./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0e18e0-d4d1-4b3e-86b3-f9dc6ad39398/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0e18e0-d4d1-4b3e-86b3-f9dc6ad39398/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0e18e0-d4d1-4b3e-86b3-f9dc6ad39398/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0e18e0-d4d1-4b3e-86b3-f9dc6ad39398/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0e18e0-d4d1-4b3e-86b3-f9dc6ad39398/bin/uautomizer-Dbtcem3rbc/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0e18e0-d4d1-4b3e-86b3-f9dc6ad39398/bin/uautomizer-Dbtcem3rbc --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dcbacb5c6320cc7d732f3f08957667bdf1dc73f77660278f36230fbc0ccef69c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 20:25:22,664 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:25:22,672 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:25:22,733 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:25:22,734 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:25:22,742 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:25:22,745 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:25:22,748 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:25:22,752 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:25:22,759 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:25:22,760 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:25:22,762 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:25:22,763 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:25:22,766 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:25:22,769 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:25:22,771 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:25:22,773 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:25:22,774 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:25:22,776 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:25:22,785 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:25:22,788 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:25:22,789 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:25:22,793 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:25:22,794 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:25:22,804 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:25:22,805 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:25:22,805 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:25:22,807 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:25:22,808 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:25:22,809 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:25:22,811 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:25:22,813 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:25:22,815 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:25:22,817 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:25:22,818 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:25:22,819 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:25:22,820 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:25:22,820 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:25:22,820 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:25:22,821 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:25:22,822 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:25:22,823 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0e18e0-d4d1-4b3e-86b3-f9dc6ad39398/bin/uautomizer-Dbtcem3rbc/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-02 20:25:22,857 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:25:22,857 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:25:22,858 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:25:22,859 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:25:22,860 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:25:22,860 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:25:22,861 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:25:22,861 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:25:22,861 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:25:22,862 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:25:22,863 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 20:25:22,863 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 20:25:22,864 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:25:22,864 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 20:25:22,864 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:25:22,864 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:25:22,865 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:25:22,865 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:25:22,865 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-02 20:25:22,866 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 20:25:22,866 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:25:22,866 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:25:22,866 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:25:22,867 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:25:22,867 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:25:22,867 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:25:22,869 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:25:22,870 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:25:22,870 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:25:22,870 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:25:22,870 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:25:22,871 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:25:22,871 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:25:22,871 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_9a0e18e0-d4d1-4b3e-86b3-f9dc6ad39398/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0e18e0-d4d1-4b3e-86b3-f9dc6ad39398/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dcbacb5c6320cc7d732f3f08957667bdf1dc73f77660278f36230fbc0ccef69c [2022-11-02 20:25:23,220 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:25:23,245 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:25:23,248 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:25:23,249 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:25:23,251 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:25:23,252 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0e18e0-d4d1-4b3e-86b3-f9dc6ad39398/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i [2022-11-02 20:25:23,343 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0e18e0-d4d1-4b3e-86b3-f9dc6ad39398/bin/uautomizer-Dbtcem3rbc/data/f11f37075/7fa1d3bc7d8e4689a25ed0b79d818a32/FLAG3945a74cd [2022-11-02 20:25:24,422 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:25:24,423 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0e18e0-d4d1-4b3e-86b3-f9dc6ad39398/sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i [2022-11-02 20:25:24,495 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0e18e0-d4d1-4b3e-86b3-f9dc6ad39398/bin/uautomizer-Dbtcem3rbc/data/f11f37075/7fa1d3bc7d8e4689a25ed0b79d818a32/FLAG3945a74cd [2022-11-02 20:25:24,739 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0e18e0-d4d1-4b3e-86b3-f9dc6ad39398/bin/uautomizer-Dbtcem3rbc/data/f11f37075/7fa1d3bc7d8e4689a25ed0b79d818a32 [2022-11-02 20:25:24,743 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:25:24,746 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:25:24,751 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:25:24,752 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:25:24,756 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:25:24,757 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:25:24" (1/1) ... [2022-11-02 20:25:24,759 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2060c09e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:25:24, skipping insertion in model container [2022-11-02 20:25:24,759 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:25:24" (1/1) ... [2022-11-02 20:25:24,768 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:25:24,936 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:25:27,024 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0e18e0-d4d1-4b3e-86b3-f9dc6ad39398/sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i[236326,236339] [2022-11-02 20:25:27,558 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:25:27,623 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:25:28,124 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0e18e0-d4d1-4b3e-86b3-f9dc6ad39398/sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i[236326,236339] [2022-11-02 20:25:28,152 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:25:28,290 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:25:28,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:25:28 WrapperNode [2022-11-02 20:25:28,291 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:25:28,293 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:25:28,293 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:25:28,293 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:25:28,303 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:25:28" (1/1) ... [2022-11-02 20:25:28,424 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:25:28" (1/1) ... [2022-11-02 20:25:28,753 INFO L138 Inliner]: procedures = 326, calls = 1240, calls flagged for inlining = 468, calls inlined = 783, statements flattened = 7170 [2022-11-02 20:25:28,753 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:25:28,754 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:25:28,755 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:25:28,755 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:25:28,766 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:25:28" (1/1) ... [2022-11-02 20:25:28,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:25:28" (1/1) ... [2022-11-02 20:25:28,813 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:25:28" (1/1) ... [2022-11-02 20:25:28,813 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:25:28" (1/1) ... [2022-11-02 20:25:29,025 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:25:28" (1/1) ... [2022-11-02 20:25:29,058 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:25:28" (1/1) ... [2022-11-02 20:25:29,110 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:25:28" (1/1) ... [2022-11-02 20:25:29,133 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:25:28" (1/1) ... [2022-11-02 20:25:29,172 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:25:29,173 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:25:29,173 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:25:29,173 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:25:29,175 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:25:28" (1/1) ... [2022-11-02 20:25:29,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:25:29,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0e18e0-d4d1-4b3e-86b3-f9dc6ad39398/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:25:29,217 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0e18e0-d4d1-4b3e-86b3-f9dc6ad39398/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:25:29,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0e18e0-d4d1-4b3e-86b3-f9dc6ad39398/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:25:29,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_random_allocationless_scenario_3 [2022-11-02 20:25:29,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_random_allocationless_scenario_3 [2022-11-02 20:25:29,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_scenario_2 [2022-11-02 20:25:29,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_scenario_2 [2022-11-02 20:25:29,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_insmod_4 [2022-11-02 20:25:29,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_insmod_4 [2022-11-02 20:25:29,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:25:29,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-02 20:25:29,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:25:29,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-02 20:25:29,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 20:25:29,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:25:29,279 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-02 20:25:29,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 20:25:29,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:25:29,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-02 20:25:29,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:25:29,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:25:29,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:25:29,285 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-02 20:25:30,131 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:25:30,135 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:25:38,679 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:25:38,769 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:25:38,769 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-02 20:25:38,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:25:38 BoogieIcfgContainer [2022-11-02 20:25:38,784 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:25:38,791 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:25:38,791 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:25:38,798 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:25:38,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:25:24" (1/3) ... [2022-11-02 20:25:38,800 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a644fc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:25:38, skipping insertion in model container [2022-11-02 20:25:38,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:25:28" (2/3) ... [2022-11-02 20:25:38,800 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a644fc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:25:38, skipping insertion in model container [2022-11-02 20:25:38,801 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:25:38" (3/3) ... [2022-11-02 20:25:38,802 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i [2022-11-02 20:25:38,814 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-02 20:25:38,828 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:25:38,828 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 560 error locations. [2022-11-02 20:25:38,829 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-02 20:25:40,843 INFO L144 ThreadInstanceAdder]: Constructed 13 joinOtherThreadTransitions. [2022-11-02 20:25:41,232 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-02 20:25:41,253 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 12730 places, 13103 transitions, 26270 flow [2022-11-02 20:25:41,259 INFO L112 LiptonReduction]: Starting Lipton reduction on Petri net that has 12730 places, 13103 transitions, 26270 flow [2022-11-02 20:25:41,262 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 12730 places, 13103 transitions, 26270 flow