./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-irda-via-ircc.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ab7514-4481-4f65-bd09-d6f564d7810a/bin/uautomizer-tBqnrhUYjU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ab7514-4481-4f65-bd09-d6f564d7810a/bin/uautomizer-tBqnrhUYjU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ab7514-4481-4f65-bd09-d6f564d7810a/bin/uautomizer-tBqnrhUYjU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ab7514-4481-4f65-bd09-d6f564d7810a/bin/uautomizer-tBqnrhUYjU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-irda-via-ircc.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ab7514-4481-4f65-bd09-d6f564d7810a/bin/uautomizer-tBqnrhUYjU/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ab7514-4481-4f65-bd09-d6f564d7810a/bin/uautomizer-tBqnrhUYjU --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 11d3d0800a0e0d53b4d0190c9a443eccbd843952940cf36579a7110b5d32d86b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-02 22:40:46,949 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-02 22:40:46,952 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-02 22:40:47,016 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-02 22:40:47,017 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-02 22:40:47,023 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-02 22:40:47,025 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-02 22:40:47,032 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-02 22:40:47,035 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-02 22:40:47,042 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-02 22:40:47,044 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-02 22:40:47,046 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-02 22:40:47,047 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-02 22:40:47,052 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-02 22:40:47,059 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-02 22:40:47,066 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-02 22:40:47,069 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-02 22:40:47,070 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-02 22:40:47,074 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-02 22:40:47,083 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-02 22:40:47,086 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-02 22:40:47,088 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-02 22:40:47,092 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-02 22:40:47,094 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-02 22:40:47,109 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-02 22:40:47,109 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-02 22:40:47,110 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-02 22:40:47,113 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-02 22:40:47,113 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-02 22:40:47,115 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-02 22:40:47,117 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-02 22:40:47,118 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-02 22:40:47,121 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-02 22:40:47,122 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-02 22:40:47,124 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-02 22:40:47,125 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-02 22:40:47,126 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-02 22:40:47,126 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-02 22:40:47,126 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-02 22:40:47,128 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-02 22:40:47,129 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-02 22:40:47,130 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ab7514-4481-4f65-bd09-d6f564d7810a/bin/uautomizer-tBqnrhUYjU/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-02 22:40:47,174 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-02 22:40:47,175 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-02 22:40:47,175 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-02 22:40:47,175 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-02 22:40:47,177 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-02 22:40:47,177 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-02 22:40:47,178 INFO L138 SettingsManager]: * Use SBE=true [2021-11-02 22:40:47,178 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-02 22:40:47,178 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-02 22:40:47,179 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-02 22:40:47,179 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-02 22:40:47,179 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-02 22:40:47,179 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-02 22:40:47,180 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-02 22:40:47,180 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-02 22:40:47,180 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-02 22:40:47,181 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-02 22:40:47,181 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-02 22:40:47,181 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-02 22:40:47,182 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 22:40:47,182 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-02 22:40:47,182 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-02 22:40:47,183 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-02 22:40:47,183 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-02 22:40:47,183 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-02 22:40:47,184 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-02 22:40:47,184 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-02 22:40:47,184 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-02 22:40:47,184 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-02 22:40:47,185 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_01ab7514-4481-4f65-bd09-d6f564d7810a/bin/uautomizer-tBqnrhUYjU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ab7514-4481-4f65-bd09-d6f564d7810a/bin/uautomizer-tBqnrhUYjU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11d3d0800a0e0d53b4d0190c9a443eccbd843952940cf36579a7110b5d32d86b [2021-11-02 22:40:47,471 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-02 22:40:47,502 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-02 22:40:47,505 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-02 22:40:47,507 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-02 22:40:47,509 INFO L275 PluginConnector]: CDTParser initialized [2021-11-02 22:40:47,510 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ab7514-4481-4f65-bd09-d6f564d7810a/bin/uautomizer-tBqnrhUYjU/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-irda-via-ircc.cil.i [2021-11-02 22:40:47,583 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ab7514-4481-4f65-bd09-d6f564d7810a/bin/uautomizer-tBqnrhUYjU/data/53b6d1f8c/4181ea87f56c4c648f407b863b9fb28c/FLAG1b1b183ed [2021-11-02 22:40:48,806 INFO L306 CDTParser]: Found 1 translation units. [2021-11-02 22:40:48,807 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ab7514-4481-4f65-bd09-d6f564d7810a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-irda-via-ircc.cil.i [2021-11-02 22:40:48,876 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ab7514-4481-4f65-bd09-d6f564d7810a/bin/uautomizer-tBqnrhUYjU/data/53b6d1f8c/4181ea87f56c4c648f407b863b9fb28c/FLAG1b1b183ed [2021-11-02 22:40:49,010 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ab7514-4481-4f65-bd09-d6f564d7810a/bin/uautomizer-tBqnrhUYjU/data/53b6d1f8c/4181ea87f56c4c648f407b863b9fb28c [2021-11-02 22:40:49,014 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-02 22:40:49,018 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-02 22:40:49,022 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-02 22:40:49,022 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-02 22:40:49,026 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-02 22:40:49,027 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:40:49" (1/1) ... [2021-11-02 22:40:49,029 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cc7f36c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:40:49, skipping insertion in model container [2021-11-02 22:40:49,029 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:40:49" (1/1) ... [2021-11-02 22:40:49,037 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-02 22:40:49,278 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-02 22:40:52,988 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ab7514-4481-4f65-bd09-d6f564d7810a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-irda-via-ircc.cil.i[323389,323402] [2021-11-02 22:40:52,998 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ab7514-4481-4f65-bd09-d6f564d7810a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-irda-via-ircc.cil.i[323534,323547] [2021-11-02 22:40:53,064 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 22:40:53,119 INFO L203 MainTranslator]: Completed pre-run [2021-11-02 22:40:53,676 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_01ab7514-4481-4f65-bd09-d6f564d7810a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-irda-via-ircc.cil.i[323389,323402] [2021-11-02 22:40:53,678 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ab7514-4481-4f65-bd09-d6f564d7810a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-irda-via-ircc.cil.i[323534,323547] [2021-11-02 22:40:53,684 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 22:40:53,943 INFO L208 MainTranslator]: Completed translation [2021-11-02 22:40:53,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:40:53 WrapperNode [2021-11-02 22:40:53,944 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-02 22:40:53,945 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-02 22:40:53,946 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-02 22:40:53,946 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-02 22:40:53,956 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:40:53" (1/1) ... [2021-11-02 22:40:54,108 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:40:53" (1/1) ... [2021-11-02 22:41:38,411 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-02 22:41:38,412 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-02 22:41:38,412 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-02 22:41:38,412 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-02 22:41:38,420 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:40:53" (1/1) ... [2021-11-02 22:41:38,421 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:40:53" (1/1) ... [2021-11-02 22:41:41,709 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:40:53" (1/1) ... [2021-11-02 22:41:41,724 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:40:53" (1/1) ... [2021-11-02 22:41:45,618 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:40:53" (1/1) ... [2021-11-02 22:41:46,503 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:40:53" (1/1) ... [2021-11-02 22:41:47,463 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:40:53" (1/1) ... [2021-11-02 22:41:50,480 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-02 22:41:50,483 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-02 22:41:50,484 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-02 22:41:50,484 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-02 22:41:50,486 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:40:53" (1/1) ... [2021-11-02 22:41:50,497 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 22:41:50,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ab7514-4481-4f65-bd09-d6f564d7810a/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:41:50,539 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ab7514-4481-4f65-bd09-d6f564d7810a/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-02 22:41:50,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ab7514-4481-4f65-bd09-d6f564d7810a/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-02 22:41:50,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-02 22:41:50,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-02 22:41:50,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-02 22:41:50,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-02 22:41:50,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-02 22:41:50,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-02 22:41:50,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-02 22:41:50,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-02 22:41:50,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-02 22:41:50,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-02 22:41:50,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-02 22:41:50,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-02 22:41:50,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-02 22:41:50,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-02 22:41:50,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-02 22:51:00,639 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_entry_EMGentry_10_returnLabel: main_#res := 0; [2021-11-02 22:51:00,641 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L9510: #t~ret1231 := main_#res; [2021-11-02 22:51:00,642 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-02 22:51:00,668 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_pci_pci_instance_2_switch_break: call ULTIMATE.dealloc(ldv_pci_pci_instance_2_~#ldv_2_resource_pm_message~0.base, ldv_pci_pci_instance_2_~#ldv_2_resource_pm_message~0.offset);havoc ldv_pci_pci_instance_2_~#ldv_2_resource_pm_message~0.base, ldv_pci_pci_instance_2_~#ldv_2_resource_pm_message~0.offset; [2021-11-02 22:51:00,866 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-02 22:51:00,867 INFO L299 CfgBuilder]: Removed 81161 assume(true) statements. [2021-11-02 22:51:00,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:51:00 BoogieIcfgContainer [2021-11-02 22:51:00,919 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-02 22:51:00,923 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-02 22:51:00,923 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-02 22:51:00,926 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-02 22:51:00,927 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 10:40:49" (1/3) ... [2021-11-02 22:51:00,928 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d189d8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 10:51:00, skipping insertion in model container [2021-11-02 22:51:00,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:40:53" (2/3) ... [2021-11-02 22:51:00,928 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d189d8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 10:51:00, skipping insertion in model container [2021-11-02 22:51:00,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:51:00" (3/3) ... [2021-11-02 22:51:00,930 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-alloc-spinlock_drivers-net-irda-via-ircc.cil.i [2021-11-02 22:51:00,940 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-02 22:51:00,940 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 20 error locations. [2021-11-02 22:51:01,416 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-02 22:51:01,421 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=PETRI_NET, 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 [2021-11-02 22:51:01,422 INFO L340 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2021-11-02 22:51:02,172 INFO L276 IsEmpty]: Start isEmpty. Operand has 62011 states, 61991 states have (on average 1.370844154796664) internal successors, (84980), 62010 states have internal predecessors, (84980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:51:02,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-02 22:51:02,208 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:51:02,209 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:51:02,209 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 17 more)] === [2021-11-02 22:51:02,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:51:02,217 INFO L85 PathProgramCache]: Analyzing trace with hash -1485338102, now seen corresponding path program 1 times [2021-11-02 22:51:02,225 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:51:02,225 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487091412] [2021-11-02 22:51:02,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:51:02,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:51:02,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:51:03,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:51:03,269 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:51:03,270 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487091412] [2021-11-02 22:51:03,270 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487091412] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:51:03,270 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:51:03,271 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:51:03,274 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129286189] [2021-11-02 22:51:03,280 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 22:51:03,280 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:51:03,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 22:51:03,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:51:03,384 INFO L87 Difference]: Start difference. First operand has 62011 states, 61991 states have (on average 1.370844154796664) internal successors, (84980), 62010 states have internal predecessors, (84980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:51:11,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:51:11,293 INFO L93 Difference]: Finished difference Result 185901 states and 254740 transitions. [2021-11-02 22:51:11,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:51:11,296 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2021-11-02 22:51:11,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:51:11,805 INFO L225 Difference]: With dead ends: 185901 [2021-11-02 22:51:11,806 INFO L226 Difference]: Without dead ends: 123568 [2021-11-02 22:51:11,991 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:51:12,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123568 states. [2021-11-02 22:51:16,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123568 to 123528. [2021-11-02 22:51:16,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123528 states, 123508 states have (on average 1.3675308482041648) internal successors, (168901), 123527 states have internal predecessors, (168901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:51:17,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123528 states to 123528 states and 168901 transitions. [2021-11-02 22:51:17,113 INFO L78 Accepts]: Start accepts. Automaton has 123528 states and 168901 transitions. Word has length 109 [2021-11-02 22:51:17,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:51:17,114 INFO L470 AbstractCegarLoop]: Abstraction has 123528 states and 168901 transitions. [2021-11-02 22:51:17,115 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:51:17,115 INFO L276 IsEmpty]: Start isEmpty. Operand 123528 states and 168901 transitions. [2021-11-02 22:51:17,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-02 22:51:17,124 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:51:17,125 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:51:17,125 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-02 22:51:17,125 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 17 more)] === [2021-11-02 22:51:17,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:51:17,126 INFO L85 PathProgramCache]: Analyzing trace with hash -1067941496, now seen corresponding path program 1 times [2021-11-02 22:51:17,126 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:51:17,127 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022140744] [2021-11-02 22:51:17,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:51:17,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:51:17,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:51:17,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:51:17,608 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:51:17,609 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022140744] [2021-11-02 22:51:17,609 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022140744] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:51:17,609 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:51:17,609 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-02 22:51:17,609 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039803820] [2021-11-02 22:51:17,611 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 22:51:17,611 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:51:17,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 22:51:17,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:51:17,612 INFO L87 Difference]: Start difference. First operand 123528 states and 168901 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 2 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)