2021-12-19 15:15:15,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-19 15:15:15,361 INFO L93 Difference]: Finished difference Result 790 states and 1081 transitions. [2021-12-19 15:15:15,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-19 15:15:15,362 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 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 129 [2021-12-19 15:15:15,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-19 15:15:15,363 INFO L225 Difference]: With dead ends: 790 [2021-12-19 15:15:15,363 INFO L226 Difference]: Without dead ends: 416 [2021-12-19 15:15:15,363 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-19 15:15:15,364 INFO L933 BasicCegarLoop]: 210 mSDtfsCounter, 18 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-19 15:15:15,364 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 314 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-19 15:15:15,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2021-12-19 15:15:15,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 409. [2021-12-19 15:15:15,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 405 states have (on average 1.365432098765432) internal successors, (553), 408 states have internal predecessors, (553), 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) [2021-12-19 15:15:15,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 553 transitions. [2021-12-19 15:15:15,370 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 553 transitions. Word has length 129 [2021-12-19 15:15:15,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-19 15:15:15,370 INFO L470 AbstractCegarLoop]: Abstraction has 409 states and 553 transitions. [2021-12-19 15:15:15,370 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 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) [2021-12-19 15:15:15,370 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 553 transitions. [2021-12-19 15:15:15,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-12-19 15:15:15,371 INFO L506 BasicCegarLoop]: Found error trace [2021-12-19 15:15:15,371 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 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] [2021-12-19 15:15:15,371 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-19 15:15:15,371 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-12-19 15:15:15,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 15:15:15,372 INFO L85 PathProgramCache]: Analyzing trace with hash -2022983776, now seen corresponding path program 1 times [2021-12-19 15:15:15,372 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 15:15:15,372 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060336104] [2021-12-19 15:15:15,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 15:15:15,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 15:15:15,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 15:15:15,398 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-12-19 15:15:15,398 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 15:15:15,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060336104] [2021-12-19 15:15:15,398 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060336104] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 15:15:15,398 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 15:15:15,398 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-19 15:15:15,398 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255637689] [2021-12-19 15:15:15,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 15:15:15,398 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-19 15:15:15,399 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-19 15:15:15,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-19 15:15:15,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-19 15:15:15,399 INFO L87 Difference]: Start difference. First operand 409 states and 553 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 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) [2021-12-19 15:15:15,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-19 15:15:15,501 INFO L93 Difference]: Finished difference Result 842 states and 1140 transitions. [2021-12-19 15:15:15,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-19 15:15:15,502 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 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 130 [2021-12-19 15:15:15,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-19 15:15:15,503 INFO L225 Difference]: With dead ends: 842 [2021-12-19 15:15:15,503 INFO L226 Difference]: Without dead ends: 441 [2021-12-19 15:15:15,503 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-19 15:15:15,504 INFO L933 BasicCegarLoop]: 147 mSDtfsCounter, 161 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-19 15:15:15,504 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [161 Valid, 169 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-19 15:15:15,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2021-12-19 15:15:15,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 423. [2021-12-19 15:15:15,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 423 states, 419 states have (on average 1.3651551312649164) internal successors, (572), 422 states have internal predecessors, (572), 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) [2021-12-19 15:15:15,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 572 transitions. [2021-12-19 15:15:15,511 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 572 transitions. Word has length 130 [2021-12-19 15:15:15,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-19 15:15:15,511 INFO L470 AbstractCegarLoop]: Abstraction has 423 states and 572 transitions. [2021-12-19 15:15:15,511 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 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) [2021-12-19 15:15:15,511 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 572 transitions. [2021-12-19 15:15:15,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2021-12-19 15:15:15,512 INFO L506 BasicCegarLoop]: Found error trace [2021-12-19 15:15:15,512 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 3, 3, 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] [2021-12-19 15:15:15,512 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-19 15:15:15,512 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-12-19 15:15:15,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 15:15:15,513 INFO L85 PathProgramCache]: Analyzing trace with hash -1842116836, now seen corresponding path program 1 times [2021-12-19 15:15:15,513 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 15:15:15,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378927863] [2021-12-19 15:15:15,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 15:15:15,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 15:15:15,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 15:15:15,536 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-12-19 15:15:15,536 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 15:15:15,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378927863] [2021-12-19 15:15:15,536 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378927863] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 15:15:15,536 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 15:15:15,537 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-19 15:15:15,537 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905115911] [2021-12-19 15:15:15,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 15:15:15,537 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-19 15:15:15,537 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-19 15:15:15,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-19 15:15:15,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-19 15:15:15,537 INFO L87 Difference]: Start difference. First operand 423 states and 572 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 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) [2021-12-19 15:15:15,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-19 15:15:15,614 INFO L93 Difference]: Finished difference Result 870 states and 1176 transitions. [2021-12-19 15:15:15,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-19 15:15:15,614 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 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 143 [2021-12-19 15:15:15,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-19 15:15:15,616 INFO L225 Difference]: With dead ends: 870 [2021-12-19 15:15:15,616 INFO L226 Difference]: Without dead ends: 455 [2021-12-19 15:15:15,616 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-19 15:15:15,617 INFO L933 BasicCegarLoop]: 220 mSDtfsCounter, 42 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-19 15:15:15,617 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [42 Valid, 317 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-19 15:15:15,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2021-12-19 15:15:15,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 444. [2021-12-19 15:15:15,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 444 states, 440 states have (on average 1.3590909090909091) internal successors, (598), 443 states have internal predecessors, (598), 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) [2021-12-19 15:15:15,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 598 transitions. [2021-12-19 15:15:15,625 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 598 transitions. Word has length 143 [2021-12-19 15:15:15,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-19 15:15:15,625 INFO L470 AbstractCegarLoop]: Abstraction has 444 states and 598 transitions. [2021-12-19 15:15:15,625 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 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) [2021-12-19 15:15:15,625 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 598 transitions. [2021-12-19 15:15:15,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2021-12-19 15:15:15,626 INFO L506 BasicCegarLoop]: Found error trace [2021-12-19 15:15:15,626 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 3, 3, 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] [2021-12-19 15:15:15,626 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-19 15:15:15,626 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-12-19 15:15:15,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 15:15:15,627 INFO L85 PathProgramCache]: Analyzing trace with hash -877621738, now seen corresponding path program 1 times [2021-12-19 15:15:15,627 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 15:15:15,627 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775824811] [2021-12-19 15:15:15,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 15:15:15,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 15:15:15,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 15:15:15,662 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 110 proven. 5 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-12-19 15:15:15,663 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 15:15:15,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775824811] [2021-12-19 15:15:15,663 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775824811] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-19 15:15:15,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [781943733] [2021-12-19 15:15:15,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 15:15:15,663 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-19 15:15:15,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 15:15:15,665 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) [2021-12-19 15:15:15,666 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-19 15:15:15,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 15:15:15,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-19 15:15:15,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-19 15:15:16,075 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 110 proven. 5 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-12-19 15:15:16,075 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-19 15:15:16,265 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 110 proven. 5 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-12-19 15:15:16,265 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [781943733] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-19 15:15:16,265 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-19 15:15:16,265 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2021-12-19 15:15:16,265 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906246876] [2021-12-19 15:15:16,265 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-19 15:15:16,266 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-19 15:15:16,266 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-19 15:15:16,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-19 15:15:16,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-19 15:15:16,266 INFO L87 Difference]: Start difference. First operand 444 states and 598 transitions. Second operand has 6 states, 6 states have (on average 21.833333333333332) internal successors, (131), 6 states have internal predecessors, (131), 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) [2021-12-19 15:15:16,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-19 15:15:16,712 INFO L93 Difference]: Finished difference Result 1844 states and 2509 transitions. [2021-12-19 15:15:16,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-19 15:15:16,713 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 21.833333333333332) internal successors, (131), 6 states have internal predecessors, (131), 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 157 [2021-12-19 15:15:16,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-19 15:15:16,717 INFO L225 Difference]: With dead ends: 1844 [2021-12-19 15:15:16,717 INFO L226 Difference]: Without dead ends: 1373 [2021-12-19 15:15:16,718 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 324 GetRequests, 316 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2021-12-19 15:15:16,719 INFO L933 BasicCegarLoop]: 248 mSDtfsCounter, 699 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 548 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 699 SdHoareTripleChecker+Valid, 609 SdHoareTripleChecker+Invalid, 659 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-19 15:15:16,719 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [699 Valid, 609 Invalid, 659 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 548 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-19 15:15:16,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1373 states. [2021-12-19 15:15:16,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1373 to 1151. [2021-12-19 15:15:16,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1151 states, 1147 states have (on average 1.3905841325196164) internal successors, (1595), 1150 states have internal predecessors, (1595), 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) [2021-12-19 15:15:16,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1151 states to 1151 states and 1595 transitions. [2021-12-19 15:15:16,742 INFO L78 Accepts]: Start accepts. Automaton has 1151 states and 1595 transitions. Word has length 157 [2021-12-19 15:15:16,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-19 15:15:16,742 INFO L470 AbstractCegarLoop]: Abstraction has 1151 states and 1595 transitions. [2021-12-19 15:15:16,742 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.833333333333332) internal successors, (131), 6 states have internal predecessors, (131), 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) [2021-12-19 15:15:16,742 INFO L276 IsEmpty]: Start isEmpty. Operand 1151 states and 1595 transitions. [2021-12-19 15:15:16,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2021-12-19 15:15:16,743 INFO L506 BasicCegarLoop]: Found error trace [2021-12-19 15:15:16,743 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 3, 3, 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] [2021-12-19 15:15:16,767 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-19 15:15:16,954 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-12-19 15:15:16,954 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-12-19 15:15:16,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 15:15:16,955 INFO L85 PathProgramCache]: Analyzing trace with hash -1902183378, now seen corresponding path program 1 times [2021-12-19 15:15:16,955 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 15:15:16,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986755410] [2021-12-19 15:15:16,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 15:15:16,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 15:15:16,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 15:15:16,989 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 120 proven. 7 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-12-19 15:15:16,989 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 15:15:16,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986755410] [2021-12-19 15:15:16,990 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986755410] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-19 15:15:16,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [852611410] [2021-12-19 15:15:16,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 15:15:16,990 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-19 15:15:16,990 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 15:15:16,991 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) [2021-12-19 15:15:17,019 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-19 15:15:17,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 15:15:17,080 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-19 15:15:17,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-19 15:15:17,262 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 120 proven. 7 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-12-19 15:15:17,262 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-19 15:15:17,394 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 120 proven. 7 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-12-19 15:15:17,395 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [852611410] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-19 15:15:17,395 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-19 15:15:17,395 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2021-12-19 15:15:17,397 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126607104] [2021-12-19 15:15:17,397 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-19 15:15:17,397 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-19 15:15:17,397 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-19 15:15:17,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-19 15:15:17,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-19 15:15:17,398 INFO L87 Difference]: Start difference. First operand 1151 states and 1595 transitions. Second operand has 6 states, 6 states have (on average 22.5) internal successors, (135), 6 states have internal predecessors, (135), 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) [2021-12-19 15:15:17,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-19 15:15:17,817 INFO L93 Difference]: Finished difference Result 3308 states and 4501 transitions. [2021-12-19 15:15:17,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-19 15:15:17,818 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 22.5) internal successors, (135), 6 states have internal predecessors, (135), 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 159 [2021-12-19 15:15:17,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-19 15:15:17,824 INFO L225 Difference]: With dead ends: 3308 [2021-12-19 15:15:17,824 INFO L226 Difference]: Without dead ends: 2165 [2021-12-19 15:15:17,826 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 320 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2021-12-19 15:15:17,826 INFO L933 BasicCegarLoop]: 347 mSDtfsCounter, 693 mSDsluCounter, 512 mSDsCounter, 0 mSdLazyCounter, 569 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 693 SdHoareTripleChecker+Valid, 859 SdHoareTripleChecker+Invalid, 676 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 569 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-19 15:15:17,826 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [693 Valid, 859 Invalid, 676 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 569 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-19 15:15:17,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2165 states. [2021-12-19 15:15:17,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2165 to 1830. [2021-12-19 15:15:17,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1830 states, 1826 states have (on average 1.345564074479737) internal successors, (2457), 1829 states have internal predecessors, (2457), 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) [2021-12-19 15:15:17,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1830 states to 1830 states and 2457 transitions. [2021-12-19 15:15:17,884 INFO L78 Accepts]: Start accepts. Automaton has 1830 states and 2457 transitions. Word has length 159 [2021-12-19 15:15:17,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-19 15:15:17,885 INFO L470 AbstractCegarLoop]: Abstraction has 1830 states and 2457 transitions. [2021-12-19 15:15:17,885 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.5) internal successors, (135), 6 states have internal predecessors, (135), 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) [2021-12-19 15:15:17,885 INFO L276 IsEmpty]: Start isEmpty. Operand 1830 states and 2457 transitions. [2021-12-19 15:15:17,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-12-19 15:15:17,887 INFO L506 BasicCegarLoop]: Found error trace [2021-12-19 15:15:17,887 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1] [2021-12-19 15:15:17,909 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-19 15:15:18,104 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-12-19 15:15:18,105 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-12-19 15:15:18,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 15:15:18,105 INFO L85 PathProgramCache]: Analyzing trace with hash 2140887848, now seen corresponding path program 1 times [2021-12-19 15:15:18,105 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 15:15:18,105 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851767376] [2021-12-19 15:15:18,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 15:15:18,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 15:15:18,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 15:15:18,133 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 159 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2021-12-19 15:15:18,134 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 15:15:18,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851767376] [2021-12-19 15:15:18,134 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851767376] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 15:15:18,134 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 15:15:18,134 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-19 15:15:18,134 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508196594] [2021-12-19 15:15:18,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 15:15:18,135 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-19 15:15:18,135 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-19 15:15:18,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-19 15:15:18,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-19 15:15:18,136 INFO L87 Difference]: Start difference. First operand 1830 states and 2457 transitions. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 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) [2021-12-19 15:15:18,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-19 15:15:18,175 INFO L93 Difference]: Finished difference Result 4776 states and 6426 transitions. [2021-12-19 15:15:18,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-19 15:15:18,176 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 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 169 [2021-12-19 15:15:18,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-19 15:15:18,184 INFO L225 Difference]: With dead ends: 4776 [2021-12-19 15:15:18,184 INFO L226 Difference]: Without dead ends: 2954 [2021-12-19 15:15:18,187 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-19 15:15:18,188 INFO L933 BasicCegarLoop]: 342 mSDtfsCounter, 135 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 535 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-19 15:15:18,188 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [135 Valid, 535 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-19 15:15:18,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2954 states. [2021-12-19 15:15:18,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2954 to 2722. [2021-12-19 15:15:18,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2722 states, 2718 states have (on average 1.3532008830022075) internal successors, (3678), 2721 states have internal predecessors, (3678), 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) [2021-12-19 15:15:18,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2722 states to 2722 states and 3678 transitions. [2021-12-19 15:15:18,250 INFO L78 Accepts]: Start accepts. Automaton has 2722 states and 3678 transitions. Word has length 169 [2021-12-19 15:15:18,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-19 15:15:18,251 INFO L470 AbstractCegarLoop]: Abstraction has 2722 states and 3678 transitions. [2021-12-19 15:15:18,251 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 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) [2021-12-19 15:15:18,252 INFO L276 IsEmpty]: Start isEmpty. Operand 2722 states and 3678 transitions. [2021-12-19 15:15:18,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-12-19 15:15:18,253 INFO L506 BasicCegarLoop]: Found error trace [2021-12-19 15:15:18,253 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 4, 4, 3, 3, 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] [2021-12-19 15:15:18,253 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-19 15:15:18,253 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-12-19 15:15:18,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 15:15:18,254 INFO L85 PathProgramCache]: Analyzing trace with hash -1887904878, now seen corresponding path program 1 times [2021-12-19 15:15:18,254 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 15:15:18,254 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858356294] [2021-12-19 15:15:18,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 15:15:18,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 15:15:18,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 15:15:18,289 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 197 proven. 0 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2021-12-19 15:15:18,290 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 15:15:18,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858356294] [2021-12-19 15:15:18,290 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858356294] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 15:15:18,290 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 15:15:18,290 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-19 15:15:18,290 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976030447] [2021-12-19 15:15:18,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 15:15:18,291 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-19 15:15:18,291 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-19 15:15:18,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-19 15:15:18,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-19 15:15:18,292 INFO L87 Difference]: Start difference. First operand 2722 states and 3678 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 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) [2021-12-19 15:15:18,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-19 15:15:18,392 INFO L93 Difference]: Finished difference Result 4982 states and 6684 transitions. [2021-12-19 15:15:18,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-19 15:15:18,392 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 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 169 [2021-12-19 15:15:18,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-19 15:15:18,398 INFO L225 Difference]: With dead ends: 4982 [2021-12-19 15:15:18,398 INFO L226 Difference]: Without dead ends: 2268 [2021-12-19 15:15:18,401 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-19 15:15:18,402 INFO L933 BasicCegarLoop]: 201 mSDtfsCounter, 11 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-19 15:15:18,402 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 301 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-19 15:15:18,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2268 states. [2021-12-19 15:15:18,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2268 to 1631. [2021-12-19 15:15:18,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1631 states, 1629 states have (on average 1.3222836095764272) internal successors, (2154), 1630 states have internal predecessors, (2154), 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) [2021-12-19 15:15:18,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1631 states to 1631 states and 2154 transitions. [2021-12-19 15:15:18,443 INFO L78 Accepts]: Start accepts. Automaton has 1631 states and 2154 transitions. Word has length 169 [2021-12-19 15:15:18,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-19 15:15:18,443 INFO L470 AbstractCegarLoop]: Abstraction has 1631 states and 2154 transitions. [2021-12-19 15:15:18,443 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 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) [2021-12-19 15:15:18,443 INFO L276 IsEmpty]: Start isEmpty. Operand 1631 states and 2154 transitions. [2021-12-19 15:15:18,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2021-12-19 15:15:18,445 INFO L506 BasicCegarLoop]: Found error trace [2021-12-19 15:15:18,445 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 7, 6, 6, 6, 5, 5, 4, 4, 3, 3, 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] [2021-12-19 15:15:18,445 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-19 15:15:18,445 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-12-19 15:15:18,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 15:15:18,446 INFO L85 PathProgramCache]: Analyzing trace with hash -179379212, now seen corresponding path program 1 times [2021-12-19 15:15:18,446 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 15:15:18,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669902265] [2021-12-19 15:15:18,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 15:15:18,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 15:15:18,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 15:15:18,475 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 348 trivial. 0 not checked. [2021-12-19 15:15:18,475 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 15:15:18,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669902265] [2021-12-19 15:15:18,475 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669902265] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 15:15:18,475 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 15:15:18,476 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-19 15:15:18,476 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493291738] [2021-12-19 15:15:18,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 15:15:18,477 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-19 15:15:18,477 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-19 15:15:18,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-19 15:15:18,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-19 15:15:18,477 INFO L87 Difference]: Start difference. First operand 1631 states and 2154 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 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) [2021-12-19 15:15:18,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-19 15:15:18,573 INFO L93 Difference]: Finished difference Result 3237 states and 4272 transitions. [2021-12-19 15:15:18,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-19 15:15:18,573 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 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 202 [2021-12-19 15:15:18,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-19 15:15:18,577 INFO L225 Difference]: With dead ends: 3237 [2021-12-19 15:15:18,578 INFO L226 Difference]: Without dead ends: 1614 [2021-12-19 15:15:18,579 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-19 15:15:18,580 INFO L933 BasicCegarLoop]: 185 mSDtfsCounter, 64 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-19 15:15:18,581 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [64 Valid, 252 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-19 15:15:18,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1614 states. [2021-12-19 15:15:18,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1614 to 1607. [2021-12-19 15:15:18,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1607 states, 1605 states have (on average 1.3052959501557633) internal successors, (2095), 1606 states have internal predecessors, (2095), 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) [2021-12-19 15:15:18,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1607 states to 1607 states and 2095 transitions. [2021-12-19 15:15:18,617 INFO L78 Accepts]: Start accepts. Automaton has 1607 states and 2095 transitions. Word has length 202 [2021-12-19 15:15:18,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-19 15:15:18,618 INFO L470 AbstractCegarLoop]: Abstraction has 1607 states and 2095 transitions. [2021-12-19 15:15:18,618 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 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) [2021-12-19 15:15:18,618 INFO L276 IsEmpty]: Start isEmpty. Operand 1607 states and 2095 transitions. [2021-12-19 15:15:18,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2021-12-19 15:15:18,619 INFO L506 BasicCegarLoop]: Found error trace [2021-12-19 15:15:18,619 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-19 15:15:18,620 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-19 15:15:18,620 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-12-19 15:15:18,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 15:15:18,620 INFO L85 PathProgramCache]: Analyzing trace with hash -412539110, now seen corresponding path program 1 times [2021-12-19 15:15:18,620 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 15:15:18,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857797498] [2021-12-19 15:15:18,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 15:15:18,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 15:15:18,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 15:15:18,647 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2021-12-19 15:15:18,647 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 15:15:18,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857797498] [2021-12-19 15:15:18,647 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857797498] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 15:15:18,647 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 15:15:18,647 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-19 15:15:18,648 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671786485] [2021-12-19 15:15:18,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 15:15:18,648 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-19 15:15:18,648 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-19 15:15:18,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-19 15:15:18,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-19 15:15:18,649 INFO L87 Difference]: Start difference. First operand 1607 states and 2095 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 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) [2021-12-19 15:15:18,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-19 15:15:18,735 INFO L93 Difference]: Finished difference Result 2769 states and 3569 transitions. [2021-12-19 15:15:18,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-19 15:15:18,736 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 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 207 [2021-12-19 15:15:18,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-19 15:15:18,738 INFO L225 Difference]: With dead ends: 2769 [2021-12-19 15:15:18,738 INFO L226 Difference]: Without dead ends: 707 [2021-12-19 15:15:18,739 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-19 15:15:18,740 INFO L933 BasicCegarLoop]: 202 mSDtfsCounter, 28 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-19 15:15:18,740 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 302 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-19 15:15:18,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707 states. [2021-12-19 15:15:18,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707 to 695. [2021-12-19 15:15:18,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 695 states, 693 states have (on average 1.2857142857142858) internal successors, (891), 694 states have internal predecessors, (891), 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) [2021-12-19 15:15:18,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 891 transitions. [2021-12-19 15:15:18,752 INFO L78 Accepts]: Start accepts. Automaton has 695 states and 891 transitions. Word has length 207 [2021-12-19 15:15:18,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-19 15:15:18,752 INFO L470 AbstractCegarLoop]: Abstraction has 695 states and 891 transitions. [2021-12-19 15:15:18,752 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 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) [2021-12-19 15:15:18,753 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 891 transitions. [2021-12-19 15:15:18,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2021-12-19 15:15:18,754 INFO L506 BasicCegarLoop]: Found error trace [2021-12-19 15:15:18,755 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 8, 8, 7, 7, 6, 6, 5, 5, 5, 5, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-19 15:15:18,755 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-19 15:15:18,756 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-12-19 15:15:18,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 15:15:18,756 INFO L85 PathProgramCache]: Analyzing trace with hash 2122074372, now seen corresponding path program 1 times [2021-12-19 15:15:18,757 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 15:15:18,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776737553] [2021-12-19 15:15:18,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 15:15:18,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 15:15:18,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 15:15:18,797 INFO L134 CoverageAnalysis]: Checked inductivity of 925 backedges. 531 proven. 0 refuted. 0 times theorem prover too weak. 394 trivial. 0 not checked. [2021-12-19 15:15:18,798 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 15:15:18,798 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776737553] [2021-12-19 15:15:18,798 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776737553] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 15:15:18,798 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 15:15:18,798 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-19 15:15:18,798 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699594382] [2021-12-19 15:15:18,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 15:15:18,799 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-19 15:15:18,800 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-19 15:15:18,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-19 15:15:18,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-19 15:15:18,800 INFO L87 Difference]: Start difference. First operand 695 states and 891 transitions. Second operand has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 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) [2021-12-19 15:15:18,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-19 15:15:18,885 INFO L93 Difference]: Finished difference Result 1490 states and 1902 transitions. [2021-12-19 15:15:18,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-19 15:15:18,885 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 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 302 [2021-12-19 15:15:18,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-19 15:15:18,889 INFO L225 Difference]: With dead ends: 1490 [2021-12-19 15:15:18,889 INFO L226 Difference]: Without dead ends: 803 [2021-12-19 15:15:18,890 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-19 15:15:18,890 INFO L933 BasicCegarLoop]: 192 mSDtfsCounter, 11 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-19 15:15:18,890 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 291 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-19 15:15:18,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 803 states. [2021-12-19 15:15:18,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 803 to 797. [2021-12-19 15:15:18,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 797 states, 795 states have (on average 1.2679245283018867) internal successors, (1008), 796 states have internal predecessors, (1008), 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) [2021-12-19 15:15:18,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 797 states and 1008 transitions. [2021-12-19 15:15:18,904 INFO L78 Accepts]: Start accepts. Automaton has 797 states and 1008 transitions. Word has length 302 [2021-12-19 15:15:18,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-19 15:15:18,905 INFO L470 AbstractCegarLoop]: Abstraction has 797 states and 1008 transitions. [2021-12-19 15:15:18,905 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 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) [2021-12-19 15:15:18,905 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states and 1008 transitions. [2021-12-19 15:15:18,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2021-12-19 15:15:18,909 INFO L506 BasicCegarLoop]: Found error trace [2021-12-19 15:15:18,909 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 9, 9, 8, 8, 7, 7, 6, 6, 6, 6, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-19 15:15:18,909 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-12-19 15:15:18,910 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-12-19 15:15:18,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 15:15:18,911 INFO L85 PathProgramCache]: Analyzing trace with hash -1884929830, now seen corresponding path program 1 times [2021-12-19 15:15:18,911 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 15:15:18,911 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402636861] [2021-12-19 15:15:18,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 15:15:18,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 15:15:18,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 15:15:18,961 INFO L134 CoverageAnalysis]: Checked inductivity of 1156 backedges. 624 proven. 0 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2021-12-19 15:15:18,962 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 15:15:18,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402636861] [2021-12-19 15:15:18,962 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402636861] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 15:15:18,963 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 15:15:18,963 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-19 15:15:18,963 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398306334] [2021-12-19 15:15:18,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 15:15:18,963 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-19 15:15:18,964 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-19 15:15:18,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-19 15:15:18,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-19 15:15:18,964 INFO L87 Difference]: Start difference. First operand 797 states and 1008 transitions. Second operand has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 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) [2021-12-19 15:15:19,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-19 15:15:19,050 INFO L93 Difference]: Finished difference Result 1700 states and 2148 transitions. [2021-12-19 15:15:19,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-19 15:15:19,051 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 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 333 [2021-12-19 15:15:19,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-19 15:15:19,053 INFO L225 Difference]: With dead ends: 1700 [2021-12-19 15:15:19,054 INFO L226 Difference]: Without dead ends: 911 [2021-12-19 15:15:19,054 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-19 15:15:19,055 INFO L933 BasicCegarLoop]: 192 mSDtfsCounter, 11 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-19 15:15:19,055 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 291 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-19 15:15:19,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 911 states. [2021-12-19 15:15:19,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 911 to 905. [2021-12-19 15:15:19,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 903 states have (on average 1.2524916943521596) internal successors, (1131), 904 states have internal predecessors, (1131), 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) [2021-12-19 15:15:19,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1131 transitions. [2021-12-19 15:15:19,070 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1131 transitions. Word has length 333 [2021-12-19 15:15:19,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-19 15:15:19,071 INFO L470 AbstractCegarLoop]: Abstraction has 905 states and 1131 transitions. [2021-12-19 15:15:19,071 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 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) [2021-12-19 15:15:19,071 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1131 transitions. [2021-12-19 15:15:19,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2021-12-19 15:15:19,074 INFO L506 BasicCegarLoop]: Found error trace [2021-12-19 15:15:19,074 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 10, 10, 9, 9, 8, 8, 7, 7, 7, 7, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-19 15:15:19,074 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-12-19 15:15:19,074 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-12-19 15:15:19,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 15:15:19,075 INFO L85 PathProgramCache]: Analyzing trace with hash -2102841943, now seen corresponding path program 1 times [2021-12-19 15:15:19,075 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 15:15:19,075 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504316983] [2021-12-19 15:15:19,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 15:15:19,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 15:15:19,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 15:15:19,116 INFO L134 CoverageAnalysis]: Checked inductivity of 1420 backedges. 721 proven. 0 refuted. 0 times theorem prover too weak. 699 trivial. 0 not checked. [2021-12-19 15:15:19,117 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 15:15:19,117 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504316983] [2021-12-19 15:15:19,117 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504316983] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 15:15:19,117 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 15:15:19,117 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-19 15:15:19,117 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921482527] [2021-12-19 15:15:19,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 15:15:19,118 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-19 15:15:19,118 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-19 15:15:19,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-19 15:15:19,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-19 15:15:19,118 INFO L87 Difference]: Start difference. First operand 905 states and 1131 transitions. Second operand has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 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) [2021-12-19 15:15:19,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-19 15:15:19,190 INFO L93 Difference]: Finished difference Result 1801 states and 2248 transitions. [2021-12-19 15:15:19,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-19 15:15:19,191 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 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 366 [2021-12-19 15:15:19,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-19 15:15:19,193 INFO L225 Difference]: With dead ends: 1801 [2021-12-19 15:15:19,193 INFO L226 Difference]: Without dead ends: 904 [2021-12-19 15:15:19,194 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-19 15:15:19,195 INFO L933 BasicCegarLoop]: 188 mSDtfsCounter, 14 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-19 15:15:19,195 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 283 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-19 15:15:19,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 904 states. [2021-12-19 15:15:19,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 904 to 680. [2021-12-19 15:15:19,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 680 states, 678 states have (on average 1.2625368731563422) internal successors, (856), 679 states have internal predecessors, (856), 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) [2021-12-19 15:15:19,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 680 states and 856 transitions. [2021-12-19 15:15:19,206 INFO L78 Accepts]: Start accepts. Automaton has 680 states and 856 transitions. Word has length 366 [2021-12-19 15:15:19,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-19 15:15:19,207 INFO L470 AbstractCegarLoop]: Abstraction has 680 states and 856 transitions. [2021-12-19 15:15:19,207 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 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) [2021-12-19 15:15:19,207 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 856 transitions. [2021-12-19 15:15:19,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2021-12-19 15:15:19,210 INFO L506 BasicCegarLoop]: Found error trace [2021-12-19 15:15:19,210 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 11, 11, 10, 10, 9, 9, 8, 8, 8, 8, 6, 5, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1] [2021-12-19 15:15:19,210 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-12-19 15:15:19,210 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-12-19 15:15:19,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 15:15:19,211 INFO L85 PathProgramCache]: Analyzing trace with hash 521510171, now seen corresponding path program 1 times [2021-12-19 15:15:19,211 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 15:15:19,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353164883] [2021-12-19 15:15:19,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 15:15:19,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 15:15:19,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 15:15:19,273 INFO L134 CoverageAnalysis]: Checked inductivity of 1719 backedges. 970 proven. 0 refuted. 0 times theorem prover too weak. 749 trivial. 0 not checked. [2021-12-19 15:15:19,273 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 15:15:19,274 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353164883] [2021-12-19 15:15:19,274 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353164883] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 15:15:19,274 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 15:15:19,274 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-19 15:15:19,274 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110796090] [2021-12-19 15:15:19,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 15:15:19,275 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-19 15:15:19,275 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-19 15:15:19,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-19 15:15:19,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-19 15:15:19,275 INFO L87 Difference]: Start difference. First operand 680 states and 856 transitions. Second operand has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 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) [2021-12-19 15:15:19,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-19 15:15:19,298 INFO L93 Difference]: Finished difference Result 1761 states and 2192 transitions. [2021-12-19 15:15:19,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-19 15:15:19,299 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 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 404 [2021-12-19 15:15:19,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-19 15:15:19,302 INFO L225 Difference]: With dead ends: 1761 [2021-12-19 15:15:19,302 INFO L226 Difference]: Without dead ends: 1089 [2021-12-19 15:15:19,303 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-19 15:15:19,303 INFO L933 BasicCegarLoop]: 208 mSDtfsCounter, 57 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-19 15:15:19,304 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [57 Valid, 377 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-19 15:15:19,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1089 states. [2021-12-19 15:15:19,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1089 to 1089. [2021-12-19 15:15:19,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1089 states, 1087 states have (on average 1.236430542778289) internal successors, (1344), 1088 states have internal predecessors, (1344), 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) [2021-12-19 15:15:19,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1089 states to 1089 states and 1344 transitions. [2021-12-19 15:15:19,322 INFO L78 Accepts]: Start accepts. Automaton has 1089 states and 1344 transitions. Word has length 404 [2021-12-19 15:15:19,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-19 15:15:19,323 INFO L470 AbstractCegarLoop]: Abstraction has 1089 states and 1344 transitions. [2021-12-19 15:15:19,323 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 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) [2021-12-19 15:15:19,323 INFO L276 IsEmpty]: Start isEmpty. Operand 1089 states and 1344 transitions. [2021-12-19 15:15:19,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2021-12-19 15:15:19,326 INFO L506 BasicCegarLoop]: Found error trace [2021-12-19 15:15:19,327 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 11, 11, 10, 10, 9, 9, 8, 8, 8, 8, 6, 5, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1] [2021-12-19 15:15:19,327 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-12-19 15:15:19,327 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-12-19 15:15:19,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 15:15:19,327 INFO L85 PathProgramCache]: Analyzing trace with hash 810329561, now seen corresponding path program 1 times [2021-12-19 15:15:19,328 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 15:15:19,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513840623] [2021-12-19 15:15:19,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 15:15:19,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 15:15:19,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 15:15:19,384 INFO L134 CoverageAnalysis]: Checked inductivity of 1719 backedges. 354 proven. 7 refuted. 0 times theorem prover too weak. 1358 trivial. 0 not checked. [2021-12-19 15:15:19,384 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 15:15:19,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513840623] [2021-12-19 15:15:19,384 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513840623] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-19 15:15:19,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1523244438] [2021-12-19 15:15:19,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 15:15:19,385 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-19 15:15:19,385 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 15:15:19,386 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) [2021-12-19 15:15:19,413 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-19 15:15:19,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 15:15:19,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 662 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-19 15:15:19,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-19 15:15:19,994 INFO L134 CoverageAnalysis]: Checked inductivity of 1719 backedges. 354 proven. 7 refuted. 0 times theorem prover too weak. 1358 trivial. 0 not checked. [2021-12-19 15:15:19,994 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-19 15:15:20,437 INFO L134 CoverageAnalysis]: Checked inductivity of 1719 backedges. 354 proven. 7 refuted. 0 times theorem prover too weak. 1358 trivial. 0 not checked. [2021-12-19 15:15:20,437 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1523244438] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-19 15:15:20,437 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-19 15:15:20,438 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2021-12-19 15:15:20,438 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142491755] [2021-12-19 15:15:20,438 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-19 15:15:20,439 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-19 15:15:20,439 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-19 15:15:20,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-19 15:15:20,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-12-19 15:15:20,439 INFO L87 Difference]: Start difference. First operand 1089 states and 1344 transitions. Second operand has 8 states, 8 states have (on average 27.875) internal successors, (223), 8 states have internal predecessors, (223), 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) [2021-12-19 15:15:20,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-19 15:15:20,574 INFO L93 Difference]: Finished difference Result 2035 states and 2488 transitions. [2021-12-19 15:15:20,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-19 15:15:20,574 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 27.875) internal successors, (223), 8 states have internal predecessors, (223), 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 404 [2021-12-19 15:15:20,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-19 15:15:20,575 INFO L225 Difference]: With dead ends: 2035 [2021-12-19 15:15:20,575 INFO L226 Difference]: Without dead ends: 0 [2021-12-19 15:15:20,576 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 812 GetRequests, 805 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-19 15:15:20,577 INFO L933 BasicCegarLoop]: 205 mSDtfsCounter, 72 mSDsluCounter, 644 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 849 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-19 15:15:20,577 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [72 Valid, 849 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-19 15:15:20,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-19 15:15:20,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-19 15:15:20,577 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) [2021-12-19 15:15:20,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-19 15:15:20,578 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 404 [2021-12-19 15:15:20,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-19 15:15:20,578 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-19 15:15:20,578 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 27.875) internal successors, (223), 8 states have internal predecessors, (223), 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) [2021-12-19 15:15:20,578 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-19 15:15:20,578 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-19 15:15:20,580 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2021-12-19 15:15:20,580 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2021-12-19 15:15:20,580 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2021-12-19 15:15:20,581 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2021-12-19 15:15:20,599 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-19 15:15:20,795 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-19 15:15:20,797 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-19 15:15:22,960 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 270) no Hoare annotation was computed. [2021-12-19 15:15:22,960 INFO L858 garLoopResultBuilder]: For program point L465(lines 465 469) no Hoare annotation was computed. [2021-12-19 15:15:22,960 INFO L858 garLoopResultBuilder]: For program point L268(line 268) no Hoare annotation was computed. [2021-12-19 15:15:22,960 INFO L858 garLoopResultBuilder]: For program point L268-1(line 268) no Hoare annotation was computed. [2021-12-19 15:15:22,960 INFO L858 garLoopResultBuilder]: For program point L202(lines 202 608) no Hoare annotation was computed. [2021-12-19 15:15:22,960 INFO L858 garLoopResultBuilder]: For program point L169(lines 169 619) no Hoare annotation was computed. [2021-12-19 15:15:22,960 INFO L858 garLoopResultBuilder]: For program point L136(lines 136 630) no Hoare annotation was computed. [2021-12-19 15:15:22,960 INFO L861 garLoopResultBuilder]: At program point L698(lines 689 700) the Hoare annotation is: true [2021-12-19 15:15:22,960 INFO L858 garLoopResultBuilder]: For program point L335(lines 335 339) no Hoare annotation was computed. [2021-12-19 15:15:22,960 INFO L858 garLoopResultBuilder]: For program point L270(line 270) no Hoare annotation was computed. [2021-12-19 15:15:22,961 INFO L858 garLoopResultBuilder]: For program point L270-1(line 270) no Hoare annotation was computed. [2021-12-19 15:15:22,961 INFO L854 garLoopResultBuilder]: At program point L601(lines 109 669) the Hoare annotation is: (let ((.cse4 (<= 8576 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse2 (< |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 12292)) (.cse3 (not (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| 0))) (.cse1 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 3)) (.cse6 (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse0 (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8576)) (.cse7 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8466)) (.cse5 (<= 8576 |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1|))) (or (and .cse0 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8592)) (and .cse1 .cse0) (and .cse0 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8608)) (and .cse2 .cse3 .cse4 (< |ULTIMATE.start_ssl3_accept_~s__state~0#1| 12292) .cse5) (and (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672) (<= 8656 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (and (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8640) .cse0) (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8512) (and .cse6 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8448) (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 3)) (and .cse0 .cse4 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576) .cse5) (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8544) (and (<= 8496 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8496)) (and .cse2 .cse6 .cse3 .cse7 .cse5) (and .cse2 .cse3 .cse1) (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8560) (and .cse6 .cse0 .cse7 .cse5) (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8528))) [2021-12-19 15:15:22,961 INFO L858 garLoopResultBuilder]: For program point L568(lines 568 572) no Hoare annotation was computed. [2021-12-19 15:15:22,961 INFO L858 garLoopResultBuilder]: For program point L436(lines 436 440) no Hoare annotation was computed. [2021-12-19 15:15:22,961 INFO L854 garLoopResultBuilder]: At program point L370(lines 352 388) the Hoare annotation is: (and (<= 8496 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576)) [2021-12-19 15:15:22,961 INFO L858 garLoopResultBuilder]: For program point L205(lines 205 607) no Hoare annotation was computed. [2021-12-19 15:15:22,961 INFO L858 garLoopResultBuilder]: For program point L172(lines 172 618) no Hoare annotation was computed. [2021-12-19 15:15:22,961 INFO L858 garLoopResultBuilder]: For program point L139(lines 139 629) no Hoare annotation was computed. [2021-12-19 15:15:22,961 INFO L858 garLoopResultBuilder]: For program point L536(lines 536 540) no Hoare annotation was computed. [2021-12-19 15:15:22,961 INFO L858 garLoopResultBuilder]: For program point L470(lines 470 481) no Hoare annotation was computed. [2021-12-19 15:15:22,961 INFO L858 garLoopResultBuilder]: For program point L536-2(lines 219 600) no Hoare annotation was computed. [2021-12-19 15:15:22,961 INFO L854 garLoopResultBuilder]: At program point L404(lines 395 426) the Hoare annotation is: (and (<= 8496 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576)) [2021-12-19 15:15:22,961 INFO L858 garLoopResultBuilder]: For program point L239(lines 239 250) no Hoare annotation was computed. [2021-12-19 15:15:22,961 INFO L854 garLoopResultBuilder]: At program point L206(lines 202 608) the Hoare annotation is: (and (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672) (<= 8656 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) [2021-12-19 15:15:22,961 INFO L854 garLoopResultBuilder]: At program point L173(lines 169 619) the Hoare annotation is: (and (<= 8496 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576)) [2021-12-19 15:15:22,961 INFO L858 garLoopResultBuilder]: For program point L239-2(lines 239 250) no Hoare annotation was computed. [2021-12-19 15:15:22,961 INFO L858 garLoopResultBuilder]: For program point L372(lines 372 376) no Hoare annotation was computed. [2021-12-19 15:15:22,962 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 270) no Hoare annotation was computed. [2021-12-19 15:15:22,962 INFO L861 garLoopResultBuilder]: At program point L670(lines 108 671) the Hoare annotation is: true [2021-12-19 15:15:22,962 INFO L858 garLoopResultBuilder]: For program point L406(lines 406 412) no Hoare annotation was computed. [2021-12-19 15:15:22,962 INFO L858 garLoopResultBuilder]: For program point L241(lines 241 246) no Hoare annotation was computed. [2021-12-19 15:15:22,962 INFO L858 garLoopResultBuilder]: For program point L208(lines 208 606) no Hoare annotation was computed. [2021-12-19 15:15:22,962 INFO L858 garLoopResultBuilder]: For program point L175(lines 175 617) no Hoare annotation was computed. [2021-12-19 15:15:22,962 INFO L858 garLoopResultBuilder]: For program point L142(lines 142 628) no Hoare annotation was computed. [2021-12-19 15:15:22,962 INFO L854 garLoopResultBuilder]: At program point L109-2(lines 109 669) the Hoare annotation is: (let ((.cse4 (<= 8576 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse2 (< |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 12292)) (.cse3 (not (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| 0))) (.cse1 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 3)) (.cse6 (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse0 (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8576)) (.cse7 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8466)) (.cse5 (<= 8576 |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1|))) (or (and .cse0 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8592)) (and .cse1 .cse0) (and .cse0 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8608)) (and .cse2 .cse3 .cse4 (< |ULTIMATE.start_ssl3_accept_~s__state~0#1| 12292) .cse5) (and (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672) (<= 8656 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (and (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8640) .cse0) (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8512) (and .cse6 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8448) (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 3)) (and .cse0 .cse4 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576) .cse5) (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8544) (and (<= 8496 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8496)) (and .cse2 .cse6 .cse3 .cse7 .cse5) (and .cse2 .cse3 .cse1) (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8560) (and .cse6 .cse0 .cse7 .cse5) (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8528) (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8464))) [2021-12-19 15:15:22,962 INFO L854 garLoopResultBuilder]: At program point L176(lines 175 617) the Hoare annotation is: (let ((.cse0 (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse1 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8448)) (.cse2 (<= 8576 |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1|))) (or (and (< |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 12292) .cse0 (not (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| 0)) .cse1 .cse2) (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 3)) (and .cse0 (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8576) .cse1 .cse2))) [2021-12-19 15:15:22,962 INFO L854 garLoopResultBuilder]: At program point L143(lines 136 630) the Hoare annotation is: (and (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8466)) [2021-12-19 15:15:22,962 INFO L858 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-12-19 15:15:22,962 INFO L858 garLoopResultBuilder]: For program point L639(lines 639 667) no Hoare annotation was computed. [2021-12-19 15:15:22,962 INFO L858 garLoopResultBuilder]: For program point L474(lines 474 478) no Hoare annotation was computed. [2021-12-19 15:15:22,962 INFO L858 garLoopResultBuilder]: For program point L640(lines 640 664) no Hoare annotation was computed. [2021-12-19 15:15:22,962 INFO L858 garLoopResultBuilder]: For program point L574(lines 574 578) no Hoare annotation was computed. [2021-12-19 15:15:22,962 INFO L858 garLoopResultBuilder]: For program point L508(lines 508 512) no Hoare annotation was computed. [2021-12-19 15:15:22,962 INFO L858 garLoopResultBuilder]: For program point L574-2(lines 574 578) no Hoare annotation was computed. [2021-12-19 15:15:22,962 INFO L858 garLoopResultBuilder]: For program point L508-2(lines 219 600) no Hoare annotation was computed. [2021-12-19 15:15:22,962 INFO L858 garLoopResultBuilder]: For program point L211(lines 211 605) no Hoare annotation was computed. [2021-12-19 15:15:22,962 INFO L858 garLoopResultBuilder]: For program point L178(lines 178 616) no Hoare annotation was computed. [2021-12-19 15:15:22,963 INFO L858 garLoopResultBuilder]: For program point L145(lines 145 627) no Hoare annotation was computed. [2021-12-19 15:15:22,963 INFO L858 garLoopResultBuilder]: For program point L112(lines 112 638) no Hoare annotation was computed. [2021-12-19 15:15:22,963 INFO L858 garLoopResultBuilder]: For program point L674(lines 674 678) no Hoare annotation was computed. [2021-12-19 15:15:22,963 INFO L858 garLoopResultBuilder]: For program point L641(lines 641 650) no Hoare annotation was computed. [2021-12-19 15:15:22,963 INFO L858 garLoopResultBuilder]: For program point L674-2(lines 674 678) no Hoare annotation was computed. [2021-12-19 15:15:22,963 INFO L858 garLoopResultBuilder]: For program point L641-2(lines 640 662) no Hoare annotation was computed. [2021-12-19 15:15:22,963 INFO L858 garLoopResultBuilder]: For program point L278(lines 278 282) no Hoare annotation was computed. [2021-12-19 15:15:22,963 INFO L854 garLoopResultBuilder]: At program point L212(lines 208 606) the Hoare annotation is: (and (<= 8656 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) (< |ULTIMATE.start_ssl3_accept_~s__state~0#1| 12292)) [2021-12-19 15:15:22,963 INFO L854 garLoopResultBuilder]: At program point L113(lines 112 638) the Hoare annotation is: false [2021-12-19 15:15:22,963 INFO L858 garLoopResultBuilder]: For program point L312(lines 312 316) no Hoare annotation was computed. [2021-12-19 15:15:22,963 INFO L858 garLoopResultBuilder]: For program point L312-2(lines 219 600) no Hoare annotation was computed. [2021-12-19 15:15:22,963 INFO L858 garLoopResultBuilder]: For program point L643(lines 643 647) no Hoare annotation was computed. [2021-12-19 15:15:22,963 INFO L858 garLoopResultBuilder]: For program point L214(lines 214 604) no Hoare annotation was computed. [2021-12-19 15:15:22,963 INFO L858 garLoopResultBuilder]: For program point L181(lines 181 615) no Hoare annotation was computed. [2021-12-19 15:15:22,963 INFO L858 garLoopResultBuilder]: For program point L148(lines 148 626) no Hoare annotation was computed. [2021-12-19 15:15:22,963 INFO L858 garLoopResultBuilder]: For program point L115(lines 115 637) no Hoare annotation was computed. [2021-12-19 15:15:22,963 INFO L858 garLoopResultBuilder]: For program point L347(lines 347 351) no Hoare annotation was computed. [2021-12-19 15:15:22,963 INFO L858 garLoopResultBuilder]: For program point L347-2(lines 219 600) no Hoare annotation was computed. [2021-12-19 15:15:22,963 INFO L861 garLoopResultBuilder]: At program point L215(lines 214 604) the Hoare annotation is: true [2021-12-19 15:15:22,963 INFO L854 garLoopResultBuilder]: At program point L182(lines 178 616) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8656)) (.cse1 (<= 8576 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse2 (<= 8576 |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1|))) (or (and (< |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 12292) (not (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| 0)) .cse0 .cse1 .cse2) (and (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8576) .cse0 .cse1 .cse2))) [2021-12-19 15:15:22,963 INFO L854 garLoopResultBuilder]: At program point L149(lines 145 627) the Hoare annotation is: (and (<= 8496 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576)) [2021-12-19 15:15:22,963 INFO L858 garLoopResultBuilder]: For program point L83(lines 83 91) no Hoare annotation was computed. [2021-12-19 15:15:22,964 INFO L858 garLoopResultBuilder]: For program point L447(lines 447 459) no Hoare annotation was computed. [2021-12-19 15:15:22,964 INFO L854 garLoopResultBuilder]: At program point L414(lines 405 425) the Hoare annotation is: (and (<= 8496 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576)) [2021-12-19 15:15:22,964 INFO L858 garLoopResultBuilder]: For program point L447-2(lines 447 459) no Hoare annotation was computed. [2021-12-19 15:15:22,964 INFO L858 garLoopResultBuilder]: For program point L184(lines 184 614) no Hoare annotation was computed. [2021-12-19 15:15:22,964 INFO L858 garLoopResultBuilder]: For program point L151(lines 151 625) no Hoare annotation was computed. [2021-12-19 15:15:22,964 INFO L858 garLoopResultBuilder]: For program point L118(lines 118 636) no Hoare annotation was computed. [2021-12-19 15:15:22,964 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-19 15:15:22,964 INFO L861 garLoopResultBuilder]: At program point L218(lines 217 603) the Hoare annotation is: true [2021-12-19 15:15:22,964 INFO L858 garLoopResultBuilder]: For program point L86(lines 86 90) no Hoare annotation was computed. [2021-12-19 15:15:22,964 INFO L858 garLoopResultBuilder]: For program point L86-2(lines 83 91) no Hoare annotation was computed. [2021-12-19 15:15:22,964 INFO L858 garLoopResultBuilder]: For program point L549(lines 549 554) no Hoare annotation was computed. [2021-12-19 15:15:22,964 INFO L858 garLoopResultBuilder]: For program point L450(lines 450 455) no Hoare annotation was computed. [2021-12-19 15:15:22,964 INFO L858 garLoopResultBuilder]: For program point L417(lines 417 421) no Hoare annotation was computed. [2021-12-19 15:15:22,964 INFO L858 garLoopResultBuilder]: For program point L252(lines 252 257) no Hoare annotation was computed. [2021-12-19 15:15:22,964 INFO L858 garLoopResultBuilder]: For program point L187(lines 187 613) no Hoare annotation was computed. [2021-12-19 15:15:22,964 INFO L858 garLoopResultBuilder]: For program point L154(lines 154 624) no Hoare annotation was computed. [2021-12-19 15:15:22,964 INFO L858 garLoopResultBuilder]: For program point L121(lines 121 635) no Hoare annotation was computed. [2021-12-19 15:15:22,964 INFO L858 garLoopResultBuilder]: For program point L584(lines 584 594) no Hoare annotation was computed. [2021-12-19 15:15:22,964 INFO L858 garLoopResultBuilder]: For program point L584-1(lines 584 594) no Hoare annotation was computed. [2021-12-19 15:15:22,964 INFO L858 garLoopResultBuilder]: For program point L518(lines 518 522) no Hoare annotation was computed. [2021-12-19 15:15:22,964 INFO L858 garLoopResultBuilder]: For program point L518-2(lines 518 522) no Hoare annotation was computed. [2021-12-19 15:15:22,964 INFO L854 garLoopResultBuilder]: At program point L188(lines 184 614) the Hoare annotation is: (let ((.cse0 (<= 8496 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse1 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8656)) (.cse2 (<= 8576 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (or (and (< |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 12292) (not (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| 0)) .cse0 .cse1 .cse2) (and (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8576) .cse0 .cse1 .cse2))) [2021-12-19 15:15:22,964 INFO L854 garLoopResultBuilder]: At program point L155(lines 151 625) the Hoare annotation is: (and (<= 8496 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576)) [2021-12-19 15:15:22,964 INFO L858 garLoopResultBuilder]: For program point L486(lines 486 490) no Hoare annotation was computed. [2021-12-19 15:15:22,965 INFO L854 garLoopResultBuilder]: At program point L222(lines 115 637) the Hoare annotation is: false [2021-12-19 15:15:22,965 INFO L861 garLoopResultBuilder]: At program point L685(lines 75 687) the Hoare annotation is: true [2021-12-19 15:15:22,965 INFO L858 garLoopResultBuilder]: For program point L652(lines 652 658) no Hoare annotation was computed. [2021-12-19 15:15:22,965 INFO L858 garLoopResultBuilder]: For program point L355(lines 355 387) no Hoare annotation was computed. [2021-12-19 15:15:22,965 INFO L858 garLoopResultBuilder]: For program point L322(lines 322 326) no Hoare annotation was computed. [2021-12-19 15:15:22,965 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-19 15:15:22,965 INFO L858 garLoopResultBuilder]: For program point L322-2(lines 322 326) no Hoare annotation was computed. [2021-12-19 15:15:22,965 INFO L858 garLoopResultBuilder]: For program point L190(lines 190 612) no Hoare annotation was computed. [2021-12-19 15:15:22,965 INFO L858 garLoopResultBuilder]: For program point L157(lines 157 623) no Hoare annotation was computed. [2021-12-19 15:15:22,965 INFO L858 garLoopResultBuilder]: For program point L124(lines 124 634) no Hoare annotation was computed. [2021-12-19 15:15:22,965 INFO L861 garLoopResultBuilder]: At program point L686(lines 20 688) the Hoare annotation is: true [2021-12-19 15:15:22,965 INFO L858 garLoopResultBuilder]: For program point L587(lines 587 591) no Hoare annotation was computed. [2021-12-19 15:15:22,965 INFO L858 garLoopResultBuilder]: For program point L93(lines 93 101) no Hoare annotation was computed. [2021-12-19 15:15:22,965 INFO L858 garLoopResultBuilder]: For program point L93-1(lines 75 687) no Hoare annotation was computed. [2021-12-19 15:15:22,965 INFO L858 garLoopResultBuilder]: For program point L358(lines 358 386) no Hoare annotation was computed. [2021-12-19 15:15:22,965 INFO L858 garLoopResultBuilder]: For program point L358-1(lines 358 386) no Hoare annotation was computed. [2021-12-19 15:15:22,965 INFO L858 garLoopResultBuilder]: For program point L259(lines 259 272) no Hoare annotation was computed. [2021-12-19 15:15:22,965 INFO L858 garLoopResultBuilder]: For program point L193(lines 193 611) no Hoare annotation was computed. [2021-12-19 15:15:22,965 INFO L858 garLoopResultBuilder]: For program point L160(lines 160 622) no Hoare annotation was computed. [2021-12-19 15:15:22,965 INFO L858 garLoopResultBuilder]: For program point L127(lines 127 633) no Hoare annotation was computed. [2021-12-19 15:15:22,965 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 268) no Hoare annotation was computed. [2021-12-19 15:15:22,965 INFO L858 garLoopResultBuilder]: For program point L94(lines 94 98) no Hoare annotation was computed. [2021-12-19 15:15:22,965 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-19 15:15:22,965 INFO L858 garLoopResultBuilder]: For program point L359(lines 359 383) no Hoare annotation was computed. [2021-12-19 15:15:22,965 INFO L858 garLoopResultBuilder]: For program point L227(lines 227 231) no Hoare annotation was computed. [2021-12-19 15:15:22,966 INFO L854 garLoopResultBuilder]: At program point L194(lines 190 612) the Hoare annotation is: (let ((.cse0 (<= 8496 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse1 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8656)) (.cse2 (<= 8576 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (or (and (< |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 12292) (not (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| 0)) .cse0 .cse1 .cse2) (and (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8576) .cse0 .cse1 .cse2))) [2021-12-19 15:15:22,966 INFO L854 garLoopResultBuilder]: At program point L161(lines 157 623) the Hoare annotation is: (and (<= 8496 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576)) [2021-12-19 15:15:22,966 INFO L858 garLoopResultBuilder]: For program point L227-2(lines 219 600) no Hoare annotation was computed. [2021-12-19 15:15:22,966 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 268) no Hoare annotation was computed. [2021-12-19 15:15:22,966 INFO L858 garLoopResultBuilder]: For program point L261(lines 261 266) no Hoare annotation was computed. [2021-12-19 15:15:22,966 INFO L858 garLoopResultBuilder]: For program point L559(lines 559 567) no Hoare annotation was computed. [2021-12-19 15:15:22,966 INFO L858 garLoopResultBuilder]: For program point L295(lines 295 299) no Hoare annotation was computed. [2021-12-19 15:15:22,966 INFO L858 garLoopResultBuilder]: For program point L295-2(lines 219 600) no Hoare annotation was computed. [2021-12-19 15:15:22,966 INFO L858 garLoopResultBuilder]: For program point L196(lines 196 610) no Hoare annotation was computed. [2021-12-19 15:15:22,966 INFO L858 garLoopResultBuilder]: For program point L163(lines 163 621) no Hoare annotation was computed. [2021-12-19 15:15:22,966 INFO L858 garLoopResultBuilder]: For program point L130(lines 130 632) no Hoare annotation was computed. [2021-12-19 15:15:22,966 INFO L858 garLoopResultBuilder]: For program point L395(lines 395 426) no Hoare annotation was computed. [2021-12-19 15:15:22,966 INFO L858 garLoopResultBuilder]: For program point L362(lines 362 382) no Hoare annotation was computed. [2021-12-19 15:15:22,966 INFO L854 garLoopResultBuilder]: At program point L131(lines 127 633) the Hoare annotation is: false [2021-12-19 15:15:22,966 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-19 15:15:22,966 INFO L858 garLoopResultBuilder]: For program point L396(lines 396 402) no Hoare annotation was computed. [2021-12-19 15:15:22,966 INFO L858 garLoopResultBuilder]: For program point L562(lines 562 566) no Hoare annotation was computed. [2021-12-19 15:15:22,966 INFO L858 garLoopResultBuilder]: For program point L529(lines 529 534) no Hoare annotation was computed. [2021-12-19 15:15:22,966 INFO L858 garLoopResultBuilder]: For program point L364(lines 364 368) no Hoare annotation was computed. [2021-12-19 15:15:22,966 INFO L858 garLoopResultBuilder]: For program point L331-1(lines 331 340) no Hoare annotation was computed. [2021-12-19 15:15:22,966 INFO L858 garLoopResultBuilder]: For program point L364-2(lines 362 380) no Hoare annotation was computed. [2021-12-19 15:15:22,966 INFO L858 garLoopResultBuilder]: For program point L199(lines 199 609) no Hoare annotation was computed. [2021-12-19 15:15:22,966 INFO L858 garLoopResultBuilder]: For program point L166(lines 166 620) no Hoare annotation was computed. [2021-12-19 15:15:22,966 INFO L858 garLoopResultBuilder]: For program point L133(lines 133 631) no Hoare annotation was computed. [2021-12-19 15:15:22,967 INFO L861 garLoopResultBuilder]: At program point L563(lines 75 687) the Hoare annotation is: true [2021-12-19 15:15:22,967 INFO L858 garLoopResultBuilder]: For program point L497(lines 497 501) no Hoare annotation was computed. [2021-12-19 15:15:22,967 INFO L854 garLoopResultBuilder]: At program point L200(lines 196 610) the Hoare annotation is: (or (and (< |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 12292) (not (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| 0)) (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8656) (<= 8576 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) (<= 8576 |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1|)) (and (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8640) (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8576))) [2021-12-19 15:15:22,967 INFO L854 garLoopResultBuilder]: At program point L167(lines 163 621) the Hoare annotation is: (and (<= 8496 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576)) [2021-12-19 15:15:22,967 INFO L854 garLoopResultBuilder]: At program point L134(lines 133 631) the Hoare annotation is: (and (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8576) (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8496)) [2021-12-19 15:15:22,969 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-19 15:15:22,970 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-19 15:15:22,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.12 03:15:22 BoogieIcfgContainer [2021-12-19 15:15:22,985 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-19 15:15:22,986 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-19 15:15:22,986 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-19 15:15:22,986 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-19 15:15:22,987 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 03:15:13" (3/4) ... [2021-12-19 15:15:22,989 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-19 15:15:23,001 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-19 15:15:23,002 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-19 15:15:23,002 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-19 15:15:23,003 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-19 15:15:23,084 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-19 15:15:23,085 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-19 15:15:23,085 INFO L158 Benchmark]: Toolchain (without parser) took 10693.00ms. Allocated memory was 92.3MB in the beginning and 222.3MB in the end (delta: 130.0MB). Free memory was 61.3MB in the beginning and 112.8MB in the end (delta: -51.5MB). Peak memory consumption was 77.9MB. Max. memory is 16.1GB. [2021-12-19 15:15:23,086 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 92.3MB. Free memory was 49.4MB in the beginning and 49.4MB in the end (delta: 75.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-19 15:15:23,086 INFO L158 Benchmark]: CACSL2BoogieTranslator took 273.74ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 60.9MB in the beginning and 83.5MB in the end (delta: -22.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-19 15:15:23,086 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.08ms. Allocated memory is still 111.1MB. Free memory was 83.5MB in the beginning and 80.6MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-19 15:15:23,086 INFO L158 Benchmark]: Boogie Preprocessor took 27.88ms. Allocated memory is still 111.1MB. Free memory was 80.6MB in the beginning and 78.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-19 15:15:23,086 INFO L158 Benchmark]: RCFGBuilder took 531.47ms. Allocated memory is still 111.1MB. Free memory was 78.5MB in the beginning and 51.9MB in the end (delta: 26.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-12-19 15:15:23,087 INFO L158 Benchmark]: TraceAbstraction took 9695.16ms. Allocated memory was 111.1MB in the beginning and 222.3MB in the end (delta: 111.1MB). Free memory was 51.3MB in the beginning and 123.3MB in the end (delta: -72.0MB). Peak memory consumption was 102.2MB. Max. memory is 16.1GB. [2021-12-19 15:15:23,088 INFO L158 Benchmark]: Witness Printer took 98.64ms. Allocated memory is still 222.3MB. Free memory was 123.3MB in the beginning and 112.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-19 15:15:23,093 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 92.3MB. Free memory was 49.4MB in the beginning and 49.4MB in the end (delta: 75.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 273.74ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 60.9MB in the beginning and 83.5MB in the end (delta: -22.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.08ms. Allocated memory is still 111.1MB. Free memory was 83.5MB in the beginning and 80.6MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.88ms. Allocated memory is still 111.1MB. Free memory was 80.6MB in the beginning and 78.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 531.47ms. Allocated memory is still 111.1MB. Free memory was 78.5MB in the beginning and 51.9MB in the end (delta: 26.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 9695.16ms. Allocated memory was 111.1MB in the beginning and 222.3MB in the end (delta: 111.1MB). Free memory was 51.3MB in the beginning and 123.3MB in the end (delta: -72.0MB). Peak memory consumption was 102.2MB. Max. memory is 16.1GB. * Witness Printer took 98.64ms. Allocated memory is still 222.3MB. Free memory was 123.3MB in the beginning and 112.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 268]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 268]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 270]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 270]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 147 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 9.6s, OverallIterations: 23, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2869 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2869 mSDsluCounter, 8269 SdHoareTripleChecker+Invalid, 1.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3473 mSDsCounter, 627 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3298 IncrementalHoareTripleChecker+Invalid, 3925 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 627 mSolverCounterUnsat, 4796 mSDtfsCounter, 3298 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1524 GetRequests, 1481 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2722occurred in iteration=15, InterpolantAutomatonStates: 82, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 23 MinimizatonAttempts, 2135 StatesRemovedByMinimization, 21 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 29 LocationsWithAnnotation, 29 PreInvPairs, 164 NumberOfFragments, 531 HoareAnnotationTreeSize, 29 FomulaSimplifications, 8383 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 29 FomulaSimplificationsInter, 12002 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 4630 NumberOfCodeBlocks, 4630 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 5321 ConstructedInterpolants, 0 QuantifiedInterpolants, 7230 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1318 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 29 InterpolantComputations, 20 PerfectInterpolantSequences, 14410/14467 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: ((((s__s3__tmp__next_state___0 < 12292 && !(s__hit == 0)) && s__state <= 8656) && 8576 <= s__state) && 8576 <= s__s3__tmp__next_state___0) || (s__state == 8640 && s__s3__tmp__next_state___0 <= 8576) - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: 8656 <= s__state && s__state < 12292 - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: 8496 <= s__state && s__state <= 8576 - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 112]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: (((((s__s3__tmp__next_state___0 < 12292 && 8448 <= s__state) && !(s__hit == 0)) && s__state <= 8448) && 8576 <= s__s3__tmp__next_state___0) || ((8448 <= s__state && s__state <= 8448) && s__s3__tmp__next_state___0 == 3)) || (((8448 <= s__state && s__s3__tmp__next_state___0 <= 8576) && s__state <= 8448) && 8576 <= s__s3__tmp__next_state___0) - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: 8496 <= s__state && s__state <= 8576 - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: 8496 <= s__state && s__state <= 8576 - InvariantResult [Line: 395]: Loop Invariant Derived loop invariant: 8496 <= s__state && s__state <= 8576 - InvariantResult [Line: 108]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: ((((s__s3__tmp__next_state___0 < 12292 && !(s__hit == 0)) && 8496 <= s__state) && s__state <= 8656) && 8576 <= s__state) || (((s__s3__tmp__next_state___0 <= 8576 && 8496 <= s__state) && s__state <= 8656) && 8576 <= s__state) - InvariantResult [Line: 115]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: (8448 <= s__state && s__s3__tmp__next_state___0 <= 8576) && s__state <= 8496 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 8496 <= s__state && s__state <= 8576 - InvariantResult [Line: 405]: Loop Invariant Derived loop invariant: 8496 <= s__state && s__state <= 8576 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 8496 <= s__state && s__state <= 8576 - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: (((((((((((((((s__s3__tmp__next_state___0 <= 8576 && s__state == 8592) || (s__state == 3 && s__s3__tmp__next_state___0 <= 8576)) || (s__s3__tmp__next_state___0 <= 8576 && s__state == 8608)) || ((((s__s3__tmp__next_state___0 < 12292 && !(s__hit == 0)) && 8576 <= s__state) && s__state < 12292) && 8576 <= s__s3__tmp__next_state___0)) || (s__state <= 8672 && 8656 <= s__state)) || (s__state == 8640 && s__s3__tmp__next_state___0 <= 8576)) || s__state == 8512) || ((8448 <= s__state && s__state <= 8448) && s__s3__tmp__next_state___0 == 3)) || (((s__s3__tmp__next_state___0 <= 8576 && 8576 <= s__state) && s__state <= 8576) && 8576 <= s__s3__tmp__next_state___0)) || s__state == 8544) || (8496 <= s__state && s__state <= 8496)) || ((((s__s3__tmp__next_state___0 < 12292 && 8448 <= s__state) && !(s__hit == 0)) && s__state <= 8466) && 8576 <= s__s3__tmp__next_state___0)) || ((s__s3__tmp__next_state___0 < 12292 && !(s__hit == 0)) && s__state == 3)) || s__state == 8560) || (((8448 <= s__state && s__s3__tmp__next_state___0 <= 8576) && s__state <= 8466) && 8576 <= s__s3__tmp__next_state___0)) || s__state == 8528 - InvariantResult [Line: 145]: Loop Invariant Derived loop invariant: 8496 <= s__state && s__state <= 8576 - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: ((((((((((((((((s__s3__tmp__next_state___0 <= 8576 && s__state == 8592) || (s__state == 3 && s__s3__tmp__next_state___0 <= 8576)) || (s__s3__tmp__next_state___0 <= 8576 && s__state == 8608)) || ((((s__s3__tmp__next_state___0 < 12292 && !(s__hit == 0)) && 8576 <= s__state) && s__state < 12292) && 8576 <= s__s3__tmp__next_state___0)) || (s__state <= 8672 && 8656 <= s__state)) || (s__state == 8640 && s__s3__tmp__next_state___0 <= 8576)) || s__state == 8512) || ((8448 <= s__state && s__state <= 8448) && s__s3__tmp__next_state___0 == 3)) || (((s__s3__tmp__next_state___0 <= 8576 && 8576 <= s__state) && s__state <= 8576) && 8576 <= s__s3__tmp__next_state___0)) || s__state == 8544) || (8496 <= s__state && s__state <= 8496)) || ((((s__s3__tmp__next_state___0 < 12292 && 8448 <= s__state) && !(s__hit == 0)) && s__state <= 8466) && 8576 <= s__s3__tmp__next_state___0)) || ((s__s3__tmp__next_state___0 < 12292 && !(s__hit == 0)) && s__state == 3)) || s__state == 8560) || (((8448 <= s__state && s__s3__tmp__next_state___0 <= 8576) && s__state <= 8466) && 8576 <= s__s3__tmp__next_state___0)) || s__state == 8528) || s__state == 8464 - InvariantResult [Line: 689]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: ((((s__s3__tmp__next_state___0 < 12292 && !(s__hit == 0)) && 8496 <= s__state) && s__state <= 8656) && 8576 <= s__state) || (((s__s3__tmp__next_state___0 <= 8576 && 8496 <= s__state) && s__state <= 8656) && 8576 <= s__state) - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 8448 <= s__state && s__state <= 8466 - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: ((((s__s3__tmp__next_state___0 < 12292 && !(s__hit == 0)) && s__state <= 8656) && 8576 <= s__state) && 8576 <= s__s3__tmp__next_state___0) || (((s__s3__tmp__next_state___0 <= 8576 && s__state <= 8656) && 8576 <= s__state) && 8576 <= s__s3__tmp__next_state___0) - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: s__state <= 8672 && 8656 <= s__state RESULT: Ultimate proved your program to be correct! [2021-12-19 15:15:23,119 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE