./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fcb8e130 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-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 ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e0c2b6cb89e48a11e817cc51933cd8194bf8c1187502e8ea2a988dbf620106e5 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-fcb8e13 [2021-11-23 04:31:58,561 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 04:31:58,563 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 04:31:58,592 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 04:31:58,607 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 04:31:58,608 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 04:31:58,609 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 04:31:58,610 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 04:31:58,612 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 04:31:58,612 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 04:31:58,613 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 04:31:58,614 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 04:31:58,614 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 04:31:58,615 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 04:31:58,616 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 04:31:58,616 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 04:31:58,617 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 04:31:58,618 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 04:31:58,622 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 04:31:58,623 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 04:31:58,629 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 04:31:58,630 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 04:31:58,631 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 04:31:58,632 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 04:31:58,633 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 04:31:58,636 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 04:31:58,636 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 04:31:58,637 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 04:31:58,637 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 04:31:58,638 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 04:31:58,638 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 04:31:58,639 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 04:31:58,640 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 04:31:58,640 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 04:31:58,641 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 04:31:58,641 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 04:31:58,642 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 04:31:58,642 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 04:31:58,642 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 04:31:58,643 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 04:31:58,643 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 04:31:58,646 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-23 04:31:58,662 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 04:31:58,663 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 04:31:58,663 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 04:31:58,664 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 04:31:58,665 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 04:31:58,665 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 04:31:58,665 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 04:31:58,665 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 04:31:58,665 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 04:31:58,666 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 04:31:58,666 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 04:31:58,666 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 04:31:58,666 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 04:31:58,667 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 04:31:58,667 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 04:31:58,667 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 04:31:58,667 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 04:31:58,667 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 04:31:58,667 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 04:31:58,667 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 04:31:58,668 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 04:31:58,668 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 04:31:58,668 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 04:31:58,668 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 04:31:58,668 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 04:31:58,668 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-23 04:31:58,668 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-23 04:31:58,669 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 04:31:58,669 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 04:31:58,669 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e0c2b6cb89e48a11e817cc51933cd8194bf8c1187502e8ea2a988dbf620106e5 [2021-11-23 04:31:58,822 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 04:31:58,837 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 04:31:58,839 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 04:31:58,840 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 04:31:58,840 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 04:31:58,841 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i [2021-11-23 04:31:58,896 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ef923b98/d82a65590ede4edfbdaf4c8e5f53a3b4/FLAG12d686656 [2021-11-23 04:31:59,424 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 04:31:59,425 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i [2021-11-23 04:31:59,462 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ef923b98/d82a65590ede4edfbdaf4c8e5f53a3b4/FLAG12d686656 [2021-11-23 04:31:59,614 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ef923b98/d82a65590ede4edfbdaf4c8e5f53a3b4 [2021-11-23 04:31:59,616 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 04:31:59,617 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 04:31:59,619 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 04:31:59,619 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 04:31:59,621 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 04:31:59,622 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:31:59" (1/1) ... [2021-11-23 04:31:59,623 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25764520 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:31:59, skipping insertion in model container [2021-11-23 04:31:59,623 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:31:59" (1/1) ... [2021-11-23 04:31:59,627 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 04:31:59,712 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 04:32:01,809 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341006,341019] [2021-11-23 04:32:01,811 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341151,341164] [2021-11-23 04:32:01,811 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341297,341310] [2021-11-23 04:32:01,811 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341462,341475] [2021-11-23 04:32:01,812 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341620,341633] [2021-11-23 04:32:01,812 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341778,341791] [2021-11-23 04:32:01,813 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341936,341949] [2021-11-23 04:32:01,813 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342096,342109] [2021-11-23 04:32:01,817 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342255,342268] [2021-11-23 04:32:01,818 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342394,342407] [2021-11-23 04:32:01,818 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342536,342549] [2021-11-23 04:32:01,820 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342685,342698] [2021-11-23 04:32:01,820 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342824,342837] [2021-11-23 04:32:01,820 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342979,342992] [2021-11-23 04:32:01,821 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[343139,343152] [2021-11-23 04:32:01,821 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[343290,343303] [2021-11-23 04:32:01,821 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[343441,343454] [2021-11-23 04:32:01,822 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[343593,343606] [2021-11-23 04:32:01,822 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[343742,343755] [2021-11-23 04:32:01,823 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[343890,343903] [2021-11-23 04:32:01,823 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344047,344060] [2021-11-23 04:32:01,824 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344196,344209] [2021-11-23 04:32:01,824 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344352,344365] [2021-11-23 04:32:01,825 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344505,344518] [2021-11-23 04:32:01,825 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344651,344664] [2021-11-23 04:32:01,827 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344794,344807] [2021-11-23 04:32:01,827 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344946,344959] [2021-11-23 04:32:01,827 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345092,345105] [2021-11-23 04:32:01,828 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345237,345250] [2021-11-23 04:32:01,829 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345391,345404] [2021-11-23 04:32:01,829 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345542,345555] [2021-11-23 04:32:01,830 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345697,345710] [2021-11-23 04:32:01,831 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345849,345862] [2021-11-23 04:32:01,831 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346004,346017] [2021-11-23 04:32:01,831 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346168,346181] [2021-11-23 04:32:01,831 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346324,346337] [2021-11-23 04:32:01,832 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346488,346501] [2021-11-23 04:32:01,832 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346630,346643] [2021-11-23 04:32:01,833 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346788,346801] [2021-11-23 04:32:01,833 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346955,346968] [2021-11-23 04:32:01,833 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347114,347127] [2021-11-23 04:32:01,834 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347273,347286] [2021-11-23 04:32:01,834 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347422,347435] [2021-11-23 04:32:01,834 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347569,347582] [2021-11-23 04:32:01,835 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347708,347721] [2021-11-23 04:32:01,836 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347871,347884] [2021-11-23 04:32:01,836 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348037,348050] [2021-11-23 04:32:01,837 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348201,348214] [2021-11-23 04:32:01,837 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348366,348379] [2021-11-23 04:32:01,838 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348531,348544] [2021-11-23 04:32:01,838 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348697,348710] [2021-11-23 04:32:01,838 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348862,348875] [2021-11-23 04:32:01,838 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349029,349042] [2021-11-23 04:32:01,839 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349189,349202] [2021-11-23 04:32:01,842 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349351,349364] [2021-11-23 04:32:01,842 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349510,349523] [2021-11-23 04:32:01,843 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349656,349669] [2021-11-23 04:32:01,843 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349799,349812] [2021-11-23 04:32:01,843 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349943,349956] [2021-11-23 04:32:01,843 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350086,350099] [2021-11-23 04:32:01,844 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350230,350243] [2021-11-23 04:32:01,844 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350371,350384] [2021-11-23 04:32:01,844 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350509,350522] [2021-11-23 04:32:01,845 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350667,350680] [2021-11-23 04:32:01,845 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350826,350839] [2021-11-23 04:32:01,845 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350982,350995] [2021-11-23 04:32:01,845 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[351131,351144] [2021-11-23 04:32:01,846 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[351283,351296] [2021-11-23 04:32:01,846 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[351434,351447] [2021-11-23 04:32:01,846 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[351583,351596] [2021-11-23 04:32:01,846 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[351735,351748] [2021-11-23 04:32:01,847 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[351883,351896] [2021-11-23 04:32:01,847 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352036,352049] [2021-11-23 04:32:01,847 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352187,352200] [2021-11-23 04:32:01,848 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352337,352350] [2021-11-23 04:32:01,848 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352484,352497] [2021-11-23 04:32:01,848 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352635,352648] [2021-11-23 04:32:01,848 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352786,352799] [2021-11-23 04:32:01,849 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352934,352947] [2021-11-23 04:32:01,849 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[353100,353113] [2021-11-23 04:32:01,849 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[353269,353282] [2021-11-23 04:32:01,849 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[353436,353449] [2021-11-23 04:32:01,850 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[353604,353617] [2021-11-23 04:32:01,850 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[353754,353767] [2021-11-23 04:32:01,851 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[353901,353914] [2021-11-23 04:32:01,851 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[354062,354075] [2021-11-23 04:32:01,851 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[354232,354245] [2021-11-23 04:32:01,851 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[354394,354407] [2021-11-23 04:32:01,858 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 04:32:01,895 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 04:32:02,113 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341006,341019] [2021-11-23 04:32:02,114 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341151,341164] [2021-11-23 04:32:02,114 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341297,341310] [2021-11-23 04:32:02,115 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341462,341475] [2021-11-23 04:32:02,116 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341620,341633] [2021-11-23 04:32:02,116 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341778,341791] [2021-11-23 04:32:02,116 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341936,341949] [2021-11-23 04:32:02,117 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342096,342109] [2021-11-23 04:32:02,117 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342255,342268] [2021-11-23 04:32:02,118 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342394,342407] [2021-11-23 04:32:02,118 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342536,342549] [2021-11-23 04:32:02,119 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342685,342698] [2021-11-23 04:32:02,119 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342824,342837] [2021-11-23 04:32:02,119 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342979,342992] [2021-11-23 04:32:02,119 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[343139,343152] [2021-11-23 04:32:02,120 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[343290,343303] [2021-11-23 04:32:02,120 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[343441,343454] [2021-11-23 04:32:02,120 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[343593,343606] [2021-11-23 04:32:02,121 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[343742,343755] [2021-11-23 04:32:02,121 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[343890,343903] [2021-11-23 04:32:02,121 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344047,344060] [2021-11-23 04:32:02,121 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344196,344209] [2021-11-23 04:32:02,122 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344352,344365] [2021-11-23 04:32:02,123 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344505,344518] [2021-11-23 04:32:02,123 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344651,344664] [2021-11-23 04:32:02,124 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344794,344807] [2021-11-23 04:32:02,124 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344946,344959] [2021-11-23 04:32:02,124 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345092,345105] [2021-11-23 04:32:02,124 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345237,345250] [2021-11-23 04:32:02,125 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345391,345404] [2021-11-23 04:32:02,125 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345542,345555] [2021-11-23 04:32:02,125 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345697,345710] [2021-11-23 04:32:02,126 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345849,345862] [2021-11-23 04:32:02,126 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346004,346017] [2021-11-23 04:32:02,126 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346168,346181] [2021-11-23 04:32:02,126 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346324,346337] [2021-11-23 04:32:02,127 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346488,346501] [2021-11-23 04:32:02,127 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346630,346643] [2021-11-23 04:32:02,128 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346788,346801] [2021-11-23 04:32:02,128 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346955,346968] [2021-11-23 04:32:02,129 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347114,347127] [2021-11-23 04:32:02,129 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347273,347286] [2021-11-23 04:32:02,130 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347422,347435] [2021-11-23 04:32:02,130 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347569,347582] [2021-11-23 04:32:02,133 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347708,347721] [2021-11-23 04:32:02,133 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347871,347884] [2021-11-23 04:32:02,134 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348037,348050] [2021-11-23 04:32:02,134 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348201,348214] [2021-11-23 04:32:02,134 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348366,348379] [2021-11-23 04:32:02,135 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348531,348544] [2021-11-23 04:32:02,136 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348697,348710] [2021-11-23 04:32:02,136 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348862,348875] [2021-11-23 04:32:02,136 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349029,349042] [2021-11-23 04:32:02,137 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349189,349202] [2021-11-23 04:32:02,137 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349351,349364] [2021-11-23 04:32:02,137 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349510,349523] [2021-11-23 04:32:02,138 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349656,349669] [2021-11-23 04:32:02,138 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349799,349812] [2021-11-23 04:32:02,138 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349943,349956] [2021-11-23 04:32:02,139 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350086,350099] [2021-11-23 04:32:02,139 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350230,350243] [2021-11-23 04:32:02,139 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350371,350384] [2021-11-23 04:32:02,140 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350509,350522] [2021-11-23 04:32:02,143 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350667,350680] [2021-11-23 04:32:02,144 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350826,350839] [2021-11-23 04:32:02,146 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350982,350995] [2021-11-23 04:32:02,146 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[351131,351144] [2021-11-23 04:32:02,147 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[351283,351296] [2021-11-23 04:32:02,147 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[351434,351447] [2021-11-23 04:32:02,148 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[351583,351596] [2021-11-23 04:32:02,149 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[351735,351748] [2021-11-23 04:32:02,149 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[351883,351896] [2021-11-23 04:32:02,149 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352036,352049] [2021-11-23 04:32:02,150 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352187,352200] [2021-11-23 04:32:02,154 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352337,352350] [2021-11-23 04:32:02,154 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352484,352497] [2021-11-23 04:32:02,155 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352635,352648] [2021-11-23 04:32:02,155 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352786,352799] [2021-11-23 04:32:02,156 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352934,352947] [2021-11-23 04:32:02,156 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[353100,353113] [2021-11-23 04:32:02,157 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[353269,353282] [2021-11-23 04:32:02,157 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[353436,353449] [2021-11-23 04:32:02,157 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[353604,353617] [2021-11-23 04:32:02,158 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[353754,353767] [2021-11-23 04:32:02,158 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[353901,353914] [2021-11-23 04:32:02,158 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[354062,354075] [2021-11-23 04:32:02,159 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[354232,354245] [2021-11-23 04:32:02,159 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[354394,354407] [2021-11-23 04:32:02,161 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 04:32:02,310 INFO L208 MainTranslator]: Completed translation [2021-11-23 04:32:02,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:32:02 WrapperNode [2021-11-23 04:32:02,310 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 04:32:02,311 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 04:32:02,312 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 04:32:02,312 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 04:32:02,317 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:32:02" (1/1) ... [2021-11-23 04:32:02,406 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:32:02" (1/1) ... [2021-11-23 04:32:02,820 INFO L137 Inliner]: procedures = 609, calls = 2320, calls flagged for inlining = 897, calls inlined = 1619, statements flattened = 21947 [2021-11-23 04:32:02,826 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 04:32:02,827 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 04:32:02,827 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 04:32:02,827 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 04:32:02,833 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:32:02" (1/1) ... [2021-11-23 04:32:02,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:32:02" (1/1) ... [2021-11-23 04:32:02,953 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:32:02" (1/1) ... [2021-11-23 04:32:02,954 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:32:02" (1/1) ... [2021-11-23 04:32:03,312 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:32:02" (1/1) ... [2021-11-23 04:32:03,359 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:32:02" (1/1) ... [2021-11-23 04:32:03,400 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:32:02" (1/1) ... [2021-11-23 04:32:03,471 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 04:32:03,471 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 04:32:03,472 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 04:32:03,472 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 04:32:03,472 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:32:02" (1/1) ... [2021-11-23 04:32:03,477 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 04:32:03,483 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-23 04:32:03,492 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 04:32:03,508 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 04:32:03,516 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-23 04:32:03,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 04:32:03,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 04:32:03,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 04:32:03,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 04:32:03,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 04:32:03,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 04:32:03,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 04:32:03,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 04:32:03,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 04:32:03,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 04:32:03,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 04:32:03,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 04:32:03,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 04:32:03,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 04:32:03,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 04:32:03,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 04:32:04,178 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 04:32:04,179 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 04:32:12,501 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7909: #t~ret968#1 := main_#res#1;assume { :end_inline_main } true; [2021-11-23 04:32:12,504 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_entry_EMGentry_12_returnLabel#1: assume { :end_inline_ldv_entry_EMGentry_12 } true;main_#res#1 := 0; [2021-11-23 04:32:12,504 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-23 04:32:12,504 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 04:32:12,548 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 04:32:12,556 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 04:32:12,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:32:12 BoogieIcfgContainer [2021-11-23 04:32:12,566 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 04:32:12,568 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 04:32:12,568 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 04:32:12,571 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 04:32:12,571 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:31:59" (1/3) ... [2021-11-23 04:32:12,572 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58fcdabe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:32:12, skipping insertion in model container [2021-11-23 04:32:12,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:32:02" (2/3) ... [2021-11-23 04:32:12,572 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58fcdabe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:32:12, skipping insertion in model container [2021-11-23 04:32:12,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:32:12" (3/3) ... [2021-11-23 04:32:12,573 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i [2021-11-23 04:32:12,577 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 04:32:12,577 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 150 error locations. [2021-11-23 04:32:12,623 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 04:32:12,629 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 04:32:12,629 INFO L340 AbstractCegarLoop]: Starting to check reachability of 150 error locations. [2021-11-23 04:32:12,686 INFO L276 IsEmpty]: Start isEmpty. Operand has 3532 states, 3382 states have (on average 1.3725606150206977) internal successors, (4642), 3531 states have internal predecessors, (4642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:12,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 04:32:12,692 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:32:12,692 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:32:12,692 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr67ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 147 more)] === [2021-11-23 04:32:12,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:32:12,699 INFO L85 PathProgramCache]: Analyzing trace with hash -1018767606, now seen corresponding path program 1 times [2021-11-23 04:32:12,705 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:32:12,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862530542] [2021-11-23 04:32:12,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:32:12,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:32:12,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:32:13,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:32:13,144 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:32:13,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862530542] [2021-11-23 04:32:13,144 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862530542] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:32:13,145 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:32:13,145 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 04:32:13,146 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707081245] [2021-11-23 04:32:13,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:32:13,149 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 04:32:13,150 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:32:13,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 04:32:13,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 04:32:13,174 INFO L87 Difference]: Start difference. First operand has 3532 states, 3382 states have (on average 1.3725606150206977) internal successors, (4642), 3531 states have internal predecessors, (4642), 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 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:13,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:32:13,510 INFO L93 Difference]: Finished difference Result 6984 states and 9185 transitions. [2021-11-23 04:32:13,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 04:32:13,513 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 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 31 [2021-11-23 04:32:13,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:32:13,538 INFO L225 Difference]: With dead ends: 6984 [2021-11-23 04:32:13,539 INFO L226 Difference]: Without dead ends: 3425 [2021-11-23 04:32:13,554 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 04:32:13,560 INFO L933 BasicCegarLoop]: 4484 mSDtfsCounter, 4668 mSDsluCounter, 4278 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4668 SdHoareTripleChecker+Valid, 8762 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 04:32:13,561 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4668 Valid, 8762 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 04:32:13,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3425 states. [2021-11-23 04:32:13,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3425 to 3425. [2021-11-23 04:32:13,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3425 states, 3277 states have (on average 1.3088190418065304) internal successors, (4289), 3424 states have internal predecessors, (4289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:13,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3425 states to 3425 states and 4289 transitions. [2021-11-23 04:32:13,690 INFO L78 Accepts]: Start accepts. Automaton has 3425 states and 4289 transitions. Word has length 31 [2021-11-23 04:32:13,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:32:13,691 INFO L470 AbstractCegarLoop]: Abstraction has 3425 states and 4289 transitions. [2021-11-23 04:32:13,692 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:13,693 INFO L276 IsEmpty]: Start isEmpty. Operand 3425 states and 4289 transitions. [2021-11-23 04:32:13,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 04:32:13,693 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:32:13,694 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:32:13,694 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 04:32:13,694 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr68ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 147 more)] === [2021-11-23 04:32:13,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:32:13,696 INFO L85 PathProgramCache]: Analyzing trace with hash -1858400055, now seen corresponding path program 1 times [2021-11-23 04:32:13,697 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:32:13,697 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012667574] [2021-11-23 04:32:13,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:32:13,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:32:13,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:32:13,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:32:13,882 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:32:13,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012667574] [2021-11-23 04:32:13,882 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012667574] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:32:13,882 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:32:13,882 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 04:32:13,883 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897625626] [2021-11-23 04:32:13,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:32:13,884 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 04:32:13,885 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:32:13,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 04:32:13,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 04:32:13,887 INFO L87 Difference]: Start difference. First operand 3425 states and 4289 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:13,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:32:13,968 INFO L93 Difference]: Finished difference Result 3425 states and 4289 transitions. [2021-11-23 04:32:13,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 04:32:13,969 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-11-23 04:32:13,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:32:13,978 INFO L225 Difference]: With dead ends: 3425 [2021-11-23 04:32:13,978 INFO L226 Difference]: Without dead ends: 3421 [2021-11-23 04:32:13,979 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 04:32:13,982 INFO L933 BasicCegarLoop]: 4281 mSDtfsCounter, 4442 mSDsluCounter, 4095 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4442 SdHoareTripleChecker+Valid, 8376 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 04:32:13,982 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4442 Valid, 8376 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 04:32:13,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3421 states. [2021-11-23 04:32:14,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3421 to 3421. [2021-11-23 04:32:14,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3421 states, 3275 states have (on average 1.3083969465648855) internal successors, (4285), 3420 states have internal predecessors, (4285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:14,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3421 states to 3421 states and 4285 transitions. [2021-11-23 04:32:14,067 INFO L78 Accepts]: Start accepts. Automaton has 3421 states and 4285 transitions. Word has length 34 [2021-11-23 04:32:14,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:32:14,067 INFO L470 AbstractCegarLoop]: Abstraction has 3421 states and 4285 transitions. [2021-11-23 04:32:14,067 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:14,067 INFO L276 IsEmpty]: Start isEmpty. Operand 3421 states and 4285 transitions. [2021-11-23 04:32:14,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 04:32:14,069 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:32:14,069 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:32:14,069 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 04:32:14,069 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr69ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 147 more)] === [2021-11-23 04:32:14,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:32:14,070 INFO L85 PathProgramCache]: Analyzing trace with hash -1459144394, now seen corresponding path program 1 times [2021-11-23 04:32:14,070 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:32:14,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386423352] [2021-11-23 04:32:14,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:32:14,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:32:14,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:32:14,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:32:14,229 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:32:14,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386423352] [2021-11-23 04:32:14,230 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386423352] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:32:14,230 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:32:14,230 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 04:32:14,230 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197187669] [2021-11-23 04:32:14,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:32:14,231 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 04:32:14,231 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:32:14,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 04:32:14,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 04:32:14,232 INFO L87 Difference]: Start difference. First operand 3421 states and 4285 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:14,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:32:14,309 INFO L93 Difference]: Finished difference Result 3421 states and 4285 transitions. [2021-11-23 04:32:14,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 04:32:14,310 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 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 37 [2021-11-23 04:32:14,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:32:14,319 INFO L225 Difference]: With dead ends: 3421 [2021-11-23 04:32:14,319 INFO L226 Difference]: Without dead ends: 3417 [2021-11-23 04:32:14,322 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 04:32:14,324 INFO L933 BasicCegarLoop]: 4277 mSDtfsCounter, 4425 mSDsluCounter, 4101 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4425 SdHoareTripleChecker+Valid, 8378 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 04:32:14,324 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4425 Valid, 8378 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 04:32:14,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3417 states. [2021-11-23 04:32:14,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3417 to 3417. [2021-11-23 04:32:14,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3417 states, 3273 states have (on average 1.307974335472044) internal successors, (4281), 3416 states have internal predecessors, (4281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:14,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3417 states to 3417 states and 4281 transitions. [2021-11-23 04:32:14,401 INFO L78 Accepts]: Start accepts. Automaton has 3417 states and 4281 transitions. Word has length 37 [2021-11-23 04:32:14,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:32:14,401 INFO L470 AbstractCegarLoop]: Abstraction has 3417 states and 4281 transitions. [2021-11-23 04:32:14,402 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:14,402 INFO L276 IsEmpty]: Start isEmpty. Operand 3417 states and 4281 transitions. [2021-11-23 04:32:14,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 04:32:14,407 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:32:14,407 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:32:14,407 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 04:32:14,407 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr70ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 147 more)] === [2021-11-23 04:32:14,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:32:14,408 INFO L85 PathProgramCache]: Analyzing trace with hash 1821749, now seen corresponding path program 1 times [2021-11-23 04:32:14,408 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:32:14,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053395657] [2021-11-23 04:32:14,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:32:14,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:32:14,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:32:14,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:32:14,536 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:32:14,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053395657] [2021-11-23 04:32:14,537 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053395657] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:32:14,537 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:32:14,537 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 04:32:14,537 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636249045] [2021-11-23 04:32:14,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:32:14,538 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 04:32:14,538 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:32:14,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 04:32:14,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 04:32:14,538 INFO L87 Difference]: Start difference. First operand 3417 states and 4281 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:14,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:32:14,705 INFO L93 Difference]: Finished difference Result 3417 states and 4281 transitions. [2021-11-23 04:32:14,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 04:32:14,705 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 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 40 [2021-11-23 04:32:14,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:32:14,714 INFO L225 Difference]: With dead ends: 3417 [2021-11-23 04:32:14,714 INFO L226 Difference]: Without dead ends: 3413 [2021-11-23 04:32:14,715 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 04:32:14,717 INFO L933 BasicCegarLoop]: 4273 mSDtfsCounter, 4408 mSDsluCounter, 4107 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4408 SdHoareTripleChecker+Valid, 8380 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 04:32:14,718 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4408 Valid, 8380 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 04:32:14,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3413 states. [2021-11-23 04:32:14,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3413 to 3413. [2021-11-23 04:32:14,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3413 states, 3271 states have (on average 1.3075512075817792) internal successors, (4277), 3412 states have internal predecessors, (4277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:14,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3413 states to 3413 states and 4277 transitions. [2021-11-23 04:32:14,793 INFO L78 Accepts]: Start accepts. Automaton has 3413 states and 4277 transitions. Word has length 40 [2021-11-23 04:32:14,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:32:14,795 INFO L470 AbstractCegarLoop]: Abstraction has 3413 states and 4277 transitions. [2021-11-23 04:32:14,795 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:14,795 INFO L276 IsEmpty]: Start isEmpty. Operand 3413 states and 4277 transitions. [2021-11-23 04:32:14,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 04:32:14,797 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:32:14,797 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:32:14,797 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-23 04:32:14,797 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr71ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 147 more)] === [2021-11-23 04:32:14,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:32:14,798 INFO L85 PathProgramCache]: Analyzing trace with hash -1554377886, now seen corresponding path program 1 times [2021-11-23 04:32:14,798 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:32:14,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722368745] [2021-11-23 04:32:14,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:32:14,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:32:14,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:32:14,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:32:14,917 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:32:14,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722368745] [2021-11-23 04:32:14,918 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722368745] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:32:14,918 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:32:14,918 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 04:32:14,918 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357517367] [2021-11-23 04:32:14,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:32:14,919 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 04:32:14,919 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:32:14,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 04:32:14,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 04:32:14,919 INFO L87 Difference]: Start difference. First operand 3413 states and 4277 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:14,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:32:15,000 INFO L93 Difference]: Finished difference Result 3413 states and 4277 transitions. [2021-11-23 04:32:15,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 04:32:15,000 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 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 43 [2021-11-23 04:32:15,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:32:15,011 INFO L225 Difference]: With dead ends: 3413 [2021-11-23 04:32:15,011 INFO L226 Difference]: Without dead ends: 3409 [2021-11-23 04:32:15,012 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 04:32:15,013 INFO L933 BasicCegarLoop]: 4269 mSDtfsCounter, 4391 mSDsluCounter, 4113 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4391 SdHoareTripleChecker+Valid, 8382 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 04:32:15,014 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4391 Valid, 8382 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 04:32:15,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3409 states. [2021-11-23 04:32:15,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3409 to 3409. [2021-11-23 04:32:15,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3409 states, 3269 states have (on average 1.3071275619455491) internal successors, (4273), 3408 states have internal predecessors, (4273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:15,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3409 states to 3409 states and 4273 transitions. [2021-11-23 04:32:15,104 INFO L78 Accepts]: Start accepts. Automaton has 3409 states and 4273 transitions. Word has length 43 [2021-11-23 04:32:15,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:32:15,105 INFO L470 AbstractCegarLoop]: Abstraction has 3409 states and 4273 transitions. [2021-11-23 04:32:15,105 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:15,105 INFO L276 IsEmpty]: Start isEmpty. Operand 3409 states and 4273 transitions. [2021-11-23 04:32:15,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 04:32:15,105 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:32:15,106 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:32:15,106 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-23 04:32:15,106 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr72ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 147 more)] === [2021-11-23 04:32:15,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:32:15,107 INFO L85 PathProgramCache]: Analyzing trace with hash 1874268065, now seen corresponding path program 1 times [2021-11-23 04:32:15,107 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:32:15,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014369651] [2021-11-23 04:32:15,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:32:15,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:32:15,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:32:15,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:32:15,200 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:32:15,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014369651] [2021-11-23 04:32:15,201 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014369651] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:32:15,201 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:32:15,201 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 04:32:15,201 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89259495] [2021-11-23 04:32:15,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:32:15,201 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 04:32:15,202 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:32:15,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 04:32:15,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 04:32:15,202 INFO L87 Difference]: Start difference. First operand 3409 states and 4273 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:15,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:32:15,283 INFO L93 Difference]: Finished difference Result 3409 states and 4273 transitions. [2021-11-23 04:32:15,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 04:32:15,284 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 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 46 [2021-11-23 04:32:15,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:32:15,294 INFO L225 Difference]: With dead ends: 3409 [2021-11-23 04:32:15,295 INFO L226 Difference]: Without dead ends: 3405 [2021-11-23 04:32:15,296 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 04:32:15,297 INFO L933 BasicCegarLoop]: 4265 mSDtfsCounter, 4374 mSDsluCounter, 4119 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4374 SdHoareTripleChecker+Valid, 8384 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 04:32:15,297 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4374 Valid, 8384 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 04:32:15,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3405 states. [2021-11-23 04:32:15,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3405 to 3405. [2021-11-23 04:32:15,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3405 states, 3267 states have (on average 1.3067033976124884) internal successors, (4269), 3404 states have internal predecessors, (4269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:15,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3405 states to 3405 states and 4269 transitions. [2021-11-23 04:32:15,397 INFO L78 Accepts]: Start accepts. Automaton has 3405 states and 4269 transitions. Word has length 46 [2021-11-23 04:32:15,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:32:15,397 INFO L470 AbstractCegarLoop]: Abstraction has 3405 states and 4269 transitions. [2021-11-23 04:32:15,397 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:15,397 INFO L276 IsEmpty]: Start isEmpty. Operand 3405 states and 4269 transitions. [2021-11-23 04:32:15,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 04:32:15,411 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:32:15,411 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:32:15,411 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-23 04:32:15,412 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr73ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 147 more)] === [2021-11-23 04:32:15,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:32:15,412 INFO L85 PathProgramCache]: Analyzing trace with hash 1753572750, now seen corresponding path program 1 times [2021-11-23 04:32:15,412 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:32:15,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448889655] [2021-11-23 04:32:15,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:32:15,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:32:15,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:32:15,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:32:15,503 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:32:15,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448889655] [2021-11-23 04:32:15,503 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448889655] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:32:15,503 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:32:15,503 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 04:32:15,503 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787024661] [2021-11-23 04:32:15,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:32:15,504 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 04:32:15,504 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:32:15,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 04:32:15,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 04:32:15,505 INFO L87 Difference]: Start difference. First operand 3405 states and 4269 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:15,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:32:15,767 INFO L93 Difference]: Finished difference Result 6360 states and 8008 transitions. [2021-11-23 04:32:15,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 04:32:15,767 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 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 49 [2021-11-23 04:32:15,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:32:15,783 INFO L225 Difference]: With dead ends: 6360 [2021-11-23 04:32:15,784 INFO L226 Difference]: Without dead ends: 6356 [2021-11-23 04:32:15,785 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 04:32:15,785 INFO L933 BasicCegarLoop]: 5022 mSDtfsCounter, 4412 mSDsluCounter, 8691 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4412 SdHoareTripleChecker+Valid, 13713 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 04:32:15,786 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4412 Valid, 13713 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 04:32:15,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6356 states. [2021-11-23 04:32:15,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6356 to 6047. [2021-11-23 04:32:15,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6047 states, 5909 states have (on average 1.3162971738026739) internal successors, (7778), 6046 states have internal predecessors, (7778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:15,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6047 states to 6047 states and 7778 transitions. [2021-11-23 04:32:15,962 INFO L78 Accepts]: Start accepts. Automaton has 6047 states and 7778 transitions. Word has length 49 [2021-11-23 04:32:15,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:32:15,962 INFO L470 AbstractCegarLoop]: Abstraction has 6047 states and 7778 transitions. [2021-11-23 04:32:15,962 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:15,963 INFO L276 IsEmpty]: Start isEmpty. Operand 6047 states and 7778 transitions. [2021-11-23 04:32:15,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 04:32:15,963 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:32:15,963 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:32:15,963 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-23 04:32:15,964 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr74ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 147 more)] === [2021-11-23 04:32:15,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:32:15,964 INFO L85 PathProgramCache]: Analyzing trace with hash 1007082253, now seen corresponding path program 1 times [2021-11-23 04:32:15,964 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:32:15,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763809776] [2021-11-23 04:32:15,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:32:15,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:32:16,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:32:16,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:32:16,054 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:32:16,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763809776] [2021-11-23 04:32:16,054 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763809776] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:32:16,054 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:32:16,054 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 04:32:16,054 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457457196] [2021-11-23 04:32:16,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:32:16,055 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 04:32:16,055 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:32:16,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 04:32:16,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 04:32:16,056 INFO L87 Difference]: Start difference. First operand 6047 states and 7778 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:16,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:32:16,222 INFO L93 Difference]: Finished difference Result 6047 states and 7778 transitions. [2021-11-23 04:32:16,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 04:32:16,222 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 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 52 [2021-11-23 04:32:16,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:32:16,232 INFO L225 Difference]: With dead ends: 6047 [2021-11-23 04:32:16,232 INFO L226 Difference]: Without dead ends: 6043 [2021-11-23 04:32:16,234 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 04:32:16,234 INFO L933 BasicCegarLoop]: 4261 mSDtfsCounter, 4344 mSDsluCounter, 4135 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4344 SdHoareTripleChecker+Valid, 8396 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 04:32:16,234 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4344 Valid, 8396 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 04:32:16,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6043 states. [2021-11-23 04:32:16,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6043 to 6043. [2021-11-23 04:32:16,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6043 states, 5907 states have (on average 1.3160656847807686) internal successors, (7774), 6042 states have internal predecessors, (7774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:16,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6043 states to 6043 states and 7774 transitions. [2021-11-23 04:32:16,429 INFO L78 Accepts]: Start accepts. Automaton has 6043 states and 7774 transitions. Word has length 52 [2021-11-23 04:32:16,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:32:16,429 INFO L470 AbstractCegarLoop]: Abstraction has 6043 states and 7774 transitions. [2021-11-23 04:32:16,430 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:16,430 INFO L276 IsEmpty]: Start isEmpty. Operand 6043 states and 7774 transitions. [2021-11-23 04:32:16,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 04:32:16,431 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:32:16,431 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:32:16,431 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-23 04:32:16,431 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr75ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 147 more)] === [2021-11-23 04:32:16,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:32:16,432 INFO L85 PathProgramCache]: Analyzing trace with hash 1438678256, now seen corresponding path program 1 times [2021-11-23 04:32:16,432 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:32:16,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28550145] [2021-11-23 04:32:16,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:32:16,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:32:16,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:32:16,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:32:16,523 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:32:16,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28550145] [2021-11-23 04:32:16,524 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28550145] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:32:16,524 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:32:16,524 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 04:32:16,524 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076690136] [2021-11-23 04:32:16,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:32:16,525 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 04:32:16,525 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:32:16,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 04:32:16,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 04:32:16,525 INFO L87 Difference]: Start difference. First operand 6043 states and 7774 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:16,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:32:16,818 INFO L93 Difference]: Finished difference Result 6043 states and 7774 transitions. [2021-11-23 04:32:16,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 04:32:16,818 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 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 54 [2021-11-23 04:32:16,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:32:16,826 INFO L225 Difference]: With dead ends: 6043 [2021-11-23 04:32:16,826 INFO L226 Difference]: Without dead ends: 6039 [2021-11-23 04:32:16,828 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 04:32:16,828 INFO L933 BasicCegarLoop]: 4257 mSDtfsCounter, 4330 mSDsluCounter, 4139 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4330 SdHoareTripleChecker+Valid, 8396 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 04:32:16,828 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4330 Valid, 8396 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 04:32:16,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6039 states. [2021-11-23 04:32:16,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6039 to 6039. [2021-11-23 04:32:16,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6039 states, 5905 states have (on average 1.3158340389500423) internal successors, (7770), 6038 states have internal predecessors, (7770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:16,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6039 states to 6039 states and 7770 transitions. [2021-11-23 04:32:16,992 INFO L78 Accepts]: Start accepts. Automaton has 6039 states and 7770 transitions. Word has length 54 [2021-11-23 04:32:16,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:32:16,993 INFO L470 AbstractCegarLoop]: Abstraction has 6039 states and 7770 transitions. [2021-11-23 04:32:16,993 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:16,993 INFO L276 IsEmpty]: Start isEmpty. Operand 6039 states and 7770 transitions. [2021-11-23 04:32:16,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 04:32:16,994 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:32:16,994 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:32:16,994 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-23 04:32:16,994 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr76ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 147 more)] === [2021-11-23 04:32:16,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:32:16,994 INFO L85 PathProgramCache]: Analyzing trace with hash 193807809, now seen corresponding path program 1 times [2021-11-23 04:32:16,995 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:32:16,995 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644684091] [2021-11-23 04:32:16,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:32:16,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:32:17,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:32:17,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:32:17,080 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:32:17,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644684091] [2021-11-23 04:32:17,080 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644684091] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:32:17,080 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:32:17,080 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 04:32:17,081 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944653283] [2021-11-23 04:32:17,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:32:17,081 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 04:32:17,081 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:32:17,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 04:32:17,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 04:32:17,082 INFO L87 Difference]: Start difference. First operand 6039 states and 7770 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:17,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:32:17,211 INFO L93 Difference]: Finished difference Result 6039 states and 7770 transitions. [2021-11-23 04:32:17,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 04:32:17,211 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 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 57 [2021-11-23 04:32:17,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:32:17,220 INFO L225 Difference]: With dead ends: 6039 [2021-11-23 04:32:17,220 INFO L226 Difference]: Without dead ends: 6035 [2021-11-23 04:32:17,221 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 04:32:17,221 INFO L933 BasicCegarLoop]: 4253 mSDtfsCounter, 4313 mSDsluCounter, 4145 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4313 SdHoareTripleChecker+Valid, 8398 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 04:32:17,222 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4313 Valid, 8398 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 04:32:17,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6035 states. [2021-11-23 04:32:17,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6035 to 6035. [2021-11-23 04:32:17,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6035 states, 5903 states have (on average 1.3156022361511097) internal successors, (7766), 6034 states have internal predecessors, (7766), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:17,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6035 states to 6035 states and 7766 transitions. [2021-11-23 04:32:17,354 INFO L78 Accepts]: Start accepts. Automaton has 6035 states and 7766 transitions. Word has length 57 [2021-11-23 04:32:17,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:32:17,354 INFO L470 AbstractCegarLoop]: Abstraction has 6035 states and 7766 transitions. [2021-11-23 04:32:17,354 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:17,354 INFO L276 IsEmpty]: Start isEmpty. Operand 6035 states and 7766 transitions. [2021-11-23 04:32:17,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-23 04:32:17,355 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:32:17,355 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:32:17,355 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-23 04:32:17,355 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 147 more)] === [2021-11-23 04:32:17,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:32:17,356 INFO L85 PathProgramCache]: Analyzing trace with hash 1374428979, now seen corresponding path program 1 times [2021-11-23 04:32:17,356 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:32:17,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762030959] [2021-11-23 04:32:17,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:32:17,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:32:17,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:32:17,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:32:17,570 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:32:17,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762030959] [2021-11-23 04:32:17,570 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762030959] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:32:17,570 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:32:17,570 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 04:32:17,570 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859578183] [2021-11-23 04:32:17,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:32:17,571 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 04:32:17,571 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:32:17,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 04:32:17,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 04:32:17,571 INFO L87 Difference]: Start difference. First operand 6035 states and 7766 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:17,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:32:17,901 INFO L93 Difference]: Finished difference Result 13881 states and 17836 transitions. [2021-11-23 04:32:17,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 04:32:17,902 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 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 58 [2021-11-23 04:32:17,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:32:17,915 INFO L225 Difference]: With dead ends: 13881 [2021-11-23 04:32:17,915 INFO L226 Difference]: Without dead ends: 7905 [2021-11-23 04:32:17,923 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-23 04:32:17,924 INFO L933 BasicCegarLoop]: 6549 mSDtfsCounter, 12467 mSDsluCounter, 4856 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12467 SdHoareTripleChecker+Valid, 11405 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 04:32:17,924 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12467 Valid, 11405 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 04:32:17,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7905 states. [2021-11-23 04:32:18,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7905 to 6035. [2021-11-23 04:32:18,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6035 states, 5903 states have (on average 1.3105200745383703) internal successors, (7736), 6034 states have internal predecessors, (7736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:18,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6035 states to 6035 states and 7736 transitions. [2021-11-23 04:32:18,098 INFO L78 Accepts]: Start accepts. Automaton has 6035 states and 7736 transitions. Word has length 58 [2021-11-23 04:32:18,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:32:18,099 INFO L470 AbstractCegarLoop]: Abstraction has 6035 states and 7736 transitions. [2021-11-23 04:32:18,099 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:18,099 INFO L276 IsEmpty]: Start isEmpty. Operand 6035 states and 7736 transitions. [2021-11-23 04:32:18,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-23 04:32:18,100 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:32:18,100 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:32:18,100 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-23 04:32:18,100 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 147 more)] === [2021-11-23 04:32:18,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:32:18,101 INFO L85 PathProgramCache]: Analyzing trace with hash 1374488561, now seen corresponding path program 1 times [2021-11-23 04:32:18,101 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:32:18,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172165876] [2021-11-23 04:32:18,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:32:18,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:32:18,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:32:18,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:32:18,208 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:32:18,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172165876] [2021-11-23 04:32:18,208 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172165876] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:32:18,208 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:32:18,208 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 04:32:18,208 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57847593] [2021-11-23 04:32:18,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:32:18,209 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 04:32:18,209 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:32:18,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 04:32:18,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 04:32:18,209 INFO L87 Difference]: Start difference. First operand 6035 states and 7736 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:18,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:32:18,580 INFO L93 Difference]: Finished difference Result 7905 states and 10104 transitions. [2021-11-23 04:32:18,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 04:32:18,581 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 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 58 [2021-11-23 04:32:18,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:32:18,592 INFO L225 Difference]: With dead ends: 7905 [2021-11-23 04:32:18,592 INFO L226 Difference]: Without dead ends: 7867 [2021-11-23 04:32:18,593 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 04:32:18,594 INFO L933 BasicCegarLoop]: 6530 mSDtfsCounter, 8183 mSDsluCounter, 4878 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8183 SdHoareTripleChecker+Valid, 11408 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 04:32:18,594 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8183 Valid, 11408 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 04:32:18,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7867 states. [2021-11-23 04:32:18,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7867 to 5997. [2021-11-23 04:32:18,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5997 states, 5884 states have (on average 1.3064242012236573) internal successors, (7687), 5996 states have internal predecessors, (7687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:18,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5997 states to 5997 states and 7687 transitions. [2021-11-23 04:32:18,792 INFO L78 Accepts]: Start accepts. Automaton has 5997 states and 7687 transitions. Word has length 58 [2021-11-23 04:32:18,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:32:18,792 INFO L470 AbstractCegarLoop]: Abstraction has 5997 states and 7687 transitions. [2021-11-23 04:32:18,793 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:18,793 INFO L276 IsEmpty]: Start isEmpty. Operand 5997 states and 7687 transitions. [2021-11-23 04:32:18,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 04:32:18,793 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:32:18,794 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:32:18,794 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-23 04:32:18,794 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr77ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 147 more)] === [2021-11-23 04:32:18,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:32:18,794 INFO L85 PathProgramCache]: Analyzing trace with hash 1300934108, now seen corresponding path program 1 times [2021-11-23 04:32:18,794 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:32:18,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066616149] [2021-11-23 04:32:18,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:32:18,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:32:18,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:32:18,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:32:18,898 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:32:18,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066616149] [2021-11-23 04:32:18,898 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066616149] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:32:18,898 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:32:18,898 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 04:32:18,898 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24545927] [2021-11-23 04:32:18,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:32:18,899 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 04:32:18,899 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:32:18,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 04:32:18,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 04:32:18,900 INFO L87 Difference]: Start difference. First operand 5997 states and 7687 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:19,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:32:19,073 INFO L93 Difference]: Finished difference Result 5997 states and 7687 transitions. [2021-11-23 04:32:19,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 04:32:19,073 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 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 60 [2021-11-23 04:32:19,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:32:19,081 INFO L225 Difference]: With dead ends: 5997 [2021-11-23 04:32:19,082 INFO L226 Difference]: Without dead ends: 5993 [2021-11-23 04:32:19,083 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 04:32:19,084 INFO L933 BasicCegarLoop]: 4192 mSDtfsCounter, 4239 mSDsluCounter, 4094 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4239 SdHoareTripleChecker+Valid, 8286 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 04:32:19,084 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4239 Valid, 8286 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 04:32:19,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5993 states. [2021-11-23 04:32:19,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5993 to 5993. [2021-11-23 04:32:19,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5993 states, 5882 states have (on average 1.3061883713022782) internal successors, (7683), 5992 states have internal predecessors, (7683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:19,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5993 states to 5993 states and 7683 transitions. [2021-11-23 04:32:19,403 INFO L78 Accepts]: Start accepts. Automaton has 5993 states and 7683 transitions. Word has length 60 [2021-11-23 04:32:19,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:32:19,403 INFO L470 AbstractCegarLoop]: Abstraction has 5993 states and 7683 transitions. [2021-11-23 04:32:19,403 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:19,403 INFO L276 IsEmpty]: Start isEmpty. Operand 5993 states and 7683 transitions. [2021-11-23 04:32:19,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 04:32:19,404 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:32:19,404 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:32:19,404 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-23 04:32:19,405 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr88ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 147 more)] === [2021-11-23 04:32:19,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:32:19,405 INFO L85 PathProgramCache]: Analyzing trace with hash -1287643742, now seen corresponding path program 1 times [2021-11-23 04:32:19,405 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:32:19,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945700719] [2021-11-23 04:32:19,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:32:19,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:32:19,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:32:19,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:32:19,536 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:32:19,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945700719] [2021-11-23 04:32:19,537 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945700719] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:32:19,537 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:32:19,537 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 04:32:19,537 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047755106] [2021-11-23 04:32:19,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:32:19,538 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 04:32:19,538 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:32:19,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 04:32:19,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 04:32:19,538 INFO L87 Difference]: Start difference. First operand 5993 states and 7683 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:20,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:32:20,090 INFO L93 Difference]: Finished difference Result 9007 states and 11368 transitions. [2021-11-23 04:32:20,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 04:32:20,091 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 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 61 [2021-11-23 04:32:20,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:32:20,106 INFO L225 Difference]: With dead ends: 9007 [2021-11-23 04:32:20,106 INFO L226 Difference]: Without dead ends: 8979 [2021-11-23 04:32:20,109 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 04:32:20,109 INFO L933 BasicCegarLoop]: 5889 mSDtfsCounter, 5932 mSDsluCounter, 4457 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5932 SdHoareTripleChecker+Valid, 10346 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 04:32:20,110 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5932 Valid, 10346 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 04:32:20,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8979 states. [2021-11-23 04:32:20,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8979 to 6529. [2021-11-23 04:32:20,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6529 states, 6420 states have (on average 1.2889408099688473) internal successors, (8275), 6528 states have internal predecessors, (8275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:20,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6529 states to 6529 states and 8275 transitions. [2021-11-23 04:32:20,581 INFO L78 Accepts]: Start accepts. Automaton has 6529 states and 8275 transitions. Word has length 61 [2021-11-23 04:32:20,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:32:20,581 INFO L470 AbstractCegarLoop]: Abstraction has 6529 states and 8275 transitions. [2021-11-23 04:32:20,582 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:20,582 INFO L276 IsEmpty]: Start isEmpty. Operand 6529 states and 8275 transitions. [2021-11-23 04:32:20,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-23 04:32:20,583 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:32:20,583 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:32:20,583 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-23 04:32:20,583 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 147 more)] === [2021-11-23 04:32:20,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:32:20,584 INFO L85 PathProgramCache]: Analyzing trace with hash 181762487, now seen corresponding path program 1 times [2021-11-23 04:32:20,584 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:32:20,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238955006] [2021-11-23 04:32:20,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:32:20,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:32:20,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:32:20,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:32:20,705 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:32:20,705 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238955006] [2021-11-23 04:32:20,705 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238955006] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:32:20,705 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:32:20,706 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 04:32:20,706 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198698555] [2021-11-23 04:32:20,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:32:20,706 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 04:32:20,706 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:32:20,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 04:32:20,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 04:32:20,707 INFO L87 Difference]: Start difference. First operand 6529 states and 8275 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 2 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) [2021-11-23 04:32:21,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:32:21,005 INFO L93 Difference]: Finished difference Result 12896 states and 16372 transitions. [2021-11-23 04:32:21,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 04:32:21,006 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 2 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 62 [2021-11-23 04:32:21,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:32:21,015 INFO L225 Difference]: With dead ends: 12896 [2021-11-23 04:32:21,015 INFO L226 Difference]: Without dead ends: 6431 [2021-11-23 04:32:21,023 INFO L932 BasicCegarLoop]: 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 [2021-11-23 04:32:21,024 INFO L933 BasicCegarLoop]: 4078 mSDtfsCounter, 4038 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4038 SdHoareTripleChecker+Valid, 4078 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 04:32:21,024 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4038 Valid, 4078 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 04:32:21,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6431 states. [2021-11-23 04:32:21,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6431 to 6431. [2021-11-23 04:32:21,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6431 states, 6341 states have (on average 1.283078378804605) internal successors, (8136), 6430 states have internal predecessors, (8136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:21,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6431 states to 6431 states and 8136 transitions. [2021-11-23 04:32:21,278 INFO L78 Accepts]: Start accepts. Automaton has 6431 states and 8136 transitions. Word has length 62 [2021-11-23 04:32:21,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:32:21,278 INFO L470 AbstractCegarLoop]: Abstraction has 6431 states and 8136 transitions. [2021-11-23 04:32:21,278 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 2 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) [2021-11-23 04:32:21,278 INFO L276 IsEmpty]: Start isEmpty. Operand 6431 states and 8136 transitions. [2021-11-23 04:32:21,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 04:32:21,279 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:32:21,279 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:32:21,279 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-23 04:32:21,280 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr78ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 147 more)] === [2021-11-23 04:32:21,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:32:21,280 INFO L85 PathProgramCache]: Analyzing trace with hash -1648313747, now seen corresponding path program 1 times [2021-11-23 04:32:21,280 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:32:21,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984418674] [2021-11-23 04:32:21,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:32:21,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:32:21,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:32:21,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:32:21,379 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:32:21,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984418674] [2021-11-23 04:32:21,381 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984418674] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:32:21,381 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:32:21,381 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 04:32:21,382 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544480668] [2021-11-23 04:32:21,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:32:21,382 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 04:32:21,382 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:32:21,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 04:32:21,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 04:32:21,383 INFO L87 Difference]: Start difference. First operand 6431 states and 8136 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:21,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:32:21,665 INFO L93 Difference]: Finished difference Result 6431 states and 8136 transitions. [2021-11-23 04:32:21,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 04:32:21,666 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 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 63 [2021-11-23 04:32:21,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:32:21,680 INFO L225 Difference]: With dead ends: 6431 [2021-11-23 04:32:21,680 INFO L226 Difference]: Without dead ends: 6427 [2021-11-23 04:32:21,681 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 04:32:21,682 INFO L933 BasicCegarLoop]: 4089 mSDtfsCounter, 4123 mSDsluCounter, 4001 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4123 SdHoareTripleChecker+Valid, 8090 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 04:32:21,682 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4123 Valid, 8090 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 04:32:21,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6427 states. [2021-11-23 04:32:21,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6427 to 6427. [2021-11-23 04:32:22,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6427 states, 6339 states have (on average 1.282852184887206) internal successors, (8132), 6426 states have internal predecessors, (8132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:22,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6427 states to 6427 states and 8132 transitions. [2021-11-23 04:32:22,009 INFO L78 Accepts]: Start accepts. Automaton has 6427 states and 8132 transitions. Word has length 63 [2021-11-23 04:32:22,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:32:22,010 INFO L470 AbstractCegarLoop]: Abstraction has 6427 states and 8132 transitions. [2021-11-23 04:32:22,010 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:22,010 INFO L276 IsEmpty]: Start isEmpty. Operand 6427 states and 8132 transitions. [2021-11-23 04:32:22,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 04:32:22,011 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:32:22,011 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:32:22,011 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-23 04:32:22,011 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr79ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 147 more)] === [2021-11-23 04:32:22,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:32:22,012 INFO L85 PathProgramCache]: Analyzing trace with hash -545175864, now seen corresponding path program 1 times [2021-11-23 04:32:22,012 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:32:22,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493202082] [2021-11-23 04:32:22,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:32:22,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:32:22,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:32:22,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:32:22,118 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:32:22,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493202082] [2021-11-23 04:32:22,118 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493202082] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:32:22,118 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:32:22,118 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 04:32:22,119 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893994735] [2021-11-23 04:32:22,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:32:22,119 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 04:32:22,119 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:32:22,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 04:32:22,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 04:32:22,120 INFO L87 Difference]: Start difference. First operand 6427 states and 8132 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:22,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:32:22,365 INFO L93 Difference]: Finished difference Result 6427 states and 8132 transitions. [2021-11-23 04:32:22,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 04:32:22,367 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 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 66 [2021-11-23 04:32:22,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:32:22,377 INFO L225 Difference]: With dead ends: 6427 [2021-11-23 04:32:22,377 INFO L226 Difference]: Without dead ends: 6423 [2021-11-23 04:32:22,378 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 04:32:22,379 INFO L933 BasicCegarLoop]: 4085 mSDtfsCounter, 4106 mSDsluCounter, 4007 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4106 SdHoareTripleChecker+Valid, 8092 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 04:32:22,379 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4106 Valid, 8092 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 04:32:22,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6423 states. [2021-11-23 04:32:22,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6423 to 6423. [2021-11-23 04:32:22,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6423 states, 6337 states have (on average 1.2826258481931514) internal successors, (8128), 6422 states have internal predecessors, (8128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:22,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6423 states to 6423 states and 8128 transitions. [2021-11-23 04:32:22,693 INFO L78 Accepts]: Start accepts. Automaton has 6423 states and 8128 transitions. Word has length 66 [2021-11-23 04:32:22,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:32:22,694 INFO L470 AbstractCegarLoop]: Abstraction has 6423 states and 8128 transitions. [2021-11-23 04:32:22,694 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:22,694 INFO L276 IsEmpty]: Start isEmpty. Operand 6423 states and 8128 transitions. [2021-11-23 04:32:22,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 04:32:22,695 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:32:22,695 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:32:22,695 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-23 04:32:22,695 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr80ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 147 more)] === [2021-11-23 04:32:22,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:32:22,695 INFO L85 PathProgramCache]: Analyzing trace with hash -2054240487, now seen corresponding path program 1 times [2021-11-23 04:32:22,696 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:32:22,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612328720] [2021-11-23 04:32:22,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:32:22,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:32:22,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:32:22,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:32:22,785 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:32:22,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612328720] [2021-11-23 04:32:22,786 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612328720] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:32:22,786 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:32:22,786 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 04:32:22,786 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774080760] [2021-11-23 04:32:22,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:32:22,787 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 04:32:22,787 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:32:22,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 04:32:22,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 04:32:22,787 INFO L87 Difference]: Start difference. First operand 6423 states and 8128 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:23,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:32:23,035 INFO L93 Difference]: Finished difference Result 6423 states and 8128 transitions. [2021-11-23 04:32:23,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 04:32:23,036 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2021-11-23 04:32:23,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:32:23,044 INFO L225 Difference]: With dead ends: 6423 [2021-11-23 04:32:23,044 INFO L226 Difference]: Without dead ends: 6419 [2021-11-23 04:32:23,046 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 04:32:23,046 INFO L933 BasicCegarLoop]: 4081 mSDtfsCounter, 4089 mSDsluCounter, 4013 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4089 SdHoareTripleChecker+Valid, 8094 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 04:32:23,046 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4089 Valid, 8094 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 04:32:23,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6419 states. [2021-11-23 04:32:23,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6419 to 6419. [2021-11-23 04:32:23,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6419 states, 6335 states have (on average 1.282399368587214) internal successors, (8124), 6418 states have internal predecessors, (8124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:23,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6419 states to 6419 states and 8124 transitions. [2021-11-23 04:32:23,294 INFO L78 Accepts]: Start accepts. Automaton has 6419 states and 8124 transitions. Word has length 69 [2021-11-23 04:32:23,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:32:23,295 INFO L470 AbstractCegarLoop]: Abstraction has 6419 states and 8124 transitions. [2021-11-23 04:32:23,295 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:23,295 INFO L276 IsEmpty]: Start isEmpty. Operand 6419 states and 8124 transitions. [2021-11-23 04:32:23,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-23 04:32:23,296 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:32:23,296 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:32:23,296 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-23 04:32:23,296 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr81ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 147 more)] === [2021-11-23 04:32:23,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:32:23,297 INFO L85 PathProgramCache]: Analyzing trace with hash 1119242164, now seen corresponding path program 1 times [2021-11-23 04:32:23,297 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:32:23,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346217694] [2021-11-23 04:32:23,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:32:23,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:32:23,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:32:23,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:32:23,394 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:32:23,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346217694] [2021-11-23 04:32:23,395 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346217694] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:32:23,395 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:32:23,395 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 04:32:23,395 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091051494] [2021-11-23 04:32:23,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:32:23,396 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 04:32:23,396 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:32:23,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 04:32:23,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 04:32:23,397 INFO L87 Difference]: Start difference. First operand 6419 states and 8124 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:23,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:32:23,654 INFO L93 Difference]: Finished difference Result 6419 states and 8124 transitions. [2021-11-23 04:32:23,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 04:32:23,655 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 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 72 [2021-11-23 04:32:23,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:32:23,662 INFO L225 Difference]: With dead ends: 6419 [2021-11-23 04:32:23,662 INFO L226 Difference]: Without dead ends: 6415 [2021-11-23 04:32:23,664 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 04:32:23,664 INFO L933 BasicCegarLoop]: 4077 mSDtfsCounter, 4072 mSDsluCounter, 4019 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4072 SdHoareTripleChecker+Valid, 8096 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 04:32:23,664 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4072 Valid, 8096 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 04:32:23,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6415 states. [2021-11-23 04:32:23,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6415 to 6415. [2021-11-23 04:32:23,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6415 states, 6333 states have (on average 1.2821727459339964) internal successors, (8120), 6414 states have internal predecessors, (8120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:23,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6415 states to 6415 states and 8120 transitions. [2021-11-23 04:32:23,938 INFO L78 Accepts]: Start accepts. Automaton has 6415 states and 8120 transitions. Word has length 72 [2021-11-23 04:32:23,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:32:23,939 INFO L470 AbstractCegarLoop]: Abstraction has 6415 states and 8120 transitions. [2021-11-23 04:32:23,939 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:23,939 INFO L276 IsEmpty]: Start isEmpty. Operand 6415 states and 8120 transitions. [2021-11-23 04:32:23,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-23 04:32:23,940 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:32:23,940 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:32:23,940 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-23 04:32:23,940 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr82ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 147 more)] === [2021-11-23 04:32:23,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:32:23,941 INFO L85 PathProgramCache]: Analyzing trace with hash 1520790469, now seen corresponding path program 1 times [2021-11-23 04:32:23,942 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:32:23,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847031091] [2021-11-23 04:32:23,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:32:23,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:32:23,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:32:24,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:32:24,040 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:32:24,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847031091] [2021-11-23 04:32:24,040 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847031091] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:32:24,040 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:32:24,041 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 04:32:24,041 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607606486] [2021-11-23 04:32:24,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:32:24,041 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 04:32:24,041 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:32:24,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 04:32:24,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 04:32:24,042 INFO L87 Difference]: Start difference. First operand 6415 states and 8120 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:24,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:32:24,416 INFO L93 Difference]: Finished difference Result 6415 states and 8120 transitions. [2021-11-23 04:32:24,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 04:32:24,416 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 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 75 [2021-11-23 04:32:24,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:32:24,424 INFO L225 Difference]: With dead ends: 6415 [2021-11-23 04:32:24,424 INFO L226 Difference]: Without dead ends: 6411 [2021-11-23 04:32:24,424 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 04:32:24,425 INFO L933 BasicCegarLoop]: 4073 mSDtfsCounter, 4055 mSDsluCounter, 4025 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4055 SdHoareTripleChecker+Valid, 8098 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 04:32:24,425 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4055 Valid, 8098 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 04:32:24,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6411 states. [2021-11-23 04:32:24,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6411 to 6411. [2021-11-23 04:32:24,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6411 states, 6331 states have (on average 1.281945980097931) internal successors, (8116), 6410 states have internal predecessors, (8116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:24,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6411 states to 6411 states and 8116 transitions. [2021-11-23 04:32:24,688 INFO L78 Accepts]: Start accepts. Automaton has 6411 states and 8116 transitions. Word has length 75 [2021-11-23 04:32:24,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:32:24,688 INFO L470 AbstractCegarLoop]: Abstraction has 6411 states and 8116 transitions. [2021-11-23 04:32:24,689 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:24,689 INFO L276 IsEmpty]: Start isEmpty. Operand 6411 states and 8116 transitions. [2021-11-23 04:32:24,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-23 04:32:24,690 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:32:24,690 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:32:24,690 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-23 04:32:24,690 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 147 more)] === [2021-11-23 04:32:24,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:32:24,690 INFO L85 PathProgramCache]: Analyzing trace with hash -1788771333, now seen corresponding path program 1 times [2021-11-23 04:32:24,691 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:32:24,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074172686] [2021-11-23 04:32:24,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:32:24,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:32:24,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:32:24,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:32:24,782 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:32:24,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074172686] [2021-11-23 04:32:24,782 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074172686] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:32:24,782 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:32:24,782 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 04:32:24,782 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431766223] [2021-11-23 04:32:24,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:32:24,783 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 04:32:24,783 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:32:24,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 04:32:24,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 04:32:24,783 INFO L87 Difference]: Start difference. First operand 6411 states and 8116 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:25,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:32:25,109 INFO L93 Difference]: Finished difference Result 11292 states and 14273 transitions. [2021-11-23 04:32:25,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 04:32:25,110 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 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 75 [2021-11-23 04:32:25,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:32:25,117 INFO L225 Difference]: With dead ends: 11292 [2021-11-23 04:32:25,117 INFO L226 Difference]: Without dead ends: 6405 [2021-11-23 04:32:25,123 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 04:32:25,123 INFO L933 BasicCegarLoop]: 4071 mSDtfsCounter, 4044 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4044 SdHoareTripleChecker+Valid, 4071 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 04:32:25,123 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4044 Valid, 4071 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 04:32:25,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6405 states. [2021-11-23 04:32:25,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6405 to 6405. [2021-11-23 04:32:25,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6405 states, 6326 states have (on average 1.2815365159658552) internal successors, (8107), 6404 states have internal predecessors, (8107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:25,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6405 states to 6405 states and 8107 transitions. [2021-11-23 04:32:25,402 INFO L78 Accepts]: Start accepts. Automaton has 6405 states and 8107 transitions. Word has length 75 [2021-11-23 04:32:25,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:32:25,403 INFO L470 AbstractCegarLoop]: Abstraction has 6405 states and 8107 transitions. [2021-11-23 04:32:25,403 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:25,403 INFO L276 IsEmpty]: Start isEmpty. Operand 6405 states and 8107 transitions. [2021-11-23 04:32:25,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-23 04:32:25,404 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:32:25,404 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:32:25,404 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-23 04:32:25,404 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr83ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 147 more)] === [2021-11-23 04:32:25,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:32:25,405 INFO L85 PathProgramCache]: Analyzing trace with hash -1732530016, now seen corresponding path program 1 times [2021-11-23 04:32:25,405 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:32:25,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267314479] [2021-11-23 04:32:25,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:32:25,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:32:25,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:32:25,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:32:25,492 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:32:25,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267314479] [2021-11-23 04:32:25,492 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267314479] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:32:25,492 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:32:25,493 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 04:32:25,493 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093134943] [2021-11-23 04:32:25,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:32:25,493 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 04:32:25,493 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:32:25,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 04:32:25,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 04:32:25,494 INFO L87 Difference]: Start difference. First operand 6405 states and 8107 transitions. Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 3 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:25,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:32:25,774 INFO L93 Difference]: Finished difference Result 6405 states and 8107 transitions. [2021-11-23 04:32:25,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 04:32:25,774 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 3 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2021-11-23 04:32:25,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:32:25,780 INFO L225 Difference]: With dead ends: 6405 [2021-11-23 04:32:25,781 INFO L226 Difference]: Without dead ends: 6401 [2021-11-23 04:32:25,782 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 04:32:25,784 INFO L933 BasicCegarLoop]: 4064 mSDtfsCounter, 4033 mSDsluCounter, 4026 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4033 SdHoareTripleChecker+Valid, 8090 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 04:32:25,784 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4033 Valid, 8090 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 04:32:25,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6401 states. [2021-11-23 04:32:26,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6401 to 6401. [2021-11-23 04:32:26,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6401 states, 6324 states have (on average 1.2813092979127134) internal successors, (8103), 6400 states have internal predecessors, (8103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:26,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6401 states to 6401 states and 8103 transitions. [2021-11-23 04:32:26,210 INFO L78 Accepts]: Start accepts. Automaton has 6401 states and 8103 transitions. Word has length 78 [2021-11-23 04:32:26,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:32:26,211 INFO L470 AbstractCegarLoop]: Abstraction has 6401 states and 8103 transitions. [2021-11-23 04:32:26,211 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 3 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:26,211 INFO L276 IsEmpty]: Start isEmpty. Operand 6401 states and 8103 transitions. [2021-11-23 04:32:26,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-23 04:32:26,212 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:32:26,212 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:32:26,212 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-11-23 04:32:26,213 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 147 more)] === [2021-11-23 04:32:26,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:32:26,214 INFO L85 PathProgramCache]: Analyzing trace with hash -727859476, now seen corresponding path program 1 times [2021-11-23 04:32:26,214 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:32:26,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479433105] [2021-11-23 04:32:26,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:32:26,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:32:26,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:32:26,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:32:26,323 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:32:26,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479433105] [2021-11-23 04:32:26,323 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479433105] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:32:26,323 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:32:26,323 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 04:32:26,324 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726005695] [2021-11-23 04:32:26,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:32:26,325 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 04:32:26,325 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:32:26,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 04:32:26,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 04:32:26,325 INFO L87 Difference]: Start difference. First operand 6401 states and 8103 transitions. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:26,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:32:26,818 INFO L93 Difference]: Finished difference Result 11313 states and 14291 transitions. [2021-11-23 04:32:26,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 04:32:26,818 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 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 79 [2021-11-23 04:32:26,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:32:26,826 INFO L225 Difference]: With dead ends: 11313 [2021-11-23 04:32:26,826 INFO L226 Difference]: Without dead ends: 6444 [2021-11-23 04:32:26,834 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-23 04:32:26,835 INFO L933 BasicCegarLoop]: 4113 mSDtfsCounter, 12145 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12145 SdHoareTripleChecker+Valid, 4211 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 04:32:26,836 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12145 Valid, 4211 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 04:32:26,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6444 states. [2021-11-23 04:32:27,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6444 to 6395. [2021-11-23 04:32:27,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6395 states, 6319 states have (on average 1.2808988764044944) internal successors, (8094), 6394 states have internal predecessors, (8094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:27,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6395 states to 6395 states and 8094 transitions. [2021-11-23 04:32:27,170 INFO L78 Accepts]: Start accepts. Automaton has 6395 states and 8094 transitions. Word has length 79 [2021-11-23 04:32:27,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:32:27,171 INFO L470 AbstractCegarLoop]: Abstraction has 6395 states and 8094 transitions. [2021-11-23 04:32:27,171 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:27,171 INFO L276 IsEmpty]: Start isEmpty. Operand 6395 states and 8094 transitions. [2021-11-23 04:32:27,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-23 04:32:27,172 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:32:27,172 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:32:27,172 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-11-23 04:32:27,172 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr84ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 147 more)] === [2021-11-23 04:32:27,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:32:27,173 INFO L85 PathProgramCache]: Analyzing trace with hash -1171085199, now seen corresponding path program 1 times [2021-11-23 04:32:27,173 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:32:27,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443894214] [2021-11-23 04:32:27,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:32:27,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:32:27,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:32:27,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:32:27,259 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:32:27,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443894214] [2021-11-23 04:32:27,259 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443894214] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:32:27,259 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:32:27,259 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 04:32:27,259 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903931387] [2021-11-23 04:32:27,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:32:27,260 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 04:32:27,260 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:32:27,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 04:32:27,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 04:32:27,260 INFO L87 Difference]: Start difference. First operand 6395 states and 8094 transitions. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:27,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:32:27,556 INFO L93 Difference]: Finished difference Result 6395 states and 8094 transitions. [2021-11-23 04:32:27,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 04:32:27,557 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2021-11-23 04:32:27,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:32:27,563 INFO L225 Difference]: With dead ends: 6395 [2021-11-23 04:32:27,563 INFO L226 Difference]: Without dead ends: 6391 [2021-11-23 04:32:27,564 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 04:32:27,565 INFO L933 BasicCegarLoop]: 4055 mSDtfsCounter, 4011 mSDsluCounter, 4027 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4011 SdHoareTripleChecker+Valid, 8082 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 04:32:27,565 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4011 Valid, 8082 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 04:32:27,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6391 states. [2021-11-23 04:32:27,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6391 to 6391. [2021-11-23 04:32:27,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6391 states, 6317 states have (on average 1.2806712046857687) internal successors, (8090), 6390 states have internal predecessors, (8090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:27,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6391 states to 6391 states and 8090 transitions. [2021-11-23 04:32:27,871 INFO L78 Accepts]: Start accepts. Automaton has 6391 states and 8090 transitions. Word has length 81 [2021-11-23 04:32:27,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:32:27,871 INFO L470 AbstractCegarLoop]: Abstraction has 6391 states and 8090 transitions. [2021-11-23 04:32:27,871 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:27,871 INFO L276 IsEmpty]: Start isEmpty. Operand 6391 states and 8090 transitions. [2021-11-23 04:32:27,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-23 04:32:27,872 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:32:27,872 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:32:27,873 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-11-23 04:32:27,873 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr85ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 147 more)] === [2021-11-23 04:32:27,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:32:27,873 INFO L85 PathProgramCache]: Analyzing trace with hash 228819340, now seen corresponding path program 1 times [2021-11-23 04:32:27,873 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:32:27,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026671913] [2021-11-23 04:32:27,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:32:27,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:32:27,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:32:27,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:32:27,962 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:32:27,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026671913] [2021-11-23 04:32:27,963 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026671913] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:32:27,963 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:32:27,963 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 04:32:27,963 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628258390] [2021-11-23 04:32:27,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:32:27,963 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 04:32:27,963 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:32:27,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 04:32:27,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 04:32:27,964 INFO L87 Difference]: Start difference. First operand 6391 states and 8090 transitions. Second operand has 4 states, 4 states have (on average 21.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:28,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:32:28,676 INFO L93 Difference]: Finished difference Result 12631 states and 16001 transitions. [2021-11-23 04:32:28,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 04:32:28,677 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2021-11-23 04:32:28,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:32:28,690 INFO L225 Difference]: With dead ends: 12631 [2021-11-23 04:32:28,691 INFO L226 Difference]: Without dead ends: 12627 [2021-11-23 04:32:28,694 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 04:32:28,694 INFO L933 BasicCegarLoop]: 4041 mSDtfsCounter, 4004 mSDsluCounter, 7886 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4004 SdHoareTripleChecker+Valid, 11927 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 04:32:28,694 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4004 Valid, 11927 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 04:32:28,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12627 states. [2021-11-23 04:32:29,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12627 to 12455. [2021-11-23 04:32:29,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12455 states, 12381 states have (on average 1.2831758339391002) internal successors, (15887), 12454 states have internal predecessors, (15887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:29,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12455 states to 12455 states and 15887 transitions. [2021-11-23 04:32:29,317 INFO L78 Accepts]: Start accepts. Automaton has 12455 states and 15887 transitions. Word has length 84 [2021-11-23 04:32:29,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:32:29,317 INFO L470 AbstractCegarLoop]: Abstraction has 12455 states and 15887 transitions. [2021-11-23 04:32:29,317 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:29,317 INFO L276 IsEmpty]: Start isEmpty. Operand 12455 states and 15887 transitions. [2021-11-23 04:32:29,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-23 04:32:29,319 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:32:29,319 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:32:29,319 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-11-23 04:32:29,319 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr86ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 147 more)] === [2021-11-23 04:32:29,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:32:29,320 INFO L85 PathProgramCache]: Analyzing trace with hash 652508445, now seen corresponding path program 1 times [2021-11-23 04:32:29,320 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:32:29,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89981117] [2021-11-23 04:32:29,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:32:29,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:32:29,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:32:29,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:32:29,411 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:32:29,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89981117] [2021-11-23 04:32:29,411 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89981117] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:32:29,411 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:32:29,411 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 04:32:29,412 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007626936] [2021-11-23 04:32:29,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:32:29,412 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 04:32:29,412 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:32:29,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 04:32:29,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 04:32:29,413 INFO L87 Difference]: Start difference. First operand 12455 states and 15887 transitions. Second operand has 4 states, 4 states have (on average 21.75) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:30,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:32:30,089 INFO L93 Difference]: Finished difference Result 12455 states and 15887 transitions. [2021-11-23 04:32:30,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 04:32:30,089 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2021-11-23 04:32:30,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:32:30,105 INFO L225 Difference]: With dead ends: 12455 [2021-11-23 04:32:30,106 INFO L226 Difference]: Without dead ends: 12451 [2021-11-23 04:32:30,109 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 04:32:30,111 INFO L933 BasicCegarLoop]: 4051 mSDtfsCounter, 3981 mSDsluCounter, 4043 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3981 SdHoareTripleChecker+Valid, 8094 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 04:32:30,112 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3981 Valid, 8094 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 04:32:30,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12451 states. [2021-11-23 04:32:30,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12451 to 12451. [2021-11-23 04:32:30,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12451 states, 12379 states have (on average 1.283060021003312) internal successors, (15883), 12450 states have internal predecessors, (15883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:30,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12451 states to 12451 states and 15883 transitions. [2021-11-23 04:32:30,757 INFO L78 Accepts]: Start accepts. Automaton has 12451 states and 15883 transitions. Word has length 87 [2021-11-23 04:32:30,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:32:30,768 INFO L470 AbstractCegarLoop]: Abstraction has 12451 states and 15883 transitions. [2021-11-23 04:32:30,769 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:30,769 INFO L276 IsEmpty]: Start isEmpty. Operand 12451 states and 15883 transitions. [2021-11-23 04:32:30,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-23 04:32:30,770 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:32:30,770 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:32:30,771 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-11-23 04:32:30,772 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr96ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 147 more)] === [2021-11-23 04:32:30,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:32:30,773 INFO L85 PathProgramCache]: Analyzing trace with hash -2083845488, now seen corresponding path program 1 times [2021-11-23 04:32:30,773 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:32:30,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809015675] [2021-11-23 04:32:30,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:32:30,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:32:30,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:32:30,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:32:30,879 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:32:30,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809015675] [2021-11-23 04:32:30,879 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809015675] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:32:30,879 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:32:30,879 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 04:32:30,880 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767603422] [2021-11-23 04:32:30,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:32:30,880 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 04:32:30,880 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:32:30,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 04:32:30,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 04:32:30,881 INFO L87 Difference]: Start difference. First operand 12451 states and 15883 transitions. Second operand has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:34,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:32:34,790 INFO L93 Difference]: Finished difference Result 54275 states and 68735 transitions. [2021-11-23 04:32:34,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 04:32:34,791 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2021-11-23 04:32:34,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:32:34,863 INFO L225 Difference]: With dead ends: 54275 [2021-11-23 04:32:34,863 INFO L226 Difference]: Without dead ends: 42783 [2021-11-23 04:32:34,893 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 04:32:34,894 INFO L933 BasicCegarLoop]: 8372 mSDtfsCounter, 9169 mSDsluCounter, 12067 mSDsCounter, 0 mSdLazyCounter, 885 mSolverCounterSat, 222 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9169 SdHoareTripleChecker+Valid, 20439 SdHoareTripleChecker+Invalid, 1107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 222 IncrementalHoareTripleChecker+Valid, 885 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-11-23 04:32:34,894 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9169 Valid, 20439 Invalid, 1107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [222 Valid, 885 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-11-23 04:32:34,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42783 states. [2021-11-23 04:32:36,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42783 to 12851. [2021-11-23 04:32:36,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12851 states, 12779 states have (on average 1.2741998591439079) internal successors, (16283), 12850 states have internal predecessors, (16283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:36,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12851 states to 12851 states and 16283 transitions. [2021-11-23 04:32:36,246 INFO L78 Accepts]: Start accepts. Automaton has 12851 states and 16283 transitions. Word has length 87 [2021-11-23 04:32:36,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:32:36,246 INFO L470 AbstractCegarLoop]: Abstraction has 12851 states and 16283 transitions. [2021-11-23 04:32:36,247 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:36,247 INFO L276 IsEmpty]: Start isEmpty. Operand 12851 states and 16283 transitions. [2021-11-23 04:32:36,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-23 04:32:36,248 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:32:36,248 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:32:36,249 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-11-23 04:32:36,249 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr96ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 147 more)] === [2021-11-23 04:32:36,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:32:36,249 INFO L85 PathProgramCache]: Analyzing trace with hash -526096398, now seen corresponding path program 1 times [2021-11-23 04:32:36,249 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:32:36,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393987037] [2021-11-23 04:32:36,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:32:36,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:32:36,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:32:36,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:32:36,427 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:32:36,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393987037] [2021-11-23 04:32:36,428 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393987037] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:32:36,428 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:32:36,428 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 04:32:36,428 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268763008] [2021-11-23 04:32:36,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:32:36,428 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 04:32:36,428 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:32:36,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 04:32:36,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 04:32:36,429 INFO L87 Difference]: Start difference. First operand 12851 states and 16283 transitions. Second operand has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:38,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:32:38,920 INFO L93 Difference]: Finished difference Result 32399 states and 40133 transitions. [2021-11-23 04:32:38,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 04:32:38,921 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 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 88 [2021-11-23 04:32:38,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:32:38,983 INFO L225 Difference]: With dead ends: 32399 [2021-11-23 04:32:38,983 INFO L226 Difference]: Without dead ends: 32349 [2021-11-23 04:32:38,997 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 04:32:38,997 INFO L933 BasicCegarLoop]: 9693 mSDtfsCounter, 7071 mSDsluCounter, 7588 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7071 SdHoareTripleChecker+Valid, 17281 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-23 04:32:38,998 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7071 Valid, 17281 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-23 04:32:39,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32349 states. [2021-11-23 04:32:40,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32349 to 12801. [2021-11-23 04:32:40,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12801 states, 12754 states have (on average 1.2668966598714129) internal successors, (16158), 12800 states have internal predecessors, (16158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:40,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12801 states to 12801 states and 16158 transitions. [2021-11-23 04:32:40,086 INFO L78 Accepts]: Start accepts. Automaton has 12801 states and 16158 transitions. Word has length 88 [2021-11-23 04:32:40,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:32:40,086 INFO L470 AbstractCegarLoop]: Abstraction has 12801 states and 16158 transitions. [2021-11-23 04:32:40,086 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:40,086 INFO L276 IsEmpty]: Start isEmpty. Operand 12801 states and 16158 transitions. [2021-11-23 04:32:40,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-23 04:32:40,088 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:32:40,088 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:32:40,088 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-11-23 04:32:40,088 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr97ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 147 more)] === [2021-11-23 04:32:40,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:32:40,089 INFO L85 PathProgramCache]: Analyzing trace with hash 849932932, now seen corresponding path program 1 times [2021-11-23 04:32:40,089 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:32:40,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366988781] [2021-11-23 04:32:40,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:32:40,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:32:40,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:32:40,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:32:40,216 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:32:40,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366988781] [2021-11-23 04:32:40,216 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366988781] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:32:40,216 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:32:40,216 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 04:32:40,216 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811692060] [2021-11-23 04:32:40,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:32:40,217 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 04:32:40,217 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:32:40,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 04:32:40,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 04:32:40,218 INFO L87 Difference]: Start difference. First operand 12801 states and 16158 transitions. Second operand has 5 states, 5 states have (on average 17.8) internal successors, (89), 5 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:43,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:32:43,920 INFO L93 Difference]: Finished difference Result 40031 states and 50006 transitions. [2021-11-23 04:32:43,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 04:32:43,921 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 5 states have internal predecessors, (89), 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 89 [2021-11-23 04:32:43,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:32:43,965 INFO L225 Difference]: With dead ends: 40031 [2021-11-23 04:32:43,965 INFO L226 Difference]: Without dead ends: 28333 [2021-11-23 04:32:43,989 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-23 04:32:43,990 INFO L933 BasicCegarLoop]: 5407 mSDtfsCounter, 8884 mSDsluCounter, 15078 mSDsCounter, 0 mSdLazyCounter, 746 mSolverCounterSat, 171 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8884 SdHoareTripleChecker+Valid, 20485 SdHoareTripleChecker+Invalid, 917 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 171 IncrementalHoareTripleChecker+Valid, 746 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-11-23 04:32:43,990 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8884 Valid, 20485 Invalid, 917 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [171 Valid, 746 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-11-23 04:32:44,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28333 states. [2021-11-23 04:32:45,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28333 to 13101. [2021-11-23 04:32:45,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13101 states, 13054 states have (on average 1.260762984525816) internal successors, (16458), 13100 states have internal predecessors, (16458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:45,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13101 states to 13101 states and 16458 transitions. [2021-11-23 04:32:45,188 INFO L78 Accepts]: Start accepts. Automaton has 13101 states and 16458 transitions. Word has length 89 [2021-11-23 04:32:45,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:32:45,188 INFO L470 AbstractCegarLoop]: Abstraction has 13101 states and 16458 transitions. [2021-11-23 04:32:45,188 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 5 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:45,189 INFO L276 IsEmpty]: Start isEmpty. Operand 13101 states and 16458 transitions. [2021-11-23 04:32:45,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-23 04:32:45,190 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:32:45,190 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:32:45,190 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-11-23 04:32:45,191 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr87ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 147 more)] === [2021-11-23 04:32:45,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:32:45,192 INFO L85 PathProgramCache]: Analyzing trace with hash -134235528, now seen corresponding path program 1 times [2021-11-23 04:32:45,192 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:32:45,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753452452] [2021-11-23 04:32:45,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:32:45,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:32:45,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:32:45,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:32:45,284 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:32:45,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753452452] [2021-11-23 04:32:45,285 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753452452] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:32:45,285 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:32:45,285 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 04:32:45,285 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523408725] [2021-11-23 04:32:45,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:32:45,285 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 04:32:45,285 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:32:45,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 04:32:45,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 04:32:45,286 INFO L87 Difference]: Start difference. First operand 13101 states and 16458 transitions. Second operand has 4 states, 4 states have (on average 22.5) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:47,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:32:47,310 INFO L93 Difference]: Finished difference Result 26005 states and 32685 transitions. [2021-11-23 04:32:47,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 04:32:47,311 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 3 states have internal predecessors, (90), 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 90 [2021-11-23 04:32:47,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:32:47,348 INFO L225 Difference]: With dead ends: 26005 [2021-11-23 04:32:47,348 INFO L226 Difference]: Without dead ends: 25849 [2021-11-23 04:32:47,357 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 04:32:47,358 INFO L933 BasicCegarLoop]: 3991 mSDtfsCounter, 3907 mSDsluCounter, 7776 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3907 SdHoareTripleChecker+Valid, 11767 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 04:32:47,358 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3907 Valid, 11767 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 04:32:47,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25849 states. [2021-11-23 04:32:49,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25849 to 25731. [2021-11-23 04:32:49,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25731 states, 25684 states have (on average 1.2627316617349322) internal successors, (32432), 25730 states have internal predecessors, (32432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:49,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25731 states to 25731 states and 32432 transitions. [2021-11-23 04:32:49,468 INFO L78 Accepts]: Start accepts. Automaton has 25731 states and 32432 transitions. Word has length 90 [2021-11-23 04:32:49,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:32:49,469 INFO L470 AbstractCegarLoop]: Abstraction has 25731 states and 32432 transitions. [2021-11-23 04:32:49,469 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:49,469 INFO L276 IsEmpty]: Start isEmpty. Operand 25731 states and 32432 transitions. [2021-11-23 04:32:49,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-23 04:32:49,470 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:32:49,470 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:32:49,470 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-11-23 04:32:49,471 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr97ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 147 more)] === [2021-11-23 04:32:49,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:32:49,471 INFO L85 PathProgramCache]: Analyzing trace with hash 519159008, now seen corresponding path program 1 times [2021-11-23 04:32:49,471 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:32:49,471 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387444760] [2021-11-23 04:32:49,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:32:49,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:32:49,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:32:49,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:32:49,575 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:32:49,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387444760] [2021-11-23 04:32:49,575 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387444760] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:32:49,575 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:32:49,576 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 04:32:49,576 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443122461] [2021-11-23 04:32:49,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:32:49,576 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 04:32:49,576 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:32:49,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 04:32:49,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 04:32:49,577 INFO L87 Difference]: Start difference. First operand 25731 states and 32432 transitions. Second operand has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:54,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:32:54,493 INFO L93 Difference]: Finished difference Result 66295 states and 82591 transitions. [2021-11-23 04:32:54,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 04:32:54,493 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2021-11-23 04:32:54,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:32:54,713 INFO L225 Difference]: With dead ends: 66295 [2021-11-23 04:32:54,713 INFO L226 Difference]: Without dead ends: 52775 [2021-11-23 04:32:54,739 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 04:32:54,740 INFO L933 BasicCegarLoop]: 6141 mSDtfsCounter, 4117 mSDsluCounter, 10296 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4117 SdHoareTripleChecker+Valid, 16437 SdHoareTripleChecker+Invalid, 269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-23 04:32:54,740 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4117 Valid, 16437 Invalid, 269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-23 04:32:54,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52775 states. [2021-11-23 04:32:57,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52775 to 25827. [2021-11-23 04:32:57,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25827 states, 25780 states have (on average 1.2617532971295577) internal successors, (32528), 25826 states have internal predecessors, (32528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:57,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25827 states to 25827 states and 32528 transitions. [2021-11-23 04:32:57,088 INFO L78 Accepts]: Start accepts. Automaton has 25827 states and 32528 transitions. Word has length 91 [2021-11-23 04:32:57,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:32:57,088 INFO L470 AbstractCegarLoop]: Abstraction has 25827 states and 32528 transitions. [2021-11-23 04:32:57,089 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:32:57,089 INFO L276 IsEmpty]: Start isEmpty. Operand 25827 states and 32528 transitions. [2021-11-23 04:32:57,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-23 04:32:57,090 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:32:57,090 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:32:57,090 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-11-23 04:32:57,091 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr97ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 147 more)] === [2021-11-23 04:32:57,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:32:57,091 INFO L85 PathProgramCache]: Analyzing trace with hash -1376938340, now seen corresponding path program 1 times [2021-11-23 04:32:57,091 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:32:57,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112816557] [2021-11-23 04:32:57,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:32:57,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:32:57,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:32:57,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:32:57,313 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:32:57,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112816557] [2021-11-23 04:32:57,313 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112816557] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:32:57,313 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:32:57,313 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 04:32:57,313 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521417263] [2021-11-23 04:32:57,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:32:57,314 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 04:32:57,314 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:32:57,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 04:32:57,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 04:32:57,315 INFO L87 Difference]: Start difference. First operand 25827 states and 32528 transitions. Second operand has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:33:02,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:33:02,066 INFO L93 Difference]: Finished difference Result 55093 states and 70325 transitions. [2021-11-23 04:33:02,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 04:33:02,066 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2021-11-23 04:33:02,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:33:02,163 INFO L225 Difference]: With dead ends: 55093 [2021-11-23 04:33:02,163 INFO L226 Difference]: Without dead ends: 54330 [2021-11-23 04:33:02,185 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 04:33:02,186 INFO L933 BasicCegarLoop]: 7153 mSDtfsCounter, 5638 mSDsluCounter, 8656 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5638 SdHoareTripleChecker+Valid, 15809 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-23 04:33:02,186 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5638 Valid, 15809 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-23 04:33:02,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54330 states. [2021-11-23 04:33:04,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54330 to 30795. [2021-11-23 04:33:04,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30795 states, 30760 states have (on average 1.277113133940182) internal successors, (39284), 30794 states have internal predecessors, (39284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:33:05,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30795 states to 30795 states and 39284 transitions. [2021-11-23 04:33:05,028 INFO L78 Accepts]: Start accepts. Automaton has 30795 states and 39284 transitions. Word has length 91 [2021-11-23 04:33:05,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:33:05,028 INFO L470 AbstractCegarLoop]: Abstraction has 30795 states and 39284 transitions. [2021-11-23 04:33:05,028 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:33:05,028 INFO L276 IsEmpty]: Start isEmpty. Operand 30795 states and 39284 transitions. [2021-11-23 04:33:05,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-23 04:33:05,030 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:33:05,030 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:33:05,030 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-11-23 04:33:05,031 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr88ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 147 more)] === [2021-11-23 04:33:05,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:33:05,031 INFO L85 PathProgramCache]: Analyzing trace with hash -2130309377, now seen corresponding path program 1 times [2021-11-23 04:33:05,031 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:33:05,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424872935] [2021-11-23 04:33:05,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:33:05,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:33:05,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:33:05,120 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:33:05,121 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:33:05,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424872935] [2021-11-23 04:33:05,121 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424872935] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:33:05,121 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:33:05,121 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 04:33:05,121 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100931546] [2021-11-23 04:33:05,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:33:05,122 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 04:33:05,122 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:33:05,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 04:33:05,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 04:33:05,122 INFO L87 Difference]: Start difference. First operand 30795 states and 39284 transitions. Second operand has 5 states, 5 states have (on average 19.0) internal successors, (95), 5 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:33:11,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:33:11,073 INFO L93 Difference]: Finished difference Result 87349 states and 111933 transitions. [2021-11-23 04:33:11,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 04:33:11,073 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 5 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-11-23 04:33:11,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:33:11,177 INFO L225 Difference]: With dead ends: 87349 [2021-11-23 04:33:11,177 INFO L226 Difference]: Without dead ends: 66109 [2021-11-23 04:33:11,206 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-23 04:33:11,207 INFO L933 BasicCegarLoop]: 6471 mSDtfsCounter, 5884 mSDsluCounter, 16184 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5884 SdHoareTripleChecker+Valid, 22655 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 04:33:11,207 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5884 Valid, 22655 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 04:33:11,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66109 states. [2021-11-23 04:33:14,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66109 to 29849. [2021-11-23 04:33:14,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29849 states, 29819 states have (on average 1.2810288742077198) internal successors, (38199), 29848 states have internal predecessors, (38199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:33:14,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29849 states to 29849 states and 38199 transitions. [2021-11-23 04:33:14,200 INFO L78 Accepts]: Start accepts. Automaton has 29849 states and 38199 transitions. Word has length 95 [2021-11-23 04:33:14,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:33:14,200 INFO L470 AbstractCegarLoop]: Abstraction has 29849 states and 38199 transitions. [2021-11-23 04:33:14,200 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 5 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:33:14,200 INFO L276 IsEmpty]: Start isEmpty. Operand 29849 states and 38199 transitions. [2021-11-23 04:33:14,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-23 04:33:14,202 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:33:14,202 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:33:14,203 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-11-23 04:33:14,203 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr112ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 147 more)] === [2021-11-23 04:33:14,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:33:14,203 INFO L85 PathProgramCache]: Analyzing trace with hash 565410707, now seen corresponding path program 1 times [2021-11-23 04:33:14,203 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:33:14,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750942681] [2021-11-23 04:33:14,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:33:14,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:33:14,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:33:14,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:33:14,302 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:33:14,302 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750942681] [2021-11-23 04:33:14,302 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750942681] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:33:14,303 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:33:14,303 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 04:33:14,303 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728916258] [2021-11-23 04:33:14,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:33:14,303 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 04:33:14,303 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:33:14,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 04:33:14,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 04:33:14,304 INFO L87 Difference]: Start difference. First operand 29849 states and 38199 transitions. Second operand has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:33:18,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:33:18,811 INFO L93 Difference]: Finished difference Result 57655 states and 72356 transitions. [2021-11-23 04:33:18,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 04:33:18,812 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-11-23 04:33:18,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:33:18,870 INFO L225 Difference]: With dead ends: 57655 [2021-11-23 04:33:18,870 INFO L226 Difference]: Without dead ends: 44171 [2021-11-23 04:33:18,888 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-23 04:33:18,888 INFO L933 BasicCegarLoop]: 5466 mSDtfsCounter, 4319 mSDsluCounter, 15390 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4319 SdHoareTripleChecker+Valid, 20856 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 04:33:18,890 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4319 Valid, 20856 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 04:33:18,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44171 states. [2021-11-23 04:33:21,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44171 to 25783. [2021-11-23 04:33:21,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25783 states, 25754 states have (on average 1.2669876524035102) internal successors, (32630), 25782 states have internal predecessors, (32630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:33:21,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25783 states to 25783 states and 32630 transitions. [2021-11-23 04:33:21,618 INFO L78 Accepts]: Start accepts. Automaton has 25783 states and 32630 transitions. Word has length 103 [2021-11-23 04:33:21,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:33:21,619 INFO L470 AbstractCegarLoop]: Abstraction has 25783 states and 32630 transitions. [2021-11-23 04:33:21,619 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:33:21,619 INFO L276 IsEmpty]: Start isEmpty. Operand 25783 states and 32630 transitions. [2021-11-23 04:33:21,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-23 04:33:21,621 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:33:21,621 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:33:21,621 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-11-23 04:33:21,621 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 147 more)] === [2021-11-23 04:33:21,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:33:21,621 INFO L85 PathProgramCache]: Analyzing trace with hash 142516863, now seen corresponding path program 1 times [2021-11-23 04:33:21,622 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:33:21,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799304741] [2021-11-23 04:33:21,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:33:21,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:33:21,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:33:21,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:33:21,847 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:33:21,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799304741] [2021-11-23 04:33:21,848 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799304741] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:33:21,848 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:33:21,848 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 04:33:21,848 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56654089] [2021-11-23 04:33:21,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:33:21,849 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 04:33:21,849 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:33:21,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 04:33:21,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 04:33:21,849 INFO L87 Difference]: Start difference. First operand 25783 states and 32630 transitions. Second operand has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:33:24,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:33:24,703 INFO L93 Difference]: Finished difference Result 53236 states and 67407 transitions. [2021-11-23 04:33:24,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 04:33:24,704 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-11-23 04:33:24,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:33:24,751 INFO L225 Difference]: With dead ends: 53236 [2021-11-23 04:33:24,751 INFO L226 Difference]: Without dead ends: 27467 [2021-11-23 04:33:24,778 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-23 04:33:24,778 INFO L933 BasicCegarLoop]: 3965 mSDtfsCounter, 3580 mSDsluCounter, 11709 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3580 SdHoareTripleChecker+Valid, 15674 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 04:33:24,779 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3580 Valid, 15674 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 04:33:24,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27467 states. [2021-11-23 04:33:27,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27467 to 25786. [2021-11-23 04:33:27,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25786 states, 25757 states have (on average 1.266956555499476) internal successors, (32633), 25785 states have internal predecessors, (32633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:33:27,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25786 states to 25786 states and 32633 transitions. [2021-11-23 04:33:27,189 INFO L78 Accepts]: Start accepts. Automaton has 25786 states and 32633 transitions. Word has length 103 [2021-11-23 04:33:27,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:33:27,189 INFO L470 AbstractCegarLoop]: Abstraction has 25786 states and 32633 transitions. [2021-11-23 04:33:27,190 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:33:27,190 INFO L276 IsEmpty]: Start isEmpty. Operand 25786 states and 32633 transitions. [2021-11-23 04:33:27,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-23 04:33:27,191 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:33:27,192 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:33:27,192 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-11-23 04:33:27,192 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 147 more)] === [2021-11-23 04:33:27,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:33:27,192 INFO L85 PathProgramCache]: Analyzing trace with hash 1493902081, now seen corresponding path program 1 times [2021-11-23 04:33:27,192 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:33:27,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094378340] [2021-11-23 04:33:27,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:33:27,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:33:27,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:33:27,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:33:27,512 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:33:27,512 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094378340] [2021-11-23 04:33:27,512 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094378340] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:33:27,512 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:33:27,512 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-23 04:33:27,512 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777439659] [2021-11-23 04:33:27,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:33:27,513 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 04:33:27,513 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:33:27,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 04:33:27,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-23 04:33:27,514 INFO L87 Difference]: Start difference. First operand 25786 states and 32633 transitions. Second operand has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 6 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:33:31,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:33:31,355 INFO L93 Difference]: Finished difference Result 53215 states and 67383 transitions. [2021-11-23 04:33:31,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-23 04:33:31,355 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 6 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-11-23 04:33:31,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:33:31,393 INFO L225 Difference]: With dead ends: 53215 [2021-11-23 04:33:31,393 INFO L226 Difference]: Without dead ends: 27465 [2021-11-23 04:33:31,417 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-11-23 04:33:31,418 INFO L933 BasicCegarLoop]: 5556 mSDtfsCounter, 15530 mSDsluCounter, 1881 mSDsCounter, 0 mSdLazyCounter, 494 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15530 SdHoareTripleChecker+Valid, 7437 SdHoareTripleChecker+Invalid, 577 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-23 04:33:31,418 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15530 Valid, 7437 Invalid, 577 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 494 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-23 04:33:31,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27465 states. [2021-11-23 04:33:34,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27465 to 25786. [2021-11-23 04:33:34,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25786 states, 25757 states have (on average 1.2669177311022246) internal successors, (32632), 25785 states have internal predecessors, (32632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:33:34,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25786 states to 25786 states and 32632 transitions. [2021-11-23 04:33:34,418 INFO L78 Accepts]: Start accepts. Automaton has 25786 states and 32632 transitions. Word has length 103 [2021-11-23 04:33:34,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:33:34,419 INFO L470 AbstractCegarLoop]: Abstraction has 25786 states and 32632 transitions. [2021-11-23 04:33:34,419 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 6 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:33:34,419 INFO L276 IsEmpty]: Start isEmpty. Operand 25786 states and 32632 transitions. [2021-11-23 04:33:34,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-23 04:33:34,421 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:33:34,421 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:33:34,421 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-11-23 04:33:34,421 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 147 more)] === [2021-11-23 04:33:34,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:33:34,421 INFO L85 PathProgramCache]: Analyzing trace with hash 1469505649, now seen corresponding path program 1 times [2021-11-23 04:33:34,422 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:33:34,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279081511] [2021-11-23 04:33:34,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:33:34,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:33:34,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:33:34,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:33:34,623 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:33:34,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279081511] [2021-11-23 04:33:34,623 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279081511] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:33:34,623 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:33:34,623 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-23 04:33:34,624 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531171706] [2021-11-23 04:33:34,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:33:34,624 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 04:33:34,625 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:33:34,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 04:33:34,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-23 04:33:34,626 INFO L87 Difference]: Start difference. First operand 25786 states and 32632 transitions. Second operand has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 6 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:33:38,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:33:38,567 INFO L93 Difference]: Finished difference Result 53224 states and 67391 transitions. [2021-11-23 04:33:38,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-23 04:33:38,568 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 6 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 104 [2021-11-23 04:33:38,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:33:38,606 INFO L225 Difference]: With dead ends: 53224 [2021-11-23 04:33:38,606 INFO L226 Difference]: Without dead ends: 27465 [2021-11-23 04:33:38,631 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-11-23 04:33:38,632 INFO L933 BasicCegarLoop]: 5555 mSDtfsCounter, 15536 mSDsluCounter, 1875 mSDsCounter, 0 mSdLazyCounter, 490 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15536 SdHoareTripleChecker+Valid, 7430 SdHoareTripleChecker+Invalid, 573 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 490 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-23 04:33:38,632 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15536 Valid, 7430 Invalid, 573 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 490 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-23 04:33:38,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27465 states. [2021-11-23 04:33:41,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27465 to 25786. [2021-11-23 04:33:41,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25786 states, 25757 states have (on average 1.2668789067049735) internal successors, (32631), 25785 states have internal predecessors, (32631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:33:41,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25786 states to 25786 states and 32631 transitions. [2021-11-23 04:33:41,774 INFO L78 Accepts]: Start accepts. Automaton has 25786 states and 32631 transitions. Word has length 104 [2021-11-23 04:33:41,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:33:41,774 INFO L470 AbstractCegarLoop]: Abstraction has 25786 states and 32631 transitions. [2021-11-23 04:33:41,774 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 6 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:33:41,774 INFO L276 IsEmpty]: Start isEmpty. Operand 25786 states and 32631 transitions. [2021-11-23 04:33:41,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-23 04:33:41,776 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:33:41,776 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:33:41,776 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-11-23 04:33:41,776 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 147 more)] === [2021-11-23 04:33:41,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:33:41,777 INFO L85 PathProgramCache]: Analyzing trace with hash 760290044, now seen corresponding path program 1 times [2021-11-23 04:33:41,777 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:33:41,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83934543] [2021-11-23 04:33:41,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:33:41,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:33:41,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:33:42,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:33:42,011 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:33:42,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83934543] [2021-11-23 04:33:42,011 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83934543] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:33:42,011 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:33:42,011 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-23 04:33:42,012 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222195216] [2021-11-23 04:33:42,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:33:42,013 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-23 04:33:42,013 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:33:42,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-23 04:33:42,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-11-23 04:33:42,014 INFO L87 Difference]: Start difference. First operand 25786 states and 32631 transitions. Second operand has 11 states, 11 states have (on average 9.545454545454545) internal successors, (105), 11 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:33:45,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:33:45,788 INFO L93 Difference]: Finished difference Result 38367 states and 48598 transitions. [2021-11-23 04:33:45,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-23 04:33:45,789 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.545454545454545) internal successors, (105), 11 states have internal predecessors, (105), 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 105 [2021-11-23 04:33:45,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:33:45,829 INFO L225 Difference]: With dead ends: 38367 [2021-11-23 04:33:45,829 INFO L226 Difference]: Without dead ends: 27493 [2021-11-23 04:33:45,848 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=235, Unknown=0, NotChecked=0, Total=342 [2021-11-23 04:33:45,848 INFO L933 BasicCegarLoop]: 5742 mSDtfsCounter, 10880 mSDsluCounter, 40713 mSDsCounter, 0 mSdLazyCounter, 344 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10880 SdHoareTripleChecker+Valid, 46455 SdHoareTripleChecker+Invalid, 352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-23 04:33:45,848 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10880 Valid, 46455 Invalid, 352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 344 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-23 04:33:45,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27493 states. [2021-11-23 04:33:48,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27493 to 25804. [2021-11-23 04:33:48,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25804 states, 25775 states have (on average 1.2666925315227935) internal successors, (32649), 25803 states have internal predecessors, (32649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:33:49,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25804 states to 25804 states and 32649 transitions. [2021-11-23 04:33:49,007 INFO L78 Accepts]: Start accepts. Automaton has 25804 states and 32649 transitions. Word has length 105 [2021-11-23 04:33:49,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:33:49,007 INFO L470 AbstractCegarLoop]: Abstraction has 25804 states and 32649 transitions. [2021-11-23 04:33:49,008 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.545454545454545) internal successors, (105), 11 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:33:49,008 INFO L276 IsEmpty]: Start isEmpty. Operand 25804 states and 32649 transitions. [2021-11-23 04:33:49,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-23 04:33:49,010 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:33:49,010 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:33:49,010 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-11-23 04:33:49,010 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr113ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 147 more)] === [2021-11-23 04:33:49,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:33:49,011 INFO L85 PathProgramCache]: Analyzing trace with hash -458633227, now seen corresponding path program 1 times [2021-11-23 04:33:49,011 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:33:49,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823576982] [2021-11-23 04:33:49,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:33:49,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:33:49,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:33:49,105 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:33:49,105 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:33:49,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823576982] [2021-11-23 04:33:49,106 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823576982] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:33:49,106 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:33:49,106 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 04:33:49,106 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37586802] [2021-11-23 04:33:49,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:33:49,106 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 04:33:49,106 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:33:49,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 04:33:49,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 04:33:49,107 INFO L87 Difference]: Start difference. First operand 25804 states and 32649 transitions. Second operand has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:33:55,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:33:55,656 INFO L93 Difference]: Finished difference Result 58044 states and 72415 transitions. [2021-11-23 04:33:55,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 04:33:55,657 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 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 116 [2021-11-23 04:33:55,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:33:55,728 INFO L225 Difference]: With dead ends: 58044 [2021-11-23 04:33:55,729 INFO L226 Difference]: Without dead ends: 46466 [2021-11-23 04:33:55,755 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-23 04:33:55,756 INFO L933 BasicCegarLoop]: 6538 mSDtfsCounter, 5451 mSDsluCounter, 14365 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5451 SdHoareTripleChecker+Valid, 20903 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 04:33:55,771 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5451 Valid, 20903 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 04:33:55,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46466 states. [2021-11-23 04:33:58,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46466 to 23466. [2021-11-23 04:33:58,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23466 states, 23444 states have (on average 1.2709435249957346) internal successors, (29796), 23465 states have internal predecessors, (29796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:33:58,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23466 states to 23466 states and 29796 transitions. [2021-11-23 04:33:58,986 INFO L78 Accepts]: Start accepts. Automaton has 23466 states and 29796 transitions. Word has length 116 [2021-11-23 04:33:58,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:33:58,987 INFO L470 AbstractCegarLoop]: Abstraction has 23466 states and 29796 transitions. [2021-11-23 04:33:58,987 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:33:58,987 INFO L276 IsEmpty]: Start isEmpty. Operand 23466 states and 29796 transitions. [2021-11-23 04:33:58,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-11-23 04:33:58,988 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:33:58,988 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:33:58,988 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-11-23 04:33:58,989 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 147 more)] === [2021-11-23 04:33:58,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:33:58,993 INFO L85 PathProgramCache]: Analyzing trace with hash -251519605, now seen corresponding path program 1 times [2021-11-23 04:33:58,993 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:33:58,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834825] [2021-11-23 04:33:58,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:33:58,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:33:59,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:33:59,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:33:59,153 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:33:59,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834825] [2021-11-23 04:33:59,153 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834825] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:33:59,153 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:33:59,154 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-23 04:33:59,154 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993579101] [2021-11-23 04:33:59,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:33:59,154 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-23 04:33:59,155 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:33:59,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-23 04:33:59,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-11-23 04:33:59,155 INFO L87 Difference]: Start difference. First operand 23466 states and 29796 transitions. Second operand has 8 states, 8 states have (on average 14.625) internal successors, (117), 8 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:34:05,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:34:05,029 INFO L93 Difference]: Finished difference Result 65782 states and 83430 transitions. [2021-11-23 04:34:05,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-23 04:34:05,029 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.625) internal successors, (117), 8 states have internal predecessors, (117), 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 117 [2021-11-23 04:34:05,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:34:05,086 INFO L225 Difference]: With dead ends: 65782 [2021-11-23 04:34:05,086 INFO L226 Difference]: Without dead ends: 42417 [2021-11-23 04:34:05,111 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2021-11-23 04:34:05,112 INFO L933 BasicCegarLoop]: 6751 mSDtfsCounter, 16492 mSDsluCounter, 26435 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16492 SdHoareTripleChecker+Valid, 33186 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 04:34:05,112 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16492 Valid, 33186 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 04:34:05,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42417 states. [2021-11-23 04:34:08,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42417 to 23472. [2021-11-23 04:34:08,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23472 states, 23450 states have (on average 1.2708742004264393) internal successors, (29802), 23471 states have internal predecessors, (29802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:34:08,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23472 states to 23472 states and 29802 transitions. [2021-11-23 04:34:08,561 INFO L78 Accepts]: Start accepts. Automaton has 23472 states and 29802 transitions. Word has length 117 [2021-11-23 04:34:08,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:34:08,561 INFO L470 AbstractCegarLoop]: Abstraction has 23472 states and 29802 transitions. [2021-11-23 04:34:08,562 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.625) internal successors, (117), 8 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:34:08,562 INFO L276 IsEmpty]: Start isEmpty. Operand 23472 states and 29802 transitions. [2021-11-23 04:34:08,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-11-23 04:34:08,563 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:34:08,563 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:34:08,563 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-11-23 04:34:08,564 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 147 more)] === [2021-11-23 04:34:08,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:34:08,564 INFO L85 PathProgramCache]: Analyzing trace with hash 1658073303, now seen corresponding path program 1 times [2021-11-23 04:34:08,564 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:34:08,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052779289] [2021-11-23 04:34:08,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:34:08,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:34:08,634 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 04:34:08,634 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [392991372] [2021-11-23 04:34:08,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:34:08,635 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 04:34:08,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-23 04:34:08,655 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 04:34:08,658 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-23 04:34:09,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:34:09,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 3422 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 04:34:09,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 04:34:09,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:34:09,702 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 04:34:09,702 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:34:09,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052779289] [2021-11-23 04:34:09,703 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 04:34:09,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [392991372] [2021-11-23 04:34:09,703 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [392991372] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:34:09,703 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:34:09,703 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-11-23 04:34:09,703 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180351770] [2021-11-23 04:34:09,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:34:09,704 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-23 04:34:09,704 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:34:09,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-23 04:34:09,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-11-23 04:34:09,704 INFO L87 Difference]: Start difference. First operand 23472 states and 29802 transitions. Second operand has 13 states, 13 states have (on average 9.461538461538462) internal successors, (123), 13 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:34:13,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:34:13,424 INFO L93 Difference]: Finished difference Result 47205 states and 59968 transitions. [2021-11-23 04:34:13,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-23 04:34:13,424 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 9.461538461538462) internal successors, (123), 13 states have internal predecessors, (123), 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 123 [2021-11-23 04:34:13,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:34:13,456 INFO L225 Difference]: With dead ends: 47205 [2021-11-23 04:34:13,457 INFO L226 Difference]: Without dead ends: 23895 [2021-11-23 04:34:13,479 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=153, Invalid=353, Unknown=0, NotChecked=0, Total=506 [2021-11-23 04:34:13,480 INFO L933 BasicCegarLoop]: 4247 mSDtfsCounter, 2463 mSDsluCounter, 44056 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2463 SdHoareTripleChecker+Valid, 48303 SdHoareTripleChecker+Invalid, 352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-23 04:34:13,480 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2463 Valid, 48303 Invalid, 352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 336 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-23 04:34:13,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23895 states. [2021-11-23 04:34:16,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23895 to 23476. [2021-11-23 04:34:16,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23476 states, 23454 states have (on average 1.2708280037520252) internal successors, (29806), 23475 states have internal predecessors, (29806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:34:16,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23476 states to 23476 states and 29806 transitions. [2021-11-23 04:34:16,718 INFO L78 Accepts]: Start accepts. Automaton has 23476 states and 29806 transitions. Word has length 123 [2021-11-23 04:34:16,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:34:16,719 INFO L470 AbstractCegarLoop]: Abstraction has 23476 states and 29806 transitions. [2021-11-23 04:34:16,719 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 9.461538461538462) internal successors, (123), 13 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:34:16,719 INFO L276 IsEmpty]: Start isEmpty. Operand 23476 states and 29806 transitions. [2021-11-23 04:34:16,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-11-23 04:34:16,720 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:34:16,720 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:34:16,746 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-23 04:34:16,935 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 04:34:16,936 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr91ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 147 more)] === [2021-11-23 04:34:16,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:34:16,936 INFO L85 PathProgramCache]: Analyzing trace with hash -769117081, now seen corresponding path program 1 times [2021-11-23 04:34:16,937 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:34:16,937 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990665170] [2021-11-23 04:34:16,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:34:16,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:34:17,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:34:17,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:34:17,071 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:34:17,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990665170] [2021-11-23 04:34:17,072 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990665170] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:34:17,072 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:34:17,072 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 04:34:17,072 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052727342] [2021-11-23 04:34:17,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:34:17,073 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 04:34:17,073 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:34:17,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 04:34:17,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 04:34:17,074 INFO L87 Difference]: Start difference. First operand 23476 states and 29806 transitions. Second operand has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:34:25,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:34:25,286 INFO L93 Difference]: Finished difference Result 63878 states and 80661 transitions. [2021-11-23 04:34:25,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 04:34:25,286 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 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 132 [2021-11-23 04:34:25,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:34:25,377 INFO L225 Difference]: With dead ends: 63878 [2021-11-23 04:34:25,378 INFO L226 Difference]: Without dead ends: 49988 [2021-11-23 04:34:25,400 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 04:34:25,401 INFO L933 BasicCegarLoop]: 7515 mSDtfsCounter, 3892 mSDsluCounter, 10763 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3892 SdHoareTripleChecker+Valid, 18278 SdHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-23 04:34:25,401 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3892 Valid, 18278 Invalid, 282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-23 04:34:25,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49988 states. [2021-11-23 04:34:28,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49988 to 23508. [2021-11-23 04:34:28,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23508 states, 23486 states have (on average 1.2704589968491868) internal successors, (29838), 23507 states have internal predecessors, (29838), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:34:29,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23508 states to 23508 states and 29838 transitions. [2021-11-23 04:34:29,015 INFO L78 Accepts]: Start accepts. Automaton has 23508 states and 29838 transitions. Word has length 132 [2021-11-23 04:34:29,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:34:29,016 INFO L470 AbstractCegarLoop]: Abstraction has 23508 states and 29838 transitions. [2021-11-23 04:34:29,016 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:34:29,016 INFO L276 IsEmpty]: Start isEmpty. Operand 23508 states and 29838 transitions. [2021-11-23 04:34:29,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-11-23 04:34:29,017 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:34:29,018 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:34:29,018 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-11-23 04:34:29,018 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr91ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 147 more)] === [2021-11-23 04:34:29,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:34:29,018 INFO L85 PathProgramCache]: Analyzing trace with hash 617086313, now seen corresponding path program 1 times [2021-11-23 04:34:29,018 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:34:29,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749028222] [2021-11-23 04:34:29,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:34:29,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:34:29,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:34:29,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:34:29,156 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:34:29,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749028222] [2021-11-23 04:34:29,156 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749028222] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:34:29,156 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:34:29,156 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 04:34:29,156 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097400017] [2021-11-23 04:34:29,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:34:29,157 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 04:34:29,157 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:34:29,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 04:34:29,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 04:34:29,157 INFO L87 Difference]: Start difference. First operand 23508 states and 29838 transitions. Second operand has 5 states, 5 states have (on average 26.4) internal successors, (132), 5 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:34:38,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:34:38,421 INFO L93 Difference]: Finished difference Result 70157 states and 88532 transitions. [2021-11-23 04:34:38,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 04:34:38,421 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.4) internal successors, (132), 5 states have internal predecessors, (132), 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 132 [2021-11-23 04:34:38,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:34:38,523 INFO L225 Difference]: With dead ends: 70157 [2021-11-23 04:34:38,524 INFO L226 Difference]: Without dead ends: 55902 [2021-11-23 04:34:38,551 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-23 04:34:38,552 INFO L933 BasicCegarLoop]: 6559 mSDtfsCounter, 9684 mSDsluCounter, 16436 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9684 SdHoareTripleChecker+Valid, 22995 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 04:34:38,552 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9684 Valid, 22995 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 04:34:38,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55902 states. [2021-11-23 04:34:41,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55902 to 21934. [2021-11-23 04:34:41,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21934 states, 21913 states have (on average 1.264135444713184) internal successors, (27701), 21933 states have internal predecessors, (27701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:34:42,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21934 states to 21934 states and 27701 transitions. [2021-11-23 04:34:42,031 INFO L78 Accepts]: Start accepts. Automaton has 21934 states and 27701 transitions. Word has length 132 [2021-11-23 04:34:42,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:34:42,032 INFO L470 AbstractCegarLoop]: Abstraction has 21934 states and 27701 transitions. [2021-11-23 04:34:42,033 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.4) internal successors, (132), 5 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:34:42,033 INFO L276 IsEmpty]: Start isEmpty. Operand 21934 states and 27701 transitions. [2021-11-23 04:34:42,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-11-23 04:34:42,034 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:34:42,034 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:34:42,034 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2021-11-23 04:34:42,034 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 147 more)] === [2021-11-23 04:34:42,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:34:42,035 INFO L85 PathProgramCache]: Analyzing trace with hash -1800473740, now seen corresponding path program 1 times [2021-11-23 04:34:42,035 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:34:42,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838002125] [2021-11-23 04:34:42,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:34:42,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:34:42,087 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 04:34:42,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1713470207] [2021-11-23 04:34:42,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:34:42,088 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 04:34:42,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-23 04:34:42,091 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 04:34:42,092 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-23 04:34:42,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:34:42,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 3751 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 04:34:42,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 04:34:43,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:34:43,168 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 04:34:43,168 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:34:43,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838002125] [2021-11-23 04:34:43,168 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 04:34:43,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1713470207] [2021-11-23 04:34:43,169 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1713470207] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:34:43,169 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:34:43,169 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 04:34:43,169 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803901246] [2021-11-23 04:34:43,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:34:43,169 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 04:34:43,170 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:34:43,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 04:34:43,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 04:34:43,170 INFO L87 Difference]: Start difference. First operand 21934 states and 27701 transitions. Second operand has 4 states, 4 states have (on average 36.75) internal successors, (147), 4 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:34:49,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:34:49,085 INFO L93 Difference]: Finished difference Result 46074 states and 58120 transitions. [2021-11-23 04:34:49,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 04:34:49,086 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 36.75) internal successors, (147), 4 states have internal predecessors, (147), 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 147 [2021-11-23 04:34:49,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:34:49,135 INFO L225 Difference]: With dead ends: 46074 [2021-11-23 04:34:49,136 INFO L226 Difference]: Without dead ends: 38101 [2021-11-23 04:34:49,152 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 04:34:49,152 INFO L933 BasicCegarLoop]: 6726 mSDtfsCounter, 7516 mSDsluCounter, 3126 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7516 SdHoareTripleChecker+Valid, 9852 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 04:34:49,152 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7516 Valid, 9852 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 04:34:49,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38101 states. [2021-11-23 04:34:52,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38101 to 21934. [2021-11-23 04:34:52,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21934 states, 21913 states have (on average 1.2640898097020035) internal successors, (27700), 21933 states have internal predecessors, (27700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:34:52,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21934 states to 21934 states and 27700 transitions. [2021-11-23 04:34:52,657 INFO L78 Accepts]: Start accepts. Automaton has 21934 states and 27700 transitions. Word has length 147 [2021-11-23 04:34:52,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:34:52,658 INFO L470 AbstractCegarLoop]: Abstraction has 21934 states and 27700 transitions. [2021-11-23 04:34:52,658 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 36.75) internal successors, (147), 4 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:34:52,658 INFO L276 IsEmpty]: Start isEmpty. Operand 21934 states and 27700 transitions. [2021-11-23 04:34:52,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-11-23 04:34:52,659 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:34:52,659 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:34:52,689 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-23 04:34:52,863 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2021-11-23 04:34:52,864 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 147 more)] === [2021-11-23 04:34:52,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:34:52,864 INFO L85 PathProgramCache]: Analyzing trace with hash 1137481231, now seen corresponding path program 1 times [2021-11-23 04:34:52,864 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:34:52,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687308856] [2021-11-23 04:34:52,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:34:52,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:34:52,915 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 04:34:52,915 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [500771371] [2021-11-23 04:34:52,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:34:52,916 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 04:34:52,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-23 04:34:52,917 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 04:34:52,918 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-23 04:34:53,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:34:53,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 3787 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 04:34:53,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 04:34:54,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:34:54,190 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 04:34:54,190 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:34:54,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687308856] [2021-11-23 04:34:54,190 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 04:34:54,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [500771371] [2021-11-23 04:34:54,191 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [500771371] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:34:54,191 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:34:54,191 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 04:34:54,191 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816207897] [2021-11-23 04:34:54,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:34:54,192 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 04:34:54,192 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:34:54,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 04:34:54,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 04:34:54,192 INFO L87 Difference]: Start difference. First operand 21934 states and 27700 transitions. Second operand has 5 states, 5 states have (on average 29.8) internal successors, (149), 5 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:34:57,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:34:57,619 INFO L93 Difference]: Finished difference Result 43750 states and 55272 transitions. [2021-11-23 04:34:57,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 04:34:57,620 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.8) internal successors, (149), 5 states have internal predecessors, (149), 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 149 [2021-11-23 04:34:57,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:34:57,651 INFO L225 Difference]: With dead ends: 43750 [2021-11-23 04:34:57,651 INFO L226 Difference]: Without dead ends: 21934 [2021-11-23 04:34:57,674 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-23 04:34:57,674 INFO L933 BasicCegarLoop]: 3936 mSDtfsCounter, 3 mSDsluCounter, 11802 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 15738 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 04:34:57,675 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 15738 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 04:34:57,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21934 states. [2021-11-23 04:35:00,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21934 to 21934. [2021-11-23 04:35:00,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21934 states, 21913 states have (on average 1.2639985396796423) internal successors, (27698), 21933 states have internal predecessors, (27698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:35:01,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21934 states to 21934 states and 27698 transitions. [2021-11-23 04:35:01,020 INFO L78 Accepts]: Start accepts. Automaton has 21934 states and 27698 transitions. Word has length 149 [2021-11-23 04:35:01,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:35:01,021 INFO L470 AbstractCegarLoop]: Abstraction has 21934 states and 27698 transitions. [2021-11-23 04:35:01,021 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.8) internal successors, (149), 5 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:35:01,021 INFO L276 IsEmpty]: Start isEmpty. Operand 21934 states and 27698 transitions. [2021-11-23 04:35:01,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-23 04:35:01,022 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:35:01,022 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:35:01,048 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-11-23 04:35:01,235 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 04:35:01,236 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 147 more)] === [2021-11-23 04:35:01,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:35:01,236 INFO L85 PathProgramCache]: Analyzing trace with hash 472117750, now seen corresponding path program 1 times [2021-11-23 04:35:01,236 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:35:01,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914719119] [2021-11-23 04:35:01,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:35:01,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:35:01,300 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 04:35:01,301 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1112693874] [2021-11-23 04:35:01,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:35:01,301 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 04:35:01,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-23 04:35:01,302 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) [2021-11-23 04:35:01,328 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-23 04:35:02,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:35:02,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 3801 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 04:35:02,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 04:35:02,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:35:02,412 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 04:35:02,412 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:35:02,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914719119] [2021-11-23 04:35:02,412 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 04:35:02,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1112693874] [2021-11-23 04:35:02,412 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1112693874] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:35:02,412 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:35:02,413 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 04:35:02,413 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244427114] [2021-11-23 04:35:02,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:35:02,413 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 04:35:02,413 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:35:02,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 04:35:02,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 04:35:02,414 INFO L87 Difference]: Start difference. First operand 21934 states and 27698 transitions. Second operand has 5 states, 5 states have (on average 30.2) internal successors, (151), 5 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:35:05,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:35:05,945 INFO L93 Difference]: Finished difference Result 43741 states and 55259 transitions. [2021-11-23 04:35:05,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 04:35:05,946 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.2) internal successors, (151), 5 states have internal predecessors, (151), 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 151 [2021-11-23 04:35:05,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:35:05,978 INFO L225 Difference]: With dead ends: 43741 [2021-11-23 04:35:05,978 INFO L226 Difference]: Without dead ends: 21934 [2021-11-23 04:35:05,999 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-23 04:35:06,000 INFO L933 BasicCegarLoop]: 3934 mSDtfsCounter, 3 mSDsluCounter, 11796 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 15730 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 04:35:06,000 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 15730 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 04:35:06,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21934 states. [2021-11-23 04:35:09,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21934 to 21934. [2021-11-23 04:35:09,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21934 states, 21913 states have (on average 1.263907269657281) internal successors, (27696), 21933 states have internal predecessors, (27696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:35:09,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21934 states to 21934 states and 27696 transitions. [2021-11-23 04:35:09,321 INFO L78 Accepts]: Start accepts. Automaton has 21934 states and 27696 transitions. Word has length 151 [2021-11-23 04:35:09,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:35:09,321 INFO L470 AbstractCegarLoop]: Abstraction has 21934 states and 27696 transitions. [2021-11-23 04:35:09,321 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.2) internal successors, (151), 5 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:35:09,321 INFO L276 IsEmpty]: Start isEmpty. Operand 21934 states and 27696 transitions. [2021-11-23 04:35:09,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2021-11-23 04:35:09,322 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:35:09,322 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:35:09,350 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-11-23 04:35:09,535 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 04:35:09,535 INFO L402 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 147 more)] === [2021-11-23 04:35:09,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:35:09,536 INFO L85 PathProgramCache]: Analyzing trace with hash 1298330575, now seen corresponding path program 1 times [2021-11-23 04:35:09,536 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:35:09,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276700829] [2021-11-23 04:35:09,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:35:09,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:35:09,612 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 04:35:09,613 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1849820388] [2021-11-23 04:35:09,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:35:09,613 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 04:35:09,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-23 04:35:09,614 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 04:35:09,615 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-23 04:35:10,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:35:10,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 3815 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-23 04:35:10,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 04:35:10,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:35:10,796 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 04:35:10,796 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:35:10,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276700829] [2021-11-23 04:35:10,796 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 04:35:10,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1849820388] [2021-11-23 04:35:10,797 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1849820388] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:35:10,797 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:35:10,797 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-23 04:35:10,797 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393032026] [2021-11-23 04:35:10,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:35:10,797 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-23 04:35:10,797 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:35:10,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-23 04:35:10,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-11-23 04:35:10,798 INFO L87 Difference]: Start difference. First operand 21934 states and 27696 transitions. Second operand has 12 states, 12 states have (on average 12.75) internal successors, (153), 12 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:35:17,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:35:17,151 INFO L93 Difference]: Finished difference Result 50998 states and 64435 transitions. [2021-11-23 04:35:17,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-23 04:35:17,152 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 12.75) internal successors, (153), 12 states have internal predecessors, (153), 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 153 [2021-11-23 04:35:17,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:35:17,207 INFO L225 Difference]: With dead ends: 50998 [2021-11-23 04:35:17,207 INFO L226 Difference]: Without dead ends: 34964 [2021-11-23 04:35:17,224 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=129, Invalid=291, Unknown=0, NotChecked=0, Total=420 [2021-11-23 04:35:17,225 INFO L933 BasicCegarLoop]: 3923 mSDtfsCounter, 16027 mSDsluCounter, 39019 mSDsCounter, 0 mSdLazyCounter, 273 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16027 SdHoareTripleChecker+Valid, 42942 SdHoareTripleChecker+Invalid, 287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-23 04:35:17,225 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16027 Valid, 42942 Invalid, 287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 273 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-23 04:35:17,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34964 states. [2021-11-23 04:35:20,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34964 to 22053. [2021-11-23 04:35:20,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22053 states, 22032 states have (on average 1.2623456790123457) internal successors, (27812), 22052 states have internal predecessors, (27812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:35:20,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22053 states to 22053 states and 27812 transitions. [2021-11-23 04:35:20,876 INFO L78 Accepts]: Start accepts. Automaton has 22053 states and 27812 transitions. Word has length 153 [2021-11-23 04:35:20,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:35:20,891 INFO L470 AbstractCegarLoop]: Abstraction has 22053 states and 27812 transitions. [2021-11-23 04:35:20,891 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 12.75) internal successors, (153), 12 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:35:20,892 INFO L276 IsEmpty]: Start isEmpty. Operand 22053 states and 27812 transitions. [2021-11-23 04:35:20,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2021-11-23 04:35:20,892 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:35:20,893 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:35:20,933 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-23 04:35:21,114 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2021-11-23 04:35:21,114 INFO L402 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 147 more)] === [2021-11-23 04:35:21,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:35:21,115 INFO L85 PathProgramCache]: Analyzing trace with hash -1682913948, now seen corresponding path program 1 times [2021-11-23 04:35:21,115 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:35:21,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689542663] [2021-11-23 04:35:21,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:35:21,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:35:21,200 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 04:35:21,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1165289377] [2021-11-23 04:35:21,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:35:21,201 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 04:35:21,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-23 04:35:21,220 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 04:35:21,221 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-23 04:35:22,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:35:22,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 3933 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 04:35:22,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 04:35:22,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:35:22,359 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 04:35:22,359 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:35:22,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689542663] [2021-11-23 04:35:22,359 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 04:35:22,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1165289377] [2021-11-23 04:35:22,359 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1165289377] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:35:22,359 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:35:22,360 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 04:35:22,360 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139666531] [2021-11-23 04:35:22,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:35:22,361 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 04:35:22,361 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:35:22,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 04:35:22,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 04:35:22,362 INFO L87 Difference]: Start difference. First operand 22053 states and 27812 transitions. Second operand has 4 states, 4 states have (on average 40.0) internal successors, (160), 4 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:35:26,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:35:26,417 INFO L93 Difference]: Finished difference Result 41326 states and 52185 transitions. [2021-11-23 04:35:26,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 04:35:26,418 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 40.0) internal successors, (160), 4 states have internal predecessors, (160), 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 160 [2021-11-23 04:35:26,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:35:26,459 INFO L225 Difference]: With dead ends: 41326 [2021-11-23 04:35:26,460 INFO L226 Difference]: Without dead ends: 23962 [2021-11-23 04:35:26,485 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 04:35:26,485 INFO L933 BasicCegarLoop]: 3930 mSDtfsCounter, 4535 mSDsluCounter, 7839 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4535 SdHoareTripleChecker+Valid, 11769 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 04:35:26,485 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4535 Valid, 11769 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 04:35:26,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23962 states. [2021-11-23 04:35:30,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23962 to 22055. [2021-11-23 04:35:30,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22055 states, 22034 states have (on average 1.2622764818008532) internal successors, (27813), 22054 states have internal predecessors, (27813), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:35:30,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22055 states to 22055 states and 27813 transitions. [2021-11-23 04:35:30,212 INFO L78 Accepts]: Start accepts. Automaton has 22055 states and 27813 transitions. Word has length 160 [2021-11-23 04:35:30,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:35:30,213 INFO L470 AbstractCegarLoop]: Abstraction has 22055 states and 27813 transitions. [2021-11-23 04:35:30,213 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 40.0) internal successors, (160), 4 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:35:30,213 INFO L276 IsEmpty]: Start isEmpty. Operand 22055 states and 27813 transitions. [2021-11-23 04:35:30,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-11-23 04:35:30,214 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:35:30,214 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:35:30,240 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-23 04:35:30,421 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2021-11-23 04:35:30,422 INFO L402 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 147 more)] === [2021-11-23 04:35:30,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:35:30,422 INFO L85 PathProgramCache]: Analyzing trace with hash -2035915902, now seen corresponding path program 1 times [2021-11-23 04:35:30,422 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:35:30,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021220209] [2021-11-23 04:35:30,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:35:30,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:35:30,502 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 04:35:30,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1429458333] [2021-11-23 04:35:30,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:35:30,502 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 04:35:30,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-23 04:35:30,526 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 04:35:30,541 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-23 04:35:31,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:35:31,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 3974 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 04:35:31,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 04:35:31,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:35:31,785 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 04:35:31,785 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:35:31,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021220209] [2021-11-23 04:35:31,785 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 04:35:31,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1429458333] [2021-11-23 04:35:31,785 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1429458333] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:35:31,792 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:35:31,793 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 04:35:31,793 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507202797] [2021-11-23 04:35:31,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:35:31,793 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 04:35:31,793 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:35:31,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 04:35:31,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 04:35:31,794 INFO L87 Difference]: Start difference. First operand 22055 states and 27813 transitions. Second operand has 4 states, 4 states have (on average 40.5) internal successors, (162), 4 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:35:35,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:35:35,529 INFO L93 Difference]: Finished difference Result 44018 states and 55528 transitions. [2021-11-23 04:35:35,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 04:35:35,530 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 40.5) internal successors, (162), 4 states have internal predecessors, (162), 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 162 [2021-11-23 04:35:35,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:35:35,563 INFO L225 Difference]: With dead ends: 44018 [2021-11-23 04:35:35,563 INFO L226 Difference]: Without dead ends: 22055 [2021-11-23 04:35:35,588 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 04:35:35,589 INFO L933 BasicCegarLoop]: 3932 mSDtfsCounter, 1 mSDsluCounter, 7856 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 11788 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 04:35:35,589 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 11788 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 04:35:35,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22055 states. [2021-11-23 04:35:39,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22055 to 22055. [2021-11-23 04:35:39,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22055 states, 22034 states have (on average 1.2621403285830988) internal successors, (27810), 22054 states have internal predecessors, (27810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:35:39,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22055 states to 22055 states and 27810 transitions. [2021-11-23 04:35:39,286 INFO L78 Accepts]: Start accepts. Automaton has 22055 states and 27810 transitions. Word has length 162 [2021-11-23 04:35:39,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:35:39,287 INFO L470 AbstractCegarLoop]: Abstraction has 22055 states and 27810 transitions. [2021-11-23 04:35:39,287 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 40.5) internal successors, (162), 4 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:35:39,287 INFO L276 IsEmpty]: Start isEmpty. Operand 22055 states and 27810 transitions. [2021-11-23 04:35:39,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2021-11-23 04:35:39,288 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:35:39,288 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:35:39,315 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-23 04:35:39,503 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 04:35:39,504 INFO L402 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 147 more)] === [2021-11-23 04:35:39,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:35:39,504 INFO L85 PathProgramCache]: Analyzing trace with hash -968274553, now seen corresponding path program 1 times [2021-11-23 04:35:39,504 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:35:39,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194687373] [2021-11-23 04:35:39,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:35:39,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:35:39,560 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 04:35:39,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [324215256] [2021-11-23 04:35:39,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:35:39,561 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 04:35:39,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-23 04:35:39,562 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 04:35:39,580 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-23 04:35:40,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:35:40,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 4056 conjuncts, 113 conjunts are in the unsatisfiable core [2021-11-23 04:35:40,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 04:35:41,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-23 04:35:41,199 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-23 04:35:41,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:35:41,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-11-23 04:35:41,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:35:41,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-11-23 04:35:41,574 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 04:35:41,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 24 [2021-11-23 04:35:41,577 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2021-11-23 04:35:41,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:35:41,596 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 04:35:41,596 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:35:41,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194687373] [2021-11-23 04:35:41,597 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 04:35:41,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [324215256] [2021-11-23 04:35:41,597 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [324215256] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:35:41,597 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:35:41,597 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2021-11-23 04:35:41,597 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733026315] [2021-11-23 04:35:41,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:35:41,599 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-11-23 04:35:41,599 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:35:41,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-11-23 04:35:41,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=489, Unknown=0, NotChecked=0, Total=552 [2021-11-23 04:35:41,600 INFO L87 Difference]: Start difference. First operand 22055 states and 27810 transitions. Second operand has 24 states, 24 states have (on average 7.083333333333333) internal successors, (170), 24 states have internal predecessors, (170), 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)