./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--nsc-ircc.ko.cil.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da649d70-7ba7-482b-9e16-65f733859803/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da649d70-7ba7-482b-9e16-65f733859803/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da649d70-7ba7-482b-9e16-65f733859803/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da649d70-7ba7-482b-9e16-65f733859803/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--nsc-ircc.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da649d70-7ba7-482b-9e16-65f733859803/bin/uautomizer-tPACEb0tL8/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da649d70-7ba7-482b-9e16-65f733859803/bin/uautomizer-tPACEb0tL8 --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 4936125952f00e8b7bd10cd011fdd99ca1fa98c1dbf62cbf7f8d6248efd38f07 --- 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-e04fb08 [2022-11-16 11:26:42,684 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:26:42,687 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:26:42,720 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:26:42,720 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:26:42,722 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:26:42,723 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:26:42,726 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:26:42,728 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:26:42,729 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:26:42,731 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:26:42,732 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:26:42,733 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:26:42,735 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:26:42,736 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:26:42,738 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:26:42,739 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:26:42,741 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:26:42,743 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:26:42,746 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:26:42,749 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:26:42,751 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:26:42,752 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:26:42,754 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:26:42,759 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:26:42,760 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:26:42,760 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:26:42,762 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:26:42,762 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:26:42,764 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:26:42,764 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:26:42,765 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:26:42,767 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:26:42,768 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:26:42,770 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:26:42,770 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:26:42,771 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:26:42,772 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:26:42,772 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:26:42,773 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:26:42,774 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:26:42,775 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da649d70-7ba7-482b-9e16-65f733859803/bin/uautomizer-tPACEb0tL8/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-16 11:26:42,836 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:26:42,837 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:26:42,838 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:26:42,839 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:26:42,841 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:26:42,841 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:26:42,842 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:26:42,843 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:26:42,843 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:26:42,843 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:26:42,845 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:26:42,845 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 11:26:42,846 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:26:42,846 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:26:42,847 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:26:42,847 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:26:42,847 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:26:42,848 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:26:42,848 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-16 11:26:42,848 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:26:42,848 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:26:42,849 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:26:42,849 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:26:42,849 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:26:42,850 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:26:42,850 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:26:42,853 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:26:42,853 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:26:42,854 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:26:42,854 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:26:42,854 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:26:42,854 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:26:42,855 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:26:42,855 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:26:42,856 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:26:42,856 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_da649d70-7ba7-482b-9e16-65f733859803/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da649d70-7ba7-482b-9e16-65f733859803/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4936125952f00e8b7bd10cd011fdd99ca1fa98c1dbf62cbf7f8d6248efd38f07 [2022-11-16 11:26:43,269 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:26:43,315 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:26:43,319 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:26:43,320 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:26:43,322 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:26:43,323 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da649d70-7ba7-482b-9e16-65f733859803/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--nsc-ircc.ko.cil.i [2022-11-16 11:26:43,419 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da649d70-7ba7-482b-9e16-65f733859803/bin/uautomizer-tPACEb0tL8/data/dce1f48d6/7701d3c6bcb345d69bb1cee58f69ef8f/FLAG3d5ffedce [2022-11-16 11:26:44,484 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:26:44,486 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da649d70-7ba7-482b-9e16-65f733859803/sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--nsc-ircc.ko.cil.i [2022-11-16 11:26:44,550 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da649d70-7ba7-482b-9e16-65f733859803/bin/uautomizer-tPACEb0tL8/data/dce1f48d6/7701d3c6bcb345d69bb1cee58f69ef8f/FLAG3d5ffedce [2022-11-16 11:26:44,815 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da649d70-7ba7-482b-9e16-65f733859803/bin/uautomizer-tPACEb0tL8/data/dce1f48d6/7701d3c6bcb345d69bb1cee58f69ef8f [2022-11-16 11:26:44,819 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:26:44,822 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:26:44,825 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:26:44,825 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:26:44,829 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:26:44,830 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:26:44" (1/1) ... [2022-11-16 11:26:44,832 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a6ab15e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:26:44, skipping insertion in model container [2022-11-16 11:26:44,832 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:26:44" (1/1) ... [2022-11-16 11:26:44,842 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:26:45,051 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:26:48,335 WARN L229 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_da649d70-7ba7-482b-9e16-65f733859803/sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--nsc-ircc.ko.cil.i[295890,295903] [2022-11-16 11:26:49,036 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:26:49,097 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:26:49,676 WARN L229 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_da649d70-7ba7-482b-9e16-65f733859803/sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--nsc-ircc.ko.cil.i[295890,295903] [2022-11-16 11:26:49,699 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:26:49,945 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:26:49,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:26:49 WrapperNode [2022-11-16 11:26:49,946 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:26:49,949 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:26:49,949 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:26:49,949 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:26:49,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:26:49" (1/1) ... [2022-11-16 11:26:50,093 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:26:49" (1/1) ... [2022-11-16 11:26:50,713 INFO L138 Inliner]: procedures = 398, calls = 2132, calls flagged for inlining = 747, calls inlined = 2021, statements flattened = 20547 [2022-11-16 11:26:50,714 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:26:50,715 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:26:50,715 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:26:50,715 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:26:50,726 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:26:49" (1/1) ... [2022-11-16 11:26:50,727 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:26:49" (1/1) ... [2022-11-16 11:26:50,857 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:26:49" (1/1) ... [2022-11-16 11:26:50,858 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:26:49" (1/1) ... [2022-11-16 11:26:51,338 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:26:49" (1/1) ... [2022-11-16 11:26:51,443 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:26:49" (1/1) ... [2022-11-16 11:26:51,485 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:26:49" (1/1) ... [2022-11-16 11:26:51,611 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:26:49" (1/1) ... [2022-11-16 11:26:51,762 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:26:51,763 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:26:51,778 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:26:51,779 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:26:51,780 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:26:49" (1/1) ... [2022-11-16 11:26:51,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:26:51,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da649d70-7ba7-482b-9e16-65f733859803/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:26:51,861 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da649d70-7ba7-482b-9e16-65f733859803/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:26:51,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da649d70-7ba7-482b-9e16-65f733859803/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:26:52,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_scenario_2 [2022-11-16 11:26:52,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_scenario_2 [2022-11-16 11:26:52,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_insmod_6 [2022-11-16 11:26:52,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_insmod_6 [2022-11-16 11:26:52,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 11:26:52,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 11:26:52,004 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-16 11:26:52,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 11:26:52,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:26:52,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 11:26:52,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_scenario_5 [2022-11-16 11:26:52,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_scenario_5 [2022-11-16 11:26:52,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_instance_4 [2022-11-16 11:26:52,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_instance_4 [2022-11-16 11:26:52,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:26:52,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:26:52,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_random_allocationless_scenario_3 [2022-11-16 11:26:52,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_random_allocationless_scenario_3 [2022-11-16 11:26:52,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 11:26:52,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-16 11:26:52,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-16 11:26:52,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 11:26:52,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:26:52,020 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-16 11:26:53,162 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:26:53,165 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:27:14,519 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:27:14,662 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:27:14,662 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 11:27:14,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:27:14 BoogieIcfgContainer [2022-11-16 11:27:14,684 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:27:14,687 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:27:14,687 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:27:14,692 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:27:14,693 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:26:44" (1/3) ... [2022-11-16 11:27:14,694 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70108ad8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:27:14, skipping insertion in model container [2022-11-16 11:27:14,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:26:49" (2/3) ... [2022-11-16 11:27:14,695 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70108ad8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:27:14, skipping insertion in model container [2022-11-16 11:27:14,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:27:14" (3/3) ... [2022-11-16 11:27:14,697 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14--drivers--net--irda--nsc-ircc.ko.cil.i [2022-11-16 11:27:14,709 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 11:27:14,723 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:27:14,724 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1348 error locations. [2022-11-16 11:27:14,725 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 11:27:21,549 INFO L144 ThreadInstanceAdder]: Constructed 109 joinOtherThreadTransitions. [2022-11-16 11:27:22,412 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 55456 places, 58031 transitions, 116459 flow