./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--w83792d.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b32d2b-88da-43f5-9974-5efab6400640/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b32d2b-88da-43f5-9974-5efab6400640/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b32d2b-88da-43f5-9974-5efab6400640/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b32d2b-88da-43f5-9974-5efab6400640/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--w83792d.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b32d2b-88da-43f5-9974-5efab6400640/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b32d2b-88da-43f5-9974-5efab6400640/bin/uautomizer-verify-uTZkv6EMXl --witnessprinter.witness.filename witness --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 e87ce4631152faee62991e43ea4262d58cd06d3a6c93a184b0775dd51465b70f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:30:54,756 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:30:54,875 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b32d2b-88da-43f5-9974-5efab6400640/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-12 02:30:54,883 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:30:54,884 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:30:54,924 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:30:54,925 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:30:54,926 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:30:54,927 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:30:54,930 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:30:54,931 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:30:54,931 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:30:54,932 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:30:54,933 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:30:54,933 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:30:54,934 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:30:54,934 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:30:54,935 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:30:54,935 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:30:54,936 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:30:54,936 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:30:54,937 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:30:54,938 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:30:54,938 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:30:54,939 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:30:54,939 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:30:54,940 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:30:54,940 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:30:54,940 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:30:54,941 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:30:54,941 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:30:54,942 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:30:54,942 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:30:54,942 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:30:54,943 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:30:54,943 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:30:54,943 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_70b32d2b-88da-43f5-9974-5efab6400640/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b32d2b-88da-43f5-9974-5efab6400640/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e87ce4631152faee62991e43ea4262d58cd06d3a6c93a184b0775dd51465b70f [2023-11-12 02:30:55,262 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:30:55,295 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:30:55,297 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:30:55,299 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:30:55,300 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:30:55,301 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b32d2b-88da-43f5-9974-5efab6400640/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--w83792d.ko-main.cil.out.i [2023-11-12 02:30:58,398 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:30:59,029 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:30:59,029 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b32d2b-88da-43f5-9974-5efab6400640/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--w83792d.ko-main.cil.out.i [2023-11-12 02:30:59,079 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b32d2b-88da-43f5-9974-5efab6400640/bin/uautomizer-verify-uTZkv6EMXl/data/6880797aa/b4e967d52fbf45289766b1db524e5a11/FLAGd85269d98 [2023-11-12 02:30:59,098 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b32d2b-88da-43f5-9974-5efab6400640/bin/uautomizer-verify-uTZkv6EMXl/data/6880797aa/b4e967d52fbf45289766b1db524e5a11 [2023-11-12 02:30:59,104 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:30:59,106 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:30:59,109 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:30:59,110 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:30:59,115 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:30:59,116 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:30:59" (1/1) ... [2023-11-12 02:30:59,117 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c7a7159 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:59, skipping insertion in model container [2023-11-12 02:30:59,117 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:30:59" (1/1) ... [2023-11-12 02:30:59,325 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:31:00,766 WARN L240 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_70b32d2b-88da-43f5-9974-5efab6400640/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--w83792d.ko-main.cil.out.i[270348,270361] [2023-11-12 02:31:00,874 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:31:00,974 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:31:01,407 WARN L240 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_70b32d2b-88da-43f5-9974-5efab6400640/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--w83792d.ko-main.cil.out.i[270348,270361] [2023-11-12 02:31:01,439 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:31:01,815 WARN L672 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:31:01,823 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:31:01,824 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:01 WrapperNode [2023-11-12 02:31:01,824 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:31:01,825 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:31:01,826 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:31:01,826 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:31:01,834 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:01" (1/1) ... [2023-11-12 02:31:01,978 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:01" (1/1) ... [2023-11-12 02:31:02,247 INFO L138 Inliner]: procedures = 176, calls = 3917, calls flagged for inlining = 73, calls inlined = 65, statements flattened = 10126 [2023-11-12 02:31:02,248 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:31:02,249 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:31:02,249 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:31:02,249 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:31:02,260 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:01" (1/1) ... [2023-11-12 02:31:02,261 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:01" (1/1) ... [2023-11-12 02:31:02,388 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:01" (1/1) ... [2023-11-12 02:31:02,391 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:01" (1/1) ... [2023-11-12 02:31:02,588 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:01" (1/1) ... [2023-11-12 02:31:02,633 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:01" (1/1) ... [2023-11-12 02:31:02,688 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:01" (1/1) ... [2023-11-12 02:31:02,717 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:01" (1/1) ... [2023-11-12 02:31:02,771 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:31:02,773 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:31:02,773 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:31:02,773 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:31:02,774 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:01" (1/1) ... [2023-11-12 02:31:02,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:31:02,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b32d2b-88da-43f5-9974-5efab6400640/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:31:02,807 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b32d2b-88da-43f5-9974-5efab6400640/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:31:02,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b32d2b-88da-43f5-9974-5efab6400640/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:31:02,855 INFO L130 BoogieDeclarations]: Found specification of procedure show_fan [2023-11-12 02:31:02,856 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fan [2023-11-12 02:31:02,857 INFO L130 BoogieDeclarations]: Found specification of procedure store_in_max [2023-11-12 02:31:02,857 INFO L138 BoogieDeclarations]: Found implementation of procedure store_in_max [2023-11-12 02:31:02,857 INFO L130 BoogieDeclarations]: Found specification of procedure w83792d_update_device [2023-11-12 02:31:02,857 INFO L138 BoogieDeclarations]: Found implementation of procedure w83792d_update_device [2023-11-12 02:31:02,857 INFO L130 BoogieDeclarations]: Found specification of procedure show_in_max [2023-11-12 02:31:02,858 INFO L138 BoogieDeclarations]: Found implementation of procedure show_in_max [2023-11-12 02:31:02,858 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2023-11-12 02:31:02,858 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2023-11-12 02:31:02,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 02:31:02,858 INFO L130 BoogieDeclarations]: Found specification of procedure FAN_TO_REG [2023-11-12 02:31:02,858 INFO L138 BoogieDeclarations]: Found implementation of procedure FAN_TO_REG [2023-11-12 02:31:02,859 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2023-11-12 02:31:02,859 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2023-11-12 02:31:02,860 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2023-11-12 02:31:02,861 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2023-11-12 02:31:02,861 INFO L130 BoogieDeclarations]: Found specification of procedure store_tolerance [2023-11-12 02:31:02,861 INFO L138 BoogieDeclarations]: Found implementation of procedure store_tolerance [2023-11-12 02:31:02,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_w83792d_data [2023-11-12 02:31:02,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_w83792d_data [2023-11-12 02:31:02,861 INFO L130 BoogieDeclarations]: Found specification of procedure show_pwmenable [2023-11-12 02:31:02,862 INFO L138 BoogieDeclarations]: Found implementation of procedure show_pwmenable [2023-11-12 02:31:02,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 02:31:02,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 02:31:02,862 INFO L130 BoogieDeclarations]: Found specification of procedure store_pwm [2023-11-12 02:31:02,863 INFO L138 BoogieDeclarations]: Found implementation of procedure store_pwm [2023-11-12 02:31:02,863 INFO L130 BoogieDeclarations]: Found specification of procedure store_in_min [2023-11-12 02:31:02,863 INFO L138 BoogieDeclarations]: Found implementation of procedure store_in_min [2023-11-12 02:31:02,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_w83792d_data [2023-11-12 02:31:02,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_w83792d_data [2023-11-12 02:31:02,864 INFO L130 BoogieDeclarations]: Found specification of procedure show_temp1 [2023-11-12 02:31:02,865 INFO L138 BoogieDeclarations]: Found implementation of procedure show_temp1 [2023-11-12 02:31:02,865 INFO L130 BoogieDeclarations]: Found specification of procedure store_fan_div [2023-11-12 02:31:02,865 INFO L138 BoogieDeclarations]: Found implementation of procedure store_fan_div [2023-11-12 02:31:02,865 INFO L130 BoogieDeclarations]: Found specification of procedure show_fan_div [2023-11-12 02:31:02,866 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fan_div [2023-11-12 02:31:02,866 INFO L130 BoogieDeclarations]: Found specification of procedure show_tolerance [2023-11-12 02:31:02,866 INFO L138 BoogieDeclarations]: Found implementation of procedure show_tolerance [2023-11-12 02:31:02,866 INFO L130 BoogieDeclarations]: Found specification of procedure show_pwm_mode [2023-11-12 02:31:02,867 INFO L138 BoogieDeclarations]: Found implementation of procedure show_pwm_mode [2023-11-12 02:31:02,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:31:02,868 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-12 02:31:02,868 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-12 02:31:02,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-12 02:31:02,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-12 02:31:02,868 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-12 02:31:02,868 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-12 02:31:02,869 INFO L130 BoogieDeclarations]: Found specification of procedure in_count_from_reg [2023-11-12 02:31:02,869 INFO L138 BoogieDeclarations]: Found implementation of procedure in_count_from_reg [2023-11-12 02:31:02,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 02:31:02,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 02:31:02,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 02:31:02,869 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-11-12 02:31:02,869 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-11-12 02:31:02,870 INFO L130 BoogieDeclarations]: Found specification of procedure show_in_min [2023-11-12 02:31:02,870 INFO L138 BoogieDeclarations]: Found implementation of procedure show_in_min [2023-11-12 02:31:02,870 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:31:02,870 INFO L130 BoogieDeclarations]: Found specification of procedure store_sf2_level [2023-11-12 02:31:02,870 INFO L138 BoogieDeclarations]: Found implementation of procedure store_sf2_level [2023-11-12 02:31:02,870 INFO L130 BoogieDeclarations]: Found specification of procedure store_temp1 [2023-11-12 02:31:02,871 INFO L138 BoogieDeclarations]: Found implementation of procedure store_temp1 [2023-11-12 02:31:02,871 INFO L130 BoogieDeclarations]: Found specification of procedure store_temp23 [2023-11-12 02:31:02,871 INFO L138 BoogieDeclarations]: Found implementation of procedure store_temp23 [2023-11-12 02:31:02,871 INFO L130 BoogieDeclarations]: Found specification of procedure store_fan_min [2023-11-12 02:31:02,871 INFO L138 BoogieDeclarations]: Found implementation of procedure store_fan_min [2023-11-12 02:31:02,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 02:31:02,871 INFO L130 BoogieDeclarations]: Found specification of procedure show_fan_min [2023-11-12 02:31:02,872 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fan_min [2023-11-12 02:31:02,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:31:02,873 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-12 02:31:02,873 INFO L130 BoogieDeclarations]: Found specification of procedure show_sf2_point [2023-11-12 02:31:02,874 INFO L138 BoogieDeclarations]: Found implementation of procedure show_sf2_point [2023-11-12 02:31:02,874 INFO L130 BoogieDeclarations]: Found specification of procedure w83792d_write_value [2023-11-12 02:31:02,874 INFO L138 BoogieDeclarations]: Found implementation of procedure w83792d_write_value [2023-11-12 02:31:02,874 INFO L130 BoogieDeclarations]: Found specification of procedure show_alarm [2023-11-12 02:31:02,874 INFO L138 BoogieDeclarations]: Found implementation of procedure show_alarm [2023-11-12 02:31:02,874 INFO L130 BoogieDeclarations]: Found specification of procedure show_thermal_cruise [2023-11-12 02:31:02,875 INFO L138 BoogieDeclarations]: Found implementation of procedure show_thermal_cruise [2023-11-12 02:31:02,875 INFO L130 BoogieDeclarations]: Found specification of procedure show_temp23 [2023-11-12 02:31:02,875 INFO L138 BoogieDeclarations]: Found implementation of procedure show_temp23 [2023-11-12 02:31:02,875 INFO L130 BoogieDeclarations]: Found specification of procedure SENSORS_LIMIT [2023-11-12 02:31:02,876 INFO L138 BoogieDeclarations]: Found implementation of procedure SENSORS_LIMIT [2023-11-12 02:31:02,876 INFO L130 BoogieDeclarations]: Found specification of procedure show_in [2023-11-12 02:31:02,876 INFO L138 BoogieDeclarations]: Found implementation of procedure show_in [2023-11-12 02:31:02,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 02:31:02,876 INFO L130 BoogieDeclarations]: Found specification of procedure w83792d_detect [2023-11-12 02:31:02,876 INFO L138 BoogieDeclarations]: Found implementation of procedure w83792d_detect [2023-11-12 02:31:02,876 INFO L130 BoogieDeclarations]: Found specification of procedure store_pwm_mode [2023-11-12 02:31:02,877 INFO L138 BoogieDeclarations]: Found implementation of procedure store_pwm_mode [2023-11-12 02:31:02,877 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtol [2023-11-12 02:31:02,877 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtol [2023-11-12 02:31:02,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:31:02,878 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2023-11-12 02:31:02,878 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2023-11-12 02:31:02,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 02:31:02,878 INFO L130 BoogieDeclarations]: Found specification of procedure store_pwmenable [2023-11-12 02:31:02,878 INFO L138 BoogieDeclarations]: Found implementation of procedure store_pwmenable [2023-11-12 02:31:02,879 INFO L130 BoogieDeclarations]: Found specification of procedure w83792d_read_value [2023-11-12 02:31:02,879 INFO L138 BoogieDeclarations]: Found implementation of procedure w83792d_read_value [2023-11-12 02:31:02,879 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_unregister_device [2023-11-12 02:31:02,879 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_unregister_device [2023-11-12 02:31:02,879 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-12 02:31:02,879 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-12 02:31:02,880 INFO L130 BoogieDeclarations]: Found specification of procedure show_pwm [2023-11-12 02:31:02,880 INFO L138 BoogieDeclarations]: Found implementation of procedure show_pwm [2023-11-12 02:31:02,880 INFO L130 BoogieDeclarations]: Found specification of procedure show_sf2_level [2023-11-12 02:31:02,880 INFO L138 BoogieDeclarations]: Found implementation of procedure show_sf2_level [2023-11-12 02:31:02,880 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_new_dummy [2023-11-12 02:31:02,880 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_new_dummy [2023-11-12 02:31:02,880 INFO L130 BoogieDeclarations]: Found specification of procedure store_thermal_cruise [2023-11-12 02:31:02,881 INFO L138 BoogieDeclarations]: Found implementation of procedure store_thermal_cruise [2023-11-12 02:31:02,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:31:02,881 INFO L130 BoogieDeclarations]: Found specification of procedure store_sf2_point [2023-11-12 02:31:02,881 INFO L138 BoogieDeclarations]: Found implementation of procedure store_sf2_point [2023-11-12 02:31:02,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:31:02,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:31:02,882 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-12 02:31:02,882 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-12 02:31:03,958 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:31:03,962 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:31:17,162 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:31:17,190 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:31:17,191 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 02:31:17,196 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:31:17 BoogieIcfgContainer [2023-11-12 02:31:17,196 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:31:17,199 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:31:17,199 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:31:17,203 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:31:17,203 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:30:59" (1/3) ... [2023-11-12 02:31:17,205 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10550b33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:31:17, skipping insertion in model container [2023-11-12 02:31:17,205 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:01" (2/3) ... [2023-11-12 02:31:17,206 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10550b33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:31:17, skipping insertion in model container [2023-11-12 02:31:17,206 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:31:17" (3/3) ... [2023-11-12 02:31:17,207 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--hwmon--w83792d.ko-main.cil.out.i [2023-11-12 02:31:17,227 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:31:17,227 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:31:17,345 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:31:17,352 INFO L357 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=LoopHeads, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@540d275, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:31:17,353 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:31:17,368 INFO L276 IsEmpty]: Start isEmpty. Operand has 2256 states, 1751 states have (on average 1.549971444888635) internal successors, (2714), 1758 states have internal predecessors, (2714), 450 states have call successors, (450), 53 states have call predecessors, (450), 53 states have return successors, (450), 450 states have call predecessors, (450), 450 states have call successors, (450) [2023-11-12 02:31:17,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-12 02:31:17,397 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:31:17,398 INFO L195 NwaCegarLoop]: 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] [2023-11-12 02:31:17,398 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:31:17,406 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:31:17,406 INFO L85 PathProgramCache]: Analyzing trace with hash 1964113700, now seen corresponding path program 1 times [2023-11-12 02:31:17,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:31:17,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715459025] [2023-11-12 02:31:17,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:31:17,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:31:18,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:31:19,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-12 02:31:19,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:31:19,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:31:19,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:31:19,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:31:19,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:31:19,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715459025] [2023-11-12 02:31:19,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715459025] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:31:19,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:31:19,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:31:19,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718416583] [2023-11-12 02:31:19,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:31:19,206 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:31:19,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:31:19,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:31:19,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:31:19,262 INFO L87 Difference]: Start difference. First operand has 2256 states, 1751 states have (on average 1.549971444888635) internal successors, (2714), 1758 states have internal predecessors, (2714), 450 states have call successors, (450), 53 states have call predecessors, (450), 53 states have return successors, (450), 450 states have call predecessors, (450), 450 states have call successors, (450) Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-12 02:31:23,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:31:23,436 INFO L93 Difference]: Finished difference Result 6770 states and 11395 transitions. [2023-11-12 02:31:23,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 02:31:23,439 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 32 [2023-11-12 02:31:23,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:31:23,536 INFO L225 Difference]: With dead ends: 6770 [2023-11-12 02:31:23,547 INFO L226 Difference]: Without dead ends: 4509 [2023-11-12 02:31:23,603 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:31:23,607 INFO L413 NwaCegarLoop]: 3446 mSDtfsCounter, 3635 mSDsluCounter, 5971 mSDsCounter, 0 mSdLazyCounter, 839 mSolverCounterSat, 945 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3858 SdHoareTripleChecker+Valid, 9417 SdHoareTripleChecker+Invalid, 1784 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 945 IncrementalHoareTripleChecker+Valid, 839 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2023-11-12 02:31:23,608 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3858 Valid, 9417 Invalid, 1784 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [945 Valid, 839 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2023-11-12 02:31:23,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4509 states. [2023-11-12 02:31:24,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4509 to 4476. [2023-11-12 02:31:24,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4476 states, 3478 states have (on average 1.5488786658999425) internal successors, (5387), 3483 states have internal predecessors, (5387), 893 states have call successors, (893), 105 states have call predecessors, (893), 104 states have return successors, (887), 887 states have call predecessors, (887), 887 states have call successors, (887) [2023-11-12 02:31:24,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4476 states to 4476 states and 7167 transitions. [2023-11-12 02:31:24,151 INFO L78 Accepts]: Start accepts. Automaton has 4476 states and 7167 transitions. Word has length 32 [2023-11-12 02:31:24,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:31:24,152 INFO L495 AbstractCegarLoop]: Abstraction has 4476 states and 7167 transitions. [2023-11-12 02:31:24,152 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-12 02:31:24,153 INFO L276 IsEmpty]: Start isEmpty. Operand 4476 states and 7167 transitions. [2023-11-12 02:31:24,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-12 02:31:24,159 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:31:24,159 INFO L195 NwaCegarLoop]: 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] [2023-11-12 02:31:24,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:31:24,160 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:31:24,161 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:31:24,161 INFO L85 PathProgramCache]: Analyzing trace with hash -590067219, now seen corresponding path program 1 times [2023-11-12 02:31:24,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:31:24,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485448384] [2023-11-12 02:31:24,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:31:24,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:31:24,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:31:25,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-12 02:31:25,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:31:25,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:31:25,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:31:25,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:31:25,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:31:25,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485448384] [2023-11-12 02:31:25,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485448384] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:31:25,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:31:25,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:31:25,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173605859] [2023-11-12 02:31:25,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:31:25,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:31:25,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:31:25,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:31:25,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:31:25,302 INFO L87 Difference]: Start difference. First operand 4476 states and 7167 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-12 02:31:29,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:31:29,665 INFO L93 Difference]: Finished difference Result 13446 states and 21591 transitions. [2023-11-12 02:31:29,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 02:31:29,666 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 33 [2023-11-12 02:31:29,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:31:29,757 INFO L225 Difference]: With dead ends: 13446 [2023-11-12 02:31:29,757 INFO L226 Difference]: Without dead ends: 8973 [2023-11-12 02:31:29,783 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:31:29,785 INFO L413 NwaCegarLoop]: 3438 mSDtfsCounter, 3630 mSDsluCounter, 5958 mSDsCounter, 0 mSdLazyCounter, 839 mSolverCounterSat, 944 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3868 SdHoareTripleChecker+Valid, 9396 SdHoareTripleChecker+Invalid, 1783 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 944 IncrementalHoareTripleChecker+Valid, 839 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2023-11-12 02:31:29,786 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3868 Valid, 9396 Invalid, 1783 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [944 Valid, 839 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2023-11-12 02:31:29,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8973 states. [2023-11-12 02:31:30,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8973 to 8922. [2023-11-12 02:31:30,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8922 states, 6935 states have (on average 1.5489545782263878) internal successors, (10742), 6940 states have internal predecessors, (10742), 1778 states have call successors, (1778), 209 states have call predecessors, (1778), 208 states have return successors, (1772), 1772 states have call predecessors, (1772), 1772 states have call successors, (1772) [2023-11-12 02:31:30,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8922 states to 8922 states and 14292 transitions. [2023-11-12 02:31:30,357 INFO L78 Accepts]: Start accepts. Automaton has 8922 states and 14292 transitions. Word has length 33 [2023-11-12 02:31:30,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:31:30,358 INFO L495 AbstractCegarLoop]: Abstraction has 8922 states and 14292 transitions. [2023-11-12 02:31:30,359 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-12 02:31:30,359 INFO L276 IsEmpty]: Start isEmpty. Operand 8922 states and 14292 transitions. [2023-11-12 02:31:30,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-12 02:31:30,361 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:31:30,362 INFO L195 NwaCegarLoop]: 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] [2023-11-12 02:31:30,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 02:31:30,362 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:31:30,363 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:31:30,363 INFO L85 PathProgramCache]: Analyzing trace with hash 2112251304, now seen corresponding path program 1 times [2023-11-12 02:31:30,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:31:30,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588338005] [2023-11-12 02:31:30,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:31:30,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:31:30,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:31:31,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-12 02:31:31,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:31:31,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:31:31,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:31:31,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:31:31,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:31:31,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588338005] [2023-11-12 02:31:31,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588338005] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:31:31,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:31:31,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:31:31,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814347830] [2023-11-12 02:31:31,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:31:31,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:31:31,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:31:31,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:31:31,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:31:31,307 INFO L87 Difference]: Start difference. First operand 8922 states and 14292 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-12 02:31:36,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:31:36,026 INFO L93 Difference]: Finished difference Result 26808 states and 43062 transitions. [2023-11-12 02:31:36,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 02:31:36,027 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 34 [2023-11-12 02:31:36,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:31:36,202 INFO L225 Difference]: With dead ends: 26808 [2023-11-12 02:31:36,203 INFO L226 Difference]: Without dead ends: 17889 [2023-11-12 02:31:36,275 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:31:36,278 INFO L413 NwaCegarLoop]: 3797 mSDtfsCounter, 3626 mSDsluCounter, 6170 mSDsCounter, 0 mSdLazyCounter, 921 mSolverCounterSat, 889 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3848 SdHoareTripleChecker+Valid, 9967 SdHoareTripleChecker+Invalid, 1810 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 889 IncrementalHoareTripleChecker+Valid, 921 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2023-11-12 02:31:36,280 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3848 Valid, 9967 Invalid, 1810 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [889 Valid, 921 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2023-11-12 02:31:36,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17889 states. [2023-11-12 02:31:37,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17889 to 17802. [2023-11-12 02:31:37,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17802 states, 13839 states have (on average 1.5488113302984319) internal successors, (21434), 13844 states have internal predecessors, (21434), 3546 states have call successors, (3546), 417 states have call predecessors, (3546), 416 states have return successors, (3540), 3540 states have call predecessors, (3540), 3540 states have call successors, (3540) [2023-11-12 02:31:37,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17802 states to 17802 states and 28520 transitions. [2023-11-12 02:31:37,355 INFO L78 Accepts]: Start accepts. Automaton has 17802 states and 28520 transitions. Word has length 34 [2023-11-12 02:31:37,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:31:37,355 INFO L495 AbstractCegarLoop]: Abstraction has 17802 states and 28520 transitions. [2023-11-12 02:31:37,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-12 02:31:37,359 INFO L276 IsEmpty]: Start isEmpty. Operand 17802 states and 28520 transitions. [2023-11-12 02:31:37,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-12 02:31:37,362 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:31:37,363 INFO L195 NwaCegarLoop]: 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] [2023-11-12 02:31:37,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-12 02:31:37,363 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:31:37,364 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:31:37,364 INFO L85 PathProgramCache]: Analyzing trace with hash 986873242, now seen corresponding path program 1 times [2023-11-12 02:31:37,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:31:37,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229418602] [2023-11-12 02:31:37,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:31:37,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:31:37,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:31:38,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-12 02:31:38,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:31:38,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:31:38,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:31:38,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:31:38,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:31:38,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229418602] [2023-11-12 02:31:38,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229418602] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:31:38,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:31:38,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:31:38,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21247584] [2023-11-12 02:31:38,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:31:38,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:31:38,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:31:38,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:31:38,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:31:38,301 INFO L87 Difference]: Start difference. First operand 17802 states and 28520 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)