./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--misc--sgi-xp--xpc.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7e70badd Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b2a9394-3e2e-4d2c-a831-4c4b46e2bc30/bin/uautomizer-wIGwrQj20G/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b2a9394-3e2e-4d2c-a831-4c4b46e2bc30/bin/uautomizer-wIGwrQj20G/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b2a9394-3e2e-4d2c-a831-4c4b46e2bc30/bin/uautomizer-wIGwrQj20G/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b2a9394-3e2e-4d2c-a831-4c4b46e2bc30/bin/uautomizer-wIGwrQj20G/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--misc--sgi-xp--xpc.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b2a9394-3e2e-4d2c-a831-4c4b46e2bc30/bin/uautomizer-wIGwrQj20G/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b2a9394-3e2e-4d2c-a831-4c4b46e2bc30/bin/uautomizer-wIGwrQj20G --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 34bfb407ab3285beb6e4618a31251a3cfac86b629af8c3915889881b8af28c9e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-7e70bad [2021-11-23 13:57:31,706 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 13:57:31,709 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 13:57:31,759 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 13:57:31,760 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 13:57:31,762 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 13:57:31,764 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 13:57:31,767 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 13:57:31,770 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 13:57:31,771 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 13:57:31,773 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 13:57:31,778 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 13:57:31,779 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 13:57:31,780 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 13:57:31,783 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 13:57:31,788 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 13:57:31,790 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 13:57:31,794 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 13:57:31,797 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 13:57:31,801 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 13:57:31,807 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 13:57:31,812 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 13:57:31,814 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 13:57:31,816 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 13:57:31,820 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 13:57:31,824 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 13:57:31,825 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 13:57:31,826 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 13:57:31,831 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 13:57:31,832 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 13:57:31,833 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 13:57:31,834 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 13:57:31,836 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 13:57:31,838 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 13:57:31,839 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 13:57:31,840 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 13:57:31,841 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 13:57:31,841 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 13:57:31,842 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 13:57:31,843 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 13:57:31,844 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 13:57:31,844 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b2a9394-3e2e-4d2c-a831-4c4b46e2bc30/bin/uautomizer-wIGwrQj20G/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-23 13:57:31,889 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 13:57:31,889 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 13:57:31,890 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 13:57:31,890 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 13:57:31,898 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 13:57:31,898 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 13:57:31,898 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 13:57:31,899 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 13:57:31,899 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 13:57:31,899 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 13:57:31,899 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 13:57:31,900 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 13:57:31,900 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 13:57:31,900 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 13:57:31,900 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 13:57:31,900 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 13:57:31,901 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 13:57:31,901 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 13:57:31,901 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 13:57:31,901 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 13:57:31,902 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 13:57:31,902 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 13:57:31,902 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 13:57:31,902 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 13:57:31,902 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 13:57:31,903 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-23 13:57:31,903 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-23 13:57:31,903 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 13:57:31,903 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 13:57:31,903 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_1b2a9394-3e2e-4d2c-a831-4c4b46e2bc30/bin/uautomizer-wIGwrQj20G/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b2a9394-3e2e-4d2c-a831-4c4b46e2bc30/bin/uautomizer-wIGwrQj20G Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34bfb407ab3285beb6e4618a31251a3cfac86b629af8c3915889881b8af28c9e [2021-11-23 13:57:32,189 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 13:57:32,211 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 13:57:32,214 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 13:57:32,215 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 13:57:32,216 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 13:57:32,218 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b2a9394-3e2e-4d2c-a831-4c4b46e2bc30/bin/uautomizer-wIGwrQj20G/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--misc--sgi-xp--xpc.ko-entry_point.cil.out.i [2021-11-23 13:57:32,308 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b2a9394-3e2e-4d2c-a831-4c4b46e2bc30/bin/uautomizer-wIGwrQj20G/data/bf143cd33/dee3cca5013c46e694492629e5e6b76d/FLAGf1978655a [2021-11-23 13:57:33,242 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 13:57:33,243 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b2a9394-3e2e-4d2c-a831-4c4b46e2bc30/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--misc--sgi-xp--xpc.ko-entry_point.cil.out.i [2021-11-23 13:57:33,288 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b2a9394-3e2e-4d2c-a831-4c4b46e2bc30/bin/uautomizer-wIGwrQj20G/data/bf143cd33/dee3cca5013c46e694492629e5e6b76d/FLAGf1978655a [2021-11-23 13:57:33,711 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b2a9394-3e2e-4d2c-a831-4c4b46e2bc30/bin/uautomizer-wIGwrQj20G/data/bf143cd33/dee3cca5013c46e694492629e5e6b76d [2021-11-23 13:57:33,721 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 13:57:33,724 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 13:57:33,730 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 13:57:33,730 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 13:57:33,734 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 13:57:33,735 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:57:33" (1/1) ... [2021-11-23 13:57:33,736 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ba273bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:33, skipping insertion in model container [2021-11-23 13:57:33,737 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:57:33" (1/1) ... [2021-11-23 13:57:33,747 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 13:57:33,935 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 13:57:36,582 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_1b2a9394-3e2e-4d2c-a831-4c4b46e2bc30/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--misc--sgi-xp--xpc.ko-entry_point.cil.out.i[342209,342222] [2021-11-23 13:57:36,642 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 13:57:36,768 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 13:57:37,318 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_1b2a9394-3e2e-4d2c-a831-4c4b46e2bc30/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--misc--sgi-xp--xpc.ko-entry_point.cil.out.i[342209,342222] [2021-11-23 13:57:37,332 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 13:57:37,541 INFO L208 MainTranslator]: Completed translation [2021-11-23 13:57:37,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:37 WrapperNode [2021-11-23 13:57:37,542 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 13:57:37,545 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 13:57:37,545 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 13:57:37,546 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 13:57:37,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:37" (1/1) ... [2021-11-23 13:57:37,717 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:37" (1/1) ... [2021-11-23 13:57:38,588 INFO L137 Inliner]: procedures = 334, calls = 3836, calls flagged for inlining = 813, calls inlined = 2882, statements flattened = 29154 [2021-11-23 13:57:38,589 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 13:57:38,590 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 13:57:38,590 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 13:57:38,590 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 13:57:38,607 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:37" (1/1) ... [2021-11-23 13:57:38,621 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:37" (1/1) ... [2021-11-23 13:57:38,911 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:37" (1/1) ... [2021-11-23 13:57:38,917 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:37" (1/1) ... [2021-11-23 13:57:39,647 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:37" (1/1) ... [2021-11-23 13:57:39,734 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:37" (1/1) ... [2021-11-23 13:57:39,811 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:37" (1/1) ... [2021-11-23 13:57:39,961 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 13:57:39,962 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 13:57:39,962 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 13:57:39,962 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 13:57:39,963 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:37" (1/1) ... [2021-11-23 13:57:39,972 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 13:57:39,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b2a9394-3e2e-4d2c-a831-4c4b46e2bc30/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:57:39,999 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b2a9394-3e2e-4d2c-a831-4c4b46e2bc30/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 13:57:40,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b2a9394-3e2e-4d2c-a831-4c4b46e2bc30/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 13:57:40,048 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2021-11-23 13:57:40,048 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_kthread_waitmsgs [2021-11-23 13:57:40,048 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_kthread_waitmsgs [2021-11-23 13:57:40,048 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_opencomplete_uv [2021-11-23 13:57:40,049 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_opencomplete_uv [2021-11-23 13:57:40,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 13:57:40,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 13:57:40,049 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_partition_disengaged [2021-11-23 13:57:40,049 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_partition_disengaged [2021-11-23 13:57:40,050 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-23 13:57:40,050 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_connect [2021-11-23 13:57:40,050 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_connect [2021-11-23 13:57:40,050 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_check_remote_hb [2021-11-23 13:57:40,050 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_check_remote_hb [2021-11-23 13:57:40,050 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_received_payload_uv [2021-11-23 13:57:40,051 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_received_payload_uv [2021-11-23 13:57:40,051 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_kthread_start [2021-11-23 13:57:40,051 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_kthread_start [2021-11-23 13:57:40,051 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_create_kthreads [2021-11-23 13:57:40,051 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_create_kthreads [2021-11-23 13:57:40,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 13:57:40,052 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_indicate_partition_engaged_uv [2021-11-23 13:57:40,052 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_indicate_partition_engaged_uv [2021-11-23 13:57:40,052 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_openclose_chctl_flags [2021-11-23 13:57:40,052 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_openclose_chctl_flags [2021-11-23 13:57:40,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 13:57:40,053 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-11-23 13:57:40,053 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_closereply_uv [2021-11-23 13:57:40,053 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_closereply_uv [2021-11-23 13:57:40,053 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_connect_channel [2021-11-23 13:57:40,053 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_connect_channel [2021-11-23 13:57:40,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 13:57:40,054 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_activating [2021-11-23 13:57:40,054 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_activating [2021-11-23 13:57:40,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 13:57:40,054 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_deactivate_partition [2021-11-23 13:57:40,054 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_deactivate_partition [2021-11-23 13:57:40,055 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_indicate_partition_disengaged_uv [2021-11-23 13:57:40,055 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_indicate_partition_disengaged_uv [2021-11-23 13:57:40,055 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_disconnect_channel [2021-11-23 13:57:40,055 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_disconnect_channel [2021-11-23 13:57:40,055 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_channel_mgr [2021-11-23 13:57:40,055 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_channel_mgr [2021-11-23 13:57:40,056 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_openrequest_uv [2021-11-23 13:57:40,056 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_openrequest_uv [2021-11-23 13:57:40,056 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_setup_ch_structures [2021-11-23 13:57:40,056 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_setup_ch_structures [2021-11-23 13:57:40,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 13:57:40,057 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_rsvd_page_pa [2021-11-23 13:57:40,057 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_rsvd_page_pa [2021-11-23 13:57:40,057 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_activate_IRQ_part_uv [2021-11-23 13:57:40,057 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_activate_IRQ_part_uv [2021-11-23 13:57:40,057 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_initiate_discovery [2021-11-23 13:57:40,058 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_initiate_discovery [2021-11-23 13:57:40,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 13:57:40,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 13:57:40,058 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_closerequest_uv [2021-11-23 13:57:40,058 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_closerequest_uv [2021-11-23 13:57:40,058 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_timeout_partition_disengage [2021-11-23 13:57:40,059 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_timeout_partition_disengage [2021-11-23 13:57:40,059 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_discovery [2021-11-23 13:57:40,059 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_discovery [2021-11-23 13:57:40,059 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_activate_IRQ_ch_uv [2021-11-23 13:57:40,059 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_activate_IRQ_ch_uv [2021-11-23 13:57:40,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 13:57:40,060 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_sent_chctl_flags [2021-11-23 13:57:40,060 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_sent_chctl_flags [2021-11-23 13:57:40,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 13:57:40,060 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_openreply_uv [2021-11-23 13:57:40,061 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_openreply_uv [2021-11-23 13:57:40,061 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_hb_checker [2021-11-23 13:57:40,061 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_hb_checker [2021-11-23 13:57:40,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 13:57:40,061 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_request_partition_deactivation_uv [2021-11-23 13:57:40,062 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_request_partition_deactivation_uv [2021-11-23 13:57:40,062 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_partition_going_down [2021-11-23 13:57:40,062 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_partition_going_down [2021-11-23 13:57:40,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 13:57:40,062 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-23 13:57:40,063 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 13:57:40,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 13:57:40,063 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-23 13:57:40,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-23 13:57:40,063 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_remote_rp [2021-11-23 13:57:40,064 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_remote_rp [2021-11-23 13:57:40,064 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-11-23 13:57:40,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-11-23 13:57:40,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 13:57:40,064 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-23 13:57:40,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-23 13:57:40,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 13:57:40,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 13:57:41,653 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 13:57:41,656 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 13:58:12,752 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 13:58:12,794 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 13:58:12,794 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 13:58:12,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:58:12 BoogieIcfgContainer [2021-11-23 13:58:12,803 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 13:58:12,805 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 13:58:12,805 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 13:58:12,809 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 13:58:12,810 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:57:33" (1/3) ... [2021-11-23 13:58:12,810 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bac6ece and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:58:12, skipping insertion in model container [2021-11-23 13:58:12,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:37" (2/3) ... [2021-11-23 13:58:12,811 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bac6ece and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:58:12, skipping insertion in model container [2021-11-23 13:58:12,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:58:12" (3/3) ... [2021-11-23 13:58:12,813 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--misc--sgi-xp--xpc.ko-entry_point.cil.out.i [2021-11-23 13:58:12,819 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 13:58:12,819 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2021-11-23 13:58:12,893 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 13:58:12,900 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 [2021-11-23 13:58:12,900 INFO L340 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2021-11-23 13:58:13,003 INFO L276 IsEmpty]: Start isEmpty. Operand has 6041 states, 5780 states have (on average 1.3323529411764705) internal successors, (7701), 5869 states have internal predecessors, (7701), 196 states have call successors, (196), 36 states have call predecessors, (196), 36 states have return successors, (196), 171 states have call predecessors, (196), 196 states have call successors, (196) [2021-11-23 13:58:13,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 13:58:13,012 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:58:13,013 INFO L514 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] [2021-11-23 13:58:13,013 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [xpc_send_activate_IRQ_part_uvErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-23 13:58:13,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:58:13,019 INFO L85 PathProgramCache]: Analyzing trace with hash -897352217, now seen corresponding path program 1 times [2021-11-23 13:58:13,027 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:58:13,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857931565] [2021-11-23 13:58:13,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:58:13,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:58:13,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:58:13,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:58:13,749 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:58:13,749 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857931565] [2021-11-23 13:58:13,750 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857931565] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:58:13,750 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:58:13,756 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 13:58:13,757 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923922588] [2021-11-23 13:58:13,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:58:13,766 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-23 13:58:13,767 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:58:13,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-23 13:58:13,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 13:58:13,819 INFO L87 Difference]: Start difference. First operand has 6041 states, 5780 states have (on average 1.3323529411764705) internal successors, (7701), 5869 states have internal predecessors, (7701), 196 states have call successors, (196), 36 states have call predecessors, (196), 36 states have return successors, (196), 171 states have call predecessors, (196), 196 states have call successors, (196) Second operand has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 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) [2021-11-23 13:58:14,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:58:14,225 INFO L93 Difference]: Finished difference Result 12050 states and 16349 transitions. [2021-11-23 13:58:14,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 13:58:14,228 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 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 38 [2021-11-23 13:58:14,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:58:14,283 INFO L225 Difference]: With dead ends: 12050 [2021-11-23 13:58:14,283 INFO L226 Difference]: Without dead ends: 5922 [2021-11-23 13:58:14,331 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 13:58:14,335 INFO L933 BasicCegarLoop]: 7944 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7944 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 13:58:14,336 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 7944 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 13:58:14,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5922 states. [2021-11-23 13:58:14,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5922 to 5922. [2021-11-23 13:58:14,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5922 states, 5662 states have (on average 1.3055457435535147) internal successors, (7392), 5751 states have internal predecessors, (7392), 196 states have call successors, (196), 36 states have call predecessors, (196), 36 states have return successors, (195), 170 states have call predecessors, (195), 195 states have call successors, (195) [2021-11-23 13:58:14,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5922 states to 5922 states and 7783 transitions. [2021-11-23 13:58:14,644 INFO L78 Accepts]: Start accepts. Automaton has 5922 states and 7783 transitions. Word has length 38 [2021-11-23 13:58:14,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:58:14,644 INFO L470 AbstractCegarLoop]: Abstraction has 5922 states and 7783 transitions. [2021-11-23 13:58:14,644 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 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) [2021-11-23 13:58:14,645 INFO L276 IsEmpty]: Start isEmpty. Operand 5922 states and 7783 transitions. [2021-11-23 13:58:14,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 13:58:14,648 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:58:14,648 INFO L514 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] [2021-11-23 13:58:14,648 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 13:58:14,648 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [xpc_send_activate_IRQ_part_uvErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-23 13:58:14,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:58:14,649 INFO L85 PathProgramCache]: Analyzing trace with hash -921968145, now seen corresponding path program 1 times [2021-11-23 13:58:14,649 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:58:14,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588612918] [2021-11-23 13:58:14,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:58:14,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:58:14,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:58:14,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:58:14,971 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:58:14,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588612918] [2021-11-23 13:58:14,971 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588612918] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:58:14,972 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:58:14,972 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 13:58:14,972 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785953669] [2021-11-23 13:58:14,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:58:14,973 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 13:58:14,974 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:58:14,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 13:58:14,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 13:58:14,975 INFO L87 Difference]: Start difference. First operand 5922 states and 7783 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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) [2021-11-23 13:58:15,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:58:15,432 INFO L93 Difference]: Finished difference Result 13932 states and 18360 transitions. [2021-11-23 13:58:15,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 13:58:15,433 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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 38 [2021-11-23 13:58:15,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:58:15,493 INFO L225 Difference]: With dead ends: 13932 [2021-11-23 13:58:15,494 INFO L226 Difference]: Without dead ends: 8035 [2021-11-23 13:58:15,525 INFO L932 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 [2021-11-23 13:58:15,526 INFO L933 BasicCegarLoop]: 10539 mSDtfsCounter, 2694 mSDsluCounter, 7826 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2756 SdHoareTripleChecker+Valid, 18365 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 13:58:15,527 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2756 Valid, 18365 Invalid, 20 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 13:58:15,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8035 states. [2021-11-23 13:58:15,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8035 to 5923. [2021-11-23 13:58:15,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5923 states, 5663 states have (on average 1.3054917888045205) internal successors, (7393), 5752 states have internal predecessors, (7393), 196 states have call successors, (196), 36 states have call predecessors, (196), 36 states have return successors, (195), 170 states have call predecessors, (195), 195 states have call successors, (195) [2021-11-23 13:58:15,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5923 states to 5923 states and 7784 transitions. [2021-11-23 13:58:15,779 INFO L78 Accepts]: Start accepts. Automaton has 5923 states and 7784 transitions. Word has length 38 [2021-11-23 13:58:15,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:58:15,780 INFO L470 AbstractCegarLoop]: Abstraction has 5923 states and 7784 transitions. [2021-11-23 13:58:15,780 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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) [2021-11-23 13:58:15,780 INFO L276 IsEmpty]: Start isEmpty. Operand 5923 states and 7784 transitions. [2021-11-23 13:58:15,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 13:58:15,784 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:58:15,785 INFO L514 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] [2021-11-23 13:58:15,785 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 13:58:15,785 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [xpc_send_activate_IRQ_part_uvErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-23 13:58:15,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:58:15,786 INFO L85 PathProgramCache]: Analyzing trace with hash 80028922, now seen corresponding path program 1 times [2021-11-23 13:58:15,786 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:58:15,786 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073556788] [2021-11-23 13:58:15,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:58:15,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:58:15,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:58:16,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:58:16,210 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:58:16,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073556788] [2021-11-23 13:58:16,210 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073556788] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:58:16,211 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:58:16,211 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 13:58:16,211 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204023949] [2021-11-23 13:58:16,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:58:16,212 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 13:58:16,212 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:58:16,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 13:58:16,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 13:58:16,213 INFO L87 Difference]: Start difference. First operand 5923 states and 7784 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 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) [2021-11-23 13:58:16,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:58:16,630 INFO L93 Difference]: Finished difference Result 14742 states and 19383 transitions. [2021-11-23 13:58:16,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 13:58:16,631 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 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 47 [2021-11-23 13:58:16,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:58:16,704 INFO L225 Difference]: With dead ends: 14742 [2021-11-23 13:58:16,704 INFO L226 Difference]: Without dead ends: 8844 [2021-11-23 13:58:16,738 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 13:58:16,742 INFO L933 BasicCegarLoop]: 10552 mSDtfsCounter, 4037 mSDsluCounter, 7467 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4119 SdHoareTripleChecker+Valid, 18019 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 13:58:16,745 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4119 Valid, 18019 Invalid, 9 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 13:58:16,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8844 states. [2021-11-23 13:58:17,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8844 to 5925. [2021-11-23 13:58:17,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5925 states, 5665 states have (on average 1.3055604589585172) internal successors, (7396), 5754 states have internal predecessors, (7396), 196 states have call successors, (196), 36 states have call predecessors, (196), 36 states have return successors, (195), 170 states have call predecessors, (195), 195 states have call successors, (195) [2021-11-23 13:58:17,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5925 states to 5925 states and 7787 transitions. [2021-11-23 13:58:17,228 INFO L78 Accepts]: Start accepts. Automaton has 5925 states and 7787 transitions. Word has length 47 [2021-11-23 13:58:17,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:58:17,229 INFO L470 AbstractCegarLoop]: Abstraction has 5925 states and 7787 transitions. [2021-11-23 13:58:17,230 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 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) [2021-11-23 13:58:17,230 INFO L276 IsEmpty]: Start isEmpty. Operand 5925 states and 7787 transitions. [2021-11-23 13:58:17,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 13:58:17,235 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:58:17,236 INFO L514 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] [2021-11-23 13:58:17,237 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 13:58:17,239 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [xpc_send_activate_IRQ_part_uvErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-23 13:58:17,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:58:17,240 INFO L85 PathProgramCache]: Analyzing trace with hash 137287224, now seen corresponding path program 1 times [2021-11-23 13:58:17,241 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:58:17,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769537894] [2021-11-23 13:58:17,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:58:17,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:58:17,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:58:17,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:58:17,721 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:58:17,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769537894] [2021-11-23 13:58:17,721 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769537894] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:58:17,722 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:58:17,722 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 13:58:17,722 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943598680] [2021-11-23 13:58:17,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:58:17,723 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 13:58:17,723 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:58:17,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 13:58:17,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 13:58:17,725 INFO L87 Difference]: Start difference. First operand 5925 states and 7787 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 2 states have internal predecessors, (47), 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) [2021-11-23 13:58:18,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:58:18,887 INFO L93 Difference]: Finished difference Result 9477 states and 12720 transitions. [2021-11-23 13:58:18,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 13:58:18,887 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 2 states have internal predecessors, (47), 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 47 [2021-11-23 13:58:18,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:58:18,961 INFO L225 Difference]: With dead ends: 9477 [2021-11-23 13:58:18,961 INFO L226 Difference]: Without dead ends: 9421 [2021-11-23 13:58:18,969 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 13:58:18,972 INFO L933 BasicCegarLoop]: 8418 mSDtfsCounter, 7120 mSDsluCounter, 5043 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 191 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7120 SdHoareTripleChecker+Valid, 13461 SdHoareTripleChecker+Invalid, 433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 191 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-23 13:58:18,973 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7120 Valid, 13461 Invalid, 433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [191 Valid, 242 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-23 13:58:18,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9421 states. [2021-11-23 13:58:19,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9421 to 9351. [2021-11-23 13:58:19,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9351 states, 8960 states have (on average 1.31953125) internal successors, (11823), 9074 states have internal predecessors, (11823), 304 states have call successors, (304), 62 states have call predecessors, (304), 62 states have return successors, (441), 263 states have call predecessors, (441), 302 states have call successors, (441) [2021-11-23 13:58:19,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9351 states to 9351 states and 12568 transitions. [2021-11-23 13:58:19,362 INFO L78 Accepts]: Start accepts. Automaton has 9351 states and 12568 transitions. Word has length 47 [2021-11-23 13:58:19,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:58:19,364 INFO L470 AbstractCegarLoop]: Abstraction has 9351 states and 12568 transitions. [2021-11-23 13:58:19,364 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 2 states have internal predecessors, (47), 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) [2021-11-23 13:58:19,365 INFO L276 IsEmpty]: Start isEmpty. Operand 9351 states and 12568 transitions. [2021-11-23 13:58:19,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 13:58:19,371 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:58:19,371 INFO L514 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] [2021-11-23 13:58:19,372 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-23 13:58:19,372 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting xpc_send_activate_IRQ_ch_uvErr0ASSERT_VIOLATIONERROR_FUNCTION === [xpc_send_activate_IRQ_part_uvErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-23 13:58:19,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:58:19,373 INFO L85 PathProgramCache]: Analyzing trace with hash -808414927, now seen corresponding path program 1 times [2021-11-23 13:58:19,374 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:58:19,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113331834] [2021-11-23 13:58:19,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:58:19,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:58:19,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:58:19,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:58:19,715 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:58:19,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113331834] [2021-11-23 13:58:19,715 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113331834] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:58:19,716 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:58:19,716 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 13:58:19,716 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499218181] [2021-11-23 13:58:19,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:58:19,717 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 13:58:19,717 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:58:19,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 13:58:19,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-23 13:58:19,718 INFO L87 Difference]: Start difference. First operand 9351 states and 12568 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (5), 1 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:58:25,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:58:25,068 INFO L93 Difference]: Finished difference Result 45527 states and 61837 transitions. [2021-11-23 13:58:25,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 13:58:25,069 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (5), 1 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2021-11-23 13:58:25,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:58:25,258 INFO L225 Difference]: With dead ends: 45527 [2021-11-23 13:58:25,259 INFO L226 Difference]: Without dead ends: 36201 [2021-11-23 13:58:25,327 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-23 13:58:25,328 INFO L933 BasicCegarLoop]: 8858 mSDtfsCounter, 29156 mSDsluCounter, 29709 mSDsCounter, 0 mSdLazyCounter, 877 mSolverCounterSat, 380 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29156 SdHoareTripleChecker+Valid, 38567 SdHoareTripleChecker+Invalid, 1257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 380 IncrementalHoareTripleChecker+Valid, 877 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2021-11-23 13:58:25,331 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [29156 Valid, 38567 Invalid, 1257 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [380 Valid, 877 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2021-11-23 13:58:25,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36201 states. [2021-11-23 13:58:26,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36201 to 35893. [2021-11-23 13:58:26,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35893 states, 34449 states have (on average 1.3230282446515138) internal successors, (45577), 34811 states have internal predecessors, (45577), 1179 states have call successors, (1179), 244 states have call predecessors, (1179), 240 states have return successors, (2287), 1020 states have call predecessors, (2287), 1171 states have call successors, (2287) [2021-11-23 13:58:27,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35893 states to 35893 states and 49043 transitions. [2021-11-23 13:58:27,071 INFO L78 Accepts]: Start accepts. Automaton has 35893 states and 49043 transitions. Word has length 67 [2021-11-23 13:58:27,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:58:27,072 INFO L470 AbstractCegarLoop]: Abstraction has 35893 states and 49043 transitions. [2021-11-23 13:58:27,072 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (5), 1 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:58:27,072 INFO L276 IsEmpty]: Start isEmpty. Operand 35893 states and 49043 transitions. [2021-11-23 13:58:27,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-23 13:58:27,081 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:58:27,081 INFO L514 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] [2021-11-23 13:58:27,082 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-23 13:58:27,082 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting xpc_send_activate_IRQ_ch_uvErr0ASSERT_VIOLATIONERROR_FUNCTION === [xpc_send_activate_IRQ_part_uvErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-23 13:58:27,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:58:27,083 INFO L85 PathProgramCache]: Analyzing trace with hash -30734136, now seen corresponding path program 1 times [2021-11-23 13:58:27,083 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:58:27,083 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735686367] [2021-11-23 13:58:27,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:58:27,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:58:27,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:58:27,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:58:27,480 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:58:27,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735686367] [2021-11-23 13:58:27,481 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735686367] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:58:27,481 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:58:27,481 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 13:58:27,481 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314064538] [2021-11-23 13:58:27,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:58:27,483 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 13:58:27,484 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:58:27,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 13:58:27,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-23 13:58:27,485 INFO L87 Difference]: Start difference. First operand 35893 states and 49043 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (5), 1 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:58:30,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:58:30,775 INFO L93 Difference]: Finished difference Result 71745 states and 98025 transitions. [2021-11-23 13:58:30,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 13:58:30,776 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (5), 1 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2021-11-23 13:58:30,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:58:30,948 INFO L225 Difference]: With dead ends: 71745 [2021-11-23 13:58:30,948 INFO L226 Difference]: Without dead ends: 35877 [2021-11-23 13:58:31,081 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-23 13:58:31,082 INFO L933 BasicCegarLoop]: 7770 mSDtfsCounter, 15121 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 391 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15121 SdHoareTripleChecker+Valid, 7795 SdHoareTripleChecker+Invalid, 394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 391 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-23 13:58:31,083 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15121 Valid, 7795 Invalid, 394 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [391 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-23 13:58:31,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35877 states. [2021-11-23 13:58:32,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35877 to 35877. [2021-11-23 13:58:32,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35877 states, 34441 states have (on average 1.3226387154844517) internal successors, (45553), 34803 states have internal predecessors, (45553), 1171 states have call successors, (1171), 244 states have call predecessors, (1171), 240 states have return successors, (2269), 1012 states have call predecessors, (2269), 1163 states have call successors, (2269) [2021-11-23 13:58:33,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35877 states to 35877 states and 48993 transitions. [2021-11-23 13:58:33,025 INFO L78 Accepts]: Start accepts. Automaton has 35877 states and 48993 transitions. Word has length 70 [2021-11-23 13:58:33,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:58:33,038 INFO L470 AbstractCegarLoop]: Abstraction has 35877 states and 48993 transitions. [2021-11-23 13:58:33,038 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (5), 1 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:58:33,038 INFO L276 IsEmpty]: Start isEmpty. Operand 35877 states and 48993 transitions. [2021-11-23 13:58:33,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-23 13:58:33,047 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:58:33,048 INFO L514 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] [2021-11-23 13:58:33,048 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-23 13:58:33,048 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting xpc_send_activate_IRQ_ch_uvErr0ASSERT_VIOLATIONERROR_FUNCTION === [xpc_send_activate_IRQ_part_uvErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-23 13:58:33,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:58:33,062 INFO L85 PathProgramCache]: Analyzing trace with hash 784702015, now seen corresponding path program 1 times [2021-11-23 13:58:33,062 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:58:33,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43237962] [2021-11-23 13:58:33,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:58:33,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:58:33,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:58:33,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:58:33,361 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:58:33,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43237962] [2021-11-23 13:58:33,361 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43237962] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:58:33,361 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:58:33,362 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 13:58:33,362 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708322474] [2021-11-23 13:58:33,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:58:33,362 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 13:58:33,363 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:58:33,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 13:58:33,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 13:58:33,363 INFO L87 Difference]: Start difference. First operand 35877 states and 48993 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 1 states have call successors, (6), 1 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:58:35,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:58:35,957 INFO L93 Difference]: Finished difference Result 98207 states and 134922 transitions. [2021-11-23 13:58:35,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 13:58:35,958 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 1 states have call successors, (6), 1 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2021-11-23 13:58:35,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:58:36,224 INFO L225 Difference]: With dead ends: 98207 [2021-11-23 13:58:36,224 INFO L226 Difference]: Without dead ends: 62355 [2021-11-23 13:58:36,547 INFO L932 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 [2021-11-23 13:58:36,549 INFO L933 BasicCegarLoop]: 7998 mSDtfsCounter, 7511 mSDsluCounter, 6361 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7511 SdHoareTripleChecker+Valid, 14359 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-23 13:58:36,549 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7511 Valid, 14359 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-23 13:58:36,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62355 states. [2021-11-23 13:58:38,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62355 to 62323. [2021-11-23 13:58:38,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62323 states, 59648 states have (on average 1.335199839055794) internal successors, (79642), 60316 states have internal predecessors, (79642), 2170 states have call successors, (2170), 488 states have call predecessors, (2170), 480 states have return successors, (4104), 1872 states have call predecessors, (4104), 2162 states have call successors, (4104) [2021-11-23 13:58:39,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62323 states to 62323 states and 85916 transitions. [2021-11-23 13:58:39,191 INFO L78 Accepts]: Start accepts. Automaton has 62323 states and 85916 transitions. Word has length 83 [2021-11-23 13:58:39,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:58:39,192 INFO L470 AbstractCegarLoop]: Abstraction has 62323 states and 85916 transitions. [2021-11-23 13:58:39,192 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 1 states have call successors, (6), 1 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:58:39,192 INFO L276 IsEmpty]: Start isEmpty. Operand 62323 states and 85916 transitions. [2021-11-23 13:58:39,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-23 13:58:39,207 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:58:39,208 INFO L514 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] [2021-11-23 13:58:39,208 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-23 13:58:39,208 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting xpc_send_activate_IRQ_ch_uvErr0ASSERT_VIOLATIONERROR_FUNCTION === [xpc_send_activate_IRQ_part_uvErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-23 13:58:39,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:58:39,209 INFO L85 PathProgramCache]: Analyzing trace with hash -447709639, now seen corresponding path program 1 times [2021-11-23 13:58:39,209 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:58:39,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996421411] [2021-11-23 13:58:39,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:58:39,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:58:39,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:58:39,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:58:39,492 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:58:39,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996421411] [2021-11-23 13:58:39,492 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996421411] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:58:39,492 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:58:39,492 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 13:58:39,493 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233971028] [2021-11-23 13:58:39,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:58:39,494 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 13:58:39,494 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:58:39,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 13:58:39,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 13:58:39,495 INFO L87 Difference]: Start difference. First operand 62323 states and 85916 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 1 states have call successors, (6), 1 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:58:43,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:58:43,029 INFO L93 Difference]: Finished difference Result 184335 states and 254334 transitions. [2021-11-23 13:58:43,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 13:58:43,030 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 1 states have call successors, (6), 1 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2021-11-23 13:58:43,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:58:43,865 INFO L225 Difference]: With dead ends: 184335 [2021-11-23 13:58:43,865 INFO L226 Difference]: Without dead ends: 122037 [2021-11-23 13:58:44,143 INFO L932 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 [2021-11-23 13:58:44,144 INFO L933 BasicCegarLoop]: 9113 mSDtfsCounter, 7501 mSDsluCounter, 7739 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7501 SdHoareTripleChecker+Valid, 16852 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 13:58:44,145 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7501 Valid, 16852 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 13:58:44,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122037 states. [2021-11-23 13:58:48,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122037 to 121987. [2021-11-23 13:58:48,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121987 states, 116742 states have (on average 1.3372393825701119) internal successors, (156112), 118038 states have internal predecessors, (156112), 4260 states have call successors, (4260), 976 states have call predecessors, (4260), 960 states have return successors, (8032), 3672 states have call predecessors, (8032), 4244 states have call successors, (8032) [2021-11-23 13:58:49,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121987 states to 121987 states and 168404 transitions. [2021-11-23 13:58:49,184 INFO L78 Accepts]: Start accepts. Automaton has 121987 states and 168404 transitions. Word has length 88 [2021-11-23 13:58:49,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:58:49,184 INFO L470 AbstractCegarLoop]: Abstraction has 121987 states and 168404 transitions. [2021-11-23 13:58:49,185 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 1 states have call successors, (6), 1 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:58:49,185 INFO L276 IsEmpty]: Start isEmpty. Operand 121987 states and 168404 transitions. [2021-11-23 13:58:49,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-23 13:58:49,228 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:58:49,229 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 13:58:49,229 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-23 13:58:49,229 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting xpc_send_activate_IRQ_ch_uvErr0ASSERT_VIOLATIONERROR_FUNCTION === [xpc_send_activate_IRQ_part_uvErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-23 13:58:49,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:58:49,230 INFO L85 PathProgramCache]: Analyzing trace with hash 164787452, now seen corresponding path program 1 times [2021-11-23 13:58:49,230 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:58:49,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057054565] [2021-11-23 13:58:49,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:58:49,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:58:49,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:58:49,516 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:58:49,516 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:58:49,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057054565] [2021-11-23 13:58:49,517 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057054565] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:58:49,517 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:58:49,517 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 13:58:49,517 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204917080] [2021-11-23 13:58:49,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:58:49,518 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 13:58:49,518 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:58:49,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 13:58:49,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 13:58:49,520 INFO L87 Difference]: Start difference. First operand 121987 states and 168404 transitions. Second operand has 5 states, 5 states have (on average 20.8) internal successors, (104), 5 states have internal predecessors, (104), 1 states have call successors, (6), 1 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:58:50,545 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 13:58:55,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:58:55,062 INFO L93 Difference]: Finished difference Result 243997 states and 336845 transitions. [2021-11-23 13:58:55,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 13:58:55,063 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 5 states have internal predecessors, (104), 1 states have call successors, (6), 1 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-11-23 13:58:55,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:58:55,534 INFO L225 Difference]: With dead ends: 243997 [2021-11-23 13:58:55,534 INFO L226 Difference]: Without dead ends: 121971 [2021-11-23 13:58:56,312 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-23 13:58:56,315 INFO L933 BasicCegarLoop]: 7769 mSDtfsCounter, 6 mSDsluCounter, 23285 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 31054 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-23 13:58:56,315 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 31054 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-23 13:58:56,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121971 states.