./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--ethernet--dec--tulip--de4x5.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57247ce-ab9e-4822-b84a-3bcfe76d1d20/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57247ce-ab9e-4822-b84a-3bcfe76d1d20/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57247ce-ab9e-4822-b84a-3bcfe76d1d20/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57247ce-ab9e-4822-b84a-3bcfe76d1d20/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--de4x5.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57247ce-ab9e-4822-b84a-3bcfe76d1d20/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57247ce-ab9e-4822-b84a-3bcfe76d1d20/bin/utaipan-aC7eJsxGYH --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7a2974a33527a9392dca8d355734fee3e0faaae6e14749128119c28fd0f37e8f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 03:48:38,309 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 03:48:38,313 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 03:48:38,392 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 03:48:38,393 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 03:48:38,400 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 03:48:38,402 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 03:48:38,407 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 03:48:38,411 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 03:48:38,420 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 03:48:38,422 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 03:48:38,424 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 03:48:38,425 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 03:48:38,428 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 03:48:38,431 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 03:48:38,438 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 03:48:38,439 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 03:48:38,443 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 03:48:38,448 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 03:48:38,453 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 03:48:38,459 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 03:48:38,461 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 03:48:38,465 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 03:48:38,466 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 03:48:38,474 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 03:48:38,475 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 03:48:38,475 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 03:48:38,478 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 03:48:38,479 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 03:48:38,481 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 03:48:38,481 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 03:48:38,482 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 03:48:38,484 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 03:48:38,486 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 03:48:38,488 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 03:48:38,488 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 03:48:38,489 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 03:48:38,489 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 03:48:38,490 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 03:48:38,491 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 03:48:38,492 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 03:48:38,493 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57247ce-ab9e-4822-b84a-3bcfe76d1d20/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-03 03:48:38,549 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 03:48:38,549 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 03:48:38,551 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 03:48:38,551 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 03:48:38,552 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 03:48:38,552 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 03:48:38,552 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 03:48:38,552 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 03:48:38,553 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 03:48:38,553 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 03:48:38,555 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 03:48:38,555 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 03:48:38,555 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 03:48:38,556 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 03:48:38,556 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 03:48:38,557 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 03:48:38,557 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 03:48:38,557 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 03:48:38,558 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 03:48:38,558 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 03:48:38,558 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 03:48:38,558 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 03:48:38,559 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 03:48:38,559 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 03:48:38,559 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 03:48:38,560 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 03:48:38,560 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 03:48:38,560 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 03:48:38,561 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 03:48:38,561 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 03:48:38,561 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 03:48:38,562 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 03:48:38,562 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 03:48:38,562 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 03:48:38,563 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 03:48:38,563 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 03:48:38,563 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_c57247ce-ab9e-4822-b84a-3bcfe76d1d20/bin/utaipan-aC7eJsxGYH/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57247ce-ab9e-4822-b84a-3bcfe76d1d20/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a2974a33527a9392dca8d355734fee3e0faaae6e14749128119c28fd0f37e8f [2021-11-03 03:48:38,931 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 03:48:38,974 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 03:48:38,977 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 03:48:38,979 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 03:48:38,980 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 03:48:38,981 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57247ce-ab9e-4822-b84a-3bcfe76d1d20/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--de4x5.ko-entry_point.cil.out.i [2021-11-03 03:48:39,093 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57247ce-ab9e-4822-b84a-3bcfe76d1d20/bin/utaipan-aC7eJsxGYH/data/1656a81a6/a880742bdfec4ecc953927d0b7f5e95c/FLAG70c93de4a [2021-11-03 03:48:40,512 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 03:48:40,514 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57247ce-ab9e-4822-b84a-3bcfe76d1d20/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--de4x5.ko-entry_point.cil.out.i [2021-11-03 03:48:40,619 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57247ce-ab9e-4822-b84a-3bcfe76d1d20/bin/utaipan-aC7eJsxGYH/data/1656a81a6/a880742bdfec4ecc953927d0b7f5e95c/FLAG70c93de4a [2021-11-03 03:48:40,993 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57247ce-ab9e-4822-b84a-3bcfe76d1d20/bin/utaipan-aC7eJsxGYH/data/1656a81a6/a880742bdfec4ecc953927d0b7f5e95c [2021-11-03 03:48:41,014 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 03:48:41,015 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 03:48:41,017 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 03:48:41,017 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 03:48:41,020 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 03:48:41,021 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:48:41" (1/1) ... [2021-11-03 03:48:41,022 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a42aafc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:48:41, skipping insertion in model container [2021-11-03 03:48:41,022 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:48:41" (1/1) ... [2021-11-03 03:48:41,031 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 03:48:41,213 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 03:48:43,711 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:43,720 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:43,760 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:43,768 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:43,769 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:43,770 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:43,778 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:43,779 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:43,779 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:43,780 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:44,609 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:44,649 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:44,674 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:44,689 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:44,703 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:44,717 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:44,717 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:44,728 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:44,753 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:44,763 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:44,766 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:44,771 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:44,776 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:44,781 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:44,783 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:44,795 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:44,801 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:44,817 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:44,836 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:44,871 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:44,888 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:44,893 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:44,896 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:44,912 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:44,916 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:44,921 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:44,960 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:45,050 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:45,110 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:45,113 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:45,124 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:45,126 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:45,133 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:45,148 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:45,155 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:45,159 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:45,163 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:45,169 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:45,176 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:45,179 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:45,183 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:45,196 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:45,200 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:45,202 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:45,203 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:45,207 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:45,209 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:45,217 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:45,221 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:45,222 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:45,223 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:45,224 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:45,228 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:45,231 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:45,252 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:45,258 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:45,273 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:45,275 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:45,287 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:45,291 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:45,300 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:45,301 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:45,306 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:45,312 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:45,318 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:45,334 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:45,340 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:45,363 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:45,386 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:45,403 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:45,412 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:45,419 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:45,429 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:45,448 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:45,453 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:45,455 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:45,461 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:45,463 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:45,465 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:45,473 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:45,487 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:45,493 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:45,499 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:45,509 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:45,575 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:45,582 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:45,592 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:45,592 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:45,593 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:45,601 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:45,602 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:45,603 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:45,603 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:45,604 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:45,605 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:48:45,616 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57247ce-ab9e-4822-b84a-3bcfe76d1d20/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--de4x5.ko-entry_point.cil.out.i[386204,386217] [2021-11-03 03:48:45,744 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 03:48:45,789 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-03 03:48:45,789 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@51a6bb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:48:45, skipping insertion in model container [2021-11-03 03:48:45,790 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 03:48:45,790 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-03 03:48:45,793 INFO L168 Benchmark]: Toolchain (without parser) took 4775.74 ms. Allocated memory was 119.5 MB in the beginning and 169.9 MB in the end (delta: 50.3 MB). Free memory was 84.1 MB in the beginning and 68.3 MB in the end (delta: 15.7 MB). Peak memory consumption was 66.7 MB. Max. memory is 16.1 GB. [2021-11-03 03:48:45,794 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 119.5 MB. Free memory is still 96.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 03:48:45,795 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4773.22 ms. Allocated memory was 119.5 MB in the beginning and 169.9 MB in the end (delta: 50.3 MB). Free memory was 84.1 MB in the beginning and 68.3 MB in the end (delta: 15.7 MB). Peak memory consumption was 66.7 MB. Max. memory is 16.1 GB. [2021-11-03 03:48:45,797 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 119.5 MB. Free memory is still 96.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4773.22 ms. Allocated memory was 119.5 MB in the beginning and 169.9 MB in the end (delta: 50.3 MB). Free memory was 84.1 MB in the beginning and 68.3 MB in the end (delta: 15.7 MB). Peak memory consumption was 66.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6265]: 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_c57247ce-ab9e-4822-b84a-3bcfe76d1d20/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57247ce-ab9e-4822-b84a-3bcfe76d1d20/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57247ce-ab9e-4822-b84a-3bcfe76d1d20/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57247ce-ab9e-4822-b84a-3bcfe76d1d20/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--de4x5.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57247ce-ab9e-4822-b84a-3bcfe76d1d20/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57247ce-ab9e-4822-b84a-3bcfe76d1d20/bin/utaipan-aC7eJsxGYH --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7a2974a33527a9392dca8d355734fee3e0faaae6e14749128119c28fd0f37e8f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 03:48:48,737 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 03:48:48,740 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 03:48:48,792 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 03:48:48,793 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 03:48:48,798 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 03:48:48,800 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 03:48:48,806 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 03:48:48,810 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 03:48:48,820 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 03:48:48,822 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 03:48:48,825 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 03:48:48,826 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 03:48:48,829 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 03:48:48,832 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 03:48:48,838 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 03:48:48,840 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 03:48:48,842 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 03:48:48,845 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 03:48:48,857 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 03:48:48,860 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 03:48:48,862 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 03:48:48,866 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 03:48:48,868 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 03:48:48,880 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 03:48:48,880 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 03:48:48,881 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 03:48:48,883 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 03:48:48,884 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 03:48:48,886 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 03:48:48,887 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 03:48:48,888 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 03:48:48,891 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 03:48:48,892 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 03:48:48,894 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 03:48:48,894 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 03:48:48,895 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 03:48:48,904 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 03:48:48,904 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 03:48:48,907 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 03:48:48,908 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 03:48:48,909 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57247ce-ab9e-4822-b84a-3bcfe76d1d20/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-03 03:48:48,973 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 03:48:48,974 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 03:48:48,976 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 03:48:48,976 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 03:48:48,976 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 03:48:48,977 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 03:48:48,977 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 03:48:48,977 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 03:48:48,978 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 03:48:48,980 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 03:48:48,982 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 03:48:48,982 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 03:48:48,982 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 03:48:48,983 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 03:48:48,983 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 03:48:48,983 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-03 03:48:48,983 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-03 03:48:48,984 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 03:48:48,984 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 03:48:48,984 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 03:48:48,985 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 03:48:48,985 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-03 03:48:48,985 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 03:48:48,986 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 03:48:48,986 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 03:48:48,986 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 03:48:48,987 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 03:48:48,987 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-03 03:48:48,987 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-03 03:48:48,988 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 03:48:48,988 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 03:48:48,988 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 03:48:48,989 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_c57247ce-ab9e-4822-b84a-3bcfe76d1d20/bin/utaipan-aC7eJsxGYH/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57247ce-ab9e-4822-b84a-3bcfe76d1d20/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a2974a33527a9392dca8d355734fee3e0faaae6e14749128119c28fd0f37e8f [2021-11-03 03:48:49,429 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 03:48:49,468 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 03:48:49,473 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 03:48:49,474 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 03:48:49,475 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 03:48:49,476 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57247ce-ab9e-4822-b84a-3bcfe76d1d20/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--de4x5.ko-entry_point.cil.out.i [2021-11-03 03:48:49,567 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57247ce-ab9e-4822-b84a-3bcfe76d1d20/bin/utaipan-aC7eJsxGYH/data/2ec0fbefa/bcc0a471e1614c2a97c00dc2942192d6/FLAG8adaa5028 [2021-11-03 03:48:51,073 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 03:48:51,074 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57247ce-ab9e-4822-b84a-3bcfe76d1d20/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--de4x5.ko-entry_point.cil.out.i [2021-11-03 03:48:51,174 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57247ce-ab9e-4822-b84a-3bcfe76d1d20/bin/utaipan-aC7eJsxGYH/data/2ec0fbefa/bcc0a471e1614c2a97c00dc2942192d6/FLAG8adaa5028 [2021-11-03 03:48:51,657 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57247ce-ab9e-4822-b84a-3bcfe76d1d20/bin/utaipan-aC7eJsxGYH/data/2ec0fbefa/bcc0a471e1614c2a97c00dc2942192d6 [2021-11-03 03:48:51,660 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 03:48:51,662 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 03:48:51,664 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 03:48:51,664 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 03:48:51,669 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 03:48:51,670 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:48:51" (1/1) ... [2021-11-03 03:48:51,671 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e076083 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:48:51, skipping insertion in model container [2021-11-03 03:48:51,672 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:48:51" (1/1) ... [2021-11-03 03:48:51,681 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 03:48:51,972 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 03:48:55,803 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57247ce-ab9e-4822-b84a-3bcfe76d1d20/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--de4x5.ko-entry_point.cil.out.i[386204,386217] [2021-11-03 03:48:55,909 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 03:48:55,957 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-03 03:48:56,043 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 03:48:56,676 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57247ce-ab9e-4822-b84a-3bcfe76d1d20/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--de4x5.ko-entry_point.cil.out.i[386204,386217] [2021-11-03 03:48:56,686 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 03:48:56,755 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 03:48:57,381 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57247ce-ab9e-4822-b84a-3bcfe76d1d20/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--de4x5.ko-entry_point.cil.out.i[386204,386217] [2021-11-03 03:48:57,389 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 03:48:57,635 INFO L208 MainTranslator]: Completed translation [2021-11-03 03:48:57,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:48:57 WrapperNode [2021-11-03 03:48:57,636 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 03:48:57,637 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 03:48:57,637 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 03:48:57,637 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 03:48:57,645 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:48:57" (1/1) ... [2021-11-03 03:48:57,813 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:48:57" (1/1) ... [2021-11-03 03:49:00,731 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 03:49:00,733 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 03:49:00,733 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 03:49:00,733 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 03:49:00,744 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:48:57" (1/1) ... [2021-11-03 03:49:00,745 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:48:57" (1/1) ... [2021-11-03 03:49:01,459 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:48:57" (1/1) ... [2021-11-03 03:49:01,461 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:48:57" (1/1) ... [2021-11-03 03:49:03,461 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:48:57" (1/1) ... [2021-11-03 03:49:03,758 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:48:57" (1/1) ... [2021-11-03 03:49:03,879 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:48:57" (1/1) ... [2021-11-03 03:49:04,278 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 03:49:04,281 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 03:49:04,281 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 03:49:04,281 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 03:49:04,286 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:48:57" (1/1) ... [2021-11-03 03:49:04,295 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 03:49:04,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57247ce-ab9e-4822-b84a-3bcfe76d1d20/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 03:49:04,326 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57247ce-ab9e-4822-b84a-3bcfe76d1d20/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 03:49:04,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57247ce-ab9e-4822-b84a-3bcfe76d1d20/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 03:49:04,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-03 03:49:04,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-03 03:49:04,388 INFO L130 BoogieDeclarations]: Found specification of procedure type3_infoblock [2021-11-03 03:49:04,389 INFO L138 BoogieDeclarations]: Found implementation of procedure type3_infoblock [2021-11-03 03:49:04,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-03 03:49:04,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-03 03:49:04,390 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-03 03:49:04,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-03 03:49:04,390 INFO L130 BoogieDeclarations]: Found specification of procedure type4_infoblock [2021-11-03 03:49:04,390 INFO L138 BoogieDeclarations]: Found implementation of procedure type4_infoblock [2021-11-03 03:49:04,391 INFO L130 BoogieDeclarations]: Found specification of procedure type5_infoblock [2021-11-03 03:49:04,391 INFO L138 BoogieDeclarations]: Found implementation of procedure type5_infoblock [2021-11-03 03:49:04,391 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140m_autoconf [2021-11-03 03:49:04,391 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140m_autoconf [2021-11-03 03:49:04,391 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_open [2021-11-03 03:49:04,392 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_open [2021-11-03 03:49:04,392 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_autoconf [2021-11-03 03:49:04,392 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_autoconf [2021-11-03 03:49:04,392 INFO L130 BoogieDeclarations]: Found specification of procedure type2_infoblock [2021-11-03 03:49:04,392 INFO L138 BoogieDeclarations]: Found implementation of procedure type2_infoblock [2021-11-03 03:49:04,393 INFO L130 BoogieDeclarations]: Found specification of procedure type0_infoblock [2021-11-03 03:49:04,393 INFO L138 BoogieDeclarations]: Found implementation of procedure type0_infoblock [2021-11-03 03:49:04,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 03:49:04,393 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-03 03:49:04,393 INFO L130 BoogieDeclarations]: Found specification of procedure autoconf_media [2021-11-03 03:49:04,394 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconf_media [2021-11-03 03:49:04,394 INFO L130 BoogieDeclarations]: Found specification of procedure dc21041_autoconf [2021-11-03 03:49:04,394 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21041_autoconf [2021-11-03 03:49:04,394 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ast [2021-11-03 03:49:04,394 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ast [2021-11-03 03:49:04,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-03 03:49:04,395 INFO L130 BoogieDeclarations]: Found specification of procedure dc21143_infoleaf [2021-11-03 03:49:04,395 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21143_infoleaf [2021-11-03 03:49:04,395 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2021-11-03 03:49:04,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-03 03:49:04,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-03 03:49:04,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-03 03:49:04,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-03 03:49:04,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-03 03:49:04,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-03 03:49:04,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-03 03:49:04,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-03 03:49:04,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-03 03:49:04,398 INFO L130 BoogieDeclarations]: Found specification of procedure type1_infoblock [2021-11-03 03:49:04,398 INFO L138 BoogieDeclarations]: Found implementation of procedure type1_infoblock [2021-11-03 03:49:04,399 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140_infoleaf [2021-11-03 03:49:04,399 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140_infoleaf [2021-11-03 03:49:04,399 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~C_INT [2021-11-03 03:49:04,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~C_INT [2021-11-03 03:49:04,400 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init [2021-11-03 03:49:04,400 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init [2021-11-03 03:49:04,400 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-03 03:49:04,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-03 03:49:04,401 INFO L130 BoogieDeclarations]: Found specification of procedure srom_autoconf [2021-11-03 03:49:04,402 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_autoconf [2021-11-03 03:49:04,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-03 03:49:04,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-03 03:49:04,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-03 03:49:04,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-03 03:49:04,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-03 03:49:04,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-03 03:49:04,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-03 03:49:04,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-03 03:49:04,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-03 03:49:04,405 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_suspect_state [2021-11-03 03:49:04,405 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_suspect_state [2021-11-03 03:49:04,406 INFO L130 BoogieDeclarations]: Found specification of procedure compact_infoblock [2021-11-03 03:49:04,406 INFO L138 BoogieDeclarations]: Found implementation of procedure compact_infoblock [2021-11-03 03:49:04,406 INFO L130 BoogieDeclarations]: Found specification of procedure dc21142_infoleaf [2021-11-03 03:49:04,407 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21142_infoleaf [2021-11-03 03:49:04,407 INFO L130 BoogieDeclarations]: Found specification of procedure dc2114x_autoconf [2021-11-03 03:49:04,407 INFO L138 BoogieDeclarations]: Found implementation of procedure dc2114x_autoconf [2021-11-03 03:49:04,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-03 03:49:04,408 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-11-03 03:49:04,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 03:49:04,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 03:55:30,721 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 03:55:30,722 INFO L299 CfgBuilder]: Removed 22054 assume(true) statements. [2021-11-03 03:55:30,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:55:30 BoogieIcfgContainer [2021-11-03 03:55:30,739 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 03:55:30,741 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 03:55:30,742 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 03:55:30,744 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 03:55:30,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:48:51" (1/3) ... [2021-11-03 03:55:30,745 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2916b01d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:55:30, skipping insertion in model container [2021-11-03 03:55:30,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:48:57" (2/3) ... [2021-11-03 03:55:30,746 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2916b01d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:55:30, skipping insertion in model container [2021-11-03 03:55:30,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:55:30" (3/3) ... [2021-11-03 03:55:30,747 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--de4x5.ko-entry_point.cil.out.i [2021-11-03 03:55:30,753 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 03:55:30,753 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 9 error locations. [2021-11-03 03:55:30,878 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 03:55:30,893 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-03 03:55:30,894 INFO L340 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2021-11-03 03:55:31,151 INFO L276 IsEmpty]: Start isEmpty. Operand has 17763 states, 17650 states have (on average 1.301643059490085) internal successors, (22974), 17659 states have internal predecessors, (22974), 81 states have call successors, (81), 22 states have call predecessors, (81), 22 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2021-11-03 03:55:31,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-03 03:55:31,177 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:55:31,178 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:55:31,180 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting de4x5_openErr0ASSERT_VIOLATIONERROR_FUNCTION === [de4x5_openErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2021-11-03 03:55:31,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:55:31,189 INFO L85 PathProgramCache]: Analyzing trace with hash -115328240, now seen corresponding path program 1 times [2021-11-03 03:55:31,208 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:55:31,209 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [125297715] [2021-11-03 03:55:31,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:55:31,210 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:55:31,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57247ce-ab9e-4822-b84a-3bcfe76d1d20/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:55:31,216 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57247ce-ab9e-4822-b84a-3bcfe76d1d20/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:55:31,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57247ce-ab9e-4822-b84a-3bcfe76d1d20/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-03 03:55:35,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:55:35,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 1725 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-03 03:55:35,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:55:36,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:55:36,043 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:55:36,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:55:36,304 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:55:36,305 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [125297715] [2021-11-03 03:55:36,305 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [125297715] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:55:36,306 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:55:36,306 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-03 03:55:36,308 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923295686] [2021-11-03 03:55:36,314 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-03 03:55:36,315 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:55:36,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-03 03:55:36,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-03 03:55:36,379 INFO L87 Difference]: Start difference. First operand has 17763 states, 17650 states have (on average 1.301643059490085) internal successors, (22974), 17659 states have internal predecessors, (22974), 81 states have call successors, (81), 22 states have call predecessors, (81), 22 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) Second operand has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:55:37,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:55:37,436 INFO L93 Difference]: Finished difference Result 35069 states and 45744 transitions. [2021-11-03 03:55:37,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-03 03:55:37,438 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2021-11-03 03:55:37,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:55:37,634 INFO L225 Difference]: With dead ends: 35069 [2021-11-03 03:55:37,634 INFO L226 Difference]: Without dead ends: 17236 [2021-11-03 03:55:37,845 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-03 03:55:37,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17236 states. [2021-11-03 03:55:38,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17236 to 17236. [2021-11-03 03:55:38,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17236 states, 17124 states have (on average 1.2874328427937398) internal successors, (22046), 17132 states have internal predecessors, (22046), 81 states have call successors, (81), 22 states have call predecessors, (81), 22 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2021-11-03 03:55:39,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17236 states to 17236 states and 22208 transitions. [2021-11-03 03:55:39,522 INFO L78 Accepts]: Start accepts. Automaton has 17236 states and 22208 transitions. Word has length 50 [2021-11-03 03:55:39,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:55:39,524 INFO L470 AbstractCegarLoop]: Abstraction has 17236 states and 22208 transitions. [2021-11-03 03:55:39,525 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:55:39,526 INFO L276 IsEmpty]: Start isEmpty. Operand 17236 states and 22208 transitions. [2021-11-03 03:55:39,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-03 03:55:39,531 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:55:39,531 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:55:39,593 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57247ce-ab9e-4822-b84a-3bcfe76d1d20/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-03 03:55:39,751 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57247ce-ab9e-4822-b84a-3bcfe76d1d20/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:55:39,751 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting de4x5_openErr0ASSERT_VIOLATIONERROR_FUNCTION === [de4x5_openErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2021-11-03 03:55:39,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:55:39,752 INFO L85 PathProgramCache]: Analyzing trace with hash 239784728, now seen corresponding path program 1 times [2021-11-03 03:55:39,760 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:55:39,761 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [430081298] [2021-11-03 03:55:39,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:55:39,762 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:55:39,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57247ce-ab9e-4822-b84a-3bcfe76d1d20/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:55:39,763 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57247ce-ab9e-4822-b84a-3bcfe76d1d20/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:55:39,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57247ce-ab9e-4822-b84a-3bcfe76d1d20/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-03 03:55:44,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:55:44,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 1725 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-03 03:55:44,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:55:44,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:55:44,899 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:55:45,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:55:45,162 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:55:45,162 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [430081298] [2021-11-03 03:55:45,162 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [430081298] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:55:45,162 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:55:45,163 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 03:55:45,163 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639557364] [2021-11-03 03:55:45,165 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 03:55:45,165 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:55:45,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 03:55:45,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 03:55:45,166 INFO L87 Difference]: Start difference. First operand 17236 states and 22208 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:55:48,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:55:48,017 INFO L93 Difference]: Finished difference Result 34474 states and 44439 transitions. [2021-11-03 03:55:48,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 03:55:48,018 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2021-11-03 03:55:48,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:55:48,213 INFO L225 Difference]: With dead ends: 34474 [2021-11-03 03:55:48,213 INFO L226 Difference]: Without dead ends: 17258 [2021-11-03 03:55:48,316 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 03:55:48,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17258 states. [2021-11-03 03:55:48,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17258 to 17258. [2021-11-03 03:55:49,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17258 states, 17146 states have (on average 1.2870640382596523) internal successors, (22068), 17154 states have internal predecessors, (22068), 81 states have call successors, (81), 22 states have call predecessors, (81), 22 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2021-11-03 03:55:49,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17258 states to 17258 states and 22230 transitions. [2021-11-03 03:55:49,115 INFO L78 Accepts]: Start accepts. Automaton has 17258 states and 22230 transitions. Word has length 50 [2021-11-03 03:55:49,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:55:49,116 INFO L470 AbstractCegarLoop]: Abstraction has 17258 states and 22230 transitions. [2021-11-03 03:55:49,116 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:55:49,116 INFO L276 IsEmpty]: Start isEmpty. Operand 17258 states and 22230 transitions. [2021-11-03 03:55:49,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-03 03:55:49,121 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:55:49,122 INFO L513 BasicCegarLoop]: trace histogram [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] [2021-11-03 03:55:49,185 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57247ce-ab9e-4822-b84a-3bcfe76d1d20/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-03 03:55:49,344 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57247ce-ab9e-4822-b84a-3bcfe76d1d20/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:55:49,344 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting de4x5_openErr0ASSERT_VIOLATIONERROR_FUNCTION === [de4x5_openErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2021-11-03 03:55:49,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:55:49,345 INFO L85 PathProgramCache]: Analyzing trace with hash -1338439016, now seen corresponding path program 1 times [2021-11-03 03:55:49,358 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:55:49,359 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1769392939] [2021-11-03 03:55:49,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:55:49,359 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:55:49,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57247ce-ab9e-4822-b84a-3bcfe76d1d20/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:55:49,361 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57247ce-ab9e-4822-b84a-3bcfe76d1d20/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:55:49,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57247ce-ab9e-4822-b84a-3bcfe76d1d20/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-03 03:55:54,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:55:54,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-03 03:55:54,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:55:55,306 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-03 03:55:55,306 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:55:55,830 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-03 03:55:55,830 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:55:55,830 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1769392939] [2021-11-03 03:55:55,830 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1769392939] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 03:55:55,831 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [363575184] [2021-11-03 03:55:55,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:55:55,831 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-03 03:55:55,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57247ce-ab9e-4822-b84a-3bcfe76d1d20/bin/utaipan-aC7eJsxGYH/cvc4 [2021-11-03 03:55:55,849 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57247ce-ab9e-4822-b84a-3bcfe76d1d20/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-03 03:55:55,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57247ce-ab9e-4822-b84a-3bcfe76d1d20/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2021-11-03 03:55:58,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:55:58,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 03:55:58,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:55:59,303 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-03 03:55:59,304 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:55:59,550 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-03 03:55:59,550 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [363575184] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:55:59,550 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-11-03 03:55:59,550 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5, 5] total 9 [2021-11-03 03:55:59,551 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961845221] [2021-11-03 03:55:59,551 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 03:55:59,552 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:55:59,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 03:55:59,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-11-03 03:55:59,553 INFO L87 Difference]: Start difference. First operand 17258 states and 22230 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:56:01,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:56:01,581 INFO L93 Difference]: Finished difference Result 50760 states and 65334 transitions. [2021-11-03 03:56:01,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 03:56:01,583 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2021-11-03 03:56:01,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:56:01,846 INFO L225 Difference]: With dead ends: 50760 [2021-11-03 03:56:01,846 INFO L226 Difference]: Without dead ends: 33531 [2021-11-03 03:56:02,148 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-11-03 03:56:02,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33531 states. [2021-11-03 03:56:03,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33531 to 31590. [2021-11-03 03:56:03,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31590 states, 31376 states have (on average 1.2926440591534931) internal successors, (40558), 31384 states have internal predecessors, (40558), 161 states have call successors, (161), 44 states have call predecessors, (161), 44 states have return successors, (161), 161 states have call predecessors, (161), 161 states have call successors, (161) [2021-11-03 03:56:03,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31590 states to 31590 states and 40880 transitions. [2021-11-03 03:56:03,494 INFO L78 Accepts]: Start accepts. Automaton has 31590 states and 40880 transitions. Word has length 54 [2021-11-03 03:56:03,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:56:03,495 INFO L470 AbstractCegarLoop]: Abstraction has 31590 states and 40880 transitions. [2021-11-03 03:56:03,495 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:56:03,503 INFO L276 IsEmpty]: Start isEmpty. Operand 31590 states and 40880 transitions. [2021-11-03 03:56:03,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-03 03:56:03,508 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:56:03,509 INFO L513 BasicCegarLoop]: trace histogram [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] [2021-11-03 03:56:03,558 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57247ce-ab9e-4822-b84a-3bcfe76d1d20/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2021-11-03 03:56:03,804 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57247ce-ab9e-4822-b84a-3bcfe76d1d20/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-03 03:56:03,936 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57247ce-ab9e-4822-b84a-3bcfe76d1d20/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57247ce-ab9e-4822-b84a-3bcfe76d1d20/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:56:03,937 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [de4x5_openErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2021-11-03 03:56:03,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:56:03,937 INFO L85 PathProgramCache]: Analyzing trace with hash -1284281118, now seen corresponding path program 1 times [2021-11-03 03:56:03,943 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:56:03,943 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1356749281] [2021-11-03 03:56:03,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:56:03,944 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:56:03,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57247ce-ab9e-4822-b84a-3bcfe76d1d20/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:56:03,947 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57247ce-ab9e-4822-b84a-3bcfe76d1d20/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:56:03,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57247ce-ab9e-4822-b84a-3bcfe76d1d20/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-03 03:56:08,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:56:08,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 1771 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-03 03:56:08,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:56:09,225 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-03 03:56:09,226 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:56:09,859 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-03 03:56:09,860 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:56:09,860 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1356749281] [2021-11-03 03:56:09,860 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1356749281] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 03:56:09,860 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1008959903] [2021-11-03 03:56:09,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:56:09,861 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-03 03:56:09,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57247ce-ab9e-4822-b84a-3bcfe76d1d20/bin/utaipan-aC7eJsxGYH/cvc4 [2021-11-03 03:56:09,876 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57247ce-ab9e-4822-b84a-3bcfe76d1d20/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-03 03:56:09,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57247ce-ab9e-4822-b84a-3bcfe76d1d20/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2021-11-03 03:56:13,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:56:13,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 1771 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 03:56:13,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:56:13,680 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-03 03:56:13,680 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:56:14,082 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-03 03:56:14,082 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1008959903] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:56:14,082 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-11-03 03:56:14,082 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5, 5] total 10 [2021-11-03 03:56:14,082 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102240884] [2021-11-03 03:56:14,083 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 03:56:14,083 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:56:14,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 03:56:14,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-03 03:56:14,085 INFO L87 Difference]: Start difference. First operand 31590 states and 40880 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:56:17,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:56:17,452 INFO L93 Difference]: Finished difference Result 107728 states and 140037 transitions. [2021-11-03 03:56:17,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-03 03:56:17,454 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2021-11-03 03:56:17,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:56:18,035 INFO L225 Difference]: With dead ends: 107728 [2021-11-03 03:56:18,035 INFO L226 Difference]: Without dead ends: 76167 [2021-11-03 03:56:18,487 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 244 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-11-03 03:56:18,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76167 states. [2021-11-03 03:56:21,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76167 to 60395. [2021-11-03 03:56:21,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60395 states, 59976 states have (on average 1.2894324396425236) internal successors, (77335), 59984 states have internal predecessors, (77335), 322 states have call successors, (322), 88 states have call predecessors, (322), 88 states have return successors, (612), 322 states have call predecessors, (612), 322 states have call successors, (612) [2021-11-03 03:56:21,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60395 states to 60395 states and 78269 transitions. [2021-11-03 03:56:21,819 INFO L78 Accepts]: Start accepts. Automaton has 60395 states and 78269 transitions. Word has length 64 [2021-11-03 03:56:21,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:56:21,822 INFO L470 AbstractCegarLoop]: Abstraction has 60395 states and 78269 transitions. [2021-11-03 03:56:21,822 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:56:21,822 INFO L276 IsEmpty]: Start isEmpty. Operand 60395 states and 78269 transitions. [2021-11-03 03:56:21,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-03 03:56:21,837 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:56:21,837 INFO L513 BasicCegarLoop]: trace histogram [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] [2021-11-03 03:56:21,908 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57247ce-ab9e-4822-b84a-3bcfe76d1d20/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-03 03:56:22,111 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57247ce-ab9e-4822-b84a-3bcfe76d1d20/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2021-11-03 03:56:22,260 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57247ce-ab9e-4822-b84a-3bcfe76d1d20/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57247ce-ab9e-4822-b84a-3bcfe76d1d20/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt [2021-11-03 03:56:22,261 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [de4x5_openErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2021-11-03 03:56:22,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:56:22,261 INFO L85 PathProgramCache]: Analyzing trace with hash 756789704, now seen corresponding path program 1 times [2021-11-03 03:56:22,271 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:56:22,272 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [481546105] [2021-11-03 03:56:22,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:56:22,272 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:56:22,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57247ce-ab9e-4822-b84a-3bcfe76d1d20/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:56:22,273 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57247ce-ab9e-4822-b84a-3bcfe76d1d20/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:56:22,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57247ce-ab9e-4822-b84a-3bcfe76d1d20/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-03 03:56:27,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:56:27,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 1770 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-03 03:56:27,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:56:27,821 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-03 03:56:27,821 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:56:28,431 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-03 03:56:28,432 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:56:28,432 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [481546105] [2021-11-03 03:56:28,432 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [481546105] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 03:56:28,432 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [873187228] [2021-11-03 03:56:28,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:56:28,433 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-03 03:56:28,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57247ce-ab9e-4822-b84a-3bcfe76d1d20/bin/utaipan-aC7eJsxGYH/cvc4 [2021-11-03 03:56:28,434 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57247ce-ab9e-4822-b84a-3bcfe76d1d20/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-03 03:56:28,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57247ce-ab9e-4822-b84a-3bcfe76d1d20/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2021-11-03 03:56:31,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:56:31,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 1770 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 03:56:31,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:56:32,298 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-03 03:56:32,299 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:56:32,856 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-03 03:56:32,856 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [873187228] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:56:32,856 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-11-03 03:56:32,856 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5, 5] total 10 [2021-11-03 03:56:32,856 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159055738] [2021-11-03 03:56:32,857 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 03:56:32,857 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:56:32,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 03:56:32,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-03 03:56:32,858 INFO L87 Difference]: Start difference. First operand 60395 states and 78269 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:56:38,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:56:38,198 INFO L93 Difference]: Finished difference Result 207809 states and 270910 transitions. [2021-11-03 03:56:38,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-03 03:56:38,200 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2021-11-03 03:56:38,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:56:39,772 INFO L225 Difference]: With dead ends: 207809 [2021-11-03 03:56:39,773 INFO L226 Difference]: Without dead ends: 147443 [2021-11-03 03:56:40,335 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 248 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-11-03 03:56:40,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147443 states.