./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 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/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_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH --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-9ad7fb2 [2021-11-03 04:40:04,258 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 04:40:04,260 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 04:40:04,304 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 04:40:04,305 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 04:40:04,306 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 04:40:04,308 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 04:40:04,310 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 04:40:04,312 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 04:40:04,313 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 04:40:04,315 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 04:40:04,316 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 04:40:04,317 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 04:40:04,318 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 04:40:04,319 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 04:40:04,323 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 04:40:04,325 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 04:40:04,328 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 04:40:04,330 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 04:40:04,336 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 04:40:04,341 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 04:40:04,346 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 04:40:04,347 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 04:40:04,349 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 04:40:04,353 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 04:40:04,354 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 04:40:04,355 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 04:40:04,359 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 04:40:04,362 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 04:40:04,363 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 04:40:04,364 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 04:40:04,364 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 04:40:04,365 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 04:40:04,366 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 04:40:04,367 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 04:40:04,368 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 04:40:04,369 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 04:40:04,369 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 04:40:04,369 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 04:40:04,370 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 04:40:04,371 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 04:40:04,372 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-03 04:40:04,398 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 04:40:04,398 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 04:40:04,399 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 04:40:04,399 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 04:40:04,399 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 04:40:04,399 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 04:40:04,399 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 04:40:04,400 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 04:40:04,400 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 04:40:04,400 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 04:40:04,400 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 04:40:04,400 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 04:40:04,401 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 04:40:04,401 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 04:40:04,401 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 04:40:04,401 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 04:40:04,402 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 04:40:04,402 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 04:40:04,402 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 04:40:04,402 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 04:40:04,402 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 04:40:04,403 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 04:40:04,403 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 04:40:04,403 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 04:40:04,403 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 04:40:04,409 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 04:40:04,409 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 04:40:04,409 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:40:04,410 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 04:40:04,411 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 04:40:04,411 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 04:40:04,412 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 04:40:04,412 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 04:40:04,412 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 04:40:04,412 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 04:40:04,413 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 04:40:04,413 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_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5574142529d95f295134c1dccd4c5dbe0383ae5c309e7dc50fd933e5702659ed [2021-11-03 04:40:04,722 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 04:40:04,749 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 04:40:04,751 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 04:40:04,753 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 04:40:04,754 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 04:40:04,755 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i [2021-11-03 04:40:04,824 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/data/f7bcf7b5a/9b01d0a81f2a4bc6a6722e0550dfac64/FLAG584ed2148 [2021-11-03 04:40:05,717 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 04:40:05,718 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i [2021-11-03 04:40:05,753 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/data/f7bcf7b5a/9b01d0a81f2a4bc6a6722e0550dfac64/FLAG584ed2148 [2021-11-03 04:40:06,221 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/data/f7bcf7b5a/9b01d0a81f2a4bc6a6722e0550dfac64 [2021-11-03 04:40:06,229 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 04:40:06,231 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 04:40:06,236 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 04:40:06,236 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 04:40:06,239 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 04:40:06,241 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:40:06" (1/1) ... [2021-11-03 04:40:06,242 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d22140a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:40:06, skipping insertion in model container [2021-11-03 04:40:06,242 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:40:06" (1/1) ... [2021-11-03 04:40:06,249 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 04:40:06,417 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 04:40:07,786 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:40:07,795 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:40:07,810 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:40:07,814 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:40:07,856 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:40:07,868 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:40:07,897 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:40:07,904 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:40:07,942 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:40:08,031 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:40:08,033 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:40:08,036 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:40:08,041 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:40:08,042 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:40:08,045 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:40:08,047 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:40:08,048 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:40:08,050 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:40:08,055 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:40:08,059 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:40:08,060 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:40:08,060 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:40:08,061 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:40:08,256 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:40:08,262 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:40:08,572 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:40:08,573 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:40:08,955 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273031,273044] [2021-11-03 04:40:08,958 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273176,273189] [2021-11-03 04:40:08,958 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273322,273335] [2021-11-03 04:40:08,959 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273487,273500] [2021-11-03 04:40:08,959 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273645,273658] [2021-11-03 04:40:08,960 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273803,273816] [2021-11-03 04:40:08,960 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273961,273974] [2021-11-03 04:40:08,961 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274121,274134] [2021-11-03 04:40:08,961 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274280,274293] [2021-11-03 04:40:08,962 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274419,274432] [2021-11-03 04:40:08,962 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274561,274574] [2021-11-03 04:40:08,963 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274710,274723] [2021-11-03 04:40:08,963 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274849,274862] [2021-11-03 04:40:08,964 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275004,275017] [2021-11-03 04:40:08,964 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275164,275177] [2021-11-03 04:40:08,965 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275315,275328] [2021-11-03 04:40:08,965 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275466,275479] [2021-11-03 04:40:08,966 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275618,275631] [2021-11-03 04:40:08,966 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275767,275780] [2021-11-03 04:40:08,966 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275915,275928] [2021-11-03 04:40:08,967 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276072,276085] [2021-11-03 04:40:08,967 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276221,276234] [2021-11-03 04:40:08,968 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276377,276390] [2021-11-03 04:40:08,968 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276530,276543] [2021-11-03 04:40:08,969 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276676,276689] [2021-11-03 04:40:08,969 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276819,276832] [2021-11-03 04:40:08,970 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276971,276984] [2021-11-03 04:40:08,970 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277117,277130] [2021-11-03 04:40:08,971 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277262,277275] [2021-11-03 04:40:08,971 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277416,277429] [2021-11-03 04:40:08,972 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277567,277580] [2021-11-03 04:40:08,972 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277722,277735] [2021-11-03 04:40:08,973 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277874,277887] [2021-11-03 04:40:08,973 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278029,278042] [2021-11-03 04:40:08,973 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278193,278206] [2021-11-03 04:40:08,974 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278349,278362] [2021-11-03 04:40:08,974 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278513,278526] [2021-11-03 04:40:08,975 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278655,278668] [2021-11-03 04:40:08,975 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278813,278826] [2021-11-03 04:40:08,976 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278980,278993] [2021-11-03 04:40:08,976 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279139,279152] [2021-11-03 04:40:08,977 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279298,279311] [2021-11-03 04:40:08,977 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279447,279460] [2021-11-03 04:40:08,978 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279594,279607] [2021-11-03 04:40:08,978 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279733,279746] [2021-11-03 04:40:08,978 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279896,279909] [2021-11-03 04:40:08,979 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280062,280075] [2021-11-03 04:40:08,979 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280226,280239] [2021-11-03 04:40:08,980 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280391,280404] [2021-11-03 04:40:08,980 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280556,280569] [2021-11-03 04:40:08,981 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280722,280735] [2021-11-03 04:40:08,981 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280887,280900] [2021-11-03 04:40:08,981 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281054,281067] [2021-11-03 04:40:08,982 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281214,281227] [2021-11-03 04:40:08,982 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281376,281389] [2021-11-03 04:40:08,983 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281535,281548] [2021-11-03 04:40:08,983 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281681,281694] [2021-11-03 04:40:08,984 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281824,281837] [2021-11-03 04:40:08,984 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281968,281981] [2021-11-03 04:40:08,985 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282111,282124] [2021-11-03 04:40:08,985 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282255,282268] [2021-11-03 04:40:08,986 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282396,282409] [2021-11-03 04:40:08,986 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282534,282547] [2021-11-03 04:40:08,986 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282692,282705] [2021-11-03 04:40:08,987 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282851,282864] [2021-11-03 04:40:08,987 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283007,283020] [2021-11-03 04:40:08,988 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283156,283169] [2021-11-03 04:40:08,988 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283308,283321] [2021-11-03 04:40:08,989 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283459,283472] [2021-11-03 04:40:08,989 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283608,283621] [2021-11-03 04:40:08,989 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283760,283773] [2021-11-03 04:40:08,990 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283908,283921] [2021-11-03 04:40:08,990 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284061,284074] [2021-11-03 04:40:08,991 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284212,284225] [2021-11-03 04:40:08,991 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284362,284375] [2021-11-03 04:40:08,992 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284509,284522] [2021-11-03 04:40:08,992 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284660,284673] [2021-11-03 04:40:08,992 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284811,284824] [2021-11-03 04:40:08,993 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284959,284972] [2021-11-03 04:40:08,993 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285125,285138] [2021-11-03 04:40:08,994 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285294,285307] [2021-11-03 04:40:08,994 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285461,285474] [2021-11-03 04:40:08,994 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285629,285642] [2021-11-03 04:40:08,995 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285779,285792] [2021-11-03 04:40:08,995 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285926,285939] [2021-11-03 04:40:08,996 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[286087,286100] [2021-11-03 04:40:08,996 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[286257,286270] [2021-11-03 04:40:08,997 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[286419,286432] [2021-11-03 04:40:09,003 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:40:09,026 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) [2021-11-03 04:40:09,026 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3f891ba5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:40:09, skipping insertion in model container [2021-11-03 04:40:09,027 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 04:40:09,027 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-03 04:40:09,029 INFO L168 Benchmark]: Toolchain (without parser) took 2796.48 ms. Allocated memory was 132.1 MB in the beginning and 161.5 MB in the end (delta: 29.4 MB). Free memory was 82.9 MB in the beginning and 84.0 MB in the end (delta: -1.1 MB). Peak memory consumption was 27.1 MB. Max. memory is 16.1 GB. [2021-11-03 04:40:09,029 INFO L168 Benchmark]: CDTParser took 0.51 ms. Allocated memory is still 132.1 MB. Free memory is still 110.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 04:40:09,030 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2790.95 ms. Allocated memory was 132.1 MB in the beginning and 161.5 MB in the end (delta: 29.4 MB). Free memory was 82.7 MB in the beginning and 84.0 MB in the end (delta: -1.3 MB). Peak memory consumption was 27.1 MB. Max. memory is 16.1 GB. [2021-11-03 04:40:09,032 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51 ms. Allocated memory is still 132.1 MB. Free memory is still 110.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2790.95 ms. Allocated memory was 132.1 MB in the beginning and 161.5 MB in the end (delta: 29.4 MB). Free memory was 82.7 MB in the beginning and 84.0 MB in the end (delta: -1.3 MB). Peak memory consumption was 27.1 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_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/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_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH --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-9ad7fb2 [2021-11-03 04:40:11,122 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 04:40:11,125 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 04:40:11,185 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 04:40:11,186 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 04:40:11,190 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 04:40:11,192 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 04:40:11,196 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 04:40:11,199 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 04:40:11,207 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 04:40:11,208 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 04:40:11,210 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 04:40:11,210 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 04:40:11,212 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 04:40:11,214 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 04:40:11,218 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 04:40:11,220 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 04:40:11,221 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 04:40:11,223 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 04:40:11,230 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 04:40:11,232 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 04:40:11,233 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 04:40:11,236 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 04:40:11,238 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 04:40:11,247 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 04:40:11,247 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 04:40:11,247 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 04:40:11,249 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 04:40:11,250 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 04:40:11,251 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 04:40:11,251 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 04:40:11,252 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 04:40:11,254 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 04:40:11,255 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 04:40:11,256 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 04:40:11,256 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 04:40:11,257 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 04:40:11,257 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 04:40:11,258 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 04:40:11,259 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 04:40:11,260 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 04:40:11,261 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-03 04:40:11,300 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 04:40:11,301 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 04:40:11,302 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 04:40:11,302 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 04:40:11,302 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 04:40:11,302 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 04:40:11,303 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 04:40:11,303 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 04:40:11,303 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 04:40:11,304 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 04:40:11,305 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 04:40:11,305 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 04:40:11,306 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 04:40:11,306 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 04:40:11,306 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 04:40:11,306 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-03 04:40:11,306 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-03 04:40:11,307 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 04:40:11,307 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 04:40:11,307 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 04:40:11,307 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 04:40:11,307 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-03 04:40:11,308 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 04:40:11,308 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:40:11,308 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 04:40:11,308 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 04:40:11,308 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 04:40:11,309 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-03 04:40:11,309 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-03 04:40:11,309 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 04:40:11,309 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 04:40:11,309 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 04:40:11,309 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_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5574142529d95f295134c1dccd4c5dbe0383ae5c309e7dc50fd933e5702659ed [2021-11-03 04:40:11,691 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 04:40:11,713 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 04:40:11,716 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 04:40:11,717 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 04:40:11,718 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 04:40:11,719 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i [2021-11-03 04:40:11,792 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/data/a567bca05/9ff4ee08f03a4398855c8241a39c14b4/FLAGd7751f9d5 [2021-11-03 04:40:12,690 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 04:40:12,692 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i [2021-11-03 04:40:12,757 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/data/a567bca05/9ff4ee08f03a4398855c8241a39c14b4/FLAGd7751f9d5 [2021-11-03 04:40:13,144 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/data/a567bca05/9ff4ee08f03a4398855c8241a39c14b4 [2021-11-03 04:40:13,147 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 04:40:13,149 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 04:40:13,153 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 04:40:13,153 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 04:40:13,156 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 04:40:13,157 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:40:13" (1/1) ... [2021-11-03 04:40:13,158 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bda365b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:40:13, skipping insertion in model container [2021-11-03 04:40:13,158 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:40:13" (1/1) ... [2021-11-03 04:40:13,166 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 04:40:13,336 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 04:40:16,113 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273031,273044] [2021-11-03 04:40:16,118 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_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273176,273189] [2021-11-03 04:40:16,118 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_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273322,273335] [2021-11-03 04:40:16,119 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_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273487,273500] [2021-11-03 04:40:16,119 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_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273645,273658] [2021-11-03 04:40:16,120 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_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273803,273816] [2021-11-03 04:40:16,121 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_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273961,273974] [2021-11-03 04:40:16,121 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_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274121,274134] [2021-11-03 04:40:16,122 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_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274280,274293] [2021-11-03 04:40:16,122 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_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274419,274432] [2021-11-03 04:40:16,123 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_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274561,274574] [2021-11-03 04:40:16,133 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_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274710,274723] [2021-11-03 04:40:16,134 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_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274849,274862] [2021-11-03 04:40:16,136 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_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275004,275017] [2021-11-03 04:40:16,136 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_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275164,275177] [2021-11-03 04:40:16,137 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_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275315,275328] [2021-11-03 04:40:16,137 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_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275466,275479] [2021-11-03 04:40:16,141 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275618,275631] [2021-11-03 04:40:16,147 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275767,275780] [2021-11-03 04:40:16,148 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275915,275928] [2021-11-03 04:40:16,148 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276072,276085] [2021-11-03 04:40:16,149 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276221,276234] [2021-11-03 04:40:16,149 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276377,276390] [2021-11-03 04:40:16,151 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276530,276543] [2021-11-03 04:40:16,151 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276676,276689] [2021-11-03 04:40:16,152 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276819,276832] [2021-11-03 04:40:16,153 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276971,276984] [2021-11-03 04:40:16,153 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277117,277130] [2021-11-03 04:40:16,154 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277262,277275] [2021-11-03 04:40:16,155 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_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277416,277429] [2021-11-03 04:40:16,156 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_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277567,277580] [2021-11-03 04:40:16,157 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_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277722,277735] [2021-11-03 04:40:16,157 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_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277874,277887] [2021-11-03 04:40:16,160 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_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278029,278042] [2021-11-03 04:40:16,160 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_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278193,278206] [2021-11-03 04:40:16,161 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_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278349,278362] [2021-11-03 04:40:16,161 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_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278513,278526] [2021-11-03 04:40:16,162 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_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278655,278668] [2021-11-03 04:40:16,162 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_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278813,278826] [2021-11-03 04:40:16,163 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278980,278993] [2021-11-03 04:40:16,163 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279139,279152] [2021-11-03 04:40:16,164 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279298,279311] [2021-11-03 04:40:16,164 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279447,279460] [2021-11-03 04:40:16,165 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279594,279607] [2021-11-03 04:40:16,165 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279733,279746] [2021-11-03 04:40:16,166 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279896,279909] [2021-11-03 04:40:16,166 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280062,280075] [2021-11-03 04:40:16,168 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_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280226,280239] [2021-11-03 04:40:16,168 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_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280391,280404] [2021-11-03 04:40:16,169 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_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280556,280569] [2021-11-03 04:40:16,169 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_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280722,280735] [2021-11-03 04:40:16,169 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_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280887,280900] [2021-11-03 04:40:16,170 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_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281054,281067] [2021-11-03 04:40:16,170 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_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281214,281227] [2021-11-03 04:40:16,171 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_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281376,281389] [2021-11-03 04:40:16,171 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_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281535,281548] [2021-11-03 04:40:16,172 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_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281681,281694] [2021-11-03 04:40:16,172 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_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281824,281837] [2021-11-03 04:40:16,173 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_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281968,281981] [2021-11-03 04:40:16,173 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_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282111,282124] [2021-11-03 04:40:16,174 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_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282255,282268] [2021-11-03 04:40:16,175 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_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282396,282409] [2021-11-03 04:40:16,175 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_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282534,282547] [2021-11-03 04:40:16,176 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_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282692,282705] [2021-11-03 04:40:16,176 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_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282851,282864] [2021-11-03 04:40:16,177 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_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283007,283020] [2021-11-03 04:40:16,177 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_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283156,283169] [2021-11-03 04:40:16,178 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_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283308,283321] [2021-11-03 04:40:16,178 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_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283459,283472] [2021-11-03 04:40:16,179 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_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283608,283621] [2021-11-03 04:40:16,179 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_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283760,283773] [2021-11-03 04:40:16,179 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_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283908,283921] [2021-11-03 04:40:16,181 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_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284061,284074] [2021-11-03 04:40:16,181 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_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284212,284225] [2021-11-03 04:40:16,182 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284362,284375] [2021-11-03 04:40:16,182 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284509,284522] [2021-11-03 04:40:16,183 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284660,284673] [2021-11-03 04:40:16,183 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284811,284824] [2021-11-03 04:40:16,184 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284959,284972] [2021-11-03 04:40:16,184 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285125,285138] [2021-11-03 04:40:16,185 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285294,285307] [2021-11-03 04:40:16,185 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285461,285474] [2021-11-03 04:40:16,186 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285629,285642] [2021-11-03 04:40:16,186 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285779,285792] [2021-11-03 04:40:16,187 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285926,285939] [2021-11-03 04:40:16,187 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[286087,286100] [2021-11-03 04:40:16,188 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[286257,286270] [2021-11-03 04:40:16,189 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[286419,286432] [2021-11-03 04:40:16,197 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:40:16,250 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-03 04:40:16,392 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 04:40:16,629 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273031,273044] [2021-11-03 04:40:16,629 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273176,273189] [2021-11-03 04:40:16,629 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273322,273335] [2021-11-03 04:40:16,630 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273487,273500] [2021-11-03 04:40:16,630 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273645,273658] [2021-11-03 04:40:16,630 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273803,273816] [2021-11-03 04:40:16,631 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273961,273974] [2021-11-03 04:40:16,631 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274121,274134] [2021-11-03 04:40:16,631 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274280,274293] [2021-11-03 04:40:16,632 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274419,274432] [2021-11-03 04:40:16,632 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274561,274574] [2021-11-03 04:40:16,632 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274710,274723] [2021-11-03 04:40:16,633 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274849,274862] [2021-11-03 04:40:16,633 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275004,275017] [2021-11-03 04:40:16,633 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275164,275177] [2021-11-03 04:40:16,634 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275315,275328] [2021-11-03 04:40:16,634 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275466,275479] [2021-11-03 04:40:16,634 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275618,275631] [2021-11-03 04:40:16,635 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275767,275780] [2021-11-03 04:40:16,635 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275915,275928] [2021-11-03 04:40:16,635 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276072,276085] [2021-11-03 04:40:16,636 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276221,276234] [2021-11-03 04:40:16,636 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276377,276390] [2021-11-03 04:40:16,636 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276530,276543] [2021-11-03 04:40:16,637 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276676,276689] [2021-11-03 04:40:16,637 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276819,276832] [2021-11-03 04:40:16,637 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276971,276984] [2021-11-03 04:40:16,638 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277117,277130] [2021-11-03 04:40:16,638 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277262,277275] [2021-11-03 04:40:16,638 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277416,277429] [2021-11-03 04:40:16,639 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277567,277580] [2021-11-03 04:40:16,639 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277722,277735] [2021-11-03 04:40:16,639 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277874,277887] [2021-11-03 04:40:16,640 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278029,278042] [2021-11-03 04:40:16,640 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278193,278206] [2021-11-03 04:40:16,640 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278349,278362] [2021-11-03 04:40:16,641 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278513,278526] [2021-11-03 04:40:16,641 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278655,278668] [2021-11-03 04:40:16,641 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278813,278826] [2021-11-03 04:40:16,642 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278980,278993] [2021-11-03 04:40:16,643 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279139,279152] [2021-11-03 04:40:16,643 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279298,279311] [2021-11-03 04:40:16,643 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279447,279460] [2021-11-03 04:40:16,644 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279594,279607] [2021-11-03 04:40:16,644 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279733,279746] [2021-11-03 04:40:16,644 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279896,279909] [2021-11-03 04:40:16,645 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280062,280075] [2021-11-03 04:40:16,645 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280226,280239] [2021-11-03 04:40:16,646 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280391,280404] [2021-11-03 04:40:16,646 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280556,280569] [2021-11-03 04:40:16,646 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280722,280735] [2021-11-03 04:40:16,647 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280887,280900] [2021-11-03 04:40:16,650 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281054,281067] [2021-11-03 04:40:16,651 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281214,281227] [2021-11-03 04:40:16,651 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281376,281389] [2021-11-03 04:40:16,652 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281535,281548] [2021-11-03 04:40:16,652 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281681,281694] [2021-11-03 04:40:16,653 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281824,281837] [2021-11-03 04:40:16,653 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281968,281981] [2021-11-03 04:40:16,654 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282111,282124] [2021-11-03 04:40:16,655 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282255,282268] [2021-11-03 04:40:16,658 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_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282396,282409] [2021-11-03 04:40:16,659 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_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282534,282547] [2021-11-03 04:40:16,661 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_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282692,282705] [2021-11-03 04:40:16,661 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_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282851,282864] [2021-11-03 04:40:16,662 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_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283007,283020] [2021-11-03 04:40:16,663 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_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283156,283169] [2021-11-03 04:40:16,663 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_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283308,283321] [2021-11-03 04:40:16,664 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_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283459,283472] [2021-11-03 04:40:16,664 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_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283608,283621] [2021-11-03 04:40:16,669 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_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283760,283773] [2021-11-03 04:40:16,670 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_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283908,283921] [2021-11-03 04:40:16,670 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_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284061,284074] [2021-11-03 04:40:16,670 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_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284212,284225] [2021-11-03 04:40:16,671 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_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284362,284375] [2021-11-03 04:40:16,671 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_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284509,284522] [2021-11-03 04:40:16,671 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_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284660,284673] [2021-11-03 04:40:16,672 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_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284811,284824] [2021-11-03 04:40:16,672 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_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284959,284972] [2021-11-03 04:40:16,672 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_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285125,285138] [2021-11-03 04:40:16,673 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_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285294,285307] [2021-11-03 04:40:16,673 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_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285461,285474] [2021-11-03 04:40:16,673 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_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285629,285642] [2021-11-03 04:40:16,674 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_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285779,285792] [2021-11-03 04:40:16,674 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_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285926,285939] [2021-11-03 04:40:16,674 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_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[286087,286100] [2021-11-03 04:40:16,675 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_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[286257,286270] [2021-11-03 04:40:16,675 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_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[286419,286432] [2021-11-03 04:40:16,678 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:40:16,706 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 04:40:16,963 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273031,273044] [2021-11-03 04:40:16,964 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273176,273189] [2021-11-03 04:40:16,966 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273322,273335] [2021-11-03 04:40:16,967 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273487,273500] [2021-11-03 04:40:16,967 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273645,273658] [2021-11-03 04:40:16,967 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273803,273816] [2021-11-03 04:40:16,968 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273961,273974] [2021-11-03 04:40:16,968 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274121,274134] [2021-11-03 04:40:16,968 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274280,274293] [2021-11-03 04:40:16,969 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274419,274432] [2021-11-03 04:40:16,970 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274561,274574] [2021-11-03 04:40:16,970 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274710,274723] [2021-11-03 04:40:16,970 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274849,274862] [2021-11-03 04:40:16,971 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275004,275017] [2021-11-03 04:40:16,971 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275164,275177] [2021-11-03 04:40:16,971 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275315,275328] [2021-11-03 04:40:16,972 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275466,275479] [2021-11-03 04:40:16,972 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275618,275631] [2021-11-03 04:40:16,972 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275767,275780] [2021-11-03 04:40:16,973 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275915,275928] [2021-11-03 04:40:16,973 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276072,276085] [2021-11-03 04:40:16,973 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276221,276234] [2021-11-03 04:40:16,974 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276377,276390] [2021-11-03 04:40:16,974 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276530,276543] [2021-11-03 04:40:16,974 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276676,276689] [2021-11-03 04:40:16,975 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276819,276832] [2021-11-03 04:40:16,977 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276971,276984] [2021-11-03 04:40:16,977 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277117,277130] [2021-11-03 04:40:16,977 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277262,277275] [2021-11-03 04:40:16,978 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277416,277429] [2021-11-03 04:40:16,979 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277567,277580] [2021-11-03 04:40:16,979 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277722,277735] [2021-11-03 04:40:16,979 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277874,277887] [2021-11-03 04:40:16,980 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278029,278042] [2021-11-03 04:40:16,980 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278193,278206] [2021-11-03 04:40:16,980 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278349,278362] [2021-11-03 04:40:16,981 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278513,278526] [2021-11-03 04:40:16,981 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278655,278668] [2021-11-03 04:40:16,981 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278813,278826] [2021-11-03 04:40:16,982 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278980,278993] [2021-11-03 04:40:16,982 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279139,279152] [2021-11-03 04:40:16,983 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279298,279311] [2021-11-03 04:40:16,983 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279447,279460] [2021-11-03 04:40:16,983 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279594,279607] [2021-11-03 04:40:16,984 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279733,279746] [2021-11-03 04:40:16,985 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279896,279909] [2021-11-03 04:40:16,985 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280062,280075] [2021-11-03 04:40:16,986 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280226,280239] [2021-11-03 04:40:16,986 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280391,280404] [2021-11-03 04:40:16,986 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280556,280569] [2021-11-03 04:40:16,987 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280722,280735] [2021-11-03 04:40:16,987 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280887,280900] [2021-11-03 04:40:16,988 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281054,281067] [2021-11-03 04:40:16,988 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281214,281227] [2021-11-03 04:40:16,988 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281376,281389] [2021-11-03 04:40:16,989 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281535,281548] [2021-11-03 04:40:16,989 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281681,281694] [2021-11-03 04:40:16,989 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281824,281837] [2021-11-03 04:40:16,990 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281968,281981] [2021-11-03 04:40:16,990 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282111,282124] [2021-11-03 04:40:16,990 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282255,282268] [2021-11-03 04:40:16,990 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282396,282409] [2021-11-03 04:40:16,991 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282534,282547] [2021-11-03 04:40:16,991 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282692,282705] [2021-11-03 04:40:16,991 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282851,282864] [2021-11-03 04:40:16,992 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283007,283020] [2021-11-03 04:40:16,992 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283156,283169] [2021-11-03 04:40:16,992 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283308,283321] [2021-11-03 04:40:16,993 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283459,283472] [2021-11-03 04:40:16,993 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283608,283621] [2021-11-03 04:40:16,993 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283760,283773] [2021-11-03 04:40:16,994 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283908,283921] [2021-11-03 04:40:16,994 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284061,284074] [2021-11-03 04:40:16,994 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284212,284225] [2021-11-03 04:40:16,995 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284362,284375] [2021-11-03 04:40:16,995 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284509,284522] [2021-11-03 04:40:16,996 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284660,284673] [2021-11-03 04:40:16,996 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284811,284824] [2021-11-03 04:40:16,996 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284959,284972] [2021-11-03 04:40:17,001 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285125,285138] [2021-11-03 04:40:17,005 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285294,285307] [2021-11-03 04:40:17,006 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285461,285474] [2021-11-03 04:40:17,006 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285629,285642] [2021-11-03 04:40:17,006 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285779,285792] [2021-11-03 04:40:17,006 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285926,285939] [2021-11-03 04:40:17,007 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[286087,286100] [2021-11-03 04:40:17,007 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[286257,286270] [2021-11-03 04:40:17,007 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[286419,286432] [2021-11-03 04:40:17,010 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:40:17,230 INFO L208 MainTranslator]: Completed translation [2021-11-03 04:40:17,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:40:17 WrapperNode [2021-11-03 04:40:17,231 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 04:40:17,232 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 04:40:17,232 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 04:40:17,232 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 04:40:17,239 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:40:17" (1/1) ... [2021-11-03 04:40:17,347 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:40:17" (1/1) ... [2021-11-03 04:40:17,540 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 04:40:17,544 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 04:40:17,545 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 04:40:17,545 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 04:40:17,553 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:40:17" (1/1) ... [2021-11-03 04:40:17,553 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:40:17" (1/1) ... [2021-11-03 04:40:17,573 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:40:17" (1/1) ... [2021-11-03 04:40:17,573 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:40:17" (1/1) ... [2021-11-03 04:40:17,771 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:40:17" (1/1) ... [2021-11-03 04:40:17,820 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:40:17" (1/1) ... [2021-11-03 04:40:17,866 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:40:17" (1/1) ... [2021-11-03 04:40:17,914 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 04:40:17,916 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 04:40:17,916 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 04:40:17,916 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 04:40:17,917 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:40:17" (1/1) ... [2021-11-03 04:40:17,927 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:40:17,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:40:17,948 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 04:40:17,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 04:40:17,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-03 04:40:17,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-03 04:40:17,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-03 04:40:17,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-03 04:40:17,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-03 04:40:17,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-03 04:40:17,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 04:40:17,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 04:40:17,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-03 04:40:17,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-03 04:40:17,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-03 04:40:17,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-03 04:40:17,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 04:40:17,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-03 04:40:17,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-03 04:40:17,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-03 04:40:17,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-03 04:40:17,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-03 04:40:17,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-03 04:40:17,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-03 04:40:17,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-03 04:40:41,610 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_entry_EMGentry_5_returnLabel: main_#res := 0bv32; [2021-11-03 04:40:41,611 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-03 04:40:41,611 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5782: #t~ret640 := main_#res; [2021-11-03 04:40:41,628 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 04:40:41,628 INFO L299 CfgBuilder]: Removed 1173 assume(true) statements. [2021-11-03 04:40:41,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:40:41 BoogieIcfgContainer [2021-11-03 04:40:41,632 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 04:40:41,634 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 04:40:41,634 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 04:40:41,637 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 04:40:41,637 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 04:40:13" (1/3) ... [2021-11-03 04:40:41,638 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71db105 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:40:41, skipping insertion in model container [2021-11-03 04:40:41,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:40:17" (2/3) ... [2021-11-03 04:40:41,638 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71db105 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:40:41, skipping insertion in model container [2021-11-03 04:40:41,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:40:41" (3/3) ... [2021-11-03 04:40:41,640 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i [2021-11-03 04:40:41,645 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 04:40:41,645 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 95 error locations. [2021-11-03 04:40:41,705 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 04:40:41,712 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 [2021-11-03 04:40:41,712 INFO L340 AbstractCegarLoop]: Starting to check reachability of 95 error locations. [2021-11-03 04:40:41,774 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) [2021-11-03 04:40:41,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-03 04:40:41,783 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:40:41,784 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] [2021-11-03 04:40:41,785 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)] === [2021-11-03 04:40:41,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:40:41,794 INFO L85 PathProgramCache]: Analyzing trace with hash 763167304, now seen corresponding path program 1 times [2021-11-03 04:40:41,810 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:40:41,810 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [792659946] [2021-11-03 04:40:41,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:40:41,811 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:40:41,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:40:41,817 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:40:41,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-03 04:40:43,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:40:43,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 805 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 04:40:43,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:40:43,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:40:43,348 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:40:43,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:40:43,572 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:40:43,572 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [792659946] [2021-11-03 04:40:43,572 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [792659946] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:40:43,572 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:40:43,572 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 04:40:43,574 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576839898] [2021-11-03 04:40:43,578 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 04:40:43,579 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:40:43,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 04:40:43,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:40:43,600 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) [2021-11-03 04:40:43,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:40:43,777 INFO L93 Difference]: Finished difference Result 2130 states and 2783 transitions. [2021-11-03 04:40:43,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:40:43,778 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 [2021-11-03 04:40:43,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:40:43,805 INFO L225 Difference]: With dead ends: 2130 [2021-11-03 04:40:43,805 INFO L226 Difference]: Without dead ends: 1028 [2021-11-03 04:40:43,815 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 [2021-11-03 04:40:43,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1028 states. [2021-11-03 04:40:43,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1028 to 1028. [2021-11-03 04:40:43,949 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) [2021-11-03 04:40:43,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1028 states to 1028 states and 1199 transitions. [2021-11-03 04:40:43,956 INFO L78 Accepts]: Start accepts. Automaton has 1028 states and 1199 transitions. Word has length 29 [2021-11-03 04:40:43,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:40:43,956 INFO L470 AbstractCegarLoop]: Abstraction has 1028 states and 1199 transitions. [2021-11-03 04:40:43,956 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) [2021-11-03 04:40:43,957 INFO L276 IsEmpty]: Start isEmpty. Operand 1028 states and 1199 transitions. [2021-11-03 04:40:43,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-03 04:40:43,958 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:40:43,958 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] [2021-11-03 04:40:43,988 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-03 04:40:44,173 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:40:44,173 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)] === [2021-11-03 04:40:44,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:40:44,174 INFO L85 PathProgramCache]: Analyzing trace with hash -1035464564, now seen corresponding path program 1 times [2021-11-03 04:40:44,176 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:40:44,176 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1743210565] [2021-11-03 04:40:44,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:40:44,177 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:40:44,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:40:44,178 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:40:44,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-03 04:40:45,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:40:45,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 808 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 04:40:45,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:40:45,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:40:45,594 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:40:45,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:40:45,802 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:40:45,802 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1743210565] [2021-11-03 04:40:45,802 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1743210565] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:40:45,802 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:40:45,802 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 04:40:45,802 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591067599] [2021-11-03 04:40:45,804 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 04:40:45,804 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:40:45,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 04:40:45,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:40:45,805 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) [2021-11-03 04:40:45,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:40:45,893 INFO L93 Difference]: Finished difference Result 1028 states and 1199 transitions. [2021-11-03 04:40:45,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:40:45,894 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 [2021-11-03 04:40:45,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:40:45,899 INFO L225 Difference]: With dead ends: 1028 [2021-11-03 04:40:45,900 INFO L226 Difference]: Without dead ends: 1024 [2021-11-03 04:40:45,900 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 [2021-11-03 04:40:45,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1024 states. [2021-11-03 04:40:45,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1024 to 1024. [2021-11-03 04:40:45,946 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) [2021-11-03 04:40:45,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1024 states to 1024 states and 1195 transitions. [2021-11-03 04:40:45,949 INFO L78 Accepts]: Start accepts. Automaton has 1024 states and 1195 transitions. Word has length 31 [2021-11-03 04:40:45,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:40:45,950 INFO L470 AbstractCegarLoop]: Abstraction has 1024 states and 1195 transitions. [2021-11-03 04:40:45,950 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) [2021-11-03 04:40:45,950 INFO L276 IsEmpty]: Start isEmpty. Operand 1024 states and 1195 transitions. [2021-11-03 04:40:45,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-03 04:40:45,952 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:40:45,952 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] [2021-11-03 04:40:45,980 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-03 04:40:46,173 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:40:46,173 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)] === [2021-11-03 04:40:46,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:40:46,174 INFO L85 PathProgramCache]: Analyzing trace with hash 1351130928, now seen corresponding path program 1 times [2021-11-03 04:40:46,176 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:40:46,176 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [369224205] [2021-11-03 04:40:46,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:40:46,177 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:40:46,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:40:46,178 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:40:46,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-03 04:40:47,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:40:47,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 811 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 04:40:47,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:40:47,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:40:47,578 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:40:47,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:40:47,782 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:40:47,782 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [369224205] [2021-11-03 04:40:47,782 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [369224205] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:40:47,782 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:40:47,782 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 04:40:47,782 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977167952] [2021-11-03 04:40:47,783 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 04:40:47,783 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:40:47,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 04:40:47,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:40:47,784 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) [2021-11-03 04:40:47,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:40:47,873 INFO L93 Difference]: Finished difference Result 1024 states and 1195 transitions. [2021-11-03 04:40:47,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:40:47,874 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 [2021-11-03 04:40:47,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:40:47,881 INFO L225 Difference]: With dead ends: 1024 [2021-11-03 04:40:47,881 INFO L226 Difference]: Without dead ends: 1020 [2021-11-03 04:40:47,882 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 [2021-11-03 04:40:47,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1020 states. [2021-11-03 04:40:47,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1020 to 1020. [2021-11-03 04:40:47,929 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) [2021-11-03 04:40:47,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1020 states to 1020 states and 1191 transitions. [2021-11-03 04:40:47,932 INFO L78 Accepts]: Start accepts. Automaton has 1020 states and 1191 transitions. Word has length 33 [2021-11-03 04:40:47,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:40:47,933 INFO L470 AbstractCegarLoop]: Abstraction has 1020 states and 1191 transitions. [2021-11-03 04:40:47,933 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) [2021-11-03 04:40:47,933 INFO L276 IsEmpty]: Start isEmpty. Operand 1020 states and 1191 transitions. [2021-11-03 04:40:47,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-03 04:40:47,941 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:40:47,941 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] [2021-11-03 04:40:47,969 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-03 04:40:48,155 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:40:48,155 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)] === [2021-11-03 04:40:48,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:40:48,156 INFO L85 PathProgramCache]: Analyzing trace with hash 1356863028, now seen corresponding path program 1 times [2021-11-03 04:40:48,157 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:40:48,158 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [443722846] [2021-11-03 04:40:48,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:40:48,158 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:40:48,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:40:48,159 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:40:48,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-03 04:40:49,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:40:49,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 814 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 04:40:49,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:40:49,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:40:49,520 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:40:49,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:40:49,751 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:40:49,751 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [443722846] [2021-11-03 04:40:49,751 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [443722846] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:40:49,752 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:40:49,752 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 04:40:49,752 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998312856] [2021-11-03 04:40:49,752 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 04:40:49,752 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:40:49,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 04:40:49,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:40:49,753 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) [2021-11-03 04:40:49,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:40:49,838 INFO L93 Difference]: Finished difference Result 1020 states and 1191 transitions. [2021-11-03 04:40:49,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:40:49,839 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 [2021-11-03 04:40:49,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:40:49,846 INFO L225 Difference]: With dead ends: 1020 [2021-11-03 04:40:49,846 INFO L226 Difference]: Without dead ends: 1016 [2021-11-03 04:40:49,847 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 [2021-11-03 04:40:49,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1016 states. [2021-11-03 04:40:49,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1016 to 1016. [2021-11-03 04:40:49,899 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) [2021-11-03 04:40:49,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1016 states to 1016 states and 1187 transitions. [2021-11-03 04:40:49,903 INFO L78 Accepts]: Start accepts. Automaton has 1016 states and 1187 transitions. Word has length 35 [2021-11-03 04:40:49,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:40:49,904 INFO L470 AbstractCegarLoop]: Abstraction has 1016 states and 1187 transitions. [2021-11-03 04:40:49,904 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) [2021-11-03 04:40:49,904 INFO L276 IsEmpty]: Start isEmpty. Operand 1016 states and 1187 transitions. [2021-11-03 04:40:49,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-03 04:40:49,906 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:40:49,906 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] [2021-11-03 04:40:49,935 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-03 04:40:50,122 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:40:50,122 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)] === [2021-11-03 04:40:50,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:40:50,123 INFO L85 PathProgramCache]: Analyzing trace with hash -1724523112, now seen corresponding path program 1 times [2021-11-03 04:40:50,124 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:40:50,124 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [986140390] [2021-11-03 04:40:50,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:40:50,125 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:40:50,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:40:50,126 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:40:50,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-03 04:40:51,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:40:51,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 817 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 04:40:51,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:40:51,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:40:51,381 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:40:51,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:40:51,602 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:40:51,602 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [986140390] [2021-11-03 04:40:51,602 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [986140390] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:40:51,602 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:40:51,602 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 04:40:51,602 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499687603] [2021-11-03 04:40:51,603 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 04:40:51,603 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:40:51,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 04:40:51,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:40:51,604 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) [2021-11-03 04:40:51,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:40:51,686 INFO L93 Difference]: Finished difference Result 1016 states and 1187 transitions. [2021-11-03 04:40:51,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:40:51,687 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 [2021-11-03 04:40:51,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:40:51,693 INFO L225 Difference]: With dead ends: 1016 [2021-11-03 04:40:51,693 INFO L226 Difference]: Without dead ends: 1012 [2021-11-03 04:40:51,693 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 [2021-11-03 04:40:51,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1012 states. [2021-11-03 04:40:51,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1012 to 1012. [2021-11-03 04:40:51,745 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) [2021-11-03 04:40:51,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1012 states to 1012 states and 1183 transitions. [2021-11-03 04:40:51,749 INFO L78 Accepts]: Start accepts. Automaton has 1012 states and 1183 transitions. Word has length 37 [2021-11-03 04:40:51,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:40:51,749 INFO L470 AbstractCegarLoop]: Abstraction has 1012 states and 1183 transitions. [2021-11-03 04:40:51,750 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) [2021-11-03 04:40:51,750 INFO L276 IsEmpty]: Start isEmpty. Operand 1012 states and 1183 transitions. [2021-11-03 04:40:51,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-03 04:40:51,751 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:40:51,751 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] [2021-11-03 04:40:51,781 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-03 04:40:51,975 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:40:51,978 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)] === [2021-11-03 04:40:51,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:40:51,979 INFO L85 PathProgramCache]: Analyzing trace with hash 590830940, now seen corresponding path program 1 times [2021-11-03 04:40:51,980 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:40:51,980 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [207346170] [2021-11-03 04:40:51,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:40:51,980 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:40:51,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:40:51,981 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:40:51,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-03 04:40:53,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:40:53,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 820 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 04:40:53,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:40:53,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:40:53,294 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:40:53,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:40:53,489 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:40:53,489 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [207346170] [2021-11-03 04:40:53,489 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [207346170] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:40:53,489 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:40:53,489 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 04:40:53,489 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493558144] [2021-11-03 04:40:53,489 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 04:40:53,490 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:40:53,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 04:40:53,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:40:53,490 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) [2021-11-03 04:40:53,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:40:53,579 INFO L93 Difference]: Finished difference Result 1012 states and 1183 transitions. [2021-11-03 04:40:53,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:40:53,580 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 [2021-11-03 04:40:53,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:40:53,585 INFO L225 Difference]: With dead ends: 1012 [2021-11-03 04:40:53,586 INFO L226 Difference]: Without dead ends: 1008 [2021-11-03 04:40:53,586 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 [2021-11-03 04:40:53,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1008 states. [2021-11-03 04:40:53,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1008 to 1008. [2021-11-03 04:40:53,638 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) [2021-11-03 04:40:53,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1008 states to 1008 states and 1179 transitions. [2021-11-03 04:40:53,642 INFO L78 Accepts]: Start accepts. Automaton has 1008 states and 1179 transitions. Word has length 39 [2021-11-03 04:40:53,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:40:53,643 INFO L470 AbstractCegarLoop]: Abstraction has 1008 states and 1179 transitions. [2021-11-03 04:40:53,643 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) [2021-11-03 04:40:53,643 INFO L276 IsEmpty]: Start isEmpty. Operand 1008 states and 1179 transitions. [2021-11-03 04:40:53,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-03 04:40:53,644 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:40:53,644 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] [2021-11-03 04:40:53,672 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-03 04:40:53,859 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:40:53,860 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)] === [2021-11-03 04:40:53,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:40:53,860 INFO L85 PathProgramCache]: Analyzing trace with hash 853015936, now seen corresponding path program 1 times [2021-11-03 04:40:53,862 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:40:53,862 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1397232849] [2021-11-03 04:40:53,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:40:53,862 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:40:53,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:40:53,863 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:40:53,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-03 04:40:54,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:40:54,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 823 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 04:40:54,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:40:55,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:40:55,172 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:40:55,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:40:55,384 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:40:55,385 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1397232849] [2021-11-03 04:40:55,385 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1397232849] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:40:55,385 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:40:55,385 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 04:40:55,385 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172948846] [2021-11-03 04:40:55,385 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 04:40:55,385 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:40:55,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 04:40:55,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:40:55,386 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) [2021-11-03 04:40:55,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:40:55,489 INFO L93 Difference]: Finished difference Result 1008 states and 1179 transitions. [2021-11-03 04:40:55,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:40:55,490 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 [2021-11-03 04:40:55,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:40:55,495 INFO L225 Difference]: With dead ends: 1008 [2021-11-03 04:40:55,495 INFO L226 Difference]: Without dead ends: 1004 [2021-11-03 04:40:55,496 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 [2021-11-03 04:40:55,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1004 states. [2021-11-03 04:40:55,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1004 to 1004. [2021-11-03 04:40:55,571 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) [2021-11-03 04:40:55,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 1004 states and 1175 transitions. [2021-11-03 04:40:55,575 INFO L78 Accepts]: Start accepts. Automaton has 1004 states and 1175 transitions. Word has length 41 [2021-11-03 04:40:55,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:40:55,576 INFO L470 AbstractCegarLoop]: Abstraction has 1004 states and 1175 transitions. [2021-11-03 04:40:55,576 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) [2021-11-03 04:40:55,576 INFO L276 IsEmpty]: Start isEmpty. Operand 1004 states and 1175 transitions. [2021-11-03 04:40:55,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-03 04:40:55,577 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:40:55,577 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] [2021-11-03 04:40:55,605 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-03 04:40:55,791 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:40:55,792 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)] === [2021-11-03 04:40:55,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:40:55,792 INFO L85 PathProgramCache]: Analyzing trace with hash -590273020, now seen corresponding path program 1 times [2021-11-03 04:40:55,794 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:40:55,794 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1307000417] [2021-11-03 04:40:55,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:40:55,795 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:40:55,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:40:55,796 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:40:55,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-03 04:40:56,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:40:56,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 826 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 04:40:56,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:40:57,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:40:57,207 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:40:57,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:40:57,432 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:40:57,432 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1307000417] [2021-11-03 04:40:57,432 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1307000417] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:40:57,432 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:40:57,433 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 04:40:57,433 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768530149] [2021-11-03 04:40:57,433 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 04:40:57,433 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:40:57,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 04:40:57,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:40:57,434 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) [2021-11-03 04:40:57,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:40:57,550 INFO L93 Difference]: Finished difference Result 1004 states and 1175 transitions. [2021-11-03 04:40:57,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:40:57,551 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 [2021-11-03 04:40:57,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:40:57,557 INFO L225 Difference]: With dead ends: 1004 [2021-11-03 04:40:57,557 INFO L226 Difference]: Without dead ends: 1000 [2021-11-03 04:40:57,557 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 [2021-11-03 04:40:57,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1000 states. [2021-11-03 04:40:57,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1000 to 1000. [2021-11-03 04:40:57,636 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) [2021-11-03 04:40:57,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1000 states to 1000 states and 1171 transitions. [2021-11-03 04:40:57,640 INFO L78 Accepts]: Start accepts. Automaton has 1000 states and 1171 transitions. Word has length 43 [2021-11-03 04:40:57,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:40:57,641 INFO L470 AbstractCegarLoop]: Abstraction has 1000 states and 1171 transitions. [2021-11-03 04:40:57,641 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) [2021-11-03 04:40:57,641 INFO L276 IsEmpty]: Start isEmpty. Operand 1000 states and 1171 transitions. [2021-11-03 04:40:57,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-03 04:40:57,642 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:40:57,642 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] [2021-11-03 04:40:57,670 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-03 04:40:57,855 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:40:57,856 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)] === [2021-11-03 04:40:57,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:40:57,856 INFO L85 PathProgramCache]: Analyzing trace with hash -316523769, now seen corresponding path program 1 times [2021-11-03 04:40:57,858 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:40:57,858 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1271702580] [2021-11-03 04:40:57,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:40:57,858 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:40:57,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:40:57,859 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:40:57,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-03 04:40:58,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:40:59,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 829 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 04:40:59,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:40:59,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:40:59,273 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:40:59,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:40:59,467 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:40:59,467 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1271702580] [2021-11-03 04:40:59,467 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1271702580] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:40:59,467 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:40:59,467 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 04:40:59,467 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300431076] [2021-11-03 04:40:59,467 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 04:40:59,467 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:40:59,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 04:40:59,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:40:59,468 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) [2021-11-03 04:40:59,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:40:59,563 INFO L93 Difference]: Finished difference Result 1000 states and 1171 transitions. [2021-11-03 04:40:59,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:40:59,564 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 [2021-11-03 04:40:59,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:40:59,569 INFO L225 Difference]: With dead ends: 1000 [2021-11-03 04:40:59,569 INFO L226 Difference]: Without dead ends: 996 [2021-11-03 04:40:59,570 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 [2021-11-03 04:40:59,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 996 states. [2021-11-03 04:40:59,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 996 to 996. [2021-11-03 04:40:59,632 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) [2021-11-03 04:40:59,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 996 states to 996 states and 1167 transitions. [2021-11-03 04:40:59,636 INFO L78 Accepts]: Start accepts. Automaton has 996 states and 1167 transitions. Word has length 45 [2021-11-03 04:40:59,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:40:59,636 INFO L470 AbstractCegarLoop]: Abstraction has 996 states and 1167 transitions. [2021-11-03 04:40:59,636 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) [2021-11-03 04:40:59,636 INFO L276 IsEmpty]: Start isEmpty. Operand 996 states and 1167 transitions. [2021-11-03 04:40:59,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-03 04:40:59,637 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:40:59,637 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] [2021-11-03 04:40:59,666 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-03 04:40:59,860 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:40:59,861 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)] === [2021-11-03 04:40:59,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:40:59,861 INFO L85 PathProgramCache]: Analyzing trace with hash 763502699, now seen corresponding path program 1 times [2021-11-03 04:40:59,862 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:40:59,862 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [977526925] [2021-11-03 04:40:59,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:40:59,863 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:40:59,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:40:59,863 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:40:59,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-03 04:41:00,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:41:00,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 832 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 04:41:00,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:41:01,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:41:01,190 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:41:01,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:41:01,424 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:41:01,424 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [977526925] [2021-11-03 04:41:01,425 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [977526925] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:41:01,425 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:41:01,425 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 04:41:01,425 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441156011] [2021-11-03 04:41:01,425 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 04:41:01,425 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:41:01,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 04:41:01,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:41:01,426 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) [2021-11-03 04:41:01,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:41:01,528 INFO L93 Difference]: Finished difference Result 996 states and 1167 transitions. [2021-11-03 04:41:01,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:41:01,529 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 [2021-11-03 04:41:01,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:41:01,534 INFO L225 Difference]: With dead ends: 996 [2021-11-03 04:41:01,535 INFO L226 Difference]: Without dead ends: 992 [2021-11-03 04:41:01,535 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 [2021-11-03 04:41:01,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 992 states. [2021-11-03 04:41:01,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 992 to 992. [2021-11-03 04:41:01,605 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) [2021-11-03 04:41:01,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 992 states to 992 states and 1163 transitions. [2021-11-03 04:41:01,609 INFO L78 Accepts]: Start accepts. Automaton has 992 states and 1163 transitions. Word has length 47 [2021-11-03 04:41:01,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:41:01,609 INFO L470 AbstractCegarLoop]: Abstraction has 992 states and 1163 transitions. [2021-11-03 04:41:01,610 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) [2021-11-03 04:41:01,610 INFO L276 IsEmpty]: Start isEmpty. Operand 992 states and 1163 transitions. [2021-11-03 04:41:01,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-03 04:41:01,611 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:41:01,611 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] [2021-11-03 04:41:01,641 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-03 04:41:01,827 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:41:01,828 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)] === [2021-11-03 04:41:01,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:41:01,828 INFO L85 PathProgramCache]: Analyzing trace with hash -713146833, now seen corresponding path program 1 times [2021-11-03 04:41:01,829 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:41:01,829 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1925186057] [2021-11-03 04:41:01,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:41:01,829 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:41:01,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:41:01,830 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:41:01,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-03 04:41:02,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:41:02,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 835 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 04:41:02,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:41:03,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:41:03,217 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:41:03,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:41:03,472 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:41:03,472 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1925186057] [2021-11-03 04:41:03,472 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1925186057] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:41:03,472 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:41:03,472 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 04:41:03,472 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766074939] [2021-11-03 04:41:03,473 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 04:41:03,473 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:41:03,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 04:41:03,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:41:03,474 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) [2021-11-03 04:41:03,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:41:03,613 INFO L93 Difference]: Finished difference Result 992 states and 1163 transitions. [2021-11-03 04:41:03,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:41:03,614 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 [2021-11-03 04:41:03,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:41:03,619 INFO L225 Difference]: With dead ends: 992 [2021-11-03 04:41:03,619 INFO L226 Difference]: Without dead ends: 988 [2021-11-03 04:41:03,620 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 [2021-11-03 04:41:03,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 988 states. [2021-11-03 04:41:03,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 988 to 988. [2021-11-03 04:41:03,697 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) [2021-11-03 04:41:03,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 988 states to 988 states and 1159 transitions. [2021-11-03 04:41:03,700 INFO L78 Accepts]: Start accepts. Automaton has 988 states and 1159 transitions. Word has length 49 [2021-11-03 04:41:03,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:41:03,701 INFO L470 AbstractCegarLoop]: Abstraction has 988 states and 1159 transitions. [2021-11-03 04:41:03,701 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) [2021-11-03 04:41:03,701 INFO L276 IsEmpty]: Start isEmpty. Operand 988 states and 1159 transitions. [2021-11-03 04:41:03,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-03 04:41:03,702 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:41:03,702 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] [2021-11-03 04:41:03,730 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-11-03 04:41:03,925 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:41:03,925 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)] === [2021-11-03 04:41:03,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:41:03,925 INFO L85 PathProgramCache]: Analyzing trace with hash 1860828243, now seen corresponding path program 1 times [2021-11-03 04:41:03,926 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:41:03,927 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [567463702] [2021-11-03 04:41:03,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:41:03,927 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:41:03,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:41:03,930 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:41:03,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-03 04:41:05,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:41:05,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 838 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 04:41:05,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:41:05,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:41:05,338 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:41:05,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:41:05,569 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:41:05,569 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [567463702] [2021-11-03 04:41:05,570 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [567463702] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:41:05,570 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:41:05,570 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 04:41:05,570 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009922891] [2021-11-03 04:41:05,571 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 04:41:05,571 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:41:05,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 04:41:05,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:41:05,572 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) [2021-11-03 04:41:05,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:41:05,675 INFO L93 Difference]: Finished difference Result 988 states and 1159 transitions. [2021-11-03 04:41:05,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:41:05,675 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 [2021-11-03 04:41:05,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:41:05,681 INFO L225 Difference]: With dead ends: 988 [2021-11-03 04:41:05,681 INFO L226 Difference]: Without dead ends: 984 [2021-11-03 04:41:05,681 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 [2021-11-03 04:41:05,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 984 states. [2021-11-03 04:41:05,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 984 to 984. [2021-11-03 04:41:05,757 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) [2021-11-03 04:41:05,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 984 states to 984 states and 1155 transitions. [2021-11-03 04:41:05,761 INFO L78 Accepts]: Start accepts. Automaton has 984 states and 1155 transitions. Word has length 51 [2021-11-03 04:41:05,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:41:05,761 INFO L470 AbstractCegarLoop]: Abstraction has 984 states and 1155 transitions. [2021-11-03 04:41:05,761 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) [2021-11-03 04:41:05,762 INFO L276 IsEmpty]: Start isEmpty. Operand 984 states and 1155 transitions. [2021-11-03 04:41:05,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-03 04:41:05,762 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:41:05,762 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] [2021-11-03 04:41:05,791 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-11-03 04:41:05,984 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:41:05,984 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)] === [2021-11-03 04:41:05,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:41:05,984 INFO L85 PathProgramCache]: Analyzing trace with hash 1549714135, now seen corresponding path program 1 times [2021-11-03 04:41:05,986 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:41:05,986 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2084579084] [2021-11-03 04:41:05,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:41:05,986 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:41:05,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:41:05,988 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:41:06,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-11-03 04:41:07,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:41:07,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 841 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 04:41:07,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:41:07,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:41:07,434 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:41:07,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:41:07,662 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:41:07,662 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2084579084] [2021-11-03 04:41:07,662 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2084579084] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:41:07,662 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:41:07,662 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 04:41:07,662 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532040379] [2021-11-03 04:41:07,663 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 04:41:07,663 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:41:07,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 04:41:07,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:41:07,664 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) [2021-11-03 04:41:07,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:41:07,768 INFO L93 Difference]: Finished difference Result 984 states and 1155 transitions. [2021-11-03 04:41:07,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:41:07,768 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 [2021-11-03 04:41:07,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:41:07,773 INFO L225 Difference]: With dead ends: 984 [2021-11-03 04:41:07,774 INFO L226 Difference]: Without dead ends: 980 [2021-11-03 04:41:07,774 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 [2021-11-03 04:41:07,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 980 states. [2021-11-03 04:41:07,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 980 to 980. [2021-11-03 04:41:07,852 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) [2021-11-03 04:41:07,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 980 states to 980 states and 1151 transitions. [2021-11-03 04:41:07,855 INFO L78 Accepts]: Start accepts. Automaton has 980 states and 1151 transitions. Word has length 53 [2021-11-03 04:41:07,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:41:07,856 INFO L470 AbstractCegarLoop]: Abstraction has 980 states and 1151 transitions. [2021-11-03 04:41:07,856 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) [2021-11-03 04:41:07,856 INFO L276 IsEmpty]: Start isEmpty. Operand 980 states and 1151 transitions. [2021-11-03 04:41:07,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-03 04:41:07,857 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:41:07,857 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] [2021-11-03 04:41:07,881 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-11-03 04:41:08,081 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:41:08,081 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)] === [2021-11-03 04:41:08,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:41:08,082 INFO L85 PathProgramCache]: Analyzing trace with hash -675645703, now seen corresponding path program 1 times [2021-11-03 04:41:08,083 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:41:08,083 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1515128734] [2021-11-03 04:41:08,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:41:08,084 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:41:08,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:41:08,084 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:41:08,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-11-03 04:41:09,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:41:09,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 1037 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-03 04:41:09,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:41:09,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:41:09,677 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:41:09,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:41:09,895 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:41:09,895 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1515128734] [2021-11-03 04:41:09,896 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1515128734] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:41:09,896 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:41:09,896 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2021-11-03 04:41:09,896 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657940893] [2021-11-03 04:41:09,896 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-03 04:41:09,896 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:41:09,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-03 04:41:09,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-03 04:41:09,897 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) [2021-11-03 04:41:10,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:41:10,598 INFO L93 Difference]: Finished difference Result 2580 states and 3029 transitions. [2021-11-03 04:41:10,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-03 04:41:10,599 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 [2021-11-03 04:41:10,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:41:10,608 INFO L225 Difference]: With dead ends: 2580 [2021-11-03 04:41:10,608 INFO L226 Difference]: Without dead ends: 1612 [2021-11-03 04:41:10,610 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-03 04:41:10,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1612 states. [2021-11-03 04:41:10,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1612 to 983. [2021-11-03 04:41:10,707 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) [2021-11-03 04:41:10,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 983 states to 983 states and 1154 transitions. [2021-11-03 04:41:10,710 INFO L78 Accepts]: Start accepts. Automaton has 983 states and 1154 transitions. Word has length 54 [2021-11-03 04:41:10,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:41:10,711 INFO L470 AbstractCegarLoop]: Abstraction has 983 states and 1154 transitions. [2021-11-03 04:41:10,711 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) [2021-11-03 04:41:10,711 INFO L276 IsEmpty]: Start isEmpty. Operand 983 states and 1154 transitions. [2021-11-03 04:41:10,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-03 04:41:10,712 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:41:10,712 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] [2021-11-03 04:41:10,747 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-11-03 04:41:10,935 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:41:10,936 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)] === [2021-11-03 04:41:10,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:41:10,936 INFO L85 PathProgramCache]: Analyzing trace with hash 1263516343, now seen corresponding path program 1 times [2021-11-03 04:41:10,937 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:41:10,937 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [103559922] [2021-11-03 04:41:10,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:41:10,938 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:41:10,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:41:10,938 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:41:10,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-11-03 04:41:12,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:41:12,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 1036 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 04:41:12,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:41:12,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:41:12,653 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:41:12,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:41:12,867 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:41:12,867 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [103559922] [2021-11-03 04:41:12,867 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [103559922] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:41:12,867 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:41:12,867 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-03 04:41:12,867 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996819866] [2021-11-03 04:41:12,867 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 04:41:12,867 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:41:12,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 04:41:12,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:41:12,868 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) [2021-11-03 04:41:13,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:41:13,508 INFO L93 Difference]: Finished difference Result 2509 states and 2948 transitions. [2021-11-03 04:41:13,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-03 04:41:13,511 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 [2021-11-03 04:41:13,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:41:13,519 INFO L225 Difference]: With dead ends: 2509 [2021-11-03 04:41:13,520 INFO L226 Difference]: Without dead ends: 1582 [2021-11-03 04:41:13,522 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 [2021-11-03 04:41:13,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1582 states. [2021-11-03 04:41:13,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1582 to 983. [2021-11-03 04:41:13,631 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) [2021-11-03 04:41:13,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 983 states to 983 states and 1146 transitions. [2021-11-03 04:41:13,634 INFO L78 Accepts]: Start accepts. Automaton has 983 states and 1146 transitions. Word has length 54 [2021-11-03 04:41:13,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:41:13,635 INFO L470 AbstractCegarLoop]: Abstraction has 983 states and 1146 transitions. [2021-11-03 04:41:13,635 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) [2021-11-03 04:41:13,635 INFO L276 IsEmpty]: Start isEmpty. Operand 983 states and 1146 transitions. [2021-11-03 04:41:13,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-03 04:41:13,636 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:41:13,636 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] [2021-11-03 04:41:13,671 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-11-03 04:41:13,851 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:41:13,852 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)] === [2021-11-03 04:41:13,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:41:13,852 INFO L85 PathProgramCache]: Analyzing trace with hash 1263575925, now seen corresponding path program 1 times [2021-11-03 04:41:13,854 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:41:13,854 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2127327539] [2021-11-03 04:41:13,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:41:13,854 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:41:13,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:41:13,855 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:41:13,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-11-03 04:41:15,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:41:15,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 1036 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 04:41:15,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:41:15,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:41:15,518 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:41:15,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:41:15,638 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:41:15,639 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2127327539] [2021-11-03 04:41:15,639 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2127327539] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:41:15,639 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:41:15,639 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-03 04:41:15,639 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851864660] [2021-11-03 04:41:15,640 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-03 04:41:15,640 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:41:15,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-03 04:41:15,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-03 04:41:15,641 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) [2021-11-03 04:41:16,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:41:16,369 INFO L93 Difference]: Finished difference Result 1588 states and 1853 transitions. [2021-11-03 04:41:16,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-03 04:41:16,370 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 [2021-11-03 04:41:16,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:41:16,380 INFO L225 Difference]: With dead ends: 1588 [2021-11-03 04:41:16,380 INFO L226 Difference]: Without dead ends: 1572 [2021-11-03 04:41:16,381 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 [2021-11-03 04:41:16,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1572 states. [2021-11-03 04:41:16,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1572 to 967. [2021-11-03 04:41:16,541 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) [2021-11-03 04:41:16,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 967 states to 967 states and 1130 transitions. [2021-11-03 04:41:16,544 INFO L78 Accepts]: Start accepts. Automaton has 967 states and 1130 transitions. Word has length 54 [2021-11-03 04:41:16,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:41:16,544 INFO L470 AbstractCegarLoop]: Abstraction has 967 states and 1130 transitions. [2021-11-03 04:41:16,545 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) [2021-11-03 04:41:16,545 INFO L276 IsEmpty]: Start isEmpty. Operand 967 states and 1130 transitions. [2021-11-03 04:41:16,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-03 04:41:16,551 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:41:16,551 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] [2021-11-03 04:41:16,587 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2021-11-03 04:41:16,767 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:41:16,768 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)] === [2021-11-03 04:41:16,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:41:16,768 INFO L85 PathProgramCache]: Analyzing trace with hash -1078199877, now seen corresponding path program 1 times [2021-11-03 04:41:16,770 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:41:16,770 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1620001869] [2021-11-03 04:41:16,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:41:16,770 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:41:16,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:41:16,772 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:41:16,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-11-03 04:41:17,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:41:18,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 844 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 04:41:18,047 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:41:18,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:41:18,300 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:41:18,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:41:18,585 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:41:18,585 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1620001869] [2021-11-03 04:41:18,585 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1620001869] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:41:18,585 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:41:18,585 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 04:41:18,586 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104997551] [2021-11-03 04:41:18,586 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 04:41:18,586 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:41:18,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 04:41:18,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:41:18,587 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) [2021-11-03 04:41:18,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:41:18,676 INFO L93 Difference]: Finished difference Result 967 states and 1130 transitions. [2021-11-03 04:41:18,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:41:18,676 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 [2021-11-03 04:41:18,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:41:18,682 INFO L225 Difference]: With dead ends: 967 [2021-11-03 04:41:18,682 INFO L226 Difference]: Without dead ends: 963 [2021-11-03 04:41:18,683 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 [2021-11-03 04:41:18,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2021-11-03 04:41:18,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 963. [2021-11-03 04:41:18,802 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) [2021-11-03 04:41:18,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 963 states and 1126 transitions. [2021-11-03 04:41:18,805 INFO L78 Accepts]: Start accepts. Automaton has 963 states and 1126 transitions. Word has length 55 [2021-11-03 04:41:18,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:41:18,806 INFO L470 AbstractCegarLoop]: Abstraction has 963 states and 1126 transitions. [2021-11-03 04:41:18,806 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) [2021-11-03 04:41:18,806 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1126 transitions. [2021-11-03 04:41:18,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-03 04:41:18,807 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:41:18,807 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] [2021-11-03 04:41:18,836 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2021-11-03 04:41:19,019 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:41:19,020 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)] === [2021-11-03 04:41:19,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:41:19,020 INFO L85 PathProgramCache]: Analyzing trace with hash -1062795009, now seen corresponding path program 1 times [2021-11-03 04:41:19,021 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:41:19,021 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1405016901] [2021-11-03 04:41:19,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:41:19,021 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:41:19,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:41:19,022 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:41:19,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2021-11-03 04:41:20,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:41:20,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 847 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 04:41:20,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:41:20,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:41:20,741 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:41:21,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:41:21,333 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:41:21,333 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1405016901] [2021-11-03 04:41:21,334 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1405016901] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:41:21,334 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:41:21,334 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-11-03 04:41:21,334 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69178058] [2021-11-03 04:41:21,335 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-03 04:41:21,335 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:41:21,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-03 04:41:21,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-03 04:41:21,336 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) [2021-11-03 04:41:21,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:41:21,434 INFO L93 Difference]: Finished difference Result 963 states and 1126 transitions. [2021-11-03 04:41:21,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:41:21,435 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 [2021-11-03 04:41:21,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:41:21,440 INFO L225 Difference]: With dead ends: 963 [2021-11-03 04:41:21,440 INFO L226 Difference]: Without dead ends: 959 [2021-11-03 04:41:21,441 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 [2021-11-03 04:41:21,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 959 states. [2021-11-03 04:41:21,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 959 to 959. [2021-11-03 04:41:21,558 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) [2021-11-03 04:41:21,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 959 states to 959 states and 1122 transitions. [2021-11-03 04:41:21,561 INFO L78 Accepts]: Start accepts. Automaton has 959 states and 1122 transitions. Word has length 57 [2021-11-03 04:41:21,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:41:21,561 INFO L470 AbstractCegarLoop]: Abstraction has 959 states and 1122 transitions. [2021-11-03 04:41:21,561 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) [2021-11-03 04:41:21,562 INFO L276 IsEmpty]: Start isEmpty. Operand 959 states and 1122 transitions. [2021-11-03 04:41:21,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-03 04:41:21,562 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:41:21,563 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] [2021-11-03 04:41:21,595 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2021-11-03 04:41:21,783 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:41:21,784 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)] === [2021-11-03 04:41:21,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:41:21,784 INFO L85 PathProgramCache]: Analyzing trace with hash 2101083968, now seen corresponding path program 1 times [2021-11-03 04:41:21,786 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:41:21,786 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1589371557] [2021-11-03 04:41:21,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:41:21,786 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:41:21,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:41:21,787 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:41:21,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-11-03 04:41:23,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:41:23,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 1042 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 04:41:23,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:41:23,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:41:23,686 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:41:23,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:41:23,939 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:41:23,940 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1589371557] [2021-11-03 04:41:23,940 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1589371557] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:41:23,940 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:41:23,940 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-11-03 04:41:23,940 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548045751] [2021-11-03 04:41:23,940 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:41:23,941 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:41:23,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:41:23,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:41:23,942 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) [2021-11-03 04:41:24,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:41:24,037 INFO L93 Difference]: Finished difference Result 1834 states and 2155 transitions. [2021-11-03 04:41:24,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 04:41:24,037 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 [2021-11-03 04:41:24,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:41:24,042 INFO L225 Difference]: With dead ends: 1834 [2021-11-03 04:41:24,042 INFO L226 Difference]: Without dead ends: 935 [2021-11-03 04:41:24,044 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 [2021-11-03 04:41:24,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 935 states. [2021-11-03 04:41:24,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 935 to 935. [2021-11-03 04:41:24,165 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) [2021-11-03 04:41:24,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 935 states and 1090 transitions. [2021-11-03 04:41:24,167 INFO L78 Accepts]: Start accepts. Automaton has 935 states and 1090 transitions. Word has length 57 [2021-11-03 04:41:24,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:41:24,168 INFO L470 AbstractCegarLoop]: Abstraction has 935 states and 1090 transitions. [2021-11-03 04:41:24,168 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) [2021-11-03 04:41:24,168 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1090 transitions. [2021-11-03 04:41:24,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-03 04:41:24,169 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:41:24,169 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] [2021-11-03 04:41:24,206 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2021-11-03 04:41:24,383 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:41:24,384 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)] === [2021-11-03 04:41:24,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:41:24,384 INFO L85 PathProgramCache]: Analyzing trace with hash 856381603, now seen corresponding path program 1 times [2021-11-03 04:41:24,385 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:41:24,385 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [679818406] [2021-11-03 04:41:24,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:41:24,385 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:41:24,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:41:24,386 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:41:24,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2021-11-03 04:41:25,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:41:25,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 850 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 04:41:25,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:41:26,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:41:26,113 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:41:26,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:41:26,385 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:41:26,385 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [679818406] [2021-11-03 04:41:26,385 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [679818406] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:41:26,385 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:41:26,385 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 04:41:26,385 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640765042] [2021-11-03 04:41:26,386 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 04:41:26,386 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:41:26,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 04:41:26,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:41:26,387 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) [2021-11-03 04:41:26,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:41:26,483 INFO L93 Difference]: Finished difference Result 935 states and 1090 transitions. [2021-11-03 04:41:26,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:41:26,483 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 [2021-11-03 04:41:26,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:41:26,488 INFO L225 Difference]: With dead ends: 935 [2021-11-03 04:41:26,488 INFO L226 Difference]: Without dead ends: 931 [2021-11-03 04:41:26,488 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 [2021-11-03 04:41:26,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 931 states. [2021-11-03 04:41:26,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 931 to 931. [2021-11-03 04:41:26,570 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) [2021-11-03 04:41:26,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 931 states to 931 states and 1086 transitions. [2021-11-03 04:41:26,572 INFO L78 Accepts]: Start accepts. Automaton has 931 states and 1086 transitions. Word has length 59 [2021-11-03 04:41:26,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:41:26,573 INFO L470 AbstractCegarLoop]: Abstraction has 931 states and 1086 transitions. [2021-11-03 04:41:26,573 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) [2021-11-03 04:41:26,573 INFO L276 IsEmpty]: Start isEmpty. Operand 931 states and 1086 transitions. [2021-11-03 04:41:26,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-03 04:41:26,574 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:41:26,574 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] [2021-11-03 04:41:26,600 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2021-11-03 04:41:26,787 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:41:26,788 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)] === [2021-11-03 04:41:26,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:41:26,788 INFO L85 PathProgramCache]: Analyzing trace with hash 2077345727, now seen corresponding path program 1 times [2021-11-03 04:41:26,789 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:41:26,789 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2111658159] [2021-11-03 04:41:26,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:41:26,790 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:41:26,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:41:26,790 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:41:26,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2021-11-03 04:41:28,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:41:28,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 979 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-03 04:41:28,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:41:28,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:41:28,758 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:41:29,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:41:29,568 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:41:29,568 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2111658159] [2021-11-03 04:41:29,568 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2111658159] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:41:29,568 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:41:29,568 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15, 15] imperfect sequences [] total 27 [2021-11-03 04:41:29,569 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677253391] [2021-11-03 04:41:29,569 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2021-11-03 04:41:29,569 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:41:29,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-11-03 04:41:29,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=639, Unknown=0, NotChecked=0, Total=702 [2021-11-03 04:41:29,570 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) [2021-11-03 04:41:30,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:41:30,919 INFO L93 Difference]: Finished difference Result 1538 states and 1797 transitions. [2021-11-03 04:41:30,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-03 04:41:30,921 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 [2021-11-03 04:41:30,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:41:30,924 INFO L225 Difference]: With dead ends: 1538 [2021-11-03 04:41:30,924 INFO L226 Difference]: Without dead ends: 999 [2021-11-03 04:41:30,926 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=305, Invalid=1101, Unknown=0, NotChecked=0, Total=1406 [2021-11-03 04:41:30,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 999 states. [2021-11-03 04:41:31,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 999 to 946. [2021-11-03 04:41:31,003 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) [2021-11-03 04:41:31,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 946 states to 946 states and 1101 transitions. [2021-11-03 04:41:31,005 INFO L78 Accepts]: Start accepts. Automaton has 946 states and 1101 transitions. Word has length 60 [2021-11-03 04:41:31,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:41:31,005 INFO L470 AbstractCegarLoop]: Abstraction has 946 states and 1101 transitions. [2021-11-03 04:41:31,006 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) [2021-11-03 04:41:31,006 INFO L276 IsEmpty]: Start isEmpty. Operand 946 states and 1101 transitions. [2021-11-03 04:41:31,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-03 04:41:31,007 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:41:31,007 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] [2021-11-03 04:41:31,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2021-11-03 04:41:31,211 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:41:31,212 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)] === [2021-11-03 04:41:31,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:41:31,212 INFO L85 PathProgramCache]: Analyzing trace with hash -1341602563, now seen corresponding path program 1 times [2021-11-03 04:41:31,213 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:41:31,213 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [273240718] [2021-11-03 04:41:31,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:41:31,213 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:41:31,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:41:31,214 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:41:31,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2021-11-03 04:41:32,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:41:32,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 978 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-03 04:41:32,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:41:33,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:41:33,013 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:41:33,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:41:33,190 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:41:33,190 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [273240718] [2021-11-03 04:41:33,190 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [273240718] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:41:33,190 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:41:33,190 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-03 04:41:33,190 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218273431] [2021-11-03 04:41:33,191 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 04:41:33,191 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:41:33,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 04:41:33,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:41:33,192 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) [2021-11-03 04:41:33,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:41:33,653 INFO L93 Difference]: Finished difference Result 1604 states and 1862 transitions. [2021-11-03 04:41:33,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-03 04:41:33,655 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 [2021-11-03 04:41:33,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:41:33,659 INFO L225 Difference]: With dead ends: 1604 [2021-11-03 04:41:33,659 INFO L226 Difference]: Without dead ends: 997 [2021-11-03 04:41:33,660 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 [2021-11-03 04:41:33,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 997 states. [2021-11-03 04:41:33,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 997 to 944. [2021-11-03 04:41:33,775 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) [2021-11-03 04:41:33,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 944 states to 944 states and 1098 transitions. [2021-11-03 04:41:33,776 INFO L78 Accepts]: Start accepts. Automaton has 944 states and 1098 transitions. Word has length 60 [2021-11-03 04:41:33,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:41:33,776 INFO L470 AbstractCegarLoop]: Abstraction has 944 states and 1098 transitions. [2021-11-03 04:41:33,777 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) [2021-11-03 04:41:33,777 INFO L276 IsEmpty]: Start isEmpty. Operand 944 states and 1098 transitions. [2021-11-03 04:41:33,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-03 04:41:33,777 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:41:33,777 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] [2021-11-03 04:41:33,797 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (23)] Ended with exit code 0 [2021-11-03 04:41:33,977 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:41:33,978 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)] === [2021-11-03 04:41:33,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:41:33,978 INFO L85 PathProgramCache]: Analyzing trace with hash -1650831193, now seen corresponding path program 1 times [2021-11-03 04:41:33,979 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:41:33,979 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [644606452] [2021-11-03 04:41:33,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:41:33,979 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:41:33,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:41:33,980 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:41:33,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2021-11-03 04:41:35,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:41:35,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 853 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 04:41:35,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:41:35,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:41:35,787 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:41:36,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:41:36,046 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:41:36,046 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [644606452] [2021-11-03 04:41:36,046 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [644606452] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:41:36,047 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:41:36,047 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 04:41:36,047 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958885413] [2021-11-03 04:41:36,047 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 04:41:36,047 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:41:36,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 04:41:36,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:41:36,048 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) [2021-11-03 04:41:36,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:41:36,190 INFO L93 Difference]: Finished difference Result 944 states and 1098 transitions. [2021-11-03 04:41:36,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:41:36,191 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 [2021-11-03 04:41:36,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:41:36,194 INFO L225 Difference]: With dead ends: 944 [2021-11-03 04:41:36,195 INFO L226 Difference]: Without dead ends: 940 [2021-11-03 04:41:36,195 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 [2021-11-03 04:41:36,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 940 states. [2021-11-03 04:41:36,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 940 to 940. [2021-11-03 04:41:36,308 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) [2021-11-03 04:41:36,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 940 states to 940 states and 1094 transitions. [2021-11-03 04:41:36,309 INFO L78 Accepts]: Start accepts. Automaton has 940 states and 1094 transitions. Word has length 61 [2021-11-03 04:41:36,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:41:36,310 INFO L470 AbstractCegarLoop]: Abstraction has 940 states and 1094 transitions. [2021-11-03 04:41:36,310 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) [2021-11-03 04:41:36,310 INFO L276 IsEmpty]: Start isEmpty. Operand 940 states and 1094 transitions. [2021-11-03 04:41:36,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-03 04:41:36,310 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:41:36,310 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] [2021-11-03 04:41:36,328 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (24)] Forceful destruction successful, exit code 0 [2021-11-03 04:41:36,511 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:41:36,511 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)] === [2021-11-03 04:41:36,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:41:36,511 INFO L85 PathProgramCache]: Analyzing trace with hash -1605674741, now seen corresponding path program 1 times [2021-11-03 04:41:36,512 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:41:36,513 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [935385145] [2021-11-03 04:41:36,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:41:36,513 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:41:36,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:41:36,514 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:41:36,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2021-11-03 04:41:37,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:41:37,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 856 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 04:41:37,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:41:38,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:41:38,287 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:41:38,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:41:38,563 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:41:38,563 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [935385145] [2021-11-03 04:41:38,563 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [935385145] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:41:38,563 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:41:38,564 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 04:41:38,564 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762491784] [2021-11-03 04:41:38,564 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 04:41:38,564 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:41:38,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 04:41:38,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:41:38,565 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) [2021-11-03 04:41:38,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:41:38,667 INFO L93 Difference]: Finished difference Result 940 states and 1094 transitions. [2021-11-03 04:41:38,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:41:38,667 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 [2021-11-03 04:41:38,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:41:38,671 INFO L225 Difference]: With dead ends: 940 [2021-11-03 04:41:38,671 INFO L226 Difference]: Without dead ends: 936 [2021-11-03 04:41:38,671 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 [2021-11-03 04:41:38,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 936 states. [2021-11-03 04:41:38,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 936 to 936. [2021-11-03 04:41:38,755 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) [2021-11-03 04:41:38,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 936 states and 1090 transitions. [2021-11-03 04:41:38,757 INFO L78 Accepts]: Start accepts. Automaton has 936 states and 1090 transitions. Word has length 63 [2021-11-03 04:41:38,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:41:38,757 INFO L470 AbstractCegarLoop]: Abstraction has 936 states and 1090 transitions. [2021-11-03 04:41:38,757 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) [2021-11-03 04:41:38,757 INFO L276 IsEmpty]: Start isEmpty. Operand 936 states and 1090 transitions. [2021-11-03 04:41:38,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-03 04:41:38,758 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:41:38,758 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] [2021-11-03 04:41:38,779 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (25)] Forceful destruction successful, exit code 0 [2021-11-03 04:41:38,967 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:41:38,968 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)] === [2021-11-03 04:41:38,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:41:38,968 INFO L85 PathProgramCache]: Analyzing trace with hash -1159996977, now seen corresponding path program 1 times [2021-11-03 04:41:38,969 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:41:38,969 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [544944897] [2021-11-03 04:41:38,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:41:38,969 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:41:38,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:41:38,970 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:41:38,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2021-11-03 04:41:40,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:41:40,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 859 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 04:41:40,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:41:40,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:41:40,812 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:41:41,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:41:41,130 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:41:41,130 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [544944897] [2021-11-03 04:41:41,130 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [544944897] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:41:41,130 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:41:41,130 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 04:41:41,130 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157579157] [2021-11-03 04:41:41,131 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 04:41:41,131 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:41:41,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 04:41:41,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:41:41,132 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) [2021-11-03 04:41:41,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:41:41,262 INFO L93 Difference]: Finished difference Result 936 states and 1090 transitions. [2021-11-03 04:41:41,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:41:41,262 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 [2021-11-03 04:41:41,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:41:41,266 INFO L225 Difference]: With dead ends: 936 [2021-11-03 04:41:41,266 INFO L226 Difference]: Without dead ends: 932 [2021-11-03 04:41:41,266 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 [2021-11-03 04:41:41,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 932 states. [2021-11-03 04:41:41,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 932 to 932. [2021-11-03 04:41:41,353 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) [2021-11-03 04:41:41,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 932 states to 932 states and 1086 transitions. [2021-11-03 04:41:41,355 INFO L78 Accepts]: Start accepts. Automaton has 932 states and 1086 transitions. Word has length 65 [2021-11-03 04:41:41,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:41:41,355 INFO L470 AbstractCegarLoop]: Abstraction has 932 states and 1086 transitions. [2021-11-03 04:41:41,356 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) [2021-11-03 04:41:41,356 INFO L276 IsEmpty]: Start isEmpty. Operand 932 states and 1086 transitions. [2021-11-03 04:41:41,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-03 04:41:41,357 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:41:41,357 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] [2021-11-03 04:41:41,376 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (26)] Forceful destruction successful, exit code 0 [2021-11-03 04:41:41,560 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:41:41,560 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)] === [2021-11-03 04:41:41,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:41:41,561 INFO L85 PathProgramCache]: Analyzing trace with hash 1934572275, now seen corresponding path program 1 times [2021-11-03 04:41:41,562 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:41:41,563 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [216708102] [2021-11-03 04:41:41,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:41:41,563 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:41:41,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:41:41,563 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:41:41,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2021-11-03 04:41:43,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:41:43,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 862 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 04:41:43,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:41:43,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:41:43,394 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:41:43,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:41:43,693 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:41:43,693 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [216708102] [2021-11-03 04:41:43,693 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [216708102] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:41:43,693 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:41:43,693 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 04:41:43,694 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846380981] [2021-11-03 04:41:43,694 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 04:41:43,694 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:41:43,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 04:41:43,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:41:43,695 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) [2021-11-03 04:41:43,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:41:43,808 INFO L93 Difference]: Finished difference Result 932 states and 1086 transitions. [2021-11-03 04:41:43,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:41:43,808 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 [2021-11-03 04:41:43,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:41:43,813 INFO L225 Difference]: With dead ends: 932 [2021-11-03 04:41:43,813 INFO L226 Difference]: Without dead ends: 928 [2021-11-03 04:41:43,813 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 [2021-11-03 04:41:43,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 928 states. [2021-11-03 04:41:43,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 928 to 928. [2021-11-03 04:41:43,904 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) [2021-11-03 04:41:43,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 928 states to 928 states and 1082 transitions. [2021-11-03 04:41:43,906 INFO L78 Accepts]: Start accepts. Automaton has 928 states and 1082 transitions. Word has length 67 [2021-11-03 04:41:43,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:41:43,907 INFO L470 AbstractCegarLoop]: Abstraction has 928 states and 1082 transitions. [2021-11-03 04:41:43,907 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) [2021-11-03 04:41:43,907 INFO L276 IsEmpty]: Start isEmpty. Operand 928 states and 1082 transitions. [2021-11-03 04:41:43,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-03 04:41:43,908 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:41:43,908 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] [2021-11-03 04:41:43,930 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (27)] Forceful destruction successful, exit code 0 [2021-11-03 04:41:44,119 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:41:44,120 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)] === [2021-11-03 04:41:44,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:41:44,120 INFO L85 PathProgramCache]: Analyzing trace with hash 1501423891, now seen corresponding path program 1 times [2021-11-03 04:41:44,121 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:41:44,121 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [531468759] [2021-11-03 04:41:44,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:41:44,122 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:41:44,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:41:44,122 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:41:44,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2021-11-03 04:41:45,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:41:45,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 1072 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 04:41:45,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:41:46,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:41:46,163 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:41:46,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:41:46,323 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:41:46,323 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [531468759] [2021-11-03 04:41:46,323 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [531468759] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:41:46,323 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:41:46,324 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 04:41:46,324 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416522137] [2021-11-03 04:41:46,324 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:41:46,324 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:41:46,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:41:46,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:41:46,325 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) [2021-11-03 04:41:46,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:41:46,549 INFO L93 Difference]: Finished difference Result 1614 states and 1888 transitions. [2021-11-03 04:41:46,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 04:41:46,549 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 [2021-11-03 04:41:46,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:41:46,554 INFO L225 Difference]: With dead ends: 1614 [2021-11-03 04:41:46,554 INFO L226 Difference]: Without dead ends: 925 [2021-11-03 04:41:46,555 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 [2021-11-03 04:41:46,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 925 states. [2021-11-03 04:41:46,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 925 to 925. [2021-11-03 04:41:46,648 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) [2021-11-03 04:41:46,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 925 states and 1078 transitions. [2021-11-03 04:41:46,650 INFO L78 Accepts]: Start accepts. Automaton has 925 states and 1078 transitions. Word has length 68 [2021-11-03 04:41:46,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:41:46,650 INFO L470 AbstractCegarLoop]: Abstraction has 925 states and 1078 transitions. [2021-11-03 04:41:46,650 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) [2021-11-03 04:41:46,650 INFO L276 IsEmpty]: Start isEmpty. Operand 925 states and 1078 transitions. [2021-11-03 04:41:46,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-03 04:41:46,651 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:41:46,651 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] [2021-11-03 04:41:46,681 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (28)] Forceful destruction successful, exit code 0 [2021-11-03 04:41:46,875 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:41:46,876 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)] === [2021-11-03 04:41:46,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:41:46,876 INFO L85 PathProgramCache]: Analyzing trace with hash -596712329, now seen corresponding path program 1 times [2021-11-03 04:41:46,877 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:41:46,877 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [622390304] [2021-11-03 04:41:46,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:41:46,877 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:41:46,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:41:46,878 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:41:46,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (29)] Waiting until timeout for monitored process [2021-11-03 04:41:48,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:41:48,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 865 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 04:41:48,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:41:48,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:41:48,747 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:41:49,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:41:49,034 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:41:49,034 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [622390304] [2021-11-03 04:41:49,034 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [622390304] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:41:49,034 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:41:49,034 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 04:41:49,035 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296437276] [2021-11-03 04:41:49,035 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 04:41:49,035 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:41:49,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 04:41:49,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:41:49,035 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) [2021-11-03 04:41:49,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:41:49,529 INFO L93 Difference]: Finished difference Result 1704 states and 1994 transitions. [2021-11-03 04:41:49,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:41:49,530 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 [2021-11-03 04:41:49,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:41:49,546 INFO L225 Difference]: With dead ends: 1704 [2021-11-03 04:41:49,546 INFO L226 Difference]: Without dead ends: 1594 [2021-11-03 04:41:49,547 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 [2021-11-03 04:41:49,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1594 states. [2021-11-03 04:41:49,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1594 to 1510. [2021-11-03 04:41:49,770 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) [2021-11-03 04:41:49,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1510 states to 1510 states and 1828 transitions. [2021-11-03 04:41:49,772 INFO L78 Accepts]: Start accepts. Automaton has 1510 states and 1828 transitions. Word has length 69 [2021-11-03 04:41:49,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:41:49,772 INFO L470 AbstractCegarLoop]: Abstraction has 1510 states and 1828 transitions. [2021-11-03 04:41:49,772 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) [2021-11-03 04:41:49,773 INFO L276 IsEmpty]: Start isEmpty. Operand 1510 states and 1828 transitions. [2021-11-03 04:41:49,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-03 04:41:49,773 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:41:49,774 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:41:49,792 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (29)] Forceful destruction successful, exit code 0 [2021-11-03 04:41:49,975 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:41:49,976 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)] === [2021-11-03 04:41:49,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:41:49,976 INFO L85 PathProgramCache]: Analyzing trace with hash 1455051901, now seen corresponding path program 1 times [2021-11-03 04:41:49,977 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:41:49,977 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1037985646] [2021-11-03 04:41:49,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:41:49,978 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:41:49,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:41:49,978 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:41:49,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (30)] Waiting until timeout for monitored process [2021-11-03 04:41:51,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:41:51,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 1076 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 04:41:51,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:41:52,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:41:52,045 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:41:52,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:41:52,215 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:41:52,215 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1037985646] [2021-11-03 04:41:52,215 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1037985646] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:41:52,215 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:41:52,215 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 04:41:52,215 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216566080] [2021-11-03 04:41:52,215 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:41:52,216 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:41:52,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:41:52,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:41:52,216 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) [2021-11-03 04:41:52,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:41:52,499 INFO L93 Difference]: Finished difference Result 2704 states and 3288 transitions. [2021-11-03 04:41:52,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 04:41:52,500 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 [2021-11-03 04:41:52,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:41:52,502 INFO L225 Difference]: With dead ends: 2704 [2021-11-03 04:41:52,502 INFO L226 Difference]: Without dead ends: 1506 [2021-11-03 04:41:52,504 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 [2021-11-03 04:41:52,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1506 states. [2021-11-03 04:41:52,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1506 to 1506. [2021-11-03 04:41:52,693 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) [2021-11-03 04:41:52,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1506 states to 1506 states and 1821 transitions. [2021-11-03 04:41:52,694 INFO L78 Accepts]: Start accepts. Automaton has 1506 states and 1821 transitions. Word has length 71 [2021-11-03 04:41:52,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:41:52,694 INFO L470 AbstractCegarLoop]: Abstraction has 1506 states and 1821 transitions. [2021-11-03 04:41:52,694 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) [2021-11-03 04:41:52,695 INFO L276 IsEmpty]: Start isEmpty. Operand 1506 states and 1821 transitions. [2021-11-03 04:41:52,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-03 04:41:52,695 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:41:52,696 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] [2021-11-03 04:41:52,740 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (30)] Forceful destruction successful, exit code 0 [2021-11-03 04:41:52,919 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:41:52,920 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)] === [2021-11-03 04:41:52,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:41:52,920 INFO L85 PathProgramCache]: Analyzing trace with hash -1858370083, now seen corresponding path program 1 times [2021-11-03 04:41:52,921 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:41:52,921 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1523554528] [2021-11-03 04:41:52,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:41:52,922 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:41:52,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:41:52,922 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:41:52,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (31)] Waiting until timeout for monitored process [2021-11-03 04:41:54,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:41:55,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 1171 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-03 04:41:55,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:41:55,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:41:55,339 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:41:55,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:41:55,627 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:41:55,627 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1523554528] [2021-11-03 04:41:55,627 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1523554528] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:41:55,627 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:41:55,627 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-11-03 04:41:55,627 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250080780] [2021-11-03 04:41:55,627 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-03 04:41:55,628 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:41:55,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-03 04:41:55,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-03 04:41:55,628 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) [2021-11-03 04:42:07,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:42:07,230 INFO L93 Difference]: Finished difference Result 11046 states and 13511 transitions. [2021-11-03 04:42:07,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-03 04:42:07,231 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 [2021-11-03 04:42:07,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:42:07,243 INFO L225 Difference]: With dead ends: 11046 [2021-11-03 04:42:07,243 INFO L226 Difference]: Without dead ends: 9607 [2021-11-03 04:42:07,248 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=92, Invalid=214, Unknown=0, NotChecked=0, Total=306 [2021-11-03 04:42:07,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9607 states. [2021-11-03 04:42:07,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9607 to 1510. [2021-11-03 04:42:07,622 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) [2021-11-03 04:42:07,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1510 states to 1510 states and 1825 transitions. [2021-11-03 04:42:07,623 INFO L78 Accepts]: Start accepts. Automaton has 1510 states and 1825 transitions. Word has length 76 [2021-11-03 04:42:07,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:42:07,624 INFO L470 AbstractCegarLoop]: Abstraction has 1510 states and 1825 transitions. [2021-11-03 04:42:07,624 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) [2021-11-03 04:42:07,624 INFO L276 IsEmpty]: Start isEmpty. Operand 1510 states and 1825 transitions. [2021-11-03 04:42:07,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-03 04:42:07,624 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:42:07,625 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:42:07,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (31)] Ended with exit code 0 [2021-11-03 04:42:07,825 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:42:07,825 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)] === [2021-11-03 04:42:07,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:42:07,826 INFO L85 PathProgramCache]: Analyzing trace with hash 2125252480, now seen corresponding path program 1 times [2021-11-03 04:42:07,827 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:42:07,827 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1023179863] [2021-11-03 04:42:07,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:42:07,827 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:42:07,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:42:07,828 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:42:07,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (32)] Waiting until timeout for monitored process [2021-11-03 04:42:09,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:42:10,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 1191 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-03 04:42:10,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:42:10,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:42:10,348 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:42:10,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:42:10,525 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:42:10,525 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1023179863] [2021-11-03 04:42:10,525 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1023179863] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:42:10,525 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:42:10,525 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-03 04:42:10,525 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515410630] [2021-11-03 04:42:10,526 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:42:10,526 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:42:10,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:42:10,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:42:10,526 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) [2021-11-03 04:42:17,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:42:17,109 INFO L93 Difference]: Finished difference Result 6069 states and 7351 transitions. [2021-11-03 04:42:17,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-03 04:42:17,110 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 [2021-11-03 04:42:17,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:42:17,120 INFO L225 Difference]: With dead ends: 6069 [2021-11-03 04:42:17,120 INFO L226 Difference]: Without dead ends: 4837 [2021-11-03 04:42:17,123 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 [2021-11-03 04:42:17,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4837 states. [2021-11-03 04:42:17,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4837 to 1510. [2021-11-03 04:42:17,487 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) [2021-11-03 04:42:17,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1510 states to 1510 states and 1823 transitions. [2021-11-03 04:42:17,489 INFO L78 Accepts]: Start accepts. Automaton has 1510 states and 1823 transitions. Word has length 81 [2021-11-03 04:42:17,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:42:17,489 INFO L470 AbstractCegarLoop]: Abstraction has 1510 states and 1823 transitions. [2021-11-03 04:42:17,489 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) [2021-11-03 04:42:17,489 INFO L276 IsEmpty]: Start isEmpty. Operand 1510 states and 1823 transitions. [2021-11-03 04:42:17,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-03 04:42:17,490 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:42:17,490 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] [2021-11-03 04:42:17,521 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (32)] Forceful destruction successful, exit code 0 [2021-11-03 04:42:17,695 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:42:17,696 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)] === [2021-11-03 04:42:17,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:42:17,696 INFO L85 PathProgramCache]: Analyzing trace with hash 302254574, now seen corresponding path program 1 times [2021-11-03 04:42:17,698 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:42:17,698 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1788839673] [2021-11-03 04:42:17,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:42:17,698 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:42:17,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:42:17,699 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:42:17,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (33)] Waiting until timeout for monitored process [2021-11-03 04:42:25,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:42:26,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 1200 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-03 04:42:26,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:42:26,237 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:42:26,237 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:42:26,238 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:42:26,361 INFO L354 Elim1Store]: treesize reduction 190, result has 12.8 percent of original size [2021-11-03 04:42:26,361 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 [2021-11-03 04:42:26,790 INFO L354 Elim1Store]: treesize reduction 72, result has 1.4 percent of original size [2021-11-03 04:42:26,790 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 [2021-11-03 04:42:26,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:42:26,847 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:42:27,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:42:27,236 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:42:27,236 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1788839673] [2021-11-03 04:42:27,236 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1788839673] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:42:27,236 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:42:27,236 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-03 04:42:27,236 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982480881] [2021-11-03 04:42:27,237 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 04:42:27,237 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:42:27,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 04:42:27,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:42:27,237 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) [2021-11-03 04:43:25,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:43:25,497 INFO L93 Difference]: Finished difference Result 4375 states and 5323 transitions. [2021-11-03 04:43:25,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-03 04:43:25,499 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 [2021-11-03 04:43:25,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:43:25,504 INFO L225 Difference]: With dead ends: 4375 [2021-11-03 04:43:25,504 INFO L226 Difference]: Without dead ends: 3139 [2021-11-03 04:43:25,506 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 164 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-03 04:43:25,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3139 states. [2021-11-03 04:43:25,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3139 to 1532. [2021-11-03 04:43:25,898 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) [2021-11-03 04:43:25,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1532 states to 1532 states and 1849 transitions. [2021-11-03 04:43:25,900 INFO L78 Accepts]: Start accepts. Automaton has 1532 states and 1849 transitions. Word has length 85 [2021-11-03 04:43:25,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:43:25,900 INFO L470 AbstractCegarLoop]: Abstraction has 1532 states and 1849 transitions. [2021-11-03 04:43:25,901 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) [2021-11-03 04:43:25,901 INFO L276 IsEmpty]: Start isEmpty. Operand 1532 states and 1849 transitions. [2021-11-03 04:43:25,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-03 04:43:25,901 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:43:25,901 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] [2021-11-03 04:43:25,950 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (33)] Forceful destruction successful, exit code 0 [2021-11-03 04:43:26,102 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:43:26,102 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)] === [2021-11-03 04:43:26,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:43:26,102 INFO L85 PathProgramCache]: Analyzing trace with hash 359512876, now seen corresponding path program 1 times [2021-11-03 04:43:26,104 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:43:26,104 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1221715032] [2021-11-03 04:43:26,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:43:26,104 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:43:26,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:43:26,105 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:43:26,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (34)] Waiting until timeout for monitored process [2021-11-03 04:43:38,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:43:38,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 1197 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-03 04:43:38,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:43:40,270 INFO L354 Elim1Store]: treesize reduction 839, result has 3.2 percent of original size [2021-11-03 04:43:40,271 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 [2021-11-03 04:43:40,279 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:43:40,284 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 202 [2021-11-03 04:43:40,294 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 [2021-11-03 04:43:42,215 INFO L354 Elim1Store]: treesize reduction 4790, result has 1.9 percent of original size [2021-11-03 04:43:42,215 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 [2021-11-03 04:43:42,331 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:43:42,335 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 242 [2021-11-03 04:43:42,348 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:43:42,350 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 447 [2021-11-03 04:43:42,376 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 [2021-11-03 04:43:42,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:42,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:43,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:43,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:43,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:43,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:43,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:43,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:43,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:43,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:43,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:43:43,025 INFO L244 Elim1Store]: Index analysis took 477 ms [2021-11-03 04:43:43,035 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 [2021-11-03 04:43:44,972 INFO L354 Elim1Store]: treesize reduction 180, result has 0.6 percent of original size [2021-11-03 04:43:44,973 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 [2021-11-03 04:43:44,982 INFO L354 Elim1Store]: treesize reduction 180, result has 0.6 percent of original size [2021-11-03 04:43:44,983 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 [2021-11-03 04:43:45,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:43:45,040 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:43:45,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:43:45,438 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:43:45,438 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1221715032] [2021-11-03 04:43:45,438 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1221715032] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:43:45,438 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:43:45,439 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-03 04:43:45,439 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464512199] [2021-11-03 04:43:45,439 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-03 04:43:45,439 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:43:45,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-03 04:43:45,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-03 04:43:45,440 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) [2021-11-03 04:46:30,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:46:30,522 INFO L93 Difference]: Finished difference Result 7429 states and 8808 transitions. [2021-11-03 04:46:30,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-03 04:46:30,528 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 [2021-11-03 04:46:30,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:46:30,544 INFO L225 Difference]: With dead ends: 7429 [2021-11-03 04:46:30,545 INFO L226 Difference]: Without dead ends: 6725 [2021-11-03 04:46:30,547 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2021-11-03 04:46:30,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6725 states. [2021-11-03 04:46:31,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6725 to 1576. [2021-11-03 04:46:31,066 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) [2021-11-03 04:46:31,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1576 states and 1901 transitions. [2021-11-03 04:46:31,068 INFO L78 Accepts]: Start accepts. Automaton has 1576 states and 1901 transitions. Word has length 85 [2021-11-03 04:46:31,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:46:31,069 INFO L470 AbstractCegarLoop]: Abstraction has 1576 states and 1901 transitions. [2021-11-03 04:46:31,069 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) [2021-11-03 04:46:31,069 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 1901 transitions. [2021-11-03 04:46:31,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-03 04:46:31,070 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:46:31,070 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] [2021-11-03 04:46:31,137 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (34)] Ended with exit code 0 [2021-11-03 04:46:31,291 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:46:31,292 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)] === [2021-11-03 04:46:31,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:46:31,292 INFO L85 PathProgramCache]: Analyzing trace with hash -1343890774, now seen corresponding path program 1 times [2021-11-03 04:46:31,294 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:46:31,294 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [274027117] [2021-11-03 04:46:31,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:46:31,294 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:46:31,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:46:31,295 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:46:31,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (35)] Waiting until timeout for monitored process [2021-11-03 04:46:41,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:46:41,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 1203 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-03 04:46:41,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:46:42,094 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:46:42,100 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 124 [2021-11-03 04:46:42,103 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:46:42,105 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 110 [2021-11-03 04:46:42,116 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:46:42,117 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:46:42,117 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:46:44,006 INFO L354 Elim1Store]: treesize reduction 2636, result has 3.3 percent of original size [2021-11-03 04:46:44,007 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 [2021-11-03 04:46:44,013 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:46:44,013 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:46:44,014 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:46:45,284 INFO L354 Elim1Store]: treesize reduction 1702, result has 5.5 percent of original size [2021-11-03 04:46:45,285 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 [2021-11-03 04:46:46,966 INFO L354 Elim1Store]: treesize reduction 792, result has 0.1 percent of original size [2021-11-03 04:46:46,966 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 [2021-11-03 04:46:47,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:46:47,072 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:46:47,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:46:47,532 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:46:47,533 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [274027117] [2021-11-03 04:46:47,533 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [274027117] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:46:47,533 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:46:47,533 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2021-11-03 04:46:47,533 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643387411] [2021-11-03 04:46:47,533 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-03 04:46:47,533 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:46:47,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-03 04:46:47,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-03 04:46:47,534 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) [2021-11-03 04:48:11,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:48:11,480 INFO L93 Difference]: Finished difference Result 6116 states and 7410 transitions. [2021-11-03 04:48:11,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-03 04:48:11,488 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 [2021-11-03 04:48:11,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:48:11,497 INFO L225 Difference]: With dead ends: 6116 [2021-11-03 04:48:11,497 INFO L226 Difference]: Without dead ends: 4868 [2021-11-03 04:48:11,500 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 164 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-11-03 04:48:11,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4868 states. [2021-11-03 04:48:12,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4868 to 1572. [2021-11-03 04:48:12,058 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) [2021-11-03 04:48:12,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1572 states to 1572 states and 1891 transitions. [2021-11-03 04:48:12,062 INFO L78 Accepts]: Start accepts. Automaton has 1572 states and 1891 transitions. Word has length 86 [2021-11-03 04:48:12,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:48:12,062 INFO L470 AbstractCegarLoop]: Abstraction has 1572 states and 1891 transitions. [2021-11-03 04:48:12,062 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) [2021-11-03 04:48:12,063 INFO L276 IsEmpty]: Start isEmpty. Operand 1572 states and 1891 transitions. [2021-11-03 04:48:12,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-03 04:48:12,063 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:48:12,064 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] [2021-11-03 04:48:12,143 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (35)] Ended with exit code 0 [2021-11-03 04:48:12,279 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:48:12,280 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)] === [2021-11-03 04:48:12,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:48:12,280 INFO L85 PathProgramCache]: Analyzing trace with hash -130833938, now seen corresponding path program 1 times [2021-11-03 04:48:12,282 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:48:12,282 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [852653073] [2021-11-03 04:48:12,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:48:12,282 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:48:12,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:48:12,283 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:48:12,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (36)] Waiting until timeout for monitored process [2021-11-03 04:48:14,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:48:14,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 1148 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-03 04:48:14,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:48:15,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:48:15,143 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:48:16,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:48:16,011 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:48:16,012 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [852653073] [2021-11-03 04:48:16,012 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [852653073] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:48:16,012 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:48:16,012 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 12] imperfect sequences [] total 21 [2021-11-03 04:48:16,012 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226837836] [2021-11-03 04:48:16,013 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-11-03 04:48:16,013 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:48:16,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-11-03 04:48:16,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=372, Unknown=0, NotChecked=0, Total=420 [2021-11-03 04:48:16,013 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) [2021-11-03 04:48:19,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:48:19,773 INFO L93 Difference]: Finished difference Result 4933 states and 5986 transitions. [2021-11-03 04:48:19,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-03 04:48:19,774 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 [2021-11-03 04:48:19,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:48:19,780 INFO L225 Difference]: With dead ends: 4933 [2021-11-03 04:48:19,781 INFO L226 Difference]: Without dead ends: 3753 [2021-11-03 04:48:19,783 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=362, Invalid=1120, Unknown=0, NotChecked=0, Total=1482 [2021-11-03 04:48:19,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3753 states. [2021-11-03 04:48:20,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3753 to 1605. [2021-11-03 04:48:20,462 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) [2021-11-03 04:48:20,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1605 states to 1605 states and 1924 transitions. [2021-11-03 04:48:20,464 INFO L78 Accepts]: Start accepts. Automaton has 1605 states and 1924 transitions. Word has length 90 [2021-11-03 04:48:20,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:48:20,464 INFO L470 AbstractCegarLoop]: Abstraction has 1605 states and 1924 transitions. [2021-11-03 04:48:20,464 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) [2021-11-03 04:48:20,464 INFO L276 IsEmpty]: Start isEmpty. Operand 1605 states and 1924 transitions. [2021-11-03 04:48:20,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-03 04:48:20,465 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:48:20,465 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] [2021-11-03 04:48:20,492 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (36)] Forceful destruction successful, exit code 0 [2021-11-03 04:48:20,665 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:48:20,666 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)] === [2021-11-03 04:48:20,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:48:20,666 INFO L85 PathProgramCache]: Analyzing trace with hash 384154253, now seen corresponding path program 1 times [2021-11-03 04:48:20,668 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:48:20,668 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [844286937] [2021-11-03 04:48:20,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:48:20,668 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:48:20,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:48:20,669 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:48:20,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (37)] Waiting until timeout for monitored process [2021-11-03 04:48:35,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:48:36,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 1230 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-03 04:48:36,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:48:36,718 INFO L354 Elim1Store]: treesize reduction 839, result has 3.2 percent of original size [2021-11-03 04:48:36,718 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 [2021-11-03 04:48:36,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:48:36,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:48:36,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:48:36,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:48:36,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:48:36,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:48:36,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:48:36,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:48:36,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:48:36,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:48:36,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:48:36,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:48:36,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:48:36,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:48:36,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:48:36,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:48:36,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:48:36,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:48:36,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:48:36,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:48:36,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:48:36,822 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 [2021-11-03 04:48:37,456 INFO L354 Elim1Store]: treesize reduction 114, result has 19.7 percent of original size [2021-11-03 04:48:37,456 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 [2021-11-03 04:48:37,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:48:37,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:48:37,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:48:37,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:48:37,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:48:37,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:48:37,515 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 [2021-11-03 04:48:38,485 INFO L354 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2021-11-03 04:48:38,485 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 [2021-11-03 04:48:38,495 INFO L354 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2021-11-03 04:48:38,496 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 [2021-11-03 04:48:38,559 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-03 04:48:38,559 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:48:39,221 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-03 04:48:39,222 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:48:39,222 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [844286937] [2021-11-03 04:48:39,222 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [844286937] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:48:39,222 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:48:39,223 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-03 04:48:39,223 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779371280] [2021-11-03 04:48:39,223 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-03 04:48:39,223 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:48:39,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-03 04:48:39,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-03 04:48:39,224 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) [2021-11-03 04:50:05,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:50:05,678 INFO L93 Difference]: Finished difference Result 7547 states and 9052 transitions. [2021-11-03 04:50:05,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-03 04:50:05,683 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 [2021-11-03 04:50:05,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:50:05,690 INFO L225 Difference]: With dead ends: 7547 [2021-11-03 04:50:05,690 INFO L226 Difference]: Without dead ends: 6926 [2021-11-03 04:50:05,692 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 181 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2021-11-03 04:50:05,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6926 states. [2021-11-03 04:50:06,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6926 to 1591. [2021-11-03 04:50:06,492 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) [2021-11-03 04:50:06,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1591 states to 1591 states and 1907 transitions. [2021-11-03 04:50:06,494 INFO L78 Accepts]: Start accepts. Automaton has 1591 states and 1907 transitions. Word has length 95 [2021-11-03 04:50:06,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:50:06,494 INFO L470 AbstractCegarLoop]: Abstraction has 1591 states and 1907 transitions. [2021-11-03 04:50:06,494 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) [2021-11-03 04:50:06,495 INFO L276 IsEmpty]: Start isEmpty. Operand 1591 states and 1907 transitions. [2021-11-03 04:50:06,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-11-03 04:50:06,495 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:50:06,496 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] [2021-11-03 04:50:06,568 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (37)] Ended with exit code 0 [2021-11-03 04:50:06,719 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:50:06,720 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)] === [2021-11-03 04:50:06,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:50:06,720 INFO L85 PathProgramCache]: Analyzing trace with hash -1563311058, now seen corresponding path program 1 times [2021-11-03 04:50:06,722 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:50:06,722 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1831192716] [2021-11-03 04:50:06,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:50:06,722 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:50:06,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:50:06,723 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:50:06,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (38)] Waiting until timeout for monitored process [2021-11-03 04:50:09,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:50:09,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 1341 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-03 04:50:09,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:50:09,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:50:09,970 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:50:10,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:50:10,590 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:50:10,590 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1831192716] [2021-11-03 04:50:10,590 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1831192716] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:50:10,590 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:50:10,590 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-11-03 04:50:10,590 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895828120] [2021-11-03 04:50:10,591 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-03 04:50:10,591 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:50:10,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-03 04:50:10,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-03 04:50:10,592 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) [2021-11-03 04:50:13,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:50:13,683 INFO L93 Difference]: Finished difference Result 7315 states and 8827 transitions. [2021-11-03 04:50:13,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-03 04:50:13,684 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 [2021-11-03 04:50:13,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:50:13,689 INFO L225 Difference]: With dead ends: 7315 [2021-11-03 04:50:13,689 INFO L226 Difference]: Without dead ends: 5829 [2021-11-03 04:50:13,691 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2021-11-03 04:50:13,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5829 states. [2021-11-03 04:50:14,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5829 to 1595. [2021-11-03 04:50:14,395 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) [2021-11-03 04:50:14,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1595 states to 1595 states and 1911 transitions. [2021-11-03 04:50:14,398 INFO L78 Accepts]: Start accepts. Automaton has 1595 states and 1911 transitions. Word has length 130 [2021-11-03 04:50:14,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:50:14,399 INFO L470 AbstractCegarLoop]: Abstraction has 1595 states and 1911 transitions. [2021-11-03 04:50:14,399 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) [2021-11-03 04:50:14,399 INFO L276 IsEmpty]: Start isEmpty. Operand 1595 states and 1911 transitions. [2021-11-03 04:50:14,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-11-03 04:50:14,400 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:50:14,400 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] [2021-11-03 04:50:14,448 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (38)] Forceful destruction successful, exit code 0 [2021-11-03 04:50:14,623 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:50:14,624 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)] === [2021-11-03 04:50:14,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:50:14,624 INFO L85 PathProgramCache]: Analyzing trace with hash 1050909020, now seen corresponding path program 1 times [2021-11-03 04:50:14,625 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:50:14,626 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1546622656] [2021-11-03 04:50:14,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:50:14,626 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:50:14,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:50:14,626 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:50:14,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (39)] Waiting until timeout for monitored process [2021-11-03 04:50:17,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:50:17,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 1321 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-03 04:50:17,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:50:17,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:50:17,682 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:50:18,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:50:18,101 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:50:18,101 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1546622656] [2021-11-03 04:50:18,102 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1546622656] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:50:18,102 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:50:18,102 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-03 04:50:18,102 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640391367] [2021-11-03 04:50:18,103 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-03 04:50:18,103 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:50:18,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-03 04:50:18,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-03 04:50:18,103 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) [2021-11-03 04:50:20,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:50:20,188 INFO L93 Difference]: Finished difference Result 4653 states and 5668 transitions. [2021-11-03 04:50:20,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-03 04:50:20,189 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 [2021-11-03 04:50:20,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:50:20,193 INFO L225 Difference]: With dead ends: 4653 [2021-11-03 04:50:20,193 INFO L226 Difference]: Without dead ends: 3736 [2021-11-03 04:50:20,194 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 [2021-11-03 04:50:20,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3736 states. [2021-11-03 04:50:20,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3736 to 1601. [2021-11-03 04:50:20,949 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) [2021-11-03 04:50:20,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1601 states to 1601 states and 1917 transitions. [2021-11-03 04:50:20,950 INFO L78 Accepts]: Start accepts. Automaton has 1601 states and 1917 transitions. Word has length 132 [2021-11-03 04:50:20,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:50:20,951 INFO L470 AbstractCegarLoop]: Abstraction has 1601 states and 1917 transitions. [2021-11-03 04:50:20,951 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) [2021-11-03 04:50:20,951 INFO L276 IsEmpty]: Start isEmpty. Operand 1601 states and 1917 transitions. [2021-11-03 04:50:20,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-11-03 04:50:20,952 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:50:20,953 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] [2021-11-03 04:50:20,989 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (39)] Ended with exit code 0 [2021-11-03 04:50:21,163 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:50:21,164 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)] === [2021-11-03 04:50:21,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:50:21,164 INFO L85 PathProgramCache]: Analyzing trace with hash -1642674647, now seen corresponding path program 1 times [2021-11-03 04:50:21,166 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:50:21,166 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [561332687] [2021-11-03 04:50:21,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:50:21,166 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:50:21,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:50:21,167 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:50:21,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (40)] Waiting until timeout for monitored process [2021-11-03 04:50:23,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:50:24,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 1361 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-03 04:50:24,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:50:24,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:50:24,586 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:50:25,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:50:25,085 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:50:25,085 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [561332687] [2021-11-03 04:50:25,085 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [561332687] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:50:25,085 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:50:25,086 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-11-03 04:50:25,086 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497308903] [2021-11-03 04:50:25,086 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-03 04:50:25,086 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:50:25,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-03 04:50:25,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-03 04:50:25,087 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) [2021-11-03 04:50:28,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:50:28,319 INFO L93 Difference]: Finished difference Result 6977 states and 8418 transitions. [2021-11-03 04:50:28,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-03 04:50:28,320 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 [2021-11-03 04:50:28,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:50:28,325 INFO L225 Difference]: With dead ends: 6977 [2021-11-03 04:50:28,325 INFO L226 Difference]: Without dead ends: 5512 [2021-11-03 04:50:28,327 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 274 GetRequests, 262 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2021-11-03 04:50:28,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5512 states. [2021-11-03 04:50:29,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5512 to 1605. [2021-11-03 04:50:29,042 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) [2021-11-03 04:50:29,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1605 states to 1605 states and 1921 transitions. [2021-11-03 04:50:29,045 INFO L78 Accepts]: Start accepts. Automaton has 1605 states and 1921 transitions. Word has length 135 [2021-11-03 04:50:29,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:50:29,046 INFO L470 AbstractCegarLoop]: Abstraction has 1605 states and 1921 transitions. [2021-11-03 04:50:29,046 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) [2021-11-03 04:50:29,046 INFO L276 IsEmpty]: Start isEmpty. Operand 1605 states and 1921 transitions. [2021-11-03 04:50:29,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-11-03 04:50:29,047 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:50:29,048 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] [2021-11-03 04:50:29,093 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (40)] Ended with exit code 0 [2021-11-03 04:50:29,263 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:50:29,264 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)] === [2021-11-03 04:50:29,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:50:29,264 INFO L85 PathProgramCache]: Analyzing trace with hash 800701272, now seen corresponding path program 1 times [2021-11-03 04:50:29,266 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:50:29,266 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1779032245] [2021-11-03 04:50:29,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:50:29,266 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:50:29,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:50:29,267 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:50:29,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (41)] Waiting until timeout for monitored process [2021-11-03 04:50:31,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:50:32,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 1341 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 04:50:32,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:50:32,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:50:32,876 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:50:33,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:50:33,684 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:50:33,685 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1779032245] [2021-11-03 04:50:33,685 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1779032245] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:50:33,685 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:50:33,685 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 04:50:33,685 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746316531] [2021-11-03 04:50:33,686 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 04:50:33,686 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:50:33,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 04:50:33,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:50:33,687 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) [2021-11-03 04:50:35,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:50:35,182 INFO L93 Difference]: Finished difference Result 2336 states and 2737 transitions. [2021-11-03 04:50:35,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-03 04:50:35,183 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 [2021-11-03 04:50:35,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:50:35,185 INFO L225 Difference]: With dead ends: 2336 [2021-11-03 04:50:35,185 INFO L226 Difference]: Without dead ends: 2330 [2021-11-03 04:50:35,185 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 [2021-11-03 04:50:35,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2330 states. [2021-11-03 04:50:35,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2330 to 1599. [2021-11-03 04:50:35,863 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) [2021-11-03 04:50:35,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1599 states to 1599 states and 1912 transitions. [2021-11-03 04:50:35,864 INFO L78 Accepts]: Start accepts. Automaton has 1599 states and 1912 transitions. Word has length 137 [2021-11-03 04:50:35,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:50:35,865 INFO L470 AbstractCegarLoop]: Abstraction has 1599 states and 1912 transitions. [2021-11-03 04:50:35,865 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) [2021-11-03 04:50:35,865 INFO L276 IsEmpty]: Start isEmpty. Operand 1599 states and 1912 transitions. [2021-11-03 04:50:35,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-11-03 04:50:35,866 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:50:35,867 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] [2021-11-03 04:50:35,917 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (41)] Forceful destruction successful, exit code 0 [2021-11-03 04:50:36,079 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:50:36,080 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)] === [2021-11-03 04:50:36,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:50:36,080 INFO L85 PathProgramCache]: Analyzing trace with hash -834231210, now seen corresponding path program 1 times [2021-11-03 04:50:36,083 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:50:36,083 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1677238028] [2021-11-03 04:50:36,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:50:36,083 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:50:36,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:50:36,084 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:50:36,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263366f-7e2e-4688-be2f-1719bf57cec4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (42)] Waiting until timeout for monitored process [2021-11-03 04:50:39,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:50:39,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 1381 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-03 04:50:39,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:50:40,084 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 [2021-11-03 04:50:40,099 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 [2021-11-03 04:50:40,374 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 [2021-11-03 04:50:40,380 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 [2021-11-03 04:50:40,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:50:40,453 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:50:41,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:50:41,632 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:50:41,632 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1677238028] [2021-11-03 04:50:41,632 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1677238028] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:50:41,632 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:50:41,633 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 18 [2021-11-03 04:50:41,633 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335550281] [2021-11-03 04:50:41,633 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-03 04:50:41,633 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:50:41,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-03 04:50:41,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2021-11-03 04:50:41,634 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)