./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--amc6821.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_dc80475d-68f8-449e-9c53-beb7a8be061e/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc80475d-68f8-449e-9c53-beb7a8be061e/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc80475d-68f8-449e-9c53-beb7a8be061e/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc80475d-68f8-449e-9c53-beb7a8be061e/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--amc6821.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc80475d-68f8-449e-9c53-beb7a8be061e/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc80475d-68f8-449e-9c53-beb7a8be061e/bin/uautomizer-verify-VRDe98Ueme --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 b4ab5f9a609d808b1cc730f70e246b6cee2b77e8055db2b71a14eb45eb69a8df --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:48:22,750 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:48:22,823 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc80475d-68f8-449e-9c53-beb7a8be061e/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-26 10:48:22,829 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:48:22,830 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:48:22,858 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:48:22,859 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:48:22,860 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:48:22,861 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:48:22,861 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:48:22,862 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 10:48:22,863 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 10:48:22,864 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:48:22,864 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:48:22,865 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:48:22,866 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:48:22,866 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 10:48:22,867 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 10:48:22,867 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:48:22,868 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 10:48:22,869 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 10:48:22,869 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 10:48:22,870 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:48:22,871 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:48:22,875 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:48:22,876 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:48:22,876 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 10:48:22,877 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 10:48:22,877 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:48:22,878 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:48:22,878 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 10:48:22,879 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 10:48:22,879 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 10:48:22,879 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 10:48:22,880 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 10:48:22,880 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 10:48:22,880 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 10:48:22,880 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 10:48:22,881 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 10:48:22,881 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_dc80475d-68f8-449e-9c53-beb7a8be061e/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc80475d-68f8-449e-9c53-beb7a8be061e/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b4ab5f9a609d808b1cc730f70e246b6cee2b77e8055db2b71a14eb45eb69a8df [2023-11-26 10:48:23,199 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:48:23,235 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:48:23,239 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:48:23,241 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:48:23,242 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:48:23,243 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc80475d-68f8-449e-9c53-beb7a8be061e/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--amc6821.ko-main.cil.out.i [2023-11-26 10:48:26,436 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:48:27,005 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:48:27,005 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc80475d-68f8-449e-9c53-beb7a8be061e/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--amc6821.ko-main.cil.out.i [2023-11-26 10:48:27,059 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc80475d-68f8-449e-9c53-beb7a8be061e/bin/uautomizer-verify-VRDe98Ueme/data/63ed0196b/761e4b2abd784bb987265af6d1009167/FLAGd31185456 [2023-11-26 10:48:27,075 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc80475d-68f8-449e-9c53-beb7a8be061e/bin/uautomizer-verify-VRDe98Ueme/data/63ed0196b/761e4b2abd784bb987265af6d1009167 [2023-11-26 10:48:27,084 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:48:27,086 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:48:27,089 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:48:27,089 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:48:27,094 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:48:27,095 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:48:27" (1/1) ... [2023-11-26 10:48:27,096 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68badc8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:27, skipping insertion in model container [2023-11-26 10:48:27,096 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:48:27" (1/1) ... [2023-11-26 10:48:27,236 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:48:28,373 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_dc80475d-68f8-449e-9c53-beb7a8be061e/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--amc6821.ko-main.cil.out.i[139464,139477] [2023-11-26 10:48:28,456 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:48:28,504 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:48:28,826 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_dc80475d-68f8-449e-9c53-beb7a8be061e/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--amc6821.ko-main.cil.out.i[139464,139477] [2023-11-26 10:48:28,838 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:48:28,953 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 10:48:28,961 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:48:28,962 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:28 WrapperNode [2023-11-26 10:48:28,962 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:48:28,964 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:48:28,964 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:48:28,964 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:48:28,972 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:28" (1/1) ... [2023-11-26 10:48:29,056 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:28" (1/1) ... [2023-11-26 10:48:29,311 INFO L138 Inliner]: procedures = 138, calls = 1489, calls flagged for inlining = 60, calls inlined = 52, statements flattened = 4020 [2023-11-26 10:48:29,311 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:48:29,312 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:48:29,312 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:48:29,312 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:48:29,326 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:28" (1/1) ... [2023-11-26 10:48:29,326 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:28" (1/1) ... [2023-11-26 10:48:29,358 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:28" (1/1) ... [2023-11-26 10:48:29,565 INFO L175 MemorySlicer]: Split 946 memory accesses to 36 slices as follows [8, 2, 2, 4, 2, 2, 4, 10, 5, 5, 4, 4, 30, 486, 1, 65, 2, 4, 2, 2, 2, 2, 100, 2, 4, 4, 56, 64, 4, 4, 1, 4, 33, 3, 4, 15]. 51 percent of accesses are in the largest equivalence class. The 755 initializations are split as follows [8, 0, 2, 4, 2, 2, 4, 8, 3, 3, 0, 0, 30, 486, 0, 65, 2, 4, 0, 2, 2, 2, 0, 2, 4, 4, 0, 64, 4, 4, 0, 4, 33, 3, 4, 0]. The 97 writes are split as follows [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 46, 0, 0, 0, 48, 0, 0, 0, 0, 0, 0, 0, 0, 3]. [2023-11-26 10:48:29,571 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:28" (1/1) ... [2023-11-26 10:48:29,572 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:28" (1/1) ... [2023-11-26 10:48:29,668 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:28" (1/1) ... [2023-11-26 10:48:29,698 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:28" (1/1) ... [2023-11-26 10:48:29,736 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:28" (1/1) ... [2023-11-26 10:48:29,761 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:28" (1/1) ... [2023-11-26 10:48:29,798 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:48:29,800 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:48:29,800 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:48:29,800 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:48:29,802 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:28" (1/1) ... [2023-11-26 10:48:29,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:48:29,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc80475d-68f8-449e-9c53-beb7a8be061e/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:48:29,847 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc80475d-68f8-449e-9c53-beb7a8be061e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 10:48:29,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc80475d-68f8-449e-9c53-beb7a8be061e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 10:48:29,903 INFO L130 BoogieDeclarations]: Found specification of procedure get_pwm1_auto_point_pwm [2023-11-26 10:48:29,904 INFO L138 BoogieDeclarations]: Found implementation of procedure get_pwm1_auto_point_pwm [2023-11-26 10:48:29,904 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-26 10:48:29,904 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-26 10:48:29,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-26 10:48:29,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-26 10:48:29,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-26 10:48:29,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-26 10:48:29,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-26 10:48:29,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-26 10:48:29,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-26 10:48:29,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-26 10:48:29,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-11-26 10:48:29,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-11-26 10:48:29,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-11-26 10:48:29,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2023-11-26 10:48:29,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2023-11-26 10:48:29,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2023-11-26 10:48:29,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2023-11-26 10:48:29,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2023-11-26 10:48:29,910 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2023-11-26 10:48:29,910 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2023-11-26 10:48:29,910 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2023-11-26 10:48:29,910 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2023-11-26 10:48:29,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2023-11-26 10:48:29,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2023-11-26 10:48:29,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2023-11-26 10:48:29,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2023-11-26 10:48:29,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2023-11-26 10:48:29,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2023-11-26 10:48:29,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2023-11-26 10:48:29,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#27 [2023-11-26 10:48:29,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#28 [2023-11-26 10:48:29,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#29 [2023-11-26 10:48:29,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#30 [2023-11-26 10:48:29,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#31 [2023-11-26 10:48:29,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#32 [2023-11-26 10:48:29,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#33 [2023-11-26 10:48:29,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#34 [2023-11-26 10:48:29,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#35 [2023-11-26 10:48:29,916 INFO L130 BoogieDeclarations]: Found specification of procedure get_fan [2023-11-26 10:48:29,916 INFO L138 BoogieDeclarations]: Found implementation of procedure get_fan [2023-11-26 10:48:29,916 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2023-11-26 10:48:29,916 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2023-11-26 10:48:29,917 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2023-11-26 10:48:29,917 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2023-11-26 10:48:29,917 INFO L130 BoogieDeclarations]: Found specification of procedure amc6821_detect [2023-11-26 10:48:29,917 INFO L138 BoogieDeclarations]: Found implementation of procedure amc6821_detect [2023-11-26 10:48:29,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-26 10:48:29,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-26 10:48:29,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-26 10:48:29,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-26 10:48:29,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-26 10:48:29,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-26 10:48:29,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-26 10:48:29,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-26 10:48:29,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-26 10:48:29,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-26 10:48:29,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-11-26 10:48:29,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-11-26 10:48:29,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-11-26 10:48:29,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2023-11-26 10:48:29,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2023-11-26 10:48:29,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2023-11-26 10:48:29,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2023-11-26 10:48:29,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2023-11-26 10:48:29,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2023-11-26 10:48:29,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2023-11-26 10:48:29,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2023-11-26 10:48:29,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2023-11-26 10:48:29,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2023-11-26 10:48:29,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2023-11-26 10:48:29,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2023-11-26 10:48:29,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2023-11-26 10:48:29,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2023-11-26 10:48:29,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2023-11-26 10:48:29,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2023-11-26 10:48:29,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#27 [2023-11-26 10:48:29,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#28 [2023-11-26 10:48:29,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#29 [2023-11-26 10:48:29,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#30 [2023-11-26 10:48:29,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#31 [2023-11-26 10:48:29,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#32 [2023-11-26 10:48:29,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#33 [2023-11-26 10:48:29,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#34 [2023-11-26 10:48:29,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#35 [2023-11-26 10:48:29,926 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-26 10:48:29,926 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-26 10:48:29,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-26 10:48:29,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-26 10:48:29,927 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-26 10:48:29,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-26 10:48:29,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-26 10:48:29,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-26 10:48:29,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-26 10:48:29,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_amc6821_data [2023-11-26 10:48:29,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_amc6821_data [2023-11-26 10:48:29,928 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-11-26 10:48:29,928 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-11-26 10:48:29,929 INFO L130 BoogieDeclarations]: Found specification of procedure get_temp_auto_point_temp [2023-11-26 10:48:29,929 INFO L138 BoogieDeclarations]: Found implementation of procedure get_temp_auto_point_temp [2023-11-26 10:48:29,929 INFO L130 BoogieDeclarations]: Found specification of procedure set_slope_register [2023-11-26 10:48:29,929 INFO L138 BoogieDeclarations]: Found implementation of procedure set_slope_register [2023-11-26 10:48:29,929 INFO L130 BoogieDeclarations]: Found specification of procedure get_temp_alarm [2023-11-26 10:48:29,929 INFO L138 BoogieDeclarations]: Found implementation of procedure get_temp_alarm [2023-11-26 10:48:29,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 10:48:29,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-26 10:48:29,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-26 10:48:29,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-26 10:48:29,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-26 10:48:29,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2023-11-26 10:48:29,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2023-11-26 10:48:29,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2023-11-26 10:48:29,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2023-11-26 10:48:29,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2023-11-26 10:48:29,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2023-11-26 10:48:29,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2023-11-26 10:48:29,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2023-11-26 10:48:29,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2023-11-26 10:48:29,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2023-11-26 10:48:29,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2023-11-26 10:48:29,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2023-11-26 10:48:29,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2023-11-26 10:48:29,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2023-11-26 10:48:29,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2023-11-26 10:48:29,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2023-11-26 10:48:29,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2023-11-26 10:48:29,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2023-11-26 10:48:29,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2023-11-26 10:48:29,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2023-11-26 10:48:29,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2023-11-26 10:48:29,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#25 [2023-11-26 10:48:29,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#26 [2023-11-26 10:48:29,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#27 [2023-11-26 10:48:29,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#28 [2023-11-26 10:48:29,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#29 [2023-11-26 10:48:29,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#30 [2023-11-26 10:48:29,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#31 [2023-11-26 10:48:29,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#32 [2023-11-26 10:48:29,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#33 [2023-11-26 10:48:29,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#34 [2023-11-26 10:48:29,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#35 [2023-11-26 10:48:29,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 10:48:29,939 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-26 10:48:29,939 INFO L130 BoogieDeclarations]: Found specification of procedure SENSORS_LIMIT [2023-11-26 10:48:29,940 INFO L138 BoogieDeclarations]: Found implementation of procedure SENSORS_LIMIT [2023-11-26 10:48:29,940 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_read_byte_data [2023-11-26 10:48:29,940 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_byte_data [2023-11-26 10:48:29,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-26 10:48:29,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-26 10:48:29,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-26 10:48:29,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-26 10:48:29,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2023-11-26 10:48:29,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2023-11-26 10:48:29,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2023-11-26 10:48:29,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2023-11-26 10:48:29,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2023-11-26 10:48:29,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2023-11-26 10:48:29,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2023-11-26 10:48:29,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2023-11-26 10:48:29,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2023-11-26 10:48:29,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2023-11-26 10:48:29,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2023-11-26 10:48:29,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2023-11-26 10:48:29,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2023-11-26 10:48:29,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2023-11-26 10:48:29,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2023-11-26 10:48:29,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2023-11-26 10:48:29,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2023-11-26 10:48:29,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2023-11-26 10:48:29,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2023-11-26 10:48:29,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2023-11-26 10:48:29,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2023-11-26 10:48:29,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#25 [2023-11-26 10:48:29,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#26 [2023-11-26 10:48:29,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#27 [2023-11-26 10:48:29,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#28 [2023-11-26 10:48:29,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#29 [2023-11-26 10:48:29,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#30 [2023-11-26 10:48:29,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#31 [2023-11-26 10:48:29,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#32 [2023-11-26 10:48:29,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#33 [2023-11-26 10:48:29,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#34 [2023-11-26 10:48:29,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#35 [2023-11-26 10:48:29,959 INFO L130 BoogieDeclarations]: Found specification of procedure amc6821_update_device [2023-11-26 10:48:29,959 INFO L138 BoogieDeclarations]: Found implementation of procedure amc6821_update_device [2023-11-26 10:48:29,959 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtol [2023-11-26 10:48:29,960 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtol [2023-11-26 10:48:29,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 10:48:29,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-26 10:48:29,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-26 10:48:29,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2023-11-26 10:48:29,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2023-11-26 10:48:29,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2023-11-26 10:48:29,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2023-11-26 10:48:29,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2023-11-26 10:48:29,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2023-11-26 10:48:29,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2023-11-26 10:48:29,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2023-11-26 10:48:29,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2023-11-26 10:48:29,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2023-11-26 10:48:29,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2023-11-26 10:48:29,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2023-11-26 10:48:29,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2023-11-26 10:48:29,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2023-11-26 10:48:29,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2023-11-26 10:48:29,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2023-11-26 10:48:29,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2023-11-26 10:48:29,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2023-11-26 10:48:29,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2023-11-26 10:48:29,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2023-11-26 10:48:29,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2023-11-26 10:48:29,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2023-11-26 10:48:29,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#24 [2023-11-26 10:48:29,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#25 [2023-11-26 10:48:29,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#26 [2023-11-26 10:48:29,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#27 [2023-11-26 10:48:29,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#28 [2023-11-26 10:48:29,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#29 [2023-11-26 10:48:29,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#30 [2023-11-26 10:48:29,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#31 [2023-11-26 10:48:29,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#32 [2023-11-26 10:48:29,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#33 [2023-11-26 10:48:29,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#34 [2023-11-26 10:48:29,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#35 [2023-11-26 10:48:29,965 INFO L130 BoogieDeclarations]: Found specification of procedure get_temp [2023-11-26 10:48:29,965 INFO L138 BoogieDeclarations]: Found implementation of procedure get_temp [2023-11-26 10:48:29,965 INFO L130 BoogieDeclarations]: Found specification of procedure set_temp [2023-11-26 10:48:29,966 INFO L138 BoogieDeclarations]: Found implementation of procedure set_temp [2023-11-26 10:48:29,966 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-26 10:48:29,966 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-26 10:48:29,966 INFO L130 BoogieDeclarations]: Found specification of procedure set_fan [2023-11-26 10:48:29,966 INFO L138 BoogieDeclarations]: Found implementation of procedure set_fan [2023-11-26 10:48:29,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 10:48:29,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-26 10:48:29,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-26 10:48:29,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-26 10:48:29,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-26 10:48:29,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-26 10:48:29,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-26 10:48:29,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-26 10:48:29,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-11-26 10:48:29,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-11-26 10:48:29,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-11-26 10:48:29,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-11-26 10:48:29,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2023-11-26 10:48:29,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2023-11-26 10:48:29,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2023-11-26 10:48:29,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2023-11-26 10:48:29,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2023-11-26 10:48:29,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2023-11-26 10:48:29,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2023-11-26 10:48:29,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2023-11-26 10:48:29,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2023-11-26 10:48:29,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2023-11-26 10:48:29,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2023-11-26 10:48:29,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2023-11-26 10:48:29,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2023-11-26 10:48:29,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2023-11-26 10:48:29,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2023-11-26 10:48:29,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#27 [2023-11-26 10:48:29,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#28 [2023-11-26 10:48:29,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#29 [2023-11-26 10:48:29,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#30 [2023-11-26 10:48:29,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#31 [2023-11-26 10:48:29,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#32 [2023-11-26 10:48:29,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#33 [2023-11-26 10:48:29,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#34 [2023-11-26 10:48:29,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#35 [2023-11-26 10:48:29,971 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_write_byte_data [2023-11-26 10:48:29,972 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_write_byte_data [2023-11-26 10:48:29,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_amc6821_data [2023-11-26 10:48:29,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_amc6821_data [2023-11-26 10:48:29,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:48:29,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:48:29,972 INFO L130 BoogieDeclarations]: Found specification of procedure set_temp_auto_point_temp [2023-11-26 10:48:29,973 INFO L138 BoogieDeclarations]: Found implementation of procedure set_temp_auto_point_temp [2023-11-26 10:48:29,977 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-26 10:48:29,978 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-26 10:48:30,739 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:48:30,743 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:48:34,734 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:48:35,304 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:48:35,304 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-26 10:48:35,305 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:48:35 BoogieIcfgContainer [2023-11-26 10:48:35,306 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:48:35,309 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 10:48:35,311 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 10:48:35,314 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 10:48:35,315 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 10:48:27" (1/3) ... [2023-11-26 10:48:35,317 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c7aa11b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:48:35, skipping insertion in model container [2023-11-26 10:48:35,317 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:28" (2/3) ... [2023-11-26 10:48:35,317 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c7aa11b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:48:35, skipping insertion in model container [2023-11-26 10:48:35,318 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:48:35" (3/3) ... [2023-11-26 10:48:35,319 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--hwmon--amc6821.ko-main.cil.out.i [2023-11-26 10:48:35,341 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 10:48:35,341 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 10:48:35,449 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 10:48:35,459 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;@fca2c5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 10:48:35,459 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 10:48:35,471 INFO L276 IsEmpty]: Start isEmpty. Operand has 893 states, 664 states have (on average 1.5753012048192772) internal successors, (1046), 671 states have internal predecessors, (1046), 199 states have call successors, (199), 28 states have call predecessors, (199), 28 states have return successors, (199), 199 states have call predecessors, (199), 199 states have call successors, (199) [2023-11-26 10:48:35,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-26 10:48:35,512 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:48:35,513 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] [2023-11-26 10:48:35,514 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:48:35,522 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:48:35,523 INFO L85 PathProgramCache]: Analyzing trace with hash 307823654, now seen corresponding path program 1 times [2023-11-26 10:48:35,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:48:35,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207143542] [2023-11-26 10:48:35,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:35,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:48:36,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:36,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-26 10:48:36,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:36,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:48:36,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:36,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:48:36,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:48:36,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207143542] [2023-11-26 10:48:36,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207143542] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:48:36,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:48:36,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 10:48:36,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899742863] [2023-11-26 10:48:36,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:48:36,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 10:48:36,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:48:36,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 10:48:36,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 10:48:36,644 INFO L87 Difference]: Start difference. First operand has 893 states, 664 states have (on average 1.5753012048192772) internal successors, (1046), 671 states have internal predecessors, (1046), 199 states have call successors, (199), 28 states have call predecessors, (199), 28 states have return successors, (199), 199 states have call predecessors, (199), 199 states have call successors, (199) Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 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) [2023-11-26 10:48:39,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:48:39,246 INFO L93 Difference]: Finished difference Result 2810 states and 4753 transitions. [2023-11-26 10:48:39,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 10:48:39,249 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 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 30 [2023-11-26 10:48:39,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:48:39,280 INFO L225 Difference]: With dead ends: 2810 [2023-11-26 10:48:39,280 INFO L226 Difference]: Without dead ends: 1914 [2023-11-26 10:48:39,295 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:48:39,299 INFO L413 NwaCegarLoop]: 1401 mSDtfsCounter, 1526 mSDsluCounter, 2204 mSDsCounter, 0 mSdLazyCounter, 726 mSolverCounterSat, 433 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1672 SdHoareTripleChecker+Valid, 3605 SdHoareTripleChecker+Invalid, 1159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 433 IncrementalHoareTripleChecker+Valid, 726 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-11-26 10:48:39,300 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1672 Valid, 3605 Invalid, 1159 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [433 Valid, 726 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-11-26 10:48:39,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1914 states. [2023-11-26 10:48:39,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1914 to 1761. [2023-11-26 10:48:39,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1761 states, 1315 states have (on average 1.561977186311787) internal successors, (2054), 1320 states have internal predecessors, (2054), 391 states have call successors, (391), 55 states have call predecessors, (391), 54 states have return successors, (385), 385 states have call predecessors, (385), 385 states have call successors, (385) [2023-11-26 10:48:39,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1761 states to 1761 states and 2830 transitions. [2023-11-26 10:48:39,532 INFO L78 Accepts]: Start accepts. Automaton has 1761 states and 2830 transitions. Word has length 30 [2023-11-26 10:48:39,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:48:39,532 INFO L495 AbstractCegarLoop]: Abstraction has 1761 states and 2830 transitions. [2023-11-26 10:48:39,533 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 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) [2023-11-26 10:48:39,533 INFO L276 IsEmpty]: Start isEmpty. Operand 1761 states and 2830 transitions. [2023-11-26 10:48:39,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-26 10:48:39,536 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:48:39,536 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] [2023-11-26 10:48:39,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 10:48:39,537 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:48:39,537 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:48:39,537 INFO L85 PathProgramCache]: Analyzing trace with hash 878206021, now seen corresponding path program 1 times [2023-11-26 10:48:39,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:48:39,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372694855] [2023-11-26 10:48:39,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:39,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:48:39,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:39,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-26 10:48:39,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:39,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:48:39,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:39,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:48:39,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:48:39,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372694855] [2023-11-26 10:48:39,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372694855] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:48:39,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:48:39,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 10:48:39,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205730369] [2023-11-26 10:48:39,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:48:39,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 10:48:39,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:48:39,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 10:48:39,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 10:48:39,955 INFO L87 Difference]: Start difference. First operand 1761 states and 2830 transitions. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 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) [2023-11-26 10:48:42,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:48:42,407 INFO L93 Difference]: Finished difference Result 5543 states and 9002 transitions. [2023-11-26 10:48:42,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 10:48:42,408 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 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 31 [2023-11-26 10:48:42,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:48:42,444 INFO L225 Difference]: With dead ends: 5543 [2023-11-26 10:48:42,444 INFO L226 Difference]: Without dead ends: 3783 [2023-11-26 10:48:42,455 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:48:42,457 INFO L413 NwaCegarLoop]: 1410 mSDtfsCounter, 1516 mSDsluCounter, 2207 mSDsCounter, 0 mSdLazyCounter, 729 mSolverCounterSat, 431 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1662 SdHoareTripleChecker+Valid, 3617 SdHoareTripleChecker+Invalid, 1160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 431 IncrementalHoareTripleChecker+Valid, 729 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-11-26 10:48:42,457 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1662 Valid, 3617 Invalid, 1160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [431 Valid, 729 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-11-26 10:48:42,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3783 states. [2023-11-26 10:48:42,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3783 to 3490. [2023-11-26 10:48:42,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3490 states, 2609 states have (on average 1.560751245688003) internal successors, (4072), 2614 states have internal predecessors, (4072), 772 states have call successors, (772), 109 states have call predecessors, (772), 108 states have return successors, (766), 766 states have call predecessors, (766), 766 states have call successors, (766) [2023-11-26 10:48:42,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3490 states to 3490 states and 5610 transitions. [2023-11-26 10:48:42,723 INFO L78 Accepts]: Start accepts. Automaton has 3490 states and 5610 transitions. Word has length 31 [2023-11-26 10:48:42,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:48:42,724 INFO L495 AbstractCegarLoop]: Abstraction has 3490 states and 5610 transitions. [2023-11-26 10:48:42,724 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 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) [2023-11-26 10:48:42,724 INFO L276 IsEmpty]: Start isEmpty. Operand 3490 states and 5610 transitions. [2023-11-26 10:48:42,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-26 10:48:42,726 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:48:42,726 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] [2023-11-26 10:48:42,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 10:48:42,727 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:48:42,728 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:48:42,728 INFO L85 PathProgramCache]: Analyzing trace with hash -710865538, now seen corresponding path program 1 times [2023-11-26 10:48:42,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:48:42,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236803689] [2023-11-26 10:48:42,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:42,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:48:42,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:43,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-26 10:48:43,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:43,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:48:43,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:43,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:48:43,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:48:43,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236803689] [2023-11-26 10:48:43,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236803689] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:48:43,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:48:43,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 10:48:43,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879315564] [2023-11-26 10:48:43,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:48:43,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 10:48:43,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:48:43,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 10:48:43,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 10:48:43,105 INFO L87 Difference]: Start difference. First operand 3490 states and 5610 transitions. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 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) [2023-11-26 10:48:45,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:48:45,681 INFO L93 Difference]: Finished difference Result 11008 states and 17880 transitions. [2023-11-26 10:48:45,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 10:48:45,682 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 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 26 [2023-11-26 10:48:45,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:48:45,755 INFO L225 Difference]: With dead ends: 11008 [2023-11-26 10:48:45,755 INFO L226 Difference]: Without dead ends: 7519 [2023-11-26 10:48:45,778 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:48:45,781 INFO L413 NwaCegarLoop]: 1426 mSDtfsCounter, 1528 mSDsluCounter, 2224 mSDsCounter, 0 mSdLazyCounter, 728 mSolverCounterSat, 430 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1674 SdHoareTripleChecker+Valid, 3650 SdHoareTripleChecker+Invalid, 1158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 430 IncrementalHoareTripleChecker+Valid, 728 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-11-26 10:48:45,782 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1674 Valid, 3650 Invalid, 1158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [430 Valid, 728 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-11-26 10:48:45,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7519 states. [2023-11-26 10:48:46,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7519 to 6946. [2023-11-26 10:48:46,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6946 states, 5195 states have (on average 1.5595765158806545) internal successors, (8102), 5200 states have internal predecessors, (8102), 1534 states have call successors, (1534), 217 states have call predecessors, (1534), 216 states have return successors, (1528), 1528 states have call predecessors, (1528), 1528 states have call successors, (1528) [2023-11-26 10:48:46,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6946 states to 6946 states and 11164 transitions. [2023-11-26 10:48:46,270 INFO L78 Accepts]: Start accepts. Automaton has 6946 states and 11164 transitions. Word has length 26 [2023-11-26 10:48:46,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:48:46,271 INFO L495 AbstractCegarLoop]: Abstraction has 6946 states and 11164 transitions. [2023-11-26 10:48:46,271 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 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) [2023-11-26 10:48:46,271 INFO L276 IsEmpty]: Start isEmpty. Operand 6946 states and 11164 transitions. [2023-11-26 10:48:46,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-26 10:48:46,274 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:48:46,274 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] [2023-11-26 10:48:46,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 10:48:46,275 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:48:46,275 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:48:46,275 INFO L85 PathProgramCache]: Analyzing trace with hash 2137387940, now seen corresponding path program 1 times [2023-11-26 10:48:46,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:48:46,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606662792] [2023-11-26 10:48:46,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:46,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:48:46,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:46,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-26 10:48:46,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:46,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:48:46,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:46,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:48:46,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:48:46,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606662792] [2023-11-26 10:48:46,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606662792] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:48:46,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:48:46,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 10:48:46,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291913066] [2023-11-26 10:48:46,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:48:46,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 10:48:46,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:48:46,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 10:48:46,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 10:48:46,749 INFO L87 Difference]: Start difference. First operand 6946 states and 11164 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) [2023-11-26 10:48:49,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:48:49,519 INFO L93 Difference]: Finished difference Result 21884 states and 35538 transitions. [2023-11-26 10:48:49,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 10:48:49,520 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 [2023-11-26 10:48:49,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:48:49,700 INFO L225 Difference]: With dead ends: 21884 [2023-11-26 10:48:49,702 INFO L226 Difference]: Without dead ends: 14939 [2023-11-26 10:48:49,758 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:48:49,766 INFO L413 NwaCegarLoop]: 1436 mSDtfsCounter, 1515 mSDsluCounter, 2229 mSDsCounter, 0 mSdLazyCounter, 734 mSolverCounterSat, 428 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1661 SdHoareTripleChecker+Valid, 3665 SdHoareTripleChecker+Invalid, 1162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 428 IncrementalHoareTripleChecker+Valid, 734 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:48:49,767 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1661 Valid, 3665 Invalid, 1162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [428 Valid, 734 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-11-26 10:48:49,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14939 states. [2023-11-26 10:48:50,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14939 to 13806. [2023-11-26 10:48:50,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13806 states, 10327 states have (on average 1.5580517091120365) internal successors, (16090), 10332 states have internal predecessors, (16090), 3046 states have call successors, (3046), 433 states have call predecessors, (3046), 432 states have return successors, (3040), 3040 states have call predecessors, (3040), 3040 states have call successors, (3040) [2023-11-26 10:48:50,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13806 states to 13806 states and 22176 transitions. [2023-11-26 10:48:50,891 INFO L78 Accepts]: Start accepts. Automaton has 13806 states and 22176 transitions. Word has length 32 [2023-11-26 10:48:50,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:48:50,891 INFO L495 AbstractCegarLoop]: Abstraction has 13806 states and 22176 transitions. [2023-11-26 10:48:50,892 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) [2023-11-26 10:48:50,893 INFO L276 IsEmpty]: Start isEmpty. Operand 13806 states and 22176 transitions. [2023-11-26 10:48:50,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-26 10:48:50,895 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:48:50,895 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] [2023-11-26 10:48:50,896 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-26 10:48:50,896 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:48:50,896 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:48:50,897 INFO L85 PathProgramCache]: Analyzing trace with hash 161335085, now seen corresponding path program 1 times [2023-11-26 10:48:50,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:48:50,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940010202] [2023-11-26 10:48:50,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:50,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:48:51,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:51,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-26 10:48:51,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:51,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:48:51,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:51,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:48:51,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:48:51,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940010202] [2023-11-26 10:48:51,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940010202] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:48:51,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:48:51,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 10:48:51,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565232947] [2023-11-26 10:48:51,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:48:51,261 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 10:48:51,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:48:51,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 10:48:51,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 10:48:51,262 INFO L87 Difference]: Start difference. First operand 13806 states and 22176 transitions. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-26 10:48:54,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:48:54,622 INFO L93 Difference]: Finished difference Result 43512 states and 70606 transitions. [2023-11-26 10:48:54,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 10:48:54,622 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 25 [2023-11-26 10:48:54,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:48:54,850 INFO L225 Difference]: With dead ends: 43512 [2023-11-26 10:48:54,851 INFO L226 Difference]: Without dead ends: 29707 [2023-11-26 10:48:54,926 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:48:54,927 INFO L413 NwaCegarLoop]: 1452 mSDtfsCounter, 1520 mSDsluCounter, 2246 mSDsCounter, 0 mSdLazyCounter, 733 mSolverCounterSat, 427 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1666 SdHoareTripleChecker+Valid, 3698 SdHoareTripleChecker+Invalid, 1160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 427 IncrementalHoareTripleChecker+Valid, 733 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-11-26 10:48:54,928 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1666 Valid, 3698 Invalid, 1160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [427 Valid, 733 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-11-26 10:48:54,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29707 states. [2023-11-26 10:48:57,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29707 to 27454. [2023-11-26 10:48:57,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27454 states, 20519 states have (on average 1.5561187192358301) internal successors, (31930), 20524 states have internal predecessors, (31930), 6070 states have call successors, (6070), 865 states have call predecessors, (6070), 864 states have return successors, (6064), 6064 states have call predecessors, (6064), 6064 states have call successors, (6064) [2023-11-26 10:48:57,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27454 states to 27454 states and 44064 transitions. [2023-11-26 10:48:57,341 INFO L78 Accepts]: Start accepts. Automaton has 27454 states and 44064 transitions. Word has length 25 [2023-11-26 10:48:57,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:48:57,341 INFO L495 AbstractCegarLoop]: Abstraction has 27454 states and 44064 transitions. [2023-11-26 10:48:57,342 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-26 10:48:57,342 INFO L276 IsEmpty]: Start isEmpty. Operand 27454 states and 44064 transitions. [2023-11-26 10:48:57,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-26 10:48:57,345 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:48:57,345 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] [2023-11-26 10:48:57,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-26 10:48:57,345 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:48:57,346 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:48:57,346 INFO L85 PathProgramCache]: Analyzing trace with hash 705315829, now seen corresponding path program 1 times [2023-11-26 10:48:57,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:48:57,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412922923] [2023-11-26 10:48:57,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:57,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:48:57,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:57,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-26 10:48:57,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:57,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:48:57,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:57,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:48:57,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:48:57,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412922923] [2023-11-26 10:48:57,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [412922923] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:48:57,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:48:57,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 10:48:57,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841718219] [2023-11-26 10:48:57,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:48:57,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 10:48:57,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:48:57,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 10:48:57,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 10:48:57,903 INFO L87 Difference]: Start difference. First operand 27454 states and 44064 transitions. Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-26 10:49:02,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:49:02,640 INFO L93 Difference]: Finished difference Result 86680 states and 140542 transitions. [2023-11-26 10:49:02,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 10:49:02,640 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 26 [2023-11-26 10:49:02,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:49:03,089 INFO L225 Difference]: With dead ends: 86680 [2023-11-26 10:49:03,089 INFO L226 Difference]: Without dead ends: 59227 [2023-11-26 10:49:03,327 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:49:03,328 INFO L413 NwaCegarLoop]: 1469 mSDtfsCounter, 1526 mSDsluCounter, 2262 mSDsCounter, 0 mSdLazyCounter, 735 mSolverCounterSat, 426 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1672 SdHoareTripleChecker+Valid, 3731 SdHoareTripleChecker+Invalid, 1161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 426 IncrementalHoareTripleChecker+Valid, 735 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-11-26 10:49:03,328 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1672 Valid, 3731 Invalid, 1161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [426 Valid, 735 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-11-26 10:49:03,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59227 states. [2023-11-26 10:49:06,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59227 to 54734.