./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--usb--misc--legousbtower.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8 --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5574142529d95f295134c1dccd4c5dbe0383ae5c309e7dc50fd933e5702659ed --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:05:05,446 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:05:05,448 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:05:05,501 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:05:05,502 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:05:05,508 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:05:05,511 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:05:05,517 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:05:05,521 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:05:05,528 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:05:05,529 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:05:05,532 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:05:05,533 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:05:05,537 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:05:05,540 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:05:05,550 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:05:05,553 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:05:05,555 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:05:05,558 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:05:05,569 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:05:05,572 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:05:05,574 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:05:05,579 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:05:05,580 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:05:05,592 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:05:05,593 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:05:05,593 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:05:05,596 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:05:05,597 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:05:05,599 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:05:05,600 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:05:05,601 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:05:05,604 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:05:05,606 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:05:05,608 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:05:05,608 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:05:05,609 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:05:05,609 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:05:05,610 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:05:05,611 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:05:05,612 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:05:05,613 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-07 01:05:05,666 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:05:05,667 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:05:05,668 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:05:05,668 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:05:05,669 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:05:05,669 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:05:05,669 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:05:05,669 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:05:05,670 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:05:05,670 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:05:05,670 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:05:05,671 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:05:05,671 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:05:05,671 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:05:05,672 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:05:05,673 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:05:05,673 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:05:05,673 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:05:05,673 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:05:05,674 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:05:05,674 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:05:05,674 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:05:05,675 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:05:05,675 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:05:05,675 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:05:05,675 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:05:05,676 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:05:05,676 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:05:05,676 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:05:05,677 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:05:05,677 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:05:05,677 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:05:05,677 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:05:05,678 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:05:05,678 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:05:05,678 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:05:05,678 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5574142529d95f295134c1dccd4c5dbe0383ae5c309e7dc50fd933e5702659ed [2021-11-07 01:05:06,010 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:05:06,062 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:05:06,065 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:05:06,066 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:05:06,067 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:05:06,068 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i [2021-11-07 01:05:06,144 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/data/507d2157c/afdd578993944de99b8ab3fad6a8bc84/FLAG7d93c2c35 [2021-11-07 01:05:07,378 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:05:07,379 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i [2021-11-07 01:05:07,444 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/data/507d2157c/afdd578993944de99b8ab3fad6a8bc84/FLAG7d93c2c35 [2021-11-07 01:05:07,627 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/data/507d2157c/afdd578993944de99b8ab3fad6a8bc84 [2021-11-07 01:05:07,630 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:05:07,631 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:05:07,633 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:05:07,633 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:05:07,637 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:05:07,638 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:05:07" (1/1) ... [2021-11-07 01:05:07,639 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@429e13f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:05:07, skipping insertion in model container [2021-11-07 01:05:07,640 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:05:07" (1/1) ... [2021-11-07 01:05:07,649 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:05:07,808 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:05:09,422 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:05:09,433 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:05:09,448 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:05:09,452 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:05:09,509 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:05:09,526 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:05:09,545 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:05:09,561 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:05:09,595 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:05:09,707 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:05:09,708 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:05:09,709 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:05:09,714 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:05:09,715 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:05:09,718 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:05:09,720 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:05:09,721 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:05:09,722 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:05:09,729 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:05:09,734 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:05:09,735 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:05:09,736 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:05:09,737 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:05:10,008 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:05:10,017 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:05:10,503 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:05:10,504 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:05:11,018 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273031,273044] [2021-11-07 01:05:11,029 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273176,273189] [2021-11-07 01:05:11,032 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273322,273335] [2021-11-07 01:05:11,033 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273487,273500] [2021-11-07 01:05:11,034 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273645,273658] [2021-11-07 01:05:11,034 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273803,273816] [2021-11-07 01:05:11,036 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273961,273974] [2021-11-07 01:05:11,036 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274121,274134] [2021-11-07 01:05:11,037 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274280,274293] [2021-11-07 01:05:11,038 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274419,274432] [2021-11-07 01:05:11,038 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274561,274574] [2021-11-07 01:05:11,039 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274710,274723] [2021-11-07 01:05:11,040 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274849,274862] [2021-11-07 01:05:11,048 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275004,275017] [2021-11-07 01:05:11,050 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275164,275177] [2021-11-07 01:05:11,058 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275315,275328] [2021-11-07 01:05:11,059 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275466,275479] [2021-11-07 01:05:11,060 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275618,275631] [2021-11-07 01:05:11,060 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275767,275780] [2021-11-07 01:05:11,061 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275915,275928] [2021-11-07 01:05:11,062 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276072,276085] [2021-11-07 01:05:11,064 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276221,276234] [2021-11-07 01:05:11,064 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276377,276390] [2021-11-07 01:05:11,065 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276530,276543] [2021-11-07 01:05:11,066 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276676,276689] [2021-11-07 01:05:11,066 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276819,276832] [2021-11-07 01:05:11,067 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276971,276984] [2021-11-07 01:05:11,068 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277117,277130] [2021-11-07 01:05:11,068 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277262,277275] [2021-11-07 01:05:11,069 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277416,277429] [2021-11-07 01:05:11,069 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277567,277580] [2021-11-07 01:05:11,070 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277722,277735] [2021-11-07 01:05:11,070 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277874,277887] [2021-11-07 01:05:11,071 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278029,278042] [2021-11-07 01:05:11,073 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278193,278206] [2021-11-07 01:05:11,074 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278349,278362] [2021-11-07 01:05:11,074 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278513,278526] [2021-11-07 01:05:11,075 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278655,278668] [2021-11-07 01:05:11,075 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278813,278826] [2021-11-07 01:05:11,076 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278980,278993] [2021-11-07 01:05:11,077 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279139,279152] [2021-11-07 01:05:11,077 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279298,279311] [2021-11-07 01:05:11,078 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279447,279460] [2021-11-07 01:05:11,078 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279594,279607] [2021-11-07 01:05:11,079 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279733,279746] [2021-11-07 01:05:11,079 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279896,279909] [2021-11-07 01:05:11,080 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280062,280075] [2021-11-07 01:05:11,081 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280226,280239] [2021-11-07 01:05:11,081 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280391,280404] [2021-11-07 01:05:11,082 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280556,280569] [2021-11-07 01:05:11,082 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280722,280735] [2021-11-07 01:05:11,083 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280887,280900] [2021-11-07 01:05:11,083 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281054,281067] [2021-11-07 01:05:11,084 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281214,281227] [2021-11-07 01:05:11,084 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281376,281389] [2021-11-07 01:05:11,085 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281535,281548] [2021-11-07 01:05:11,085 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281681,281694] [2021-11-07 01:05:11,086 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281824,281837] [2021-11-07 01:05:11,086 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281968,281981] [2021-11-07 01:05:11,087 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282111,282124] [2021-11-07 01:05:11,088 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282255,282268] [2021-11-07 01:05:11,088 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282396,282409] [2021-11-07 01:05:11,089 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282534,282547] [2021-11-07 01:05:11,128 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282692,282705] [2021-11-07 01:05:11,129 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282851,282864] [2021-11-07 01:05:11,129 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283007,283020] [2021-11-07 01:05:11,130 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283156,283169] [2021-11-07 01:05:11,130 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283308,283321] [2021-11-07 01:05:11,131 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283459,283472] [2021-11-07 01:05:11,131 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283608,283621] [2021-11-07 01:05:11,132 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283760,283773] [2021-11-07 01:05:11,132 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283908,283921] [2021-11-07 01:05:11,133 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284061,284074] [2021-11-07 01:05:11,133 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284212,284225] [2021-11-07 01:05:11,134 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284362,284375] [2021-11-07 01:05:11,135 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284509,284522] [2021-11-07 01:05:11,136 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284660,284673] [2021-11-07 01:05:11,137 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284811,284824] [2021-11-07 01:05:11,137 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284959,284972] [2021-11-07 01:05:11,138 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285125,285138] [2021-11-07 01:05:11,138 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285294,285307] [2021-11-07 01:05:11,139 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285461,285474] [2021-11-07 01:05:11,139 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285629,285642] [2021-11-07 01:05:11,140 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285779,285792] [2021-11-07 01:05:11,140 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285926,285939] [2021-11-07 01:05:11,142 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[286087,286100] [2021-11-07 01:05:11,143 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[286257,286270] [2021-11-07 01:05:11,143 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[286419,286432] [2021-11-07 01:05:11,153 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:05:11,183 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-07 01:05:11,184 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4a8cdbd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:05:11, skipping insertion in model container [2021-11-07 01:05:11,184 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:05:11,185 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 01:05:11,187 INFO L168 Benchmark]: Toolchain (without parser) took 3554.70 ms. Allocated memory is still 115.3 MB. Free memory was 81.9 MB in the beginning and 70.4 MB in the end (delta: 11.5 MB). Peak memory consumption was 54.3 MB. Max. memory is 16.1 GB. [2021-11-07 01:05:11,188 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 81.8 MB. Free memory was 58.1 MB in the beginning and 58.0 MB in the end (delta: 41.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:05:11,189 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3551.72 ms. Allocated memory is still 115.3 MB. Free memory was 81.5 MB in the beginning and 70.9 MB in the end (delta: 10.6 MB). Peak memory consumption was 50.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:05:11,191 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 81.8 MB. Free memory was 58.1 MB in the beginning and 58.0 MB in the end (delta: 41.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3551.72 ms. Allocated memory is still 115.3 MB. Free memory was 81.5 MB in the beginning and 70.9 MB in the end (delta: 10.6 MB). Peak memory consumption was 50.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4392]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8 --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5574142529d95f295134c1dccd4c5dbe0383ae5c309e7dc50fd933e5702659ed --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:05:13,972 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:05:13,976 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:05:14,040 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:05:14,041 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:05:14,047 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:05:14,050 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:05:14,056 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:05:14,060 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:05:14,069 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:05:14,071 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:05:14,074 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:05:14,074 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:05:14,077 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:05:14,080 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:05:14,086 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:05:14,088 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:05:14,090 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:05:14,092 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:05:14,102 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:05:14,105 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:05:14,107 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:05:14,110 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:05:14,113 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:05:14,124 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:05:14,125 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:05:14,125 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:05:14,128 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:05:14,129 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:05:14,130 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:05:14,131 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:05:14,132 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:05:14,135 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:05:14,136 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:05:14,138 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:05:14,139 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:05:14,147 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:05:14,147 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:05:14,148 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:05:14,150 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:05:14,152 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:05:14,158 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-07 01:05:14,211 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:05:14,212 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:05:14,214 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:05:14,214 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:05:14,214 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:05:14,215 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:05:14,215 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:05:14,216 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:05:14,217 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:05:14,219 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:05:14,220 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:05:14,221 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:05:14,221 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:05:14,221 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:05:14,222 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:05:14,222 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 01:05:14,223 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 01:05:14,223 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:05:14,223 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:05:14,224 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:05:14,224 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:05:14,225 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 01:05:14,225 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:05:14,225 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:05:14,226 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:05:14,226 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:05:14,227 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:05:14,227 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 01:05:14,227 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 01:05:14,228 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:05:14,228 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:05:14,228 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:05:14,229 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5574142529d95f295134c1dccd4c5dbe0383ae5c309e7dc50fd933e5702659ed [2021-11-07 01:05:14,676 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:05:14,702 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:05:14,705 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:05:14,707 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:05:14,708 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:05:14,709 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i [2021-11-07 01:05:14,801 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/data/d4113b35c/ffea029991514fbcac9e84a7be6b8513/FLAG78ae30a6b [2021-11-07 01:05:15,970 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:05:15,972 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i [2021-11-07 01:05:16,030 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/data/d4113b35c/ffea029991514fbcac9e84a7be6b8513/FLAG78ae30a6b [2021-11-07 01:05:16,308 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/data/d4113b35c/ffea029991514fbcac9e84a7be6b8513 [2021-11-07 01:05:16,311 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:05:16,313 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:05:16,314 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:05:16,315 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:05:16,331 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:05:16,332 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:05:16" (1/1) ... [2021-11-07 01:05:16,333 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d31224f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:05:16, skipping insertion in model container [2021-11-07 01:05:16,333 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:05:16" (1/1) ... [2021-11-07 01:05:16,342 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:05:16,504 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:05:20,102 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273031,273044] [2021-11-07 01:05:20,114 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273176,273189] [2021-11-07 01:05:20,115 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273322,273335] [2021-11-07 01:05:20,116 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273487,273500] [2021-11-07 01:05:20,116 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273645,273658] [2021-11-07 01:05:20,117 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273803,273816] [2021-11-07 01:05:20,117 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273961,273974] [2021-11-07 01:05:20,118 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274121,274134] [2021-11-07 01:05:20,119 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274280,274293] [2021-11-07 01:05:20,119 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274419,274432] [2021-11-07 01:05:20,120 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274561,274574] [2021-11-07 01:05:20,121 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274710,274723] [2021-11-07 01:05:20,121 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274849,274862] [2021-11-07 01:05:20,122 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275004,275017] [2021-11-07 01:05:20,123 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275164,275177] [2021-11-07 01:05:20,123 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275315,275328] [2021-11-07 01:05:20,124 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275466,275479] [2021-11-07 01:05:20,125 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275618,275631] [2021-11-07 01:05:20,126 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275767,275780] [2021-11-07 01:05:20,168 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275915,275928] [2021-11-07 01:05:20,168 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276072,276085] [2021-11-07 01:05:20,169 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276221,276234] [2021-11-07 01:05:20,169 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276377,276390] [2021-11-07 01:05:20,170 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276530,276543] [2021-11-07 01:05:20,171 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276676,276689] [2021-11-07 01:05:20,171 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276819,276832] [2021-11-07 01:05:20,172 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276971,276984] [2021-11-07 01:05:20,172 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277117,277130] [2021-11-07 01:05:20,173 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277262,277275] [2021-11-07 01:05:20,174 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277416,277429] [2021-11-07 01:05:20,174 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277567,277580] [2021-11-07 01:05:20,175 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277722,277735] [2021-11-07 01:05:20,175 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277874,277887] [2021-11-07 01:05:20,176 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278029,278042] [2021-11-07 01:05:20,177 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278193,278206] [2021-11-07 01:05:20,177 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278349,278362] [2021-11-07 01:05:20,178 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278513,278526] [2021-11-07 01:05:20,178 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278655,278668] [2021-11-07 01:05:20,179 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278813,278826] [2021-11-07 01:05:20,180 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278980,278993] [2021-11-07 01:05:20,180 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279139,279152] [2021-11-07 01:05:20,181 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279298,279311] [2021-11-07 01:05:20,196 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279447,279460] [2021-11-07 01:05:20,197 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279594,279607] [2021-11-07 01:05:20,197 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279733,279746] [2021-11-07 01:05:20,198 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279896,279909] [2021-11-07 01:05:20,199 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280062,280075] [2021-11-07 01:05:20,199 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280226,280239] [2021-11-07 01:05:20,200 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280391,280404] [2021-11-07 01:05:20,201 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280556,280569] [2021-11-07 01:05:20,201 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280722,280735] [2021-11-07 01:05:20,202 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280887,280900] [2021-11-07 01:05:20,202 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281054,281067] [2021-11-07 01:05:20,203 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281214,281227] [2021-11-07 01:05:20,204 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281376,281389] [2021-11-07 01:05:20,204 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281535,281548] [2021-11-07 01:05:20,205 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281681,281694] [2021-11-07 01:05:20,206 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281824,281837] [2021-11-07 01:05:20,206 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281968,281981] [2021-11-07 01:05:20,207 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282111,282124] [2021-11-07 01:05:20,207 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282255,282268] [2021-11-07 01:05:20,208 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282396,282409] [2021-11-07 01:05:20,209 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282534,282547] [2021-11-07 01:05:20,209 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282692,282705] [2021-11-07 01:05:20,210 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282851,282864] [2021-11-07 01:05:20,211 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283007,283020] [2021-11-07 01:05:20,213 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283156,283169] [2021-11-07 01:05:20,214 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283308,283321] [2021-11-07 01:05:20,215 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283459,283472] [2021-11-07 01:05:20,221 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283608,283621] [2021-11-07 01:05:20,222 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283760,283773] [2021-11-07 01:05:20,223 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283908,283921] [2021-11-07 01:05:20,223 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284061,284074] [2021-11-07 01:05:20,224 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284212,284225] [2021-11-07 01:05:20,224 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284362,284375] [2021-11-07 01:05:20,225 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284509,284522] [2021-11-07 01:05:20,226 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284660,284673] [2021-11-07 01:05:20,226 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284811,284824] [2021-11-07 01:05:20,227 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284959,284972] [2021-11-07 01:05:20,228 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285125,285138] [2021-11-07 01:05:20,228 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285294,285307] [2021-11-07 01:05:20,229 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285461,285474] [2021-11-07 01:05:20,230 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285629,285642] [2021-11-07 01:05:20,230 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285779,285792] [2021-11-07 01:05:20,231 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285926,285939] [2021-11-07 01:05:20,231 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[286087,286100] [2021-11-07 01:05:20,232 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[286257,286270] [2021-11-07 01:05:20,233 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[286419,286432] [2021-11-07 01:05:20,244 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:05:20,297 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 01:05:20,382 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:05:20,658 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273031,273044] [2021-11-07 01:05:20,659 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273176,273189] [2021-11-07 01:05:20,660 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273322,273335] [2021-11-07 01:05:20,660 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273487,273500] [2021-11-07 01:05:20,661 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273645,273658] [2021-11-07 01:05:20,661 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273803,273816] [2021-11-07 01:05:20,662 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273961,273974] [2021-11-07 01:05:20,662 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274121,274134] [2021-11-07 01:05:20,663 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274280,274293] [2021-11-07 01:05:20,663 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274419,274432] [2021-11-07 01:05:20,664 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274561,274574] [2021-11-07 01:05:20,664 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274710,274723] [2021-11-07 01:05:20,665 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274849,274862] [2021-11-07 01:05:20,666 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275004,275017] [2021-11-07 01:05:20,666 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275164,275177] [2021-11-07 01:05:20,667 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275315,275328] [2021-11-07 01:05:20,667 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275466,275479] [2021-11-07 01:05:20,668 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275618,275631] [2021-11-07 01:05:20,668 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275767,275780] [2021-11-07 01:05:20,669 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275915,275928] [2021-11-07 01:05:20,669 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276072,276085] [2021-11-07 01:05:20,670 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276221,276234] [2021-11-07 01:05:20,670 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276377,276390] [2021-11-07 01:05:20,671 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276530,276543] [2021-11-07 01:05:20,671 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276676,276689] [2021-11-07 01:05:20,672 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276819,276832] [2021-11-07 01:05:20,672 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276971,276984] [2021-11-07 01:05:20,673 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277117,277130] [2021-11-07 01:05:20,673 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277262,277275] [2021-11-07 01:05:20,674 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277416,277429] [2021-11-07 01:05:20,674 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277567,277580] [2021-11-07 01:05:20,675 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277722,277735] [2021-11-07 01:05:20,676 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277874,277887] [2021-11-07 01:05:20,676 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278029,278042] [2021-11-07 01:05:20,677 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278193,278206] [2021-11-07 01:05:20,677 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278349,278362] [2021-11-07 01:05:20,678 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278513,278526] [2021-11-07 01:05:20,678 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278655,278668] [2021-11-07 01:05:20,679 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278813,278826] [2021-11-07 01:05:20,679 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278980,278993] [2021-11-07 01:05:20,680 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279139,279152] [2021-11-07 01:05:20,680 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279298,279311] [2021-11-07 01:05:20,681 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279447,279460] [2021-11-07 01:05:20,681 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279594,279607] [2021-11-07 01:05:20,682 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279733,279746] [2021-11-07 01:05:20,682 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279896,279909] [2021-11-07 01:05:20,683 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280062,280075] [2021-11-07 01:05:20,683 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280226,280239] [2021-11-07 01:05:20,684 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280391,280404] [2021-11-07 01:05:20,684 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280556,280569] [2021-11-07 01:05:20,685 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280722,280735] [2021-11-07 01:05:20,685 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280887,280900] [2021-11-07 01:05:20,686 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281054,281067] [2021-11-07 01:05:20,686 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281214,281227] [2021-11-07 01:05:20,687 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281376,281389] [2021-11-07 01:05:20,687 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281535,281548] [2021-11-07 01:05:20,688 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281681,281694] [2021-11-07 01:05:20,689 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281824,281837] [2021-11-07 01:05:20,689 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281968,281981] [2021-11-07 01:05:20,690 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282111,282124] [2021-11-07 01:05:20,690 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282255,282268] [2021-11-07 01:05:20,691 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282396,282409] [2021-11-07 01:05:20,691 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282534,282547] [2021-11-07 01:05:20,692 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282692,282705] [2021-11-07 01:05:20,692 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282851,282864] [2021-11-07 01:05:20,693 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283007,283020] [2021-11-07 01:05:20,693 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283156,283169] [2021-11-07 01:05:20,694 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283308,283321] [2021-11-07 01:05:20,694 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283459,283472] [2021-11-07 01:05:20,695 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283608,283621] [2021-11-07 01:05:20,695 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283760,283773] [2021-11-07 01:05:20,696 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283908,283921] [2021-11-07 01:05:20,696 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284061,284074] [2021-11-07 01:05:20,697 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284212,284225] [2021-11-07 01:05:20,697 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284362,284375] [2021-11-07 01:05:20,698 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284509,284522] [2021-11-07 01:05:20,698 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284660,284673] [2021-11-07 01:05:20,699 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284811,284824] [2021-11-07 01:05:20,700 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284959,284972] [2021-11-07 01:05:20,700 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285125,285138] [2021-11-07 01:05:20,701 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285294,285307] [2021-11-07 01:05:20,701 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285461,285474] [2021-11-07 01:05:20,702 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285629,285642] [2021-11-07 01:05:20,702 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285779,285792] [2021-11-07 01:05:20,703 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285926,285939] [2021-11-07 01:05:20,703 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[286087,286100] [2021-11-07 01:05:20,704 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[286257,286270] [2021-11-07 01:05:20,704 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[286419,286432] [2021-11-07 01:05:20,707 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:05:20,752 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:05:21,048 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273031,273044] [2021-11-07 01:05:21,049 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273176,273189] [2021-11-07 01:05:21,049 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273322,273335] [2021-11-07 01:05:21,050 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273487,273500] [2021-11-07 01:05:21,050 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273645,273658] [2021-11-07 01:05:21,051 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273803,273816] [2021-11-07 01:05:21,051 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273961,273974] [2021-11-07 01:05:21,051 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274121,274134] [2021-11-07 01:05:21,052 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274280,274293] [2021-11-07 01:05:21,054 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274419,274432] [2021-11-07 01:05:21,054 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274561,274574] [2021-11-07 01:05:21,055 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274710,274723] [2021-11-07 01:05:21,055 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274849,274862] [2021-11-07 01:05:21,057 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275004,275017] [2021-11-07 01:05:21,058 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275164,275177] [2021-11-07 01:05:21,058 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275315,275328] [2021-11-07 01:05:21,059 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275466,275479] [2021-11-07 01:05:21,059 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275618,275631] [2021-11-07 01:05:21,060 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275767,275780] [2021-11-07 01:05:21,061 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275915,275928] [2021-11-07 01:05:21,061 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276072,276085] [2021-11-07 01:05:21,062 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276221,276234] [2021-11-07 01:05:21,062 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276377,276390] [2021-11-07 01:05:21,062 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276530,276543] [2021-11-07 01:05:21,063 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276676,276689] [2021-11-07 01:05:21,063 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276819,276832] [2021-11-07 01:05:21,066 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276971,276984] [2021-11-07 01:05:21,067 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277117,277130] [2021-11-07 01:05:21,067 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277262,277275] [2021-11-07 01:05:21,068 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277416,277429] [2021-11-07 01:05:21,069 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277567,277580] [2021-11-07 01:05:21,070 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277722,277735] [2021-11-07 01:05:21,071 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277874,277887] [2021-11-07 01:05:21,071 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278029,278042] [2021-11-07 01:05:21,072 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278193,278206] [2021-11-07 01:05:21,072 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278349,278362] [2021-11-07 01:05:21,074 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278513,278526] [2021-11-07 01:05:21,074 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278655,278668] [2021-11-07 01:05:21,075 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278813,278826] [2021-11-07 01:05:21,075 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278980,278993] [2021-11-07 01:05:21,077 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279139,279152] [2021-11-07 01:05:21,078 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279298,279311] [2021-11-07 01:05:21,078 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279447,279460] [2021-11-07 01:05:21,120 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279594,279607] [2021-11-07 01:05:21,120 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279733,279746] [2021-11-07 01:05:21,121 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279896,279909] [2021-11-07 01:05:21,121 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280062,280075] [2021-11-07 01:05:21,122 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280226,280239] [2021-11-07 01:05:21,122 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280391,280404] [2021-11-07 01:05:21,122 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280556,280569] [2021-11-07 01:05:21,123 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280722,280735] [2021-11-07 01:05:21,123 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280887,280900] [2021-11-07 01:05:21,124 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281054,281067] [2021-11-07 01:05:21,124 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281214,281227] [2021-11-07 01:05:21,125 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281376,281389] [2021-11-07 01:05:21,125 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281535,281548] [2021-11-07 01:05:21,125 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281681,281694] [2021-11-07 01:05:21,126 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281824,281837] [2021-11-07 01:05:21,126 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281968,281981] [2021-11-07 01:05:21,127 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282111,282124] [2021-11-07 01:05:21,127 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282255,282268] [2021-11-07 01:05:21,136 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282396,282409] [2021-11-07 01:05:21,136 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282534,282547] [2021-11-07 01:05:21,137 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282692,282705] [2021-11-07 01:05:21,137 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282851,282864] [2021-11-07 01:05:21,138 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283007,283020] [2021-11-07 01:05:21,138 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283156,283169] [2021-11-07 01:05:21,139 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283308,283321] [2021-11-07 01:05:21,139 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283459,283472] [2021-11-07 01:05:21,155 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283608,283621] [2021-11-07 01:05:21,156 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283760,283773] [2021-11-07 01:05:21,157 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283908,283921] [2021-11-07 01:05:21,157 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284061,284074] [2021-11-07 01:05:21,158 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284212,284225] [2021-11-07 01:05:21,158 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284362,284375] [2021-11-07 01:05:21,159 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284509,284522] [2021-11-07 01:05:21,160 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284660,284673] [2021-11-07 01:05:21,160 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284811,284824] [2021-11-07 01:05:21,161 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284959,284972] [2021-11-07 01:05:21,162 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285125,285138] [2021-11-07 01:05:21,167 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285294,285307] [2021-11-07 01:05:21,168 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285461,285474] [2021-11-07 01:05:21,169 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285629,285642] [2021-11-07 01:05:21,169 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285779,285792] [2021-11-07 01:05:21,170 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285926,285939] [2021-11-07 01:05:21,170 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[286087,286100] [2021-11-07 01:05:21,171 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[286257,286270] [2021-11-07 01:05:21,171 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[286419,286432] [2021-11-07 01:05:21,175 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:05:21,564 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:05:21,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:05:21 WrapperNode [2021-11-07 01:05:21,564 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:05:21,566 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:05:21,566 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:05:21,567 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:05:21,575 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:05:21" (1/1) ... [2021-11-07 01:05:21,709 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:05:21" (1/1) ... [2021-11-07 01:05:21,934 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:05:21,935 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:05:21,935 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:05:21,935 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:05:21,946 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:05:21" (1/1) ... [2021-11-07 01:05:21,946 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:05:21" (1/1) ... [2021-11-07 01:05:21,974 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:05:21" (1/1) ... [2021-11-07 01:05:21,975 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:05:21" (1/1) ... [2021-11-07 01:05:22,161 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:05:21" (1/1) ... [2021-11-07 01:05:22,202 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:05:21" (1/1) ... [2021-11-07 01:05:22,236 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:05:21" (1/1) ... [2021-11-07 01:05:22,287 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:05:22,289 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:05:22,289 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:05:22,289 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:05:22,290 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:05:21" (1/1) ... [2021-11-07 01:05:22,299 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:05:22,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:05:22,330 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:05:22,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:05:22,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 01:05:22,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 01:05:22,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-07 01:05:22,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-07 01:05:22,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 01:05:22,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 01:05:22,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:05:22,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:05:22,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-07 01:05:22,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-07 01:05:22,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-07 01:05:22,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-07 01:05:22,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:05:22,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 01:05:22,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-07 01:05:22,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-07 01:05:22,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-07 01:05:22,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-07 01:05:22,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-07 01:05:22,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-07 01:05:22,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-07 01:05:48,713 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_entry_EMGentry_5_returnLabel: main_#res := 0bv32; [2021-11-07 01:05:48,714 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-07 01:05:48,715 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5782: #t~ret640 := main_#res; [2021-11-07 01:05:48,741 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:05:48,741 INFO L299 CfgBuilder]: Removed 1173 assume(true) statements. [2021-11-07 01:05:48,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:05:48 BoogieIcfgContainer [2021-11-07 01:05:48,746 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:05:48,748 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:05:48,748 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:05:48,752 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:05:48,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:05:16" (1/3) ... [2021-11-07 01:05:48,753 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b4cb4f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:05:48, skipping insertion in model container [2021-11-07 01:05:48,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:05:21" (2/3) ... [2021-11-07 01:05:48,754 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b4cb4f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:05:48, skipping insertion in model container [2021-11-07 01:05:48,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:05:48" (3/3) ... [2021-11-07 01:05:48,756 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i [2021-11-07 01:05:48,762 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:05:48,762 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 95 error locations. [2021-11-07 01:05:48,824 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:05:48,829 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 01:05:48,829 INFO L340 AbstractCegarLoop]: Starting to check reachability of 95 error locations. [2021-11-07 01:05:48,891 INFO L276 IsEmpty]: Start isEmpty. Operand has 1102 states, 1007 states have (on average 1.4280039721946376) internal successors, (1438), 1101 states have internal predecessors, (1438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:05:48,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-07 01:05:48,898 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:05:48,899 INFO L513 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] [2021-11-07 01:05:48,900 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 92 more)] === [2021-11-07 01:05:48,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:05:48,906 INFO L85 PathProgramCache]: Analyzing trace with hash 763167304, now seen corresponding path program 1 times [2021-11-07 01:05:48,927 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:05:48,928 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [78652632] [2021-11-07 01:05:48,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:05:48,929 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:05:48,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:05:48,932 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:05:48,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 01:05:50,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:05:50,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 805 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:05:50,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:05:50,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:05:50,730 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:05:51,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:05:51,013 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:05:51,013 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [78652632] [2021-11-07 01:05:51,014 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [78652632] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:05:51,014 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:05:51,014 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:05:51,016 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156703894] [2021-11-07 01:05:51,021 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:05:51,021 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:05:51,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:05:51,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:05:51,044 INFO L87 Difference]: Start difference. First operand has 1102 states, 1007 states have (on average 1.4280039721946376) internal successors, (1438), 1101 states have internal predecessors, (1438), 0 states have call successors, (0), 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 5 states, 5 states have (on average 6.2) internal successors, (31), 4 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) [2021-11-07 01:05:51,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:05:51,227 INFO L93 Difference]: Finished difference Result 2130 states and 2783 transitions. [2021-11-07 01:05:51,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:05:51,229 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 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 29 [2021-11-07 01:05:51,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:05:51,257 INFO L225 Difference]: With dead ends: 2130 [2021-11-07 01:05:51,257 INFO L226 Difference]: Without dead ends: 1028 [2021-11-07 01:05:51,268 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:05:51,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1028 states. [2021-11-07 01:05:51,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1028 to 1028. [2021-11-07 01:05:51,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1028 states, 935 states have (on average 1.2823529411764707) internal successors, (1199), 1027 states have internal predecessors, (1199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:05:51,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1028 states to 1028 states and 1199 transitions. [2021-11-07 01:05:51,420 INFO L78 Accepts]: Start accepts. Automaton has 1028 states and 1199 transitions. Word has length 29 [2021-11-07 01:05:51,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:05:51,420 INFO L470 AbstractCegarLoop]: Abstraction has 1028 states and 1199 transitions. [2021-11-07 01:05:51,421 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 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) [2021-11-07 01:05:51,421 INFO L276 IsEmpty]: Start isEmpty. Operand 1028 states and 1199 transitions. [2021-11-07 01:05:51,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-07 01:05:51,422 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:05:51,423 INFO L513 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] [2021-11-07 01:05:51,466 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 01:05:51,631 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:05:51,632 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 92 more)] === [2021-11-07 01:05:51,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:05:51,633 INFO L85 PathProgramCache]: Analyzing trace with hash -1035464564, now seen corresponding path program 1 times [2021-11-07 01:05:51,635 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:05:51,635 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1012373936] [2021-11-07 01:05:51,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:05:51,636 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:05:51,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:05:51,639 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:05:51,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 01:05:53,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:05:53,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 808 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:05:53,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:05:53,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:05:53,322 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:05:53,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:05:53,572 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:05:53,572 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1012373936] [2021-11-07 01:05:53,572 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1012373936] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:05:53,572 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:05:53,572 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:05:53,573 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661320484] [2021-11-07 01:05:53,574 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:05:53,574 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:05:53,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:05:53,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:05:53,575 INFO L87 Difference]: Start difference. First operand 1028 states and 1199 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:05:53,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:05:53,666 INFO L93 Difference]: Finished difference Result 1028 states and 1199 transitions. [2021-11-07 01:05:53,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:05:53,667 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 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 [2021-11-07 01:05:53,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:05:53,674 INFO L225 Difference]: With dead ends: 1028 [2021-11-07 01:05:53,674 INFO L226 Difference]: Without dead ends: 1024 [2021-11-07 01:05:53,675 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:05:53,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1024 states. [2021-11-07 01:05:53,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1024 to 1024. [2021-11-07 01:05:53,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1024 states, 933 states have (on average 1.2808145766345123) internal successors, (1195), 1023 states have internal predecessors, (1195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:05:53,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1024 states to 1024 states and 1195 transitions. [2021-11-07 01:05:53,785 INFO L78 Accepts]: Start accepts. Automaton has 1024 states and 1195 transitions. Word has length 31 [2021-11-07 01:05:53,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:05:53,785 INFO L470 AbstractCegarLoop]: Abstraction has 1024 states and 1195 transitions. [2021-11-07 01:05:53,785 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:05:53,786 INFO L276 IsEmpty]: Start isEmpty. Operand 1024 states and 1195 transitions. [2021-11-07 01:05:53,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-07 01:05:53,787 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:05:53,787 INFO L513 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] [2021-11-07 01:05:53,818 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 01:05:54,003 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:05:54,004 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 92 more)] === [2021-11-07 01:05:54,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:05:54,005 INFO L85 PathProgramCache]: Analyzing trace with hash 1351130928, now seen corresponding path program 1 times [2021-11-07 01:05:54,007 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:05:54,008 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1202841026] [2021-11-07 01:05:54,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:05:54,008 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:05:54,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:05:54,009 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:05:54,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 01:05:55,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:05:55,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 811 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:05:55,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:05:55,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:05:55,586 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:05:55,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:05:55,828 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:05:55,828 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1202841026] [2021-11-07 01:05:55,829 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1202841026] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:05:55,829 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:05:55,829 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:05:55,829 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820137906] [2021-11-07 01:05:55,830 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:05:55,830 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:05:55,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:05:55,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:05:55,831 INFO L87 Difference]: Start difference. First operand 1024 states and 1195 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:05:55,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:05:55,926 INFO L93 Difference]: Finished difference Result 1024 states and 1195 transitions. [2021-11-07 01:05:55,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:05:55,928 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 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 33 [2021-11-07 01:05:55,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:05:55,935 INFO L225 Difference]: With dead ends: 1024 [2021-11-07 01:05:55,935 INFO L226 Difference]: Without dead ends: 1020 [2021-11-07 01:05:55,936 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:05:55,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1020 states. [2021-11-07 01:05:55,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1020 to 1020. [2021-11-07 01:05:55,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1020 states, 931 states have (on average 1.2792696025778731) internal successors, (1191), 1019 states have internal predecessors, (1191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:05:55,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1020 states to 1020 states and 1191 transitions. [2021-11-07 01:05:55,993 INFO L78 Accepts]: Start accepts. Automaton has 1020 states and 1191 transitions. Word has length 33 [2021-11-07 01:05:55,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:05:55,994 INFO L470 AbstractCegarLoop]: Abstraction has 1020 states and 1191 transitions. [2021-11-07 01:05:55,994 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:05:55,994 INFO L276 IsEmpty]: Start isEmpty. Operand 1020 states and 1191 transitions. [2021-11-07 01:05:56,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-07 01:05:56,003 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:05:56,004 INFO L513 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] [2021-11-07 01:05:56,036 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-11-07 01:05:56,227 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:05:56,228 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 92 more)] === [2021-11-07 01:05:56,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:05:56,228 INFO L85 PathProgramCache]: Analyzing trace with hash 1356863028, now seen corresponding path program 1 times [2021-11-07 01:05:56,231 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:05:56,231 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [408013263] [2021-11-07 01:05:56,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:05:56,231 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:05:56,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:05:56,232 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:05:56,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 01:05:57,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:05:57,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 814 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:05:57,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:05:57,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:05:57,739 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:05:58,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:05:58,006 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:05:58,006 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [408013263] [2021-11-07 01:05:58,006 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [408013263] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:05:58,007 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:05:58,007 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:05:58,007 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719413621] [2021-11-07 01:05:58,007 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:05:58,007 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:05:58,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:05:58,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:05:58,008 INFO L87 Difference]: Start difference. First operand 1020 states and 1191 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 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) [2021-11-07 01:05:58,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:05:58,124 INFO L93 Difference]: Finished difference Result 1020 states and 1191 transitions. [2021-11-07 01:05:58,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:05:58,124 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 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 35 [2021-11-07 01:05:58,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:05:58,131 INFO L225 Difference]: With dead ends: 1020 [2021-11-07 01:05:58,132 INFO L226 Difference]: Without dead ends: 1016 [2021-11-07 01:05:58,132 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:05:58,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1016 states. [2021-11-07 01:05:58,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1016 to 1016. [2021-11-07 01:05:58,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1016 states, 929 states have (on average 1.2777179763186222) internal successors, (1187), 1015 states have internal predecessors, (1187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:05:58,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1016 states to 1016 states and 1187 transitions. [2021-11-07 01:05:58,205 INFO L78 Accepts]: Start accepts. Automaton has 1016 states and 1187 transitions. Word has length 35 [2021-11-07 01:05:58,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:05:58,206 INFO L470 AbstractCegarLoop]: Abstraction has 1016 states and 1187 transitions. [2021-11-07 01:05:58,206 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 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) [2021-11-07 01:05:58,206 INFO L276 IsEmpty]: Start isEmpty. Operand 1016 states and 1187 transitions. [2021-11-07 01:05:58,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-07 01:05:58,208 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:05:58,208 INFO L513 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] [2021-11-07 01:05:58,247 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-07 01:05:58,423 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:05:58,424 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 92 more)] === [2021-11-07 01:05:58,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:05:58,424 INFO L85 PathProgramCache]: Analyzing trace with hash -1724523112, now seen corresponding path program 1 times [2021-11-07 01:05:58,425 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:05:58,425 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2054286342] [2021-11-07 01:05:58,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:05:58,426 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:05:58,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:05:58,426 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:05:58,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 01:05:59,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:05:59,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 817 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:05:59,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:05:59,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:05:59,885 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:06:00,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:06:00,140 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:06:00,140 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2054286342] [2021-11-07 01:06:00,140 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2054286342] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:06:00,140 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:06:00,141 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:06:00,141 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086357222] [2021-11-07 01:06:00,141 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:06:00,141 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:06:00,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:06:00,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:06:00,142 INFO L87 Difference]: Start difference. First operand 1016 states and 1187 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:06:00,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:06:00,253 INFO L93 Difference]: Finished difference Result 1016 states and 1187 transitions. [2021-11-07 01:06:00,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:06:00,254 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 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 [2021-11-07 01:06:00,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:06:00,261 INFO L225 Difference]: With dead ends: 1016 [2021-11-07 01:06:00,261 INFO L226 Difference]: Without dead ends: 1012 [2021-11-07 01:06:00,262 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:06:00,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1012 states. [2021-11-07 01:06:00,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1012 to 1012. [2021-11-07 01:06:00,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1012 states, 927 states have (on average 1.2761596548004315) internal successors, (1183), 1011 states have internal predecessors, (1183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:06:00,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1012 states to 1012 states and 1183 transitions. [2021-11-07 01:06:00,326 INFO L78 Accepts]: Start accepts. Automaton has 1012 states and 1183 transitions. Word has length 37 [2021-11-07 01:06:00,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:06:00,327 INFO L470 AbstractCegarLoop]: Abstraction has 1012 states and 1183 transitions. [2021-11-07 01:06:00,327 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:06:00,327 INFO L276 IsEmpty]: Start isEmpty. Operand 1012 states and 1183 transitions. [2021-11-07 01:06:00,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-07 01:06:00,328 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:06:00,329 INFO L513 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] [2021-11-07 01:06:00,367 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-07 01:06:00,543 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:06:00,544 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 92 more)] === [2021-11-07 01:06:00,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:06:00,544 INFO L85 PathProgramCache]: Analyzing trace with hash 590830940, now seen corresponding path program 1 times [2021-11-07 01:06:00,545 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:06:00,545 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1412073916] [2021-11-07 01:06:00,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:06:00,546 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:06:00,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:06:00,546 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:06:00,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-07 01:06:01,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:06:01,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 820 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:06:01,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:06:01,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:06:01,977 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:06:02,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:06:02,220 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:06:02,220 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1412073916] [2021-11-07 01:06:02,221 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1412073916] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:06:02,221 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:06:02,221 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:06:02,221 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536935200] [2021-11-07 01:06:02,222 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:06:02,222 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:06:02,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:06:02,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:06:02,223 INFO L87 Difference]: Start difference. First operand 1012 states and 1183 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:06:02,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:06:02,382 INFO L93 Difference]: Finished difference Result 1012 states and 1183 transitions. [2021-11-07 01:06:02,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:06:02,383 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 0 states have call successors, (0), 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 39 [2021-11-07 01:06:02,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:06:02,390 INFO L225 Difference]: With dead ends: 1012 [2021-11-07 01:06:02,391 INFO L226 Difference]: Without dead ends: 1008 [2021-11-07 01:06:02,391 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:06:02,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1008 states. [2021-11-07 01:06:02,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1008 to 1008. [2021-11-07 01:06:02,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1008 states, 925 states have (on average 1.2745945945945947) internal successors, (1179), 1007 states have internal predecessors, (1179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:06:02,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1008 states to 1008 states and 1179 transitions. [2021-11-07 01:06:02,484 INFO L78 Accepts]: Start accepts. Automaton has 1008 states and 1179 transitions. Word has length 39 [2021-11-07 01:06:02,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:06:02,484 INFO L470 AbstractCegarLoop]: Abstraction has 1008 states and 1179 transitions. [2021-11-07 01:06:02,485 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:06:02,485 INFO L276 IsEmpty]: Start isEmpty. Operand 1008 states and 1179 transitions. [2021-11-07 01:06:02,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-07 01:06:02,486 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:06:02,486 INFO L513 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] [2021-11-07 01:06:02,522 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2021-11-07 01:06:02,711 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:06:02,712 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 92 more)] === [2021-11-07 01:06:02,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:06:02,712 INFO L85 PathProgramCache]: Analyzing trace with hash 853015936, now seen corresponding path program 1 times [2021-11-07 01:06:02,714 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:06:02,714 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1147907687] [2021-11-07 01:06:02,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:06:02,714 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:06:02,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:06:02,717 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:06:02,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-07 01:06:03,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:06:03,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 823 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:06:03,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:06:04,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:06:04,243 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:06:04,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:06:04,515 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:06:04,515 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1147907687] [2021-11-07 01:06:04,515 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1147907687] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:06:04,515 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:06:04,516 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:06:04,516 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651381727] [2021-11-07 01:06:04,516 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:06:04,516 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:06:04,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:06:04,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:06:04,518 INFO L87 Difference]: Start difference. First operand 1008 states and 1179 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 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) [2021-11-07 01:06:04,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:06:04,676 INFO L93 Difference]: Finished difference Result 1008 states and 1179 transitions. [2021-11-07 01:06:04,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:06:04,677 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 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 41 [2021-11-07 01:06:04,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:06:04,683 INFO L225 Difference]: With dead ends: 1008 [2021-11-07 01:06:04,684 INFO L226 Difference]: Without dead ends: 1004 [2021-11-07 01:06:04,685 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:06:04,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1004 states. [2021-11-07 01:06:04,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1004 to 1004. [2021-11-07 01:06:04,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1004 states, 923 states have (on average 1.2730227518959913) internal successors, (1175), 1003 states have internal predecessors, (1175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:06:04,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 1004 states and 1175 transitions. [2021-11-07 01:06:04,771 INFO L78 Accepts]: Start accepts. Automaton has 1004 states and 1175 transitions. Word has length 41 [2021-11-07 01:06:04,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:06:04,771 INFO L470 AbstractCegarLoop]: Abstraction has 1004 states and 1175 transitions. [2021-11-07 01:06:04,772 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 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) [2021-11-07 01:06:04,772 INFO L276 IsEmpty]: Start isEmpty. Operand 1004 states and 1175 transitions. [2021-11-07 01:06:04,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-07 01:06:04,774 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:06:04,774 INFO L513 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] [2021-11-07 01:06:04,815 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-07 01:06:04,987 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:06:04,987 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 92 more)] === [2021-11-07 01:06:04,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:06:04,988 INFO L85 PathProgramCache]: Analyzing trace with hash -590273020, now seen corresponding path program 1 times [2021-11-07 01:06:04,989 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:06:04,989 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1175664518] [2021-11-07 01:06:04,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:06:04,989 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:06:04,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:06:04,991 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:06:04,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-07 01:06:06,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:06:06,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 826 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:06:06,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:06:06,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:06:06,498 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:06:06,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:06:06,741 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:06:06,741 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1175664518] [2021-11-07 01:06:06,741 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1175664518] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:06:06,741 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:06:06,741 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:06:06,741 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755803677] [2021-11-07 01:06:06,742 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:06:06,742 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:06:06,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:06:06,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:06:06,742 INFO L87 Difference]: Start difference. First operand 1004 states and 1175 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:06:06,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:06:06,857 INFO L93 Difference]: Finished difference Result 1004 states and 1175 transitions. [2021-11-07 01:06:06,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:06:06,858 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 43 [2021-11-07 01:06:06,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:06:06,864 INFO L225 Difference]: With dead ends: 1004 [2021-11-07 01:06:06,865 INFO L226 Difference]: Without dead ends: 1000 [2021-11-07 01:06:06,865 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:06:06,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1000 states. [2021-11-07 01:06:06,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1000 to 1000. [2021-11-07 01:06:06,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1000 states, 921 states have (on average 1.271444082519001) internal successors, (1171), 999 states have internal predecessors, (1171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:06:06,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1000 states to 1000 states and 1171 transitions. [2021-11-07 01:06:06,936 INFO L78 Accepts]: Start accepts. Automaton has 1000 states and 1171 transitions. Word has length 43 [2021-11-07 01:06:06,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:06:06,937 INFO L470 AbstractCegarLoop]: Abstraction has 1000 states and 1171 transitions. [2021-11-07 01:06:06,937 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:06:06,937 INFO L276 IsEmpty]: Start isEmpty. Operand 1000 states and 1171 transitions. [2021-11-07 01:06:06,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-07 01:06:06,938 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:06:06,938 INFO L513 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] [2021-11-07 01:06:06,970 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (9)] Ended with exit code 0 [2021-11-07 01:06:07,165 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:06:07,165 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 92 more)] === [2021-11-07 01:06:07,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:06:07,166 INFO L85 PathProgramCache]: Analyzing trace with hash -316523769, now seen corresponding path program 1 times [2021-11-07 01:06:07,167 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:06:07,167 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1050951888] [2021-11-07 01:06:07,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:06:07,167 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:06:07,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:06:07,168 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:06:07,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-07 01:06:08,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:06:08,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 829 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:06:08,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:06:08,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:06:08,745 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:06:09,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:06:09,019 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:06:09,019 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1050951888] [2021-11-07 01:06:09,019 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1050951888] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:06:09,019 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:06:09,019 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:06:09,019 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205263312] [2021-11-07 01:06:09,020 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:06:09,020 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:06:09,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:06:09,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:06:09,021 INFO L87 Difference]: Start difference. First operand 1000 states and 1171 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:06:09,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:06:09,147 INFO L93 Difference]: Finished difference Result 1000 states and 1171 transitions. [2021-11-07 01:06:09,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:06:09,148 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 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 45 [2021-11-07 01:06:09,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:06:09,154 INFO L225 Difference]: With dead ends: 1000 [2021-11-07 01:06:09,155 INFO L226 Difference]: Without dead ends: 996 [2021-11-07 01:06:09,156 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:06:09,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 996 states. [2021-11-07 01:06:09,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 996 to 996. [2021-11-07 01:06:09,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 996 states, 919 states have (on average 1.2698585418933623) internal successors, (1167), 995 states have internal predecessors, (1167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:06:09,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 996 states to 996 states and 1167 transitions. [2021-11-07 01:06:09,240 INFO L78 Accepts]: Start accepts. Automaton has 996 states and 1167 transitions. Word has length 45 [2021-11-07 01:06:09,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:06:09,241 INFO L470 AbstractCegarLoop]: Abstraction has 996 states and 1167 transitions. [2021-11-07 01:06:09,241 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:06:09,241 INFO L276 IsEmpty]: Start isEmpty. Operand 996 states and 1167 transitions. [2021-11-07 01:06:09,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-07 01:06:09,242 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:06:09,242 INFO L513 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] [2021-11-07 01:06:09,274 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-07 01:06:09,467 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:06:09,468 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 92 more)] === [2021-11-07 01:06:09,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:06:09,468 INFO L85 PathProgramCache]: Analyzing trace with hash 763502699, now seen corresponding path program 1 times [2021-11-07 01:06:09,469 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:06:09,469 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [174352493] [2021-11-07 01:06:09,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:06:09,470 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:06:09,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:06:09,471 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:06:09,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-07 01:06:10,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:06:10,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 832 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:06:10,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:06:11,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:06:11,049 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:06:11,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:06:11,392 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:06:11,392 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [174352493] [2021-11-07 01:06:11,392 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [174352493] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:06:11,393 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:06:11,393 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:06:11,393 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76496031] [2021-11-07 01:06:11,393 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:06:11,393 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:06:11,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:06:11,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:06:11,394 INFO L87 Difference]: Start difference. First operand 996 states and 1167 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 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) [2021-11-07 01:06:11,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:06:11,524 INFO L93 Difference]: Finished difference Result 996 states and 1167 transitions. [2021-11-07 01:06:11,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:06:11,524 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 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 47 [2021-11-07 01:06:11,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:06:11,531 INFO L225 Difference]: With dead ends: 996 [2021-11-07 01:06:11,531 INFO L226 Difference]: Without dead ends: 992 [2021-11-07 01:06:11,532 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:06:11,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 992 states. [2021-11-07 01:06:11,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 992 to 992. [2021-11-07 01:06:11,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 992 states, 917 states have (on average 1.2682660850599783) internal successors, (1163), 991 states have internal predecessors, (1163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:06:11,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 992 states to 992 states and 1163 transitions. [2021-11-07 01:06:11,621 INFO L78 Accepts]: Start accepts. Automaton has 992 states and 1163 transitions. Word has length 47 [2021-11-07 01:06:11,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:06:11,621 INFO L470 AbstractCegarLoop]: Abstraction has 992 states and 1163 transitions. [2021-11-07 01:06:11,621 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 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) [2021-11-07 01:06:11,622 INFO L276 IsEmpty]: Start isEmpty. Operand 992 states and 1163 transitions. [2021-11-07 01:06:11,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-07 01:06:11,623 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:06:11,623 INFO L513 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] [2021-11-07 01:06:11,661 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-07 01:06:11,839 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:06:11,840 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 92 more)] === [2021-11-07 01:06:11,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:06:11,840 INFO L85 PathProgramCache]: Analyzing trace with hash -713146833, now seen corresponding path program 1 times [2021-11-07 01:06:11,842 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:06:11,842 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1234420149] [2021-11-07 01:06:11,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:06:11,842 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:06:11,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:06:11,844 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:06:11,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-07 01:06:13,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:06:13,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 835 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:06:13,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:06:13,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:06:13,449 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:06:13,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:06:13,718 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:06:13,718 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1234420149] [2021-11-07 01:06:13,718 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1234420149] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:06:13,718 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:06:13,718 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:06:13,718 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115467910] [2021-11-07 01:06:13,719 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:06:13,719 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:06:13,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:06:13,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:06:13,720 INFO L87 Difference]: Start difference. First operand 992 states and 1163 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:06:13,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:06:13,825 INFO L93 Difference]: Finished difference Result 992 states and 1163 transitions. [2021-11-07 01:06:13,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:06:13,826 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 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 [2021-11-07 01:06:13,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:06:13,833 INFO L225 Difference]: With dead ends: 992 [2021-11-07 01:06:13,833 INFO L226 Difference]: Without dead ends: 988 [2021-11-07 01:06:13,834 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:06:13,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 988 states. [2021-11-07 01:06:13,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 988 to 988. [2021-11-07 01:06:13,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 988 states, 915 states have (on average 1.2666666666666666) internal successors, (1159), 987 states have internal predecessors, (1159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:06:13,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 988 states to 988 states and 1159 transitions. [2021-11-07 01:06:13,924 INFO L78 Accepts]: Start accepts. Automaton has 988 states and 1159 transitions. Word has length 49 [2021-11-07 01:06:13,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:06:13,925 INFO L470 AbstractCegarLoop]: Abstraction has 988 states and 1159 transitions. [2021-11-07 01:06:13,925 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:06:13,925 INFO L276 IsEmpty]: Start isEmpty. Operand 988 states and 1159 transitions. [2021-11-07 01:06:13,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-07 01:06:13,926 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:06:13,926 INFO L513 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] [2021-11-07 01:06:13,963 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-11-07 01:06:14,151 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:06:14,152 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 92 more)] === [2021-11-07 01:06:14,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:06:14,152 INFO L85 PathProgramCache]: Analyzing trace with hash 1860828243, now seen corresponding path program 1 times [2021-11-07 01:06:14,153 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:06:14,153 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [802523399] [2021-11-07 01:06:14,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:06:14,153 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:06:14,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:06:14,154 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:06:14,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-07 01:06:15,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:06:15,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 838 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:06:15,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:06:15,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:06:15,662 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:06:15,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:06:15,945 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:06:15,945 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [802523399] [2021-11-07 01:06:15,946 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [802523399] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:06:15,946 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:06:15,946 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:06:15,946 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851985515] [2021-11-07 01:06:15,946 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:06:15,946 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:06:15,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:06:15,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:06:15,947 INFO L87 Difference]: Start difference. First operand 988 states and 1159 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:06:16,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:06:16,066 INFO L93 Difference]: Finished difference Result 988 states and 1159 transitions. [2021-11-07 01:06:16,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:06:16,067 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 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 51 [2021-11-07 01:06:16,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:06:16,073 INFO L225 Difference]: With dead ends: 988 [2021-11-07 01:06:16,073 INFO L226 Difference]: Without dead ends: 984 [2021-11-07 01:06:16,074 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:06:16,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 984 states. [2021-11-07 01:06:16,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 984 to 984. [2021-11-07 01:06:16,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 984 states, 913 states have (on average 1.2650602409638554) internal successors, (1155), 983 states have internal predecessors, (1155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:06:16,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 984 states to 984 states and 1155 transitions. [2021-11-07 01:06:16,162 INFO L78 Accepts]: Start accepts. Automaton has 984 states and 1155 transitions. Word has length 51 [2021-11-07 01:06:16,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:06:16,162 INFO L470 AbstractCegarLoop]: Abstraction has 984 states and 1155 transitions. [2021-11-07 01:06:16,163 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:06:16,163 INFO L276 IsEmpty]: Start isEmpty. Operand 984 states and 1155 transitions. [2021-11-07 01:06:16,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-07 01:06:16,164 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:06:16,164 INFO L513 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] [2021-11-07 01:06:16,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-11-07 01:06:16,379 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:06:16,380 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 92 more)] === [2021-11-07 01:06:16,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:06:16,380 INFO L85 PathProgramCache]: Analyzing trace with hash 1549714135, now seen corresponding path program 1 times [2021-11-07 01:06:16,381 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:06:16,381 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1922987956] [2021-11-07 01:06:16,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:06:16,381 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:06:16,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:06:16,382 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:06:16,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-11-07 01:06:17,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:06:17,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 841 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:06:17,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:06:17,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:06:17,971 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:06:18,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:06:18,248 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:06:18,248 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1922987956] [2021-11-07 01:06:18,248 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1922987956] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:06:18,248 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:06:18,248 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:06:18,248 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453851763] [2021-11-07 01:06:18,249 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:06:18,249 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:06:18,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:06:18,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:06:18,250 INFO L87 Difference]: Start difference. First operand 984 states and 1155 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:06:18,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:06:18,337 INFO L93 Difference]: Finished difference Result 984 states and 1155 transitions. [2021-11-07 01:06:18,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:06:18,338 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 0 states have call successors, (0), 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 53 [2021-11-07 01:06:18,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:06:18,344 INFO L225 Difference]: With dead ends: 984 [2021-11-07 01:06:18,344 INFO L226 Difference]: Without dead ends: 980 [2021-11-07 01:06:18,345 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:06:18,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 980 states. [2021-11-07 01:06:18,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 980 to 980. [2021-11-07 01:06:18,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 980 states, 911 states have (on average 1.2634467618002196) internal successors, (1151), 979 states have internal predecessors, (1151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:06:18,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 980 states to 980 states and 1151 transitions. [2021-11-07 01:06:18,442 INFO L78 Accepts]: Start accepts. Automaton has 980 states and 1151 transitions. Word has length 53 [2021-11-07 01:06:18,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:06:18,442 INFO L470 AbstractCegarLoop]: Abstraction has 980 states and 1151 transitions. [2021-11-07 01:06:18,443 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:06:18,443 INFO L276 IsEmpty]: Start isEmpty. Operand 980 states and 1151 transitions. [2021-11-07 01:06:18,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-07 01:06:18,444 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:06:18,444 INFO L513 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] [2021-11-07 01:06:18,471 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-11-07 01:06:18,655 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:06:18,656 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 92 more)] === [2021-11-07 01:06:18,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:06:18,656 INFO L85 PathProgramCache]: Analyzing trace with hash -675645703, now seen corresponding path program 1 times [2021-11-07 01:06:18,657 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:06:18,657 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1862035602] [2021-11-07 01:06:18,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:06:18,658 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:06:18,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:06:18,658 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:06:18,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-11-07 01:06:20,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:06:20,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 1037 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-07 01:06:20,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:06:20,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:06:20,406 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:06:20,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:06:20,670 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:06:20,670 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1862035602] [2021-11-07 01:06:20,671 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1862035602] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:06:20,671 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:06:20,671 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2021-11-07 01:06:20,671 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451641918] [2021-11-07 01:06:20,671 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-07 01:06:20,672 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:06:20,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-07 01:06:20,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-07 01:06:20,672 INFO L87 Difference]: Start difference. First operand 980 states and 1151 transitions. Second operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 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) [2021-11-07 01:06:21,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:06:21,482 INFO L93 Difference]: Finished difference Result 2580 states and 3029 transitions. [2021-11-07 01:06:21,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:06:21,483 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 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 54 [2021-11-07 01:06:21,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:06:21,493 INFO L225 Difference]: With dead ends: 2580 [2021-11-07 01:06:21,493 INFO L226 Difference]: Without dead ends: 1612 [2021-11-07 01:06:21,501 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-07 01:06:21,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1612 states. [2021-11-07 01:06:21,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1612 to 983. [2021-11-07 01:06:21,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 983 states, 914 states have (on average 1.262582056892779) internal successors, (1154), 982 states have internal predecessors, (1154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:06:21,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 983 states to 983 states and 1154 transitions. [2021-11-07 01:06:21,623 INFO L78 Accepts]: Start accepts. Automaton has 983 states and 1154 transitions. Word has length 54 [2021-11-07 01:06:21,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:06:21,624 INFO L470 AbstractCegarLoop]: Abstraction has 983 states and 1154 transitions. [2021-11-07 01:06:21,624 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 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) [2021-11-07 01:06:21,624 INFO L276 IsEmpty]: Start isEmpty. Operand 983 states and 1154 transitions. [2021-11-07 01:06:21,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-07 01:06:21,625 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:06:21,625 INFO L513 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] [2021-11-07 01:06:21,662 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-11-07 01:06:21,839 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:06:21,840 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 92 more)] === [2021-11-07 01:06:21,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:06:21,840 INFO L85 PathProgramCache]: Analyzing trace with hash 1263516343, now seen corresponding path program 1 times [2021-11-07 01:06:21,842 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:06:21,842 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [392409822] [2021-11-07 01:06:21,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:06:21,842 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:06:21,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:06:21,844 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:06:21,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-11-07 01:06:23,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:06:23,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 1036 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:06:23,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:06:23,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:06:23,790 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:06:24,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:06:24,068 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:06:24,069 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [392409822] [2021-11-07 01:06:24,069 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [392409822] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:06:24,069 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:06:24,069 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-07 01:06:24,069 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712076540] [2021-11-07 01:06:24,069 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:06:24,069 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:06:24,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:06:24,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:06:24,071 INFO L87 Difference]: Start difference. First operand 983 states and 1154 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 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) [2021-11-07 01:06:25,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:06:25,104 INFO L93 Difference]: Finished difference Result 2509 states and 2948 transitions. [2021-11-07 01:06:25,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:06:25,108 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 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 [2021-11-07 01:06:25,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:06:25,117 INFO L225 Difference]: With dead ends: 2509 [2021-11-07 01:06:25,118 INFO L226 Difference]: Without dead ends: 1582 [2021-11-07 01:06:25,122 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 01:06:25,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1582 states. [2021-11-07 01:06:25,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1582 to 983. [2021-11-07 01:06:25,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 983 states, 914 states have (on average 1.2538293216630196) internal successors, (1146), 982 states have internal predecessors, (1146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:06:25,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 983 states to 983 states and 1146 transitions. [2021-11-07 01:06:25,248 INFO L78 Accepts]: Start accepts. Automaton has 983 states and 1146 transitions. Word has length 54 [2021-11-07 01:06:25,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:06:25,248 INFO L470 AbstractCegarLoop]: Abstraction has 983 states and 1146 transitions. [2021-11-07 01:06:25,249 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 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) [2021-11-07 01:06:25,249 INFO L276 IsEmpty]: Start isEmpty. Operand 983 states and 1146 transitions. [2021-11-07 01:06:25,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-07 01:06:25,249 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:06:25,250 INFO L513 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] [2021-11-07 01:06:25,282 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-11-07 01:06:25,471 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:06:25,472 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 92 more)] === [2021-11-07 01:06:25,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:06:25,472 INFO L85 PathProgramCache]: Analyzing trace with hash 1263575925, now seen corresponding path program 1 times [2021-11-07 01:06:25,474 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:06:25,474 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1227245313] [2021-11-07 01:06:25,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:06:25,474 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:06:25,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:06:25,476 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:06:25,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-11-07 01:06:27,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:06:27,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 1036 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:06:27,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:06:27,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:06:27,289 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:06:27,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:06:27,414 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:06:27,414 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1227245313] [2021-11-07 01:06:27,414 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1227245313] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:06:27,414 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:06:27,414 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-07 01:06:27,414 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089557620] [2021-11-07 01:06:27,415 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 01:06:27,415 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:06:27,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 01:06:27,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:06:27,416 INFO L87 Difference]: Start difference. First operand 983 states and 1146 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 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) [2021-11-07 01:06:28,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:06:28,994 INFO L93 Difference]: Finished difference Result 1588 states and 1853 transitions. [2021-11-07 01:06:28,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:06:28,994 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 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 54 [2021-11-07 01:06:28,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:06:29,004 INFO L225 Difference]: With dead ends: 1588 [2021-11-07 01:06:29,004 INFO L226 Difference]: Without dead ends: 1572 [2021-11-07 01:06:29,005 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 01:06:29,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1572 states. [2021-11-07 01:06:29,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1572 to 967. [2021-11-07 01:06:29,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 967 states, 906 states have (on average 1.2472406181015452) internal successors, (1130), 966 states have internal predecessors, (1130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:06:29,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 967 states to 967 states and 1130 transitions. [2021-11-07 01:06:29,146 INFO L78 Accepts]: Start accepts. Automaton has 967 states and 1130 transitions. Word has length 54 [2021-11-07 01:06:29,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:06:29,146 INFO L470 AbstractCegarLoop]: Abstraction has 967 states and 1130 transitions. [2021-11-07 01:06:29,146 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 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) [2021-11-07 01:06:29,147 INFO L276 IsEmpty]: Start isEmpty. Operand 967 states and 1130 transitions. [2021-11-07 01:06:29,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-07 01:06:29,147 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:06:29,148 INFO L513 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] [2021-11-07 01:06:29,183 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2021-11-07 01:06:29,363 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:06:29,364 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 92 more)] === [2021-11-07 01:06:29,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:06:29,364 INFO L85 PathProgramCache]: Analyzing trace with hash -1078199877, now seen corresponding path program 1 times [2021-11-07 01:06:29,366 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:06:29,366 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2102779431] [2021-11-07 01:06:29,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:06:29,366 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:06:29,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:06:29,368 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:06:29,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-11-07 01:06:30,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:06:30,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 844 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:06:30,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:06:31,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:06:31,119 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:06:31,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:06:31,472 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:06:31,473 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2102779431] [2021-11-07 01:06:31,473 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2102779431] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:06:31,473 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:06:31,473 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:06:31,473 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48907866] [2021-11-07 01:06:31,474 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:06:31,474 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:06:31,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:06:31,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:06:31,475 INFO L87 Difference]: Start difference. First operand 967 states and 1130 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 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) [2021-11-07 01:06:31,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:06:31,581 INFO L93 Difference]: Finished difference Result 967 states and 1130 transitions. [2021-11-07 01:06:31,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:06:31,581 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 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 55 [2021-11-07 01:06:31,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:06:31,586 INFO L225 Difference]: With dead ends: 967 [2021-11-07 01:06:31,586 INFO L226 Difference]: Without dead ends: 963 [2021-11-07 01:06:31,587 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:06:31,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2021-11-07 01:06:31,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 963. [2021-11-07 01:06:31,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 963 states, 904 states have (on average 1.2455752212389382) internal successors, (1126), 962 states have internal predecessors, (1126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:06:31,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 963 states and 1126 transitions. [2021-11-07 01:06:31,708 INFO L78 Accepts]: Start accepts. Automaton has 963 states and 1126 transitions. Word has length 55 [2021-11-07 01:06:31,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:06:31,709 INFO L470 AbstractCegarLoop]: Abstraction has 963 states and 1126 transitions. [2021-11-07 01:06:31,709 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 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) [2021-11-07 01:06:31,709 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1126 transitions. [2021-11-07 01:06:31,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-07 01:06:31,710 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:06:31,710 INFO L513 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] [2021-11-07 01:06:31,744 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2021-11-07 01:06:31,936 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:06:31,936 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 92 more)] === [2021-11-07 01:06:31,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:06:31,937 INFO L85 PathProgramCache]: Analyzing trace with hash -1062795009, now seen corresponding path program 1 times [2021-11-07 01:06:31,938 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:06:31,938 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [614731256] [2021-11-07 01:06:31,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:06:31,938 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:06:31,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:06:31,939 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:06:31,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2021-11-07 01:06:33,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:06:33,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 847 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:06:33,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:06:33,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:06:33,721 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:06:34,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:06:34,432 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:06:34,432 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [614731256] [2021-11-07 01:06:34,432 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [614731256] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:06:34,432 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:06:34,432 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-11-07 01:06:34,432 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341560791] [2021-11-07 01:06:34,433 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 01:06:34,433 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:06:34,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 01:06:34,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:06:34,434 INFO L87 Difference]: Start difference. First operand 963 states and 1126 transitions. Second operand has 6 states, 6 states have (on average 18.833333333333332) internal successors, (113), 5 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:06:34,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:06:34,568 INFO L93 Difference]: Finished difference Result 963 states and 1126 transitions. [2021-11-07 01:06:34,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:06:34,569 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.833333333333332) internal successors, (113), 5 states have internal predecessors, (113), 0 states have call successors, (0), 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 [2021-11-07 01:06:34,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:06:34,574 INFO L225 Difference]: With dead ends: 963 [2021-11-07 01:06:34,575 INFO L226 Difference]: Without dead ends: 959 [2021-11-07 01:06:34,576 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 01:06:34,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 959 states. [2021-11-07 01:06:34,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 959 to 959. [2021-11-07 01:06:34,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 959 states, 902 states have (on average 1.2439024390243902) internal successors, (1122), 958 states have internal predecessors, (1122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:06:34,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 959 states to 959 states and 1122 transitions. [2021-11-07 01:06:34,718 INFO L78 Accepts]: Start accepts. Automaton has 959 states and 1122 transitions. Word has length 57 [2021-11-07 01:06:34,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:06:34,718 INFO L470 AbstractCegarLoop]: Abstraction has 959 states and 1122 transitions. [2021-11-07 01:06:34,719 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.833333333333332) internal successors, (113), 5 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:06:34,719 INFO L276 IsEmpty]: Start isEmpty. Operand 959 states and 1122 transitions. [2021-11-07 01:06:34,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-07 01:06:34,720 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:06:34,720 INFO L513 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] [2021-11-07 01:06:34,754 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2021-11-07 01:06:34,935 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:06:34,936 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 92 more)] === [2021-11-07 01:06:34,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:06:34,936 INFO L85 PathProgramCache]: Analyzing trace with hash 2101083968, now seen corresponding path program 1 times [2021-11-07 01:06:34,937 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:06:34,937 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [582571552] [2021-11-07 01:06:34,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:06:34,938 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:06:34,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:06:34,939 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:06:34,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-11-07 01:06:36,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:06:36,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 1042 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:06:36,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:06:37,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:06:37,009 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:06:37,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:06:37,302 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:06:37,302 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [582571552] [2021-11-07 01:06:37,303 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [582571552] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:06:37,303 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:06:37,303 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-11-07 01:06:37,303 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220080526] [2021-11-07 01:06:37,303 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:06:37,304 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:06:37,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:06:37,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:06:37,305 INFO L87 Difference]: Start difference. First operand 959 states and 1122 transitions. Second operand has 4 states, 4 states have (on average 28.0) internal successors, (112), 3 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:06:37,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:06:37,419 INFO L93 Difference]: Finished difference Result 1834 states and 2155 transitions. [2021-11-07 01:06:37,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:06:37,419 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.0) internal successors, (112), 3 states have internal predecessors, (112), 0 states have call successors, (0), 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 [2021-11-07 01:06:37,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:06:37,423 INFO L225 Difference]: With dead ends: 1834 [2021-11-07 01:06:37,423 INFO L226 Difference]: Without dead ends: 935 [2021-11-07 01:06:37,425 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:06:37,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 935 states. [2021-11-07 01:06:37,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 935 to 935. [2021-11-07 01:06:37,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 935 states, 886 states have (on average 1.2302483069977426) internal successors, (1090), 934 states have internal predecessors, (1090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:06:37,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 935 states and 1090 transitions. [2021-11-07 01:06:37,543 INFO L78 Accepts]: Start accepts. Automaton has 935 states and 1090 transitions. Word has length 57 [2021-11-07 01:06:37,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:06:37,544 INFO L470 AbstractCegarLoop]: Abstraction has 935 states and 1090 transitions. [2021-11-07 01:06:37,544 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.0) internal successors, (112), 3 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:06:37,544 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1090 transitions. [2021-11-07 01:06:37,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-07 01:06:37,545 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:06:37,545 INFO L513 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] [2021-11-07 01:06:37,587 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2021-11-07 01:06:37,759 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:06:37,760 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 92 more)] === [2021-11-07 01:06:37,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:06:37,760 INFO L85 PathProgramCache]: Analyzing trace with hash 856381603, now seen corresponding path program 1 times [2021-11-07 01:06:37,761 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:06:37,761 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1764579321] [2021-11-07 01:06:37,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:06:37,761 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:06:37,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:06:37,762 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:06:37,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2021-11-07 01:06:39,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:06:39,190 INFO L263 TraceCheckSpWp]: Trace formula consists of 850 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:06:39,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:06:39,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:06:39,519 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:06:39,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:06:39,844 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:06:39,844 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1764579321] [2021-11-07 01:06:39,844 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1764579321] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:06:39,844 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:06:39,844 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:06:39,844 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43195955] [2021-11-07 01:06:39,845 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:06:39,845 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:06:39,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:06:39,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:06:39,846 INFO L87 Difference]: Start difference. First operand 935 states and 1090 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 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) [2021-11-07 01:06:39,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:06:39,979 INFO L93 Difference]: Finished difference Result 935 states and 1090 transitions. [2021-11-07 01:06:39,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:06:39,980 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 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 59 [2021-11-07 01:06:39,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:06:39,984 INFO L225 Difference]: With dead ends: 935 [2021-11-07 01:06:39,984 INFO L226 Difference]: Without dead ends: 931 [2021-11-07 01:06:39,984 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 112 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:06:39,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 931 states. [2021-11-07 01:06:40,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 931 to 931. [2021-11-07 01:06:40,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 931 states, 884 states have (on average 1.2285067873303168) internal successors, (1086), 930 states have internal predecessors, (1086), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:06:40,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 931 states to 931 states and 1086 transitions. [2021-11-07 01:06:40,128 INFO L78 Accepts]: Start accepts. Automaton has 931 states and 1086 transitions. Word has length 59 [2021-11-07 01:06:40,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:06:40,128 INFO L470 AbstractCegarLoop]: Abstraction has 931 states and 1086 transitions. [2021-11-07 01:06:40,129 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 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) [2021-11-07 01:06:40,129 INFO L276 IsEmpty]: Start isEmpty. Operand 931 states and 1086 transitions. [2021-11-07 01:06:40,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-07 01:06:40,130 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:06:40,130 INFO L513 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] [2021-11-07 01:06:40,165 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2021-11-07 01:06:40,351 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:06:40,352 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 92 more)] === [2021-11-07 01:06:40,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:06:40,352 INFO L85 PathProgramCache]: Analyzing trace with hash 2077345727, now seen corresponding path program 1 times [2021-11-07 01:06:40,353 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:06:40,354 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1628505480] [2021-11-07 01:06:40,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:06:40,354 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:06:40,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:06:40,355 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:06:40,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2021-11-07 01:06:41,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:06:41,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 979 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-07 01:06:41,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:06:42,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:06:42,522 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:06:43,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:06:43,549 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:06:43,549 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1628505480] [2021-11-07 01:06:43,549 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1628505480] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:06:43,549 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:06:43,549 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15, 15] imperfect sequences [] total 27 [2021-11-07 01:06:43,550 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262691160] [2021-11-07 01:06:43,550 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2021-11-07 01:06:43,550 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:06:43,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-11-07 01:06:43,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=639, Unknown=0, NotChecked=0, Total=702 [2021-11-07 01:06:43,551 INFO L87 Difference]: Start difference. First operand 931 states and 1086 transitions. Second operand has 27 states, 27 states have (on average 2.925925925925926) internal successors, (79), 27 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) [2021-11-07 01:06:45,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:06:45,228 INFO L93 Difference]: Finished difference Result 1538 states and 1797 transitions. [2021-11-07 01:06:45,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-07 01:06:45,229 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 2.925925925925926) internal successors, (79), 27 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 60 [2021-11-07 01:06:45,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:06:45,234 INFO L225 Difference]: With dead ends: 1538 [2021-11-07 01:06:45,234 INFO L226 Difference]: Without dead ends: 999 [2021-11-07 01:06:45,236 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=305, Invalid=1101, Unknown=0, NotChecked=0, Total=1406 [2021-11-07 01:06:45,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 999 states. [2021-11-07 01:06:45,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 999 to 946. [2021-11-07 01:06:45,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 946 states, 899 states have (on average 1.224694104560623) internal successors, (1101), 945 states have internal predecessors, (1101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:06:45,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 946 states to 946 states and 1101 transitions. [2021-11-07 01:06:45,369 INFO L78 Accepts]: Start accepts. Automaton has 946 states and 1101 transitions. Word has length 60 [2021-11-07 01:06:45,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:06:45,369 INFO L470 AbstractCegarLoop]: Abstraction has 946 states and 1101 transitions. [2021-11-07 01:06:45,369 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 2.925925925925926) internal successors, (79), 27 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) [2021-11-07 01:06:45,370 INFO L276 IsEmpty]: Start isEmpty. Operand 946 states and 1101 transitions. [2021-11-07 01:06:45,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-07 01:06:45,371 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:06:45,371 INFO L513 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] [2021-11-07 01:06:45,405 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2021-11-07 01:06:45,595 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:06:45,596 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 92 more)] === [2021-11-07 01:06:45,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:06:45,596 INFO L85 PathProgramCache]: Analyzing trace with hash -1341602563, now seen corresponding path program 1 times [2021-11-07 01:06:45,597 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:06:45,597 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1302543538] [2021-11-07 01:06:45,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:06:45,598 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:06:45,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:06:45,599 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:06:45,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2021-11-07 01:06:47,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:06:47,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 978 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:06:47,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:06:47,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:06:47,402 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:06:47,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:06:47,613 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:06:47,613 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1302543538] [2021-11-07 01:06:47,613 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1302543538] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:06:47,614 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:06:47,614 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-07 01:06:47,614 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784982494] [2021-11-07 01:06:47,614 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:06:47,615 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:06:47,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:06:47,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:06:47,616 INFO L87 Difference]: Start difference. First operand 946 states and 1101 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 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) [2021-11-07 01:06:48,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:06:48,242 INFO L93 Difference]: Finished difference Result 1604 states and 1862 transitions. [2021-11-07 01:06:48,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:06:48,243 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 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 [2021-11-07 01:06:48,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:06:48,249 INFO L225 Difference]: With dead ends: 1604 [2021-11-07 01:06:48,250 INFO L226 Difference]: Without dead ends: 997 [2021-11-07 01:06:48,251 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 01:06:48,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 997 states. [2021-11-07 01:06:48,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 997 to 944. [2021-11-07 01:06:48,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 944 states, 897 states have (on average 1.2240802675585285) internal successors, (1098), 943 states have internal predecessors, (1098), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:06:48,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 944 states to 944 states and 1098 transitions. [2021-11-07 01:06:48,375 INFO L78 Accepts]: Start accepts. Automaton has 944 states and 1098 transitions. Word has length 60 [2021-11-07 01:06:48,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:06:48,376 INFO L470 AbstractCegarLoop]: Abstraction has 944 states and 1098 transitions. [2021-11-07 01:06:48,376 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 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) [2021-11-07 01:06:48,376 INFO L276 IsEmpty]: Start isEmpty. Operand 944 states and 1098 transitions. [2021-11-07 01:06:48,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-07 01:06:48,376 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:06:48,376 INFO L513 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] [2021-11-07 01:06:48,398 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (23)] Forceful destruction successful, exit code 0 [2021-11-07 01:06:48,577 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:06:48,577 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 92 more)] === [2021-11-07 01:06:48,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:06:48,577 INFO L85 PathProgramCache]: Analyzing trace with hash -1650831193, now seen corresponding path program 1 times [2021-11-07 01:06:48,578 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:06:48,578 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [955217327] [2021-11-07 01:06:48,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:06:48,579 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:06:48,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:06:48,579 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:06:48,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2021-11-07 01:06:50,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:06:50,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 853 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:06:50,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:06:50,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:06:50,436 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:06:50,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:06:50,752 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:06:50,752 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [955217327] [2021-11-07 01:06:50,752 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [955217327] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:06:50,753 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:06:50,753 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:06:50,753 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870741996] [2021-11-07 01:06:50,753 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:06:50,753 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:06:50,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:06:50,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:06:50,754 INFO L87 Difference]: Start difference. First operand 944 states and 1098 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 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) [2021-11-07 01:06:50,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:06:50,877 INFO L93 Difference]: Finished difference Result 944 states and 1098 transitions. [2021-11-07 01:06:50,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:06:50,878 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 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 61 [2021-11-07 01:06:50,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:06:50,882 INFO L225 Difference]: With dead ends: 944 [2021-11-07 01:06:50,882 INFO L226 Difference]: Without dead ends: 940 [2021-11-07 01:06:50,882 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:06:50,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 940 states. [2021-11-07 01:06:51,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 940 to 940. [2021-11-07 01:06:51,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 940 states, 895 states have (on average 1.2223463687150837) internal successors, (1094), 939 states have internal predecessors, (1094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:06:51,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 940 states to 940 states and 1094 transitions. [2021-11-07 01:06:51,008 INFO L78 Accepts]: Start accepts. Automaton has 940 states and 1094 transitions. Word has length 61 [2021-11-07 01:06:51,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:06:51,008 INFO L470 AbstractCegarLoop]: Abstraction has 940 states and 1094 transitions. [2021-11-07 01:06:51,008 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 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) [2021-11-07 01:06:51,008 INFO L276 IsEmpty]: Start isEmpty. Operand 940 states and 1094 transitions. [2021-11-07 01:06:51,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-07 01:06:51,009 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:06:51,009 INFO L513 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] [2021-11-07 01:06:51,029 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (24)] Forceful destruction successful, exit code 0 [2021-11-07 01:06:51,209 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:06:51,209 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 92 more)] === [2021-11-07 01:06:51,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:06:51,210 INFO L85 PathProgramCache]: Analyzing trace with hash -1605674741, now seen corresponding path program 1 times [2021-11-07 01:06:51,211 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:06:51,211 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [993284901] [2021-11-07 01:06:51,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:06:51,211 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:06:51,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:06:51,212 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:06:51,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2021-11-07 01:06:52,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:06:52,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 856 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:06:52,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:06:53,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:06:53,329 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:06:53,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:06:53,692 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:06:53,692 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [993284901] [2021-11-07 01:06:53,692 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [993284901] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:06:53,692 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:06:53,692 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:06:53,693 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248828321] [2021-11-07 01:06:53,693 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:06:53,693 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:06:53,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:06:53,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:06:53,694 INFO L87 Difference]: Start difference. First operand 940 states and 1094 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:06:53,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:06:53,832 INFO L93 Difference]: Finished difference Result 940 states and 1094 transitions. [2021-11-07 01:06:53,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:06:53,832 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 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 [2021-11-07 01:06:53,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:06:53,837 INFO L225 Difference]: With dead ends: 940 [2021-11-07 01:06:53,837 INFO L226 Difference]: Without dead ends: 936 [2021-11-07 01:06:53,838 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:06:53,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 936 states. [2021-11-07 01:06:53,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 936 to 936. [2021-11-07 01:06:53,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 936 states, 893 states have (on average 1.2206047032474805) internal successors, (1090), 935 states have internal predecessors, (1090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:06:53,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 936 states and 1090 transitions. [2021-11-07 01:06:53,961 INFO L78 Accepts]: Start accepts. Automaton has 936 states and 1090 transitions. Word has length 63 [2021-11-07 01:06:53,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:06:53,961 INFO L470 AbstractCegarLoop]: Abstraction has 936 states and 1090 transitions. [2021-11-07 01:06:53,961 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:06:53,962 INFO L276 IsEmpty]: Start isEmpty. Operand 936 states and 1090 transitions. [2021-11-07 01:06:53,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-07 01:06:53,962 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:06:53,963 INFO L513 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] [2021-11-07 01:06:53,989 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (25)] Forceful destruction successful, exit code 0 [2021-11-07 01:06:54,171 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:06:54,171 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 92 more)] === [2021-11-07 01:06:54,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:06:54,172 INFO L85 PathProgramCache]: Analyzing trace with hash -1159996977, now seen corresponding path program 1 times [2021-11-07 01:06:54,173 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:06:54,173 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [923348506] [2021-11-07 01:06:54,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:06:54,173 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:06:54,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:06:54,174 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:06:54,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2021-11-07 01:06:55,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:06:55,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 859 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:06:55,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:06:56,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:06:56,316 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:06:56,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:06:56,736 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:06:56,736 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [923348506] [2021-11-07 01:06:56,736 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [923348506] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:06:56,736 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:06:56,736 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:06:56,736 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843418674] [2021-11-07 01:06:56,737 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:06:56,737 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:06:56,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:06:56,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:06:56,738 INFO L87 Difference]: Start difference. First operand 936 states and 1090 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:06:56,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:06:56,871 INFO L93 Difference]: Finished difference Result 936 states and 1090 transitions. [2021-11-07 01:06:56,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:06:56,872 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 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 65 [2021-11-07 01:06:56,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:06:56,877 INFO L225 Difference]: With dead ends: 936 [2021-11-07 01:06:56,877 INFO L226 Difference]: Without dead ends: 932 [2021-11-07 01:06:56,878 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:06:56,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 932 states. [2021-11-07 01:06:57,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 932 to 932. [2021-11-07 01:06:57,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 932 states, 891 states have (on average 1.2188552188552189) internal successors, (1086), 931 states have internal predecessors, (1086), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:06:57,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 932 states to 932 states and 1086 transitions. [2021-11-07 01:06:57,088 INFO L78 Accepts]: Start accepts. Automaton has 932 states and 1086 transitions. Word has length 65 [2021-11-07 01:06:57,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:06:57,088 INFO L470 AbstractCegarLoop]: Abstraction has 932 states and 1086 transitions. [2021-11-07 01:06:57,089 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:06:57,089 INFO L276 IsEmpty]: Start isEmpty. Operand 932 states and 1086 transitions. [2021-11-07 01:06:57,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-07 01:06:57,090 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:06:57,090 INFO L513 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] [2021-11-07 01:06:57,119 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (26)] Forceful destruction successful, exit code 0 [2021-11-07 01:06:57,311 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:06:57,312 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 92 more)] === [2021-11-07 01:06:57,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:06:57,312 INFO L85 PathProgramCache]: Analyzing trace with hash 1934572275, now seen corresponding path program 1 times [2021-11-07 01:06:57,313 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:06:57,313 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [876955010] [2021-11-07 01:06:57,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:06:57,313 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:06:57,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:06:57,314 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:06:57,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2021-11-07 01:06:58,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:06:58,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 862 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:06:58,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:06:59,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:06:59,270 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:06:59,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:06:59,615 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:06:59,615 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [876955010] [2021-11-07 01:06:59,615 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [876955010] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:06:59,615 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:06:59,615 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:06:59,615 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994073963] [2021-11-07 01:06:59,616 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:06:59,616 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:06:59,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:06:59,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:06:59,617 INFO L87 Difference]: Start difference. First operand 932 states and 1086 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 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) [2021-11-07 01:06:59,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:06:59,750 INFO L93 Difference]: Finished difference Result 932 states and 1086 transitions. [2021-11-07 01:06:59,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:06:59,751 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 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 67 [2021-11-07 01:06:59,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:06:59,756 INFO L225 Difference]: With dead ends: 932 [2021-11-07 01:06:59,756 INFO L226 Difference]: Without dead ends: 928 [2021-11-07 01:06:59,757 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:06:59,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 928 states. [2021-11-07 01:06:59,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 928 to 928. [2021-11-07 01:06:59,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 928 states, 889 states have (on average 1.217097862767154) internal successors, (1082), 927 states have internal predecessors, (1082), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:06:59,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 928 states to 928 states and 1082 transitions. [2021-11-07 01:06:59,913 INFO L78 Accepts]: Start accepts. Automaton has 928 states and 1082 transitions. Word has length 67 [2021-11-07 01:06:59,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:06:59,914 INFO L470 AbstractCegarLoop]: Abstraction has 928 states and 1082 transitions. [2021-11-07 01:06:59,914 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 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) [2021-11-07 01:06:59,914 INFO L276 IsEmpty]: Start isEmpty. Operand 928 states and 1082 transitions. [2021-11-07 01:06:59,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-07 01:06:59,915 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:06:59,915 INFO L513 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] [2021-11-07 01:06:59,940 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (27)] Forceful destruction successful, exit code 0 [2021-11-07 01:07:00,119 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:07:00,119 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 92 more)] === [2021-11-07 01:07:00,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:07:00,119 INFO L85 PathProgramCache]: Analyzing trace with hash 1501423891, now seen corresponding path program 1 times [2021-11-07 01:07:00,121 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:07:00,121 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [859258025] [2021-11-07 01:07:00,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:07:00,121 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:07:00,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:07:00,122 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:07:00,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2021-11-07 01:07:02,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:07:02,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 1072 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:07:02,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:07:02,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:07:02,352 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:07:02,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:07:02,557 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:07:02,557 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [859258025] [2021-11-07 01:07:02,557 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [859258025] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:07:02,557 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:07:02,557 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:07:02,558 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048755656] [2021-11-07 01:07:02,558 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:07:02,558 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:07:02,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:07:02,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:07:02,559 INFO L87 Difference]: Start difference. First operand 928 states and 1082 transitions. Second operand has 4 states, 4 states have (on average 22.25) internal successors, (89), 4 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) [2021-11-07 01:07:02,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:07:02,823 INFO L93 Difference]: Finished difference Result 1614 states and 1888 transitions. [2021-11-07 01:07:02,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:07:02,824 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 4 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 68 [2021-11-07 01:07:02,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:07:02,829 INFO L225 Difference]: With dead ends: 1614 [2021-11-07 01:07:02,829 INFO L226 Difference]: Without dead ends: 925 [2021-11-07 01:07:02,830 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:07:02,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 925 states. [2021-11-07 01:07:02,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 925 to 925. [2021-11-07 01:07:02,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 925 states, 887 states have (on average 1.2153325817361893) internal successors, (1078), 924 states have internal predecessors, (1078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:07:02,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 925 states and 1078 transitions. [2021-11-07 01:07:02,953 INFO L78 Accepts]: Start accepts. Automaton has 925 states and 1078 transitions. Word has length 68 [2021-11-07 01:07:02,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:07:02,954 INFO L470 AbstractCegarLoop]: Abstraction has 925 states and 1078 transitions. [2021-11-07 01:07:02,954 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 4 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) [2021-11-07 01:07:02,954 INFO L276 IsEmpty]: Start isEmpty. Operand 925 states and 1078 transitions. [2021-11-07 01:07:02,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-07 01:07:02,954 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:07:02,954 INFO L513 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] [2021-11-07 01:07:02,979 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (28)] Forceful destruction successful, exit code 0 [2021-11-07 01:07:03,155 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:07:03,155 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 92 more)] === [2021-11-07 01:07:03,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:07:03,155 INFO L85 PathProgramCache]: Analyzing trace with hash -596712329, now seen corresponding path program 1 times [2021-11-07 01:07:03,156 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:07:03,157 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [154316310] [2021-11-07 01:07:03,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:07:03,157 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:07:03,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:07:03,159 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:07:03,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (29)] Waiting until timeout for monitored process [2021-11-07 01:07:04,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:07:04,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 865 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:07:04,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:07:05,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:07:05,365 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:07:05,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:07:05,723 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:07:05,724 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [154316310] [2021-11-07 01:07:05,724 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [154316310] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:07:05,724 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:07:05,724 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:07:05,724 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152739360] [2021-11-07 01:07:05,724 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:07:05,724 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:07:05,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:07:05,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:07:05,725 INFO L87 Difference]: Start difference. First operand 925 states and 1078 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:07:06,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:07:06,376 INFO L93 Difference]: Finished difference Result 1704 states and 1994 transitions. [2021-11-07 01:07:06,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:07:06,377 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 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 [2021-11-07 01:07:06,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:07:06,382 INFO L225 Difference]: With dead ends: 1704 [2021-11-07 01:07:06,383 INFO L226 Difference]: Without dead ends: 1594 [2021-11-07 01:07:06,384 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:07:06,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1594 states. [2021-11-07 01:07:06,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1594 to 1510. [2021-11-07 01:07:06,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1510 states, 1472 states have (on average 1.2418478260869565) internal successors, (1828), 1509 states have internal predecessors, (1828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:07:06,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1510 states to 1510 states and 1828 transitions. [2021-11-07 01:07:06,608 INFO L78 Accepts]: Start accepts. Automaton has 1510 states and 1828 transitions. Word has length 69 [2021-11-07 01:07:06,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:07:06,608 INFO L470 AbstractCegarLoop]: Abstraction has 1510 states and 1828 transitions. [2021-11-07 01:07:06,608 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:07:06,608 INFO L276 IsEmpty]: Start isEmpty. Operand 1510 states and 1828 transitions. [2021-11-07 01:07:06,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-07 01:07:06,609 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:07:06,609 INFO L513 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] [2021-11-07 01:07:06,631 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (29)] Forceful destruction successful, exit code 0 [2021-11-07 01:07:06,811 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:07:06,812 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 92 more)] === [2021-11-07 01:07:06,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:07:06,812 INFO L85 PathProgramCache]: Analyzing trace with hash 1455051901, now seen corresponding path program 1 times [2021-11-07 01:07:06,813 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:07:06,813 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1905546832] [2021-11-07 01:07:06,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:07:06,814 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:07:06,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:07:06,815 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:07:06,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (30)] Waiting until timeout for monitored process [2021-11-07 01:07:08,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:07:08,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 1076 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:07:08,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:07:09,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:07:09,066 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:07:09,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:07:09,279 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:07:09,279 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1905546832] [2021-11-07 01:07:09,279 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1905546832] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:07:09,279 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:07:09,279 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:07:09,279 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577793520] [2021-11-07 01:07:09,280 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:07:09,280 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:07:09,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:07:09,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:07:09,281 INFO L87 Difference]: Start difference. First operand 1510 states and 1828 transitions. Second operand has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:07:09,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:07:09,700 INFO L93 Difference]: Finished difference Result 2704 states and 3288 transitions. [2021-11-07 01:07:09,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:07:09,700 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 0 states have call successors, (0), 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 71 [2021-11-07 01:07:09,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:07:09,704 INFO L225 Difference]: With dead ends: 2704 [2021-11-07 01:07:09,704 INFO L226 Difference]: Without dead ends: 1506 [2021-11-07 01:07:09,706 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:07:09,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1506 states. [2021-11-07 01:07:09,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1506 to 1506. [2021-11-07 01:07:09,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1506 states, 1469 states have (on average 1.2396187882913547) internal successors, (1821), 1505 states have internal predecessors, (1821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:07:09,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1506 states to 1506 states and 1821 transitions. [2021-11-07 01:07:09,877 INFO L78 Accepts]: Start accepts. Automaton has 1506 states and 1821 transitions. Word has length 71 [2021-11-07 01:07:09,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:07:09,878 INFO L470 AbstractCegarLoop]: Abstraction has 1506 states and 1821 transitions. [2021-11-07 01:07:09,878 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:07:09,878 INFO L276 IsEmpty]: Start isEmpty. Operand 1506 states and 1821 transitions. [2021-11-07 01:07:09,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-07 01:07:09,878 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:07:09,878 INFO L513 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] [2021-11-07 01:07:09,903 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (30)] Forceful destruction successful, exit code 0 [2021-11-07 01:07:10,079 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:07:10,079 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 92 more)] === [2021-11-07 01:07:10,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:07:10,079 INFO L85 PathProgramCache]: Analyzing trace with hash -1858370083, now seen corresponding path program 1 times [2021-11-07 01:07:10,081 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:07:10,081 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1244540474] [2021-11-07 01:07:10,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:07:10,081 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:07:10,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:07:10,082 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:07:10,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (31)] Waiting until timeout for monitored process [2021-11-07 01:07:12,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:07:12,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 1171 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-07 01:07:12,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:07:12,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:07:12,727 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:07:13,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:07:13,061 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:07:13,061 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1244540474] [2021-11-07 01:07:13,061 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1244540474] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:07:13,061 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:07:13,062 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-11-07 01:07:13,062 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334051934] [2021-11-07 01:07:13,062 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-07 01:07:13,062 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:07:13,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-07 01:07:13,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-07 01:07:13,063 INFO L87 Difference]: Start difference. First operand 1506 states and 1821 transitions. Second operand has 10 states, 10 states have (on average 8.1) internal successors, (81), 10 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) [2021-11-07 01:07:25,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:07:25,192 INFO L93 Difference]: Finished difference Result 11046 states and 13511 transitions. [2021-11-07 01:07:25,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 01:07:25,194 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.1) internal successors, (81), 10 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 76 [2021-11-07 01:07:25,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:07:25,214 INFO L225 Difference]: With dead ends: 11046 [2021-11-07 01:07:25,214 INFO L226 Difference]: Without dead ends: 9607 [2021-11-07 01:07:25,219 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=92, Invalid=214, Unknown=0, NotChecked=0, Total=306 [2021-11-07 01:07:25,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9607 states. [2021-11-07 01:07:25,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9607 to 1510. [2021-11-07 01:07:25,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1510 states, 1473 states have (on average 1.238968092328581) internal successors, (1825), 1509 states have internal predecessors, (1825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:07:25,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1510 states to 1510 states and 1825 transitions. [2021-11-07 01:07:25,614 INFO L78 Accepts]: Start accepts. Automaton has 1510 states and 1825 transitions. Word has length 76 [2021-11-07 01:07:25,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:07:25,614 INFO L470 AbstractCegarLoop]: Abstraction has 1510 states and 1825 transitions. [2021-11-07 01:07:25,614 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.1) internal successors, (81), 10 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) [2021-11-07 01:07:25,614 INFO L276 IsEmpty]: Start isEmpty. Operand 1510 states and 1825 transitions. [2021-11-07 01:07:25,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-07 01:07:25,615 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:07:25,615 INFO L513 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] [2021-11-07 01:07:25,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (31)] Forceful destruction successful, exit code 0 [2021-11-07 01:07:25,816 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:07:25,816 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 92 more)] === [2021-11-07 01:07:25,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:07:25,817 INFO L85 PathProgramCache]: Analyzing trace with hash 2125252480, now seen corresponding path program 1 times [2021-11-07 01:07:25,818 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:07:25,818 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1252138880] [2021-11-07 01:07:25,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:07:25,818 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:07:25,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:07:25,820 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:07:25,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (32)] Waiting until timeout for monitored process [2021-11-07 01:07:28,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:07:28,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 1191 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-07 01:07:28,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:07:28,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:07:28,763 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:07:28,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:07:28,970 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:07:28,970 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1252138880] [2021-11-07 01:07:28,970 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1252138880] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:07:28,970 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:07:28,970 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-07 01:07:28,970 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800419351] [2021-11-07 01:07:28,971 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:07:28,971 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:07:28,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:07:28,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:07:28,972 INFO L87 Difference]: Start difference. First operand 1510 states and 1825 transitions. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 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) [2021-11-07 01:07:36,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:07:36,128 INFO L93 Difference]: Finished difference Result 6069 states and 7351 transitions. [2021-11-07 01:07:36,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:07:36,130 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 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 [2021-11-07 01:07:36,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:07:36,139 INFO L225 Difference]: With dead ends: 6069 [2021-11-07 01:07:36,139 INFO L226 Difference]: Without dead ends: 4837 [2021-11-07 01:07:36,142 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:07:36,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4837 states. [2021-11-07 01:07:36,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4837 to 1510. [2021-11-07 01:07:36,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1510 states, 1473 states have (on average 1.2376103190767143) internal successors, (1823), 1509 states have internal predecessors, (1823), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:07:36,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1510 states to 1510 states and 1823 transitions. [2021-11-07 01:07:36,553 INFO L78 Accepts]: Start accepts. Automaton has 1510 states and 1823 transitions. Word has length 81 [2021-11-07 01:07:36,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:07:36,554 INFO L470 AbstractCegarLoop]: Abstraction has 1510 states and 1823 transitions. [2021-11-07 01:07:36,554 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 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) [2021-11-07 01:07:36,554 INFO L276 IsEmpty]: Start isEmpty. Operand 1510 states and 1823 transitions. [2021-11-07 01:07:36,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-07 01:07:36,554 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:07:36,555 INFO L513 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] [2021-11-07 01:07:36,586 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (32)] Forceful destruction successful, exit code 0 [2021-11-07 01:07:36,759 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:07:36,760 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 92 more)] === [2021-11-07 01:07:36,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:07:36,760 INFO L85 PathProgramCache]: Analyzing trace with hash 302254574, now seen corresponding path program 1 times [2021-11-07 01:07:36,762 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:07:36,762 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1552674500] [2021-11-07 01:07:36,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:07:36,762 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:07:36,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:07:36,763 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:07:36,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (33)] Waiting until timeout for monitored process [2021-11-07 01:07:45,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:07:45,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 1200 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-07 01:07:45,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:07:46,109 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:07:46,110 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:07:46,110 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:07:46,278 INFO L354 Elim1Store]: treesize reduction 190, result has 12.8 percent of original size [2021-11-07 01:07:46,278 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 3 case distinctions, treesize of input 32 treesize of output 38 [2021-11-07 01:07:46,782 INFO L354 Elim1Store]: treesize reduction 72, result has 1.4 percent of original size [2021-11-07 01:07:46,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 111 treesize of output 39 [2021-11-07 01:07:46,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:07:46,850 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:07:47,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:07:47,325 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:07:47,325 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1552674500] [2021-11-07 01:07:47,325 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1552674500] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:07:47,325 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:07:47,326 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-07 01:07:47,326 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462011841] [2021-11-07 01:07:47,326 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:07:47,327 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:07:47,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:07:47,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:07:47,327 INFO L87 Difference]: Start difference. First operand 1510 states and 1823 transitions. Second operand has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:08:55,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:08:55,403 INFO L93 Difference]: Finished difference Result 4375 states and 5323 transitions. [2021-11-07 01:08:55,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 01:08:55,406 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 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 85 [2021-11-07 01:08:55,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:08:55,414 INFO L225 Difference]: With dead ends: 4375 [2021-11-07 01:08:55,414 INFO L226 Difference]: Without dead ends: 3139 [2021-11-07 01:08:55,417 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 164 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-07 01:08:55,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3139 states. [2021-11-07 01:08:55,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3139 to 1532. [2021-11-07 01:08:55,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1532 states, 1495 states have (on average 1.2367892976588628) internal successors, (1849), 1531 states have internal predecessors, (1849), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:08:55,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1532 states to 1532 states and 1849 transitions. [2021-11-07 01:08:55,867 INFO L78 Accepts]: Start accepts. Automaton has 1532 states and 1849 transitions. Word has length 85 [2021-11-07 01:08:55,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:08:55,867 INFO L470 AbstractCegarLoop]: Abstraction has 1532 states and 1849 transitions. [2021-11-07 01:08:55,867 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:08:55,867 INFO L276 IsEmpty]: Start isEmpty. Operand 1532 states and 1849 transitions. [2021-11-07 01:08:55,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-07 01:08:55,868 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:08:55,868 INFO L513 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] [2021-11-07 01:08:55,932 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (33)] Forceful destruction successful, exit code 0 [2021-11-07 01:08:56,068 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:08:56,069 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 92 more)] === [2021-11-07 01:08:56,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:08:56,069 INFO L85 PathProgramCache]: Analyzing trace with hash 359512876, now seen corresponding path program 1 times [2021-11-07 01:08:56,071 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:08:56,071 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1483502408] [2021-11-07 01:08:56,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:08:56,071 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:08:56,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:08:56,072 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:08:56,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (34)] Waiting until timeout for monitored process [2021-11-07 01:09:09,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:09:10,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 1197 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-07 01:09:10,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:09:12,390 INFO L354 Elim1Store]: treesize reduction 839, result has 3.2 percent of original size [2021-11-07 01:09:12,390 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 6 case distinctions, treesize of input 187 treesize of output 147 [2021-11-07 01:09:12,398 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:12,400 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 202 [2021-11-07 01:09:12,411 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 202 treesize of output 187 [2021-11-07 01:09:14,712 INFO L354 Elim1Store]: treesize reduction 4790, result has 1.9 percent of original size [2021-11-07 01:09:14,713 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 16 case distinctions, treesize of input 414 treesize of output 408 [2021-11-07 01:09:14,839 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:14,841 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 242 [2021-11-07 01:09:14,855 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:14,857 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 447 [2021-11-07 01:09:14,887 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 447 treesize of output 432 [2021-11-07 01:09:14,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:14,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:14,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:14,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:14,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:14,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:14,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:14,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:14,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:14,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:14,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:14,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:14,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:14,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:14,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:14,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:14,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:14,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:14,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:14,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:14,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:15,651 INFO L244 Elim1Store]: Index analysis took 550 ms [2021-11-07 01:09:15,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 153 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 127 [2021-11-07 01:09:17,956 INFO L354 Elim1Store]: treesize reduction 180, result has 0.6 percent of original size [2021-11-07 01:09:17,956 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 127 treesize of output 85 [2021-11-07 01:09:17,970 INFO L354 Elim1Store]: treesize reduction 180, result has 0.6 percent of original size [2021-11-07 01:09:17,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 67 treesize of output 25 [2021-11-07 01:09:18,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:09:18,067 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:09:18,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:09:18,558 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:09:18,558 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1483502408] [2021-11-07 01:09:18,558 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1483502408] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:09:18,558 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:09:18,558 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-07 01:09:18,558 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543317634] [2021-11-07 01:09:18,558 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 01:09:18,559 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:09:18,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 01:09:18,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-07 01:09:18,559 INFO L87 Difference]: Start difference. First operand 1532 states and 1849 transitions. Second operand has 8 states, 8 states have (on average 12.125) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:12:19,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:12:19,876 INFO L93 Difference]: Finished difference Result 7429 states and 8808 transitions. [2021-11-07 01:12:19,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 01:12:19,883 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 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 85 [2021-11-07 01:12:19,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:12:19,897 INFO L225 Difference]: With dead ends: 7429 [2021-11-07 01:12:19,897 INFO L226 Difference]: Without dead ends: 6725 [2021-11-07 01:12:19,900 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2021-11-07 01:12:19,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6725 states. [2021-11-07 01:12:20,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6725 to 1576. [2021-11-07 01:12:20,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1576 states, 1539 states have (on average 1.2352176738141651) internal successors, (1901), 1575 states have internal predecessors, (1901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:12:20,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1576 states and 1901 transitions. [2021-11-07 01:12:20,433 INFO L78 Accepts]: Start accepts. Automaton has 1576 states and 1901 transitions. Word has length 85 [2021-11-07 01:12:20,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:12:20,434 INFO L470 AbstractCegarLoop]: Abstraction has 1576 states and 1901 transitions. [2021-11-07 01:12:20,434 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:12:20,434 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 1901 transitions. [2021-11-07 01:12:20,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-07 01:12:20,435 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:12:20,436 INFO L513 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] [2021-11-07 01:12:20,505 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (34)] Forceful destruction successful, exit code 0 [2021-11-07 01:12:20,659 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:12:20,660 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 92 more)] === [2021-11-07 01:12:20,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:12:20,660 INFO L85 PathProgramCache]: Analyzing trace with hash -1343890774, now seen corresponding path program 1 times [2021-11-07 01:12:20,661 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:12:20,661 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1103311914] [2021-11-07 01:12:20,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:12:20,662 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:12:20,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:12:20,662 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:12:20,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (35)] Waiting until timeout for monitored process [2021-11-07 01:12:30,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:12:31,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 1203 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-07 01:12:31,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:12:31,397 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:31,399 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 124 [2021-11-07 01:12:31,403 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:31,404 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 110 [2021-11-07 01:12:31,411 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:12:31,412 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:12:31,412 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:12:33,113 INFO L354 Elim1Store]: treesize reduction 2636, result has 3.3 percent of original size [2021-11-07 01:12:33,114 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 10 case distinctions, treesize of input 110 treesize of output 123 [2021-11-07 01:12:33,120 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:12:33,121 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:12:33,121 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:12:34,329 INFO L354 Elim1Store]: treesize reduction 1702, result has 5.5 percent of original size [2021-11-07 01:12:34,330 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 39 case distinctions, treesize of input 105 treesize of output 134 [2021-11-07 01:12:35,893 INFO L354 Elim1Store]: treesize reduction 792, result has 0.1 percent of original size [2021-11-07 01:12:35,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 143 treesize of output 47 [2021-11-07 01:12:36,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:12:36,002 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:12:36,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:12:36,432 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:12:36,432 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1103311914] [2021-11-07 01:12:36,432 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1103311914] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:12:36,432 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:12:36,432 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2021-11-07 01:12:36,432 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916702942] [2021-11-07 01:12:36,433 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-07 01:12:36,433 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:12:36,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-07 01:12:36,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-07 01:12:36,434 INFO L87 Difference]: Start difference. First operand 1576 states and 1901 transitions. Second operand has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:14:01,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:14:01,265 INFO L93 Difference]: Finished difference Result 6116 states and 7410 transitions. [2021-11-07 01:14:01,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 01:14:01,275 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 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 86 [2021-11-07 01:14:01,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:14:01,285 INFO L225 Difference]: With dead ends: 6116 [2021-11-07 01:14:01,285 INFO L226 Difference]: Without dead ends: 4868 [2021-11-07 01:14:01,288 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 164 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-11-07 01:14:01,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4868 states. [2021-11-07 01:14:02,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4868 to 1572. [2021-11-07 01:14:02,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1572 states, 1535 states have (on average 1.2319218241042345) internal successors, (1891), 1571 states have internal predecessors, (1891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:14:02,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1572 states to 1572 states and 1891 transitions. [2021-11-07 01:14:02,040 INFO L78 Accepts]: Start accepts. Automaton has 1572 states and 1891 transitions. Word has length 86 [2021-11-07 01:14:02,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:14:02,040 INFO L470 AbstractCegarLoop]: Abstraction has 1572 states and 1891 transitions. [2021-11-07 01:14:02,041 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:14:02,041 INFO L276 IsEmpty]: Start isEmpty. Operand 1572 states and 1891 transitions. [2021-11-07 01:14:02,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-07 01:14:02,042 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:14:02,042 INFO L513 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] [2021-11-07 01:14:02,139 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (35)] Ended with exit code 0 [2021-11-07 01:14:02,263 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:14:02,264 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 92 more)] === [2021-11-07 01:14:02,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:14:02,264 INFO L85 PathProgramCache]: Analyzing trace with hash -130833938, now seen corresponding path program 1 times [2021-11-07 01:14:02,265 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:14:02,265 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [565524242] [2021-11-07 01:14:02,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:14:02,265 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:14:02,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:14:02,266 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:14:02,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (36)] Waiting until timeout for monitored process [2021-11-07 01:14:04,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:14:04,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 1148 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-07 01:14:04,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:14:05,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:14:05,239 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:14:06,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:14:06,106 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:14:06,106 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [565524242] [2021-11-07 01:14:06,106 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [565524242] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:14:06,106 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:14:06,106 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 12] imperfect sequences [] total 21 [2021-11-07 01:14:06,106 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296083806] [2021-11-07 01:14:06,107 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-11-07 01:14:06,107 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:14:06,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-11-07 01:14:06,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=372, Unknown=0, NotChecked=0, Total=420 [2021-11-07 01:14:06,108 INFO L87 Difference]: Start difference. First operand 1572 states and 1891 transitions. Second operand has 21 states, 21 states have (on average 5.761904761904762) internal successors, (121), 21 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:14:10,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:14:10,093 INFO L93 Difference]: Finished difference Result 4933 states and 5986 transitions. [2021-11-07 01:14:10,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-07 01:14:10,094 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 5.761904761904762) internal successors, (121), 21 states have internal predecessors, (121), 0 states have call successors, (0), 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 [2021-11-07 01:14:10,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:14:10,100 INFO L225 Difference]: With dead ends: 4933 [2021-11-07 01:14:10,100 INFO L226 Difference]: Without dead ends: 3753 [2021-11-07 01:14:10,103 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=362, Invalid=1120, Unknown=0, NotChecked=0, Total=1482 [2021-11-07 01:14:10,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3753 states. [2021-11-07 01:14:10,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3753 to 1605. [2021-11-07 01:14:10,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1605 states, 1568 states have (on average 1.2270408163265305) internal successors, (1924), 1604 states have internal predecessors, (1924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:14:10,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1605 states to 1605 states and 1924 transitions. [2021-11-07 01:14:10,747 INFO L78 Accepts]: Start accepts. Automaton has 1605 states and 1924 transitions. Word has length 90 [2021-11-07 01:14:10,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:14:10,747 INFO L470 AbstractCegarLoop]: Abstraction has 1605 states and 1924 transitions. [2021-11-07 01:14:10,747 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 5.761904761904762) internal successors, (121), 21 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:14:10,747 INFO L276 IsEmpty]: Start isEmpty. Operand 1605 states and 1924 transitions. [2021-11-07 01:14:10,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-07 01:14:10,748 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:14:10,748 INFO L513 BasicCegarLoop]: trace histogram [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] [2021-11-07 01:14:10,777 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (36)] Forceful destruction successful, exit code 0 [2021-11-07 01:14:10,951 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:14:10,952 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 92 more)] === [2021-11-07 01:14:10,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:14:10,952 INFO L85 PathProgramCache]: Analyzing trace with hash 384154253, now seen corresponding path program 1 times [2021-11-07 01:14:10,953 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:14:10,954 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [863743518] [2021-11-07 01:14:10,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:14:10,954 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:14:10,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:14:10,955 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:14:10,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (37)] Waiting until timeout for monitored process [2021-11-07 01:14:26,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:14:27,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 1230 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-07 01:14:27,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:14:27,574 INFO L354 Elim1Store]: treesize reduction 839, result has 3.2 percent of original size [2021-11-07 01:14:27,574 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 6 case distinctions, treesize of input 67 treesize of output 28 [2021-11-07 01:14:27,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:27,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:27,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:27,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:27,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:27,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:27,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:27,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:27,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:27,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:27,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:27,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:27,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:27,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:27,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:27,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:27,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:27,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:27,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:27,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:27,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:27,686 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 21 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 28 [2021-11-07 01:14:28,365 INFO L354 Elim1Store]: treesize reduction 114, result has 19.7 percent of original size [2021-11-07 01:14:28,365 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 41 treesize of output 46 [2021-11-07 01:14:28,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:28,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:28,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:28,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:28,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:28,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:28,427 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-07 01:14:29,423 INFO L354 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2021-11-07 01:14:29,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 73 treesize of output 49 [2021-11-07 01:14:29,436 INFO L354 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2021-11-07 01:14:29,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 16 [2021-11-07 01:14:29,509 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 01:14:29,510 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:14:30,249 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 01:14:30,250 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:14:30,250 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [863743518] [2021-11-07 01:14:30,250 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [863743518] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:14:30,250 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:14:30,250 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-07 01:14:30,250 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825239955] [2021-11-07 01:14:30,251 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 01:14:30,251 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:14:30,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 01:14:30,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-07 01:14:30,252 INFO L87 Difference]: Start difference. First operand 1605 states and 1924 transitions. Second operand has 8 states, 8 states have (on average 14.375) internal successors, (115), 8 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:15:57,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:15:57,035 INFO L93 Difference]: Finished difference Result 7535 states and 9036 transitions. [2021-11-07 01:15:57,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-07 01:15:57,040 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 8 states have internal predecessors, (115), 0 states have call successors, (0), 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 [2021-11-07 01:15:57,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:15:57,047 INFO L225 Difference]: With dead ends: 7535 [2021-11-07 01:15:57,047 INFO L226 Difference]: Without dead ends: 6914 [2021-11-07 01:15:57,049 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 181 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2021-11-07 01:15:57,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6914 states. [2021-11-07 01:15:57,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6914 to 1591. [2021-11-07 01:15:57,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1591 states, 1554 states have (on average 1.2271557271557272) internal successors, (1907), 1590 states have internal predecessors, (1907), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:15:57,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1591 states to 1591 states and 1907 transitions. [2021-11-07 01:15:57,791 INFO L78 Accepts]: Start accepts. Automaton has 1591 states and 1907 transitions. Word has length 95 [2021-11-07 01:15:57,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:15:57,791 INFO L470 AbstractCegarLoop]: Abstraction has 1591 states and 1907 transitions. [2021-11-07 01:15:57,791 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 8 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:15:57,791 INFO L276 IsEmpty]: Start isEmpty. Operand 1591 states and 1907 transitions. [2021-11-07 01:15:57,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-11-07 01:15:57,792 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:15:57,792 INFO L513 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] [2021-11-07 01:15:57,858 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (37)] Forceful destruction successful, exit code 0 [2021-11-07 01:15:57,992 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:15:57,993 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 92 more)] === [2021-11-07 01:15:57,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:15:57,993 INFO L85 PathProgramCache]: Analyzing trace with hash -1563311058, now seen corresponding path program 1 times [2021-11-07 01:15:57,995 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:15:57,995 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1996576220] [2021-11-07 01:15:57,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:15:57,995 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:15:57,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:15:57,996 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:15:57,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (38)] Waiting until timeout for monitored process [2021-11-07 01:16:00,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:16:00,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 1341 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-07 01:16:00,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:16:01,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:16:01,285 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:16:01,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:16:01,804 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:16:01,805 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1996576220] [2021-11-07 01:16:01,805 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1996576220] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:16:01,805 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:16:01,805 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-11-07 01:16:01,805 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588102708] [2021-11-07 01:16:01,805 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-07 01:16:01,806 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:16:01,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-07 01:16:01,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-07 01:16:01,806 INFO L87 Difference]: Start difference. First operand 1591 states and 1907 transitions. Second operand has 10 states, 10 states have (on average 13.5) internal successors, (135), 10 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:16:05,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:16:05,169 INFO L93 Difference]: Finished difference Result 7315 states and 8827 transitions. [2021-11-07 01:16:05,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 01:16:05,170 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 13.5) internal successors, (135), 10 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2021-11-07 01:16:05,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:16:05,175 INFO L225 Difference]: With dead ends: 7315 [2021-11-07 01:16:05,175 INFO L226 Difference]: Without dead ends: 5829 [2021-11-07 01:16:05,178 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2021-11-07 01:16:05,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5829 states. [2021-11-07 01:16:06,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5829 to 1595. [2021-11-07 01:16:06,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1595 states, 1558 states have (on average 1.2265725288831835) internal successors, (1911), 1594 states have internal predecessors, (1911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:16:06,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1595 states to 1595 states and 1911 transitions. [2021-11-07 01:16:06,018 INFO L78 Accepts]: Start accepts. Automaton has 1595 states and 1911 transitions. Word has length 130 [2021-11-07 01:16:06,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:16:06,018 INFO L470 AbstractCegarLoop]: Abstraction has 1595 states and 1911 transitions. [2021-11-07 01:16:06,019 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 13.5) internal successors, (135), 10 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:16:06,019 INFO L276 IsEmpty]: Start isEmpty. Operand 1595 states and 1911 transitions. [2021-11-07 01:16:06,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-11-07 01:16:06,020 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:16:06,020 INFO L513 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] [2021-11-07 01:16:06,073 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (38)] Forceful destruction successful, exit code 0 [2021-11-07 01:16:06,235 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:16:06,236 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 92 more)] === [2021-11-07 01:16:06,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:16:06,236 INFO L85 PathProgramCache]: Analyzing trace with hash 1050909020, now seen corresponding path program 1 times [2021-11-07 01:16:06,237 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:16:06,237 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1072849378] [2021-11-07 01:16:06,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:16:06,238 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:16:06,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:16:06,238 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:16:06,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (39)] Waiting until timeout for monitored process [2021-11-07 01:16:08,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:16:09,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 1321 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 01:16:09,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:16:09,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:16:09,408 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:16:09,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:16:09,838 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:16:09,838 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1072849378] [2021-11-07 01:16:09,839 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1072849378] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:16:09,839 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:16:09,839 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-07 01:16:09,839 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613447545] [2021-11-07 01:16:09,840 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 01:16:09,840 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:16:09,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 01:16:09,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-07 01:16:09,841 INFO L87 Difference]: Start difference. First operand 1595 states and 1911 transitions. Second operand has 8 states, 8 states have (on average 17.0) internal successors, (136), 8 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:16:12,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:16:12,047 INFO L93 Difference]: Finished difference Result 4653 states and 5668 transitions. [2021-11-07 01:16:12,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 01:16:12,048 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 17.0) internal successors, (136), 8 states have internal predecessors, (136), 0 states have call successors, (0), 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 [2021-11-07 01:16:12,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:16:12,051 INFO L225 Difference]: With dead ends: 4653 [2021-11-07 01:16:12,051 INFO L226 Difference]: Without dead ends: 3736 [2021-11-07 01:16:12,053 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-07 01:16:12,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3736 states. [2021-11-07 01:16:12,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3736 to 1601. [2021-11-07 01:16:12,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1601 states, 1564 states have (on average 1.2257033248081841) internal successors, (1917), 1600 states have internal predecessors, (1917), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:16:12,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1601 states to 1601 states and 1917 transitions. [2021-11-07 01:16:12,869 INFO L78 Accepts]: Start accepts. Automaton has 1601 states and 1917 transitions. Word has length 132 [2021-11-07 01:16:12,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:16:12,870 INFO L470 AbstractCegarLoop]: Abstraction has 1601 states and 1917 transitions. [2021-11-07 01:16:12,870 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.0) internal successors, (136), 8 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:16:12,870 INFO L276 IsEmpty]: Start isEmpty. Operand 1601 states and 1917 transitions. [2021-11-07 01:16:12,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-11-07 01:16:12,871 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:16:12,871 INFO L513 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] [2021-11-07 01:16:12,902 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (39)] Forceful destruction successful, exit code 0 [2021-11-07 01:16:13,072 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:16:13,072 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 92 more)] === [2021-11-07 01:16:13,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:16:13,072 INFO L85 PathProgramCache]: Analyzing trace with hash -1642674647, now seen corresponding path program 1 times [2021-11-07 01:16:13,074 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:16:13,074 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1957582126] [2021-11-07 01:16:13,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:16:13,074 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:16:13,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:16:13,075 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:16:13,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (40)] Waiting until timeout for monitored process [2021-11-07 01:16:15,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:16:16,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 1361 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-07 01:16:16,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:16:16,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:16:16,568 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:16:17,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:16:17,105 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:16:17,105 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1957582126] [2021-11-07 01:16:17,105 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1957582126] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:16:17,105 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:16:17,105 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-11-07 01:16:17,105 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197091975] [2021-11-07 01:16:17,106 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-07 01:16:17,106 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:16:17,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-07 01:16:17,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-07 01:16:17,107 INFO L87 Difference]: Start difference. First operand 1601 states and 1917 transitions. Second operand has 10 states, 10 states have (on average 14.0) internal successors, (140), 10 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:16:20,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:16:20,828 INFO L93 Difference]: Finished difference Result 6977 states and 8418 transitions. [2021-11-07 01:16:20,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 01:16:20,829 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 14.0) internal successors, (140), 10 states have internal predecessors, (140), 0 states have call successors, (0), 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 135 [2021-11-07 01:16:20,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:16:20,835 INFO L225 Difference]: With dead ends: 6977 [2021-11-07 01:16:20,835 INFO L226 Difference]: Without dead ends: 5512 [2021-11-07 01:16:20,838 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 274 GetRequests, 262 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2021-11-07 01:16:20,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5512 states. [2021-11-07 01:16:21,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5512 to 1605. [2021-11-07 01:16:21,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1605 states, 1568 states have (on average 1.2251275510204083) internal successors, (1921), 1604 states have internal predecessors, (1921), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:16:21,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1605 states to 1605 states and 1921 transitions. [2021-11-07 01:16:21,698 INFO L78 Accepts]: Start accepts. Automaton has 1605 states and 1921 transitions. Word has length 135 [2021-11-07 01:16:21,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:16:21,699 INFO L470 AbstractCegarLoop]: Abstraction has 1605 states and 1921 transitions. [2021-11-07 01:16:21,699 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 14.0) internal successors, (140), 10 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:16:21,699 INFO L276 IsEmpty]: Start isEmpty. Operand 1605 states and 1921 transitions. [2021-11-07 01:16:21,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-11-07 01:16:21,701 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:16:21,701 INFO L513 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] [2021-11-07 01:16:21,756 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (40)] Forceful destruction successful, exit code 0 [2021-11-07 01:16:21,923 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:16:21,924 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 92 more)] === [2021-11-07 01:16:21,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:16:21,924 INFO L85 PathProgramCache]: Analyzing trace with hash 800701272, now seen corresponding path program 1 times [2021-11-07 01:16:21,925 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:16:21,926 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [32054587] [2021-11-07 01:16:21,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:16:21,926 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:16:21,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:16:21,927 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:16:21,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (41)] Waiting until timeout for monitored process [2021-11-07 01:16:24,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:16:24,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 1341 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:16:24,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:16:25,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:16:25,771 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:16:26,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:16:26,608 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:16:26,608 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [32054587] [2021-11-07 01:16:26,609 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [32054587] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:16:26,609 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:16:26,609 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:16:26,609 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339124152] [2021-11-07 01:16:26,609 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:16:26,610 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:16:26,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:16:26,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:16:26,610 INFO L87 Difference]: Start difference. First operand 1605 states and 1921 transitions. Second operand has 5 states, 5 states have (on average 27.8) internal successors, (139), 4 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:16:28,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:16:28,268 INFO L93 Difference]: Finished difference Result 2336 states and 2737 transitions. [2021-11-07 01:16:28,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 01:16:28,268 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.8) internal successors, (139), 4 states have internal predecessors, (139), 0 states have call successors, (0), 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 137 [2021-11-07 01:16:28,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:16:28,270 INFO L225 Difference]: With dead ends: 2336 [2021-11-07 01:16:28,270 INFO L226 Difference]: Without dead ends: 2330 [2021-11-07 01:16:28,271 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 274 GetRequests, 269 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-11-07 01:16:28,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2330 states. [2021-11-07 01:16:29,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2330 to 1599. [2021-11-07 01:16:29,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1599 states, 1565 states have (on average 1.2217252396166134) internal successors, (1912), 1598 states have internal predecessors, (1912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:16:29,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1599 states to 1599 states and 1912 transitions. [2021-11-07 01:16:29,054 INFO L78 Accepts]: Start accepts. Automaton has 1599 states and 1912 transitions. Word has length 137 [2021-11-07 01:16:29,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:16:29,057 INFO L470 AbstractCegarLoop]: Abstraction has 1599 states and 1912 transitions. [2021-11-07 01:16:29,057 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.8) internal successors, (139), 4 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:16:29,057 INFO L276 IsEmpty]: Start isEmpty. Operand 1599 states and 1912 transitions. [2021-11-07 01:16:29,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-11-07 01:16:29,059 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:16:29,059 INFO L513 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] [2021-11-07 01:16:29,111 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (41)] Forceful destruction successful, exit code 0 [2021-11-07 01:16:29,275 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:16:29,276 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 92 more)] === [2021-11-07 01:16:29,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:16:29,276 INFO L85 PathProgramCache]: Analyzing trace with hash -834231210, now seen corresponding path program 1 times [2021-11-07 01:16:29,277 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:16:29,278 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [44489273] [2021-11-07 01:16:29,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:16:29,278 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:16:29,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:16:29,279 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:16:29,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2f74f9-f92c-4bda-8640-1e1d404ac963/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (42)] Waiting until timeout for monitored process [2021-11-07 01:16:32,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:16:32,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 1381 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-07 01:16:32,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:16:33,594 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 [2021-11-07 01:16:33,609 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 [2021-11-07 01:16:33,915 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 37 treesize of output 25 [2021-11-07 01:16:33,923 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 22 treesize of output 10 [2021-11-07 01:16:34,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:16:34,004 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:16:35,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:16:35,276 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:16:35,276 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [44489273] [2021-11-07 01:16:35,276 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [44489273] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:16:35,276 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:16:35,277 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 18 [2021-11-07 01:16:35,277 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767478443] [2021-11-07 01:16:35,277 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-07 01:16:35,278 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:16:35,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-07 01:16:35,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2021-11-07 01:16:35,279 INFO L87 Difference]: Start difference. First operand 1599 states and 1912 transitions. Second operand has 18 states, 18 states have (on average 9.11111111111111) internal successors, (164), 18 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)