./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/loop-zilu/benchmark10_conjunctive.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6c24879c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/loop-zilu/benchmark10_conjunctive.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5a9444e5380fed44b00432b26b7edd9414dfa93ba2d2f76306ea753732eae2b3 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-13 02:16:23,532 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 02:16:23,533 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 02:16:23,569 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 02:16:23,571 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 02:16:23,573 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 02:16:23,574 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 02:16:23,575 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 02:16:23,576 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 02:16:23,577 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 02:16:23,577 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 02:16:23,591 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 02:16:23,592 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 02:16:23,592 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 02:16:23,593 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 02:16:23,594 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 02:16:23,594 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 02:16:23,595 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 02:16:23,599 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 02:16:23,600 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 02:16:23,603 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 02:16:23,605 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 02:16:23,606 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 02:16:23,606 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 02:16:23,607 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 02:16:23,615 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 02:16:23,616 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 02:16:23,616 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 02:16:23,617 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 02:16:23,617 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 02:16:23,617 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 02:16:23,618 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 02:16:23,618 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 02:16:23,619 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 02:16:23,619 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 02:16:23,620 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 02:16:23,620 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 02:16:23,620 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 02:16:23,620 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 02:16:23,621 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 02:16:23,621 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 02:16:23,622 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 02:16:23,622 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-07-13 02:16:23,639 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 02:16:23,639 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 02:16:23,639 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 02:16:23,639 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 02:16:23,640 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 02:16:23,640 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 02:16:23,641 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 02:16:23,641 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 02:16:23,641 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 02:16:23,641 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 02:16:23,641 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-13 02:16:23,642 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-13 02:16:23,642 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 02:16:23,642 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-13 02:16:23,642 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 02:16:23,642 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 02:16:23,642 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 02:16:23,643 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 02:16:23,643 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-07-13 02:16:23,643 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-13 02:16:23,643 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 02:16:23,643 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 02:16:23,644 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 02:16:23,644 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 02:16:23,644 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 02:16:23,644 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 02:16:23,644 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 02:16:23,645 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 02:16:23,645 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 02:16:23,645 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 02:16:23,645 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 02:16:23,645 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-13 02:16:23,645 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 02:16:23,646 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a9444e5380fed44b00432b26b7edd9414dfa93ba2d2f76306ea753732eae2b3 [2022-07-13 02:16:23,834 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 02:16:23,852 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 02:16:23,854 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 02:16:23,855 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 02:16:23,856 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 02:16:23,857 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-zilu/benchmark10_conjunctive.i [2022-07-13 02:16:23,913 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee661c5e7/4951c634ff6a451a81ce4f625f39d1b7/FLAGf78fbab48 [2022-07-13 02:16:24,263 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 02:16:24,264 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-zilu/benchmark10_conjunctive.i [2022-07-13 02:16:24,267 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee661c5e7/4951c634ff6a451a81ce4f625f39d1b7/FLAGf78fbab48 [2022-07-13 02:16:24,275 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee661c5e7/4951c634ff6a451a81ce4f625f39d1b7 [2022-07-13 02:16:24,277 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 02:16:24,277 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 02:16:24,281 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 02:16:24,281 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 02:16:24,283 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 02:16:24,284 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 02:16:24" (1/1) ... [2022-07-13 02:16:24,284 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cbeb583 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:16:24, skipping insertion in model container [2022-07-13 02:16:24,285 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 02:16:24" (1/1) ... [2022-07-13 02:16:24,289 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 02:16:24,300 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 02:16:24,398 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/loop-zilu/benchmark10_conjunctive.i[873,886] [2022-07-13 02:16:24,406 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 02:16:24,411 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 02:16:24,418 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/loop-zilu/benchmark10_conjunctive.i[873,886] [2022-07-13 02:16:24,421 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 02:16:24,429 INFO L208 MainTranslator]: Completed translation [2022-07-13 02:16:24,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:16:24 WrapperNode [2022-07-13 02:16:24,430 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 02:16:24,431 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 02:16:24,431 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 02:16:24,431 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 02:16:24,436 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:16:24" (1/1) ... [2022-07-13 02:16:24,441 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:16:24" (1/1) ... [2022-07-13 02:16:24,458 INFO L137 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 36 [2022-07-13 02:16:24,458 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 02:16:24,459 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 02:16:24,459 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 02:16:24,459 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 02:16:24,463 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:16:24" (1/1) ... [2022-07-13 02:16:24,464 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:16:24" (1/1) ... [2022-07-13 02:16:24,465 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:16:24" (1/1) ... [2022-07-13 02:16:24,466 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:16:24" (1/1) ... [2022-07-13 02:16:24,473 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:16:24" (1/1) ... [2022-07-13 02:16:24,477 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:16:24" (1/1) ... [2022-07-13 02:16:24,478 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:16:24" (1/1) ... [2022-07-13 02:16:24,484 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 02:16:24,486 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 02:16:24,486 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 02:16:24,486 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 02:16:24,487 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:16:24" (1/1) ... [2022-07-13 02:16:24,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 02:16:24,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 02:16:24,520 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-13 02:16:24,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 02:16:24,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-13 02:16:24,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 02:16:24,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 02:16:24,543 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-13 02:16:24,591 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 02:16:24,592 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 02:16:24,665 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 02:16:24,669 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 02:16:24,669 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-13 02:16:24,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 02:16:24 BoogieIcfgContainer [2022-07-13 02:16:24,670 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 02:16:24,671 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-13 02:16:24,672 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-13 02:16:24,674 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-13 02:16:24,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.07 02:16:24" (1/3) ... [2022-07-13 02:16:24,674 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@301d4052 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 02:16:24, skipping insertion in model container [2022-07-13 02:16:24,675 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:16:24" (2/3) ... [2022-07-13 02:16:24,675 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@301d4052 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 02:16:24, skipping insertion in model container [2022-07-13 02:16:24,675 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 02:16:24" (3/3) ... [2022-07-13 02:16:24,676 INFO L111 eAbstractionObserver]: Analyzing ICFG benchmark10_conjunctive.i [2022-07-13 02:16:24,685 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-13 02:16:24,686 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-07-13 02:16:24,718 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-13 02:16:24,729 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6aed2990, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@739fd6e6 [2022-07-13 02:16:24,729 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-07-13 02:16:24,732 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 18 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 02:16:24,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-07-13 02:16:24,736 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 02:16:24,736 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-07-13 02:16:24,736 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-07-13 02:16:24,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 02:16:24,740 INFO L85 PathProgramCache]: Analyzing trace with hash 28695973, now seen corresponding path program 1 times [2022-07-13 02:16:24,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 02:16:24,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915054742] [2022-07-13 02:16:24,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:16:24,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 02:16:24,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:16:24,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 02:16:24,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 02:16:24,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915054742] [2022-07-13 02:16:24,861 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915054742] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 02:16:24,861 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 02:16:24,861 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-13 02:16:24,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082066093] [2022-07-13 02:16:24,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 02:16:24,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 02:16:24,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 02:16:24,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 02:16:24,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 02:16:24,885 INFO L87 Difference]: Start difference. First operand has 19 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 18 states have internal predecessors, (23), 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, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 02:16:24,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 02:16:24,961 INFO L93 Difference]: Finished difference Result 35 states and 42 transitions. [2022-07-13 02:16:24,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 02:16:24,963 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-07-13 02:16:24,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 02:16:24,968 INFO L225 Difference]: With dead ends: 35 [2022-07-13 02:16:24,968 INFO L226 Difference]: Without dead ends: 16 [2022-07-13 02:16:24,970 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 02:16:24,973 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 8 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-13 02:16:24,974 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 22 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-13 02:16:24,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-07-13 02:16:25,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2022-07-13 02:16:25,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 14 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 02:16:25,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2022-07-13 02:16:25,004 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 5 [2022-07-13 02:16:25,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 02:16:25,004 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2022-07-13 02:16:25,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 02:16:25,005 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2022-07-13 02:16:25,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-07-13 02:16:25,006 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 02:16:25,006 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-07-13 02:16:25,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-13 02:16:25,006 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-07-13 02:16:25,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 02:16:25,010 INFO L85 PathProgramCache]: Analyzing trace with hash 889575213, now seen corresponding path program 1 times [2022-07-13 02:16:25,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 02:16:25,010 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283828999] [2022-07-13 02:16:25,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:16:25,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 02:16:25,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:16:25,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 02:16:25,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 02:16:25,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283828999] [2022-07-13 02:16:25,050 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283828999] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 02:16:25,050 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 02:16:25,051 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-13 02:16:25,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110876275] [2022-07-13 02:16:25,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 02:16:25,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 02:16:25,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 02:16:25,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 02:16:25,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 02:16:25,061 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 02:16:25,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 02:16:25,085 INFO L93 Difference]: Finished difference Result 17 states and 17 transitions. [2022-07-13 02:16:25,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 02:16:25,087 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-07-13 02:16:25,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 02:16:25,087 INFO L225 Difference]: With dead ends: 17 [2022-07-13 02:16:25,087 INFO L226 Difference]: Without dead ends: 16 [2022-07-13 02:16:25,090 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 02:16:25,092 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 0 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 02:16:25,093 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 11 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 02:16:25,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-07-13 02:16:25,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-07-13 02:16:25,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 15 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 02:16:25,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2022-07-13 02:16:25,100 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 6 [2022-07-13 02:16:25,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 02:16:25,101 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2022-07-13 02:16:25,102 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 02:16:25,102 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2022-07-13 02:16:25,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-07-13 02:16:25,103 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 02:16:25,104 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-13 02:16:25,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-13 02:16:25,108 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-07-13 02:16:25,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 02:16:25,110 INFO L85 PathProgramCache]: Analyzing trace with hash 1807027879, now seen corresponding path program 1 times [2022-07-13 02:16:25,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 02:16:25,111 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731772793] [2022-07-13 02:16:25,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:16:25,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 02:16:25,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:16:25,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 02:16:25,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 02:16:25,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731772793] [2022-07-13 02:16:25,148 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731772793] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 02:16:25,149 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 02:16:25,149 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-13 02:16:25,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587169213] [2022-07-13 02:16:25,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 02:16:25,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 02:16:25,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 02:16:25,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 02:16:25,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 02:16:25,152 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 02:16:25,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 02:16:25,178 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2022-07-13 02:16:25,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 02:16:25,178 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-07-13 02:16:25,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 02:16:25,179 INFO L225 Difference]: With dead ends: 19 [2022-07-13 02:16:25,179 INFO L226 Difference]: Without dead ends: 18 [2022-07-13 02:16:25,181 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 02:16:25,185 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 2 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 02:16:25,186 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 8 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 02:16:25,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2022-07-13 02:16:25,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2022-07-13 02:16:25,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 16 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 02:16:25,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2022-07-13 02:16:25,193 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 7 [2022-07-13 02:16:25,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 02:16:25,193 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions. [2022-07-13 02:16:25,193 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 02:16:25,193 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2022-07-13 02:16:25,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-07-13 02:16:25,194 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 02:16:25,194 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 02:16:25,194 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-13 02:16:25,195 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-07-13 02:16:25,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 02:16:25,197 INFO L85 PathProgramCache]: Analyzing trace with hash 183289455, now seen corresponding path program 1 times [2022-07-13 02:16:25,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 02:16:25,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202145877] [2022-07-13 02:16:25,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:16:25,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 02:16:25,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:16:25,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 02:16:25,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 02:16:25,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202145877] [2022-07-13 02:16:25,255 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202145877] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 02:16:25,255 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 02:16:25,255 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-13 02:16:25,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714212026] [2022-07-13 02:16:25,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 02:16:25,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 02:16:25,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 02:16:25,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 02:16:25,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 02:16:25,257 INFO L87 Difference]: Start difference. First operand 17 states and 17 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 02:16:25,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 02:16:25,272 INFO L93 Difference]: Finished difference Result 17 states and 17 transitions. [2022-07-13 02:16:25,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 02:16:25,272 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-07-13 02:16:25,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 02:16:25,273 INFO L225 Difference]: With dead ends: 17 [2022-07-13 02:16:25,273 INFO L226 Difference]: Without dead ends: 16 [2022-07-13 02:16:25,274 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 02:16:25,278 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 4 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 02:16:25,279 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 3 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 02:16:25,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-07-13 02:16:25,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-07-13 02:16:25,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 15 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 02:16:25,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2022-07-13 02:16:25,284 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 8 [2022-07-13 02:16:25,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 02:16:25,284 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2022-07-13 02:16:25,284 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 02:16:25,285 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2022-07-13 02:16:25,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-07-13 02:16:25,285 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 02:16:25,286 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 02:16:25,286 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-13 02:16:25,286 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-07-13 02:16:25,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 02:16:25,287 INFO L85 PathProgramCache]: Analyzing trace with hash 1472778862, now seen corresponding path program 1 times [2022-07-13 02:16:25,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 02:16:25,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237234571] [2022-07-13 02:16:25,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:16:25,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 02:16:25,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:16:25,357 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 02:16:25,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 02:16:25,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237234571] [2022-07-13 02:16:25,359 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237234571] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 02:16:25,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1174003479] [2022-07-13 02:16:25,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:16:25,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 02:16:25,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 02:16:25,361 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 02:16:25,362 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-13 02:16:25,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:16:25,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-13 02:16:25,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 02:16:25,497 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 02:16:25,498 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-13 02:16:25,551 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 02:16:25,551 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1174003479] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-13 02:16:25,551 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-13 02:16:25,551 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2022-07-13 02:16:25,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427594513] [2022-07-13 02:16:25,552 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-13 02:16:25,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-13 02:16:25,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 02:16:25,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-13 02:16:25,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2022-07-13 02:16:25,554 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand has 11 states, 10 states have (on average 2.9) internal successors, (29), 11 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 02:16:25,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 02:16:25,663 INFO L93 Difference]: Finished difference Result 31 states and 32 transitions. [2022-07-13 02:16:25,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-13 02:16:25,663 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.9) internal successors, (29), 11 states have internal predecessors, (29), 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 11 [2022-07-13 02:16:25,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 02:16:25,664 INFO L225 Difference]: With dead ends: 31 [2022-07-13 02:16:25,664 INFO L226 Difference]: Without dead ends: 30 [2022-07-13 02:16:25,664 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2022-07-13 02:16:25,665 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 24 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 02:16:25,665 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 15 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 02:16:25,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2022-07-13 02:16:25,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 26. [2022-07-13 02:16:25,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 23 states have (on average 1.2173913043478262) internal successors, (28), 25 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 02:16:25,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 28 transitions. [2022-07-13 02:16:25,668 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 28 transitions. Word has length 11 [2022-07-13 02:16:25,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 02:16:25,668 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 28 transitions. [2022-07-13 02:16:25,668 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.9) internal successors, (29), 11 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 02:16:25,668 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2022-07-13 02:16:25,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-07-13 02:16:25,668 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 02:16:25,668 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 02:16:25,690 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-13 02:16:25,886 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 02:16:25,886 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-07-13 02:16:25,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 02:16:25,887 INFO L85 PathProgramCache]: Analyzing trace with hash -1588495484, now seen corresponding path program 1 times [2022-07-13 02:16:25,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 02:16:25,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816570564] [2022-07-13 02:16:25,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:16:25,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 02:16:25,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:16:25,916 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 02:16:25,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 02:16:25,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816570564] [2022-07-13 02:16:25,917 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816570564] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 02:16:25,917 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 02:16:25,917 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-13 02:16:25,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275580321] [2022-07-13 02:16:25,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 02:16:25,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-13 02:16:25,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 02:16:25,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-13 02:16:25,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-13 02:16:25,918 INFO L87 Difference]: Start difference. First operand 26 states and 28 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 02:16:25,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 02:16:25,951 INFO L93 Difference]: Finished difference Result 26 states and 28 transitions. [2022-07-13 02:16:25,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-13 02:16:25,952 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 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 12 [2022-07-13 02:16:25,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 02:16:25,953 INFO L225 Difference]: With dead ends: 26 [2022-07-13 02:16:25,953 INFO L226 Difference]: Without dead ends: 25 [2022-07-13 02:16:25,953 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-07-13 02:16:25,955 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 6 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 02:16:25,955 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 10 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 02:16:25,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2022-07-13 02:16:25,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2022-07-13 02:16:25,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 24 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 02:16:25,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 26 transitions. [2022-07-13 02:16:25,970 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 26 transitions. Word has length 12 [2022-07-13 02:16:25,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 02:16:25,970 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 26 transitions. [2022-07-13 02:16:25,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 02:16:25,971 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2022-07-13 02:16:25,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-07-13 02:16:25,971 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 02:16:25,971 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 02:16:25,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-13 02:16:25,972 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-07-13 02:16:25,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 02:16:25,972 INFO L85 PathProgramCache]: Analyzing trace with hash -1998719696, now seen corresponding path program 1 times [2022-07-13 02:16:25,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 02:16:25,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540313720] [2022-07-13 02:16:25,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:16:25,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 02:16:25,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:16:26,007 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-13 02:16:26,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 02:16:26,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540313720] [2022-07-13 02:16:26,008 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540313720] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 02:16:26,008 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 02:16:26,008 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-13 02:16:26,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987645299] [2022-07-13 02:16:26,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 02:16:26,008 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 02:16:26,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 02:16:26,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 02:16:26,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 02:16:26,009 INFO L87 Difference]: Start difference. First operand 25 states and 26 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 02:16:26,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 02:16:26,020 INFO L93 Difference]: Finished difference Result 25 states and 26 transitions. [2022-07-13 02:16:26,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 02:16:26,021 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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 13 [2022-07-13 02:16:26,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 02:16:26,021 INFO L225 Difference]: With dead ends: 25 [2022-07-13 02:16:26,021 INFO L226 Difference]: Without dead ends: 24 [2022-07-13 02:16:26,022 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 02:16:26,022 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 2 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 02:16:26,022 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 5 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 02:16:26,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2022-07-13 02:16:26,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2022-07-13 02:16:26,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 23 states have (on average 1.0434782608695652) internal successors, (24), 23 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 02:16:26,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions. [2022-07-13 02:16:26,026 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 24 transitions. Word has length 13 [2022-07-13 02:16:26,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 02:16:26,026 INFO L495 AbstractCegarLoop]: Abstraction has 24 states and 24 transitions. [2022-07-13 02:16:26,026 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 02:16:26,026 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2022-07-13 02:16:26,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-07-13 02:16:26,027 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 02:16:26,027 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 1, 1, 1, 1] [2022-07-13 02:16:26,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-13 02:16:26,027 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-07-13 02:16:26,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 02:16:26,027 INFO L85 PathProgramCache]: Analyzing trace with hash 1136548800, now seen corresponding path program 2 times [2022-07-13 02:16:26,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 02:16:26,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151574790] [2022-07-13 02:16:26,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:16:26,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 02:16:26,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:16:26,095 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 02:16:26,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 02:16:26,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151574790] [2022-07-13 02:16:26,095 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151574790] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 02:16:26,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [489928253] [2022-07-13 02:16:26,095 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-13 02:16:26,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 02:16:26,096 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 02:16:26,108 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 02:16:26,111 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-13 02:16:26,135 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-13 02:16:26,135 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-13 02:16:26,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-13 02:16:26,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 02:16:26,280 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 02:16:26,280 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-13 02:16:26,401 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 02:16:26,401 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [489928253] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-13 02:16:26,401 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-13 02:16:26,402 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 21 [2022-07-13 02:16:26,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128729256] [2022-07-13 02:16:26,402 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-13 02:16:26,402 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-07-13 02:16:26,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 02:16:26,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-07-13 02:16:26,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=343, Unknown=0, NotChecked=0, Total=462 [2022-07-13 02:16:26,404 INFO L87 Difference]: Start difference. First operand 24 states and 24 transitions. Second operand has 22 states, 21 states have (on average 2.9523809523809526) internal successors, (62), 22 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 02:16:26,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 02:16:26,680 INFO L93 Difference]: Finished difference Result 50 states and 53 transitions. [2022-07-13 02:16:26,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-07-13 02:16:26,680 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 2.9523809523809526) internal successors, (62), 22 states have internal predecessors, (62), 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 23 [2022-07-13 02:16:26,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 02:16:26,681 INFO L225 Difference]: With dead ends: 50 [2022-07-13 02:16:26,681 INFO L226 Difference]: Without dead ends: 49 [2022-07-13 02:16:26,681 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 357 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=413, Invalid=919, Unknown=0, NotChecked=0, Total=1332 [2022-07-13 02:16:26,681 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 96 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-13 02:16:26,682 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 16 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-13 02:16:26,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2022-07-13 02:16:26,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 48. [2022-07-13 02:16:26,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 47 states have (on average 1.0212765957446808) internal successors, (48), 47 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 02:16:26,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 48 transitions. [2022-07-13 02:16:26,686 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 48 transitions. Word has length 23 [2022-07-13 02:16:26,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 02:16:26,686 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 48 transitions. [2022-07-13 02:16:26,686 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 2.9523809523809526) internal successors, (62), 22 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 02:16:26,686 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 48 transitions. [2022-07-13 02:16:26,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-07-13 02:16:26,686 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 02:16:26,687 INFO L195 NwaCegarLoop]: trace histogram [8, 7, 7, 7, 7, 7, 1, 1, 1, 1] [2022-07-13 02:16:26,704 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-13 02:16:26,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-07-13 02:16:26,900 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-07-13 02:16:26,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 02:16:26,900 INFO L85 PathProgramCache]: Analyzing trace with hash 977907044, now seen corresponding path program 3 times [2022-07-13 02:16:26,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 02:16:26,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566052893] [2022-07-13 02:16:26,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:16:26,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 02:16:26,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:16:27,032 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 02:16:27,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 02:16:27,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566052893] [2022-07-13 02:16:27,033 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566052893] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 02:16:27,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [341769804] [2022-07-13 02:16:27,033 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-07-13 02:16:27,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 02:16:27,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 02:16:27,034 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 02:16:27,060 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-13 02:16:27,074 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2022-07-13 02:16:27,075 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-13 02:16:27,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 17 conjunts are in the unsatisfiable core [2022-07-13 02:16:27,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 02:16:29,545 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 02:16:29,545 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-13 02:16:29,948 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 02:16:29,949 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [341769804] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-13 02:16:29,949 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-13 02:16:29,949 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 45 [2022-07-13 02:16:29,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547352626] [2022-07-13 02:16:29,949 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-13 02:16:29,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2022-07-13 02:16:29,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 02:16:29,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2022-07-13 02:16:29,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=470, Invalid=1599, Unknown=1, NotChecked=0, Total=2070 [2022-07-13 02:16:29,950 INFO L87 Difference]: Start difference. First operand 48 states and 48 transitions. Second operand has 46 states, 45 states have (on average 3.0444444444444443) internal successors, (137), 46 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 02:16:44,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 02:16:44,080 INFO L93 Difference]: Finished difference Result 97 states and 104 transitions. [2022-07-13 02:16:44,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-07-13 02:16:44,081 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 45 states have (on average 3.0444444444444443) internal successors, (137), 46 states have internal predecessors, (137), 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 47 [2022-07-13 02:16:44,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 02:16:44,081 INFO L225 Difference]: With dead ends: 97 [2022-07-13 02:16:44,081 INFO L226 Difference]: Without dead ends: 96 [2022-07-13 02:16:44,083 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 75 SyntacticMatches, 1 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2790 ImplicationChecksByTransitivity, 16.4s TimeCoverageRelationStatistics Valid=2077, Invalid=5751, Unknown=4, NotChecked=0, Total=7832 [2022-07-13 02:16:44,084 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 96 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 368 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 481 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 46 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-13 02:16:44,084 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 18 Invalid, 481 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 368 Invalid, 0 Unknown, 46 Unchecked, 0.2s Time] [2022-07-13 02:16:44,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2022-07-13 02:16:44,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2022-07-13 02:16:44,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 95 states have (on average 1.0105263157894737) internal successors, (96), 95 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 02:16:44,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 96 transitions. [2022-07-13 02:16:44,091 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 96 transitions. Word has length 47 [2022-07-13 02:16:44,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 02:16:44,096 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 96 transitions. [2022-07-13 02:16:44,096 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 45 states have (on average 3.0444444444444443) internal successors, (137), 46 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 02:16:44,096 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 96 transitions. [2022-07-13 02:16:44,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-07-13 02:16:44,099 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 02:16:44,099 INFO L195 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 15, 15, 1, 1, 1, 1] [2022-07-13 02:16:44,124 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-13 02:16:44,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 02:16:44,315 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-07-13 02:16:44,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 02:16:44,316 INFO L85 PathProgramCache]: Analyzing trace with hash -913355604, now seen corresponding path program 4 times [2022-07-13 02:16:44,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 02:16:44,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031531912] [2022-07-13 02:16:44,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:16:44,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 02:16:44,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:16:44,764 INFO L134 CoverageAnalysis]: Checked inductivity of 660 backedges. 0 proven. 660 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 02:16:44,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 02:16:44,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031531912] [2022-07-13 02:16:44,764 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031531912] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 02:16:44,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1742579058] [2022-07-13 02:16:44,764 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-07-13 02:16:44,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 02:16:44,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 02:16:44,766 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 02:16:44,766 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-13 02:16:44,828 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-07-13 02:16:44,828 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-13 02:16:44,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 33 conjunts are in the unsatisfiable core [2022-07-13 02:16:44,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 02:16:45,886 INFO L134 CoverageAnalysis]: Checked inductivity of 660 backedges. 0 proven. 660 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 02:16:45,886 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-13 02:18:17,789 INFO L134 CoverageAnalysis]: Checked inductivity of 660 backedges. 0 proven. 658 refuted. 2 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 02:18:17,789 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1742579058] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-13 02:18:17,789 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-13 02:18:17,789 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32, 32] total 85 [2022-07-13 02:18:17,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611836605] [2022-07-13 02:18:17,790 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-13 02:18:17,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 86 states [2022-07-13 02:18:17,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 02:18:17,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2022-07-13 02:18:17,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1334, Invalid=5923, Unknown=53, NotChecked=0, Total=7310 [2022-07-13 02:18:17,794 INFO L87 Difference]: Start difference. First operand 96 states and 96 transitions. Second operand has 86 states, 85 states have (on average 2.988235294117647) internal successors, (254), 86 states have internal predecessors, (254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 02:18:22,686 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse1 (* (- 1) |c_ULTIMATE.start_main_~i~0#1|)) (.cse2 (+ |c_ULTIMATE.start_main_~i~0#1| 1)) (.cse0 (* |c_ULTIMATE.start_main_~c~0#1| (- 1)))) (and (forall ((|aux_mod_aux_div_v_ULTIMATE.start_main_~c~0#1_54_110_63| Int) (|aux_div_aux_div_v_ULTIMATE.start_main_~c~0#1_54_110_63| Int) (|v_ULTIMATE.start_main_~i~0#1_56| Int)) (or (> 0 |aux_mod_aux_div_v_ULTIMATE.start_main_~c~0#1_54_110_63|) (< (+ 2 |c_ULTIMATE.start_main_~i~0#1|) |v_ULTIMATE.start_main_~i~0#1_56|) (<= (+ |c_ULTIMATE.start_main_~c~0#1| (* |aux_mod_aux_div_v_ULTIMATE.start_main_~c~0#1_54_110_63| 2) (* |v_ULTIMATE.start_main_~i~0#1_56| 3) (* |aux_div_aux_div_v_ULTIMATE.start_main_~c~0#1_54_110_63| 4) |c_ULTIMATE.start_main_~i~0#1|) 2147483619) (>= |aux_mod_aux_div_v_ULTIMATE.start_main_~c~0#1_54_110_63| 2) (<= |v_ULTIMATE.start_main_~i~0#1_56| (+ |aux_div_aux_div_v_ULTIMATE.start_main_~c~0#1_54_110_63| 1)))) (forall ((|aux_mod_aux_div_v_ULTIMATE.start_main_~c~0#1_54_110_63| Int) (|aux_div_aux_div_v_ULTIMATE.start_main_~c~0#1_54_110_63| Int) (|v_ULTIMATE.start_main_~i~0#1_58| Int) (|v_ULTIMATE.start_main_~i~0#1_56| Int) (|v_ULTIMATE.start_main_~i~0#1_60| Int)) (or (> 0 |aux_mod_aux_div_v_ULTIMATE.start_main_~c~0#1_54_110_63|) (< (+ |v_ULTIMATE.start_main_~i~0#1_60| 2) |v_ULTIMATE.start_main_~i~0#1_58|) (< (+ |v_ULTIMATE.start_main_~i~0#1_58| 2) |v_ULTIMATE.start_main_~i~0#1_56|) (<= (+ |c_ULTIMATE.start_main_~c~0#1| (* |aux_mod_aux_div_v_ULTIMATE.start_main_~c~0#1_54_110_63| 2) (* |v_ULTIMATE.start_main_~i~0#1_56| 3) (* |v_ULTIMATE.start_main_~i~0#1_60| 6) (* |aux_div_aux_div_v_ULTIMATE.start_main_~c~0#1_54_110_63| 4) (* |v_ULTIMATE.start_main_~i~0#1_58| 2)) 2147483628) (>= |aux_mod_aux_div_v_ULTIMATE.start_main_~c~0#1_54_110_63| 2) (not (< |v_ULTIMATE.start_main_~i~0#1_60| 100)) (<= |v_ULTIMATE.start_main_~i~0#1_56| (+ |aux_div_aux_div_v_ULTIMATE.start_main_~c~0#1_54_110_63| 1)))) (<= |c_ULTIMATE.start_main_~i~0#1| (div (+ (- 4) (div (+ .cse0 2147483634) 2) .cse1) 2)) (<= .cse2 (div (+ .cse0 2147483646) 2)) (<= |c_ULTIMATE.start_main_~i~0#1| (div (+ .cse0 .cse1 2147483641) 2)) (forall ((|v_ULTIMATE.start_main_~i~0#1_58| Int)) (or (forall ((|aux_mod_aux_div_v_ULTIMATE.start_main_~c~0#1_54_110_63| Int) (|aux_div_aux_div_v_ULTIMATE.start_main_~c~0#1_54_110_63| Int) (|v_ULTIMATE.start_main_~i~0#1_56| Int)) (or (> 0 |aux_mod_aux_div_v_ULTIMATE.start_main_~c~0#1_54_110_63|) (< (+ |v_ULTIMATE.start_main_~i~0#1_58| 2) |v_ULTIMATE.start_main_~i~0#1_56|) (<= (+ |c_ULTIMATE.start_main_~c~0#1| (* |aux_mod_aux_div_v_ULTIMATE.start_main_~c~0#1_54_110_63| 2) (* |v_ULTIMATE.start_main_~i~0#1_56| 3) (* |aux_div_aux_div_v_ULTIMATE.start_main_~c~0#1_54_110_63| 4) (* |v_ULTIMATE.start_main_~i~0#1_58| 2)) 2147483619) (>= |aux_mod_aux_div_v_ULTIMATE.start_main_~c~0#1_54_110_63| 2) (<= |v_ULTIMATE.start_main_~i~0#1_56| (+ |aux_div_aux_div_v_ULTIMATE.start_main_~c~0#1_54_110_63| 1)))) (not (<= |v_ULTIMATE.start_main_~i~0#1_58| (+ |c_ULTIMATE.start_main_~i~0#1| 1))))) (forall ((|aux_mod_aux_div_v_ULTIMATE.start_main_~c~0#1_54_110_63| Int) (|aux_div_aux_div_v_ULTIMATE.start_main_~c~0#1_54_110_63| Int) (|v_ULTIMATE.start_main_~i~0#1_58| Int) (|v_ULTIMATE.start_main_~i~0#1_56| Int)) (or (> 0 |aux_mod_aux_div_v_ULTIMATE.start_main_~c~0#1_54_110_63|) (<= (+ |c_ULTIMATE.start_main_~c~0#1| (* |aux_mod_aux_div_v_ULTIMATE.start_main_~c~0#1_54_110_63| 2) (* |v_ULTIMATE.start_main_~i~0#1_56| 3) (* |aux_div_aux_div_v_ULTIMATE.start_main_~c~0#1_54_110_63| 4) |c_ULTIMATE.start_main_~i~0#1| (* |v_ULTIMATE.start_main_~i~0#1_58| 2)) 2147483618) (< (+ |v_ULTIMATE.start_main_~i~0#1_58| 2) |v_ULTIMATE.start_main_~i~0#1_56|) (>= |aux_mod_aux_div_v_ULTIMATE.start_main_~c~0#1_54_110_63| 2) (<= |v_ULTIMATE.start_main_~i~0#1_56| (+ |aux_div_aux_div_v_ULTIMATE.start_main_~c~0#1_54_110_63| 1)) (< (+ 2 |c_ULTIMATE.start_main_~i~0#1|) |v_ULTIMATE.start_main_~i~0#1_58|))) (<= .cse2 (div (+ (div (+ .cse0 2147483639) 2) 1) 2)) (forall ((|aux_div_aux_div_v_ULTIMATE.start_main_~i~0#1_54_105_63| Int) (|aux_mod_aux_div_v_ULTIMATE.start_main_~i~0#1_54_105_63| Int)) (let ((.cse3 (* |aux_mod_aux_div_v_ULTIMATE.start_main_~i~0#1_54_105_63| 2))) (or (<= (+ |c_ULTIMATE.start_main_~c~0#1| (* |aux_div_aux_div_v_ULTIMATE.start_main_~i~0#1_54_105_63| 4) |c_ULTIMATE.start_main_~i~0#1| .cse3) 2147483634) (<= 2147483637 (+ |c_ULTIMATE.start_main_~c~0#1| (* 5 |aux_div_aux_div_v_ULTIMATE.start_main_~i~0#1_54_105_63|) .cse3)) (<= (+ |c_ULTIMATE.start_main_~i~0#1| 1) |aux_div_aux_div_v_ULTIMATE.start_main_~i~0#1_54_105_63|) (> 0 |aux_mod_aux_div_v_ULTIMATE.start_main_~i~0#1_54_105_63|) (>= |aux_mod_aux_div_v_ULTIMATE.start_main_~i~0#1_54_105_63| 2)))) (<= (+ |c_ULTIMATE.start_main_~c~0#1| |c_ULTIMATE.start_main_~i~0#1|) 2147483646) (forall ((|v_ULTIMATE.start_main_~i~0#1_56| Int)) (or (not (<= |v_ULTIMATE.start_main_~i~0#1_56| (+ |c_ULTIMATE.start_main_~i~0#1| 1))) (<= |v_ULTIMATE.start_main_~i~0#1_56| (+ (div (+ (- 1) (div (+ (* |v_ULTIMATE.start_main_~i~0#1_56| (- 3)) 2147483624 (* |c_ULTIMATE.start_main_~c~0#1| (- 1))) 2)) 2) 1)))))) is different from false [2022-07-13 02:18:25,132 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (* 2 |c_ULTIMATE.start_main_~i~0#1|)) (.cse1 (* |c_ULTIMATE.start_main_~c~0#1| (- 1))) (.cse2 (* (- 1) |c_ULTIMATE.start_main_~i~0#1|))) (and (forall ((|aux_mod_aux_div_v_ULTIMATE.start_main_~c~0#1_54_110_63| Int) (|aux_div_aux_div_v_ULTIMATE.start_main_~c~0#1_54_110_63| Int) (|v_ULTIMATE.start_main_~i~0#1_56| Int)) (or (> 0 |aux_mod_aux_div_v_ULTIMATE.start_main_~c~0#1_54_110_63|) (< (+ 2 |c_ULTIMATE.start_main_~i~0#1|) |v_ULTIMATE.start_main_~i~0#1_56|) (>= |aux_mod_aux_div_v_ULTIMATE.start_main_~c~0#1_54_110_63| 2) (<= (+ |c_ULTIMATE.start_main_~c~0#1| (* 2 |c_ULTIMATE.start_main_~i~0#1|) (* |aux_mod_aux_div_v_ULTIMATE.start_main_~c~0#1_54_110_63| 2) (* |v_ULTIMATE.start_main_~i~0#1_56| 3) (* |aux_div_aux_div_v_ULTIMATE.start_main_~c~0#1_54_110_63| 4)) 2147483619) (<= |v_ULTIMATE.start_main_~i~0#1_56| (+ |aux_div_aux_div_v_ULTIMATE.start_main_~c~0#1_54_110_63| 1)))) (<= (+ |c_ULTIMATE.start_main_~c~0#1| .cse0) 2147483646) (forall ((|aux_mod_aux_div_v_ULTIMATE.start_main_~c~0#1_54_110_63| Int) (|aux_div_aux_div_v_ULTIMATE.start_main_~c~0#1_54_110_63| Int) (|v_ULTIMATE.start_main_~i~0#1_58| Int) (|v_ULTIMATE.start_main_~i~0#1_56| Int) (|v_ULTIMATE.start_main_~i~0#1_60| Int)) (or (> 0 |aux_mod_aux_div_v_ULTIMATE.start_main_~c~0#1_54_110_63|) (< (+ |v_ULTIMATE.start_main_~i~0#1_60| 2) |v_ULTIMATE.start_main_~i~0#1_58|) (< (+ |v_ULTIMATE.start_main_~i~0#1_58| 2) |v_ULTIMATE.start_main_~i~0#1_56|) (<= (+ |c_ULTIMATE.start_main_~c~0#1| (* |aux_mod_aux_div_v_ULTIMATE.start_main_~c~0#1_54_110_63| 2) (* |v_ULTIMATE.start_main_~i~0#1_56| 3) (* |v_ULTIMATE.start_main_~i~0#1_60| 6) (* |aux_div_aux_div_v_ULTIMATE.start_main_~c~0#1_54_110_63| 4) (* |v_ULTIMATE.start_main_~i~0#1_58| 2)) 2147483628) (>= |aux_mod_aux_div_v_ULTIMATE.start_main_~c~0#1_54_110_63| 2) (not (< |v_ULTIMATE.start_main_~i~0#1_60| 100)) (<= |v_ULTIMATE.start_main_~i~0#1_56| (+ |aux_div_aux_div_v_ULTIMATE.start_main_~c~0#1_54_110_63| 1)))) (<= (+ |c_ULTIMATE.start_main_~c~0#1| |c_ULTIMATE.start_main_~i~0#1|) 2147483647) (forall ((|aux_mod_aux_div_v_ULTIMATE.start_main_~c~0#1_54_110_63| Int) (|aux_div_aux_div_v_ULTIMATE.start_main_~c~0#1_54_110_63| Int) (|v_ULTIMATE.start_main_~i~0#1_56| Int)) (or (<= (+ |c_ULTIMATE.start_main_~c~0#1| (* |aux_mod_aux_div_v_ULTIMATE.start_main_~c~0#1_54_110_63| 2) (* |v_ULTIMATE.start_main_~i~0#1_56| 3) (* |aux_div_aux_div_v_ULTIMATE.start_main_~c~0#1_54_110_63| 4) |c_ULTIMATE.start_main_~i~0#1|) 2147483620) (> 0 |aux_mod_aux_div_v_ULTIMATE.start_main_~c~0#1_54_110_63|) (not (<= |v_ULTIMATE.start_main_~i~0#1_56| (+ |c_ULTIMATE.start_main_~i~0#1| 1))) (>= |aux_mod_aux_div_v_ULTIMATE.start_main_~c~0#1_54_110_63| 2) (<= |v_ULTIMATE.start_main_~i~0#1_56| (+ |aux_div_aux_div_v_ULTIMATE.start_main_~c~0#1_54_110_63| 1)))) (<= .cse0 (+ (div (+ .cse1 2147483639) 2) 1)) (forall ((|aux_mod_aux_div_v_ULTIMATE.start_main_~c~0#1_54_110_63| Int) (|aux_div_aux_div_v_ULTIMATE.start_main_~c~0#1_54_110_63| Int) (|v_ULTIMATE.start_main_~i~0#1_58| Int) (|v_ULTIMATE.start_main_~i~0#1_56| Int)) (or (> 0 |aux_mod_aux_div_v_ULTIMATE.start_main_~c~0#1_54_110_63|) (< (+ |v_ULTIMATE.start_main_~i~0#1_58| 2) |v_ULTIMATE.start_main_~i~0#1_56|) (not (<= |v_ULTIMATE.start_main_~i~0#1_58| (+ |c_ULTIMATE.start_main_~i~0#1| 1))) (<= (+ |c_ULTIMATE.start_main_~c~0#1| (* |aux_mod_aux_div_v_ULTIMATE.start_main_~c~0#1_54_110_63| 2) (* |v_ULTIMATE.start_main_~i~0#1_56| 3) (* |aux_div_aux_div_v_ULTIMATE.start_main_~c~0#1_54_110_63| 4) |c_ULTIMATE.start_main_~i~0#1| (* |v_ULTIMATE.start_main_~i~0#1_58| 2)) 2147483619) (>= |aux_mod_aux_div_v_ULTIMATE.start_main_~c~0#1_54_110_63| 2) (<= |v_ULTIMATE.start_main_~i~0#1_56| (+ |aux_div_aux_div_v_ULTIMATE.start_main_~c~0#1_54_110_63| 1)))) (<= |c_ULTIMATE.start_main_~i~0#1| (+ (div (+ (- 1) (div (+ 2147483624 .cse1 (* (- 3) |c_ULTIMATE.start_main_~i~0#1|)) 2)) 2) 1)) (<= |c_ULTIMATE.start_main_~i~0#1| (div (+ (- 1) (div (+ .cse1 2147483634) 2) .cse2) 2)) (<= |c_ULTIMATE.start_main_~i~0#1| (div (+ .cse1 2147483644 .cse2) 2)) (<= |c_ULTIMATE.start_main_~i~0#1| (div (+ (- 1) (div (+ .cse1 .cse2 2147483639) 2)) 2)))) is different from false