./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--net--ethernet--icplus--ipg.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 53e062e1035ae1f01c2e809595599fa2661e1ae14b245da0f28d018a9f398780 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:35:46,019 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:35:46,021 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:35:46,062 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:35:46,063 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:35:46,068 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:35:46,071 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:35:46,077 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:35:46,080 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:35:46,088 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:35:46,089 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:35:46,091 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:35:46,091 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:35:46,094 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:35:46,097 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:35:46,102 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:35:46,105 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:35:46,106 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:35:46,111 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:35:46,116 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:35:46,118 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:35:46,122 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:35:46,126 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:35:46,127 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:35:46,134 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:35:46,134 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:35:46,135 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:35:46,137 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:35:46,138 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:35:46,139 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:35:46,139 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:35:46,140 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:35:46,142 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:35:46,143 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:35:46,145 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:35:46,145 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:35:46,146 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:35:46,146 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:35:46,146 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:35:46,147 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:35:46,148 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:35:46,149 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-07 01:35:46,197 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:35:46,197 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:35:46,199 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:35:46,199 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:35:46,199 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:35:46,200 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:35:46,200 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:35:46,200 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:35:46,206 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:35:46,206 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:35:46,208 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:35:46,208 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:35:46,208 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:35:46,208 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:35:46,209 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:35:46,209 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:35:46,210 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:35:46,210 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:35:46,210 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:35:46,210 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:35:46,210 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:35:46,211 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:35:46,211 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:35:46,211 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:35:46,211 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:35:46,211 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:35:46,212 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:35:46,212 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:35:46,212 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:35:46,214 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:35:46,214 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:35:46,215 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:35:46,215 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:35:46,215 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:35:46,215 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:35:46,216 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:35:46,216 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_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 53e062e1035ae1f01c2e809595599fa2661e1ae14b245da0f28d018a9f398780 [2021-11-07 01:35:46,489 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:35:46,523 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:35:46,527 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:35:46,528 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:35:46,529 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:35:46,530 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i [2021-11-07 01:35:46,615 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/data/de582e1c5/dd4467af6f7a4518b96da98f1934d64d/FLAGfd46eb611 [2021-11-07 01:35:47,681 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:35:47,681 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i [2021-11-07 01:35:47,751 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/data/de582e1c5/dd4467af6f7a4518b96da98f1934d64d/FLAGfd46eb611 [2021-11-07 01:35:48,007 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/data/de582e1c5/dd4467af6f7a4518b96da98f1934d64d [2021-11-07 01:35:48,010 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:35:48,011 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:35:48,013 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:35:48,013 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:35:48,016 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:35:48,017 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:35:48" (1/1) ... [2021-11-07 01:35:48,018 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3328410f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:48, skipping insertion in model container [2021-11-07 01:35:48,018 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:35:48" (1/1) ... [2021-11-07 01:35:48,025 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:35:48,259 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:35:50,422 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:35:50,425 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:35:50,699 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:35:52,864 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[393566,393579] [2021-11-07 01:35:52,867 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[393711,393724] [2021-11-07 01:35:52,867 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[393857,393870] [2021-11-07 01:35:52,868 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[394022,394035] [2021-11-07 01:35:52,869 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[394180,394193] [2021-11-07 01:35:52,869 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[394338,394351] [2021-11-07 01:35:52,870 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[394496,394509] [2021-11-07 01:35:52,870 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[394656,394669] [2021-11-07 01:35:52,871 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[394815,394828] [2021-11-07 01:35:52,871 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[394954,394967] [2021-11-07 01:35:52,872 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[395096,395109] [2021-11-07 01:35:52,872 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[395245,395258] [2021-11-07 01:35:52,873 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[395384,395397] [2021-11-07 01:35:52,873 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[395539,395552] [2021-11-07 01:35:52,874 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[395699,395712] [2021-11-07 01:35:52,874 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[395850,395863] [2021-11-07 01:35:52,875 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[396001,396014] [2021-11-07 01:35:52,876 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[396153,396166] [2021-11-07 01:35:52,876 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[396302,396315] [2021-11-07 01:35:52,877 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[396450,396463] [2021-11-07 01:35:52,877 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[396607,396620] [2021-11-07 01:35:52,878 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[396756,396769] [2021-11-07 01:35:52,878 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[396912,396925] [2021-11-07 01:35:52,879 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[397065,397078] [2021-11-07 01:35:52,879 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[397211,397224] [2021-11-07 01:35:52,880 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[397354,397367] [2021-11-07 01:35:52,881 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[397506,397519] [2021-11-07 01:35:52,881 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[397652,397665] [2021-11-07 01:35:52,882 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[397797,397810] [2021-11-07 01:35:52,882 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[397951,397964] [2021-11-07 01:35:52,883 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[398102,398115] [2021-11-07 01:35:52,883 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[398257,398270] [2021-11-07 01:35:52,884 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[398409,398422] [2021-11-07 01:35:52,884 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[398564,398577] [2021-11-07 01:35:52,885 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[398728,398741] [2021-11-07 01:35:52,885 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[398884,398897] [2021-11-07 01:35:52,886 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[399048,399061] [2021-11-07 01:35:52,886 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[399190,399203] [2021-11-07 01:35:52,887 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[399348,399361] [2021-11-07 01:35:52,887 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[399515,399528] [2021-11-07 01:35:52,888 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[399674,399687] [2021-11-07 01:35:52,888 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[399833,399846] [2021-11-07 01:35:52,889 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[399982,399995] [2021-11-07 01:35:52,890 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[400129,400142] [2021-11-07 01:35:52,890 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[400268,400281] [2021-11-07 01:35:52,891 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[400431,400444] [2021-11-07 01:35:52,891 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[400597,400610] [2021-11-07 01:35:52,892 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[400761,400774] [2021-11-07 01:35:52,892 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[400926,400939] [2021-11-07 01:35:52,893 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[401091,401104] [2021-11-07 01:35:52,893 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[401257,401270] [2021-11-07 01:35:52,894 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[401422,401435] [2021-11-07 01:35:52,894 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[401589,401602] [2021-11-07 01:35:52,895 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[401749,401762] [2021-11-07 01:35:52,895 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[401911,401924] [2021-11-07 01:35:52,896 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[402070,402083] [2021-11-07 01:35:52,896 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[402216,402229] [2021-11-07 01:35:52,897 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[402359,402372] [2021-11-07 01:35:52,898 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[402503,402516] [2021-11-07 01:35:52,898 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[402646,402659] [2021-11-07 01:35:52,899 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[402790,402803] [2021-11-07 01:35:52,899 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[402931,402944] [2021-11-07 01:35:52,900 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[403069,403082] [2021-11-07 01:35:52,900 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[403227,403240] [2021-11-07 01:35:52,901 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[403386,403399] [2021-11-07 01:35:52,901 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[403542,403555] [2021-11-07 01:35:52,902 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[403691,403704] [2021-11-07 01:35:52,902 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[403843,403856] [2021-11-07 01:35:52,903 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[403994,404007] [2021-11-07 01:35:52,903 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[404143,404156] [2021-11-07 01:35:52,904 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[404295,404308] [2021-11-07 01:35:52,904 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[404443,404456] [2021-11-07 01:35:52,905 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[404596,404609] [2021-11-07 01:35:52,905 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[404747,404760] [2021-11-07 01:35:52,906 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[404897,404910] [2021-11-07 01:35:52,906 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[405044,405057] [2021-11-07 01:35:52,907 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[405195,405208] [2021-11-07 01:35:52,907 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[405346,405359] [2021-11-07 01:35:52,908 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[405494,405507] [2021-11-07 01:35:52,908 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[405660,405673] [2021-11-07 01:35:52,909 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[405829,405842] [2021-11-07 01:35:52,909 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[405996,406009] [2021-11-07 01:35:52,910 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[406164,406177] [2021-11-07 01:35:52,910 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[406314,406327] [2021-11-07 01:35:52,911 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[406461,406474] [2021-11-07 01:35:52,911 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[406622,406635] [2021-11-07 01:35:52,912 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[406792,406805] [2021-11-07 01:35:52,913 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[406954,406967] [2021-11-07 01:35:52,941 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:35:52,994 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-07 01:35:52,995 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@728712c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:52, skipping insertion in model container [2021-11-07 01:35:52,995 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:35:52,996 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 01:35:53,000 INFO L168 Benchmark]: Toolchain (without parser) took 4986.89 ms. Allocated memory was 90.2 MB in the beginning and 182.5 MB in the end (delta: 92.3 MB). Free memory was 56.2 MB in the beginning and 70.6 MB in the end (delta: -14.4 MB). Peak memory consumption was 75.6 MB. Max. memory is 16.1 GB. [2021-11-07 01:35:53,000 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 90.2 MB. Free memory was 70.7 MB in the beginning and 70.6 MB in the end (delta: 71.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:35:53,002 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4983.03 ms. Allocated memory was 90.2 MB in the beginning and 182.5 MB in the end (delta: 92.3 MB). Free memory was 56.0 MB in the beginning and 70.6 MB in the end (delta: -14.6 MB). Peak memory consumption was 75.6 MB. Max. memory is 16.1 GB. [2021-11-07 01:35:53,008 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 90.2 MB. Free memory was 70.7 MB in the beginning and 70.6 MB in the end (delta: 71.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4983.03 ms. Allocated memory was 90.2 MB in the beginning and 182.5 MB in the end (delta: 92.3 MB). Free memory was 56.0 MB in the beginning and 70.6 MB in the end (delta: -14.6 MB). Peak memory consumption was 75.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6990]: 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_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 53e062e1035ae1f01c2e809595599fa2661e1ae14b245da0f28d018a9f398780 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:35:55,370 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:35:55,374 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:35:55,416 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:35:55,417 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:35:55,421 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:35:55,423 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:35:55,432 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:35:55,435 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:35:55,443 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:35:55,445 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:35:55,447 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:35:55,448 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:35:55,451 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:35:55,453 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:35:55,457 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:35:55,459 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:35:55,460 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:35:55,462 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:35:55,470 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:35:55,473 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:35:55,474 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:35:55,478 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:35:55,480 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:35:55,490 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:35:55,490 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:35:55,491 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:35:55,493 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:35:55,494 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:35:55,495 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:35:55,496 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:35:55,497 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:35:55,499 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:35:55,500 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:35:55,502 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:35:55,502 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:35:55,503 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:35:55,504 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:35:55,504 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:35:55,506 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:35:55,507 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:35:55,512 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-07 01:35:55,562 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:35:55,562 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:35:55,564 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:35:55,564 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:35:55,564 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:35:55,565 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:35:55,565 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:35:55,565 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:35:55,566 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:35:55,568 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:35:55,569 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:35:55,569 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:35:55,570 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:35:55,570 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:35:55,570 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:35:55,570 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 01:35:55,571 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 01:35:55,571 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:35:55,571 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:35:55,571 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:35:55,572 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:35:55,572 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 01:35:55,572 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:35:55,572 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:35:55,572 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:35:55,573 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:35:55,573 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:35:55,573 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 01:35:55,573 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 01:35:55,574 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:35:55,574 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:35:55,574 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:35:55,574 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_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 53e062e1035ae1f01c2e809595599fa2661e1ae14b245da0f28d018a9f398780 [2021-11-07 01:35:55,962 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:35:56,001 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:35:56,004 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:35:56,005 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:35:56,006 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:35:56,007 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i [2021-11-07 01:35:56,089 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/data/b11dddca1/0d561aa929ad47e29cb6ce05283f7999/FLAG1fff1aaf6 [2021-11-07 01:35:57,182 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:35:57,183 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i [2021-11-07 01:35:57,244 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/data/b11dddca1/0d561aa929ad47e29cb6ce05283f7999/FLAG1fff1aaf6 [2021-11-07 01:35:57,514 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/data/b11dddca1/0d561aa929ad47e29cb6ce05283f7999 [2021-11-07 01:35:57,516 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:35:57,517 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:35:57,519 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:35:57,519 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:35:57,535 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:35:57,536 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:35:57" (1/1) ... [2021-11-07 01:35:57,537 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79611169 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:57, skipping insertion in model container [2021-11-07 01:35:57,537 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:35:57" (1/1) ... [2021-11-07 01:35:57,545 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:35:57,713 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:36:02,108 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[393566,393579] [2021-11-07 01:36:02,111 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[393711,393724] [2021-11-07 01:36:02,112 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[393857,393870] [2021-11-07 01:36:02,112 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[394022,394035] [2021-11-07 01:36:02,113 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_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[394180,394193] [2021-11-07 01:36:02,113 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_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[394338,394351] [2021-11-07 01:36:02,114 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[394496,394509] [2021-11-07 01:36:02,115 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[394656,394669] [2021-11-07 01:36:02,115 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[394815,394828] [2021-11-07 01:36:02,116 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[394954,394967] [2021-11-07 01:36:02,116 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[395096,395109] [2021-11-07 01:36:02,117 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[395245,395258] [2021-11-07 01:36:02,117 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[395384,395397] [2021-11-07 01:36:02,118 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_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[395539,395552] [2021-11-07 01:36:02,119 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_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[395699,395712] [2021-11-07 01:36:02,119 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_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[395850,395863] [2021-11-07 01:36:02,120 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_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[396001,396014] [2021-11-07 01:36:02,120 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_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[396153,396166] [2021-11-07 01:36:02,121 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_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[396302,396315] [2021-11-07 01:36:02,122 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_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[396450,396463] [2021-11-07 01:36:02,122 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_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[396607,396620] [2021-11-07 01:36:02,123 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_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[396756,396769] [2021-11-07 01:36:02,124 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[396912,396925] [2021-11-07 01:36:02,124 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[397065,397078] [2021-11-07 01:36:02,125 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[397211,397224] [2021-11-07 01:36:02,125 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[397354,397367] [2021-11-07 01:36:02,126 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[397506,397519] [2021-11-07 01:36:02,127 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[397652,397665] [2021-11-07 01:36:02,127 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[397797,397810] [2021-11-07 01:36:02,128 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[397951,397964] [2021-11-07 01:36:02,128 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[398102,398115] [2021-11-07 01:36:02,129 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[398257,398270] [2021-11-07 01:36:02,129 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[398409,398422] [2021-11-07 01:36:02,130 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[398564,398577] [2021-11-07 01:36:02,131 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[398728,398741] [2021-11-07 01:36:02,131 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[398884,398897] [2021-11-07 01:36:02,132 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[399048,399061] [2021-11-07 01:36:02,132 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[399190,399203] [2021-11-07 01:36:02,133 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_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[399348,399361] [2021-11-07 01:36:02,134 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_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[399515,399528] [2021-11-07 01:36:02,134 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_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[399674,399687] [2021-11-07 01:36:02,135 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[399833,399846] [2021-11-07 01:36:02,135 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[399982,399995] [2021-11-07 01:36:02,136 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_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[400129,400142] [2021-11-07 01:36:02,136 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_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[400268,400281] [2021-11-07 01:36:02,137 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_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[400431,400444] [2021-11-07 01:36:02,138 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[400597,400610] [2021-11-07 01:36:02,138 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[400761,400774] [2021-11-07 01:36:02,139 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[400926,400939] [2021-11-07 01:36:02,139 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[401091,401104] [2021-11-07 01:36:02,140 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[401257,401270] [2021-11-07 01:36:02,140 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[401422,401435] [2021-11-07 01:36:02,141 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_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[401589,401602] [2021-11-07 01:36:02,141 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_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[401749,401762] [2021-11-07 01:36:02,142 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[401911,401924] [2021-11-07 01:36:02,142 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[402070,402083] [2021-11-07 01:36:02,143 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[402216,402229] [2021-11-07 01:36:02,143 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[402359,402372] [2021-11-07 01:36:02,144 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[402503,402516] [2021-11-07 01:36:02,144 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[402646,402659] [2021-11-07 01:36:02,145 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[402790,402803] [2021-11-07 01:36:02,145 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[402931,402944] [2021-11-07 01:36:02,146 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[403069,403082] [2021-11-07 01:36:02,146 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[403227,403240] [2021-11-07 01:36:02,147 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_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[403386,403399] [2021-11-07 01:36:02,147 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_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[403542,403555] [2021-11-07 01:36:02,148 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_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[403691,403704] [2021-11-07 01:36:02,148 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_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[403843,403856] [2021-11-07 01:36:02,149 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_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[403994,404007] [2021-11-07 01:36:02,149 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_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[404143,404156] [2021-11-07 01:36:02,150 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[404295,404308] [2021-11-07 01:36:02,150 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[404443,404456] [2021-11-07 01:36:02,151 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_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[404596,404609] [2021-11-07 01:36:02,151 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_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[404747,404760] [2021-11-07 01:36:02,152 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_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[404897,404910] [2021-11-07 01:36:02,152 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_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[405044,405057] [2021-11-07 01:36:02,153 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_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[405195,405208] [2021-11-07 01:36:02,153 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_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[405346,405359] [2021-11-07 01:36:02,154 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_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[405494,405507] [2021-11-07 01:36:02,154 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_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[405660,405673] [2021-11-07 01:36:02,155 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_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[405829,405842] [2021-11-07 01:36:02,155 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_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[405996,406009] [2021-11-07 01:36:02,156 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_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[406164,406177] [2021-11-07 01:36:02,156 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_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[406314,406327] [2021-11-07 01:36:02,157 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_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[406461,406474] [2021-11-07 01:36:02,157 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_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[406622,406635] [2021-11-07 01:36:02,158 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[406792,406805] [2021-11-07 01:36:02,158 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[406954,406967] [2021-11-07 01:36:02,184 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:36:02,259 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 01:36:02,353 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:36:02,741 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[393566,393579] [2021-11-07 01:36:02,742 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[393711,393724] [2021-11-07 01:36:02,743 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[393857,393870] [2021-11-07 01:36:02,744 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[394022,394035] [2021-11-07 01:36:02,744 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[394180,394193] [2021-11-07 01:36:02,745 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[394338,394351] [2021-11-07 01:36:02,746 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[394496,394509] [2021-11-07 01:36:02,747 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[394656,394669] [2021-11-07 01:36:02,747 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[394815,394828] [2021-11-07 01:36:02,748 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[394954,394967] [2021-11-07 01:36:02,748 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[395096,395109] [2021-11-07 01:36:02,749 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[395245,395258] [2021-11-07 01:36:02,749 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[395384,395397] [2021-11-07 01:36:02,749 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[395539,395552] [2021-11-07 01:36:02,750 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[395699,395712] [2021-11-07 01:36:02,751 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[395850,395863] [2021-11-07 01:36:02,751 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[396001,396014] [2021-11-07 01:36:02,752 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[396153,396166] [2021-11-07 01:36:02,752 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[396302,396315] [2021-11-07 01:36:02,753 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[396450,396463] [2021-11-07 01:36:02,753 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[396607,396620] [2021-11-07 01:36:02,753 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[396756,396769] [2021-11-07 01:36:02,754 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[396912,396925] [2021-11-07 01:36:02,754 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[397065,397078] [2021-11-07 01:36:02,755 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[397211,397224] [2021-11-07 01:36:02,755 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[397354,397367] [2021-11-07 01:36:02,756 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[397506,397519] [2021-11-07 01:36:02,757 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[397652,397665] [2021-11-07 01:36:02,757 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[397797,397810] [2021-11-07 01:36:02,757 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[397951,397964] [2021-11-07 01:36:02,759 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[398102,398115] [2021-11-07 01:36:02,760 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[398257,398270] [2021-11-07 01:36:02,761 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[398409,398422] [2021-11-07 01:36:02,761 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[398564,398577] [2021-11-07 01:36:02,762 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[398728,398741] [2021-11-07 01:36:02,762 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[398884,398897] [2021-11-07 01:36:02,763 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[399048,399061] [2021-11-07 01:36:02,763 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[399190,399203] [2021-11-07 01:36:02,764 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[399348,399361] [2021-11-07 01:36:02,765 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[399515,399528] [2021-11-07 01:36:02,766 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[399674,399687] [2021-11-07 01:36:02,767 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[399833,399846] [2021-11-07 01:36:02,767 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[399982,399995] [2021-11-07 01:36:02,770 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[400129,400142] [2021-11-07 01:36:02,772 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[400268,400281] [2021-11-07 01:36:02,773 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[400431,400444] [2021-11-07 01:36:02,773 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[400597,400610] [2021-11-07 01:36:02,774 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[400761,400774] [2021-11-07 01:36:02,774 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[400926,400939] [2021-11-07 01:36:02,775 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[401091,401104] [2021-11-07 01:36:02,775 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[401257,401270] [2021-11-07 01:36:02,776 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[401422,401435] [2021-11-07 01:36:02,776 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[401589,401602] [2021-11-07 01:36:02,777 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[401749,401762] [2021-11-07 01:36:02,777 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[401911,401924] [2021-11-07 01:36:02,777 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[402070,402083] [2021-11-07 01:36:02,822 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[402216,402229] [2021-11-07 01:36:02,822 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[402359,402372] [2021-11-07 01:36:02,823 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[402503,402516] [2021-11-07 01:36:02,823 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[402646,402659] [2021-11-07 01:36:02,823 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[402790,402803] [2021-11-07 01:36:02,824 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[402931,402944] [2021-11-07 01:36:02,824 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[403069,403082] [2021-11-07 01:36:02,824 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[403227,403240] [2021-11-07 01:36:02,824 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[403386,403399] [2021-11-07 01:36:02,825 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[403542,403555] [2021-11-07 01:36:02,825 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[403691,403704] [2021-11-07 01:36:02,825 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[403843,403856] [2021-11-07 01:36:02,826 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[403994,404007] [2021-11-07 01:36:02,826 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[404143,404156] [2021-11-07 01:36:02,826 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[404295,404308] [2021-11-07 01:36:02,827 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[404443,404456] [2021-11-07 01:36:02,827 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[404596,404609] [2021-11-07 01:36:02,827 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[404747,404760] [2021-11-07 01:36:02,827 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[404897,404910] [2021-11-07 01:36:02,828 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[405044,405057] [2021-11-07 01:36:02,828 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[405195,405208] [2021-11-07 01:36:02,828 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[405346,405359] [2021-11-07 01:36:02,829 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[405494,405507] [2021-11-07 01:36:02,833 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[405660,405673] [2021-11-07 01:36:02,834 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[405829,405842] [2021-11-07 01:36:02,835 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[405996,406009] [2021-11-07 01:36:02,835 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[406164,406177] [2021-11-07 01:36:02,836 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[406314,406327] [2021-11-07 01:36:02,836 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[406461,406474] [2021-11-07 01:36:02,836 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[406622,406635] [2021-11-07 01:36:02,837 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[406792,406805] [2021-11-07 01:36:02,837 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[406954,406967] [2021-11-07 01:36:02,844 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:36:02,882 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:36:03,350 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[393566,393579] [2021-11-07 01:36:03,352 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[393711,393724] [2021-11-07 01:36:03,353 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[393857,393870] [2021-11-07 01:36:03,353 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[394022,394035] [2021-11-07 01:36:03,354 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[394180,394193] [2021-11-07 01:36:03,354 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[394338,394351] [2021-11-07 01:36:03,355 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[394496,394509] [2021-11-07 01:36:03,355 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[394656,394669] [2021-11-07 01:36:03,356 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[394815,394828] [2021-11-07 01:36:03,356 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[394954,394967] [2021-11-07 01:36:03,356 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[395096,395109] [2021-11-07 01:36:03,357 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[395245,395258] [2021-11-07 01:36:03,358 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[395384,395397] [2021-11-07 01:36:03,358 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[395539,395552] [2021-11-07 01:36:03,359 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[395699,395712] [2021-11-07 01:36:03,359 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[395850,395863] [2021-11-07 01:36:03,359 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[396001,396014] [2021-11-07 01:36:03,360 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[396153,396166] [2021-11-07 01:36:03,360 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[396302,396315] [2021-11-07 01:36:03,361 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[396450,396463] [2021-11-07 01:36:03,361 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[396607,396620] [2021-11-07 01:36:03,362 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[396756,396769] [2021-11-07 01:36:03,362 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[396912,396925] [2021-11-07 01:36:03,362 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[397065,397078] [2021-11-07 01:36:03,363 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[397211,397224] [2021-11-07 01:36:03,363 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[397354,397367] [2021-11-07 01:36:03,365 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[397506,397519] [2021-11-07 01:36:03,366 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[397652,397665] [2021-11-07 01:36:03,366 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[397797,397810] [2021-11-07 01:36:03,367 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[397951,397964] [2021-11-07 01:36:03,368 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[398102,398115] [2021-11-07 01:36:03,368 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[398257,398270] [2021-11-07 01:36:03,369 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[398409,398422] [2021-11-07 01:36:03,369 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[398564,398577] [2021-11-07 01:36:03,369 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[398728,398741] [2021-11-07 01:36:03,370 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[398884,398897] [2021-11-07 01:36:03,371 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[399048,399061] [2021-11-07 01:36:03,371 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[399190,399203] [2021-11-07 01:36:03,371 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[399348,399361] [2021-11-07 01:36:03,372 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[399515,399528] [2021-11-07 01:36:03,374 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[399674,399687] [2021-11-07 01:36:03,374 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[399833,399846] [2021-11-07 01:36:03,374 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[399982,399995] [2021-11-07 01:36:03,375 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[400129,400142] [2021-11-07 01:36:03,377 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[400268,400281] [2021-11-07 01:36:03,377 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[400431,400444] [2021-11-07 01:36:03,377 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[400597,400610] [2021-11-07 01:36:03,411 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[400761,400774] [2021-11-07 01:36:03,411 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[400926,400939] [2021-11-07 01:36:03,412 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[401091,401104] [2021-11-07 01:36:03,412 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[401257,401270] [2021-11-07 01:36:03,412 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[401422,401435] [2021-11-07 01:36:03,413 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[401589,401602] [2021-11-07 01:36:03,413 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[401749,401762] [2021-11-07 01:36:03,413 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[401911,401924] [2021-11-07 01:36:03,413 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[402070,402083] [2021-11-07 01:36:03,414 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[402216,402229] [2021-11-07 01:36:03,414 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[402359,402372] [2021-11-07 01:36:03,414 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[402503,402516] [2021-11-07 01:36:03,414 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[402646,402659] [2021-11-07 01:36:03,415 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[402790,402803] [2021-11-07 01:36:03,415 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[402931,402944] [2021-11-07 01:36:03,415 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[403069,403082] [2021-11-07 01:36:03,416 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[403227,403240] [2021-11-07 01:36:03,416 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[403386,403399] [2021-11-07 01:36:03,416 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[403542,403555] [2021-11-07 01:36:03,416 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[403691,403704] [2021-11-07 01:36:03,417 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[403843,403856] [2021-11-07 01:36:03,417 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[403994,404007] [2021-11-07 01:36:03,417 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[404143,404156] [2021-11-07 01:36:03,418 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[404295,404308] [2021-11-07 01:36:03,418 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[404443,404456] [2021-11-07 01:36:03,418 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[404596,404609] [2021-11-07 01:36:03,418 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[404747,404760] [2021-11-07 01:36:03,419 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[404897,404910] [2021-11-07 01:36:03,419 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[405044,405057] [2021-11-07 01:36:03,419 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[405195,405208] [2021-11-07 01:36:03,420 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[405346,405359] [2021-11-07 01:36:03,420 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[405494,405507] [2021-11-07 01:36:03,420 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[405660,405673] [2021-11-07 01:36:03,420 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[405829,405842] [2021-11-07 01:36:03,421 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[405996,406009] [2021-11-07 01:36:03,425 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[406164,406177] [2021-11-07 01:36:03,425 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[406314,406327] [2021-11-07 01:36:03,426 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[406461,406474] [2021-11-07 01:36:03,426 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[406622,406635] [2021-11-07 01:36:03,426 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[406792,406805] [2021-11-07 01:36:03,427 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[406954,406967] [2021-11-07 01:36:03,432 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:36:03,739 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:36:03,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:03 WrapperNode [2021-11-07 01:36:03,740 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:36:03,741 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:36:03,741 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:36:03,741 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:36:03,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:03" (1/1) ... [2021-11-07 01:36:03,911 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:03" (1/1) ... [2021-11-07 01:36:04,884 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:36:04,886 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:36:04,889 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:36:04,889 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:36:04,898 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:03" (1/1) ... [2021-11-07 01:36:04,898 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:03" (1/1) ... [2021-11-07 01:36:05,197 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:03" (1/1) ... [2021-11-07 01:36:05,198 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:03" (1/1) ... [2021-11-07 01:36:05,936 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:03" (1/1) ... [2021-11-07 01:36:06,066 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:03" (1/1) ... [2021-11-07 01:36:06,151 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:03" (1/1) ... [2021-11-07 01:36:06,446 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:36:06,457 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:36:06,457 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:36:06,457 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:36:06,458 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:03" (1/1) ... [2021-11-07 01:36:06,464 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:36:06,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:36:06,511 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:36:06,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:36:06,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 01:36:06,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-07 01:36:06,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 01:36:06,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-07 01:36:06,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-07 01:36:06,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 01:36:06,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 01:36:06,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-07 01:36:06,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-07 01:36:06,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-07 01:36:06,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-07 01:36:06,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:36:06,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:36:06,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-07 01:36:06,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-07 01:36:06,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-07 01:36:06,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-07 01:36:06,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-07 01:36:06,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-07 01:36:06,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:36:06,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 01:36:06,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-07 01:36:06,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-07 01:36:06,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-07 01:36:06,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-07 01:36:06,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-07 01:36:06,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-07 01:36:06,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-07 01:36:06,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-07 01:36:06,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-07 01:36:06,682 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2021-11-07 01:39:34,288 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_entry_EMGentry_13_returnLabel: main_#res := 0bv32; [2021-11-07 01:39:34,289 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L9819: #t~ret1021 := main_#res; [2021-11-07 01:39:34,290 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-07 01:39:34,290 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_pci_pci_instance_2_switch_break: call ULTIMATE.dealloc(ldv_pci_pci_instance_2_~#ldv_2_resource_pm_message~0.base, ldv_pci_pci_instance_2_~#ldv_2_resource_pm_message~0.offset);havoc ldv_pci_pci_instance_2_~#ldv_2_resource_pm_message~0.base, ldv_pci_pci_instance_2_~#ldv_2_resource_pm_message~0.offset; [2021-11-07 01:39:34,344 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:39:34,344 INFO L299 CfgBuilder]: Removed 7540 assume(true) statements. [2021-11-07 01:39:34,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:39:34 BoogieIcfgContainer [2021-11-07 01:39:34,354 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:39:34,357 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:39:34,357 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:39:34,361 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:39:34,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:35:57" (1/3) ... [2021-11-07 01:39:34,362 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ad2d8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:39:34, skipping insertion in model container [2021-11-07 01:39:34,362 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:03" (2/3) ... [2021-11-07 01:39:34,363 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ad2d8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:39:34, skipping insertion in model container [2021-11-07 01:39:34,363 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:39:34" (3/3) ... [2021-11-07 01:39:34,365 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i [2021-11-07 01:39:34,371 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:39:34,372 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 112 error locations. [2021-11-07 01:39:34,659 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:39:34,671 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 01:39:34,671 INFO L340 AbstractCegarLoop]: Starting to check reachability of 112 error locations. [2021-11-07 01:39:34,794 INFO L276 IsEmpty]: Start isEmpty. Operand has 6252 states, 6140 states have (on average 1.323941368078176) internal successors, (8129), 6251 states have internal predecessors, (8129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:39:34,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-07 01:39:34,801 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:39:34,802 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] [2021-11-07 01:39:34,802 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr70ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 109 more)] === [2021-11-07 01:39:34,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:39:34,808 INFO L85 PathProgramCache]: Analyzing trace with hash -1927790907, now seen corresponding path program 1 times [2021-11-07 01:39:34,827 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:39:34,827 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [165744043] [2021-11-07 01:39:34,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:39:34,828 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:39:34,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:39:34,832 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:39:34,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 01:39:36,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:39:36,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 963 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:39:36,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:39:37,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:39:37,369 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:39:37,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:39:37,906 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:39:37,906 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [165744043] [2021-11-07 01:39:37,907 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [165744043] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:39:37,907 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:39:37,907 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:39:37,909 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112211261] [2021-11-07 01:39:37,916 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:39:37,916 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:39:37,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:39:37,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:39:37,954 INFO L87 Difference]: Start difference. First operand has 6252 states, 6140 states have (on average 1.323941368078176) internal successors, (8129), 6251 states have internal predecessors, (8129), 0 states have call successors, (0), 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 5.6) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:39:38,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:39:38,584 INFO L93 Difference]: Finished difference Result 12382 states and 16099 transitions. [2021-11-07 01:39:38,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:39:38,586 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-11-07 01:39:38,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:39:38,649 INFO L225 Difference]: With dead ends: 12382 [2021-11-07 01:39:38,650 INFO L226 Difference]: Without dead ends: 6053 [2021-11-07 01:39:38,675 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:39:38,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6053 states. [2021-11-07 01:39:39,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6053 to 6053. [2021-11-07 01:39:39,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6053 states, 5943 states have (on average 1.2690560323069158) internal successors, (7542), 6052 states have internal predecessors, (7542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:39:39,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6053 states to 6053 states and 7542 transitions. [2021-11-07 01:39:39,049 INFO L78 Accepts]: Start accepts. Automaton has 6053 states and 7542 transitions. Word has length 26 [2021-11-07 01:39:39,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:39:39,050 INFO L470 AbstractCegarLoop]: Abstraction has 6053 states and 7542 transitions. [2021-11-07 01:39:39,050 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:39:39,050 INFO L276 IsEmpty]: Start isEmpty. Operand 6053 states and 7542 transitions. [2021-11-07 01:39:39,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-07 01:39:39,052 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:39:39,052 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] [2021-11-07 01:39:39,095 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 01:39:39,270 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:39:39,271 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr71ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 109 more)] === [2021-11-07 01:39:39,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:39:39,273 INFO L85 PathProgramCache]: Analyzing trace with hash -1475435511, now seen corresponding path program 1 times [2021-11-07 01:39:39,275 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:39:39,276 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [417469430] [2021-11-07 01:39:39,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:39:39,276 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:39:39,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:39:39,282 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:39:39,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 01:39:40,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:39:41,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 966 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:39:41,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:39:41,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:39:41,597 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:39:42,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:39:42,149 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:39:42,150 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [417469430] [2021-11-07 01:39:42,150 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [417469430] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:39:42,150 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:39:42,150 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:39:42,150 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113543058] [2021-11-07 01:39:42,152 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:39:42,152 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:39:42,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:39:42,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:39:42,153 INFO L87 Difference]: Start difference. First operand 6053 states and 7542 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:39:42,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:39:42,691 INFO L93 Difference]: Finished difference Result 6053 states and 7542 transitions. [2021-11-07 01:39:42,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:39:42,692 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 0 states have call successors, (0), 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 28 [2021-11-07 01:39:42,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:39:42,733 INFO L225 Difference]: With dead ends: 6053 [2021-11-07 01:39:42,733 INFO L226 Difference]: Without dead ends: 6049 [2021-11-07 01:39:42,736 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:39:42,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6049 states. [2021-11-07 01:39:42,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6049 to 6049. [2021-11-07 01:39:43,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6049 states, 5941 states have (on average 1.2688099646524154) internal successors, (7538), 6048 states have internal predecessors, (7538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:39:43,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6049 states to 6049 states and 7538 transitions. [2021-11-07 01:39:43,036 INFO L78 Accepts]: Start accepts. Automaton has 6049 states and 7538 transitions. Word has length 28 [2021-11-07 01:39:43,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:39:43,036 INFO L470 AbstractCegarLoop]: Abstraction has 6049 states and 7538 transitions. [2021-11-07 01:39:43,037 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:39:43,037 INFO L276 IsEmpty]: Start isEmpty. Operand 6049 states and 7538 transitions. [2021-11-07 01:39:43,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-07 01:39:43,039 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:39:43,039 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] [2021-11-07 01:39:43,072 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 01:39:43,261 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:39:43,261 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr72ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 109 more)] === [2021-11-07 01:39:43,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:39:43,262 INFO L85 PathProgramCache]: Analyzing trace with hash -553596499, now seen corresponding path program 1 times [2021-11-07 01:39:43,264 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:39:43,264 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2028698630] [2021-11-07 01:39:43,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:39:43,264 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:39:43,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:39:43,266 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:39:43,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 01:39:44,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:39:44,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 969 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:39:44,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:39:45,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:39:45,337 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:39:45,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:39:45,843 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:39:45,843 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2028698630] [2021-11-07 01:39:45,843 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2028698630] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:39:45,843 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:39:45,843 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:39:45,843 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795743723] [2021-11-07 01:39:45,844 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:39:45,844 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:39:45,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:39:45,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:39:45,845 INFO L87 Difference]: Start difference. First operand 6049 states and 7538 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:39:46,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:39:46,249 INFO L93 Difference]: Finished difference Result 6049 states and 7538 transitions. [2021-11-07 01:39:46,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:39:46,250 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 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 30 [2021-11-07 01:39:46,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:39:46,292 INFO L225 Difference]: With dead ends: 6049 [2021-11-07 01:39:46,292 INFO L226 Difference]: Without dead ends: 6045 [2021-11-07 01:39:46,297 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:39:46,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6045 states. [2021-11-07 01:39:46,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6045 to 6045. [2021-11-07 01:39:46,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6045 states, 5939 states have (on average 1.2685637312678901) internal successors, (7534), 6044 states have internal predecessors, (7534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:39:46,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6045 states to 6045 states and 7534 transitions. [2021-11-07 01:39:46,644 INFO L78 Accepts]: Start accepts. Automaton has 6045 states and 7534 transitions. Word has length 30 [2021-11-07 01:39:46,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:39:46,644 INFO L470 AbstractCegarLoop]: Abstraction has 6045 states and 7534 transitions. [2021-11-07 01:39:46,645 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:39:46,645 INFO L276 IsEmpty]: Start isEmpty. Operand 6045 states and 7534 transitions. [2021-11-07 01:39:46,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-07 01:39:46,652 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:39:46,652 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] [2021-11-07 01:39:46,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 01:39:46,865 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:39:46,865 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr73ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 109 more)] === [2021-11-07 01:39:46,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:39:46,866 INFO L85 PathProgramCache]: Analyzing trace with hash 570431409, now seen corresponding path program 1 times [2021-11-07 01:39:46,868 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:39:46,868 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1728650697] [2021-11-07 01:39:46,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:39:46,868 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:39:46,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:39:46,871 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:39:46,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 01:39:48,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:39:48,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 972 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:39:48,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:39:49,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:39:49,055 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:39:49,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:39:49,694 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:39:49,694 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1728650697] [2021-11-07 01:39:49,694 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1728650697] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:39:49,694 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:39:49,695 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:39:49,695 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702509584] [2021-11-07 01:39:49,695 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:39:49,695 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:39:49,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:39:49,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:39:49,696 INFO L87 Difference]: Start difference. First operand 6045 states and 7534 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:39:50,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:39:50,152 INFO L93 Difference]: Finished difference Result 6045 states and 7534 transitions. [2021-11-07 01:39:50,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:39:50,153 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-11-07 01:39:50,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:39:50,205 INFO L225 Difference]: With dead ends: 6045 [2021-11-07 01:39:50,205 INFO L226 Difference]: Without dead ends: 6041 [2021-11-07 01:39:50,209 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:39:50,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6041 states. [2021-11-07 01:39:50,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6041 to 6041. [2021-11-07 01:39:50,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6041 states, 5937 states have (on average 1.2683173319858514) internal successors, (7530), 6040 states have internal predecessors, (7530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:39:50,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6041 states to 6041 states and 7530 transitions. [2021-11-07 01:39:50,573 INFO L78 Accepts]: Start accepts. Automaton has 6041 states and 7530 transitions. Word has length 32 [2021-11-07 01:39:50,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:39:50,574 INFO L470 AbstractCegarLoop]: Abstraction has 6041 states and 7530 transitions. [2021-11-07 01:39:50,574 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:39:50,574 INFO L276 IsEmpty]: Start isEmpty. Operand 6041 states and 7530 transitions. [2021-11-07 01:39:50,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-07 01:39:50,576 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:39:50,576 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] [2021-11-07 01:39:50,622 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-07 01:39:50,801 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:39:50,801 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr74ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 109 more)] === [2021-11-07 01:39:50,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:39:50,802 INFO L85 PathProgramCache]: Analyzing trace with hash -1570507243, now seen corresponding path program 1 times [2021-11-07 01:39:50,804 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:39:50,804 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [576841693] [2021-11-07 01:39:50,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:39:50,804 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:39:50,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:39:50,806 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:39:50,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 01:39:52,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:39:52,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 975 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:39:52,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:39:53,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:39:53,031 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:39:53,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:39:53,686 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:39:53,686 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [576841693] [2021-11-07 01:39:53,686 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [576841693] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:39:53,686 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:39:53,687 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:39:53,687 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462252086] [2021-11-07 01:39:53,687 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:39:53,687 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:39:53,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:39:53,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:39:53,689 INFO L87 Difference]: Start difference. First operand 6041 states and 7530 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:39:54,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:39:54,207 INFO L93 Difference]: Finished difference Result 6041 states and 7530 transitions. [2021-11-07 01:39:54,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:39:54,208 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-11-07 01:39:54,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:39:54,255 INFO L225 Difference]: With dead ends: 6041 [2021-11-07 01:39:54,255 INFO L226 Difference]: Without dead ends: 6037 [2021-11-07 01:39:54,258 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:39:54,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6037 states. [2021-11-07 01:39:54,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6037 to 6037. [2021-11-07 01:39:54,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6037 states, 5935 states have (on average 1.2680707666385846) internal successors, (7526), 6036 states have internal predecessors, (7526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:39:54,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6037 states to 6037 states and 7526 transitions. [2021-11-07 01:39:54,652 INFO L78 Accepts]: Start accepts. Automaton has 6037 states and 7526 transitions. Word has length 34 [2021-11-07 01:39:54,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:39:54,653 INFO L470 AbstractCegarLoop]: Abstraction has 6037 states and 7526 transitions. [2021-11-07 01:39:54,653 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:39:54,653 INFO L276 IsEmpty]: Start isEmpty. Operand 6037 states and 7526 transitions. [2021-11-07 01:39:54,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-07 01:39:54,657 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:39:54,657 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] [2021-11-07 01:39:54,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-07 01:39:54,873 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:39:54,873 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr75ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 109 more)] === [2021-11-07 01:39:54,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:39:54,874 INFO L85 PathProgramCache]: Analyzing trace with hash -1723216679, now seen corresponding path program 1 times [2021-11-07 01:39:54,875 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:39:54,875 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1762498630] [2021-11-07 01:39:54,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:39:54,876 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:39:54,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:39:54,877 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:39:54,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-07 01:39:56,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:39:56,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 978 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:39:56,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:39:57,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:39:57,064 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:39:57,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:39:57,748 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:39:57,748 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1762498630] [2021-11-07 01:39:57,748 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1762498630] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:39:57,748 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:39:57,748 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:39:57,748 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008785560] [2021-11-07 01:39:57,749 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:39:57,749 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:39:57,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:39:57,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:39:57,750 INFO L87 Difference]: Start difference. First operand 6037 states and 7526 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:39:58,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:39:58,324 INFO L93 Difference]: Finished difference Result 6037 states and 7526 transitions. [2021-11-07 01:39:58,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:39:58,325 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-11-07 01:39:58,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:39:58,351 INFO L225 Difference]: With dead ends: 6037 [2021-11-07 01:39:58,351 INFO L226 Difference]: Without dead ends: 6033 [2021-11-07 01:39:58,354 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:39:58,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6033 states. [2021-11-07 01:39:58,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6033 to 6033. [2021-11-07 01:39:58,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6033 states, 5933 states have (on average 1.2678240350581493) internal successors, (7522), 6032 states have internal predecessors, (7522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:39:58,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6033 states to 6033 states and 7522 transitions. [2021-11-07 01:39:58,760 INFO L78 Accepts]: Start accepts. Automaton has 6033 states and 7522 transitions. Word has length 36 [2021-11-07 01:39:58,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:39:58,761 INFO L470 AbstractCegarLoop]: Abstraction has 6033 states and 7522 transitions. [2021-11-07 01:39:58,761 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:39:58,761 INFO L276 IsEmpty]: Start isEmpty. Operand 6033 states and 7522 transitions. [2021-11-07 01:39:58,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-07 01:39:58,762 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:39:58,762 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] [2021-11-07 01:39:58,806 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-07 01:39:58,985 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:39:58,985 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr76ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 109 more)] === [2021-11-07 01:39:58,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:39:58,986 INFO L85 PathProgramCache]: Analyzing trace with hash 1846871037, now seen corresponding path program 1 times [2021-11-07 01:39:58,988 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:39:58,989 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1836481950] [2021-11-07 01:39:58,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:39:58,989 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:39:58,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:39:58,992 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:39:59,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-07 01:40:00,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:40:00,554 INFO L263 TraceCheckSpWp]: Trace formula consists of 981 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:40:00,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:40:01,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:40:01,258 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:40:01,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:40:01,928 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:40:01,928 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1836481950] [2021-11-07 01:40:01,928 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1836481950] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:40:01,928 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:40:01,929 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:40:01,929 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618325158] [2021-11-07 01:40:01,930 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:40:01,930 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:40:01,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:40:01,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:40:01,931 INFO L87 Difference]: Start difference. First operand 6033 states and 7522 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:40:02,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:40:02,503 INFO L93 Difference]: Finished difference Result 6033 states and 7522 transitions. [2021-11-07 01:40:02,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:40:02,504 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2021-11-07 01:40:02,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:40:02,525 INFO L225 Difference]: With dead ends: 6033 [2021-11-07 01:40:02,526 INFO L226 Difference]: Without dead ends: 6029 [2021-11-07 01:40:02,530 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:40:02,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6029 states. [2021-11-07 01:40:03,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6029 to 6029. [2021-11-07 01:40:03,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6029 states, 5931 states have (on average 1.2675771370763784) internal successors, (7518), 6028 states have internal predecessors, (7518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:40:03,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6029 states to 6029 states and 7518 transitions. [2021-11-07 01:40:03,061 INFO L78 Accepts]: Start accepts. Automaton has 6029 states and 7518 transitions. Word has length 38 [2021-11-07 01:40:03,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:40:03,063 INFO L470 AbstractCegarLoop]: Abstraction has 6029 states and 7518 transitions. [2021-11-07 01:40:03,063 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:40:03,063 INFO L276 IsEmpty]: Start isEmpty. Operand 6029 states and 7518 transitions. [2021-11-07 01:40:03,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-07 01:40:03,065 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:40:03,066 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] [2021-11-07 01:40:03,109 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-07 01:40:03,281 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:40:03,281 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr77ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 109 more)] === [2021-11-07 01:40:03,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:40:03,282 INFO L85 PathProgramCache]: Analyzing trace with hash 1022296961, now seen corresponding path program 1 times [2021-11-07 01:40:03,283 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:40:03,283 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [153516498] [2021-11-07 01:40:03,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:40:03,284 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:40:03,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:40:03,285 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:40:03,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-07 01:40:04,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:40:04,881 INFO L263 TraceCheckSpWp]: Trace formula consists of 984 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:40:04,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:40:05,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:40:05,510 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:40:06,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:40:06,145 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:40:06,145 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [153516498] [2021-11-07 01:40:06,145 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [153516498] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:40:06,145 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:40:06,145 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:40:06,146 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329901794] [2021-11-07 01:40:06,146 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:40:06,146 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:40:06,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:40:06,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:40:06,147 INFO L87 Difference]: Start difference. First operand 6029 states and 7518 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:40:06,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:40:06,554 INFO L93 Difference]: Finished difference Result 6029 states and 7518 transitions. [2021-11-07 01:40:06,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:40:06,554 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2021-11-07 01:40:06,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:40:06,571 INFO L225 Difference]: With dead ends: 6029 [2021-11-07 01:40:06,572 INFO L226 Difference]: Without dead ends: 6025 [2021-11-07 01:40:06,575 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:40:06,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6025 states. [2021-11-07 01:40:06,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6025 to 6025. [2021-11-07 01:40:06,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6025 states, 5929 states have (on average 1.2673300725248777) internal successors, (7514), 6024 states have internal predecessors, (7514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:40:06,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6025 states to 6025 states and 7514 transitions. [2021-11-07 01:40:06,981 INFO L78 Accepts]: Start accepts. Automaton has 6025 states and 7514 transitions. Word has length 40 [2021-11-07 01:40:06,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:40:06,981 INFO L470 AbstractCegarLoop]: Abstraction has 6025 states and 7514 transitions. [2021-11-07 01:40:06,981 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:40:06,982 INFO L276 IsEmpty]: Start isEmpty. Operand 6025 states and 7514 transitions. [2021-11-07 01:40:06,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-07 01:40:06,983 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:40:06,983 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] [2021-11-07 01:40:07,022 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-07 01:40:07,209 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:40:07,210 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 109 more)] === [2021-11-07 01:40:07,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:40:07,210 INFO L85 PathProgramCache]: Analyzing trace with hash 1286472018, now seen corresponding path program 1 times [2021-11-07 01:40:07,212 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:40:07,212 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1335565931] [2021-11-07 01:40:07,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:40:07,212 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:40:07,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:40:07,213 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:40:07,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-07 01:40:08,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:40:09,052 INFO L263 TraceCheckSpWp]: Trace formula consists of 1113 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:40:09,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:40:09,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:40:09,271 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:40:09,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:40:09,489 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:40:09,489 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1335565931] [2021-11-07 01:40:09,489 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1335565931] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:40:09,489 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:40:09,490 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:40:09,490 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326890872] [2021-11-07 01:40:09,490 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:40:09,490 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:40:09,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:40:09,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:40:09,491 INFO L87 Difference]: Start difference. First operand 6025 states and 7514 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:40:10,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:40:10,384 INFO L93 Difference]: Finished difference Result 14546 states and 18185 transitions. [2021-11-07 01:40:10,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:40:10,385 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) 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 42 [2021-11-07 01:40:10,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:40:10,405 INFO L225 Difference]: With dead ends: 14546 [2021-11-07 01:40:10,405 INFO L226 Difference]: Without dead ends: 8552 [2021-11-07 01:40:10,418 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:40:10,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8552 states. [2021-11-07 01:40:11,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8552 to 8478. [2021-11-07 01:40:11,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8478 states, 8382 states have (on average 1.272369362920544) internal successors, (10665), 8477 states have internal predecessors, (10665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:40:11,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8478 states to 8478 states and 10665 transitions. [2021-11-07 01:40:11,065 INFO L78 Accepts]: Start accepts. Automaton has 8478 states and 10665 transitions. Word has length 42 [2021-11-07 01:40:11,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:40:11,065 INFO L470 AbstractCegarLoop]: Abstraction has 8478 states and 10665 transitions. [2021-11-07 01:40:11,066 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:40:11,066 INFO L276 IsEmpty]: Start isEmpty. Operand 8478 states and 10665 transitions. [2021-11-07 01:40:11,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-07 01:40:11,067 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:40:11,067 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] [2021-11-07 01:40:11,108 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-07 01:40:11,281 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:40:11,281 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr78ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 109 more)] === [2021-11-07 01:40:11,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:40:11,282 INFO L85 PathProgramCache]: Analyzing trace with hash -1119408252, now seen corresponding path program 1 times [2021-11-07 01:40:11,283 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:40:11,283 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1876804] [2021-11-07 01:40:11,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:40:11,284 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:40:11,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:40:11,285 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:40:11,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-07 01:40:12,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:40:12,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 987 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:40:12,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:40:13,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:40:13,578 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:40:14,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:40:14,236 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:40:14,236 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1876804] [2021-11-07 01:40:14,236 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1876804] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:40:14,236 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:40:14,236 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:40:14,237 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635266607] [2021-11-07 01:40:14,237 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:40:14,237 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:40:14,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:40:14,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:40:14,239 INFO L87 Difference]: Start difference. First operand 8478 states and 10665 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:40:14,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:40:14,720 INFO L93 Difference]: Finished difference Result 8478 states and 10665 transitions. [2021-11-07 01:40:14,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:40:14,721 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 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 42 [2021-11-07 01:40:14,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:40:14,740 INFO L225 Difference]: With dead ends: 8478 [2021-11-07 01:40:14,740 INFO L226 Difference]: Without dead ends: 8474 [2021-11-07 01:40:14,744 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:40:14,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8474 states. [2021-11-07 01:40:15,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8474 to 8474. [2021-11-07 01:40:15,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8474 states, 8380 states have (on average 1.2721957040572793) internal successors, (10661), 8473 states have internal predecessors, (10661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:40:15,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8474 states to 8474 states and 10661 transitions. [2021-11-07 01:40:15,448 INFO L78 Accepts]: Start accepts. Automaton has 8474 states and 10661 transitions. Word has length 42 [2021-11-07 01:40:15,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:40:15,449 INFO L470 AbstractCegarLoop]: Abstraction has 8474 states and 10661 transitions. [2021-11-07 01:40:15,449 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:40:15,449 INFO L276 IsEmpty]: Start isEmpty. Operand 8474 states and 10661 transitions. [2021-11-07 01:40:15,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-07 01:40:15,450 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:40:15,450 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] [2021-11-07 01:40:15,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-07 01:40:15,667 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:40:15,668 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr79ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 109 more)] === [2021-11-07 01:40:15,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:40:15,668 INFO L85 PathProgramCache]: Analyzing trace with hash -2008781848, now seen corresponding path program 1 times [2021-11-07 01:40:15,669 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:40:15,670 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1263875946] [2021-11-07 01:40:15,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:40:15,670 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:40:15,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:40:15,671 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:40:15,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-07 01:40:17,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:40:17,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 990 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:40:17,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:40:18,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:40:18,206 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:40:18,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:40:18,970 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:40:18,970 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1263875946] [2021-11-07 01:40:18,970 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1263875946] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:40:18,971 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:40:18,971 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:40:18,971 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916547955] [2021-11-07 01:40:18,972 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:40:18,972 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:40:18,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:40:18,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:40:18,974 INFO L87 Difference]: Start difference. First operand 8474 states and 10661 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:40:19,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:40:19,598 INFO L93 Difference]: Finished difference Result 8474 states and 10661 transitions. [2021-11-07 01:40:19,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:40:19,599 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-11-07 01:40:19,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:40:19,613 INFO L225 Difference]: With dead ends: 8474 [2021-11-07 01:40:19,613 INFO L226 Difference]: Without dead ends: 8470 [2021-11-07 01:40:19,615 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:40:19,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8470 states. [2021-11-07 01:40:20,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8470 to 8470. [2021-11-07 01:40:20,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8470 states, 8378 states have (on average 1.2720219622821676) internal successors, (10657), 8469 states have internal predecessors, (10657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:40:20,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8470 states to 8470 states and 10657 transitions. [2021-11-07 01:40:20,292 INFO L78 Accepts]: Start accepts. Automaton has 8470 states and 10657 transitions. Word has length 44 [2021-11-07 01:40:20,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:40:20,292 INFO L470 AbstractCegarLoop]: Abstraction has 8470 states and 10657 transitions. [2021-11-07 01:40:20,292 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:40:20,293 INFO L276 IsEmpty]: Start isEmpty. Operand 8470 states and 10657 transitions. [2021-11-07 01:40:20,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-07 01:40:20,293 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:40:20,294 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:40:20,324 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-11-07 01:40:20,517 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:40:20,517 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 109 more)] === [2021-11-07 01:40:20,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:40:20,518 INFO L85 PathProgramCache]: Analyzing trace with hash 1628292531, now seen corresponding path program 1 times [2021-11-07 01:40:20,519 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:40:20,519 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1398589491] [2021-11-07 01:40:20,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:40:20,519 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:40:20,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:40:20,525 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:40:20,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-07 01:40:22,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:40:22,237 INFO L263 TraceCheckSpWp]: Trace formula consists of 1117 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:40:22,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:40:22,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:40:22,525 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:40:22,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:40:22,823 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:40:22,823 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1398589491] [2021-11-07 01:40:22,823 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1398589491] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:40:22,823 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:40:22,823 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:40:22,824 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43909567] [2021-11-07 01:40:22,824 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:40:22,824 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:40:22,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:40:22,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:40:22,825 INFO L87 Difference]: Start difference. First operand 8470 states and 10657 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:40:23,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:40:23,665 INFO L93 Difference]: Finished difference Result 16906 states and 21278 transitions. [2021-11-07 01:40:23,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:40:23,666 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2021-11-07 01:40:23,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:40:23,682 INFO L225 Difference]: With dead ends: 16906 [2021-11-07 01:40:23,682 INFO L226 Difference]: Without dead ends: 8467 [2021-11-07 01:40:23,697 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:40:23,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8467 states. [2021-11-07 01:40:24,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8467 to 8467. [2021-11-07 01:40:24,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8467 states, 8376 states have (on average 1.2718481375358166) internal successors, (10653), 8466 states have internal predecessors, (10653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:40:24,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8467 states to 8467 states and 10653 transitions. [2021-11-07 01:40:24,206 INFO L78 Accepts]: Start accepts. Automaton has 8467 states and 10653 transitions. Word has length 45 [2021-11-07 01:40:24,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:40:24,206 INFO L470 AbstractCegarLoop]: Abstraction has 8467 states and 10653 transitions. [2021-11-07 01:40:24,206 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:40:24,207 INFO L276 IsEmpty]: Start isEmpty. Operand 8467 states and 10653 transitions. [2021-11-07 01:40:24,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-07 01:40:24,207 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:40:24,207 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] [2021-11-07 01:40:24,234 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-11-07 01:40:24,408 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:40:24,408 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr80ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 109 more)] === [2021-11-07 01:40:24,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:40:24,408 INFO L85 PathProgramCache]: Analyzing trace with hash -1998315348, now seen corresponding path program 1 times [2021-11-07 01:40:24,411 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:40:24,411 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1090177197] [2021-11-07 01:40:24,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:40:24,412 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:40:24,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:40:24,413 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:40:24,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-11-07 01:40:25,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:40:25,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 993 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:40:25,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:40:26,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:40:26,696 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:40:27,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:40:27,392 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:40:27,392 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1090177197] [2021-11-07 01:40:27,392 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1090177197] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:40:27,392 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:40:27,393 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:40:27,393 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598513928] [2021-11-07 01:40:27,393 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:40:27,393 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:40:27,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:40:27,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:40:27,394 INFO L87 Difference]: Start difference. First operand 8467 states and 10653 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:40:27,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:40:27,992 INFO L93 Difference]: Finished difference Result 8467 states and 10653 transitions. [2021-11-07 01:40:27,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:40:27,992 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2021-11-07 01:40:27,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:40:28,002 INFO L225 Difference]: With dead ends: 8467 [2021-11-07 01:40:28,003 INFO L226 Difference]: Without dead ends: 8463 [2021-11-07 01:40:28,005 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:40:28,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8463 states. [2021-11-07 01:40:28,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8463 to 8463. [2021-11-07 01:40:28,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8463 states, 8374 states have (on average 1.271674229758777) internal successors, (10649), 8462 states have internal predecessors, (10649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:40:28,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8463 states to 8463 states and 10649 transitions. [2021-11-07 01:40:28,653 INFO L78 Accepts]: Start accepts. Automaton has 8463 states and 10649 transitions. Word has length 46 [2021-11-07 01:40:28,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:40:28,653 INFO L470 AbstractCegarLoop]: Abstraction has 8463 states and 10649 transitions. [2021-11-07 01:40:28,653 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:40:28,653 INFO L276 IsEmpty]: Start isEmpty. Operand 8463 states and 10649 transitions. [2021-11-07 01:40:28,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-07 01:40:28,654 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:40:28,654 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] [2021-11-07 01:40:28,676 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-11-07 01:40:28,854 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:40:28,855 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr81ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 109 more)] === [2021-11-07 01:40:28,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:40:28,855 INFO L85 PathProgramCache]: Analyzing trace with hash -529943088, now seen corresponding path program 1 times [2021-11-07 01:40:28,856 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:40:28,856 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1157773061] [2021-11-07 01:40:28,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:40:28,857 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:40:28,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:40:28,859 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:40:28,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-11-07 01:40:30,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:40:30,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 996 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:40:30,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:40:31,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:40:31,224 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:40:32,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:40:32,020 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:40:32,020 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1157773061] [2021-11-07 01:40:32,020 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1157773061] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:40:32,020 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:40:32,020 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:40:32,020 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958018211] [2021-11-07 01:40:32,021 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:40:32,021 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:40:32,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:40:32,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:40:32,022 INFO L87 Difference]: Start difference. First operand 8463 states and 10649 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:40:32,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:40:32,643 INFO L93 Difference]: Finished difference Result 8463 states and 10649 transitions. [2021-11-07 01:40:32,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:40:32,644 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 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 48 [2021-11-07 01:40:32,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:40:32,655 INFO L225 Difference]: With dead ends: 8463 [2021-11-07 01:40:32,655 INFO L226 Difference]: Without dead ends: 8459 [2021-11-07 01:40:32,658 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:40:32,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8459 states. [2021-11-07 01:40:33,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8459 to 8459. [2021-11-07 01:40:33,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8459 states, 8372 states have (on average 1.2715002388915433) internal successors, (10645), 8458 states have internal predecessors, (10645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:40:33,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8459 states to 8459 states and 10645 transitions. [2021-11-07 01:40:33,350 INFO L78 Accepts]: Start accepts. Automaton has 8459 states and 10645 transitions. Word has length 48 [2021-11-07 01:40:33,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:40:33,350 INFO L470 AbstractCegarLoop]: Abstraction has 8459 states and 10645 transitions. [2021-11-07 01:40:33,350 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:40:33,350 INFO L276 IsEmpty]: Start isEmpty. Operand 8459 states and 10645 transitions. [2021-11-07 01:40:33,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-07 01:40:33,351 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:40:33,351 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] [2021-11-07 01:40:33,381 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-11-07 01:40:33,551 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:40:33,552 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr82ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 109 more)] === [2021-11-07 01:40:33,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:40:33,552 INFO L85 PathProgramCache]: Analyzing trace with hash 1826526036, now seen corresponding path program 1 times [2021-11-07 01:40:33,554 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:40:33,554 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [246340394] [2021-11-07 01:40:33,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:40:33,554 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:40:33,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:40:33,555 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:40:33,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-11-07 01:40:35,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:40:35,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 999 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:40:35,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:40:36,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:40:36,142 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:40:36,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:40:36,983 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:40:36,984 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [246340394] [2021-11-07 01:40:36,984 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [246340394] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:40:36,984 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:40:36,984 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:40:36,984 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330633824] [2021-11-07 01:40:36,985 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:40:36,986 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:40:36,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:40:36,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:40:36,986 INFO L87 Difference]: Start difference. First operand 8459 states and 10645 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:40:37,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:40:37,741 INFO L93 Difference]: Finished difference Result 8459 states and 10645 transitions. [2021-11-07 01:40:37,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:40:37,742 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2021-11-07 01:40:37,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:40:37,755 INFO L225 Difference]: With dead ends: 8459 [2021-11-07 01:40:37,755 INFO L226 Difference]: Without dead ends: 8455 [2021-11-07 01:40:37,757 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:40:37,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8455 states. [2021-11-07 01:40:38,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8455 to 8455. [2021-11-07 01:40:38,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8455 states, 8370 states have (on average 1.271326164874552) internal successors, (10641), 8454 states have internal predecessors, (10641), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:40:38,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8455 states to 8455 states and 10641 transitions. [2021-11-07 01:40:38,359 INFO L78 Accepts]: Start accepts. Automaton has 8455 states and 10641 transitions. Word has length 50 [2021-11-07 01:40:38,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:40:38,359 INFO L470 AbstractCegarLoop]: Abstraction has 8455 states and 10641 transitions. [2021-11-07 01:40:38,360 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:40:38,360 INFO L276 IsEmpty]: Start isEmpty. Operand 8455 states and 10641 transitions. [2021-11-07 01:40:38,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-07 01:40:38,361 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:40:38,361 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] [2021-11-07 01:40:38,389 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-11-07 01:40:38,561 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:40:38,562 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr83ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 109 more)] === [2021-11-07 01:40:38,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:40:38,562 INFO L85 PathProgramCache]: Analyzing trace with hash -1349377736, now seen corresponding path program 1 times [2021-11-07 01:40:38,563 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:40:38,564 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1932953304] [2021-11-07 01:40:38,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:40:38,564 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:40:38,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:40:38,565 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:40:38,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-11-07 01:40:40,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:40:40,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 1002 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:40:40,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:40:40,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:40:40,989 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:40:41,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:40:41,746 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:40:41,746 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1932953304] [2021-11-07 01:40:41,746 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1932953304] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:40:41,746 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:40:41,747 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:40:41,747 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811625796] [2021-11-07 01:40:41,747 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:40:41,748 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:40:41,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:40:41,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:40:41,749 INFO L87 Difference]: Start difference. First operand 8455 states and 10641 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:40:42,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:40:42,434 INFO L93 Difference]: Finished difference Result 8455 states and 10641 transitions. [2021-11-07 01:40:42,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:40:42,435 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 52 [2021-11-07 01:40:42,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:40:42,445 INFO L225 Difference]: With dead ends: 8455 [2021-11-07 01:40:42,445 INFO L226 Difference]: Without dead ends: 8451 [2021-11-07 01:40:42,448 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:40:42,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8451 states. [2021-11-07 01:40:43,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8451 to 8451. [2021-11-07 01:40:43,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8451 states, 8368 states have (on average 1.2711520076481835) internal successors, (10637), 8450 states have internal predecessors, (10637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:40:43,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8451 states to 8451 states and 10637 transitions. [2021-11-07 01:40:43,096 INFO L78 Accepts]: Start accepts. Automaton has 8451 states and 10637 transitions. Word has length 52 [2021-11-07 01:40:43,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:40:43,097 INFO L470 AbstractCegarLoop]: Abstraction has 8451 states and 10637 transitions. [2021-11-07 01:40:43,097 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:40:43,097 INFO L276 IsEmpty]: Start isEmpty. Operand 8451 states and 10637 transitions. [2021-11-07 01:40:43,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-07 01:40:43,098 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:40:43,098 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:40:43,130 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2021-11-07 01:40:43,305 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:40:43,305 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr84ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 109 more)] === [2021-11-07 01:40:43,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:40:43,306 INFO L85 PathProgramCache]: Analyzing trace with hash 328845180, now seen corresponding path program 1 times [2021-11-07 01:40:43,308 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:40:43,309 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1286045449] [2021-11-07 01:40:43,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:40:43,309 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:40:43,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:40:43,310 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:40:43,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-11-07 01:40:45,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:40:45,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 1005 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:40:45,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:40:46,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:40:46,038 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:40:47,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:40:47,936 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:40:47,936 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1286045449] [2021-11-07 01:40:47,936 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1286045449] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:40:47,936 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:40:47,937 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-11-07 01:40:47,937 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288151612] [2021-11-07 01:40:47,937 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 01:40:47,938 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:40:47,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 01:40:47,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:40:47,939 INFO L87 Difference]: Start difference. First operand 8451 states and 10637 transitions. Second operand has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 5 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:40:48,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:40:48,731 INFO L93 Difference]: Finished difference Result 8451 states and 10637 transitions. [2021-11-07 01:40:48,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:40:48,732 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 5 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2021-11-07 01:40:48,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:40:48,743 INFO L225 Difference]: With dead ends: 8451 [2021-11-07 01:40:48,743 INFO L226 Difference]: Without dead ends: 8447 [2021-11-07 01:40:48,746 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 01:40:48,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8447 states. [2021-11-07 01:40:49,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8447 to 8447. [2021-11-07 01:40:49,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8447 states, 8366 states have (on average 1.2709777671527611) internal successors, (10633), 8446 states have internal predecessors, (10633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:40:49,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8447 states to 8447 states and 10633 transitions. [2021-11-07 01:40:49,443 INFO L78 Accepts]: Start accepts. Automaton has 8447 states and 10633 transitions. Word has length 54 [2021-11-07 01:40:49,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:40:49,443 INFO L470 AbstractCegarLoop]: Abstraction has 8447 states and 10633 transitions. [2021-11-07 01:40:49,443 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 5 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:40:49,443 INFO L276 IsEmpty]: Start isEmpty. Operand 8447 states and 10633 transitions. [2021-11-07 01:40:49,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-07 01:40:49,444 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:40:49,444 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:40:49,482 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2021-11-07 01:40:49,645 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:40:49,645 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr85ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 109 more)] === [2021-11-07 01:40:49,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:40:49,645 INFO L85 PathProgramCache]: Analyzing trace with hash -1806635488, now seen corresponding path program 1 times [2021-11-07 01:40:49,647 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:40:49,647 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1733770116] [2021-11-07 01:40:49,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:40:49,647 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:40:49,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:40:49,648 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:40:49,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2021-11-07 01:40:51,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:40:51,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 1008 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:40:51,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:40:52,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:40:52,186 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:40:53,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:40:53,075 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:40:53,075 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1733770116] [2021-11-07 01:40:53,075 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1733770116] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:40:53,075 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:40:53,075 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:40:53,075 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282804647] [2021-11-07 01:40:53,076 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:40:53,076 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:40:53,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:40:53,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:40:53,077 INFO L87 Difference]: Start difference. First operand 8447 states and 10633 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:40:53,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:40:53,786 INFO L93 Difference]: Finished difference Result 8447 states and 10633 transitions. [2021-11-07 01:40:53,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:40:53,786 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-11-07 01:40:53,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:40:53,796 INFO L225 Difference]: With dead ends: 8447 [2021-11-07 01:40:53,796 INFO L226 Difference]: Without dead ends: 8443 [2021-11-07 01:40:53,799 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 106 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:40:53,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8443 states. [2021-11-07 01:40:54,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8443 to 8443. [2021-11-07 01:40:54,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8443 states, 8364 states have (on average 1.2708034433285509) internal successors, (10629), 8442 states have internal predecessors, (10629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:40:54,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8443 states to 8443 states and 10629 transitions. [2021-11-07 01:40:54,469 INFO L78 Accepts]: Start accepts. Automaton has 8443 states and 10629 transitions. Word has length 56 [2021-11-07 01:40:54,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:40:54,469 INFO L470 AbstractCegarLoop]: Abstraction has 8443 states and 10629 transitions. [2021-11-07 01:40:54,469 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:40:54,469 INFO L276 IsEmpty]: Start isEmpty. Operand 8443 states and 10629 transitions. [2021-11-07 01:40:54,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-07 01:40:54,470 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:40:54,470 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] [2021-11-07 01:40:54,496 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2021-11-07 01:40:54,673 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:40:54,673 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr86ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 109 more)] === [2021-11-07 01:40:54,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:40:54,674 INFO L85 PathProgramCache]: Analyzing trace with hash -1009189596, now seen corresponding path program 1 times [2021-11-07 01:40:54,675 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:40:54,675 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [585356097] [2021-11-07 01:40:54,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:40:54,676 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:40:54,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:40:54,676 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:40:54,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-11-07 01:40:56,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:40:56,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 1011 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:40:56,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:40:57,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:40:57,310 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:40:58,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:40:58,173 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:40:58,173 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [585356097] [2021-11-07 01:40:58,173 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [585356097] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:40:58,173 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:40:58,173 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:40:58,173 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4279121] [2021-11-07 01:40:58,174 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:40:58,174 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:40:58,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:40:58,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:40:58,175 INFO L87 Difference]: Start difference. First operand 8443 states and 10629 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:40:58,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:40:58,941 INFO L93 Difference]: Finished difference Result 8443 states and 10629 transitions. [2021-11-07 01:40:58,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:40:58,941 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 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 58 [2021-11-07 01:40:58,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:40:58,954 INFO L225 Difference]: With dead ends: 8443 [2021-11-07 01:40:58,954 INFO L226 Difference]: Without dead ends: 8439 [2021-11-07 01:40:58,958 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:40:58,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8439 states. [2021-11-07 01:40:59,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8439 to 8439. [2021-11-07 01:40:59,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8439 states, 8362 states have (on average 1.2706290361157617) internal successors, (10625), 8438 states have internal predecessors, (10625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:40:59,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8439 states to 8439 states and 10625 transitions. [2021-11-07 01:40:59,766 INFO L78 Accepts]: Start accepts. Automaton has 8439 states and 10625 transitions. Word has length 58 [2021-11-07 01:40:59,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:40:59,766 INFO L470 AbstractCegarLoop]: Abstraction has 8439 states and 10625 transitions. [2021-11-07 01:40:59,766 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:40:59,766 INFO L276 IsEmpty]: Start isEmpty. Operand 8439 states and 10625 transitions. [2021-11-07 01:40:59,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-07 01:40:59,767 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:40:59,768 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:40:59,815 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2021-11-07 01:40:59,981 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:40:59,981 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr87ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 109 more)] === [2021-11-07 01:40:59,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:40:59,982 INFO L85 PathProgramCache]: Analyzing trace with hash 832134280, now seen corresponding path program 1 times [2021-11-07 01:40:59,983 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:40:59,983 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1087667226] [2021-11-07 01:40:59,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:40:59,984 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:40:59,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:40:59,985 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:40:59,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2021-11-07 01:41:01,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:41:01,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 1014 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:41:01,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:41:02,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:41:02,634 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:41:03,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:41:03,570 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:41:03,570 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1087667226] [2021-11-07 01:41:03,570 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1087667226] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:41:03,570 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:41:03,570 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:41:03,570 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154296747] [2021-11-07 01:41:03,571 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:41:03,571 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:41:03,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:41:03,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:41:03,572 INFO L87 Difference]: Start difference. First operand 8439 states and 10625 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:41:04,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:41:04,441 INFO L93 Difference]: Finished difference Result 8439 states and 10625 transitions. [2021-11-07 01:41:04,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:41:04,442 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2021-11-07 01:41:04,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:41:04,454 INFO L225 Difference]: With dead ends: 8439 [2021-11-07 01:41:04,454 INFO L226 Difference]: Without dead ends: 8435 [2021-11-07 01:41:04,457 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:41:04,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8435 states. [2021-11-07 01:41:05,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8435 to 8435. [2021-11-07 01:41:05,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8435 states, 8360 states have (on average 1.2704545454545455) internal successors, (10621), 8434 states have internal predecessors, (10621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:41:05,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8435 states to 8435 states and 10621 transitions. [2021-11-07 01:41:05,243 INFO L78 Accepts]: Start accepts. Automaton has 8435 states and 10621 transitions. Word has length 60 [2021-11-07 01:41:05,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:41:05,243 INFO L470 AbstractCegarLoop]: Abstraction has 8435 states and 10621 transitions. [2021-11-07 01:41:05,243 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:41:05,243 INFO L276 IsEmpty]: Start isEmpty. Operand 8435 states and 10621 transitions. [2021-11-07 01:41:05,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-07 01:41:05,244 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:41:05,244 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] [2021-11-07 01:41:05,270 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2021-11-07 01:41:05,444 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:41:05,445 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr88ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 109 more)] === [2021-11-07 01:41:05,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:41:05,445 INFO L85 PathProgramCache]: Analyzing trace with hash 817853516, now seen corresponding path program 1 times [2021-11-07 01:41:05,447 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:41:05,447 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [341135464] [2021-11-07 01:41:05,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:41:05,447 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:41:05,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:41:05,449 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:41:05,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2021-11-07 01:41:07,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:41:07,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 1017 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:41:07,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:41:08,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:41:08,130 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:41:09,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:41:09,118 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:41:09,118 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [341135464] [2021-11-07 01:41:09,119 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [341135464] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:41:09,119 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:41:09,119 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:41:09,119 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62674273] [2021-11-07 01:41:09,119 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:41:09,120 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:41:09,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:41:09,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:41:09,121 INFO L87 Difference]: Start difference. First operand 8435 states and 10621 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:41:09,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:41:09,959 INFO L93 Difference]: Finished difference Result 8435 states and 10621 transitions. [2021-11-07 01:41:09,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:41:09,960 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2021-11-07 01:41:09,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:41:09,972 INFO L225 Difference]: With dead ends: 8435 [2021-11-07 01:41:09,973 INFO L226 Difference]: Without dead ends: 8431 [2021-11-07 01:41:09,976 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:41:09,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8431 states. [2021-11-07 01:41:10,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8431 to 8431. [2021-11-07 01:41:10,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8431 states, 8358 states have (on average 1.2702799712849964) internal successors, (10617), 8430 states have internal predecessors, (10617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:41:10,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8431 states to 8431 states and 10617 transitions. [2021-11-07 01:41:10,763 INFO L78 Accepts]: Start accepts. Automaton has 8431 states and 10617 transitions. Word has length 62 [2021-11-07 01:41:10,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:41:10,763 INFO L470 AbstractCegarLoop]: Abstraction has 8431 states and 10617 transitions. [2021-11-07 01:41:10,763 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:41:10,763 INFO L276 IsEmpty]: Start isEmpty. Operand 8431 states and 10617 transitions. [2021-11-07 01:41:10,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-07 01:41:10,764 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:41:10,764 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] [2021-11-07 01:41:10,789 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2021-11-07 01:41:10,964 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:41:10,965 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr89ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 109 more)] === [2021-11-07 01:41:10,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:41:10,965 INFO L85 PathProgramCache]: Analyzing trace with hash -21058448, now seen corresponding path program 1 times [2021-11-07 01:41:10,966 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:41:10,966 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [578807372] [2021-11-07 01:41:10,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:41:10,967 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:41:10,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:41:10,967 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:41:10,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2021-11-07 01:41:12,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:41:12,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 1020 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:41:12,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:41:13,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:41:13,698 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:41:14,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:41:14,642 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:41:14,642 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [578807372] [2021-11-07 01:41:14,642 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [578807372] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:41:14,642 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:41:14,642 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:41:14,642 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77103220] [2021-11-07 01:41:14,643 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:41:14,643 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:41:14,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:41:14,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:41:14,643 INFO L87 Difference]: Start difference. First operand 8431 states and 10617 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:41:15,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:41:15,635 INFO L93 Difference]: Finished difference Result 8431 states and 10617 transitions. [2021-11-07 01:41:15,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:41:15,638 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2021-11-07 01:41:15,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:41:15,648 INFO L225 Difference]: With dead ends: 8431 [2021-11-07 01:41:15,648 INFO L226 Difference]: Without dead ends: 8427 [2021-11-07 01:41:15,650 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:41:15,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8427 states. [2021-11-07 01:41:16,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8427 to 8427. [2021-11-07 01:41:16,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8427 states, 8356 states have (on average 1.2701053135471518) internal successors, (10613), 8426 states have internal predecessors, (10613), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:41:16,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8427 states to 8427 states and 10613 transitions. [2021-11-07 01:41:16,462 INFO L78 Accepts]: Start accepts. Automaton has 8427 states and 10613 transitions. Word has length 64 [2021-11-07 01:41:16,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:41:16,463 INFO L470 AbstractCegarLoop]: Abstraction has 8427 states and 10613 transitions. [2021-11-07 01:41:16,463 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:41:16,463 INFO L276 IsEmpty]: Start isEmpty. Operand 8427 states and 10613 transitions. [2021-11-07 01:41:16,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-07 01:41:16,464 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:41:16,464 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] [2021-11-07 01:41:16,492 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (23)] Forceful destruction successful, exit code 0 [2021-11-07 01:41:16,665 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:41:16,665 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr90ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 109 more)] === [2021-11-07 01:41:16,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:41:16,665 INFO L85 PathProgramCache]: Analyzing trace with hash 1238396148, now seen corresponding path program 1 times [2021-11-07 01:41:16,667 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:41:16,667 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1441202614] [2021-11-07 01:41:16,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:41:16,667 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:41:16,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:41:16,668 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:41:16,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2021-11-07 01:41:18,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:41:18,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 1023 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:41:18,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:41:19,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:41:19,529 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:41:20,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:41:20,676 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:41:20,677 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1441202614] [2021-11-07 01:41:20,677 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1441202614] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:41:20,677 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:41:20,677 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:41:20,678 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689945605] [2021-11-07 01:41:20,678 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:41:20,678 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:41:20,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:41:20,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:41:20,679 INFO L87 Difference]: Start difference. First operand 8427 states and 10613 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:41:21,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:41:21,486 INFO L93 Difference]: Finished difference Result 8427 states and 10613 transitions. [2021-11-07 01:41:21,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:41:21,486 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2021-11-07 01:41:21,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:41:21,497 INFO L225 Difference]: With dead ends: 8427 [2021-11-07 01:41:21,497 INFO L226 Difference]: Without dead ends: 8295 [2021-11-07 01:41:21,501 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:41:21,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8295 states. [2021-11-07 01:41:22,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8295 to 8295. [2021-11-07 01:41:22,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8295 states, 8226 states have (on average 1.273644541697058) internal successors, (10477), 8294 states have internal predecessors, (10477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:41:22,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8295 states to 8295 states and 10477 transitions. [2021-11-07 01:41:22,259 INFO L78 Accepts]: Start accepts. Automaton has 8295 states and 10477 transitions. Word has length 66 [2021-11-07 01:41:22,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:41:22,259 INFO L470 AbstractCegarLoop]: Abstraction has 8295 states and 10477 transitions. [2021-11-07 01:41:22,259 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:41:22,259 INFO L276 IsEmpty]: Start isEmpty. Operand 8295 states and 10477 transitions. [2021-11-07 01:41:22,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-07 01:41:22,260 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:41:22,260 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] [2021-11-07 01:41:22,286 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (24)] Forceful destruction successful, exit code 0 [2021-11-07 01:41:22,460 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:41:22,461 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 109 more)] === [2021-11-07 01:41:22,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:41:22,461 INFO L85 PathProgramCache]: Analyzing trace with hash 2017713289, now seen corresponding path program 1 times [2021-11-07 01:41:22,463 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:41:22,463 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [964764777] [2021-11-07 01:41:22,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:41:22,463 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:41:22,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:41:22,464 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:41:22,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2021-11-07 01:41:24,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:41:24,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 1214 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-07 01:41:24,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:41:26,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:41:26,129 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:41:28,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:41:28,173 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:41:28,173 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [964764777] [2021-11-07 01:41:28,173 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [964764777] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:41:28,173 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:41:28,173 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 12] imperfect sequences [] total 21 [2021-11-07 01:41:28,173 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567946115] [2021-11-07 01:41:28,174 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-11-07 01:41:28,174 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:41:28,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-11-07 01:41:28,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=372, Unknown=0, NotChecked=0, Total=420 [2021-11-07 01:41:28,174 INFO L87 Difference]: Start difference. First operand 8295 states and 10477 transitions. Second operand has 21 states, 21 states have (on average 4.476190476190476) internal successors, (94), 21 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:41:43,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:41:43,918 INFO L93 Difference]: Finished difference Result 32640 states and 41243 transitions. [2021-11-07 01:41:43,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-11-07 01:41:43,918 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 4.476190476190476) internal successors, (94), 21 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 77 [2021-11-07 01:41:43,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:41:43,951 INFO L225 Difference]: With dead ends: 32640 [2021-11-07 01:41:43,951 INFO L226 Difference]: Without dead ends: 24372 [2021-11-07 01:41:43,966 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 755 ImplicationChecksByTransitivity, 9.5s TimeCoverageRelationStatistics Valid=816, Invalid=2606, Unknown=0, NotChecked=0, Total=3422 [2021-11-07 01:41:43,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24372 states. [2021-11-07 01:41:45,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24372 to 8316. [2021-11-07 01:41:45,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8316 states, 8247 states have (on average 1.2731902510003639) internal successors, (10500), 8315 states have internal predecessors, (10500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:41:45,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8316 states to 8316 states and 10500 transitions. [2021-11-07 01:41:45,240 INFO L78 Accepts]: Start accepts. Automaton has 8316 states and 10500 transitions. Word has length 77 [2021-11-07 01:41:45,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:41:45,240 INFO L470 AbstractCegarLoop]: Abstraction has 8316 states and 10500 transitions. [2021-11-07 01:41:45,240 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 4.476190476190476) internal successors, (94), 21 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:41:45,240 INFO L276 IsEmpty]: Start isEmpty. Operand 8316 states and 10500 transitions. [2021-11-07 01:41:45,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-07 01:41:45,241 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:41:45,241 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] [2021-11-07 01:41:45,278 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (25)] Forceful destruction successful, exit code 0 [2021-11-07 01:41:45,442 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:41:45,442 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 109 more)] === [2021-11-07 01:41:45,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:41:45,442 INFO L85 PathProgramCache]: Analyzing trace with hash 1999137193, now seen corresponding path program 1 times [2021-11-07 01:41:45,445 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:41:45,445 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1776837390] [2021-11-07 01:41:45,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:41:45,445 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:41:45,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:41:45,446 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:41:45,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2021-11-07 01:41:48,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:41:48,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 1516 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-07 01:41:48,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:41:49,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:41:49,213 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:41:50,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:41:50,275 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:41:50,275 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1776837390] [2021-11-07 01:41:50,275 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1776837390] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:41:50,275 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:41:50,275 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-07 01:41:50,275 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55075126] [2021-11-07 01:41:50,276 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 01:41:50,276 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:41:50,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 01:41:50,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-07 01:41:50,276 INFO L87 Difference]: Start difference. First operand 8316 states and 10500 transitions. Second operand has 8 states, 8 states have (on average 14.375) internal successors, (115), 8 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:41:55,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:41:55,144 INFO L93 Difference]: Finished difference Result 16702 states and 21076 transitions. [2021-11-07 01:41:55,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 01:41:55,145 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 111 [2021-11-07 01:41:55,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:41:55,158 INFO L225 Difference]: With dead ends: 16702 [2021-11-07 01:41:55,158 INFO L226 Difference]: Without dead ends: 8415 [2021-11-07 01:41:55,170 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-07 01:41:55,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8415 states. [2021-11-07 01:41:56,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8415 to 8319. [2021-11-07 01:41:56,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8319 states, 8250 states have (on average 1.273090909090909) internal successors, (10503), 8318 states have internal predecessors, (10503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:41:56,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8319 states to 8319 states and 10503 transitions. [2021-11-07 01:41:56,360 INFO L78 Accepts]: Start accepts. Automaton has 8319 states and 10503 transitions. Word has length 111 [2021-11-07 01:41:56,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:41:56,361 INFO L470 AbstractCegarLoop]: Abstraction has 8319 states and 10503 transitions. [2021-11-07 01:41:56,361 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 8 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:41:56,361 INFO L276 IsEmpty]: Start isEmpty. Operand 8319 states and 10503 transitions. [2021-11-07 01:41:56,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-11-07 01:41:56,363 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:41:56,363 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] [2021-11-07 01:41:56,401 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (26)] Forceful destruction successful, exit code 0 [2021-11-07 01:41:56,563 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:41:56,563 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 109 more)] === [2021-11-07 01:41:56,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:41:56,564 INFO L85 PathProgramCache]: Analyzing trace with hash -781273963, now seen corresponding path program 1 times [2021-11-07 01:41:56,565 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:41:56,566 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1651288977] [2021-11-07 01:41:56,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:41:56,566 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:41:56,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:41:56,567 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:41:56,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2021-11-07 01:41:59,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:41:59,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 1544 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 01:41:59,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:42:00,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:42:00,359 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:42:01,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:42:01,138 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:42:01,138 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1651288977] [2021-11-07 01:42:01,138 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1651288977] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:42:01,138 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:42:01,138 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-07 01:42:01,138 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909949202] [2021-11-07 01:42:01,139 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 01:42:01,139 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:42:01,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 01:42:01,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-07 01:42:01,140 INFO L87 Difference]: Start difference. First operand 8319 states and 10503 transitions. Second operand has 8 states, 8 states have (on average 15.125) internal successors, (121), 8 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:42:06,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:42:06,108 INFO L93 Difference]: Finished difference Result 24534 states and 31027 transitions. [2021-11-07 01:42:06,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 01:42:06,109 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 15.125) internal successors, (121), 8 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 117 [2021-11-07 01:42:06,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:42:06,129 INFO L225 Difference]: With dead ends: 24534 [2021-11-07 01:42:06,129 INFO L226 Difference]: Without dead ends: 16244 [2021-11-07 01:42:06,140 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-07 01:42:06,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16244 states. [2021-11-07 01:42:07,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16244 to 8322. [2021-11-07 01:42:07,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8322 states, 8253 states have (on average 1.2729916394038532) internal successors, (10506), 8321 states have internal predecessors, (10506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:42:07,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8322 states to 8322 states and 10506 transitions. [2021-11-07 01:42:07,463 INFO L78 Accepts]: Start accepts. Automaton has 8322 states and 10506 transitions. Word has length 117 [2021-11-07 01:42:07,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:42:07,463 INFO L470 AbstractCegarLoop]: Abstraction has 8322 states and 10506 transitions. [2021-11-07 01:42:07,463 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.125) internal successors, (121), 8 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:42:07,463 INFO L276 IsEmpty]: Start isEmpty. Operand 8322 states and 10506 transitions. [2021-11-07 01:42:07,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-11-07 01:42:07,464 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:42:07,464 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] [2021-11-07 01:42:07,501 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (27)] Ended with exit code 0 [2021-11-07 01:42:07,665 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:42:07,665 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 109 more)] === [2021-11-07 01:42:07,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:42:07,666 INFO L85 PathProgramCache]: Analyzing trace with hash -1352534718, now seen corresponding path program 1 times [2021-11-07 01:42:07,667 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:42:07,668 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1341479546] [2021-11-07 01:42:07,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:42:07,668 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:42:07,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:42:07,669 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:42:07,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2021-11-07 01:42:10,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:42:10,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 1564 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:42:10,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:42:11,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:42:11,404 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:42:11,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:42:11,890 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:42:11,890 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1341479546] [2021-11-07 01:42:11,890 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1341479546] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:42:11,890 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:42:11,890 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:42:11,890 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340682434] [2021-11-07 01:42:11,890 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:42:11,891 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:42:11,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:42:11,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:42:11,891 INFO L87 Difference]: Start difference. First operand 8322 states and 10506 transitions. Second operand has 4 states, 4 states have (on average 31.0) internal successors, (124), 4 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:42:15,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:42:15,808 INFO L93 Difference]: Finished difference Result 33175 states and 41904 transitions. [2021-11-07 01:42:15,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:42:15,810 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.0) internal successors, (124), 4 states have internal predecessors, (124), 0 states have call successors, (0), 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 122 [2021-11-07 01:42:15,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:42:15,849 INFO L225 Difference]: With dead ends: 33175 [2021-11-07 01:42:15,849 INFO L226 Difference]: Without dead ends: 24882 [2021-11-07 01:42:15,861 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:42:15,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24882 states. [2021-11-07 01:42:17,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24882 to 8338. [2021-11-07 01:42:17,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8338 states, 8269 states have (on average 1.2729471520135445) internal successors, (10526), 8337 states have internal predecessors, (10526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:42:17,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8338 states to 8338 states and 10526 transitions. [2021-11-07 01:42:17,356 INFO L78 Accepts]: Start accepts. Automaton has 8338 states and 10526 transitions. Word has length 122 [2021-11-07 01:42:17,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:42:17,356 INFO L470 AbstractCegarLoop]: Abstraction has 8338 states and 10526 transitions. [2021-11-07 01:42:17,356 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.0) internal successors, (124), 4 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:42:17,356 INFO L276 IsEmpty]: Start isEmpty. Operand 8338 states and 10526 transitions. [2021-11-07 01:42:17,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-11-07 01:42:17,357 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:42:17,357 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:42:17,400 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (28)] Forceful destruction successful, exit code 0 [2021-11-07 01:42:17,558 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:42:17,558 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 109 more)] === [2021-11-07 01:42:17,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:42:17,558 INFO L85 PathProgramCache]: Analyzing trace with hash -1546246231, now seen corresponding path program 1 times [2021-11-07 01:42:17,560 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:42:17,560 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [781706276] [2021-11-07 01:42:17,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:42:17,561 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:42:17,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:42:17,562 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:42:17,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (29)] Waiting until timeout for monitored process [2021-11-07 01:42:20,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:42:20,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 1581 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 01:42:20,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:42:21,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:42:21,473 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:42:22,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:42:22,108 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:42:22,108 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [781706276] [2021-11-07 01:42:22,108 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [781706276] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:42:22,108 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:42:22,109 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-07 01:42:22,109 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163847236] [2021-11-07 01:42:22,109 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 01:42:22,109 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:42:22,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 01:42:22,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:42:22,110 INFO L87 Difference]: Start difference. First operand 8338 states and 10526 transitions. Second operand has 6 states, 6 states have (on average 21.833333333333332) internal successors, (131), 6 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:42:23,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:42:23,870 INFO L93 Difference]: Finished difference Result 16667 states and 21050 transitions. [2021-11-07 01:42:23,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:42:23,871 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 21.833333333333332) internal successors, (131), 6 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 128 [2021-11-07 01:42:23,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:42:23,882 INFO L225 Difference]: With dead ends: 16667 [2021-11-07 01:42:23,882 INFO L226 Difference]: Without dead ends: 8358 [2021-11-07 01:42:23,894 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 250 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-11-07 01:42:23,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8358 states. [2021-11-07 01:42:25,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8358 to 8358. [2021-11-07 01:42:25,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8358 states, 8289 states have (on average 1.2722885752201714) internal successors, (10546), 8357 states have internal predecessors, (10546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:42:25,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8358 states to 8358 states and 10546 transitions. [2021-11-07 01:42:25,214 INFO L78 Accepts]: Start accepts. Automaton has 8358 states and 10546 transitions. Word has length 128 [2021-11-07 01:42:25,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:42:25,214 INFO L470 AbstractCegarLoop]: Abstraction has 8358 states and 10546 transitions. [2021-11-07 01:42:25,215 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.833333333333332) internal successors, (131), 6 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:42:25,215 INFO L276 IsEmpty]: Start isEmpty. Operand 8358 states and 10546 transitions. [2021-11-07 01:42:25,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-11-07 01:42:25,216 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:42:25,216 INFO L513 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:42:25,282 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (29)] Forceful destruction successful, exit code 0 [2021-11-07 01:42:25,429 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:42:25,429 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 109 more)] === [2021-11-07 01:42:25,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:42:25,430 INFO L85 PathProgramCache]: Analyzing trace with hash -1023529975, now seen corresponding path program 1 times [2021-11-07 01:42:25,432 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:42:25,432 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1221613125] [2021-11-07 01:42:25,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:42:25,432 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:42:25,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:42:25,433 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:42:25,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (30)] Waiting until timeout for monitored process [2021-11-07 01:42:28,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:42:28,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 1591 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:42:28,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:42:29,573 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:42:29,573 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:42:30,417 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:42:30,418 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:42:30,418 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1221613125] [2021-11-07 01:42:30,418 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1221613125] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:42:30,418 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [524692771] [2021-11-07 01:42:30,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:42:30,418 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 01:42:30,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 01:42:30,427 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 01:42:30,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2021-11-07 01:42:32,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:42:32,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 1591 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:42:33,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:42:33,659 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:42:33,659 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:42:34,217 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:42:34,217 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [524692771] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:42:34,217 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1518643177] [2021-11-07 01:42:34,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:42:34,218 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:42:34,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:42:34,219 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:42:34,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2021-11-07 01:42:36,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:42:36,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 1591 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:42:36,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:42:37,320 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-07 01:42:37,320 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:42:37,669 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-07 01:42:37,669 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1518643177] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:42:37,669 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 4 imperfect interpolant sequences. [2021-11-07 01:42:37,669 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [6, 6, 6, 6] total 13 [2021-11-07 01:42:37,669 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257850443] [2021-11-07 01:42:37,670 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:42:37,670 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:42:37,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:42:37,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2021-11-07 01:42:37,671 INFO L87 Difference]: Start difference. First operand 8358 states and 10546 transitions. Second operand has 5 states, 5 states have (on average 26.0) internal successors, (130), 5 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:42:39,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:42:39,803 INFO L93 Difference]: Finished difference Result 16841 states and 21230 transitions. [2021-11-07 01:42:39,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 01:42:39,812 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.0) internal successors, (130), 5 states have internal predecessors, (130), 0 states have call successors, (0), 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 134 [2021-11-07 01:42:39,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:42:39,824 INFO L225 Difference]: With dead ends: 16841 [2021-11-07 01:42:39,825 INFO L226 Difference]: Without dead ends: 8512 [2021-11-07 01:42:39,834 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 802 GetRequests, 789 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2021-11-07 01:42:39,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8512 states. [2021-11-07 01:42:41,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8512 to 8361. [2021-11-07 01:42:41,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8361 states, 8292 states have (on average 1.2721900627110467) internal successors, (10549), 8360 states have internal predecessors, (10549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:42:41,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8361 states to 8361 states and 10549 transitions. [2021-11-07 01:42:41,259 INFO L78 Accepts]: Start accepts. Automaton has 8361 states and 10549 transitions. Word has length 134 [2021-11-07 01:42:41,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:42:41,260 INFO L470 AbstractCegarLoop]: Abstraction has 8361 states and 10549 transitions. [2021-11-07 01:42:41,260 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.0) internal successors, (130), 5 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:42:41,260 INFO L276 IsEmpty]: Start isEmpty. Operand 8361 states and 10549 transitions. [2021-11-07 01:42:41,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-11-07 01:42:41,261 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:42:41,261 INFO L513 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:42:41,280 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (31)] Forceful destruction successful, exit code 0 [2021-11-07 01:42:41,519 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2021-11-07 01:42:41,708 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (30)] Forceful destruction successful, exit code 0 [2021-11-07 01:42:41,862 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt,32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:42:41,862 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 109 more)] === [2021-11-07 01:42:41,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:42:41,863 INFO L85 PathProgramCache]: Analyzing trace with hash 1896116834, now seen corresponding path program 1 times [2021-11-07 01:42:41,865 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:42:41,866 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [458062588] [2021-11-07 01:42:41,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:42:41,866 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:42:41,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:42:41,867 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:42:41,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (33)] Waiting until timeout for monitored process [2021-11-07 01:42:45,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:42:45,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 1679 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:42:45,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:42:46,403 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:42:46,403 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:42:47,447 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:42:47,448 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:42:47,448 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [458062588] [2021-11-07 01:42:47,448 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [458062588] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:42:47,448 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [652481961] [2021-11-07 01:42:47,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:42:47,448 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 01:42:47,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 01:42:47,449 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 01:42:47,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2021-11-07 01:42:50,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:42:50,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 1679 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:42:50,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:42:50,866 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:42:50,867 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:42:51,598 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:42:51,598 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [652481961] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:42:51,598 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [904603049] [2021-11-07 01:42:51,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:42:51,598 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:42:51,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:42:51,599 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:42:51,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2021-11-07 01:42:54,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:42:54,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 1679 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 01:42:54,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:42:55,183 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-07 01:42:55,184 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:42:55,881 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-07 01:42:55,881 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [904603049] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:42:55,881 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 4 imperfect interpolant sequences. [2021-11-07 01:42:55,881 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [6, 6, 6, 6] total 14 [2021-11-07 01:42:55,882 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876528746] [2021-11-07 01:42:55,882 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 01:42:55,882 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:42:55,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 01:42:55,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2021-11-07 01:42:55,883 INFO L87 Difference]: Start difference. First operand 8361 states and 10549 transitions. Second operand has 6 states, 6 states have (on average 24.333333333333332) internal successors, (146), 6 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:42:59,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:42:59,456 INFO L93 Difference]: Finished difference Result 23483 states and 29629 transitions. [2021-11-07 01:42:59,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:42:59,456 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 24.333333333333332) internal successors, (146), 6 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 147 [2021-11-07 01:42:59,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:42:59,478 INFO L225 Difference]: With dead ends: 23483 [2021-11-07 01:42:59,478 INFO L226 Difference]: Without dead ends: 15151 [2021-11-07 01:42:59,485 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 878 GetRequests, 865 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2021-11-07 01:42:59,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15151 states. [2021-11-07 01:43:01,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15151 to 8363. [2021-11-07 01:43:01,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8363 states, 8294 states have (on average 1.272124427296841) internal successors, (10551), 8362 states have internal predecessors, (10551), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:43:01,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8363 states to 8363 states and 10551 transitions. [2021-11-07 01:43:01,031 INFO L78 Accepts]: Start accepts. Automaton has 8363 states and 10551 transitions. Word has length 147 [2021-11-07 01:43:01,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:43:01,032 INFO L470 AbstractCegarLoop]: Abstraction has 8363 states and 10551 transitions. [2021-11-07 01:43:01,032 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.333333333333332) internal successors, (146), 6 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:43:01,032 INFO L276 IsEmpty]: Start isEmpty. Operand 8363 states and 10551 transitions. [2021-11-07 01:43:01,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-07 01:43:01,033 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:43:01,033 INFO L513 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:43:01,053 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (34)] Forceful destruction successful, exit code 0 [2021-11-07 01:43:01,289 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2021-11-07 01:43:01,480 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (33)] Ended with exit code 0 [2021-11-07 01:43:01,637 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt,35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:43:01,638 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 109 more)] === [2021-11-07 01:43:01,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:43:01,638 INFO L85 PathProgramCache]: Analyzing trace with hash 1378210407, now seen corresponding path program 1 times [2021-11-07 01:43:01,640 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:43:01,641 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [606247660] [2021-11-07 01:43:01,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:43:01,641 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:43:01,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:43:01,642 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:43:01,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (36)] Waiting until timeout for monitored process [2021-11-07 01:43:05,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:43:05,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 1739 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:43:05,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:43:06,611 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:43:06,611 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:43:07,661 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:43:07,662 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:43:07,662 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [606247660] [2021-11-07 01:43:07,662 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [606247660] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:43:07,662 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [96531699] [2021-11-07 01:43:07,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:43:07,662 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 01:43:07,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 01:43:07,663 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 01:43:07,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2021-11-07 01:43:10,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:43:10,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 1739 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:43:10,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:43:11,375 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:43:11,375 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:43:12,229 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:43:12,230 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [96531699] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:43:12,230 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [487796132] [2021-11-07 01:43:12,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:43:12,230 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:43:12,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:43:12,231 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:43:12,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2021-11-07 01:43:14,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:43:15,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 1739 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-07 01:43:15,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:43:16,285 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-07 01:43:16,285 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:43:16,706 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-07 01:43:16,707 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [487796132] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:43:16,707 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 4 imperfect interpolant sequences. [2021-11-07 01:43:16,707 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [6, 6, 6, 6] total 15 [2021-11-07 01:43:16,707 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243672542] [2021-11-07 01:43:16,708 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-07 01:43:16,708 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:43:16,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-07 01:43:16,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2021-11-07 01:43:16,709 INFO L87 Difference]: Start difference. First operand 8363 states and 10551 transitions. Second operand has 7 states, 7 states have (on average 21.714285714285715) internal successors, (152), 7 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:43:20,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:43:20,510 INFO L93 Difference]: Finished difference Result 20619 states and 25836 transitions. [2021-11-07 01:43:20,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 01:43:20,511 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 21.714285714285715) internal successors, (152), 7 states have internal predecessors, (152), 0 states have call successors, (0), 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 156 [2021-11-07 01:43:20,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:43:20,527 INFO L225 Difference]: With dead ends: 20619 [2021-11-07 01:43:20,527 INFO L226 Difference]: Without dead ends: 12285 [2021-11-07 01:43:20,535 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 939 GetRequests, 921 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=70, Invalid=310, Unknown=0, NotChecked=0, Total=380 [2021-11-07 01:43:20,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12285 states. [2021-11-07 01:43:22,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12285 to 8367. [2021-11-07 01:43:22,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8367 states, 8298 states have (on average 1.271993251385876) internal successors, (10555), 8366 states have internal predecessors, (10555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:43:22,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8367 states to 8367 states and 10555 transitions. [2021-11-07 01:43:22,111 INFO L78 Accepts]: Start accepts. Automaton has 8367 states and 10555 transitions. Word has length 156 [2021-11-07 01:43:22,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:43:22,111 INFO L470 AbstractCegarLoop]: Abstraction has 8367 states and 10555 transitions. [2021-11-07 01:43:22,111 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 21.714285714285715) internal successors, (152), 7 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:43:22,111 INFO L276 IsEmpty]: Start isEmpty. Operand 8367 states and 10555 transitions. [2021-11-07 01:43:22,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-11-07 01:43:22,113 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:43:22,113 INFO L513 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:43:22,162 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (36)] Ended with exit code 0 [2021-11-07 01:43:22,383 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2021-11-07 01:43:22,551 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (37)] Forceful destruction successful, exit code 0 [2021-11-07 01:43:22,733 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3,38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt [2021-11-07 01:43:22,734 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 109 more)] === [2021-11-07 01:43:22,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:43:22,734 INFO L85 PathProgramCache]: Analyzing trace with hash 1373395992, now seen corresponding path program 1 times [2021-11-07 01:43:22,736 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:43:22,736 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1832617401] [2021-11-07 01:43:22,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:43:22,736 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:43:22,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:43:22,738 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:43:22,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (39)] Waiting until timeout for monitored process [2021-11-07 01:43:26,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:43:26,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 1778 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:43:26,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:43:27,806 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:43:27,806 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:43:28,867 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:43:28,867 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:43:28,868 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1832617401] [2021-11-07 01:43:28,868 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1832617401] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:43:28,868 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1094458387] [2021-11-07 01:43:28,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:43:28,868 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 01:43:28,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 01:43:28,869 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 01:43:28,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2021-11-07 01:43:32,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:43:32,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 1778 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:43:32,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:43:32,885 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:43:32,885 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:43:33,678 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:43:33,678 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1094458387] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:43:33,678 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2114413330] [2021-11-07 01:43:33,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:43:33,679 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:43:33,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:43:33,688 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:43:33,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2021-11-07 01:43:36,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:43:36,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 1778 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:43:36,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:43:37,838 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:43:37,838 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:43:38,698 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:43:38,698 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2114413330] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:43:38,699 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-11-07 01:43:38,699 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6, 6, 6, 6] total 10 [2021-11-07 01:43:38,699 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848022776] [2021-11-07 01:43:38,700 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-07 01:43:38,700 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:43:38,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-07 01:43:38,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-11-07 01:43:38,701 INFO L87 Difference]: Start difference. First operand 8367 states and 10555 transitions. Second operand has 10 states, 10 states have (on average 17.0) internal successors, (170), 10 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:43:41,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:43:41,436 INFO L93 Difference]: Finished difference Result 16753 states and 21144 transitions. [2021-11-07 01:43:41,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 01:43:41,437 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 17.0) internal successors, (170), 10 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 161 [2021-11-07 01:43:41,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:43:41,448 INFO L225 Difference]: With dead ends: 16753 [2021-11-07 01:43:41,448 INFO L226 Difference]: Without dead ends: 8415 [2021-11-07 01:43:41,456 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 965 GetRequests, 952 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2021-11-07 01:43:41,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8415 states. [2021-11-07 01:43:42,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8415 to 8415. [2021-11-07 01:43:42,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8415 states, 8346 states have (on average 1.2704289479990414) internal successors, (10603), 8414 states have internal predecessors, (10603), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:43:43,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8415 states to 8415 states and 10603 transitions. [2021-11-07 01:43:43,002 INFO L78 Accepts]: Start accepts. Automaton has 8415 states and 10603 transitions. Word has length 161 [2021-11-07 01:43:43,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:43:43,003 INFO L470 AbstractCegarLoop]: Abstraction has 8415 states and 10603 transitions. [2021-11-07 01:43:43,003 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 17.0) internal successors, (170), 10 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:43:43,003 INFO L276 IsEmpty]: Start isEmpty. Operand 8415 states and 10603 transitions. [2021-11-07 01:43:43,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-11-07 01:43:43,005 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:43:43,005 INFO L513 BasicCegarLoop]: trace histogram [7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:43:43,080 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (39)] Forceful destruction successful, exit code 0 [2021-11-07 01:43:43,300 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Forceful destruction successful, exit code 0 [2021-11-07 01:43:43,452 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2021-11-07 01:43:43,629 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3,41 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt [2021-11-07 01:43:43,630 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 109 more)] === [2021-11-07 01:43:43,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:43:43,630 INFO L85 PathProgramCache]: Analyzing trace with hash -377212072, now seen corresponding path program 2 times [2021-11-07 01:43:43,634 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:43:43,634 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [825448434] [2021-11-07 01:43:43,634 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-07 01:43:43,634 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:43:43,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:43:43,636 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:43:43,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (42)] Waiting until timeout for monitored process [2021-11-07 01:43:47,910 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-07 01:43:47,910 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:43:48,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 1768 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:43:48,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:43:48,609 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-11-07 01:43:48,609 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:43:49,159 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-11-07 01:43:49,159 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:43:49,159 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [825448434] [2021-11-07 01:43:49,159 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [825448434] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:43:49,160 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:43:49,160 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:43:49,160 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191816198] [2021-11-07 01:43:49,160 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:43:49,160 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:43:49,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:43:49,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:43:49,161 INFO L87 Difference]: Start difference. First operand 8415 states and 10603 transitions. Second operand has 4 states, 4 states have (on average 39.75) internal successors, (159), 4 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:43:53,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:43:53,557 INFO L93 Difference]: Finished difference Result 33526 states and 42271 transitions. [2021-11-07 01:43:53,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:43:53,558 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 39.75) internal successors, (159), 4 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 173 [2021-11-07 01:43:53,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:43:53,589 INFO L225 Difference]: With dead ends: 33526 [2021-11-07 01:43:53,589 INFO L226 Difference]: Without dead ends: 25140 [2021-11-07 01:43:53,600 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 342 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:43:53,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25140 states. [2021-11-07 01:43:55,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25140 to 8464. [2021-11-07 01:43:55,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8464 states, 8395 states have (on average 1.2693269803454437) internal successors, (10656), 8463 states have internal predecessors, (10656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:43:55,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8464 states to 8464 states and 10656 transitions. [2021-11-07 01:43:55,238 INFO L78 Accepts]: Start accepts. Automaton has 8464 states and 10656 transitions. Word has length 173 [2021-11-07 01:43:55,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:43:55,239 INFO L470 AbstractCegarLoop]: Abstraction has 8464 states and 10656 transitions. [2021-11-07 01:43:55,239 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.75) internal successors, (159), 4 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:43:55,239 INFO L276 IsEmpty]: Start isEmpty. Operand 8464 states and 10656 transitions. [2021-11-07 01:43:55,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-07 01:43:55,241 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:43:55,241 INFO L513 BasicCegarLoop]: trace histogram [7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:43:55,286 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (42)] Forceful destruction successful, exit code 0 [2021-11-07 01:43:55,449 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:43:55,449 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 109 more)] === [2021-11-07 01:43:55,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:43:55,450 INFO L85 PathProgramCache]: Analyzing trace with hash -1693250519, now seen corresponding path program 1 times [2021-11-07 01:43:55,453 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:43:55,453 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [505631319] [2021-11-07 01:43:55,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:43:55,453 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:43:55,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:43:55,454 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:43:55,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (43)] Waiting until timeout for monitored process [2021-11-07 01:43:59,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:43:59,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 2096 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-07 01:43:59,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:44:01,529 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:44:01,530 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:44:03,612 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:44:03,613 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:44:03,613 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [505631319] [2021-11-07 01:44:03,613 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [505631319] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:44:03,613 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1028960392] [2021-11-07 01:44:03,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:44:03,613 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 01:44:03,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 01:44:03,614 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 01:44:03,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2021-11-07 01:44:07,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:44:07,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 2096 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-07 01:44:07,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:44:08,287 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:44:08,288 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:44:09,405 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:44:09,405 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1028960392] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:44:09,405 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1456423303] [2021-11-07 01:44:09,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:44:09,405 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:44:09,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:44:09,406 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:44:09,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2021-11-07 01:44:12,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:44:12,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 2096 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:44:12,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:44:14,803 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-11-07 01:44:14,803 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:44:16,694 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-11-07 01:44:16,695 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1456423303] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:44:16,695 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 4 imperfect interpolant sequences. [2021-11-07 01:44:16,695 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [10, 10, 10, 10] total 26 [2021-11-07 01:44:16,696 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251096855] [2021-11-07 01:44:16,696 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-07 01:44:16,696 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:44:16,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-07 01:44:16,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=550, Unknown=0, NotChecked=0, Total=650 [2021-11-07 01:44:16,698 INFO L87 Difference]: Start difference. First operand 8464 states and 10656 transitions. Second operand has 10 states, 10 states have (on average 22.5) internal successors, (225), 10 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:44:32,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:44:32,098 INFO L93 Difference]: Finished difference Result 58336 states and 73602 transitions. [2021-11-07 01:44:32,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 01:44:32,115 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 22.5) internal successors, (225), 10 states have internal predecessors, (225), 0 states have call successors, (0), 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 205 [2021-11-07 01:44:32,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:44:32,206 INFO L225 Difference]: With dead ends: 58336 [2021-11-07 01:44:32,206 INFO L226 Difference]: Without dead ends: 49901 [2021-11-07 01:44:32,227 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 1237 GetRequests, 1205 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=166, Invalid=956, Unknown=0, NotChecked=0, Total=1122 [2021-11-07 01:44:32,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49901 states. [2021-11-07 01:44:34,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49901 to 8513. [2021-11-07 01:44:34,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8513 states, 8444 states have (on average 1.2682378019895784) internal successors, (10709), 8512 states have internal predecessors, (10709), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:44:34,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8513 states to 8513 states and 10709 transitions. [2021-11-07 01:44:34,591 INFO L78 Accepts]: Start accepts. Automaton has 8513 states and 10709 transitions. Word has length 205 [2021-11-07 01:44:34,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:44:34,591 INFO L470 AbstractCegarLoop]: Abstraction has 8513 states and 10709 transitions. [2021-11-07 01:44:34,592 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 22.5) internal successors, (225), 10 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:44:34,592 INFO L276 IsEmpty]: Start isEmpty. Operand 8513 states and 10709 transitions. [2021-11-07 01:44:34,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-11-07 01:44:34,593 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:44:34,594 INFO L513 BasicCegarLoop]: trace histogram [7, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:44:34,669 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Forceful destruction successful, exit code 0 [2021-11-07 01:44:34,842 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (44)] Forceful destruction successful, exit code 0 [2021-11-07 01:44:35,081 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (43)] Ended with exit code 0 [2021-11-07 01:44:35,217 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,44 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt,43 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:44:35,218 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 109 more)] === [2021-11-07 01:44:35,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:44:35,218 INFO L85 PathProgramCache]: Analyzing trace with hash -446879400, now seen corresponding path program 1 times [2021-11-07 01:44:35,221 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:44:35,221 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [219733991] [2021-11-07 01:44:35,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:44:35,221 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:44:35,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:44:35,222 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:44:35,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (46)] Waiting until timeout for monitored process [2021-11-07 01:44:40,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:44:40,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 2396 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-07 01:44:40,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:44:42,440 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-07 01:44:42,440 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:44:44,600 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-07 01:44:44,600 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:44:44,600 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [219733991] [2021-11-07 01:44:44,600 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [219733991] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:44:44,600 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1343739608] [2021-11-07 01:44:44,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:44:44,601 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 01:44:44,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 01:44:44,603 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 01:44:44,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2021-11-07 01:44:48,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:44:48,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 2396 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-07 01:44:48,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:44:49,931 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-07 01:44:49,931 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:44:51,230 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-07 01:44:51,231 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1343739608] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:44:51,231 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1206418907] [2021-11-07 01:44:51,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:44:51,231 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:44:51,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:44:51,232 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:44:51,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2021-11-07 01:44:55,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:44:55,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 2396 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:44:55,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:44:56,384 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2021-11-07 01:44:56,384 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:44:57,477 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2021-11-07 01:44:57,478 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1206418907] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:44:57,478 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 4 imperfect interpolant sequences. [2021-11-07 01:44:57,478 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [10, 10, 10, 10] total 20 [2021-11-07 01:44:57,479 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028405382] [2021-11-07 01:44:57,479 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:44:57,479 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:44:57,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:44:57,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=295, Unknown=0, NotChecked=0, Total=380 [2021-11-07 01:44:57,480 INFO L87 Difference]: Start difference. First operand 8513 states and 10709 transitions. Second operand has 4 states, 4 states have (on average 49.5) internal successors, (198), 4 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:45:00,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:45:00,106 INFO L93 Difference]: Finished difference Result 17047 states and 21453 transitions. [2021-11-07 01:45:00,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:45:00,107 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 49.5) internal successors, (198), 4 states have internal predecessors, (198), 0 states have call successors, (0), 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 239 [2021-11-07 01:45:00,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:45:00,117 INFO L225 Difference]: With dead ends: 17047 [2021-11-07 01:45:00,117 INFO L226 Difference]: Without dead ends: 8563 [2021-11-07 01:45:00,124 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 1428 GetRequests, 1410 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=85, Invalid=295, Unknown=0, NotChecked=0, Total=380 [2021-11-07 01:45:00,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8563 states. [2021-11-07 01:45:02,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8563 to 8563. [2021-11-07 01:45:02,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8563 states, 8494 states have (on average 1.267247468801507) internal successors, (10764), 8562 states have internal predecessors, (10764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:45:02,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8563 states to 8563 states and 10764 transitions. [2021-11-07 01:45:02,430 INFO L78 Accepts]: Start accepts. Automaton has 8563 states and 10764 transitions. Word has length 239 [2021-11-07 01:45:02,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:45:02,431 INFO L470 AbstractCegarLoop]: Abstraction has 8563 states and 10764 transitions. [2021-11-07 01:45:02,431 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 49.5) internal successors, (198), 4 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:45:02,431 INFO L276 IsEmpty]: Start isEmpty. Operand 8563 states and 10764 transitions. [2021-11-07 01:45:02,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2021-11-07 01:45:02,433 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:45:02,434 INFO L513 BasicCegarLoop]: trace histogram [7, 6, 6, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:45:02,515 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Forceful destruction successful, exit code 0 [2021-11-07 01:45:02,725 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (46)] Ended with exit code 0 [2021-11-07 01:45:02,883 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (47)] Forceful destruction successful, exit code 0 [2021-11-07 01:45:03,061 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 48 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,46 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3,47 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt [2021-11-07 01:45:03,062 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 109 more)] === [2021-11-07 01:45:03,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:45:03,062 INFO L85 PathProgramCache]: Analyzing trace with hash 422132760, now seen corresponding path program 1 times [2021-11-07 01:45:03,065 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:45:03,065 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1499478090] [2021-11-07 01:45:03,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:45:03,065 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:45:03,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:45:03,066 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:45:03,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (49)] Waiting until timeout for monitored process [2021-11-07 01:45:08,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:45:08,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 2416 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-07 01:45:08,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:45:10,373 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2021-11-07 01:45:10,373 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:45:12,887 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2021-11-07 01:45:12,887 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:45:12,887 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1499478090] [2021-11-07 01:45:12,887 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1499478090] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:45:12,887 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [905877439] [2021-11-07 01:45:12,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:45:12,887 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 01:45:12,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 01:45:12,888 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 01:45:12,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2021-11-07 01:45:17,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:45:17,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 2416 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-07 01:45:17,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:45:18,823 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2021-11-07 01:45:18,823 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:45:20,209 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2021-11-07 01:45:20,209 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [905877439] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:45:20,209 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2106336033] [2021-11-07 01:45:20,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:45:20,210 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:45:20,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:45:20,211 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:45:20,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Waiting until timeout for monitored process [2021-11-07 01:45:24,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:45:24,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 2416 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:45:24,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:45:25,560 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2021-11-07 01:45:25,560 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:45:26,354 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2021-11-07 01:45:26,354 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2106336033] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:45:26,354 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 4 imperfect interpolant sequences. [2021-11-07 01:45:26,355 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [10, 10, 10, 10] total 20 [2021-11-07 01:45:26,355 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373284057] [2021-11-07 01:45:26,355 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:45:26,355 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:45:26,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:45:26,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=295, Unknown=0, NotChecked=0, Total=380 [2021-11-07 01:45:26,356 INFO L87 Difference]: Start difference. First operand 8563 states and 10764 transitions. Second operand has 4 states, 4 states have (on average 49.0) internal successors, (196), 4 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:45:28,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:45:28,402 INFO L93 Difference]: Finished difference Result 17159 states and 21569 transitions. [2021-11-07 01:45:28,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:45:28,403 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 49.0) internal successors, (196), 4 states have internal predecessors, (196), 0 states have call successors, (0), 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 255 [2021-11-07 01:45:28,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:45:28,412 INFO L225 Difference]: With dead ends: 17159 [2021-11-07 01:45:28,412 INFO L226 Difference]: Without dead ends: 8625 [2021-11-07 01:45:28,417 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 1524 GetRequests, 1506 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=85, Invalid=295, Unknown=0, NotChecked=0, Total=380 [2021-11-07 01:45:28,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8625 states. [2021-11-07 01:45:30,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8625 to 8625. [2021-11-07 01:45:30,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8625 states, 8556 states have (on average 1.265895278167368) internal successors, (10831), 8624 states have internal predecessors, (10831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:45:30,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8625 states to 8625 states and 10831 transitions. [2021-11-07 01:45:30,298 INFO L78 Accepts]: Start accepts. Automaton has 8625 states and 10831 transitions. Word has length 255 [2021-11-07 01:45:30,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:45:30,298 INFO L470 AbstractCegarLoop]: Abstraction has 8625 states and 10831 transitions. [2021-11-07 01:45:30,299 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 49.0) internal successors, (196), 4 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:45:30,299 INFO L276 IsEmpty]: Start isEmpty. Operand 8625 states and 10831 transitions. [2021-11-07 01:45:30,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2021-11-07 01:45:30,302 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:45:30,302 INFO L513 BasicCegarLoop]: trace histogram [14, 12, 12, 7, 6, 6, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:45:30,386 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (49)] Forceful destruction successful, exit code 0 [2021-11-07 01:45:30,580 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Forceful destruction successful, exit code 0 [2021-11-07 01:45:30,736 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (50)] Forceful destruction successful, exit code 0 [2021-11-07 01:45:30,917 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3,51 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,50 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt [2021-11-07 01:45:30,918 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 109 more)] === [2021-11-07 01:45:30,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:45:30,918 INFO L85 PathProgramCache]: Analyzing trace with hash 2119075230, now seen corresponding path program 1 times [2021-11-07 01:45:30,921 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:45:30,921 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1681517449] [2021-11-07 01:45:30,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:45:30,921 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:45:30,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:45:30,922 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:45:30,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (52)] Waiting until timeout for monitored process [2021-11-07 01:45:36,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:45:36,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 2614 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-07 01:45:36,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:45:38,684 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2021-11-07 01:45:38,684 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:45:41,199 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2021-11-07 01:45:41,199 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:45:41,199 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1681517449] [2021-11-07 01:45:41,200 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1681517449] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:45:41,200 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1049391878] [2021-11-07 01:45:41,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:45:41,200 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 01:45:41,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 01:45:41,205 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 01:45:41,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2021-11-07 01:45:46,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:45:46,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 2614 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-07 01:45:46,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:45:47,879 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2021-11-07 01:45:47,879 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:45:49,619 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2021-11-07 01:45:49,619 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1049391878] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:45:49,619 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1651441753] [2021-11-07 01:45:49,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:45:49,620 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:45:49,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:45:49,620 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:45:49,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Waiting until timeout for monitored process [2021-11-07 01:45:54,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:45:54,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 2614 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:45:54,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:45:56,443 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2021-11-07 01:45:56,443 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:45:59,193 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2021-11-07 01:45:59,193 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1651441753] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:45:59,193 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-11-07 01:45:59,194 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10, 10, 5, 6] total 25 [2021-11-07 01:45:59,194 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59003856] [2021-11-07 01:45:59,195 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-11-07 01:45:59,195 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:45:59,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-11-07 01:45:59,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=496, Unknown=0, NotChecked=0, Total=600 [2021-11-07 01:45:59,196 INFO L87 Difference]: Start difference. First operand 8625 states and 10831 transitions. Second operand has 25 states, 25 states have (on average 15.6) internal successors, (390), 25 states have internal predecessors, (390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:46:19,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:46:19,604 INFO L93 Difference]: Finished difference Result 26270 states and 33012 transitions. [2021-11-07 01:46:19,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-11-07 01:46:19,605 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 15.6) internal successors, (390), 25 states have internal predecessors, (390), 0 states have call successors, (0), 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 325 [2021-11-07 01:46:19,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:46:19,625 INFO L225 Difference]: With dead ends: 26270 [2021-11-07 01:46:19,625 INFO L226 Difference]: Without dead ends: 17674 [2021-11-07 01:46:19,635 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2011 GetRequests, 1924 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2035 ImplicationChecksByTransitivity, 12.3s TimeCoverageRelationStatistics Valid=1275, Invalid=6557, Unknown=0, NotChecked=0, Total=7832 [2021-11-07 01:46:19,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17674 states. [2021-11-07 01:46:21,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17674 to 8877. [2021-11-07 01:46:21,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8877 states, 8808 states have (on average 1.259763851044505) internal successors, (11096), 8876 states have internal predecessors, (11096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:46:22,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8877 states to 8877 states and 11096 transitions. [2021-11-07 01:46:22,002 INFO L78 Accepts]: Start accepts. Automaton has 8877 states and 11096 transitions. Word has length 325 [2021-11-07 01:46:22,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:46:22,002 INFO L470 AbstractCegarLoop]: Abstraction has 8877 states and 11096 transitions. [2021-11-07 01:46:22,002 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 15.6) internal successors, (390), 25 states have internal predecessors, (390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:46:22,002 INFO L276 IsEmpty]: Start isEmpty. Operand 8877 states and 11096 transitions. [2021-11-07 01:46:22,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2021-11-07 01:46:22,006 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:46:22,007 INFO L513 BasicCegarLoop]: trace histogram [33, 30, 30, 11, 10, 10, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:46:22,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (53)] Forceful destruction successful, exit code 0 [2021-11-07 01:46:22,290 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Forceful destruction successful, exit code 0 [2021-11-07 01:46:22,494 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (52)] Forceful destruction successful, exit code 0 [2021-11-07 01:46:22,624 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 53 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt,54 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,52 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:46:22,624 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 109 more)] === [2021-11-07 01:46:22,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:46:22,625 INFO L85 PathProgramCache]: Analyzing trace with hash 2074596465, now seen corresponding path program 2 times [2021-11-07 01:46:22,628 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:46:22,628 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1795601049] [2021-11-07 01:46:22,628 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-07 01:46:22,628 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:46:22,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:46:22,629 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:46:22,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (55)] Waiting until timeout for monitored process [2021-11-07 01:46:28,325 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-07 01:46:28,325 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:46:28,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 1768 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-07 01:46:28,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:46:30,024 INFO L134 CoverageAnalysis]: Checked inductivity of 1764 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1764 trivial. 0 not checked. [2021-11-07 01:46:30,025 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:46:32,078 INFO L134 CoverageAnalysis]: Checked inductivity of 1764 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1764 trivial. 0 not checked. [2021-11-07 01:46:32,078 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:46:32,078 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1795601049] [2021-11-07 01:46:32,078 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1795601049] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:46:32,078 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:46:32,079 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 11] imperfect sequences [] total 20 [2021-11-07 01:46:32,079 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993772124] [2021-11-07 01:46:32,079 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-11-07 01:46:32,080 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:46:32,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-11-07 01:46:32,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2021-11-07 01:46:32,081 INFO L87 Difference]: Start difference. First operand 8877 states and 11096 transitions. Second operand has 20 states, 20 states have (on average 11.6) internal successors, (232), 20 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:47:32,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:47:32,799 INFO L93 Difference]: Finished difference Result 85308 states and 103898 transitions. [2021-11-07 01:47:32,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 217 states. [2021-11-07 01:47:32,799 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 11.6) internal successors, (232), 20 states have internal predecessors, (232), 0 states have call successors, (0), 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 408 [2021-11-07 01:47:32,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:47:32,925 INFO L225 Difference]: With dead ends: 85308 [2021-11-07 01:47:32,925 INFO L226 Difference]: Without dead ends: 85306 [2021-11-07 01:47:32,953 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 1071 GetRequests, 846 SyntacticMatches, 0 SemanticMatches, 225 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20801 ImplicationChecksByTransitivity, 30.4s TimeCoverageRelationStatistics Valid=7315, Invalid=43987, Unknown=0, NotChecked=0, Total=51302 [2021-11-07 01:47:33,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85306 states. [2021-11-07 01:47:36,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85306 to 8877. [2021-11-07 01:47:36,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8877 states, 8808 states have (on average 1.2596503178928247) internal successors, (11095), 8876 states have internal predecessors, (11095), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:47:36,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8877 states to 8877 states and 11095 transitions. [2021-11-07 01:47:36,518 INFO L78 Accepts]: Start accepts. Automaton has 8877 states and 11095 transitions. Word has length 408 [2021-11-07 01:47:36,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:47:36,519 INFO L470 AbstractCegarLoop]: Abstraction has 8877 states and 11095 transitions. [2021-11-07 01:47:36,519 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 11.6) internal successors, (232), 20 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:47:36,519 INFO L276 IsEmpty]: Start isEmpty. Operand 8877 states and 11095 transitions. [2021-11-07 01:47:36,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 417 [2021-11-07 01:47:36,521 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:47:36,522 INFO L513 BasicCegarLoop]: trace histogram [33, 30, 30, 11, 10, 10, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:47:36,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (55)] Ended with exit code 0 [2021-11-07 01:47:36,723 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 55 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:47:36,724 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 109 more)] === [2021-11-07 01:47:36,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:47:36,724 INFO L85 PathProgramCache]: Analyzing trace with hash 432608065, now seen corresponding path program 1 times [2021-11-07 01:47:36,727 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:47:36,727 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [928756553] [2021-11-07 01:47:36,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:47:36,727 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:47:36,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:47:36,728 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:47:36,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (56)] Waiting until timeout for monitored process [2021-11-07 01:47:43,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:47:44,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 2972 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:47:44,047 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:47:46,092 INFO L134 CoverageAnalysis]: Checked inductivity of 1764 backedges. 27 proven. 6 refuted. 0 times theorem prover too weak. 1731 trivial. 0 not checked. [2021-11-07 01:47:46,092 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:47:48,207 INFO L134 CoverageAnalysis]: Checked inductivity of 1764 backedges. 27 proven. 6 refuted. 0 times theorem prover too weak. 1731 trivial. 0 not checked. [2021-11-07 01:47:48,208 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:47:48,208 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [928756553] [2021-11-07 01:47:48,208 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [928756553] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:47:48,208 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1524567269] [2021-11-07 01:47:48,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:47:48,208 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 01:47:48,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 01:47:48,209 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 01:47:48,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf7ea5d-611c-4fed-ab88-aa2a6ade4114/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2021-11-07 01:47:54,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:47:54,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 2972 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:47:54,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:47:59,436 INFO L134 CoverageAnalysis]: Checked inductivity of 1764 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1764 trivial. 0 not checked. [2021-11-07 01:47:59,436 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:48:04,575 INFO L134 CoverageAnalysis]: Checked inductivity of 1764 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1764 trivial. 0 not checked. [2021-11-07 01:48:04,575 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1524567269] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:48:04,575 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-11-07 01:48:04,575 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5, 5] total 11 [2021-11-07 01:48:04,575 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553055605] [2021-11-07 01:48:04,576 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:48:04,576 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:48:04,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:48:04,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-11-07 01:48:04,577 INFO L87 Difference]: Start difference. First operand 8877 states and 11095 transitions. Second operand has 5 states, 5 states have (on average 44.6) internal successors, (223), 4 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)