./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF --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 5df375afe9fb68708289d9f3c6788a2547ede1538b0aa584ee561e48e9fb4c63 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:30:59,075 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:30:59,077 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:30:59,120 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:30:59,120 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:30:59,122 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:30:59,123 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:30:59,126 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:30:59,128 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:30:59,130 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:30:59,132 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:30:59,133 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:30:59,135 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:30:59,138 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:30:59,140 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:30:59,143 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:30:59,146 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:30:59,151 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:30:59,153 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:30:59,157 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:30:59,162 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:30:59,163 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:30:59,166 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:30:59,167 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:30:59,175 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:30:59,180 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:30:59,181 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:30:59,182 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:30:59,183 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:30:59,185 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:30:59,185 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:30:59,186 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:30:59,188 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:30:59,189 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:30:59,191 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:30:59,191 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:30:59,192 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:30:59,192 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:30:59,192 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:30:59,193 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:30:59,194 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:30:59,195 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-12 23:30:59,239 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:30:59,239 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:30:59,240 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:30:59,240 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:30:59,241 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:30:59,241 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:30:59,241 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:30:59,241 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 23:30:59,245 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:30:59,245 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:30:59,246 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 23:30:59,246 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 23:30:59,247 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:30:59,247 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 23:30:59,247 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 23:30:59,247 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 23:30:59,248 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:30:59,248 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 23:30:59,249 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:30:59,249 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:30:59,249 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:30:59,249 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:30:59,249 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:30:59,250 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:30:59,250 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:30:59,250 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:30:59,250 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:30:59,251 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:30:59,251 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:30:59,252 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:30:59,253 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:30:59,253 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:30:59,253 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 23:30:59,254 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 23:30:59,254 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:30:59,254 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:30:59,254 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:30:59,254 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_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5df375afe9fb68708289d9f3c6788a2547ede1538b0aa584ee561e48e9fb4c63 [2021-11-12 23:30:59,532 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:30:59,563 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:30:59,566 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:30:59,568 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:30:59,568 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:30:59,570 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i [2021-11-12 23:30:59,641 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF/data/06f354ff8/3989b108a3704c77a1b8de4477a341af/FLAGe4803a4ad [2021-11-12 23:31:00,705 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:31:00,706 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i [2021-11-12 23:31:00,770 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF/data/06f354ff8/3989b108a3704c77a1b8de4477a341af/FLAGe4803a4ad [2021-11-12 23:31:00,989 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF/data/06f354ff8/3989b108a3704c77a1b8de4477a341af [2021-11-12 23:31:01,002 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:31:01,005 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:31:01,009 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:31:01,009 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:31:01,012 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:31:01,013 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:31:00" (1/1) ... [2021-11-12 23:31:01,016 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31dc35e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:31:01, skipping insertion in model container [2021-11-12 23:31:01,017 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:31:00" (1/1) ... [2021-11-12 23:31:01,023 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:31:01,204 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:31:02,651 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i[209494,209507] [2021-11-12 23:31:02,943 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:02,943 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:03,159 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:03,169 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:03,171 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:03,172 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:03,185 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:03,193 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:03,204 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:03,204 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:03,215 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:03,215 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:03,225 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:03,225 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:03,257 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:03,271 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:03,280 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:03,287 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:03,294 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:03,304 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:03,312 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:03,335 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:03,337 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:03,346 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:03,354 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:03,355 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:03,363 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:03,375 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:03,389 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:03,398 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:03,407 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:03,413 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:03,423 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:03,429 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:03,435 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:03,444 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:03,451 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:03,460 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:03,475 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:03,486 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:03,493 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:03,517 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:03,518 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:03,518 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:03,534 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:03,534 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:03,571 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:03,572 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:03,576 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:03,614 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:03,614 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:03,615 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:03,615 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:03,615 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:03,616 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:03,616 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:03,666 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:03,677 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:03,693 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:03,703 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:03,717 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:03,726 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:03,740 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:03,747 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:03,749 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:03,792 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:03,792 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:03,793 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:03,795 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:03,835 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:03,836 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:03,841 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:03,854 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:03,866 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:03,892 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:03,892 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:03,928 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:03,929 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:03,935 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:03,947 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:03,959 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:03,982 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:03,984 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:04,020 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:04,031 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:04,037 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:04,050 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:04,057 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:04,064 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:04,088 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:04,092 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:04,155 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:04,163 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:04,164 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:04,165 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:04,165 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:04,166 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:04,167 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:04,167 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:04,195 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:04,266 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:04,296 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:04,319 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:04,321 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:04,387 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:04,460 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:31:04,548 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) [2021-11-12 23:31:04,548 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@e12de5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:31:04, skipping insertion in model container [2021-11-12 23:31:04,548 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:31:04,549 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-12 23:31:04,551 INFO L158 Benchmark]: Toolchain (without parser) took 3544.47ms. Allocated memory was 119.5MB in the beginning and 167.8MB in the end (delta: 48.2MB). Free memory was 65.4MB in the beginning and 96.0MB in the end (delta: -30.6MB). Peak memory consumption was 69.6MB. Max. memory is 16.1GB. [2021-11-12 23:31:04,552 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 119.5MB. Free memory was 92.9MB in the beginning and 92.8MB in the end (delta: 22.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:31:04,554 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3539.75ms. Allocated memory was 119.5MB in the beginning and 167.8MB in the end (delta: 48.2MB). Free memory was 65.1MB in the beginning and 96.0MB in the end (delta: -30.9MB). Peak memory consumption was 69.6MB. Max. memory is 16.1GB. [2021-11-12 23:31:04,556 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 119.5MB. Free memory was 92.9MB in the beginning and 92.8MB in the end (delta: 22.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3539.75ms. Allocated memory was 119.5MB in the beginning and 167.8MB in the end (delta: 48.2MB). Free memory was 65.1MB in the beginning and 96.0MB in the end (delta: -30.9MB). Peak memory consumption was 69.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 7120]: 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_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF --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 5df375afe9fb68708289d9f3c6788a2547ede1538b0aa584ee561e48e9fb4c63 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:31:06,850 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:31:06,852 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:31:06,898 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:31:06,898 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:31:06,902 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:31:06,904 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:31:06,911 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:31:06,915 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:31:06,922 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:31:06,924 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:31:06,926 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:31:06,927 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:31:06,929 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:31:06,932 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:31:06,937 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:31:06,940 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:31:06,941 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:31:06,944 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:31:06,953 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:31:06,956 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:31:06,957 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:31:06,959 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:31:06,962 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:31:06,971 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:31:06,971 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:31:06,972 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:31:06,974 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:31:06,974 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:31:06,975 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:31:06,976 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:31:06,977 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:31:06,979 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:31:06,980 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:31:06,981 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:31:06,981 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:31:06,982 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:31:06,983 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:31:06,983 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:31:06,985 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:31:06,985 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:31:06,986 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-12 23:31:07,031 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:31:07,031 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:31:07,033 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:31:07,033 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:31:07,033 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:31:07,034 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:31:07,034 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:31:07,034 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:31:07,034 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:31:07,035 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:31:07,037 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:31:07,037 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:31:07,037 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:31:07,038 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:31:07,038 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:31:07,038 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:31:07,038 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-12 23:31:07,038 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-12 23:31:07,039 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:31:07,039 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:31:07,039 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:31:07,039 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:31:07,040 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-12 23:31:07,040 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:31:07,040 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:31:07,040 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:31:07,041 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:31:07,041 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:31:07,041 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-12 23:31:07,041 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-12 23:31:07,042 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:31:07,042 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:31:07,042 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:31:07,042 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_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5df375afe9fb68708289d9f3c6788a2547ede1538b0aa584ee561e48e9fb4c63 [2021-11-12 23:31:07,441 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:31:07,467 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:31:07,470 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:31:07,471 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:31:07,472 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:31:07,473 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i [2021-11-12 23:31:07,541 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF/data/5e20667a9/492d027d7cad4dd0ababceae651d56bc/FLAG89c23a343 [2021-11-12 23:31:08,635 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:31:08,636 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i [2021-11-12 23:31:08,723 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF/data/5e20667a9/492d027d7cad4dd0ababceae651d56bc/FLAG89c23a343 [2021-11-12 23:31:08,933 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF/data/5e20667a9/492d027d7cad4dd0ababceae651d56bc [2021-11-12 23:31:08,936 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:31:08,937 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:31:08,939 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:31:08,939 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:31:08,956 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:31:08,957 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:31:08" (1/1) ... [2021-11-12 23:31:08,958 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9dc70a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:31:08, skipping insertion in model container [2021-11-12 23:31:08,958 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:31:08" (1/1) ... [2021-11-12 23:31:08,965 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:31:09,156 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:31:10,719 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i[209494,209507] [2021-11-12 23:31:12,152 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:12,244 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:12,329 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:31:12,685 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:31:12,822 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-12 23:31:12,934 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:31:13,075 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i[209494,209507] [2021-11-12 23:31:13,474 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:31:13,546 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 23:31:13,816 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i[209494,209507] [2021-11-12 23:31:14,118 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:31:14,336 INFO L208 MainTranslator]: Completed translation [2021-11-12 23:31:14,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:31:14 WrapperNode [2021-11-12 23:31:14,336 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:31:14,338 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 23:31:14,338 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 23:31:14,338 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 23:31:14,345 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:31:14" (1/1) ... [2021-11-12 23:31:14,489 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:31:14" (1/1) ... [2021-11-12 23:31:14,762 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 23:31:14,764 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 23:31:14,764 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 23:31:14,764 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 23:31:14,773 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:31:14" (1/1) ... [2021-11-12 23:31:14,773 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:31:14" (1/1) ... [2021-11-12 23:31:14,843 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:31:14" (1/1) ... [2021-11-12 23:31:14,844 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:31:14" (1/1) ... [2021-11-12 23:31:15,139 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:31:14" (1/1) ... [2021-11-12 23:31:15,186 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:31:14" (1/1) ... [2021-11-12 23:31:15,241 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:31:14" (1/1) ... [2021-11-12 23:31:15,287 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 23:31:15,288 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 23:31:15,288 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 23:31:15,288 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 23:31:15,289 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:31:14" (1/1) ... [2021-11-12 23:31:15,296 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:31:15,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:31:15,320 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 23:31:15,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 23:31:15,359 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread8 [2021-11-12 23:31:15,360 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread8 [2021-11-12 23:31:15,360 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_frequency_to_channel [2021-11-12 23:31:15,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_frequency_to_channel [2021-11-12 23:31:15,360 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_tx_ring [2021-11-12 23:31:15,360 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_tx_ring [2021-11-12 23:31:15,361 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite8 [2021-11-12 23:31:15,361 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite8 [2021-11-12 23:31:15,361 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-12 23:31:15,361 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-12 23:31:15,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-12 23:31:15,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-12 23:31:15,362 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_init [2021-11-12 23:31:15,362 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_init [2021-11-12 23:31:15,362 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_calc_rssi [2021-11-12 23:31:15,362 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_calc_rssi [2021-11-12 23:31:15,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2021-11-12 23:31:15,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2021-11-12 23:31:15,363 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187se_rf_writereg [2021-11-12 23:31:15,363 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187se_rf_writereg [2021-11-12 23:31:15,363 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2021-11-12 23:31:15,363 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2021-11-12 23:31:15,363 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_generic_frame_duration [2021-11-12 23:31:15,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_generic_frame_duration [2021-11-12 23:31:15,364 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-12 23:31:15,364 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-12 23:31:15,364 INFO L130 BoogieDeclarations]: Found specification of procedure fls [2021-11-12 23:31:15,364 INFO L138 BoogieDeclarations]: Found implementation of procedure fls [2021-11-12 23:31:15,364 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-11-12 23:31:15,364 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-11-12 23:31:15,365 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-12 23:31:15,365 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-12 23:31:15,365 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_write_phy_antenna [2021-11-12 23:31:15,365 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_write_phy_antenna [2021-11-12 23:31:15,365 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_init [2021-11-12 23:31:15,365 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_init [2021-11-12 23:31:15,366 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread32 [2021-11-12 23:31:15,366 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread32 [2021-11-12 23:31:15,366 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_rx_ring [2021-11-12 23:31:15,366 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_rx_ring [2021-11-12 23:31:15,366 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_bss_info_changed [2021-11-12 23:31:15,366 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_bss_info_changed [2021-11-12 23:31:15,367 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2021-11-12 23:31:15,367 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_calc_rssi [2021-11-12 23:31:15,367 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_calc_rssi [2021-11-12 23:31:15,367 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-12 23:31:15,367 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-12 23:31:15,367 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-12 23:31:15,368 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-12 23:31:15,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-12 23:31:15,368 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_set_tx_power [2021-11-12 23:31:15,368 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_set_tx_power [2021-11-12 23:31:15,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-12 23:31:15,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-12 23:31:15,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-12 23:31:15,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-12 23:31:15,369 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread16 [2021-11-12 23:31:15,369 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread16 [2021-11-12 23:31:15,369 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-12 23:31:15,370 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-12 23:31:15,370 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_set_anaparam [2021-11-12 23:31:15,370 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_set_anaparam [2021-11-12 23:31:15,370 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_tx_rate [2021-11-12 23:31:15,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_tx_rate [2021-11-12 23:31:15,370 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-12 23:31:15,370 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-12 23:31:15,371 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-12 23:31:15,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-12 23:31:15,371 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_stop [2021-11-12 23:31:15,371 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_stop [2021-11-12 23:31:15,371 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_stop [2021-11-12 23:31:15,371 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_stop [2021-11-12 23:31:15,372 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-12 23:31:15,372 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-12 23:31:15,372 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_get_tsf [2021-11-12 23:31:15,372 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_get_tsf [2021-11-12 23:31:15,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-12 23:31:15,372 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-12 23:31:15,373 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2021-11-12 23:31:15,373 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2021-11-12 23:31:15,373 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2021-11-12 23:31:15,373 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2021-11-12 23:31:15,373 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_add_interface [2021-11-12 23:31:15,373 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_add_interface [2021-11-12 23:31:15,374 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_write_phy_antenna [2021-11-12 23:31:15,374 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_write_phy_antenna [2021-11-12 23:31:15,374 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-12 23:31:15,374 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-12 23:31:15,374 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-12 23:31:15,374 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-12 23:31:15,374 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_channel [2021-11-12 23:31:15,375 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_channel [2021-11-12 23:31:15,375 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_tx_power [2021-11-12 23:31:15,375 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_tx_power [2021-11-12 23:31:15,375 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2021-11-12 23:31:15,375 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_set_channel [2021-11-12 23:31:15,375 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_set_channel [2021-11-12 23:31:15,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-12 23:31:15,376 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-11-12 23:31:15,376 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-11-12 23:31:15,376 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2021-11-12 23:31:15,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2021-11-12 23:31:15,376 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_cck [2021-11-12 23:31:15,377 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_cck [2021-11-12 23:31:15,377 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-12 23:31:15,377 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-12 23:31:15,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-12 23:31:15,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-12 23:31:15,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-12 23:31:15,378 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-12 23:31:15,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-12 23:31:15,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-12 23:31:15,378 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_rts_cts_rate [2021-11-12 23:31:15,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_rts_cts_rate [2021-11-12 23:31:15,378 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225se_rf_init [2021-11-12 23:31:15,379 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225se_rf_init [2021-11-12 23:31:15,379 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_set_channel [2021-11-12 23:31:15,379 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_set_channel [2021-11-12 23:31:15,379 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-12 23:31:15,379 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-12 23:31:15,379 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_set_anaparam2 [2021-11-12 23:31:15,380 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_set_anaparam2 [2021-11-12 23:31:15,380 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_ofdm [2021-11-12 23:31:15,380 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_ofdm [2021-11-12 23:31:15,380 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_calc_rssi [2021-11-12 23:31:15,380 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_calc_rssi [2021-11-12 23:31:15,380 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_write_phy [2021-11-12 23:31:15,380 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_write_phy [2021-11-12 23:31:15,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-12 23:31:15,381 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_conf_basic_rates [2021-11-12 23:31:15,381 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_conf_basic_rates [2021-11-12 23:31:15,381 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2021-11-12 23:31:15,381 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2021-11-12 23:31:15,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 23:31:15,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 23:31:15,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb_12 [2021-11-12 23:31:15,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb_12 [2021-11-12 23:31:15,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-12 23:31:15,382 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-12 23:31:15,382 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-12 23:31:15,382 INFO L130 BoogieDeclarations]: Found specification of procedure write_sa2400 [2021-11-12 23:31:15,383 INFO L138 BoogieDeclarations]: Found implementation of procedure write_sa2400 [2021-11-12 23:31:15,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-12 23:31:15,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-12 23:31:15,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-12 23:31:15,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-12 23:31:15,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-12 23:31:15,383 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_conf_tx [2021-11-12 23:31:15,384 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_conf_tx [2021-11-12 23:31:15,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-12 23:31:15,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-12 23:31:15,384 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_stop [2021-11-12 23:31:15,384 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_stop [2021-11-12 23:31:15,384 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-12 23:31:15,385 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-12 23:31:15,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_5 [2021-11-12 23:31:15,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_5 [2021-11-12 23:31:15,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_4 [2021-11-12 23:31:15,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_4 [2021-11-12 23:31:15,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_3 [2021-11-12 23:31:15,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_3 [2021-11-12 23:31:15,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_8 [2021-11-12 23:31:15,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_8 [2021-11-12 23:31:15,386 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_init [2021-11-12 23:31:15,386 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_init [2021-11-12 23:31:15,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_7 [2021-11-12 23:31:15,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_7 [2021-11-12 23:31:15,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_6 [2021-11-12 23:31:15,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_6 [2021-11-12 23:31:15,387 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_init [2021-11-12 23:31:15,387 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_init [2021-11-12 23:31:15,387 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove [2021-11-12 23:31:15,387 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove [2021-11-12 23:31:15,388 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225se_rf_set_channel [2021-11-12 23:31:15,388 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225se_rf_set_channel [2021-11-12 23:31:15,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-12 23:31:15,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-12 23:31:15,388 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-12 23:31:15,388 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-12 23:31:15,388 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_stop [2021-11-12 23:31:15,389 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_stop [2021-11-12 23:31:15,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-12 23:31:15,389 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-12 23:31:15,389 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2021-11-12 23:31:15,389 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2021-11-12 23:31:15,389 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-12 23:31:15,390 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-12 23:31:15,390 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_int_disable [2021-11-12 23:31:15,390 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_int_disable [2021-11-12 23:31:15,390 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-11-12 23:31:15,390 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-11-12 23:31:15,390 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write [2021-11-12 23:31:15,391 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write [2021-11-12 23:31:15,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 23:31:15,391 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_write_phy_antenna [2021-11-12 23:31:15,391 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_write_phy_antenna [2021-11-12 23:31:15,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-12 23:31:15,391 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225se_rf_stop [2021-11-12 23:31:15,391 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225se_rf_stop [2021-11-12 23:31:15,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2021-11-12 23:31:15,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2021-11-12 23:31:15,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-12 23:31:15,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-12 23:31:15,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-12 23:31:15,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-12 23:31:15,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-12 23:31:15,393 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_init [2021-11-12 23:31:15,393 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_init [2021-11-12 23:31:15,393 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-12 23:31:15,393 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-12 23:31:15,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___skb_dequeue_14 [2021-11-12 23:31:15,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___skb_dequeue_14 [2021-11-12 23:31:15,394 INFO L130 BoogieDeclarations]: Found specification of procedure write_max2820 [2021-11-12 23:31:15,394 INFO L138 BoogieDeclarations]: Found implementation of procedure write_max2820 [2021-11-12 23:31:15,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-12 23:31:15,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-12 23:31:15,394 INFO L130 BoogieDeclarations]: Found specification of procedure write_grf5101 [2021-11-12 23:31:15,394 INFO L138 BoogieDeclarations]: Found implementation of procedure write_grf5101 [2021-11-12 23:31:15,395 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187se_rf_readreg [2021-11-12 23:31:15,395 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187se_rf_readreg [2021-11-12 23:31:15,395 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove_interface [2021-11-12 23:31:15,395 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove_interface [2021-11-12 23:31:15,395 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-11-12 23:31:15,395 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-11-12 23:31:15,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2021-11-12 23:31:15,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2021-11-12 23:31:15,396 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_read [2021-11-12 23:31:15,396 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_read [2021-11-12 23:31:15,396 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_handle_rx [2021-11-12 23:31:15,396 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_handle_rx [2021-11-12 23:31:15,396 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_set_channel [2021-11-12 23:31:15,396 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_set_channel [2021-11-12 23:31:15,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-12 23:31:15,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-12 23:31:15,397 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_read [2021-11-12 23:31:15,397 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_read [2021-11-12 23:31:15,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-12 23:31:15,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-12 23:31:15,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-12 23:31:15,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-12 23:31:15,398 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_handle_tx [2021-11-12 23:31:15,398 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_handle_tx [2021-11-12 23:31:15,398 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_configure_filter [2021-11-12 23:31:15,398 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_configure_filter [2021-11-12 23:31:15,399 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187se_conf_ac_parm [2021-11-12 23:31:15,399 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187se_conf_ac_parm [2021-11-12 23:31:15,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-11-12 23:31:15,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-11-12 23:31:15,399 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_RXCB [2021-11-12 23:31:15,399 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_RXCB [2021-11-12 23:31:15,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2021-11-12 23:31:15,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2021-11-12 23:31:15,400 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_stop [2021-11-12 23:31:15,400 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_stop [2021-11-12 23:31:15,400 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2021-11-12 23:31:15,400 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2021-11-12 23:31:15,400 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_prepare_multicast [2021-11-12 23:31:15,401 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_prepare_multicast [2021-11-12 23:31:15,401 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-11-12 23:31:15,401 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-11-12 23:31:15,401 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-12 23:31:15,401 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-12 23:31:15,401 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite32 [2021-11-12 23:31:15,401 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite32 [2021-11-12 23:31:15,402 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_multiread [2021-11-12 23:31:15,402 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_multiread [2021-11-12 23:31:15,402 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_config [2021-11-12 23:31:15,402 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_config [2021-11-12 23:31:15,402 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187se_three_wire_io [2021-11-12 23:31:15,402 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187se_three_wire_io [2021-11-12 23:31:15,402 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_tx [2021-11-12 23:31:15,403 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_tx [2021-11-12 23:31:15,403 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite16 [2021-11-12 23:31:15,403 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite16 [2021-11-12 23:31:15,403 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u8 [2021-11-12 23:31:15,403 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2021-11-12 23:31:15,403 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2021-11-12 23:31:19,177 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-12 23:32:06,141 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 23:32:06,145 INFO L299 CfgBuilder]: Removed 81 assume(true) statements. [2021-11-12 23:32:06,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:32:06 BoogieIcfgContainer [2021-11-12 23:32:06,156 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 23:32:06,160 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 23:32:06,160 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 23:32:06,163 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 23:32:06,163 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 11:31:08" (1/3) ... [2021-11-12 23:32:06,169 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d11322 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:32:06, skipping insertion in model container [2021-11-12 23:32:06,169 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:31:14" (2/3) ... [2021-11-12 23:32:06,170 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d11322 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:32:06, skipping insertion in model container [2021-11-12 23:32:06,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:32:06" (3/3) ... [2021-11-12 23:32:06,172 INFO L111 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i [2021-11-12 23:32:06,178 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 23:32:06,178 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-12 23:32:06,250 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 23:32:06,257 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 [2021-11-12 23:32:06,257 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-12 23:32:06,354 INFO L276 IsEmpty]: Start isEmpty. Operand has 3635 states, 2087 states have (on average 1.3143267848586488) internal successors, (2743), 2242 states have internal predecessors, (2743), 1503 states have call successors, (1503), 122 states have call predecessors, (1503), 121 states have return successors, (1489), 1454 states have call predecessors, (1489), 1489 states have call successors, (1489) [2021-11-12 23:32:06,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-12 23:32:06,378 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:32:06,381 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:32:06,382 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:32:06,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:32:06,387 INFO L85 PathProgramCache]: Analyzing trace with hash 1146511857, now seen corresponding path program 1 times [2021-11-12 23:32:06,420 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:32:06,420 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [15967596] [2021-11-12 23:32:06,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:32:06,421 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:32:06,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:32:06,424 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:32:06,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-12 23:32:14,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:32:15,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 3702 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-12 23:32:15,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:32:15,935 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-12 23:32:15,936 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:32:16,507 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2021-11-12 23:32:16,508 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:32:16,508 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [15967596] [2021-11-12 23:32:16,508 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [15967596] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 23:32:16,509 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-12 23:32:16,509 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2021-11-12 23:32:16,510 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289134705] [2021-11-12 23:32:16,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:32:16,515 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:32:16,516 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:32:16,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:32:16,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:32:16,554 INFO L87 Difference]: Start difference. First operand has 3635 states, 2087 states have (on average 1.3143267848586488) internal successors, (2743), 2242 states have internal predecessors, (2743), 1503 states have call successors, (1503), 122 states have call predecessors, (1503), 121 states have return successors, (1489), 1454 states have call predecessors, (1489), 1489 states have call successors, (1489) Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-12 23:32:17,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:32:17,207 INFO L93 Difference]: Finished difference Result 7034 states and 11155 transitions. [2021-11-12 23:32:17,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:32:17,210 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 78 [2021-11-12 23:32:17,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:32:17,281 INFO L225 Difference]: With dead ends: 7034 [2021-11-12 23:32:17,281 INFO L226 Difference]: Without dead ends: 3380 [2021-11-12 23:32:17,322 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:32:17,327 INFO L933 BasicCegarLoop]: 5253 mSDtfsCounter, 2 mSDsluCounter, 10500 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 134.81ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 15753 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 68.80ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 154.45ms IncrementalHoareTripleChecker+Time [2021-11-12 23:32:17,328 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 15753 Invalid, 19 Unknown, 0 Unchecked, 68.80ms Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 154.45ms Time] [2021-11-12 23:32:17,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3380 states. [2021-11-12 23:32:17,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3380 to 3380. [2021-11-12 23:32:17,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3380 states, 1847 states have (on average 1.2994044396318354) internal successors, (2400), 1918 states have internal predecessors, (2400), 1411 states have call successors, (1411), 121 states have call predecessors, (1411), 121 states have return successors, (1412), 1375 states have call predecessors, (1412), 1410 states have call successors, (1412) [2021-11-12 23:32:17,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3380 states to 3380 states and 5223 transitions. [2021-11-12 23:32:17,748 INFO L78 Accepts]: Start accepts. Automaton has 3380 states and 5223 transitions. Word has length 78 [2021-11-12 23:32:17,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:32:17,749 INFO L470 AbstractCegarLoop]: Abstraction has 3380 states and 5223 transitions. [2021-11-12 23:32:17,749 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-12 23:32:17,749 INFO L276 IsEmpty]: Start isEmpty. Operand 3380 states and 5223 transitions. [2021-11-12 23:32:17,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-12 23:32:17,761 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:32:17,761 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:32:17,854 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-12 23:32:17,978 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:32:17,979 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:32:17,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:32:17,979 INFO L85 PathProgramCache]: Analyzing trace with hash -485676745, now seen corresponding path program 1 times [2021-11-12 23:32:17,988 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:32:17,988 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [395374973] [2021-11-12 23:32:17,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:32:17,989 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:32:17,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:32:17,990 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:32:18,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-12 23:32:26,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:32:27,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 3712 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:32:27,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:32:27,664 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2021-11-12 23:32:27,664 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:32:28,385 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2021-11-12 23:32:28,385 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:32:28,386 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [395374973] [2021-11-12 23:32:28,386 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [395374973] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:32:28,386 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [124994609] [2021-11-12 23:32:28,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:32:28,386 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-12 23:32:28,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-12 23:32:28,390 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-12 23:32:28,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2021-11-12 23:32:30,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:32:30,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 3712 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:32:30,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:32:31,115 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2021-11-12 23:32:31,115 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:32:31,528 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2021-11-12 23:32:31,529 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [124994609] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:32:31,529 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-12 23:32:31,529 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5, 5] total 10 [2021-11-12 23:32:31,530 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759232590] [2021-11-12 23:32:31,530 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:32:31,531 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:32:31,531 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:32:31,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:32:31,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-11-12 23:32:31,532 INFO L87 Difference]: Start difference. First operand 3380 states and 5223 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2021-11-12 23:32:34,020 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:33:00,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:33:00,096 INFO L93 Difference]: Finished difference Result 13379 states and 20705 transitions. [2021-11-12 23:33:00,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:33:00,097 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 80 [2021-11-12 23:33:00,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:33:00,215 INFO L225 Difference]: With dead ends: 13379 [2021-11-12 23:33:00,215 INFO L226 Difference]: Without dead ends: 10021 [2021-11-12 23:33:00,251 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 316 GetRequests, 308 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-11-12 23:33:00,252 INFO L933 BasicCegarLoop]: 8013 mSDtfsCounter, 12617 mSDsluCounter, 7534 mSDsCounter, 0 mSdLazyCounter, 2820 mSolverCounterSat, 2792 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25011.73ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 12617 SdHoareTripleChecker+Valid, 15547 SdHoareTripleChecker+Invalid, 5613 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 100.41ms SdHoareTripleChecker+Time, 2792 IncrementalHoareTripleChecker+Valid, 2820 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27669.15ms IncrementalHoareTripleChecker+Time [2021-11-12 23:33:00,253 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12617 Valid, 15547 Invalid, 5613 Unknown, 0 Unchecked, 100.41ms Time], IncrementalHoareTripleChecker [2792 Valid, 2820 Invalid, 1 Unknown, 0 Unchecked, 27669.15ms Time] [2021-11-12 23:33:00,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10021 states. [2021-11-12 23:33:01,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10021 to 10021. [2021-11-12 23:33:01,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10021 states, 5462 states have (on average 1.3024533138044672) internal successors, (7114), 5675 states have internal predecessors, (7114), 4195 states have call successors, (4195), 361 states have call predecessors, (4195), 363 states have return successors, (4200), 4089 states have call predecessors, (4200), 4194 states have call successors, (4200) [2021-11-12 23:33:01,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10021 states to 10021 states and 15509 transitions. [2021-11-12 23:33:01,462 INFO L78 Accepts]: Start accepts. Automaton has 10021 states and 15509 transitions. Word has length 80 [2021-11-12 23:33:01,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:33:01,465 INFO L470 AbstractCegarLoop]: Abstraction has 10021 states and 15509 transitions. [2021-11-12 23:33:01,466 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2021-11-12 23:33:01,466 INFO L276 IsEmpty]: Start isEmpty. Operand 10021 states and 15509 transitions. [2021-11-12 23:33:01,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-12 23:33:01,472 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:33:01,473 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 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] [2021-11-12 23:33:01,493 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2021-11-12 23:33:01,803 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-12 23:33:01,890 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:33:01,890 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:33:01,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:33:01,891 INFO L85 PathProgramCache]: Analyzing trace with hash -532053677, now seen corresponding path program 1 times [2021-11-12 23:33:01,900 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:33:01,900 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1015588960] [2021-11-12 23:33:01,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:33:01,901 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:33:01,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:33:01,902 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:33:01,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-12 23:33:10,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:33:10,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 3725 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:33:10,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:33:11,329 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2021-11-12 23:33:11,330 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:33:12,006 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2021-11-12 23:33:12,006 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:33:12,007 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1015588960] [2021-11-12 23:33:12,007 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1015588960] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:33:12,007 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1359353489] [2021-11-12 23:33:12,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:33:12,007 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-12 23:33:12,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-12 23:33:12,013 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-12 23:33:12,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2021-11-12 23:33:14,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:33:14,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 3725 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:33:14,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:33:14,852 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2021-11-12 23:33:14,852 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:33:15,432 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2021-11-12 23:33:15,432 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1359353489] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:33:15,432 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-12 23:33:15,432 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [5, 5] total 13 [2021-11-12 23:33:15,432 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148804252] [2021-11-12 23:33:15,433 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:33:15,433 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-12 23:33:15,433 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:33:15,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-12 23:33:15,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2021-11-12 23:33:15,434 INFO L87 Difference]: Start difference. First operand 10021 states and 15509 transitions. Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 3 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-12 23:33:17,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:33:17,468 INFO L93 Difference]: Finished difference Result 30016 states and 46670 transitions. [2021-11-12 23:33:17,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-12 23:33:17,468 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 3 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 83 [2021-11-12 23:33:17,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:33:17,690 INFO L225 Difference]: With dead ends: 30016 [2021-11-12 23:33:17,690 INFO L226 Difference]: Without dead ends: 20012 [2021-11-12 23:33:17,774 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 330 GetRequests, 317 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2021-11-12 23:33:17,777 INFO L933 BasicCegarLoop]: 7092 mSDtfsCounter, 5181 mSDsluCounter, 33583 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 687.41ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5181 SdHoareTripleChecker+Valid, 40675 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 92.31ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 758.83ms IncrementalHoareTripleChecker+Time [2021-11-12 23:33:17,779 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5181 Valid, 40675 Invalid, 64 Unknown, 0 Unchecked, 92.31ms Time], IncrementalHoareTripleChecker [2 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 758.83ms Time] [2021-11-12 23:33:17,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20012 states. [2021-11-12 23:33:19,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20012 to 20000. [2021-11-12 23:33:19,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20000 states, 10893 states have (on average 1.3024878362250987) internal successors, (14188), 11319 states have internal predecessors, (14188), 8380 states have call successors, (8380), 721 states have call predecessors, (8380), 726 states have return successors, (8511), 8169 states have call predecessors, (8511), 8379 states have call successors, (8511) [2021-11-12 23:33:19,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20000 states to 20000 states and 31079 transitions. [2021-11-12 23:33:19,828 INFO L78 Accepts]: Start accepts. Automaton has 20000 states and 31079 transitions. Word has length 83 [2021-11-12 23:33:19,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:33:19,831 INFO L470 AbstractCegarLoop]: Abstraction has 20000 states and 31079 transitions. [2021-11-12 23:33:19,831 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 3 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-12 23:33:19,831 INFO L276 IsEmpty]: Start isEmpty. Operand 20000 states and 31079 transitions. [2021-11-12 23:33:19,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2021-11-12 23:33:19,856 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:33:19,857 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 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] [2021-11-12 23:33:19,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-11-12 23:33:20,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2021-11-12 23:33:20,257 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt [2021-11-12 23:33:20,258 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:33:20,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:33:20,258 INFO L85 PathProgramCache]: Analyzing trace with hash 1523941246, now seen corresponding path program 1 times [2021-11-12 23:33:20,265 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:33:20,265 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [742693424] [2021-11-12 23:33:20,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:33:20,265 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:33:20,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:33:20,266 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:33:20,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-12 23:33:28,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:33:29,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 3981 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:33:29,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:33:30,336 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 40 proven. 1 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-11-12 23:33:30,336 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:33:31,202 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2021-11-12 23:33:31,202 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:33:31,202 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [742693424] [2021-11-12 23:33:31,202 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [742693424] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:33:31,202 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [649612500] [2021-11-12 23:33:31,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:33:31,203 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-12 23:33:31,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-12 23:33:31,206 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-12 23:33:31,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2021-11-12 23:33:33,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:33:33,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 3981 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:33:33,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:33:34,090 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2021-11-12 23:33:34,090 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:33:34,687 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2021-11-12 23:33:34,688 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [649612500] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:33:34,688 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-12 23:33:34,688 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5, 5] total 9 [2021-11-12 23:33:34,689 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166508131] [2021-11-12 23:33:34,689 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:33:34,690 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 23:33:34,690 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:33:34,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 23:33:34,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-11-12 23:33:34,691 INFO L87 Difference]: Start difference. First operand 20000 states and 31079 transitions. Second operand has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-12 23:33:37,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:33:37,123 INFO L93 Difference]: Finished difference Result 54502 states and 85013 transitions. [2021-11-12 23:33:37,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:33:37,124 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 160 [2021-11-12 23:33:37,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:33:37,425 INFO L225 Difference]: With dead ends: 54502 [2021-11-12 23:33:37,425 INFO L226 Difference]: Without dead ends: 34512 [2021-11-12 23:33:37,536 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 636 GetRequests, 629 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-11-12 23:33:37,538 INFO L933 BasicCegarLoop]: 6346 mSDtfsCounter, 3833 mSDsluCounter, 5124 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 716.47ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3833 SdHoareTripleChecker+Valid, 11470 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 30.25ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 793.10ms IncrementalHoareTripleChecker+Time [2021-11-12 23:33:37,540 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3833 Valid, 11470 Invalid, 65 Unknown, 0 Unchecked, 30.25ms Time], IncrementalHoareTripleChecker [2 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 793.10ms Time] [2021-11-12 23:33:37,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34512 states. [2021-11-12 23:33:40,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34512 to 34500. [2021-11-12 23:33:40,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34500 states, 18167 states have (on average 1.3019210656685198) internal successors, (23652), 18841 states have internal predecessors, (23652), 15042 states have call successors, (15042), 1285 states have call predecessors, (15042), 1290 states have return successors, (15242), 14745 states have call predecessors, (15242), 15041 states have call successors, (15242) [2021-11-12 23:33:41,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34500 states to 34500 states and 53936 transitions. [2021-11-12 23:33:41,128 INFO L78 Accepts]: Start accepts. Automaton has 34500 states and 53936 transitions. Word has length 160 [2021-11-12 23:33:41,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:33:41,129 INFO L470 AbstractCegarLoop]: Abstraction has 34500 states and 53936 transitions. [2021-11-12 23:33:41,129 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-12 23:33:41,129 INFO L276 IsEmpty]: Start isEmpty. Operand 34500 states and 53936 transitions. [2021-11-12 23:33:41,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2021-11-12 23:33:41,157 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:33:41,158 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 3, 3, 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] [2021-11-12 23:33:41,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-12 23:33:41,398 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2021-11-12 23:33:41,573 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt [2021-11-12 23:33:41,573 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:33:41,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:33:41,574 INFO L85 PathProgramCache]: Analyzing trace with hash -155660761, now seen corresponding path program 1 times [2021-11-12 23:33:41,582 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:33:41,582 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1783130808] [2021-11-12 23:33:41,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:33:41,583 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:33:41,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:33:41,584 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:33:41,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-12 23:33:50,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:33:50,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 4068 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:33:50,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:33:51,906 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 35 proven. 1 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2021-11-12 23:33:51,906 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:33:52,914 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2021-11-12 23:33:52,914 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:33:52,915 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1783130808] [2021-11-12 23:33:52,915 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1783130808] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:33:52,915 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [695057650] [2021-11-12 23:33:52,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:33:52,915 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-12 23:33:52,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-12 23:33:52,916 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-12 23:33:52,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2021-11-12 23:33:54,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:33:55,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 4068 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:33:55,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:33:57,741 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2021-11-12 23:33:57,742 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:33:59,370 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2021-11-12 23:33:59,370 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [695057650] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:33:59,370 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-12 23:33:59,371 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 5] imperfect sequences [5, 5] total 13 [2021-11-12 23:33:59,371 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495927314] [2021-11-12 23:33:59,371 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:33:59,372 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-12 23:33:59,372 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:33:59,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-12 23:33:59,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2021-11-12 23:33:59,373 INFO L87 Difference]: Start difference. First operand 34500 states and 53936 transitions. Second operand has 7 states, 7 states have (on average 24.0) internal successors, (168), 7 states have internal predecessors, (168), 5 states have call successors, (41), 3 states have call predecessors, (41), 4 states have return successors, (40), 5 states have call predecessors, (40), 4 states have call successors, (40) [2021-11-12 23:34:01,689 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:34:50,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:34:50,460 INFO L93 Difference]: Finished difference Result 112714 states and 176815 transitions. [2021-11-12 23:34:50,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-12 23:34:50,461 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.0) internal successors, (168), 7 states have internal predecessors, (168), 5 states have call successors, (41), 3 states have call predecessors, (41), 4 states have return successors, (40), 5 states have call predecessors, (40), 4 states have call successors, (40) Word has length 178 [2021-11-12 23:34:50,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:34:51,062 INFO L225 Difference]: With dead ends: 112714 [2021-11-12 23:34:51,063 INFO L226 Difference]: Without dead ends: 78236 [2021-11-12 23:34:51,454 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 709 GetRequests, 697 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2021-11-12 23:34:51,455 INFO L933 BasicCegarLoop]: 8220 mSDtfsCounter, 7147 mSDsluCounter, 14753 mSDsCounter, 0 mSdLazyCounter, 7218 mSolverCounterSat, 319 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44576.25ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7437 SdHoareTripleChecker+Valid, 22973 SdHoareTripleChecker+Invalid, 7538 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 113.98ms SdHoareTripleChecker+Time, 319 IncrementalHoareTripleChecker+Valid, 7218 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47424.33ms IncrementalHoareTripleChecker+Time [2021-11-12 23:34:51,455 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7437 Valid, 22973 Invalid, 7538 Unknown, 0 Unchecked, 113.98ms Time], IncrementalHoareTripleChecker [319 Valid, 7218 Invalid, 1 Unknown, 0 Unchecked, 47424.33ms Time] [2021-11-12 23:34:51,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78236 states. [2021-11-12 23:34:56,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78236 to 69024. [2021-11-12 23:34:56,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69024 states, 36345 states have (on average 1.301169349291512) internal successors, (47291), 37717 states have internal predecessors, (47291), 30074 states have call successors, (30074), 2569 states have call predecessors, (30074), 2604 states have return successors, (30589), 29481 states have call predecessors, (30589), 30073 states have call successors, (30589) [2021-11-12 23:34:57,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69024 states to 69024 states and 107954 transitions. [2021-11-12 23:34:57,503 INFO L78 Accepts]: Start accepts. Automaton has 69024 states and 107954 transitions. Word has length 178 [2021-11-12 23:34:57,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:34:57,504 INFO L470 AbstractCegarLoop]: Abstraction has 69024 states and 107954 transitions. [2021-11-12 23:34:57,505 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.0) internal successors, (168), 7 states have internal predecessors, (168), 5 states have call successors, (41), 3 states have call predecessors, (41), 4 states have return successors, (40), 5 states have call predecessors, (40), 4 states have call successors, (40) [2021-11-12 23:34:57,505 INFO L276 IsEmpty]: Start isEmpty. Operand 69024 states and 107954 transitions. [2021-11-12 23:34:57,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2021-11-12 23:34:57,540 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:34:57,540 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 3, 3, 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] [2021-11-12 23:34:57,561 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2021-11-12 23:34:57,838 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (9)] Ended with exit code 0 [2021-11-12 23:34:57,953 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:34:57,953 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:34:57,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:34:57,954 INFO L85 PathProgramCache]: Analyzing trace with hash 1049844615, now seen corresponding path program 1 times [2021-11-12 23:34:57,959 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:34:57,959 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [519164352] [2021-11-12 23:34:57,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:34:57,959 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:34:57,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:34:57,960 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:34:57,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-12 23:35:06,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:35:07,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 4066 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:35:07,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:35:08,119 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 35 proven. 1 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2021-11-12 23:35:08,119 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:35:08,964 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2021-11-12 23:35:08,964 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:35:08,964 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [519164352] [2021-11-12 23:35:08,964 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [519164352] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:35:08,964 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1402652743] [2021-11-12 23:35:08,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:35:08,965 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-12 23:35:08,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-12 23:35:08,966 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-12 23:35:08,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2021-11-12 23:35:11,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:35:11,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 4066 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:35:11,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:35:13,558 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2021-11-12 23:35:13,558 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:35:15,114 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2021-11-12 23:35:15,114 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1402652743] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:35:15,114 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-12 23:35:15,115 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 5] imperfect sequences [5, 5] total 13 [2021-11-12 23:35:15,115 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714480800] [2021-11-12 23:35:15,115 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:35:15,116 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-12 23:35:15,116 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:35:15,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-12 23:35:15,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2021-11-12 23:35:15,117 INFO L87 Difference]: Start difference. First operand 69024 states and 107954 transitions. Second operand has 7 states, 7 states have (on average 23.857142857142858) internal successors, (167), 7 states have internal predecessors, (167), 5 states have call successors, (41), 3 states have call predecessors, (41), 4 states have return successors, (40), 5 states have call predecessors, (40), 4 states have call successors, (40) [2021-11-12 23:35:17,442 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:35:43,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:35:43,331 INFO L93 Difference]: Finished difference Result 207028 states and 324160 transitions. [2021-11-12 23:35:43,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-12 23:35:43,331 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 23.857142857142858) internal successors, (167), 7 states have internal predecessors, (167), 5 states have call successors, (41), 3 states have call predecessors, (41), 4 states have return successors, (40), 5 states have call predecessors, (40), 4 states have call successors, (40) Word has length 177 [2021-11-12 23:35:43,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:35:44,372 INFO L225 Difference]: With dead ends: 207028 [2021-11-12 23:35:44,372 INFO L226 Difference]: Without dead ends: 138026 [2021-11-12 23:35:44,922 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 705 GetRequests, 693 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2021-11-12 23:35:44,923 INFO L933 BasicCegarLoop]: 7065 mSDtfsCounter, 5221 mSDsluCounter, 9362 mSDsCounter, 0 mSdLazyCounter, 2910 mSolverCounterSat, 44 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20452.68ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5228 SdHoareTripleChecker+Valid, 16427 SdHoareTripleChecker+Invalid, 2955 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 59.02ms SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 2910 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22021.52ms IncrementalHoareTripleChecker+Time [2021-11-12 23:35:44,923 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5228 Valid, 16427 Invalid, 2955 Unknown, 0 Unchecked, 59.02ms Time], IncrementalHoareTripleChecker [44 Valid, 2910 Invalid, 1 Unknown, 0 Unchecked, 22021.52ms Time] [2021-11-12 23:35:45,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138026 states. [2021-11-12 23:35:54,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138026 to 137880. [2021-11-12 23:35:54,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137880 states, 72545 states have (on average 1.3011923633606728) internal successors, (94395), 75373 states have internal predecessors, (94395), 60138 states have call successors, (60138), 5137 states have call predecessors, (60138), 5196 states have return successors, (61241), 58833 states have call predecessors, (61241), 60137 states have call successors, (61241) [2021-11-12 23:35:56,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137880 states to 137880 states and 215774 transitions. [2021-11-12 23:35:56,183 INFO L78 Accepts]: Start accepts. Automaton has 137880 states and 215774 transitions. Word has length 177 [2021-11-12 23:35:56,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:35:56,183 INFO L470 AbstractCegarLoop]: Abstraction has 137880 states and 215774 transitions. [2021-11-12 23:35:56,184 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.857142857142858) internal successors, (167), 7 states have internal predecessors, (167), 5 states have call successors, (41), 3 states have call predecessors, (41), 4 states have return successors, (40), 5 states have call predecessors, (40), 4 states have call successors, (40) [2021-11-12 23:35:56,184 INFO L276 IsEmpty]: Start isEmpty. Operand 137880 states and 215774 transitions. [2021-11-12 23:35:56,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-11-12 23:35:56,220 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:35:56,220 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 3, 3, 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] [2021-11-12 23:35:56,335 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-12 23:35:56,462 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2021-11-12 23:35:56,645 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt [2021-11-12 23:35:56,645 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:35:56,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:35:56,646 INFO L85 PathProgramCache]: Analyzing trace with hash 1810732558, now seen corresponding path program 1 times [2021-11-12 23:35:56,650 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:35:56,651 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1970335533] [2021-11-12 23:35:56,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:35:56,651 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:35:56,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:35:56,651 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:35:56,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-12 23:36:05,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:36:05,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 4072 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:36:05,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:36:06,587 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 35 proven. 1 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2021-11-12 23:36:06,587 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:36:07,438 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2021-11-12 23:36:07,438 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:36:07,438 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1970335533] [2021-11-12 23:36:07,438 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1970335533] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:36:07,438 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2105014429] [2021-11-12 23:36:07,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:36:07,438 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-12 23:36:07,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-12 23:36:07,439 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-12 23:36:07,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88da63a-bf0e-47bf-97f0-c3b05423429d/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2021-11-12 23:36:09,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:36:09,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 4072 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:36:09,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:36:12,194 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2021-11-12 23:36:12,194 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:36:13,722 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2021-11-12 23:36:13,722 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2105014429] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:36:13,722 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-12 23:36:13,722 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 5] imperfect sequences [5, 5] total 13 [2021-11-12 23:36:13,722 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424025083] [2021-11-12 23:36:13,723 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:36:13,723 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-12 23:36:13,723 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:36:13,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-12 23:36:13,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2021-11-12 23:36:13,724 INFO L87 Difference]: Start difference. First operand 137880 states and 215774 transitions. Second operand has 7 states, 7 states have (on average 24.285714285714285) internal successors, (170), 7 states have internal predecessors, (170), 5 states have call successors, (41), 3 states have call predecessors, (41), 4 states have return successors, (40), 5 states have call predecessors, (40), 4 states have call successors, (40) [2021-11-12 23:36:16,037 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:36:18,050 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:37:30,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:37:30,919 INFO L93 Difference]: Finished difference Result 432010 states and 678148 transitions. [2021-11-12 23:37:30,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-12 23:37:30,920 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.285714285714285) internal successors, (170), 7 states have internal predecessors, (170), 5 states have call successors, (41), 3 states have call predecessors, (41), 4 states have return successors, (40), 5 states have call predecessors, (40), 4 states have call successors, (40) Word has length 180 [2021-11-12 23:37:30,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:37:33,208 INFO L225 Difference]: With dead ends: 432010 [2021-11-12 23:37:33,208 INFO L226 Difference]: Without dead ends: 294152 [2021-11-12 23:37:33,922 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 717 GetRequests, 705 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2021-11-12 23:37:33,923 INFO L933 BasicCegarLoop]: 8170 mSDtfsCounter, 6175 mSDsluCounter, 16015 mSDsCounter, 0 mSdLazyCounter, 9736 mSolverCounterSat, 29 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 59392.08ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6465 SdHoareTripleChecker+Valid, 24185 SdHoareTripleChecker+Invalid, 9767 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 106.52ms SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 9736 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 62563.36ms IncrementalHoareTripleChecker+Time [2021-11-12 23:37:33,923 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6465 Valid, 24185 Invalid, 9767 Unknown, 0 Unchecked, 106.52ms Time], IncrementalHoareTripleChecker [29 Valid, 9736 Invalid, 2 Unknown, 0 Unchecked, 62563.36ms Time] [2021-11-12 23:37:34,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294152 states.