./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-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 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a619f3f5-0af5-48f2-b95e-de0b259c9f5a/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a619f3f5-0af5-48f2-b95e-de0b259c9f5a/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a619f3f5-0af5-48f2-b95e-de0b259c9f5a/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a619f3f5-0af5-48f2-b95e-de0b259c9f5a/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a619f3f5-0af5-48f2-b95e-de0b259c9f5a/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a619f3f5-0af5-48f2-b95e-de0b259c9f5a/bin/utaipan-UUZaoUuFF8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 73e11d79da89f19153d89e853a8d4a3607f25d95ae579da9c148a59839e48ce3 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 00:52:52,971 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 00:52:52,974 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 00:52:53,030 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 00:52:53,031 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 00:52:53,035 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 00:52:53,038 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 00:52:53,042 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 00:52:53,044 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 00:52:53,050 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 00:52:53,052 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 00:52:53,054 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 00:52:53,054 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 00:52:53,057 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 00:52:53,059 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 00:52:53,064 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 00:52:53,066 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 00:52:53,067 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 00:52:53,070 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 00:52:53,078 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 00:52:53,080 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 00:52:53,082 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 00:52:53,085 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 00:52:53,086 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 00:52:53,095 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 00:52:53,096 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 00:52:53,097 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 00:52:53,098 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 00:52:53,099 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 00:52:53,101 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 00:52:53,101 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 00:52:53,103 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 00:52:53,105 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 00:52:53,106 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 00:52:53,108 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 00:52:53,108 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 00:52:53,109 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 00:52:53,110 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 00:52:53,110 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 00:52:53,111 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 00:52:53,112 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 00:52:53,113 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a619f3f5-0af5-48f2-b95e-de0b259c9f5a/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-07 00:52:53,158 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 00:52:53,158 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 00:52:53,160 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 00:52:53,160 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 00:52:53,160 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 00:52:53,160 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 00:52:53,161 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 00:52:53,161 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 00:52:53,167 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 00:52:53,168 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 00:52:53,169 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 00:52:53,169 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 00:52:53,169 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 00:52:53,170 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 00:52:53,170 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 00:52:53,171 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 00:52:53,171 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 00:52:53,171 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 00:52:53,172 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 00:52:53,172 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 00:52:53,172 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 00:52:53,172 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 00:52:53,172 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 00:52:53,173 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 00:52:53,173 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 00:52:53,173 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 00:52:53,174 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 00:52:53,174 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 00:52:53,174 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 00:52:53,176 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 00:52:53,176 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 00:52:53,176 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 00:52:53,177 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 00:52:53,177 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 00:52:53,177 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 00:52:53,177 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 00:52:53,178 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_a619f3f5-0af5-48f2-b95e-de0b259c9f5a/bin/utaipan-UUZaoUuFF8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a619f3f5-0af5-48f2-b95e-de0b259c9f5a/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 73e11d79da89f19153d89e853a8d4a3607f25d95ae579da9c148a59839e48ce3 [2021-11-07 00:52:53,448 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 00:52:53,469 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 00:52:53,471 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 00:52:53,473 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 00:52:53,473 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 00:52:53,474 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a619f3f5-0af5-48f2-b95e-de0b259c9f5a/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i [2021-11-07 00:52:53,563 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a619f3f5-0af5-48f2-b95e-de0b259c9f5a/bin/utaipan-UUZaoUuFF8/data/b1e8db2d9/e6604309acee4da7824902e260449bc9/FLAG417a64c2d [2021-11-07 00:52:54,680 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 00:52:54,682 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a619f3f5-0af5-48f2-b95e-de0b259c9f5a/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i [2021-11-07 00:52:54,750 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a619f3f5-0af5-48f2-b95e-de0b259c9f5a/bin/utaipan-UUZaoUuFF8/data/b1e8db2d9/e6604309acee4da7824902e260449bc9/FLAG417a64c2d [2021-11-07 00:52:55,002 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a619f3f5-0af5-48f2-b95e-de0b259c9f5a/bin/utaipan-UUZaoUuFF8/data/b1e8db2d9/e6604309acee4da7824902e260449bc9 [2021-11-07 00:52:55,004 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 00:52:55,006 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 00:52:55,018 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 00:52:55,019 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 00:52:55,022 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 00:52:55,023 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:52:55" (1/1) ... [2021-11-07 00:52:55,024 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2da6ffe5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:52:55, skipping insertion in model container [2021-11-07 00:52:55,025 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:52:55" (1/1) ... [2021-11-07 00:52:55,032 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 00:52:55,256 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 00:52:57,232 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:57,234 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:57,242 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:57,536 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:57,546 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:57,548 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:57,548 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:57,563 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:57,572 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:57,583 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:57,583 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:57,594 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:57,595 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:57,608 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:57,608 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:57,669 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:57,693 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:57,707 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:57,715 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:57,722 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:57,732 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:57,741 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:57,778 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:57,786 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:57,801 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:57,811 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:57,812 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:57,826 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:57,835 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:57,859 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:57,868 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:57,885 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:57,893 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:57,907 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:57,915 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:57,931 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:57,940 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:57,950 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:57,959 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:57,960 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:57,961 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:57,985 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:58,000 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:58,011 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:58,039 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:58,039 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:58,040 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:58,097 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:58,098 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:58,155 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:58,166 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:58,226 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:58,227 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:58,227 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:58,227 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:58,227 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:58,228 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:58,228 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:58,228 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:58,228 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:58,229 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:58,229 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:58,229 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:58,251 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:58,251 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:58,252 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:58,253 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:58,253 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:58,254 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:58,354 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:58,365 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:58,383 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:58,395 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:58,412 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:58,421 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:58,434 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:58,442 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:58,444 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:58,492 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:58,493 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:58,493 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:58,496 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:58,500 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:58,501 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:58,502 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:58,503 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:58,504 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:58,505 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:58,595 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:58,596 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:58,603 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:58,622 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:58,636 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:58,665 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:58,666 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:58,670 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:58,671 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:58,671 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:58,672 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:58,673 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:58,674 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:58,764 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:58,765 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:58,772 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:58,786 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:58,799 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:58,825 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:58,825 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:58,830 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:58,830 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:58,831 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:58,831 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:58,832 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:58,832 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:58,914 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:58,916 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:58,922 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:58,935 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:58,942 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:58,950 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:58,976 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:58,977 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:58,981 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:58,981 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:58,982 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:58,982 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:58,983 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:58,983 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:59,088 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:59,091 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:59,092 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:59,092 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:59,093 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:59,094 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:59,094 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:59,095 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:59,126 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:59,148 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:59,189 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:59,215 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:59,215 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:59,219 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:59,219 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:59,220 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:59,220 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:59,221 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:59,222 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:52:59,228 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a619f3f5-0af5-48f2-b95e-de0b259c9f5a/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i[468644,468657] [2021-11-07 00:52:59,321 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:52:59,396 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-07 00:52:59,397 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@16dc19d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:52:59, skipping insertion in model container [2021-11-07 00:52:59,397 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 00:52:59,398 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 00:52:59,400 INFO L168 Benchmark]: Toolchain (without parser) took 4392.84 ms. Allocated memory was 94.4 MB in the beginning and 234.9 MB in the end (delta: 140.5 MB). Free memory was 59.4 MB in the beginning and 159.1 MB in the end (delta: -99.6 MB). Peak memory consumption was 70.9 MB. Max. memory is 16.1 GB. [2021-11-07 00:52:59,401 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 94.4 MB. Free memory is still 47.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 00:52:59,402 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4379.27 ms. Allocated memory was 94.4 MB in the beginning and 234.9 MB in the end (delta: 140.5 MB). Free memory was 59.1 MB in the beginning and 160.1 MB in the end (delta: -101.0 MB). Peak memory consumption was 70.9 MB. Max. memory is 16.1 GB. [2021-11-07 00:52:59,403 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 94.4 MB. Free memory is still 47.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4379.27 ms. Allocated memory was 94.4 MB in the beginning and 234.9 MB in the end (delta: 140.5 MB). Free memory was 59.1 MB in the beginning and 160.1 MB in the end (delta: -101.0 MB). Peak memory consumption was 70.9 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 7821]: 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_a619f3f5-0af5-48f2-b95e-de0b259c9f5a/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a619f3f5-0af5-48f2-b95e-de0b259c9f5a/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a619f3f5-0af5-48f2-b95e-de0b259c9f5a/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a619f3f5-0af5-48f2-b95e-de0b259c9f5a/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a619f3f5-0af5-48f2-b95e-de0b259c9f5a/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a619f3f5-0af5-48f2-b95e-de0b259c9f5a/bin/utaipan-UUZaoUuFF8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 73e11d79da89f19153d89e853a8d4a3607f25d95ae579da9c148a59839e48ce3 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 00:53:01,712 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 00:53:01,716 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 00:53:01,770 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 00:53:01,771 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 00:53:01,775 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 00:53:01,777 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 00:53:01,782 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 00:53:01,785 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 00:53:01,793 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 00:53:01,794 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 00:53:01,796 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 00:53:01,797 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 00:53:01,799 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 00:53:01,802 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 00:53:01,806 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 00:53:01,808 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 00:53:01,809 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 00:53:01,811 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 00:53:01,818 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 00:53:01,820 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 00:53:01,822 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 00:53:01,824 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 00:53:01,826 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 00:53:01,836 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 00:53:01,836 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 00:53:01,837 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 00:53:01,839 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 00:53:01,839 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 00:53:01,841 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 00:53:01,841 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 00:53:01,842 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 00:53:01,844 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 00:53:01,845 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 00:53:01,847 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 00:53:01,847 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 00:53:01,848 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 00:53:01,849 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 00:53:01,849 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 00:53:01,851 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 00:53:01,852 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 00:53:01,852 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a619f3f5-0af5-48f2-b95e-de0b259c9f5a/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-07 00:53:01,894 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 00:53:01,894 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 00:53:01,895 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 00:53:01,896 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 00:53:01,896 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 00:53:01,896 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 00:53:01,896 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 00:53:01,897 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 00:53:01,897 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 00:53:01,898 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 00:53:01,899 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 00:53:01,900 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 00:53:01,900 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 00:53:01,900 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 00:53:01,900 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 00:53:01,901 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 00:53:01,901 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 00:53:01,901 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 00:53:01,901 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 00:53:01,902 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 00:53:01,902 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 00:53:01,902 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 00:53:01,902 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 00:53:01,903 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 00:53:01,903 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 00:53:01,903 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 00:53:01,903 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 00:53:01,904 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 00:53:01,904 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 00:53:01,904 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 00:53:01,904 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 00:53:01,904 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 00:53:01,905 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_a619f3f5-0af5-48f2-b95e-de0b259c9f5a/bin/utaipan-UUZaoUuFF8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a619f3f5-0af5-48f2-b95e-de0b259c9f5a/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 73e11d79da89f19153d89e853a8d4a3607f25d95ae579da9c148a59839e48ce3 [2021-11-07 00:53:02,300 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 00:53:02,322 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 00:53:02,324 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 00:53:02,326 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 00:53:02,326 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 00:53:02,327 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a619f3f5-0af5-48f2-b95e-de0b259c9f5a/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i [2021-11-07 00:53:02,401 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a619f3f5-0af5-48f2-b95e-de0b259c9f5a/bin/utaipan-UUZaoUuFF8/data/fc56257ca/085927e26d2c44c69a6b3810c9445aef/FLAG856f8a070 [2021-11-07 00:53:03,571 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 00:53:03,572 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a619f3f5-0af5-48f2-b95e-de0b259c9f5a/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i [2021-11-07 00:53:03,664 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a619f3f5-0af5-48f2-b95e-de0b259c9f5a/bin/utaipan-UUZaoUuFF8/data/fc56257ca/085927e26d2c44c69a6b3810c9445aef/FLAG856f8a070 [2021-11-07 00:53:03,761 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a619f3f5-0af5-48f2-b95e-de0b259c9f5a/bin/utaipan-UUZaoUuFF8/data/fc56257ca/085927e26d2c44c69a6b3810c9445aef [2021-11-07 00:53:03,763 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 00:53:03,765 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 00:53:03,768 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 00:53:03,768 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 00:53:03,771 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 00:53:03,772 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:53:03" (1/1) ... [2021-11-07 00:53:03,774 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c5edb81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:03, skipping insertion in model container [2021-11-07 00:53:03,774 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:53:03" (1/1) ... [2021-11-07 00:53:03,781 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 00:53:03,987 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 00:53:07,195 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:53:07,344 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:53:07,500 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:53:07,791 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a619f3f5-0af5-48f2-b95e-de0b259c9f5a/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i[468644,468657] [2021-11-07 00:53:07,883 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:53:07,979 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 00:53:08,092 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 00:53:08,626 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a619f3f5-0af5-48f2-b95e-de0b259c9f5a/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i[468644,468657] [2021-11-07 00:53:08,635 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:53:08,689 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 00:53:09,320 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a619f3f5-0af5-48f2-b95e-de0b259c9f5a/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i[468644,468657] [2021-11-07 00:53:09,331 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:53:09,664 INFO L208 MainTranslator]: Completed translation [2021-11-07 00:53:09,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:09 WrapperNode [2021-11-07 00:53:09,665 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 00:53:09,666 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 00:53:09,666 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 00:53:09,666 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 00:53:09,674 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:09" (1/1) ... [2021-11-07 00:53:09,819 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:09" (1/1) ... [2021-11-07 00:53:14,802 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 00:53:14,803 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 00:53:14,803 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 00:53:14,803 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 00:53:14,814 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:09" (1/1) ... [2021-11-07 00:53:14,814 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:09" (1/1) ... [2021-11-07 00:53:15,772 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:09" (1/1) ... [2021-11-07 00:53:15,774 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:09" (1/1) ... [2021-11-07 00:53:18,634 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:09" (1/1) ... [2021-11-07 00:53:18,955 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:09" (1/1) ... [2021-11-07 00:53:19,119 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:09" (1/1) ... [2021-11-07 00:53:19,808 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 00:53:19,810 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 00:53:19,812 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 00:53:19,812 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 00:53:19,813 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:09" (1/1) ... [2021-11-07 00:53:19,820 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 00:53:19,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a619f3f5-0af5-48f2-b95e-de0b259c9f5a/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 00:53:19,847 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a619f3f5-0af5-48f2-b95e-de0b259c9f5a/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 00:53:19,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a619f3f5-0af5-48f2-b95e-de0b259c9f5a/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 00:53:19,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 00:53:19,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-07 00:53:19,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 00:53:19,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-07 00:53:19,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-07 00:53:19,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 00:53:19,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 00:53:19,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-07 00:53:19,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-07 00:53:19,900 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-07 00:53:19,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-07 00:53:19,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-07 00:53:19,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-07 00:53:19,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 00:53:19,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 00:53:19,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-07 00:53:19,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-07 00:53:19,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-07 00:53:19,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-07 00:53:19,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-07 00:53:19,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-07 00:53:19,903 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_stop [2021-11-07 00:53:19,903 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_stop [2021-11-07 00:53:19,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 00:53:19,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 00:53:19,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-07 00:53:19,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-07 00:53:19,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-07 00:53:19,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-07 00:53:19,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-07 00:53:19,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-07 00:53:19,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-07 00:53:19,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-07 00:53:19,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-07 00:58:55,847 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 00:58:55,847 INFO L299 CfgBuilder]: Removed 40710 assume(true) statements. [2021-11-07 00:58:55,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:58:55 BoogieIcfgContainer [2021-11-07 00:58:55,876 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 00:58:55,880 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 00:58:55,880 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 00:58:55,883 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 00:58:55,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:53:03" (1/3) ... [2021-11-07 00:58:55,885 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d1c38a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:58:55, skipping insertion in model container [2021-11-07 00:58:55,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:09" (2/3) ... [2021-11-07 00:58:55,886 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d1c38a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:58:55, skipping insertion in model container [2021-11-07 00:58:55,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:58:55" (3/3) ... [2021-11-07 00:58:55,888 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i [2021-11-07 00:58:55,895 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 00:58:55,896 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 11 error locations. [2021-11-07 00:58:56,068 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 00:58:56,075 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 00:58:56,076 INFO L340 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2021-11-07 00:58:56,492 INFO L276 IsEmpty]: Start isEmpty. Operand has 23420 states, 23402 states have (on average 1.2447226732757883) internal successors, (29129), 23414 states have internal predecessors, (29129), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-07 00:58:56,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-07 00:58:56,507 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:58:56,508 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:58:56,509 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2021-11-07 00:58:56,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:58:56,516 INFO L85 PathProgramCache]: Analyzing trace with hash -636847731, now seen corresponding path program 1 times [2021-11-07 00:58:56,734 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:58:56,736 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1355263156] [2021-11-07 00:58:56,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:58:56,738 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:58:56,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a619f3f5-0af5-48f2-b95e-de0b259c9f5a/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:58:56,768 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a619f3f5-0af5-48f2-b95e-de0b259c9f5a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:58:56,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a619f3f5-0af5-48f2-b95e-de0b259c9f5a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 00:59:09,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:59:09,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 4041 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-07 00:59:09,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:59:10,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:59:10,289 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:59:10,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:59:10,896 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:59:10,897 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1355263156] [2021-11-07 00:59:10,897 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1355263156] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:59:10,897 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:59:10,898 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 00:59:10,900 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217633603] [2021-11-07 00:59:10,907 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 00:59:10,908 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:59:10,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 00:59:10,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 00:59:10,989 INFO L87 Difference]: Start difference. First operand has 23420 states, 23402 states have (on average 1.2447226732757883) internal successors, (29129), 23414 states have internal predecessors, (29129), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 41.0) internal successors, (82), 2 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:59:12,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:59:12,354 INFO L93 Difference]: Finished difference Result 46368 states and 57649 transitions. [2021-11-07 00:59:12,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 00:59:12,356 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 41.0) internal successors, (82), 2 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2021-11-07 00:59:12,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:59:12,601 INFO L225 Difference]: With dead ends: 46368 [2021-11-07 00:59:12,601 INFO L226 Difference]: Without dead ends: 22869 [2021-11-07 00:59:12,706 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 00:59:12,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22869 states. [2021-11-07 00:59:13,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22869 to 22869. [2021-11-07 00:59:13,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22869 states, 22852 states have (on average 1.2310519866970069) internal successors, (28132), 22863 states have internal predecessors, (28132), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-07 00:59:13,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22869 states to 22869 states and 28140 transitions. [2021-11-07 00:59:13,827 INFO L78 Accepts]: Start accepts. Automaton has 22869 states and 28140 transitions. Word has length 82 [2021-11-07 00:59:13,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:59:13,828 INFO L470 AbstractCegarLoop]: Abstraction has 22869 states and 28140 transitions. [2021-11-07 00:59:13,829 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 41.0) internal successors, (82), 2 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:59:13,830 INFO L276 IsEmpty]: Start isEmpty. Operand 22869 states and 28140 transitions. [2021-11-07 00:59:13,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-07 00:59:13,845 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:59:13,845 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:59:14,023 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a619f3f5-0af5-48f2-b95e-de0b259c9f5a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 00:59:14,046 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a619f3f5-0af5-48f2-b95e-de0b259c9f5a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 00:59:14,047 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2021-11-07 00:59:14,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:59:14,048 INFO L85 PathProgramCache]: Analyzing trace with hash -582741599, now seen corresponding path program 1 times [2021-11-07 00:59:14,065 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:59:14,066 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1457113137] [2021-11-07 00:59:14,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:59:14,067 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:59:14,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a619f3f5-0af5-48f2-b95e-de0b259c9f5a/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:59:14,073 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a619f3f5-0af5-48f2-b95e-de0b259c9f5a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:59:14,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a619f3f5-0af5-48f2-b95e-de0b259c9f5a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 00:59:27,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:59:27,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 4041 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 00:59:27,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:59:28,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:59:28,464 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:59:28,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:59:28,991 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:59:28,991 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1457113137] [2021-11-07 00:59:28,992 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1457113137] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:59:28,992 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:59:28,992 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 00:59:28,993 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524589659] [2021-11-07 00:59:28,995 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 00:59:28,999 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:59:29,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 00:59:29,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 00:59:29,002 INFO L87 Difference]: Start difference. First operand 22869 states and 28140 transitions. Second operand has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:59:32,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:59:32,898 INFO L93 Difference]: Finished difference Result 45730 states and 56315 transitions. [2021-11-07 00:59:32,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 00:59:32,899 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2021-11-07 00:59:32,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:59:33,023 INFO L225 Difference]: With dead ends: 45730 [2021-11-07 00:59:33,024 INFO L226 Difference]: Without dead ends: 22913 [2021-11-07 00:59:33,095 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 00:59:33,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22913 states. [2021-11-07 00:59:33,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22913 to 22913. [2021-11-07 00:59:33,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22913 states, 22896 states have (on average 1.230607966457023) internal successors, (28176), 22907 states have internal predecessors, (28176), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-07 00:59:33,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22913 states to 22913 states and 28184 transitions. [2021-11-07 00:59:33,969 INFO L78 Accepts]: Start accepts. Automaton has 22913 states and 28184 transitions. Word has length 82 [2021-11-07 00:59:33,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:59:33,970 INFO L470 AbstractCegarLoop]: Abstraction has 22913 states and 28184 transitions. [2021-11-07 00:59:33,970 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:59:33,970 INFO L276 IsEmpty]: Start isEmpty. Operand 22913 states and 28184 transitions. [2021-11-07 00:59:33,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-11-07 00:59:33,974 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:59:33,975 INFO L513 BasicCegarLoop]: trace histogram [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] [2021-11-07 00:59:34,153 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a619f3f5-0af5-48f2-b95e-de0b259c9f5a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 00:59:34,193 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a619f3f5-0af5-48f2-b95e-de0b259c9f5a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 00:59:34,193 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2021-11-07 00:59:34,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:59:34,194 INFO L85 PathProgramCache]: Analyzing trace with hash -63897921, now seen corresponding path program 1 times [2021-11-07 00:59:34,208 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:59:34,208 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2017566483] [2021-11-07 00:59:34,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:59:34,209 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:59:34,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a619f3f5-0af5-48f2-b95e-de0b259c9f5a/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:59:34,210 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a619f3f5-0af5-48f2-b95e-de0b259c9f5a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:59:34,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a619f3f5-0af5-48f2-b95e-de0b259c9f5a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 00:59:48,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:59:48,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 4091 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 00:59:48,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:59:49,577 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-07 00:59:49,578 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:59:50,699 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-07 00:59:50,699 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:59:50,699 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2017566483] [2021-11-07 00:59:50,700 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2017566483] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 00:59:50,700 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1686283253] [2021-11-07 00:59:50,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:59:50,700 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 00:59:50,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a619f3f5-0af5-48f2-b95e-de0b259c9f5a/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 00:59:50,706 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a619f3f5-0af5-48f2-b95e-de0b259c9f5a/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 00:59:50,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a619f3f5-0af5-48f2-b95e-de0b259c9f5a/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2021-11-07 00:59:54,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:59:54,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 4091 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 00:59:54,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:59:54,774 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-07 00:59:54,775 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:59:55,123 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-07 00:59:55,124 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1686283253] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:59:55,124 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-11-07 00:59:55,124 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5, 5] total 9 [2021-11-07 00:59:55,125 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185852921] [2021-11-07 00:59:55,126 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 00:59:55,126 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:59:55,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 00:59:55,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-11-07 00:59:55,127 INFO L87 Difference]: Start difference. First operand 22913 states and 28184 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:59:58,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:59:58,050 INFO L93 Difference]: Finished difference Result 59368 states and 73206 transitions. [2021-11-07 00:59:58,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 00:59:58,052 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2021-11-07 00:59:58,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:59:58,198 INFO L225 Difference]: With dead ends: 59368 [2021-11-07 00:59:58,199 INFO L226 Difference]: Without dead ends: 36535 [2021-11-07 00:59:58,453 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 364 GetRequests, 357 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-11-07 00:59:58,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36535 states. [2021-11-07 00:59:59,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36535 to 36518. [2021-11-07 00:59:59,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36518 states, 36499 states have (on average 1.2352667196361544) internal successors, (45086), 36510 states have internal predecessors, (45086), 4 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (8), 7 states have call predecessors, (8), 4 states have call successors, (8) [2021-11-07 01:00:00,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36518 states to 36518 states and 45098 transitions. [2021-11-07 01:00:00,123 INFO L78 Accepts]: Start accepts. Automaton has 36518 states and 45098 transitions. Word has length 92 [2021-11-07 01:00:00,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:00:00,127 INFO L470 AbstractCegarLoop]: Abstraction has 36518 states and 45098 transitions. [2021-11-07 01:00:00,128 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:00:00,128 INFO L276 IsEmpty]: Start isEmpty. Operand 36518 states and 45098 transitions. [2021-11-07 01:00:00,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-07 01:00:00,145 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:00:00,145 INFO L513 BasicCegarLoop]: trace histogram [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] [2021-11-07 01:00:00,326 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a619f3f5-0af5-48f2-b95e-de0b259c9f5a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 01:00:00,403 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a619f3f5-0af5-48f2-b95e-de0b259c9f5a/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2021-11-07 01:00:00,562 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a619f3f5-0af5-48f2-b95e-de0b259c9f5a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a619f3f5-0af5-48f2-b95e-de0b259c9f5a/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt [2021-11-07 01:00:00,563 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2021-11-07 01:00:00,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:00:00,564 INFO L85 PathProgramCache]: Analyzing trace with hash -492452874, now seen corresponding path program 1 times [2021-11-07 01:00:00,575 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:00:00,576 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [585508664] [2021-11-07 01:00:00,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:00:00,576 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:00:00,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a619f3f5-0af5-48f2-b95e-de0b259c9f5a/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:00:00,578 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a619f3f5-0af5-48f2-b95e-de0b259c9f5a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:00:00,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a619f3f5-0af5-48f2-b95e-de0b259c9f5a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 01:00:15,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:00:15,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 4227 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 01:00:15,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:00:16,669 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-07 01:00:16,669 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:00:17,762 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-07 01:00:17,762 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:00:17,763 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [585508664] [2021-11-07 01:00:17,763 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [585508664] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:00:17,763 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [750755039] [2021-11-07 01:00:17,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:00:17,764 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 01:00:17,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a619f3f5-0af5-48f2-b95e-de0b259c9f5a/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 01:00:17,782 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a619f3f5-0af5-48f2-b95e-de0b259c9f5a/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 01:00:17,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a619f3f5-0af5-48f2-b95e-de0b259c9f5a/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2021-11-07 01:00:21,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:00:21,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 4227 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:00:21,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:00:23,639 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-07 01:00:23,639 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:00:25,253 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-07 01:00:25,253 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [750755039] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:00:25,256 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-11-07 01:00:25,256 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5, 5] total 10 [2021-11-07 01:00:25,257 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516033964] [2021-11-07 01:00:25,258 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:00:25,258 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:00:25,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:00:25,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-07 01:00:25,260 INFO L87 Difference]: Start difference. First operand 36518 states and 45098 transitions. Second operand has 4 states, 4 states have (on average 26.75) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:00:31,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:00:31,961 INFO L93 Difference]: Finished difference Result 163310 states and 201871 transitions. [2021-11-07 01:00:31,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:00:31,963 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.75) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2021-11-07 01:00:31,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:00:32,699 INFO L225 Difference]: With dead ends: 163310 [2021-11-07 01:00:32,700 INFO L226 Difference]: Without dead ends: 126872 [2021-11-07 01:00:32,827 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 441 GetRequests, 432 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-11-07 01:00:33,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126872 states. [2021-11-07 01:00:37,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126872 to 71356. [2021-11-07 01:00:37,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71356 states, 71329 states have (on average 1.2326963787519802) internal successors, (87927), 71341 states have internal predecessors, (87927), 8 states have call successors, (8), 4 states have call predecessors, (8), 8 states have return successors, (24), 14 states have call predecessors, (24), 8 states have call successors, (24) [2021-11-07 01:00:37,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71356 states to 71356 states and 87959 transitions. [2021-11-07 01:00:37,739 INFO L78 Accepts]: Start accepts. Automaton has 71356 states and 87959 transitions. Word has length 111 [2021-11-07 01:00:37,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:00:37,740 INFO L470 AbstractCegarLoop]: Abstraction has 71356 states and 87959 transitions. [2021-11-07 01:00:37,740 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.75) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:00:37,740 INFO L276 IsEmpty]: Start isEmpty. Operand 71356 states and 87959 transitions. [2021-11-07 01:00:37,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-07 01:00:37,749 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:00:37,750 INFO L513 BasicCegarLoop]: trace histogram [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] [2021-11-07 01:00:37,941 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a619f3f5-0af5-48f2-b95e-de0b259c9f5a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-07 01:00:38,008 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a619f3f5-0af5-48f2-b95e-de0b259c9f5a/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2021-11-07 01:00:38,166 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a619f3f5-0af5-48f2-b95e-de0b259c9f5a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a619f3f5-0af5-48f2-b95e-de0b259c9f5a/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt [2021-11-07 01:00:38,166 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2021-11-07 01:00:38,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:00:38,167 INFO L85 PathProgramCache]: Analyzing trace with hash -396948564, now seen corresponding path program 1 times [2021-11-07 01:00:38,183 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:00:38,183 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1458886783] [2021-11-07 01:00:38,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:00:38,184 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:00:38,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a619f3f5-0af5-48f2-b95e-de0b259c9f5a/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:00:38,185 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a619f3f5-0af5-48f2-b95e-de0b259c9f5a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:00:38,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a619f3f5-0af5-48f2-b95e-de0b259c9f5a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-07 01:00:51,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:00:52,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 4228 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 01:00:52,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:00:53,409 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-07 01:00:53,409 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:00:54,547 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-07 01:00:54,548 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:00:54,548 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1458886783] [2021-11-07 01:00:54,548 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1458886783] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:00:54,548 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1007260353] [2021-11-07 01:00:54,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:00:54,549 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 01:00:54,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a619f3f5-0af5-48f2-b95e-de0b259c9f5a/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 01:00:54,553 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a619f3f5-0af5-48f2-b95e-de0b259c9f5a/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 01:00:54,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a619f3f5-0af5-48f2-b95e-de0b259c9f5a/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2021-11-07 01:00:58,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:00:58,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 4228 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:00:58,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:01:00,272 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-07 01:01:00,272 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:01:01,888 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-07 01:01:01,889 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1007260353] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:01:01,889 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-11-07 01:01:01,890 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5, 5] total 10 [2021-11-07 01:01:01,890 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637004914] [2021-11-07 01:01:01,891 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:01:01,891 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:01:01,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:01:01,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-07 01:01:01,892 INFO L87 Difference]: Start difference. First operand 71356 states and 87959 transitions. Second operand has 4 states, 4 states have (on average 27.0) internal successors, (108), 3 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:01:12,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:01:12,301 INFO L93 Difference]: Finished difference Result 322080 states and 397736 transitions. [2021-11-07 01:01:12,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:01:12,303 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 3 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2021-11-07 01:01:12,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:01:13,595 INFO L225 Difference]: With dead ends: 322080 [2021-11-07 01:01:13,597 INFO L226 Difference]: Without dead ends: 250804 [2021-11-07 01:01:13,863 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 445 GetRequests, 436 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-11-07 01:01:14,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250804 states. [2021-11-07 01:01:21,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250804 to 142216. [2021-11-07 01:01:21,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142216 states, 142173 states have (on average 1.2323647950032706) internal successors, (175209), 142187 states have internal predecessors, (175209), 16 states have call successors, (16), 8 states have call predecessors, (16), 16 states have return successors, (72), 28 states have call predecessors, (72), 16 states have call successors, (72) [2021-11-07 01:01:22,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142216 states to 142216 states and 175297 transitions. [2021-11-07 01:01:22,470 INFO L78 Accepts]: Start accepts. Automaton has 142216 states and 175297 transitions. Word has length 112 [2021-11-07 01:01:22,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:01:22,470 INFO L470 AbstractCegarLoop]: Abstraction has 142216 states and 175297 transitions. [2021-11-07 01:01:22,471 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 3 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:01:22,471 INFO L276 IsEmpty]: Start isEmpty. Operand 142216 states and 175297 transitions. [2021-11-07 01:01:22,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-07 01:01:22,482 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:01:22,482 INFO L513 BasicCegarLoop]: trace histogram [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] [2021-11-07 01:01:22,633 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a619f3f5-0af5-48f2-b95e-de0b259c9f5a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Ended with exit code 0 [2021-11-07 01:01:22,725 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a619f3f5-0af5-48f2-b95e-de0b259c9f5a/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2021-11-07 01:01:22,895 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a619f3f5-0af5-48f2-b95e-de0b259c9f5a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a619f3f5-0af5-48f2-b95e-de0b259c9f5a/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt [2021-11-07 01:01:22,896 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2021-11-07 01:01:22,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:01:22,896 INFO L85 PathProgramCache]: Analyzing trace with hash 731420045, now seen corresponding path program 1 times [2021-11-07 01:01:22,903 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:01:22,904 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [529902418] [2021-11-07 01:01:22,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:01:22,904 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:01:22,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a619f3f5-0af5-48f2-b95e-de0b259c9f5a/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:01:22,918 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a619f3f5-0af5-48f2-b95e-de0b259c9f5a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:01:22,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a619f3f5-0af5-48f2-b95e-de0b259c9f5a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-07 01:01:34,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:01:35,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 4231 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 01:01:35,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:01:36,201 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-07 01:01:36,201 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:01:37,386 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-07 01:01:37,386 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:01:37,386 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [529902418] [2021-11-07 01:01:37,386 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [529902418] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:01:37,386 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [712528588] [2021-11-07 01:01:37,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:01:37,387 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 01:01:37,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a619f3f5-0af5-48f2-b95e-de0b259c9f5a/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 01:01:37,388 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a619f3f5-0af5-48f2-b95e-de0b259c9f5a/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 01:01:37,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a619f3f5-0af5-48f2-b95e-de0b259c9f5a/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2021-11-07 01:01:41,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:01:41,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 4231 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:01:41,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:01:43,586 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-07 01:01:43,587 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:01:45,308 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-07 01:01:45,308 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [712528588] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:01:45,309 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-11-07 01:01:45,309 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5, 5] total 10 [2021-11-07 01:01:45,310 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056992079] [2021-11-07 01:01:45,311 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:01:45,311 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:01:45,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:01:45,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-07 01:01:45,313 INFO L87 Difference]: Start difference. First operand 142216 states and 175297 transitions. Second operand has 4 states, 4 states have (on average 27.25) internal successors, (109), 3 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)