./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pf.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_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pf.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya --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 65cc93bea37c503291576929a444106bffa9d5b7b84b8d294ee7e7120b60ffa5 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 06:35:26,760 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 06:35:26,830 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-29 06:35:26,834 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 06:35:26,835 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 06:35:26,859 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 06:35:26,860 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 06:35:26,861 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 06:35:26,862 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 06:35:26,862 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 06:35:26,863 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 06:35:26,863 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 06:35:26,864 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 06:35:26,865 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 06:35:26,865 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 06:35:26,866 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 06:35:26,866 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 06:35:26,867 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 06:35:26,867 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 06:35:26,868 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 06:35:26,868 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 06:35:26,869 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 06:35:26,870 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 06:35:26,870 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 06:35:26,871 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 06:35:26,871 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 06:35:26,872 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 06:35:26,872 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 06:35:26,873 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:35:26,873 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 06:35:26,874 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 06:35:26,874 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 06:35:26,875 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 06:35:26,875 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 06:35:26,875 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 06:35:26,876 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 06:35:26,876 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 06:35:26,876 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 06:35:26,876 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 06:35:26,876 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_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 65cc93bea37c503291576929a444106bffa9d5b7b84b8d294ee7e7120b60ffa5 [2023-11-29 06:35:27,106 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 06:35:27,124 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 06:35:27,126 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 06:35:27,127 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 06:35:27,128 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 06:35:27,129 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pf.ko-main.cil.out.i [2023-11-29 06:35:29,914 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 06:35:30,267 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 06:35:30,268 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pf.ko-main.cil.out.i [2023-11-29 06:35:30,296 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/data/bdb0e1dd5/3335804813944bb0a28caed25bb0ec52/FLAG3fa85e365 [2023-11-29 06:35:30,312 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/data/bdb0e1dd5/3335804813944bb0a28caed25bb0ec52 [2023-11-29 06:35:30,315 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 06:35:30,316 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 06:35:30,318 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 06:35:30,318 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 06:35:30,323 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 06:35:30,324 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:35:30" (1/1) ... [2023-11-29 06:35:30,325 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d26fa34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:35:30, skipping insertion in model container [2023-11-29 06:35:30,325 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:35:30" (1/1) ... [2023-11-29 06:35:30,426 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 06:35:31,319 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_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pf.ko-main.cil.out.i[138616,138629] [2023-11-29 06:35:31,398 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:35:31,432 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 06:35:31,609 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_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pf.ko-main.cil.out.i[138616,138629] [2023-11-29 06:35:31,624 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:35:31,667 INFO L206 MainTranslator]: Completed translation [2023-11-29 06:35:31,667 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:35:31 WrapperNode [2023-11-29 06:35:31,668 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 06:35:31,669 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 06:35:31,669 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 06:35:31,669 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 06:35:31,675 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:35:31" (1/1) ... [2023-11-29 06:35:31,716 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:35:31" (1/1) ... [2023-11-29 06:35:31,775 INFO L138 Inliner]: procedures = 161, calls = 847, calls flagged for inlining = 53, calls inlined = 28, statements flattened = 1179 [2023-11-29 06:35:31,776 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 06:35:31,776 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 06:35:31,776 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 06:35:31,776 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 06:35:31,785 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:35:31" (1/1) ... [2023-11-29 06:35:31,785 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:35:31" (1/1) ... [2023-11-29 06:35:31,798 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:35:31" (1/1) ... [2023-11-29 06:35:31,869 INFO L175 MemorySlicer]: Split 403 memory accesses to 22 slices as follows [2, 3, 3, 72, 3, 5, 22, 3, 5, 37, 18, 8, 11, 10, 10, 6, 2, 1, 13, 152, 11, 6]. 38 percent of accesses are in the largest equivalence class. The 185 initializations are split as follows [2, 3, 0, 0, 0, 5, 22, 0, 5, 28, 18, 4, 11, 10, 10, 0, 0, 0, 13, 54, 0, 0]. The 117 writes are split as follows [0, 0, 0, 72, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 5, 2, 0, 0, 29, 1, 6]. [2023-11-29 06:35:31,869 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:35:31" (1/1) ... [2023-11-29 06:35:31,870 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:35:31" (1/1) ... [2023-11-29 06:35:31,916 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:35:31" (1/1) ... [2023-11-29 06:35:31,927 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:35:31" (1/1) ... [2023-11-29 06:35:31,941 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:35:31" (1/1) ... [2023-11-29 06:35:31,950 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:35:31" (1/1) ... [2023-11-29 06:35:31,966 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 06:35:31,966 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 06:35:31,967 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 06:35:31,967 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 06:35:31,968 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:35:31" (1/1) ... [2023-11-29 06:35:31,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:35:31,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:35:31,999 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 06:35:32,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 06:35:32,027 INFO L130 BoogieDeclarations]: Found specification of procedure pi_release [2023-11-29 06:35:32,028 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_release [2023-11-29 06:35:32,028 INFO L130 BoogieDeclarations]: Found specification of procedure pf_getgeo [2023-11-29 06:35:32,028 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_getgeo [2023-11-29 06:35:32,028 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2023-11-29 06:35:32,028 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2023-11-29 06:35:32,028 INFO L130 BoogieDeclarations]: Found specification of procedure pi_disconnect [2023-11-29 06:35:32,028 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_disconnect [2023-11-29 06:35:32,028 INFO L130 BoogieDeclarations]: Found specification of procedure status_reg [2023-11-29 06:35:32,029 INFO L138 BoogieDeclarations]: Found implementation of procedure status_reg [2023-11-29 06:35:32,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2023-11-29 06:35:32,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2023-11-29 06:35:32,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2023-11-29 06:35:32,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2023-11-29 06:35:32,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2023-11-29 06:35:32,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2023-11-29 06:35:32,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2023-11-29 06:35:32,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2023-11-29 06:35:32,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2023-11-29 06:35:32,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2023-11-29 06:35:32,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2023-11-29 06:35:32,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2023-11-29 06:35:32,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2023-11-29 06:35:32,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2023-11-29 06:35:32,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2023-11-29 06:35:32,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2023-11-29 06:35:32,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2023-11-29 06:35:32,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2023-11-29 06:35:32,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2023-11-29 06:35:32,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2023-11-29 06:35:32,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2023-11-29 06:35:32,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2023-11-29 06:35:32,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_pf_mutex [2023-11-29 06:35:32,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_pf_mutex [2023-11-29 06:35:32,066 INFO L130 BoogieDeclarations]: Found specification of procedure pf_reset [2023-11-29 06:35:32,066 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_reset [2023-11-29 06:35:32,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 06:35:32,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-29 06:35:32,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-29 06:35:32,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-29 06:35:32,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-29 06:35:32,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-29 06:35:32,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-29 06:35:32,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-29 06:35:32,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-11-29 06:35:32,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-11-29 06:35:32,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-11-29 06:35:32,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2023-11-29 06:35:32,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2023-11-29 06:35:32,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2023-11-29 06:35:32,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2023-11-29 06:35:32,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2023-11-29 06:35:32,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2023-11-29 06:35:32,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2023-11-29 06:35:32,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2023-11-29 06:35:32,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2023-11-29 06:35:32,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2023-11-29 06:35:32,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2023-11-29 06:35:32,069 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_block [2023-11-29 06:35:32,069 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_block [2023-11-29 06:35:32,069 INFO L130 BoogieDeclarations]: Found specification of procedure pf_wait [2023-11-29 06:35:32,069 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_wait [2023-11-29 06:35:32,069 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2023-11-29 06:35:32,069 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2023-11-29 06:35:32,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-29 06:35:32,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-29 06:35:32,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_pf_mutex [2023-11-29 06:35:32,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_pf_mutex [2023-11-29 06:35:32,070 INFO L130 BoogieDeclarations]: Found specification of procedure pf_check_events [2023-11-29 06:35:32,070 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_check_events [2023-11-29 06:35:32,070 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2023-11-29 06:35:32,071 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2023-11-29 06:35:32,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 06:35:32,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 06:35:32,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-29 06:35:32,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-29 06:35:32,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-29 06:35:32,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-29 06:35:32,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-29 06:35:32,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-29 06:35:32,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-11-29 06:35:32,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-11-29 06:35:32,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-11-29 06:35:32,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2023-11-29 06:35:32,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2023-11-29 06:35:32,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2023-11-29 06:35:32,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2023-11-29 06:35:32,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2023-11-29 06:35:32,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2023-11-29 06:35:32,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2023-11-29 06:35:32,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2023-11-29 06:35:32,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2023-11-29 06:35:32,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2023-11-29 06:35:32,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2023-11-29 06:35:32,077 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-29 06:35:32,077 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-29 06:35:32,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-29 06:35:32,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-29 06:35:32,078 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2023-11-29 06:35:32,078 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2023-11-29 06:35:32,078 INFO L130 BoogieDeclarations]: Found specification of procedure pf_req_sense [2023-11-29 06:35:32,078 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_req_sense [2023-11-29 06:35:32,078 INFO L130 BoogieDeclarations]: Found specification of procedure pf_completion [2023-11-29 06:35:32,078 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_completion [2023-11-29 06:35:32,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-29 06:35:32,079 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-11-29 06:35:32,079 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-11-29 06:35:32,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 06:35:32,079 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-29 06:35:32,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-29 06:35:32,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 06:35:32,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-29 06:35:32,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-29 06:35:32,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-29 06:35:32,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-29 06:35:32,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2023-11-29 06:35:32,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2023-11-29 06:35:32,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2023-11-29 06:35:32,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2023-11-29 06:35:32,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2023-11-29 06:35:32,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2023-11-29 06:35:32,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2023-11-29 06:35:32,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2023-11-29 06:35:32,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2023-11-29 06:35:32,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2023-11-29 06:35:32,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2023-11-29 06:35:32,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2023-11-29 06:35:32,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2023-11-29 06:35:32,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2023-11-29 06:35:32,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2023-11-29 06:35:32,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2023-11-29 06:35:32,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2023-11-29 06:35:32,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2023-11-29 06:35:32,083 INFO L130 BoogieDeclarations]: Found specification of procedure pf_atapi [2023-11-29 06:35:32,083 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_atapi [2023-11-29 06:35:32,083 INFO L130 BoogieDeclarations]: Found specification of procedure pf_command [2023-11-29 06:35:32,084 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_command [2023-11-29 06:35:32,084 INFO L130 BoogieDeclarations]: Found specification of procedure pf_probe [2023-11-29 06:35:32,084 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_probe [2023-11-29 06:35:32,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-29 06:35:32,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-29 06:35:32,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-29 06:35:32,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-29 06:35:32,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2023-11-29 06:35:32,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2023-11-29 06:35:32,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2023-11-29 06:35:32,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2023-11-29 06:35:32,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2023-11-29 06:35:32,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2023-11-29 06:35:32,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2023-11-29 06:35:32,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2023-11-29 06:35:32,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2023-11-29 06:35:32,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2023-11-29 06:35:32,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2023-11-29 06:35:32,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2023-11-29 06:35:32,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2023-11-29 06:35:32,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2023-11-29 06:35:32,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2023-11-29 06:35:32,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2023-11-29 06:35:32,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2023-11-29 06:35:32,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2023-11-29 06:35:32,090 INFO L130 BoogieDeclarations]: Found specification of procedure pf_identify [2023-11-29 06:35:32,090 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_identify [2023-11-29 06:35:32,090 INFO L130 BoogieDeclarations]: Found specification of procedure pf_sleep [2023-11-29 06:35:32,090 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_sleep [2023-11-29 06:35:32,090 INFO L130 BoogieDeclarations]: Found specification of procedure pf_mode_sense [2023-11-29 06:35:32,091 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_mode_sense [2023-11-29 06:35:32,091 INFO L130 BoogieDeclarations]: Found specification of procedure pi_write_block [2023-11-29 06:35:32,091 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_write_block [2023-11-29 06:35:32,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 06:35:32,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-29 06:35:32,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-29 06:35:32,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2023-11-29 06:35:32,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2023-11-29 06:35:32,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2023-11-29 06:35:32,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2023-11-29 06:35:32,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2023-11-29 06:35:32,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2023-11-29 06:35:32,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2023-11-29 06:35:32,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2023-11-29 06:35:32,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2023-11-29 06:35:32,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2023-11-29 06:35:32,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2023-11-29 06:35:32,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2023-11-29 06:35:32,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2023-11-29 06:35:32,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2023-11-29 06:35:32,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2023-11-29 06:35:32,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2023-11-29 06:35:32,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2023-11-29 06:35:32,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2023-11-29 06:35:32,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2023-11-29 06:35:32,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2023-11-29 06:35:32,093 INFO L130 BoogieDeclarations]: Found specification of procedure pi_init [2023-11-29 06:35:32,093 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_init [2023-11-29 06:35:32,094 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_regr [2023-11-29 06:35:32,094 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_regr [2023-11-29 06:35:32,094 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-29 06:35:32,094 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-29 06:35:32,094 INFO L130 BoogieDeclarations]: Found specification of procedure pi_connect [2023-11-29 06:35:32,094 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_connect [2023-11-29 06:35:32,094 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2023-11-29 06:35:32,094 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2023-11-29 06:35:32,094 INFO L130 BoogieDeclarations]: Found specification of procedure get_capacity [2023-11-29 06:35:32,094 INFO L138 BoogieDeclarations]: Found implementation of procedure get_capacity [2023-11-29 06:35:32,095 INFO L130 BoogieDeclarations]: Found specification of procedure pf_lock [2023-11-29 06:35:32,095 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_lock [2023-11-29 06:35:32,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 06:35:32,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 06:35:32,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-29 06:35:32,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-29 06:35:32,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-29 06:35:32,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-29 06:35:32,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-29 06:35:32,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-29 06:35:32,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-11-29 06:35:32,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-11-29 06:35:32,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-11-29 06:35:32,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-11-29 06:35:32,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2023-11-29 06:35:32,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2023-11-29 06:35:32,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2023-11-29 06:35:32,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2023-11-29 06:35:32,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2023-11-29 06:35:32,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2023-11-29 06:35:32,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2023-11-29 06:35:32,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2023-11-29 06:35:32,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2023-11-29 06:35:32,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2023-11-29 06:35:32,097 INFO L130 BoogieDeclarations]: Found specification of procedure xl [2023-11-29 06:35:32,097 INFO L138 BoogieDeclarations]: Found implementation of procedure xl [2023-11-29 06:35:32,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 06:35:32,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 06:35:32,098 INFO L130 BoogieDeclarations]: Found specification of procedure xs [2023-11-29 06:35:32,098 INFO L138 BoogieDeclarations]: Found implementation of procedure xs [2023-11-29 06:35:32,098 INFO L130 BoogieDeclarations]: Found specification of procedure pf_ioctl [2023-11-29 06:35:32,098 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_ioctl [2023-11-29 06:35:32,494 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 06:35:32,498 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 06:35:35,241 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 06:35:35,387 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 06:35:35,387 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-29 06:35:35,388 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:35:35 BoogieIcfgContainer [2023-11-29 06:35:35,388 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 06:35:35,392 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 06:35:35,392 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 06:35:35,396 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 06:35:35,396 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 06:35:30" (1/3) ... [2023-11-29 06:35:35,397 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e829ab0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:35:35, skipping insertion in model container [2023-11-29 06:35:35,397 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:35:31" (2/3) ... [2023-11-29 06:35:35,398 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e829ab0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:35:35, skipping insertion in model container [2023-11-29 06:35:35,398 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:35:35" (3/3) ... [2023-11-29 06:35:35,399 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pf.ko-main.cil.out.i [2023-11-29 06:35:35,421 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 06:35:35,422 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 06:35:35,492 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 06:35:35,499 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;@490fe2ec, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 06:35:35,499 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 06:35:35,507 INFO L276 IsEmpty]: Start isEmpty. Operand has 504 states, 338 states have (on average 1.4289940828402368) internal successors, (483), 352 states have internal predecessors, (483), 128 states have call successors, (128), 38 states have call predecessors, (128), 38 states have return successors, (128), 128 states have call predecessors, (128), 128 states have call successors, (128) [2023-11-29 06:35:35,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-29 06:35:35,518 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:35:35,519 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:35:35,520 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:35:35,524 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:35:35,525 INFO L85 PathProgramCache]: Analyzing trace with hash -321335035, now seen corresponding path program 1 times [2023-11-29 06:35:35,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:35:35,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142605467] [2023-11-29 06:35:35,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:35:35,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:35:35,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:35,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:35:35,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:35:35,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142605467] [2023-11-29 06:35:35,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142605467] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:35:35,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:35:35,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:35:35,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457856947] [2023-11-29 06:35:35,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:35:35,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:35:35,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:35:35,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:35:35,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:35:35,993 INFO L87 Difference]: Start difference. First operand has 504 states, 338 states have (on average 1.4289940828402368) internal successors, (483), 352 states have internal predecessors, (483), 128 states have call successors, (128), 38 states have call predecessors, (128), 38 states have return successors, (128), 128 states have call predecessors, (128), 128 states have call successors, (128) Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:35:36,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:35:36,364 INFO L93 Difference]: Finished difference Result 1396 states and 2101 transitions. [2023-11-29 06:35:36,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:35:36,366 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2023-11-29 06:35:36,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:35:36,387 INFO L225 Difference]: With dead ends: 1396 [2023-11-29 06:35:36,387 INFO L226 Difference]: Without dead ends: 889 [2023-11-29 06:35:36,397 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:35:36,400 INFO L413 NwaCegarLoop]: 935 mSDtfsCounter, 564 mSDsluCounter, 633 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 564 SdHoareTripleChecker+Valid, 1568 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 06:35:36,401 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [564 Valid, 1568 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 06:35:36,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 889 states. [2023-11-29 06:35:36,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 889 to 878. [2023-11-29 06:35:36,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 878 states, 592 states have (on average 1.412162162162162) internal successors, (836), 605 states have internal predecessors, (836), 219 states have call successors, (219), 67 states have call predecessors, (219), 66 states have return successors, (213), 213 states have call predecessors, (213), 213 states have call successors, (213) [2023-11-29 06:35:36,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 878 states and 1268 transitions. [2023-11-29 06:35:36,529 INFO L78 Accepts]: Start accepts. Automaton has 878 states and 1268 transitions. Word has length 14 [2023-11-29 06:35:36,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:35:36,529 INFO L495 AbstractCegarLoop]: Abstraction has 878 states and 1268 transitions. [2023-11-29 06:35:36,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:35:36,530 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 1268 transitions. [2023-11-29 06:35:36,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-29 06:35:36,531 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:35:36,531 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:35:36,532 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 06:35:36,532 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:35:36,532 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:35:36,533 INFO L85 PathProgramCache]: Analyzing trace with hash 2135214377, now seen corresponding path program 1 times [2023-11-29 06:35:36,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:35:36,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156126291] [2023-11-29 06:35:36,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:35:36,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:35:36,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:36,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 06:35:36,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:36,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:35:36,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:35:36,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156126291] [2023-11-29 06:35:36,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156126291] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:35:36,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:35:36,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:35:36,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282549535] [2023-11-29 06:35:36,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:35:36,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:35:36,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:35:36,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:35:36,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:35:36,749 INFO L87 Difference]: Start difference. First operand 878 states and 1268 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 06:35:37,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:35:37,006 INFO L93 Difference]: Finished difference Result 2110 states and 3035 transitions. [2023-11-29 06:35:37,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:35:37,006 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2023-11-29 06:35:37,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:35:37,017 INFO L225 Difference]: With dead ends: 2110 [2023-11-29 06:35:37,017 INFO L226 Difference]: Without dead ends: 1233 [2023-11-29 06:35:37,022 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:35:37,023 INFO L413 NwaCegarLoop]: 955 mSDtfsCounter, 679 mSDsluCounter, 458 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 679 SdHoareTripleChecker+Valid, 1413 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 06:35:37,024 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [679 Valid, 1413 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 06:35:37,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1233 states. [2023-11-29 06:35:37,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1233 to 1214. [2023-11-29 06:35:37,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1214 states, 815 states have (on average 1.4085889570552148) internal successors, (1148), 832 states have internal predecessors, (1148), 300 states have call successors, (300), 99 states have call predecessors, (300), 98 states have return successors, (294), 294 states have call predecessors, (294), 294 states have call successors, (294) [2023-11-29 06:35:37,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1214 states to 1214 states and 1742 transitions. [2023-11-29 06:35:37,116 INFO L78 Accepts]: Start accepts. Automaton has 1214 states and 1742 transitions. Word has length 16 [2023-11-29 06:35:37,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:35:37,117 INFO L495 AbstractCegarLoop]: Abstraction has 1214 states and 1742 transitions. [2023-11-29 06:35:37,117 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 06:35:37,117 INFO L276 IsEmpty]: Start isEmpty. Operand 1214 states and 1742 transitions. [2023-11-29 06:35:37,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-29 06:35:37,118 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:35:37,118 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:35:37,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 06:35:37,119 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:35:37,119 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:35:37,120 INFO L85 PathProgramCache]: Analyzing trace with hash -1813119107, now seen corresponding path program 1 times [2023-11-29 06:35:37,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:35:37,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710981789] [2023-11-29 06:35:37,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:35:37,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:35:37,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:37,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:35:37,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:35:37,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710981789] [2023-11-29 06:35:37,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710981789] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:35:37,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:35:37,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:35:37,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006647117] [2023-11-29 06:35:37,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:35:37,231 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:35:37,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:35:37,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:35:37,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:35:37,232 INFO L87 Difference]: Start difference. First operand 1214 states and 1742 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:35:37,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:35:37,439 INFO L93 Difference]: Finished difference Result 2427 states and 3483 transitions. [2023-11-29 06:35:37,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:35:37,440 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2023-11-29 06:35:37,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:35:37,450 INFO L225 Difference]: With dead ends: 2427 [2023-11-29 06:35:37,450 INFO L226 Difference]: Without dead ends: 1214 [2023-11-29 06:35:37,455 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:35:37,457 INFO L413 NwaCegarLoop]: 657 mSDtfsCounter, 707 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 707 SdHoareTripleChecker+Valid, 657 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:35:37,457 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [707 Valid, 657 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:35:37,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1214 states. [2023-11-29 06:35:37,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1214 to 1214. [2023-11-29 06:35:37,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1214 states, 815 states have (on average 1.4061349693251535) internal successors, (1146), 832 states have internal predecessors, (1146), 300 states have call successors, (300), 99 states have call predecessors, (300), 98 states have return successors, (294), 294 states have call predecessors, (294), 294 states have call successors, (294) [2023-11-29 06:35:37,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1214 states to 1214 states and 1740 transitions. [2023-11-29 06:35:37,552 INFO L78 Accepts]: Start accepts. Automaton has 1214 states and 1740 transitions. Word has length 16 [2023-11-29 06:35:37,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:35:37,553 INFO L495 AbstractCegarLoop]: Abstraction has 1214 states and 1740 transitions. [2023-11-29 06:35:37,553 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:35:37,553 INFO L276 IsEmpty]: Start isEmpty. Operand 1214 states and 1740 transitions. [2023-11-29 06:35:37,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-29 06:35:37,555 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:35:37,555 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] [2023-11-29 06:35:37,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 06:35:37,555 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:35:37,556 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:35:37,556 INFO L85 PathProgramCache]: Analyzing trace with hash 1522965820, now seen corresponding path program 1 times [2023-11-29 06:35:37,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:35:37,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849485624] [2023-11-29 06:35:37,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:35:37,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:35:37,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:37,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 06:35:37,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:37,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:35:37,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:35:37,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849485624] [2023-11-29 06:35:37,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849485624] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:35:37,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:35:37,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:35:37,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258275047] [2023-11-29 06:35:37,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:35:37,710 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:35:37,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:35:37,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:35:37,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:35:37,711 INFO L87 Difference]: Start difference. First operand 1214 states and 1740 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 06:35:37,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:35:37,974 INFO L93 Difference]: Finished difference Result 2443 states and 3505 transitions. [2023-11-29 06:35:37,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:35:37,975 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2023-11-29 06:35:37,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:35:37,985 INFO L225 Difference]: With dead ends: 2443 [2023-11-29 06:35:37,985 INFO L226 Difference]: Without dead ends: 1230 [2023-11-29 06:35:37,990 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:35:37,991 INFO L413 NwaCegarLoop]: 654 mSDtfsCounter, 11 mSDsluCounter, 653 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 1307 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 06:35:37,992 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 1307 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 06:35:37,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1230 states. [2023-11-29 06:35:38,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1230 to 1216. [2023-11-29 06:35:38,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1216 states, 817 states have (on average 1.405140758873929) internal successors, (1148), 834 states have internal predecessors, (1148), 300 states have call successors, (300), 99 states have call predecessors, (300), 98 states have return successors, (294), 294 states have call predecessors, (294), 294 states have call successors, (294) [2023-11-29 06:35:38,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1216 states to 1216 states and 1742 transitions. [2023-11-29 06:35:38,107 INFO L78 Accepts]: Start accepts. Automaton has 1216 states and 1742 transitions. Word has length 26 [2023-11-29 06:35:38,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:35:38,107 INFO L495 AbstractCegarLoop]: Abstraction has 1216 states and 1742 transitions. [2023-11-29 06:35:38,107 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 06:35:38,107 INFO L276 IsEmpty]: Start isEmpty. Operand 1216 states and 1742 transitions. [2023-11-29 06:35:38,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-29 06:35:38,109 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:35:38,109 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] [2023-11-29 06:35:38,109 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 06:35:38,109 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:35:38,109 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:35:38,110 INFO L85 PathProgramCache]: Analyzing trace with hash -386541949, now seen corresponding path program 1 times [2023-11-29 06:35:38,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:35:38,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967179974] [2023-11-29 06:35:38,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:35:38,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:35:38,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:38,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 06:35:38,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:38,274 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:35:38,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:35:38,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967179974] [2023-11-29 06:35:38,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967179974] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:35:38,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [946682236] [2023-11-29 06:35:38,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:35:38,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:35:38,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:35:38,279 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:35:38,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 06:35:38,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:38,727 INFO L262 TraceCheckSpWp]: Trace formula consists of 999 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 06:35:38,734 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:35:38,755 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 06:35:38,755 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:35:38,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [946682236] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:35:38,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 06:35:38,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2023-11-29 06:35:38,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054216632] [2023-11-29 06:35:38,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:35:38,756 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:35:38,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:35:38,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:35:38,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:35:38,757 INFO L87 Difference]: Start difference. First operand 1216 states and 1742 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 06:35:38,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:35:38,964 INFO L93 Difference]: Finished difference Result 2465 states and 3539 transitions. [2023-11-29 06:35:38,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:35:38,964 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2023-11-29 06:35:38,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:35:38,989 INFO L225 Difference]: With dead ends: 2465 [2023-11-29 06:35:38,989 INFO L226 Difference]: Without dead ends: 1250 [2023-11-29 06:35:38,994 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:35:38,995 INFO L413 NwaCegarLoop]: 656 mSDtfsCounter, 14 mSDsluCounter, 652 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 1308 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:35:38,996 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 1308 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:35:38,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1250 states. [2023-11-29 06:35:39,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1250 to 1220. [2023-11-29 06:35:39,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1220 states, 821 states have (on average 1.4031668696711328) internal successors, (1152), 838 states have internal predecessors, (1152), 300 states have call successors, (300), 99 states have call predecessors, (300), 98 states have return successors, (294), 294 states have call predecessors, (294), 294 states have call successors, (294) [2023-11-29 06:35:39,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1220 states to 1220 states and 1746 transitions. [2023-11-29 06:35:39,101 INFO L78 Accepts]: Start accepts. Automaton has 1220 states and 1746 transitions. Word has length 29 [2023-11-29 06:35:39,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:35:39,102 INFO L495 AbstractCegarLoop]: Abstraction has 1220 states and 1746 transitions. [2023-11-29 06:35:39,102 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 06:35:39,102 INFO L276 IsEmpty]: Start isEmpty. Operand 1220 states and 1746 transitions. [2023-11-29 06:35:39,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-29 06:35:39,104 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:35:39,104 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:35:39,113 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 06:35:39,306 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:35:39,307 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:35:39,307 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:35:39,307 INFO L85 PathProgramCache]: Analyzing trace with hash 303378342, now seen corresponding path program 1 times [2023-11-29 06:35:39,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:35:39,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76443849] [2023-11-29 06:35:39,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:35:39,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:35:39,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:39,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 06:35:39,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:39,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-29 06:35:39,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:39,545 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:35:39,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:35:39,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76443849] [2023-11-29 06:35:39,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76443849] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:35:39,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1150837322] [2023-11-29 06:35:39,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:35:39,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:35:39,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:35:39,547 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:35:39,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 06:35:39,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:40,003 INFO L262 TraceCheckSpWp]: Trace formula consists of 1069 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 06:35:40,006 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:35:40,031 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 06:35:40,031 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:35:40,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1150837322] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:35:40,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 06:35:40,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2023-11-29 06:35:40,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411644610] [2023-11-29 06:35:40,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:35:40,032 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:35:40,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:35:40,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:35:40,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:35:40,033 INFO L87 Difference]: Start difference. First operand 1220 states and 1746 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 06:35:40,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:35:40,232 INFO L93 Difference]: Finished difference Result 2471 states and 3543 transitions. [2023-11-29 06:35:40,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:35:40,233 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 33 [2023-11-29 06:35:40,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:35:40,242 INFO L225 Difference]: With dead ends: 2471 [2023-11-29 06:35:40,242 INFO L226 Difference]: Without dead ends: 1252 [2023-11-29 06:35:40,246 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:35:40,247 INFO L413 NwaCegarLoop]: 656 mSDtfsCounter, 26 mSDsluCounter, 635 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 1291 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:35:40,247 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 1291 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:35:40,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1252 states. [2023-11-29 06:35:40,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1252 to 1250. [2023-11-29 06:35:40,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1250 states, 843 states have (on average 1.4045077105575325) internal successors, (1184), 860 states have internal predecessors, (1184), 308 states have call successors, (308), 99 states have call predecessors, (308), 98 states have return successors, (302), 302 states have call predecessors, (302), 302 states have call successors, (302) [2023-11-29 06:35:40,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 1250 states and 1794 transitions. [2023-11-29 06:35:40,346 INFO L78 Accepts]: Start accepts. Automaton has 1250 states and 1794 transitions. Word has length 33 [2023-11-29 06:35:40,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:35:40,346 INFO L495 AbstractCegarLoop]: Abstraction has 1250 states and 1794 transitions. [2023-11-29 06:35:40,346 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 06:35:40,347 INFO L276 IsEmpty]: Start isEmpty. Operand 1250 states and 1794 transitions. [2023-11-29 06:35:40,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-29 06:35:40,348 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:35:40,348 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:35:40,356 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 06:35:40,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-29 06:35:40,552 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:35:40,553 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:35:40,553 INFO L85 PathProgramCache]: Analyzing trace with hash -1476739137, now seen corresponding path program 1 times [2023-11-29 06:35:40,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:35:40,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567132385] [2023-11-29 06:35:40,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:35:40,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:35:40,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:40,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 06:35:40,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:40,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-29 06:35:40,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:40,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-29 06:35:40,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:40,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 06:35:40,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:40,744 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-29 06:35:40,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:35:40,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567132385] [2023-11-29 06:35:40,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567132385] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:35:40,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [377837904] [2023-11-29 06:35:40,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:35:40,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:35:40,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:35:40,746 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:35:40,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 06:35:41,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:41,164 INFO L262 TraceCheckSpWp]: Trace formula consists of 1119 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 06:35:41,168 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:35:41,179 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-29 06:35:41,179 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:35:41,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [377837904] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:35:41,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 06:35:41,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2023-11-29 06:35:41,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166429767] [2023-11-29 06:35:41,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:35:41,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:35:41,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:35:41,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:35:41,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:35:41,181 INFO L87 Difference]: Start difference. First operand 1250 states and 1794 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-29 06:35:41,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:35:41,323 INFO L93 Difference]: Finished difference Result 1272 states and 1820 transitions. [2023-11-29 06:35:41,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:35:41,324 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 43 [2023-11-29 06:35:41,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:35:41,332 INFO L225 Difference]: With dead ends: 1272 [2023-11-29 06:35:41,332 INFO L226 Difference]: Without dead ends: 1261 [2023-11-29 06:35:41,333 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:35:41,334 INFO L413 NwaCegarLoop]: 670 mSDtfsCounter, 710 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 710 SdHoareTripleChecker+Valid, 683 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:35:41,334 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [710 Valid, 683 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:35:41,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1261 states. [2023-11-29 06:35:41,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1261 to 1250. [2023-11-29 06:35:41,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1250 states, 843 states have (on average 1.4033214709371293) internal successors, (1183), 860 states have internal predecessors, (1183), 308 states have call successors, (308), 99 states have call predecessors, (308), 98 states have return successors, (302), 302 states have call predecessors, (302), 302 states have call successors, (302) [2023-11-29 06:35:41,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 1250 states and 1793 transitions. [2023-11-29 06:35:41,419 INFO L78 Accepts]: Start accepts. Automaton has 1250 states and 1793 transitions. Word has length 43 [2023-11-29 06:35:41,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:35:41,420 INFO L495 AbstractCegarLoop]: Abstraction has 1250 states and 1793 transitions. [2023-11-29 06:35:41,420 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-29 06:35:41,420 INFO L276 IsEmpty]: Start isEmpty. Operand 1250 states and 1793 transitions. [2023-11-29 06:35:41,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-29 06:35:41,422 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:35:41,422 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:35:41,433 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 06:35:41,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:35:41,624 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:35:41,624 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:35:41,624 INFO L85 PathProgramCache]: Analyzing trace with hash -1419480835, now seen corresponding path program 1 times [2023-11-29 06:35:41,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:35:41,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115789037] [2023-11-29 06:35:41,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:35:41,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:35:41,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:41,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 06:35:41,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:41,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-29 06:35:41,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:41,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-29 06:35:41,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:41,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 06:35:41,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:41,796 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-29 06:35:41,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:35:41,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115789037] [2023-11-29 06:35:41,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115789037] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:35:41,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1789189559] [2023-11-29 06:35:41,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:35:41,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:35:41,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:35:41,798 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:35:41,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 06:35:42,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:42,217 INFO L262 TraceCheckSpWp]: Trace formula consists of 1114 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 06:35:42,221 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:35:42,287 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-29 06:35:42,287 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:35:42,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1789189559] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:35:42,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 06:35:42,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-11-29 06:35:42,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286353870] [2023-11-29 06:35:42,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:35:42,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:35:42,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:35:42,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:35:42,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:35:42,289 INFO L87 Difference]: Start difference. First operand 1250 states and 1793 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-29 06:35:42,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:35:42,426 INFO L93 Difference]: Finished difference Result 1252 states and 1794 transitions. [2023-11-29 06:35:42,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:35:42,427 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 43 [2023-11-29 06:35:42,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:35:42,434 INFO L225 Difference]: With dead ends: 1252 [2023-11-29 06:35:42,434 INFO L226 Difference]: Without dead ends: 1249 [2023-11-29 06:35:42,435 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:35:42,435 INFO L413 NwaCegarLoop]: 655 mSDtfsCounter, 674 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 674 SdHoareTripleChecker+Valid, 655 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:35:42,436 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [674 Valid, 655 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:35:42,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1249 states. [2023-11-29 06:35:42,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1249 to 1249. [2023-11-29 06:35:42,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1249 states, 843 states have (on average 1.402135231316726) internal successors, (1182), 859 states have internal predecessors, (1182), 307 states have call successors, (307), 99 states have call predecessors, (307), 98 states have return successors, (302), 302 states have call predecessors, (302), 302 states have call successors, (302) [2023-11-29 06:35:42,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1249 states to 1249 states and 1791 transitions. [2023-11-29 06:35:42,493 INFO L78 Accepts]: Start accepts. Automaton has 1249 states and 1791 transitions. Word has length 43 [2023-11-29 06:35:42,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:35:42,494 INFO L495 AbstractCegarLoop]: Abstraction has 1249 states and 1791 transitions. [2023-11-29 06:35:42,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-29 06:35:42,494 INFO L276 IsEmpty]: Start isEmpty. Operand 1249 states and 1791 transitions. [2023-11-29 06:35:42,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-29 06:35:42,506 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:35:42,506 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:35:42,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-29 06:35:42,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:35:42,712 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:35:42,713 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:35:42,713 INFO L85 PathProgramCache]: Analyzing trace with hash -1054520428, now seen corresponding path program 1 times [2023-11-29 06:35:42,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:35:42,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326091365] [2023-11-29 06:35:42,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:35:42,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:35:42,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:42,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 06:35:42,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:42,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-29 06:35:42,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:42,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-29 06:35:42,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:42,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 06:35:42,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:42,882 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-29 06:35:42,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:35:42,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326091365] [2023-11-29 06:35:42,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326091365] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:35:42,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1360338496] [2023-11-29 06:35:42,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:35:42,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:35:42,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:35:42,883 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:35:42,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-29 06:35:43,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:43,324 INFO L262 TraceCheckSpWp]: Trace formula consists of 1116 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 06:35:43,328 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:35:43,392 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-29 06:35:43,392 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:35:43,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1360338496] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:35:43,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 06:35:43,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-11-29 06:35:43,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343355517] [2023-11-29 06:35:43,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:35:43,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:35:43,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:35:43,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:35:43,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:35:43,394 INFO L87 Difference]: Start difference. First operand 1249 states and 1791 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-29 06:35:43,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:35:43,537 INFO L93 Difference]: Finished difference Result 1251 states and 1792 transitions. [2023-11-29 06:35:43,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:35:43,538 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 44 [2023-11-29 06:35:43,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:35:43,547 INFO L225 Difference]: With dead ends: 1251 [2023-11-29 06:35:43,547 INFO L226 Difference]: Without dead ends: 1248 [2023-11-29 06:35:43,548 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:35:43,549 INFO L413 NwaCegarLoop]: 653 mSDtfsCounter, 671 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 671 SdHoareTripleChecker+Valid, 653 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:35:43,549 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [671 Valid, 653 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:35:43,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1248 states. [2023-11-29 06:35:43,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1248 to 1248. [2023-11-29 06:35:43,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1248 states, 843 states have (on average 1.4009489916963227) internal successors, (1181), 858 states have internal predecessors, (1181), 306 states have call successors, (306), 99 states have call predecessors, (306), 98 states have return successors, (302), 302 states have call predecessors, (302), 302 states have call successors, (302) [2023-11-29 06:35:43,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1248 states to 1248 states and 1789 transitions. [2023-11-29 06:35:43,639 INFO L78 Accepts]: Start accepts. Automaton has 1248 states and 1789 transitions. Word has length 44 [2023-11-29 06:35:43,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:35:43,639 INFO L495 AbstractCegarLoop]: Abstraction has 1248 states and 1789 transitions. [2023-11-29 06:35:43,640 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-29 06:35:43,640 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states and 1789 transitions. [2023-11-29 06:35:43,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-29 06:35:43,641 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:35:43,641 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:35:43,649 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-29 06:35:43,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:35:43,842 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:35:43,843 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:35:43,843 INFO L85 PathProgramCache]: Analyzing trace with hash 1669322464, now seen corresponding path program 1 times [2023-11-29 06:35:43,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:35:43,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853883476] [2023-11-29 06:35:43,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:35:43,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:35:43,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:44,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 06:35:44,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:44,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-29 06:35:44,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:44,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-29 06:35:44,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:44,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 06:35:44,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:44,059 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-29 06:35:44,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:35:44,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853883476] [2023-11-29 06:35:44,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853883476] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:35:44,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [285548813] [2023-11-29 06:35:44,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:35:44,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:35:44,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:35:44,061 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:35:44,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-29 06:35:44,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:44,525 INFO L262 TraceCheckSpWp]: Trace formula consists of 1118 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 06:35:44,528 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:35:44,587 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-29 06:35:44,588 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:35:44,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [285548813] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:35:44,588 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 06:35:44,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-11-29 06:35:44,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094966476] [2023-11-29 06:35:44,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:35:44,589 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:35:44,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:35:44,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:35:44,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:35:44,590 INFO L87 Difference]: Start difference. First operand 1248 states and 1789 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-29 06:35:44,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:35:44,739 INFO L93 Difference]: Finished difference Result 1250 states and 1790 transitions. [2023-11-29 06:35:44,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:35:44,740 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 45 [2023-11-29 06:35:44,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:35:44,749 INFO L225 Difference]: With dead ends: 1250 [2023-11-29 06:35:44,749 INFO L226 Difference]: Without dead ends: 1247 [2023-11-29 06:35:44,750 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:35:44,751 INFO L413 NwaCegarLoop]: 651 mSDtfsCounter, 668 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 668 SdHoareTripleChecker+Valid, 651 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:35:44,751 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [668 Valid, 651 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:35:44,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1247 states. [2023-11-29 06:35:44,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1247 to 1247. [2023-11-29 06:35:44,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1247 states, 843 states have (on average 1.3997627520759193) internal successors, (1180), 857 states have internal predecessors, (1180), 305 states have call successors, (305), 99 states have call predecessors, (305), 98 states have return successors, (302), 302 states have call predecessors, (302), 302 states have call successors, (302) [2023-11-29 06:35:44,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1247 states to 1247 states and 1787 transitions. [2023-11-29 06:35:44,844 INFO L78 Accepts]: Start accepts. Automaton has 1247 states and 1787 transitions. Word has length 45 [2023-11-29 06:35:44,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:35:44,845 INFO L495 AbstractCegarLoop]: Abstraction has 1247 states and 1787 transitions. [2023-11-29 06:35:44,845 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-29 06:35:44,845 INFO L276 IsEmpty]: Start isEmpty. Operand 1247 states and 1787 transitions. [2023-11-29 06:35:44,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-29 06:35:44,846 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:35:44,846 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:35:44,854 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-29 06:35:45,048 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:35:45,049 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:35:45,049 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:35:45,049 INFO L85 PathProgramCache]: Analyzing trace with hash 209111063, now seen corresponding path program 1 times [2023-11-29 06:35:45,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:35:45,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029173590] [2023-11-29 06:35:45,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:35:45,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:35:45,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:45,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 06:35:45,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:45,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-29 06:35:45,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:45,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-29 06:35:45,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:45,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 06:35:45,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:45,198 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-29 06:35:45,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:35:45,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029173590] [2023-11-29 06:35:45,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029173590] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:35:45,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1668314631] [2023-11-29 06:35:45,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:35:45,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:35:45,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:35:45,200 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:35:45,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-29 06:35:45,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:45,625 INFO L262 TraceCheckSpWp]: Trace formula consists of 1120 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 06:35:45,628 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:35:45,686 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-29 06:35:45,686 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:35:45,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1668314631] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:35:45,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 06:35:45,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-11-29 06:35:45,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209814030] [2023-11-29 06:35:45,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:35:45,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:35:45,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:35:45,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:35:45,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:35:45,688 INFO L87 Difference]: Start difference. First operand 1247 states and 1787 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-29 06:35:45,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:35:45,901 INFO L93 Difference]: Finished difference Result 1469 states and 2090 transitions. [2023-11-29 06:35:45,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:35:45,901 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 46 [2023-11-29 06:35:45,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:35:45,911 INFO L225 Difference]: With dead ends: 1469 [2023-11-29 06:35:45,912 INFO L226 Difference]: Without dead ends: 1445 [2023-11-29 06:35:45,913 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:35:45,914 INFO L413 NwaCegarLoop]: 827 mSDtfsCounter, 600 mSDsluCounter, 337 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 600 SdHoareTripleChecker+Valid, 1164 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:35:45,914 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [600 Valid, 1164 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:35:45,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1445 states. [2023-11-29 06:35:46,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1445 to 1445. [2023-11-29 06:35:46,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1445 states, 970 states have (on average 1.3876288659793814) internal successors, (1346), 984 states have internal predecessors, (1346), 357 states have call successors, (357), 118 states have call predecessors, (357), 117 states have return successors, (356), 356 states have call predecessors, (356), 356 states have call successors, (356) [2023-11-29 06:35:46,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1445 states to 1445 states and 2059 transitions. [2023-11-29 06:35:46,029 INFO L78 Accepts]: Start accepts. Automaton has 1445 states and 2059 transitions. Word has length 46 [2023-11-29 06:35:46,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:35:46,029 INFO L495 AbstractCegarLoop]: Abstraction has 1445 states and 2059 transitions. [2023-11-29 06:35:46,029 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-29 06:35:46,029 INFO L276 IsEmpty]: Start isEmpty. Operand 1445 states and 2059 transitions. [2023-11-29 06:35:46,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-29 06:35:46,031 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:35:46,031 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:35:46,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-11-29 06:35:46,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-11-29 06:35:46,235 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:35:46,236 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:35:46,236 INFO L85 PathProgramCache]: Analyzing trace with hash 978410772, now seen corresponding path program 1 times [2023-11-29 06:35:46,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:35:46,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698306368] [2023-11-29 06:35:46,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:35:46,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:35:46,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:46,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 06:35:46,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:46,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-29 06:35:46,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:46,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-29 06:35:46,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:46,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 06:35:46,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:46,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 06:35:46,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:46,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-29 06:35:46,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:46,402 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-29 06:35:46,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:35:46,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698306368] [2023-11-29 06:35:46,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698306368] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:35:46,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [562671916] [2023-11-29 06:35:46,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:35:46,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:35:46,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:35:46,404 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:35:46,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-29 06:35:46,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:46,808 INFO L262 TraceCheckSpWp]: Trace formula consists of 1209 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 06:35:46,812 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:35:46,832 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-29 06:35:46,832 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:35:46,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [562671916] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:35:46,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 06:35:46,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2023-11-29 06:35:46,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456407303] [2023-11-29 06:35:46,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:35:46,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:35:46,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:35:46,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:35:46,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:35:46,834 INFO L87 Difference]: Start difference. First operand 1445 states and 2059 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-29 06:35:47,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:35:47,140 INFO L93 Difference]: Finished difference Result 3685 states and 5231 transitions. [2023-11-29 06:35:47,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:35:47,140 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 62 [2023-11-29 06:35:47,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:35:47,154 INFO L225 Difference]: With dead ends: 3685 [2023-11-29 06:35:47,154 INFO L226 Difference]: Without dead ends: 2241 [2023-11-29 06:35:47,159 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:35:47,160 INFO L413 NwaCegarLoop]: 618 mSDtfsCounter, 633 mSDsluCounter, 569 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 633 SdHoareTripleChecker+Valid, 1187 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 06:35:47,160 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [633 Valid, 1187 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 06:35:47,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2241 states. [2023-11-29 06:35:47,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2241 to 2238. [2023-11-29 06:35:47,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2238 states, 1503 states have (on average 1.3852295409181636) internal successors, (2082), 1524 states have internal predecessors, (2082), 541 states have call successors, (541), 194 states have call predecessors, (541), 193 states have return successors, (540), 540 states have call predecessors, (540), 540 states have call successors, (540) [2023-11-29 06:35:47,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2238 states to 2238 states and 3163 transitions. [2023-11-29 06:35:47,274 INFO L78 Accepts]: Start accepts. Automaton has 2238 states and 3163 transitions. Word has length 62 [2023-11-29 06:35:47,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:35:47,275 INFO L495 AbstractCegarLoop]: Abstraction has 2238 states and 3163 transitions. [2023-11-29 06:35:47,275 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-29 06:35:47,275 INFO L276 IsEmpty]: Start isEmpty. Operand 2238 states and 3163 transitions. [2023-11-29 06:35:47,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-29 06:35:47,279 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:35:47,279 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:35:47,285 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-29 06:35:47,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-29 06:35:47,480 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:35:47,480 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:35:47,480 INFO L85 PathProgramCache]: Analyzing trace with hash 126712897, now seen corresponding path program 1 times [2023-11-29 06:35:47,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:35:47,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033661190] [2023-11-29 06:35:47,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:35:47,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:35:47,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:47,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 06:35:47,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:47,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-29 06:35:47,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:47,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-29 06:35:47,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:47,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 06:35:47,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:47,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-29 06:35:47,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:47,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-29 06:35:47,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:47,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 06:35:47,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:47,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:35:47,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:47,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:35:47,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:47,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:35:47,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:47,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:35:47,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:47,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 06:35:47,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:47,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:35:47,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:47,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:35:47,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:47,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 06:35:47,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:47,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-29 06:35:47,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:47,851 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-29 06:35:47,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:35:47,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033661190] [2023-11-29 06:35:47,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033661190] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:35:47,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [212656067] [2023-11-29 06:35:47,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:35:47,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:35:47,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:35:47,853 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:35:47,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-29 06:35:48,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:48,359 INFO L262 TraceCheckSpWp]: Trace formula consists of 1732 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 06:35:48,363 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:35:48,375 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-29 06:35:48,375 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:35:48,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [212656067] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:35:48,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 06:35:48,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2023-11-29 06:35:48,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599253980] [2023-11-29 06:35:48,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:35:48,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:35:48,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:35:48,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:35:48,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 06:35:48,377 INFO L87 Difference]: Start difference. First operand 2238 states and 3163 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-29 06:35:48,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:35:48,611 INFO L93 Difference]: Finished difference Result 4482 states and 6475 transitions. [2023-11-29 06:35:48,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:35:48,612 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 117 [2023-11-29 06:35:48,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:35:48,624 INFO L225 Difference]: With dead ends: 4482 [2023-11-29 06:35:48,624 INFO L226 Difference]: Without dead ends: 2245 [2023-11-29 06:35:48,634 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 06:35:48,634 INFO L413 NwaCegarLoop]: 630 mSDtfsCounter, 0 mSDsluCounter, 625 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1255 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:35:48,635 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1255 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:35:48,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2245 states. [2023-11-29 06:35:48,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2245 to 2245. [2023-11-29 06:35:48,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2245 states, 1510 states have (on average 1.3834437086092715) internal successors, (2089), 1531 states have internal predecessors, (2089), 541 states have call successors, (541), 194 states have call predecessors, (541), 193 states have return successors, (540), 540 states have call predecessors, (540), 540 states have call successors, (540) [2023-11-29 06:35:48,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2245 states to 2245 states and 3170 transitions. [2023-11-29 06:35:48,761 INFO L78 Accepts]: Start accepts. Automaton has 2245 states and 3170 transitions. Word has length 117 [2023-11-29 06:35:48,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:35:48,762 INFO L495 AbstractCegarLoop]: Abstraction has 2245 states and 3170 transitions. [2023-11-29 06:35:48,762 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-29 06:35:48,762 INFO L276 IsEmpty]: Start isEmpty. Operand 2245 states and 3170 transitions. [2023-11-29 06:35:48,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-29 06:35:48,765 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:35:48,765 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:35:48,773 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-29 06:35:48,967 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-29 06:35:48,967 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:35:48,967 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:35:48,968 INFO L85 PathProgramCache]: Analyzing trace with hash -409865585, now seen corresponding path program 1 times [2023-11-29 06:35:48,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:35:48,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009615048] [2023-11-29 06:35:48,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:35:48,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:35:49,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:49,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 06:35:49,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:49,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-29 06:35:49,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:49,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-29 06:35:49,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:49,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 06:35:49,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:49,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-29 06:35:49,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:49,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-29 06:35:49,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:49,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 06:35:49,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:49,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:35:49,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:49,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:35:49,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:49,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:35:49,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:49,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:35:49,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:49,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 06:35:49,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:49,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:35:49,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:49,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:35:49,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:49,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-29 06:35:49,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:49,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-29 06:35:49,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:49,469 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-29 06:35:49,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:35:49,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009615048] [2023-11-29 06:35:49,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009615048] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:35:49,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [432850033] [2023-11-29 06:35:49,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:35:49,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:35:49,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:35:49,471 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:35:49,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-29 06:35:50,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:50,039 INFO L262 TraceCheckSpWp]: Trace formula consists of 1737 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 06:35:50,044 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:35:50,060 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-29 06:35:50,060 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:35:50,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [432850033] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:35:50,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 06:35:50,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2023-11-29 06:35:50,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286877514] [2023-11-29 06:35:50,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:35:50,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:35:50,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:35:50,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:35:50,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 06:35:50,063 INFO L87 Difference]: Start difference. First operand 2245 states and 3170 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (16), 2 states have call predecessors, (16), 1 states have call successors, (16) [2023-11-29 06:35:50,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:35:50,328 INFO L93 Difference]: Finished difference Result 4510 states and 6456 transitions. [2023-11-29 06:35:50,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:35:50,329 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (16), 2 states have call predecessors, (16), 1 states have call successors, (16) Word has length 118 [2023-11-29 06:35:50,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:35:50,379 INFO L225 Difference]: With dead ends: 4510 [2023-11-29 06:35:50,379 INFO L226 Difference]: Without dead ends: 2266 [2023-11-29 06:35:50,389 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 06:35:50,389 INFO L413 NwaCegarLoop]: 630 mSDtfsCounter, 2 mSDsluCounter, 623 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1253 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:35:50,390 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1253 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:35:50,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2266 states. [2023-11-29 06:35:50,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2266 to 2252. [2023-11-29 06:35:50,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2252 states, 1517 states have (on average 1.3816743572841135) internal successors, (2096), 1538 states have internal predecessors, (2096), 541 states have call successors, (541), 194 states have call predecessors, (541), 193 states have return successors, (540), 540 states have call predecessors, (540), 540 states have call successors, (540) [2023-11-29 06:35:50,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2252 states to 2252 states and 3177 transitions. [2023-11-29 06:35:50,564 INFO L78 Accepts]: Start accepts. Automaton has 2252 states and 3177 transitions. Word has length 118 [2023-11-29 06:35:50,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:35:50,565 INFO L495 AbstractCegarLoop]: Abstraction has 2252 states and 3177 transitions. [2023-11-29 06:35:50,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (16), 2 states have call predecessors, (16), 1 states have call successors, (16) [2023-11-29 06:35:50,565 INFO L276 IsEmpty]: Start isEmpty. Operand 2252 states and 3177 transitions. [2023-11-29 06:35:50,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-11-29 06:35:50,570 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:35:50,571 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:35:50,579 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-11-29 06:35:50,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:35:50,776 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:35:50,777 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:35:50,777 INFO L85 PathProgramCache]: Analyzing trace with hash 54786904, now seen corresponding path program 1 times [2023-11-29 06:35:50,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:35:50,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409680506] [2023-11-29 06:35:50,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:35:50,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:35:50,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:51,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 06:35:51,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:51,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-29 06:35:51,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:51,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-29 06:35:51,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:51,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 06:35:51,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:51,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-29 06:35:51,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:51,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-29 06:35:51,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:51,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 06:35:51,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:51,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:35:51,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:51,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:35:51,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:51,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:35:51,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:51,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:35:51,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:51,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 06:35:51,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:51,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:35:51,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:51,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:35:51,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:51,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-29 06:35:51,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:51,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-29 06:35:51,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:51,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-29 06:35:51,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:51,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:35:51,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:51,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:35:51,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:51,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:35:51,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:51,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 06:35:51,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:51,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:35:51,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:51,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:35:51,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:51,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-29 06:35:51,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:51,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-29 06:35:51,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:51,524 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 2 proven. 18 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-29 06:35:51,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:35:51,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409680506] [2023-11-29 06:35:51,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [409680506] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:35:51,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1823724847] [2023-11-29 06:35:51,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:35:51,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:35:51,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:35:51,526 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:35:51,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-29 06:35:52,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:52,110 INFO L262 TraceCheckSpWp]: Trace formula consists of 2126 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 06:35:52,114 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:35:52,146 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-29 06:35:52,146 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:35:52,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1823724847] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:35:52,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 06:35:52,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9] total 11 [2023-11-29 06:35:52,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011619425] [2023-11-29 06:35:52,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:35:52,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:35:52,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:35:52,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:35:52,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-29 06:35:52,148 INFO L87 Difference]: Start difference. First operand 2252 states and 3177 transitions. Second operand has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-29 06:35:52,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:35:52,487 INFO L93 Difference]: Finished difference Result 4559 states and 6580 transitions. [2023-11-29 06:35:52,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 06:35:52,488 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 165 [2023-11-29 06:35:52,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:35:52,503 INFO L225 Difference]: With dead ends: 4559 [2023-11-29 06:35:52,503 INFO L226 Difference]: Without dead ends: 2308 [2023-11-29 06:35:52,516 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2023-11-29 06:35:52,517 INFO L413 NwaCegarLoop]: 630 mSDtfsCounter, 25 mSDsluCounter, 1243 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 1873 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:35:52,518 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 1873 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:35:52,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2308 states. [2023-11-29 06:35:52,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2308 to 2266. [2023-11-29 06:35:52,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2266 states, 1531 states have (on average 1.3781841933376877) internal successors, (2110), 1552 states have internal predecessors, (2110), 541 states have call successors, (541), 194 states have call predecessors, (541), 193 states have return successors, (540), 540 states have call predecessors, (540), 540 states have call successors, (540) [2023-11-29 06:35:52,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2266 states to 2266 states and 3191 transitions. [2023-11-29 06:35:52,689 INFO L78 Accepts]: Start accepts. Automaton has 2266 states and 3191 transitions. Word has length 165 [2023-11-29 06:35:52,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:35:52,689 INFO L495 AbstractCegarLoop]: Abstraction has 2266 states and 3191 transitions. [2023-11-29 06:35:52,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-29 06:35:52,690 INFO L276 IsEmpty]: Start isEmpty. Operand 2266 states and 3191 transitions. [2023-11-29 06:35:52,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-11-29 06:35:52,696 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:35:52,696 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:35:52,706 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2023-11-29 06:35:52,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-11-29 06:35:52,897 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:35:52,897 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:35:52,897 INFO L85 PathProgramCache]: Analyzing trace with hash -1170828134, now seen corresponding path program 1 times [2023-11-29 06:35:52,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:35:52,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848466856] [2023-11-29 06:35:52,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:35:52,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:35:52,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:53,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 06:35:53,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:53,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-29 06:35:53,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:53,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-29 06:35:53,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:53,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 06:35:53,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:53,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-29 06:35:53,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:53,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-29 06:35:53,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:53,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 06:35:53,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:53,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:35:53,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:53,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:35:53,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:53,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:35:53,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:53,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:35:53,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:53,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 06:35:53,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:53,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:35:53,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:53,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:35:53,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:53,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 06:35:53,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:53,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-29 06:35:53,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:53,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-29 06:35:53,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:53,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:35:53,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:53,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:35:53,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:53,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:35:53,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:53,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 06:35:53,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:53,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:35:53,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:53,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:35:53,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:53,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 06:35:53,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:53,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-29 06:35:53,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:53,668 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-11-29 06:35:53,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:35:53,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848466856] [2023-11-29 06:35:53,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848466856] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:35:53,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1880188072] [2023-11-29 06:35:53,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:35:53,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:35:53,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:35:53,670 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:35:53,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-29 06:35:54,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:54,434 INFO L262 TraceCheckSpWp]: Trace formula consists of 2122 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 06:35:54,438 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:35:54,466 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-29 06:35:54,466 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:35:54,665 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-29 06:35:54,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1880188072] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 06:35:54,665 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 06:35:54,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 4, 4] total 13 [2023-11-29 06:35:54,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104024505] [2023-11-29 06:35:54,666 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 06:35:54,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 06:35:54,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:35:54,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 06:35:54,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2023-11-29 06:35:54,668 INFO L87 Difference]: Start difference. First operand 2266 states and 3191 transitions. Second operand has 13 states, 13 states have (on average 11.692307692307692) internal successors, (152), 9 states have internal predecessors, (152), 2 states have call successors, (46), 5 states have call predecessors, (46), 3 states have return successors, (44), 3 states have call predecessors, (44), 2 states have call successors, (44) [2023-11-29 06:36:09,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:36:09,633 INFO L93 Difference]: Finished difference Result 4721 states and 6793 transitions. [2023-11-29 06:36:09,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-29 06:36:09,634 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 11.692307692307692) internal successors, (152), 9 states have internal predecessors, (152), 2 states have call successors, (46), 5 states have call predecessors, (46), 3 states have return successors, (44), 3 states have call predecessors, (44), 2 states have call successors, (44) Word has length 167 [2023-11-29 06:36:09,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:36:09,649 INFO L225 Difference]: With dead ends: 4721 [2023-11-29 06:36:09,649 INFO L226 Difference]: Without dead ends: 2456 [2023-11-29 06:36:09,660 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 399 GetRequests, 383 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2023-11-29 06:36:09,661 INFO L413 NwaCegarLoop]: 208 mSDtfsCounter, 746 mSDsluCounter, 1454 mSDsCounter, 0 mSdLazyCounter, 4473 mSolverCounterSat, 443 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 790 SdHoareTripleChecker+Valid, 1662 SdHoareTripleChecker+Invalid, 4916 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 443 IncrementalHoareTripleChecker+Valid, 4473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.5s IncrementalHoareTripleChecker+Time [2023-11-29 06:36:09,661 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [790 Valid, 1662 Invalid, 4916 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [443 Valid, 4473 Invalid, 0 Unknown, 0 Unchecked, 14.5s Time] [2023-11-29 06:36:09,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2456 states. [2023-11-29 06:36:09,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2456 to 2366. [2023-11-29 06:36:09,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2366 states, 1624 states have (on average 1.3786945812807883) internal successors, (2239), 1645 states have internal predecessors, (2239), 541 states have call successors, (541), 194 states have call predecessors, (541), 200 states have return successors, (568), 547 states have call predecessors, (568), 540 states have call successors, (568) [2023-11-29 06:36:09,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2366 states to 2366 states and 3348 transitions. [2023-11-29 06:36:09,922 INFO L78 Accepts]: Start accepts. Automaton has 2366 states and 3348 transitions. Word has length 167 [2023-11-29 06:36:09,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:36:09,923 INFO L495 AbstractCegarLoop]: Abstraction has 2366 states and 3348 transitions. [2023-11-29 06:36:09,923 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 11.692307692307692) internal successors, (152), 9 states have internal predecessors, (152), 2 states have call successors, (46), 5 states have call predecessors, (46), 3 states have return successors, (44), 3 states have call predecessors, (44), 2 states have call successors, (44) [2023-11-29 06:36:09,923 INFO L276 IsEmpty]: Start isEmpty. Operand 2366 states and 3348 transitions. [2023-11-29 06:36:09,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2023-11-29 06:36:09,930 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:36:09,930 INFO L195 NwaCegarLoop]: trace histogram [8, 6, 6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:36:09,940 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2023-11-29 06:36:10,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-11-29 06:36:10,131 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:36:10,131 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:36:10,131 INFO L85 PathProgramCache]: Analyzing trace with hash 1307849297, now seen corresponding path program 1 times [2023-11-29 06:36:10,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:36:10,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782915563] [2023-11-29 06:36:10,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:36:10,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:36:10,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:10,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-29 06:36:10,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:10,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-29 06:36:10,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:10,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 06:36:10,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:10,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-29 06:36:10,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:10,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 06:36:10,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:10,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-29 06:36:10,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:10,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-29 06:36:10,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:10,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:10,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:10,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:10,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:10,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:10,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:10,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:36:10,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:10,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 06:36:10,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:10,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:10,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:10,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:10,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:10,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-29 06:36:10,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:10,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:10,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:10,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-29 06:36:10,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:10,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:10,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:10,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 06:36:10,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:10,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:10,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:10,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-29 06:36:10,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:10,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-29 06:36:10,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:10,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-29 06:36:10,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:10,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:10,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:10,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:10,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:10,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:36:10,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:10,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 06:36:10,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:10,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:10,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:10,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:10,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:10,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-29 06:36:10,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:10,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:10,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:10,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-29 06:36:10,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:10,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:10,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:10,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 06:36:10,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:10,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:10,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:10,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-29 06:36:10,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:10,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-29 06:36:10,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:10,951 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 2 proven. 28 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2023-11-29 06:36:10,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:36:10,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782915563] [2023-11-29 06:36:10,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782915563] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:36:10,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1409735485] [2023-11-29 06:36:10,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:36:10,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:36:10,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:36:10,953 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:36:10,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-29 06:36:11,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:11,749 INFO L262 TraceCheckSpWp]: Trace formula consists of 2511 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 06:36:11,754 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:36:11,790 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2023-11-29 06:36:11,790 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:36:11,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1409735485] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:36:11,790 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 06:36:11,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9] total 11 [2023-11-29 06:36:11,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977485682] [2023-11-29 06:36:11,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:36:11,792 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:36:11,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:36:11,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:36:11,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2023-11-29 06:36:11,793 INFO L87 Difference]: Start difference. First operand 2366 states and 3348 transitions. Second operand has 4 states, 4 states have (on average 30.0) internal successors, (120), 4 states have internal predecessors, (120), 3 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2023-11-29 06:36:12,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:36:12,100 INFO L93 Difference]: Finished difference Result 4829 states and 6999 transitions. [2023-11-29 06:36:12,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 06:36:12,101 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.0) internal successors, (120), 4 states have internal predecessors, (120), 3 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 230 [2023-11-29 06:36:12,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:36:12,111 INFO L225 Difference]: With dead ends: 4829 [2023-11-29 06:36:12,111 INFO L226 Difference]: Without dead ends: 2464 [2023-11-29 06:36:12,121 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 312 GetRequests, 303 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2023-11-29 06:36:12,122 INFO L413 NwaCegarLoop]: 642 mSDtfsCounter, 10 mSDsluCounter, 1266 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 1908 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:36:12,122 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 1908 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:36:12,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2464 states. [2023-11-29 06:36:12,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2464 to 2422. [2023-11-29 06:36:12,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2422 states, 1659 states have (on average 1.374924653405666) internal successors, (2281), 1680 states have internal predecessors, (2281), 562 states have call successors, (562), 194 states have call predecessors, (562), 200 states have return successors, (589), 568 states have call predecessors, (589), 561 states have call successors, (589) [2023-11-29 06:36:12,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2422 states to 2422 states and 3432 transitions. [2023-11-29 06:36:12,375 INFO L78 Accepts]: Start accepts. Automaton has 2422 states and 3432 transitions. Word has length 230 [2023-11-29 06:36:12,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:36:12,376 INFO L495 AbstractCegarLoop]: Abstraction has 2422 states and 3432 transitions. [2023-11-29 06:36:12,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.0) internal successors, (120), 4 states have internal predecessors, (120), 3 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2023-11-29 06:36:12,376 INFO L276 IsEmpty]: Start isEmpty. Operand 2422 states and 3432 transitions. [2023-11-29 06:36:12,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2023-11-29 06:36:12,385 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:36:12,385 INFO L195 NwaCegarLoop]: trace histogram [8, 6, 6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:36:12,395 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2023-11-29 06:36:12,585 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-11-29 06:36:12,586 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:36:12,586 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:36:12,586 INFO L85 PathProgramCache]: Analyzing trace with hash -1269881317, now seen corresponding path program 1 times [2023-11-29 06:36:12,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:36:12,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069016344] [2023-11-29 06:36:12,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:36:12,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:36:12,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:12,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-29 06:36:12,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:12,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-29 06:36:12,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:12,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 06:36:12,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:12,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-29 06:36:12,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:12,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 06:36:12,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:12,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-29 06:36:12,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:12,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-29 06:36:13,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:13,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:13,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:13,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:13,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:13,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:13,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:13,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:36:13,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:13,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 06:36:13,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:13,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:13,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:13,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:13,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:13,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-29 06:36:13,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:13,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:13,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:13,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-29 06:36:13,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:13,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:13,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:13,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-29 06:36:13,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:13,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:13,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:13,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-29 06:36:13,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:13,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-29 06:36:13,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:13,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-29 06:36:13,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:13,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:13,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:13,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:13,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:13,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:36:13,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:13,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 06:36:13,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:13,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:13,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:13,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:13,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:13,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-29 06:36:13,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:13,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:13,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:13,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-29 06:36:13,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:13,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:13,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:13,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-29 06:36:13,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:13,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:13,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:13,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-29 06:36:13,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:13,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-29 06:36:13,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:13,649 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 2 proven. 29 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2023-11-29 06:36:13,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:36:13,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069016344] [2023-11-29 06:36:13,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069016344] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:36:13,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1776146847] [2023-11-29 06:36:13,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:36:13,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:36:13,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:36:13,650 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:36:13,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-29 06:36:14,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:14,555 INFO L262 TraceCheckSpWp]: Trace formula consists of 2517 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 06:36:14,561 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:36:14,581 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2023-11-29 06:36:14,582 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:36:14,884 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2023-11-29 06:36:14,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1776146847] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 06:36:14,884 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 06:36:14,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 4, 4] total 13 [2023-11-29 06:36:14,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908021318] [2023-11-29 06:36:14,885 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 06:36:14,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 06:36:14,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:36:14,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 06:36:14,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2023-11-29 06:36:14,888 INFO L87 Difference]: Start difference. First operand 2422 states and 3432 transitions. Second operand has 13 states, 13 states have (on average 13.76923076923077) internal successors, (179), 10 states have internal predecessors, (179), 7 states have call successors, (56), 5 states have call predecessors, (56), 3 states have return successors, (54), 7 states have call predecessors, (54), 7 states have call successors, (54) [2023-11-29 06:36:23,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:36:23,995 INFO L93 Difference]: Finished difference Result 5659 states and 8413 transitions. [2023-11-29 06:36:23,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-29 06:36:23,996 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 13.76923076923077) internal successors, (179), 10 states have internal predecessors, (179), 7 states have call successors, (56), 5 states have call predecessors, (56), 3 states have return successors, (54), 7 states have call predecessors, (54), 7 states have call successors, (54) Word has length 232 [2023-11-29 06:36:23,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:36:24,012 INFO L225 Difference]: With dead ends: 5659 [2023-11-29 06:36:24,012 INFO L226 Difference]: Without dead ends: 2944 [2023-11-29 06:36:24,026 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 554 GetRequests, 538 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=75, Invalid=231, Unknown=0, NotChecked=0, Total=306 [2023-11-29 06:36:24,026 INFO L413 NwaCegarLoop]: 221 mSDtfsCounter, 969 mSDsluCounter, 859 mSDsCounter, 0 mSdLazyCounter, 2520 mSolverCounterSat, 520 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1035 SdHoareTripleChecker+Valid, 1080 SdHoareTripleChecker+Invalid, 3040 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 520 IncrementalHoareTripleChecker+Valid, 2520 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2023-11-29 06:36:24,027 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1035 Valid, 1080 Invalid, 3040 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [520 Valid, 2520 Invalid, 0 Unknown, 0 Unchecked, 8.6s Time] [2023-11-29 06:36:24,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2944 states. [2023-11-29 06:36:24,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2944 to 2714. [2023-11-29 06:36:24,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2714 states, 1882 states have (on average 1.373538788522848) internal successors, (2585), 1903 states have internal predecessors, (2585), 631 states have call successors, (631), 194 states have call predecessors, (631), 200 states have return successors, (658), 637 states have call predecessors, (658), 630 states have call successors, (658) [2023-11-29 06:36:24,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 3874 transitions. [2023-11-29 06:36:24,253 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 3874 transitions. Word has length 232 [2023-11-29 06:36:24,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:36:24,253 INFO L495 AbstractCegarLoop]: Abstraction has 2714 states and 3874 transitions. [2023-11-29 06:36:24,253 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 13.76923076923077) internal successors, (179), 10 states have internal predecessors, (179), 7 states have call successors, (56), 5 states have call predecessors, (56), 3 states have return successors, (54), 7 states have call predecessors, (54), 7 states have call successors, (54) [2023-11-29 06:36:24,253 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3874 transitions. [2023-11-29 06:36:24,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2023-11-29 06:36:24,261 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:36:24,262 INFO L195 NwaCegarLoop]: trace histogram [8, 6, 6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:36:24,276 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2023-11-29 06:36:24,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-11-29 06:36:24,462 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:36:24,463 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:36:24,463 INFO L85 PathProgramCache]: Analyzing trace with hash -947262377, now seen corresponding path program 1 times [2023-11-29 06:36:24,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:36:24,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037486784] [2023-11-29 06:36:24,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:36:24,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:36:24,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:24,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-29 06:36:24,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:24,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-29 06:36:24,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:24,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 06:36:24,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:24,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-29 06:36:24,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:24,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-11-29 06:36:24,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:24,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-29 06:36:25,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:25,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:25,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:25,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:25,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:25,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:25,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:25,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:36:25,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:25,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 06:36:25,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:25,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:25,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:25,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:25,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:25,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-29 06:36:25,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:25,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:25,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:25,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-29 06:36:25,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:25,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:25,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:25,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-29 06:36:25,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:25,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:25,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:25,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-29 06:36:25,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:25,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-29 06:36:25,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:25,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-29 06:36:25,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:25,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:25,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:25,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:25,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:25,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:36:25,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:25,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 06:36:25,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:25,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:25,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:25,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:25,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:25,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-29 06:36:25,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:25,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:25,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:25,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-29 06:36:25,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:25,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:25,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:25,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-29 06:36:25,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:25,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:25,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:25,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-29 06:36:25,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:25,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-29 06:36:25,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:25,590 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 2 proven. 28 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2023-11-29 06:36:25,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:36:25,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037486784] [2023-11-29 06:36:25,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037486784] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:36:25,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [854014795] [2023-11-29 06:36:25,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:36:25,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:36:25,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:36:25,592 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:36:25,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-11-29 06:36:26,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:26,374 INFO L262 TraceCheckSpWp]: Trace formula consists of 2568 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 06:36:26,379 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:36:26,410 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2023-11-29 06:36:26,410 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:36:26,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [854014795] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:36:26,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 06:36:26,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [10] total 12 [2023-11-29 06:36:26,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164583712] [2023-11-29 06:36:26,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:36:26,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:36:26,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:36:26,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:36:26,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-11-29 06:36:26,413 INFO L87 Difference]: Start difference. First operand 2714 states and 3874 transitions. Second operand has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-29 06:36:26,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:36:26,774 INFO L93 Difference]: Finished difference Result 5436 states and 7759 transitions. [2023-11-29 06:36:26,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 06:36:26,775 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 233 [2023-11-29 06:36:26,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:36:26,788 INFO L225 Difference]: With dead ends: 5436 [2023-11-29 06:36:26,788 INFO L226 Difference]: Without dead ends: 2714 [2023-11-29 06:36:26,796 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 314 GetRequests, 303 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2023-11-29 06:36:26,797 INFO L413 NwaCegarLoop]: 629 mSDtfsCounter, 3 mSDsluCounter, 1255 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1884 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:36:26,797 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1884 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:36:26,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2714 states. [2023-11-29 06:36:26,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2714 to 2714. [2023-11-29 06:36:26,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2714 states, 1882 states have (on average 1.3719447396386824) internal successors, (2582), 1903 states have internal predecessors, (2582), 631 states have call successors, (631), 194 states have call predecessors, (631), 200 states have return successors, (658), 637 states have call predecessors, (658), 630 states have call successors, (658) [2023-11-29 06:36:26,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 3871 transitions. [2023-11-29 06:36:26,993 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 3871 transitions. Word has length 233 [2023-11-29 06:36:26,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:36:26,994 INFO L495 AbstractCegarLoop]: Abstraction has 2714 states and 3871 transitions. [2023-11-29 06:36:26,994 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-29 06:36:26,994 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3871 transitions. [2023-11-29 06:36:27,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2023-11-29 06:36:27,004 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:36:27,004 INFO L195 NwaCegarLoop]: trace histogram [8, 6, 6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:36:27,014 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-11-29 06:36:27,204 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:36:27,205 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:36:27,205 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:36:27,205 INFO L85 PathProgramCache]: Analyzing trace with hash -1874015111, now seen corresponding path program 1 times [2023-11-29 06:36:27,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:36:27,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485460170] [2023-11-29 06:36:27,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:36:27,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:36:27,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:27,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-29 06:36:27,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:27,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-29 06:36:27,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:27,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 06:36:27,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:27,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-29 06:36:27,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:27,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-29 06:36:27,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:27,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-29 06:36:27,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:27,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:27,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:27,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:27,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:27,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:27,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:27,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:36:27,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:27,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 06:36:27,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:27,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:27,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:27,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:27,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:27,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-29 06:36:27,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:27,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:27,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:27,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-29 06:36:27,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:27,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:27,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:27,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-29 06:36:27,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:27,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:27,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:27,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-29 06:36:27,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:27,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-29 06:36:27,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:27,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-29 06:36:28,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:28,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:28,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:28,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:28,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:28,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:36:28,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:28,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 06:36:28,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:28,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:28,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:28,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:28,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:28,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-29 06:36:28,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:28,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:28,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:28,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-29 06:36:28,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:28,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:28,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:28,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-29 06:36:28,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:28,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:28,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:28,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-29 06:36:28,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:28,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-29 06:36:28,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:28,083 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 2 proven. 28 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2023-11-29 06:36:28,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:36:28,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485460170] [2023-11-29 06:36:28,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485460170] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:36:28,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1752682538] [2023-11-29 06:36:28,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:36:28,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:36:28,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:36:28,085 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:36:28,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-11-29 06:36:28,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:28,883 INFO L262 TraceCheckSpWp]: Trace formula consists of 2585 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 06:36:28,888 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:36:28,906 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2023-11-29 06:36:28,906 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:36:28,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1752682538] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:36:28,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 06:36:28,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2023-11-29 06:36:28,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199777437] [2023-11-29 06:36:28,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:36:28,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:36:28,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:36:28,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:36:28,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2023-11-29 06:36:28,909 INFO L87 Difference]: Start difference. First operand 2714 states and 3871 transitions. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-29 06:36:29,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:36:29,262 INFO L93 Difference]: Finished difference Result 5454 states and 7786 transitions. [2023-11-29 06:36:29,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:36:29,262 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 235 [2023-11-29 06:36:29,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:36:29,275 INFO L225 Difference]: With dead ends: 5454 [2023-11-29 06:36:29,275 INFO L226 Difference]: Without dead ends: 2741 [2023-11-29 06:36:29,282 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 314 GetRequests, 306 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2023-11-29 06:36:29,282 INFO L413 NwaCegarLoop]: 627 mSDtfsCounter, 5 mSDsluCounter, 623 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 1250 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:36:29,283 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 1250 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:36:29,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2741 states. [2023-11-29 06:36:29,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2741 to 2723. [2023-11-29 06:36:29,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2723 states, 1891 states have (on average 1.370174510840825) internal successors, (2591), 1912 states have internal predecessors, (2591), 631 states have call successors, (631), 194 states have call predecessors, (631), 200 states have return successors, (658), 637 states have call predecessors, (658), 630 states have call successors, (658) [2023-11-29 06:36:29,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2723 states to 2723 states and 3880 transitions. [2023-11-29 06:36:29,483 INFO L78 Accepts]: Start accepts. Automaton has 2723 states and 3880 transitions. Word has length 235 [2023-11-29 06:36:29,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:36:29,484 INFO L495 AbstractCegarLoop]: Abstraction has 2723 states and 3880 transitions. [2023-11-29 06:36:29,484 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-29 06:36:29,484 INFO L276 IsEmpty]: Start isEmpty. Operand 2723 states and 3880 transitions. [2023-11-29 06:36:29,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2023-11-29 06:36:29,492 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:36:29,493 INFO L195 NwaCegarLoop]: trace histogram [8, 6, 6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:36:29,504 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2023-11-29 06:36:29,693 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:36:29,694 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:36:29,694 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:36:29,694 INFO L85 PathProgramCache]: Analyzing trace with hash -662942881, now seen corresponding path program 1 times [2023-11-29 06:36:29,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:36:29,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047096689] [2023-11-29 06:36:29,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:36:29,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:36:29,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:30,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-29 06:36:30,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:30,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-29 06:36:30,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:30,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 06:36:30,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:30,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-29 06:36:30,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:30,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-29 06:36:30,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:30,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-29 06:36:30,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:30,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-29 06:36:30,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:30,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:30,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:30,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:30,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:30,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:30,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:30,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:36:30,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:30,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 06:36:30,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:30,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:30,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:30,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:30,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:30,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-29 06:36:30,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:30,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:30,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:30,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-29 06:36:30,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:30,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:30,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:30,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-29 06:36:30,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:30,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:30,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:30,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-29 06:36:30,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:30,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-29 06:36:30,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:30,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-29 06:36:30,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:30,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:30,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:30,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:30,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:30,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:36:30,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:30,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 06:36:30,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:30,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:30,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:30,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:30,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:30,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-29 06:36:30,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:30,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:30,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:30,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-29 06:36:30,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:30,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:30,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:30,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-29 06:36:30,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:30,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:30,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:30,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-29 06:36:30,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:30,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-29 06:36:30,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:30,578 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 2 proven. 29 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2023-11-29 06:36:30,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:36:30,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047096689] [2023-11-29 06:36:30,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047096689] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:36:30,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [819868877] [2023-11-29 06:36:30,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:36:30,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:36:30,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:36:30,581 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:36:30,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-11-29 06:36:31,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:31,332 INFO L262 TraceCheckSpWp]: Trace formula consists of 2607 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 06:36:31,337 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:36:31,359 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2023-11-29 06:36:31,359 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:36:31,652 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2023-11-29 06:36:31,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [819868877] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 06:36:31,652 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 06:36:31,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 4, 4] total 13 [2023-11-29 06:36:31,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819721530] [2023-11-29 06:36:31,652 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 06:36:31,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 06:36:31,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:36:31,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 06:36:31,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2023-11-29 06:36:31,654 INFO L87 Difference]: Start difference. First operand 2723 states and 3880 transitions. Second operand has 13 states, 13 states have (on average 13.76923076923077) internal successors, (179), 9 states have internal predecessors, (179), 6 states have call successors, (57), 6 states have call predecessors, (57), 2 states have return successors, (54), 6 states have call predecessors, (54), 6 states have call successors, (54) [2023-11-29 06:36:43,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:36:43,347 INFO L93 Difference]: Finished difference Result 6302 states and 9346 transitions. [2023-11-29 06:36:43,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 06:36:43,347 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 13.76923076923077) internal successors, (179), 9 states have internal predecessors, (179), 6 states have call successors, (57), 6 states have call predecessors, (57), 2 states have return successors, (54), 6 states have call predecessors, (54), 6 states have call successors, (54) Word has length 240 [2023-11-29 06:36:43,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:36:43,358 INFO L225 Difference]: With dead ends: 6302 [2023-11-29 06:36:43,359 INFO L226 Difference]: Without dead ends: 3531 [2023-11-29 06:36:43,364 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 569 GetRequests, 554 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2023-11-29 06:36:43,365 INFO L413 NwaCegarLoop]: 208 mSDtfsCounter, 939 mSDsluCounter, 1053 mSDsCounter, 0 mSdLazyCounter, 3368 mSolverCounterSat, 542 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 989 SdHoareTripleChecker+Valid, 1261 SdHoareTripleChecker+Invalid, 3910 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 542 IncrementalHoareTripleChecker+Valid, 3368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.2s IncrementalHoareTripleChecker+Time [2023-11-29 06:36:43,365 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [989 Valid, 1261 Invalid, 3910 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [542 Valid, 3368 Invalid, 0 Unknown, 0 Unchecked, 11.2s Time] [2023-11-29 06:36:43,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3531 states. [2023-11-29 06:36:43,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3531 to 3035. [2023-11-29 06:36:43,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3035 states, 2157 states have (on average 1.367640241075568) internal successors, (2950), 2171 states have internal predecessors, (2950), 677 states have call successors, (677), 194 states have call predecessors, (677), 200 states have return successors, (704), 683 states have call predecessors, (704), 676 states have call successors, (704) [2023-11-29 06:36:43,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3035 states to 3035 states and 4331 transitions. [2023-11-29 06:36:43,571 INFO L78 Accepts]: Start accepts. Automaton has 3035 states and 4331 transitions. Word has length 240 [2023-11-29 06:36:43,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:36:43,571 INFO L495 AbstractCegarLoop]: Abstraction has 3035 states and 4331 transitions. [2023-11-29 06:36:43,571 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 13.76923076923077) internal successors, (179), 9 states have internal predecessors, (179), 6 states have call successors, (57), 6 states have call predecessors, (57), 2 states have return successors, (54), 6 states have call predecessors, (54), 6 states have call successors, (54) [2023-11-29 06:36:43,571 INFO L276 IsEmpty]: Start isEmpty. Operand 3035 states and 4331 transitions. [2023-11-29 06:36:43,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2023-11-29 06:36:43,577 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:36:43,577 INFO L195 NwaCegarLoop]: trace histogram [8, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:36:43,586 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2023-11-29 06:36:43,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2023-11-29 06:36:43,778 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:36:43,778 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:36:43,779 INFO L85 PathProgramCache]: Analyzing trace with hash 926434339, now seen corresponding path program 1 times [2023-11-29 06:36:43,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:36:43,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947929047] [2023-11-29 06:36:43,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:36:43,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:36:43,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:44,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-29 06:36:44,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:44,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-29 06:36:44,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:44,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 06:36:44,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:44,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-29 06:36:44,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:44,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-29 06:36:44,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:44,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-29 06:36:44,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:44,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-11-29 06:36:44,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:44,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-29 06:36:44,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:44,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-29 06:36:44,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:44,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 06:36:44,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:44,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:44,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:44,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:44,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:44,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:44,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:45,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:36:45,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:45,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 06:36:45,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:45,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:45,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:45,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:45,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:45,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 06:36:45,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:45,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:45,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:45,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-29 06:36:45,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:45,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:45,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:45,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-29 06:36:45,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:45,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:45,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:45,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-29 06:36:45,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:45,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-29 06:36:45,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:45,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-29 06:36:45,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:45,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:45,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:45,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:45,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:45,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:36:45,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:45,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 06:36:45,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:45,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:45,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:45,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:45,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:45,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 06:36:45,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:45,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:45,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:45,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-29 06:36:45,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:45,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:45,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:45,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-29 06:36:45,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:45,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:45,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:45,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-29 06:36:45,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:45,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-29 06:36:45,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:45,191 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 2 proven. 26 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2023-11-29 06:36:45,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:36:45,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947929047] [2023-11-29 06:36:45,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947929047] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:36:45,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [929166252] [2023-11-29 06:36:45,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:36:45,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:36:45,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:36:45,192 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:36:45,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-11-29 06:36:45,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:45,975 INFO L262 TraceCheckSpWp]: Trace formula consists of 2669 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 06:36:45,980 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:36:46,014 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-29 06:36:46,014 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:36:46,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [929166252] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:36:46,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 06:36:46,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [12] total 14 [2023-11-29 06:36:46,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021588687] [2023-11-29 06:36:46,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:36:46,015 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:36:46,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:36:46,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:36:46,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2023-11-29 06:36:46,016 INFO L87 Difference]: Start difference. First operand 3035 states and 4331 transitions. Second operand has 4 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-29 06:36:46,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:36:46,393 INFO L93 Difference]: Finished difference Result 6078 states and 8673 transitions. [2023-11-29 06:36:46,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 06:36:46,394 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 257 [2023-11-29 06:36:46,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:36:46,404 INFO L225 Difference]: With dead ends: 6078 [2023-11-29 06:36:46,405 INFO L226 Difference]: Without dead ends: 2996 [2023-11-29 06:36:46,410 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 349 GetRequests, 336 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2023-11-29 06:36:46,411 INFO L413 NwaCegarLoop]: 630 mSDtfsCounter, 3 mSDsluCounter, 1254 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1884 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:36:46,411 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1884 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:36:46,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2996 states. [2023-11-29 06:36:46,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2996 to 2996. [2023-11-29 06:36:46,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2996 states, 2130 states have (on average 1.3694835680751174) internal successors, (2917), 2144 states have internal predecessors, (2917), 665 states have call successors, (665), 194 states have call predecessors, (665), 200 states have return successors, (692), 671 states have call predecessors, (692), 664 states have call successors, (692) [2023-11-29 06:36:46,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2996 states to 2996 states and 4274 transitions. [2023-11-29 06:36:46,601 INFO L78 Accepts]: Start accepts. Automaton has 2996 states and 4274 transitions. Word has length 257 [2023-11-29 06:36:46,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:36:46,601 INFO L495 AbstractCegarLoop]: Abstraction has 2996 states and 4274 transitions. [2023-11-29 06:36:46,601 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-29 06:36:46,601 INFO L276 IsEmpty]: Start isEmpty. Operand 2996 states and 4274 transitions. [2023-11-29 06:36:46,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2023-11-29 06:36:46,607 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:36:46,607 INFO L195 NwaCegarLoop]: trace histogram [8, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:36:46,617 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2023-11-29 06:36:46,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:36:46,808 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:36:46,808 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:36:46,808 INFO L85 PathProgramCache]: Analyzing trace with hash -1891737531, now seen corresponding path program 1 times [2023-11-29 06:36:46,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:36:46,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187841478] [2023-11-29 06:36:46,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:36:46,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:36:46,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:47,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-29 06:36:47,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:47,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-29 06:36:47,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:47,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 06:36:47,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:47,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 06:36:47,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:47,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-29 06:36:47,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:47,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-29 06:36:47,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:47,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-11-29 06:36:47,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:47,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:47,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:47,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:47,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:47,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:47,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:47,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:36:47,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:47,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 06:36:47,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:48,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:48,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:48,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:48,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:48,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 06:36:48,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:48,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:48,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:48,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-29 06:36:48,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:48,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:48,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:48,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-29 06:36:48,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:48,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:48,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:48,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-29 06:36:48,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:48,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-29 06:36:48,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:48,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-29 06:36:48,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:48,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:48,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:48,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:48,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:48,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:36:48,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:48,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 06:36:48,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:48,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:48,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:48,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:48,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:48,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 06:36:48,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:48,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:48,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:48,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-29 06:36:48,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:48,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:48,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:48,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-29 06:36:48,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:48,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:48,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:48,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-29 06:36:48,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:48,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-29 06:36:48,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:48,157 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 2 proven. 26 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2023-11-29 06:36:48,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:36:48,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187841478] [2023-11-29 06:36:48,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187841478] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:36:48,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [480209492] [2023-11-29 06:36:48,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:36:48,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:36:48,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:36:48,159 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:36:48,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-11-29 06:36:49,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:49,195 INFO L262 TraceCheckSpWp]: Trace formula consists of 2761 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 06:36:49,201 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:36:49,300 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2023-11-29 06:36:49,300 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:36:49,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [480209492] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:36:49,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 06:36:49,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [13] total 16 [2023-11-29 06:36:49,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767603519] [2023-11-29 06:36:49,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:36:49,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 06:36:49,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:36:49,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 06:36:49,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2023-11-29 06:36:49,303 INFO L87 Difference]: Start difference. First operand 2996 states and 4274 transitions. Second operand has 5 states, 5 states have (on average 28.2) internal successors, (141), 5 states have internal predecessors, (141), 4 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2023-11-29 06:36:49,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:36:49,885 INFO L93 Difference]: Finished difference Result 6621 states and 9699 transitions. [2023-11-29 06:36:49,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 06:36:49,886 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.2) internal successors, (141), 5 states have internal predecessors, (141), 4 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) Word has length 256 [2023-11-29 06:36:49,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:36:49,899 INFO L225 Difference]: With dead ends: 6621 [2023-11-29 06:36:49,899 INFO L226 Difference]: Without dead ends: 3437 [2023-11-29 06:36:49,907 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 327 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2023-11-29 06:36:49,907 INFO L413 NwaCegarLoop]: 633 mSDtfsCounter, 110 mSDsluCounter, 1795 mSDsCounter, 0 mSdLazyCounter, 305 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 2428 SdHoareTripleChecker+Invalid, 325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 06:36:49,908 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 2428 Invalid, 325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 305 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 06:36:49,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3437 states. [2023-11-29 06:36:50,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3437 to 3150. [2023-11-29 06:36:50,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3150 states, 2284 states have (on average 1.384413309982487) internal successors, (3162), 2298 states have internal predecessors, (3162), 665 states have call successors, (665), 194 states have call predecessors, (665), 200 states have return successors, (692), 671 states have call predecessors, (692), 664 states have call successors, (692) [2023-11-29 06:36:50,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3150 states to 3150 states and 4519 transitions. [2023-11-29 06:36:50,105 INFO L78 Accepts]: Start accepts. Automaton has 3150 states and 4519 transitions. Word has length 256 [2023-11-29 06:36:50,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:36:50,106 INFO L495 AbstractCegarLoop]: Abstraction has 3150 states and 4519 transitions. [2023-11-29 06:36:50,106 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.2) internal successors, (141), 5 states have internal predecessors, (141), 4 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2023-11-29 06:36:50,106 INFO L276 IsEmpty]: Start isEmpty. Operand 3150 states and 4519 transitions. [2023-11-29 06:36:50,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2023-11-29 06:36:50,111 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:36:50,112 INFO L195 NwaCegarLoop]: trace histogram [8, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:36:50,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2023-11-29 06:36:50,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:36:50,313 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:36:50,313 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:36:50,313 INFO L85 PathProgramCache]: Analyzing trace with hash 487725829, now seen corresponding path program 1 times [2023-11-29 06:36:50,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:36:50,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861592244] [2023-11-29 06:36:50,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:36:50,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:36:50,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:50,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-29 06:36:50,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:50,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-29 06:36:50,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:50,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 06:36:50,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:50,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 06:36:50,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:50,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-29 06:36:50,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:50,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-29 06:36:50,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:50,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-11-29 06:36:50,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:51,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:51,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:51,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:51,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:51,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:51,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:51,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:36:51,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:51,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 06:36:51,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:51,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:51,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:51,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:51,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:51,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 06:36:51,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:51,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:51,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:51,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-29 06:36:51,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:51,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:51,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:51,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-29 06:36:51,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:51,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:51,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:51,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-29 06:36:51,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:51,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-29 06:36:51,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:51,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-29 06:36:51,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:51,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:51,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:51,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:51,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:51,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:36:51,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:51,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 06:36:51,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:51,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:51,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:51,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:51,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:51,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 06:36:51,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:51,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:51,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:51,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-29 06:36:51,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:51,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:51,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:51,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-29 06:36:51,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:51,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:36:51,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:51,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-29 06:36:51,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:51,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-29 06:36:51,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:51,344 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 2 proven. 26 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2023-11-29 06:36:51,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:36:51,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861592244] [2023-11-29 06:36:51,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861592244] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:36:51,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1586047745] [2023-11-29 06:36:51,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:36:51,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:36:51,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:36:51,345 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:36:51,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2023-11-29 06:36:52,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:52,291 INFO L262 TraceCheckSpWp]: Trace formula consists of 2765 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 06:36:52,298 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:36:52,483 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-11-29 06:36:52,483 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:36:52,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1586047745] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:36:52,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 06:36:52,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [13] total 14 [2023-11-29 06:36:52,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026103674] [2023-11-29 06:36:52,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:36:52,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:36:52,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:36:52,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:36:52,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2023-11-29 06:36:52,485 INFO L87 Difference]: Start difference. First operand 3150 states and 4519 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (25), 3 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-29 06:36:52,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:36:52,854 INFO L93 Difference]: Finished difference Result 3150 states and 4519 transitions. [2023-11-29 06:36:52,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:36:52,855 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (25), 3 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 256 [2023-11-29 06:36:52,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:36:52,856 INFO L225 Difference]: With dead ends: 3150 [2023-11-29 06:36:52,856 INFO L226 Difference]: Without dead ends: 0 [2023-11-29 06:36:52,861 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 341 GetRequests, 329 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2023-11-29 06:36:52,861 INFO L413 NwaCegarLoop]: 622 mSDtfsCounter, 266 mSDsluCounter, 567 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 1189 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:36:52,861 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 1189 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:36:52,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-29 06:36:52,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-29 06:36:52,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:36:52,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-29 06:36:52,863 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 256 [2023-11-29 06:36:52,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:36:52,863 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 06:36:52,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (25), 3 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-29 06:36:52,863 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-29 06:36:52,863 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-29 06:36:52,865 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 06:36:52,875 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2023-11-29 06:36:53,066 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2023-11-29 06:36:53,067 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-29 06:37:18,379 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 5692 5694) the Hoare annotation is: true [2023-11-29 06:37:18,379 INFO L899 garLoopResultBuilder]: For program point pi_releaseEXIT(lines 5692 5694) no Hoare annotation was computed. [2023-11-29 06:37:18,379 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3724 3749) the Hoare annotation is: true [2023-11-29 06:37:18,379 INFO L899 garLoopResultBuilder]: For program point L3734(lines 3734 3746) no Hoare annotation was computed. [2023-11-29 06:37:18,379 INFO L902 garLoopResultBuilder]: At program point L3732(line 3732) the Hoare annotation is: true [2023-11-29 06:37:18,379 INFO L899 garLoopResultBuilder]: For program point L3734-2(lines 3734 3746) no Hoare annotation was computed. [2023-11-29 06:37:18,379 INFO L899 garLoopResultBuilder]: For program point L3732-1(line 3732) no Hoare annotation was computed. [2023-11-29 06:37:18,379 INFO L899 garLoopResultBuilder]: For program point pf_getgeoEXIT(lines 3724 3749) no Hoare annotation was computed. [2023-11-29 06:37:18,380 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3808 3814) the Hoare annotation is: true [2023-11-29 06:37:18,380 INFO L899 garLoopResultBuilder]: For program point write_regEXIT(lines 3808 3814) no Hoare annotation was computed. [2023-11-29 06:37:18,380 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3794 3800) the Hoare annotation is: true [2023-11-29 06:37:18,380 INFO L899 garLoopResultBuilder]: For program point status_regEXIT(lines 3794 3800) no Hoare annotation was computed. [2023-11-29 06:37:18,380 INFO L899 garLoopResultBuilder]: For program point L3797-1(line 3797) no Hoare annotation was computed. [2023-11-29 06:37:18,380 INFO L902 garLoopResultBuilder]: At program point L3797(line 3797) the Hoare annotation is: true [2023-11-29 06:37:18,380 INFO L899 garLoopResultBuilder]: For program point L3842-1(line 3842) no Hoare annotation was computed. [2023-11-29 06:37:18,380 INFO L895 garLoopResultBuilder]: At program point L3826(lines 3822 3858) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse2 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse3 (not (= ~disable~0 0))) (.cse4 (= pf_wait_~go |pf_wait_#in~go|)) (.cse5 (not (= ~ldv_retval_pf_init~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse4 .cse5))) [2023-11-29 06:37:18,381 INFO L899 garLoopResultBuilder]: For program point L3843-1(line 3843) no Hoare annotation was computed. [2023-11-29 06:37:18,381 INFO L895 garLoopResultBuilder]: At program point L3843(line 3843) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse2 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse3 (not (= ~disable~0 0))) (.cse4 (= pf_wait_~go |pf_wait_#in~go|)) (.cse5 (not (= ~ldv_retval_pf_init~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse4 .cse5))) [2023-11-29 06:37:18,381 INFO L899 garLoopResultBuilder]: For program point pf_waitFINAL(lines 3815 3859) no Hoare annotation was computed. [2023-11-29 06:37:18,381 INFO L899 garLoopResultBuilder]: For program point pf_waitEXIT(lines 3815 3859) no Hoare annotation was computed. [2023-11-29 06:37:18,381 INFO L895 garLoopResultBuilder]: At program point ldv_30080(lines 3822 3858) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse2 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse3 (not (= ~disable~0 0))) (.cse4 (= pf_wait_~go |pf_wait_#in~go|)) (.cse5 (not (= ~ldv_retval_pf_init~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse4 .cse5))) [2023-11-29 06:37:18,381 INFO L895 garLoopResultBuilder]: At program point L3844(line 3844) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse2 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse3 (not (= ~disable~0 0))) (.cse4 (= pf_wait_~go |pf_wait_#in~go|)) (.cse5 (not (= ~ldv_retval_pf_init~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse4 .cse5))) [2023-11-29 06:37:18,381 INFO L899 garLoopResultBuilder]: For program point $Ultimate##24(line 3841) no Hoare annotation was computed. [2023-11-29 06:37:18,382 INFO L899 garLoopResultBuilder]: For program point L3844-1(line 3844) no Hoare annotation was computed. [2023-11-29 06:37:18,382 INFO L899 garLoopResultBuilder]: For program point L3832(lines 3832 3836) no Hoare annotation was computed. [2023-11-29 06:37:18,382 INFO L899 garLoopResultBuilder]: For program point L3828(line 3828) no Hoare annotation was computed. [2023-11-29 06:37:18,382 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3815 3859) the Hoare annotation is: true [2023-11-29 06:37:18,382 INFO L899 garLoopResultBuilder]: For program point L3849-1(lines 3849 3853) no Hoare annotation was computed. [2023-11-29 06:37:18,382 INFO L899 garLoopResultBuilder]: For program point L3845(lines 3845 3848) no Hoare annotation was computed. [2023-11-29 06:37:18,382 INFO L899 garLoopResultBuilder]: For program point L3845-2(lines 3841 3855) no Hoare annotation was computed. [2023-11-29 06:37:18,382 INFO L899 garLoopResultBuilder]: For program point L3841-1(line 3841) no Hoare annotation was computed. [2023-11-29 06:37:18,382 INFO L899 garLoopResultBuilder]: For program point L3841-3(lines 3841 3856) no Hoare annotation was computed. [2023-11-29 06:37:18,382 INFO L899 garLoopResultBuilder]: For program point L3829(line 3829) no Hoare annotation was computed. [2023-11-29 06:37:18,382 INFO L899 garLoopResultBuilder]: For program point L3829-2(line 3829) no Hoare annotation was computed. [2023-11-29 06:37:18,383 INFO L899 garLoopResultBuilder]: For program point L3829-5(line 3829) no Hoare annotation was computed. [2023-11-29 06:37:18,383 INFO L899 garLoopResultBuilder]: For program point L3829-4(line 3829) no Hoare annotation was computed. [2023-11-29 06:37:18,383 INFO L899 garLoopResultBuilder]: For program point L3829-7(line 3829) no Hoare annotation was computed. [2023-11-29 06:37:18,383 INFO L899 garLoopResultBuilder]: For program point L3829-8(line 3829) no Hoare annotation was computed. [2023-11-29 06:37:18,383 INFO L895 garLoopResultBuilder]: At program point L3850(lines 3850 3851) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse2 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse3 (not (= ~disable~0 0))) (.cse4 (= pf_wait_~go |pf_wait_#in~go|)) (.cse5 (not (= ~ldv_retval_pf_init~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse4 .cse5))) [2023-11-29 06:37:18,383 INFO L899 garLoopResultBuilder]: For program point L3829-10(line 3829) no Hoare annotation was computed. [2023-11-29 06:37:18,383 INFO L899 garLoopResultBuilder]: For program point L3829-12(line 3829) no Hoare annotation was computed. [2023-11-29 06:37:18,383 INFO L899 garLoopResultBuilder]: For program point L3850-1(lines 3850 3851) no Hoare annotation was computed. [2023-11-29 06:37:18,383 INFO L899 garLoopResultBuilder]: For program point L3829-15(lines 3829 3839) no Hoare annotation was computed. [2023-11-29 06:37:18,384 INFO L899 garLoopResultBuilder]: For program point L3846(line 3846) no Hoare annotation was computed. [2023-11-29 06:37:18,384 INFO L899 garLoopResultBuilder]: For program point L3829-14(line 3829) no Hoare annotation was computed. [2023-11-29 06:37:18,384 INFO L899 garLoopResultBuilder]: For program point L3846-2(line 3846) no Hoare annotation was computed. [2023-11-29 06:37:18,384 INFO L895 garLoopResultBuilder]: At program point L3842(line 3842) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse2 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse3 (not (= ~disable~0 0))) (.cse4 (= pf_wait_~go |pf_wait_#in~go|)) (.cse5 (not (= ~ldv_retval_pf_init~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse4 .cse5))) [2023-11-29 06:37:18,384 INFO L899 garLoopResultBuilder]: For program point L3846-4(line 3846) no Hoare annotation was computed. [2023-11-29 06:37:18,384 INFO L902 garLoopResultBuilder]: At program point L3804(line 3804) the Hoare annotation is: true [2023-11-29 06:37:18,384 INFO L899 garLoopResultBuilder]: For program point read_regEXIT(lines 3801 3807) no Hoare annotation was computed. [2023-11-29 06:37:18,384 INFO L899 garLoopResultBuilder]: For program point L3804-1(line 3804) no Hoare annotation was computed. [2023-11-29 06:37:18,384 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3801 3807) the Hoare annotation is: true [2023-11-29 06:37:18,385 INFO L899 garLoopResultBuilder]: For program point L5647(line 5647) no Hoare annotation was computed. [2023-11-29 06:37:18,385 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 5645 5649) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~disable~0 0)) (not (= ~ldv_state_variable_0~0 1)) (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) (not (= ~ldv_mutex_pf_mutex~0 1)) (not (= ~ldv_retval_pf_init~0 0))) [2023-11-29 06:37:18,385 INFO L899 garLoopResultBuilder]: For program point ldv_mallocFINAL(lines 5645 5649) no Hoare annotation was computed. [2023-11-29 06:37:18,385 INFO L899 garLoopResultBuilder]: For program point ldv_mallocEXIT(lines 5645 5649) no Hoare annotation was computed. [2023-11-29 06:37:18,385 INFO L899 garLoopResultBuilder]: For program point L5583(lines 5583 5586) no Hoare annotation was computed. [2023-11-29 06:37:18,385 INFO L895 garLoopResultBuilder]: At program point L5585(line 5585) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~disable~0 0)) (not (= 2 |old(~ldv_mutex_pf_mutex~0)|)) (not (= ~ldv_retval_pf_init~0 0))) [2023-11-29 06:37:18,385 INFO L899 garLoopResultBuilder]: For program point L5585-1(lines 5583 5586) no Hoare annotation was computed. [2023-11-29 06:37:18,385 INFO L899 garLoopResultBuilder]: For program point ldv_mutex_unlock_pf_mutexEXIT(lines 5580 5590) no Hoare annotation was computed. [2023-11-29 06:37:18,386 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 5580 5590) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (= 2 ~ldv_mutex_pf_mutex~0) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~disable~0 0)) (not (= 2 |old(~ldv_mutex_pf_mutex~0)|)) (not (= ~ldv_retval_pf_init~0 0))) [2023-11-29 06:37:18,386 INFO L899 garLoopResultBuilder]: For program point mutex_unlockEXIT(lines 5669 5671) no Hoare annotation was computed. [2023-11-29 06:37:18,386 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 5669 5671) the Hoare annotation is: true [2023-11-29 06:37:18,386 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 5162 5167) the Hoare annotation is: true [2023-11-29 06:37:18,386 INFO L899 garLoopResultBuilder]: For program point ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5165) no Hoare annotation was computed. [2023-11-29 06:37:18,386 INFO L899 garLoopResultBuilder]: For program point ldv_errorEXIT(lines 5162 5167) no Hoare annotation was computed. [2023-11-29 06:37:18,386 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 3447 3453) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (and (= |#memory_int#19| |old(#memory_int#19)|) (= |old(#memory_$Pointer$#19.base)| |#memory_$Pointer$#19.base|) (= |#memory_$Pointer$#19.offset| |old(#memory_$Pointer$#19.offset)|))) (.cse2 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse3 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse4 (not (= ~disable~0 0))) (.cse5 (not (= ~ldv_retval_pf_init~0 0)))) (and (or .cse0 (< 1 ~ldv_state_variable_1~0) .cse1 .cse2 .cse3 .cse4 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse5) (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse5))) [2023-11-29 06:37:18,386 INFO L899 garLoopResultBuilder]: For program point set_capacityEXIT(lines 3447 3453) no Hoare annotation was computed. [2023-11-29 06:37:18,387 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 5662 5664) the Hoare annotation is: true [2023-11-29 06:37:18,387 INFO L899 garLoopResultBuilder]: For program point mutex_lockEXIT(lines 5662 5664) no Hoare annotation was computed. [2023-11-29 06:37:18,387 INFO L899 garLoopResultBuilder]: For program point L3999-1(line 3999) no Hoare annotation was computed. [2023-11-29 06:37:18,387 INFO L895 garLoopResultBuilder]: At program point L3999(line 3999) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (and (= |#memory_$Pointer$#3.offset| |old(#memory_$Pointer$#3.offset)|) (= |old(#length)| |#length|) (= |old(#memory_$Pointer$#3.base)| |#memory_$Pointer$#3.base|) (= |old(#valid)| |#valid|) (= |#memory_int#3| |old(#memory_int#3)|))) (.cse2 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse3 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse4 (not (= ~disable~0 0))) (.cse5 (not (= ~ldv_retval_pf_init~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse5) (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse5))) [2023-11-29 06:37:18,387 INFO L899 garLoopResultBuilder]: For program point L3991(lines 3991 3995) no Hoare annotation was computed. [2023-11-29 06:37:18,387 INFO L895 garLoopResultBuilder]: At program point ldv_30117(lines 3983 3997) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse2 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse3 (not (= ~disable~0 0))) (.cse4 (not (= ~ldv_retval_pf_init~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse4) (or .cse0 .cse1 .cse2 .cse3 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse4))) [2023-11-29 06:37:18,387 INFO L899 garLoopResultBuilder]: For program point L3987(lines 3983 3997) no Hoare annotation was computed. [2023-11-29 06:37:18,388 INFO L895 garLoopResultBuilder]: At program point L3981(lines 3981 3997) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (and (= |#memory_$Pointer$#3.offset| |old(#memory_$Pointer$#3.offset)|) (= |old(#length)| |#length|) (= |old(#memory_$Pointer$#3.base)| |#memory_$Pointer$#3.base|) (= |old(#valid)| |#valid|) (= |#memory_int#3| |old(#memory_int#3)|))) (.cse2 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse3 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse4 (not (= ~disable~0 0))) (.cse5 (not (= ~ldv_retval_pf_init~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse5) (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse5))) [2023-11-29 06:37:18,388 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 3975 4008) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (and (= |#memory_$Pointer$#3.offset| |old(#memory_$Pointer$#3.offset)|) (= |old(#length)| |#length|) (= |old(#memory_$Pointer$#3.base)| |#memory_$Pointer$#3.base|) (= |old(#valid)| |#valid|) (= |#memory_int#3| |old(#memory_int#3)|))) (.cse2 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse3 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse4 (not (= ~disable~0 0))) (.cse5 (not (= ~ldv_retval_pf_init~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse5) (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse5))) [2023-11-29 06:37:18,388 INFO L899 garLoopResultBuilder]: For program point L4002(lines 4002 4005) no Hoare annotation was computed. [2023-11-29 06:37:18,388 INFO L899 garLoopResultBuilder]: For program point $Ultimate##7(lines 3998 4001) no Hoare annotation was computed. [2023-11-29 06:37:18,388 INFO L899 garLoopResultBuilder]: For program point L3998-1(lines 3979 4007) no Hoare annotation was computed. [2023-11-29 06:37:18,388 INFO L899 garLoopResultBuilder]: For program point pf_atapiEXIT(lines 3975 4008) no Hoare annotation was computed. [2023-11-29 06:37:18,388 INFO L895 garLoopResultBuilder]: At program point L3980(line 3980) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (and (= |#memory_$Pointer$#3.offset| |old(#memory_$Pointer$#3.offset)|) (= |old(#length)| |#length|) (= |old(#memory_$Pointer$#3.base)| |#memory_$Pointer$#3.base|) (= |old(#valid)| |#valid|) (= |#memory_int#3| |old(#memory_int#3)|))) (.cse2 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse3 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse4 (not (= ~disable~0 0))) (.cse5 (not (= ~ldv_retval_pf_init~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse5) (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse5))) [2023-11-29 06:37:18,388 INFO L899 garLoopResultBuilder]: For program point L3980-1(line 3980) no Hoare annotation was computed. [2023-11-29 06:37:18,389 INFO L895 garLoopResultBuilder]: At program point L4003(line 4003) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse2 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse3 (not (= ~disable~0 0))) (.cse4 (and (= |#memory_$Pointer$#3.offset| |old(#memory_$Pointer$#3.offset)|) (= |old(#length)| |#length|) (= |old(#memory_$Pointer$#3.base)| |#memory_$Pointer$#3.base|) (not (= pf_atapi_~r~3 0)) (= |old(#valid)| |#valid|) (= |#memory_int#3| |old(#memory_int#3)|))) (.cse5 (not (= ~ldv_retval_pf_init~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse4 .cse5))) [2023-11-29 06:37:18,389 INFO L895 garLoopResultBuilder]: At program point L3873-1(line 3873) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse2 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse3 (not (= ~disable~0 0))) (.cse4 (= pf_command_~tmp~10 0)) (.cse5 (not (= ~ldv_retval_pf_init~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse4 .cse5))) [2023-11-29 06:37:18,389 INFO L895 garLoopResultBuilder]: At program point L3873(line 3873) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse2 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse3 (not (= ~disable~0 0))) (.cse4 (= pf_command_~tmp~10 0)) (.cse5 (not (= ~ldv_retval_pf_init~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse4 .cse5))) [2023-11-29 06:37:18,389 INFO L899 garLoopResultBuilder]: For program point L3869-1(line 3869) no Hoare annotation was computed. [2023-11-29 06:37:18,389 INFO L902 garLoopResultBuilder]: At program point L3869(line 3869) the Hoare annotation is: true [2023-11-29 06:37:18,389 INFO L899 garLoopResultBuilder]: For program point L3867-1(line 3867) no Hoare annotation was computed. [2023-11-29 06:37:18,389 INFO L902 garLoopResultBuilder]: At program point L3867(line 3867) the Hoare annotation is: true [2023-11-29 06:37:18,390 INFO L899 garLoopResultBuilder]: For program point L3865-1(line 3865) no Hoare annotation was computed. [2023-11-29 06:37:18,390 INFO L902 garLoopResultBuilder]: At program point L3865(line 3865) the Hoare annotation is: true [2023-11-29 06:37:18,390 INFO L895 garLoopResultBuilder]: At program point L3884(line 3884) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse2 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse3 (not (= ~disable~0 0))) (.cse4 (= pf_command_~tmp~10 0)) (.cse5 (not (= ~ldv_retval_pf_init~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse4 .cse5))) [2023-11-29 06:37:18,390 INFO L895 garLoopResultBuilder]: At program point L3882(line 3882) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse2 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse3 (not (= ~disable~0 0))) (.cse4 (= pf_command_~tmp~10 0)) (.cse5 (not (= ~ldv_retval_pf_init~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse4 .cse5))) [2023-11-29 06:37:18,390 INFO L899 garLoopResultBuilder]: For program point L3884-1(line 3884) no Hoare annotation was computed. [2023-11-29 06:37:18,390 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3860 3892) the Hoare annotation is: true [2023-11-29 06:37:18,390 INFO L899 garLoopResultBuilder]: For program point L3882-1(line 3882) no Hoare annotation was computed. [2023-11-29 06:37:18,391 INFO L895 garLoopResultBuilder]: At program point L3878(line 3878) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse2 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse3 (not (= ~disable~0 0))) (.cse4 (= pf_command_~tmp~10 0)) (.cse5 (not (= ~ldv_retval_pf_init~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse4 .cse5))) [2023-11-29 06:37:18,391 INFO L895 garLoopResultBuilder]: At program point L3876(line 3876) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse2 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse3 (not (= ~disable~0 0))) (.cse4 (= pf_command_~tmp~10 0)) (.cse5 (not (= ~ldv_retval_pf_init~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse4 .cse5))) [2023-11-29 06:37:18,391 INFO L899 garLoopResultBuilder]: For program point pf_commandFINAL(lines 3860 3892) no Hoare annotation was computed. [2023-11-29 06:37:18,391 INFO L899 garLoopResultBuilder]: For program point L3878-1(line 3878) no Hoare annotation was computed. [2023-11-29 06:37:18,391 INFO L895 garLoopResultBuilder]: At program point L3874(line 3874) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse2 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse3 (not (= ~disable~0 0))) (.cse4 (= pf_command_~tmp~10 0)) (.cse5 (not (= ~ldv_retval_pf_init~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse4 .cse5))) [2023-11-29 06:37:18,391 INFO L899 garLoopResultBuilder]: For program point L3876-1(line 3876) no Hoare annotation was computed. [2023-11-29 06:37:18,391 INFO L899 garLoopResultBuilder]: For program point L3868(lines 3868 3872) no Hoare annotation was computed. [2023-11-29 06:37:18,391 INFO L902 garLoopResultBuilder]: At program point L3866(line 3866) the Hoare annotation is: true [2023-11-29 06:37:18,392 INFO L899 garLoopResultBuilder]: For program point L3866-1(line 3866) no Hoare annotation was computed. [2023-11-29 06:37:18,392 INFO L899 garLoopResultBuilder]: For program point L3889-1(line 3889) no Hoare annotation was computed. [2023-11-29 06:37:18,392 INFO L899 garLoopResultBuilder]: For program point pf_commandEXIT(lines 3860 3892) no Hoare annotation was computed. [2023-11-29 06:37:18,392 INFO L895 garLoopResultBuilder]: At program point L3889(line 3889) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse2 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse3 (not (= ~disable~0 0))) (.cse4 (= pf_command_~tmp~10 0)) (.cse5 (not (= ~ldv_retval_pf_init~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse4 .cse5))) [2023-11-29 06:37:18,392 INFO L899 garLoopResultBuilder]: For program point L3885-1(line 3885) no Hoare annotation was computed. [2023-11-29 06:37:18,392 INFO L895 garLoopResultBuilder]: At program point L3885(line 3885) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse2 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse3 (not (= ~disable~0 0))) (.cse4 (= pf_command_~tmp~10 0)) (.cse5 (not (= ~ldv_retval_pf_init~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse4 .cse5))) [2023-11-29 06:37:18,392 INFO L899 garLoopResultBuilder]: For program point L3883(lines 3883 3888) no Hoare annotation was computed. [2023-11-29 06:37:18,392 INFO L899 garLoopResultBuilder]: For program point L3877(lines 3877 3881) no Hoare annotation was computed. [2023-11-29 06:37:18,393 INFO L899 garLoopResultBuilder]: For program point L3875(line 3875) no Hoare annotation was computed. [2023-11-29 06:37:18,393 INFO L899 garLoopResultBuilder]: For program point L4383(line 4383) no Hoare annotation was computed. [2023-11-29 06:37:18,393 INFO L899 garLoopResultBuilder]: For program point L4346(lines 4346 4349) no Hoare annotation was computed. [2023-11-29 06:37:18,393 INFO L899 garLoopResultBuilder]: For program point L4375(lines 4375 4379) no Hoare annotation was computed. [2023-11-29 06:37:18,393 INFO L899 garLoopResultBuilder]: For program point L4371(lines 4371 4374) no Hoare annotation was computed. [2023-11-29 06:37:18,393 INFO L899 garLoopResultBuilder]: For program point L4338(lines 4338 4358) no Hoare annotation was computed. [2023-11-29 06:37:18,393 INFO L899 garLoopResultBuilder]: For program point L4363(lines 4363 4367) no Hoare annotation was computed. [2023-11-29 06:37:18,393 INFO L899 garLoopResultBuilder]: For program point L4351(lines 4341 4358) no Hoare annotation was computed. [2023-11-29 06:37:18,393 INFO L899 garLoopResultBuilder]: For program point L4384(lines 4384 4387) no Hoare annotation was computed. [2023-11-29 06:37:18,393 INFO L899 garLoopResultBuilder]: For program point L4376-1(line 4376) no Hoare annotation was computed. [2023-11-29 06:37:18,394 INFO L902 garLoopResultBuilder]: At program point L4376(line 4376) the Hoare annotation is: true [2023-11-29 06:37:18,394 INFO L902 garLoopResultBuilder]: At program point L4339(line 4339) the Hoare annotation is: true [2023-11-29 06:37:18,394 INFO L899 garLoopResultBuilder]: For program point L4339-1(line 4339) no Hoare annotation was computed. [2023-11-29 06:37:18,394 INFO L899 garLoopResultBuilder]: For program point L4389(lines 4369 4396) no Hoare annotation was computed. [2023-11-29 06:37:18,394 INFO L899 garLoopResultBuilder]: For program point L4352(lines 4352 4356) no Hoare annotation was computed. [2023-11-29 06:37:18,394 INFO L902 garLoopResultBuilder]: At program point ldv_30199(lines 4369 4396) the Hoare annotation is: true [2023-11-29 06:37:18,394 INFO L899 garLoopResultBuilder]: For program point pf_probeEXIT(lines 4324 4399) no Hoare annotation was computed. [2023-11-29 06:37:18,394 INFO L899 garLoopResultBuilder]: For program point L4336(line 4336) no Hoare annotation was computed. [2023-11-29 06:37:18,394 INFO L899 garLoopResultBuilder]: For program point L4332(lines 4332 4396) no Hoare annotation was computed. [2023-11-29 06:37:18,395 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 4324 4399) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~disable~0 0)) (not (= ~ldv_state_variable_0~0 1)) (and (= |#memory_int#19| |old(#memory_int#19)|) (= |#memory_$Pointer$#3.offset| |old(#memory_$Pointer$#3.offset)|) (= |old(#length)| |#length|) (= |old(#memory_$Pointer$#19.base)| |#memory_$Pointer$#19.base|) (= |#memory_$Pointer$#16.base| |old(#memory_$Pointer$#16.base)|) (= |old(#memory_$Pointer$#7.base)| |#memory_$Pointer$#7.base|) (= |#memory_$Pointer$#7.offset| |old(#memory_$Pointer$#7.offset)|) (= |old(#memory_$Pointer$#3.base)| |#memory_$Pointer$#3.base|) (= |old(#memory_$Pointer$#16.offset)| |#memory_$Pointer$#16.offset|) (= |#memory_$Pointer$#15.offset| |old(#memory_$Pointer$#15.offset)|) (= |#memory_int#15| |old(#memory_int#15)|) (= |#memory_$Pointer$#19.offset| |old(#memory_$Pointer$#19.offset)|) (= |old(#valid)| |#valid|) (= |#memory_int#3| |old(#memory_int#3)|) (= |#memory_int#16| |old(#memory_int#16)|) (= |#memory_int#7| |old(#memory_int#7)|) (= |old(#memory_$Pointer$#15.base)| |#memory_$Pointer$#15.base|)) (not (= ~ldv_mutex_pf_mutex~0 1)) (not (= ~ldv_retval_pf_init~0 0))) [2023-11-29 06:37:18,395 INFO L902 garLoopResultBuilder]: At program point ldv_30193(lines 4341 4358) the Hoare annotation is: true [2023-11-29 06:37:18,395 INFO L899 garLoopResultBuilder]: For program point L4390(lines 4390 4394) no Hoare annotation was computed. [2023-11-29 06:37:18,395 INFO L902 garLoopResultBuilder]: At program point ldv_30196(lines 4332 4369) the Hoare annotation is: true [2023-11-29 06:37:18,395 INFO L899 garLoopResultBuilder]: For program point $Ultimate##14(lines 4332 4396) no Hoare annotation was computed. [2023-11-29 06:37:18,395 INFO L899 garLoopResultBuilder]: For program point L4345(line 4345) no Hoare annotation was computed. [2023-11-29 06:37:18,396 INFO L895 garLoopResultBuilder]: At program point L4370(line 4370) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~disable~0 0)) (not (= ~ldv_state_variable_0~0 1)) (and (= |#memory_int#19| |old(#memory_int#19)|) (= |#memory_$Pointer$#3.offset| |old(#memory_$Pointer$#3.offset)|) (= |old(#length)| |#length|) (= |old(#memory_$Pointer$#19.base)| |#memory_$Pointer$#19.base|) (= |#memory_$Pointer$#16.base| |old(#memory_$Pointer$#16.base)|) (= |old(#memory_$Pointer$#7.base)| |#memory_$Pointer$#7.base|) (= |#memory_$Pointer$#7.offset| |old(#memory_$Pointer$#7.offset)|) (= |old(#memory_$Pointer$#3.base)| |#memory_$Pointer$#3.base|) (= |old(#memory_$Pointer$#16.offset)| |#memory_$Pointer$#16.offset|) (= |#memory_$Pointer$#15.offset| |old(#memory_$Pointer$#15.offset)|) (= |#memory_int#15| |old(#memory_int#15)|) (= |#memory_$Pointer$#19.offset| |old(#memory_$Pointer$#19.offset)|) (= |old(#valid)| |#valid|) (= |#memory_int#3| |old(#memory_int#3)|) (= |#memory_int#16| |old(#memory_int#16)|) (= |#memory_int#7| |old(#memory_int#7)|) (= |old(#memory_$Pointer$#15.base)| |#memory_$Pointer$#15.base|)) (not (= ~ldv_mutex_pf_mutex~0 1)) (not (= ~ldv_retval_pf_init~0 0))) [2023-11-29 06:37:18,396 INFO L899 garLoopResultBuilder]: For program point L4337(lines 4337 4360) no Hoare annotation was computed. [2023-11-29 06:37:18,396 INFO L899 garLoopResultBuilder]: For program point L4370-1(line 4370) no Hoare annotation was computed. [2023-11-29 06:37:18,396 INFO L899 garLoopResultBuilder]: For program point L4337-1(lines 4337 4360) no Hoare annotation was computed. [2023-11-29 06:37:18,396 INFO L899 garLoopResultBuilder]: For program point L4362(lines 4332 4369) no Hoare annotation was computed. [2023-11-29 06:37:18,396 INFO L899 garLoopResultBuilder]: For program point pf_probeFINAL(lines 4324 4399) no Hoare annotation was computed. [2023-11-29 06:37:18,396 INFO L899 garLoopResultBuilder]: For program point pf_mode_senseEXIT(lines 4138 4162) no Hoare annotation was computed. [2023-11-29 06:37:18,396 INFO L899 garLoopResultBuilder]: For program point L4156(lines 4156 4159) no Hoare annotation was computed. [2023-11-29 06:37:18,397 INFO L902 garLoopResultBuilder]: At program point L4154(line 4154) the Hoare annotation is: true [2023-11-29 06:37:18,397 INFO L899 garLoopResultBuilder]: For program point L4156-2(lines 4156 4159) no Hoare annotation was computed. [2023-11-29 06:37:18,397 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 4138 4162) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (and (= |#memory_int#19| |old(#memory_int#19)|) (= |#memory_$Pointer$#3.offset| |old(#memory_$Pointer$#3.offset)|) (= |old(#length)| |#length|) (= |old(#memory_$Pointer$#19.base)| |#memory_$Pointer$#19.base|) (= |old(#memory_$Pointer$#3.base)| |#memory_$Pointer$#3.base|) (= |#memory_$Pointer$#19.offset| |old(#memory_$Pointer$#19.offset)|) (= |old(#valid)| |#valid|) (= |#memory_int#3| |old(#memory_int#3)|))) (.cse2 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse3 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse4 (not (= ~disable~0 0))) (.cse5 (not (= ~ldv_retval_pf_init~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse5) (or .cse0 .cse1 (< 1 ~ldv_state_variable_1~0) .cse2 .cse3 .cse4 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse5))) [2023-11-29 06:37:18,397 INFO L899 garLoopResultBuilder]: For program point L4154-1(line 4154) no Hoare annotation was computed. [2023-11-29 06:37:18,397 INFO L899 garLoopResultBuilder]: For program point pi_initEXIT(lines 5682 5684) no Hoare annotation was computed. [2023-11-29 06:37:18,397 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 5682 5684) the Hoare annotation is: true [2023-11-29 06:37:18,397 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 5689 5691) the Hoare annotation is: true [2023-11-29 06:37:18,397 INFO L899 garLoopResultBuilder]: For program point pi_read_regrEXIT(lines 5689 5691) no Hoare annotation was computed. [2023-11-29 06:37:18,397 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 5702 5704) the Hoare annotation is: true [2023-11-29 06:37:18,398 INFO L899 garLoopResultBuilder]: For program point printkEXIT(lines 5702 5704) no Hoare annotation was computed. [2023-11-29 06:37:18,398 INFO L899 garLoopResultBuilder]: For program point get_capacityEXIT(lines 3441 3446) no Hoare annotation was computed. [2023-11-29 06:37:18,398 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3441 3446) the Hoare annotation is: true [2023-11-29 06:37:18,398 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 4199 4218) the Hoare annotation is: true [2023-11-29 06:37:18,398 INFO L899 garLoopResultBuilder]: For program point xlEXIT(lines 4199 4218) no Hoare annotation was computed. [2023-11-29 06:37:18,398 INFO L899 garLoopResultBuilder]: For program point $Ultimate##2(lines 4210 4214) no Hoare annotation was computed. [2023-11-29 06:37:18,398 INFO L899 garLoopResultBuilder]: For program point L4191-1(lines 4191 4194) no Hoare annotation was computed. [2023-11-29 06:37:18,398 INFO L899 garLoopResultBuilder]: For program point L4175(line 4175) no Hoare annotation was computed. [2023-11-29 06:37:18,398 INFO L899 garLoopResultBuilder]: For program point L4175-2(lines 4175 4182) no Hoare annotation was computed. [2023-11-29 06:37:18,399 INFO L899 garLoopResultBuilder]: For program point L4175-4(lines 4175 4182) no Hoare annotation was computed. [2023-11-29 06:37:18,399 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 4163 4198) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse2 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse3 (not (= ~disable~0 0))) (.cse4 (and (= |#memory_$Pointer$#16.base| |old(#memory_$Pointer$#16.base)|) (= |old(#memory_$Pointer$#16.offset)| |#memory_$Pointer$#16.offset|) (= |#memory_int#16| |old(#memory_int#16)|))) (.cse5 (not (= ~ldv_retval_pf_init~0 0)))) (and (or .cse0 (< 1 ~ldv_state_variable_1~0) .cse1 .cse2 .cse3 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse4 .cse5))) [2023-11-29 06:37:18,399 INFO L899 garLoopResultBuilder]: For program point $Ultimate##10(lines 4191 4194) no Hoare annotation was computed. [2023-11-29 06:37:18,399 INFO L899 garLoopResultBuilder]: For program point $Ultimate##8(lines 4185 4189) no Hoare annotation was computed. [2023-11-29 06:37:18,399 INFO L899 garLoopResultBuilder]: For program point xsEXIT(lines 4163 4198) no Hoare annotation was computed. [2023-11-29 06:37:18,399 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 5675 5677) the Hoare annotation is: true [2023-11-29 06:37:18,399 INFO L899 garLoopResultBuilder]: For program point pi_disconnectEXIT(lines 5675 5677) no Hoare annotation was computed. [2023-11-29 06:37:18,399 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 5522 5532) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~disable~0 0)) (not (= |old(~ldv_mutex_pf_mutex~0)| 1)) (= ~ldv_mutex_pf_mutex~0 1) (not (= ~ldv_retval_pf_init~0 0))) [2023-11-29 06:37:18,400 INFO L895 garLoopResultBuilder]: At program point L5527(line 5527) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~disable~0 0)) (not (= |old(~ldv_mutex_pf_mutex~0)| 1)) (not (= ~ldv_retval_pf_init~0 0))) [2023-11-29 06:37:18,400 INFO L899 garLoopResultBuilder]: For program point L5527-1(lines 5525 5528) no Hoare annotation was computed. [2023-11-29 06:37:18,400 INFO L899 garLoopResultBuilder]: For program point ldv_mutex_lock_pf_mutexEXIT(lines 5522 5532) no Hoare annotation was computed. [2023-11-29 06:37:18,400 INFO L899 garLoopResultBuilder]: For program point L5525(lines 5525 5528) no Hoare annotation was computed. [2023-11-29 06:37:18,400 INFO L902 garLoopResultBuilder]: At program point L4127-1(lines 4127 4130) the Hoare annotation is: true [2023-11-29 06:37:18,400 INFO L902 garLoopResultBuilder]: At program point ldv_30139(lines 4070 4136) the Hoare annotation is: true [2023-11-29 06:37:18,400 INFO L902 garLoopResultBuilder]: At program point L4078(line 4078) the Hoare annotation is: true [2023-11-29 06:37:18,400 INFO L902 garLoopResultBuilder]: At program point L4078-1(line 4078) the Hoare annotation is: true [2023-11-29 06:37:18,400 INFO L899 garLoopResultBuilder]: For program point L4103(line 4103) no Hoare annotation was computed. [2023-11-29 06:37:18,400 INFO L899 garLoopResultBuilder]: For program point L4103-2(line 4103) no Hoare annotation was computed. [2023-11-29 06:37:18,401 INFO L899 garLoopResultBuilder]: For program point L4103-4(line 4103) no Hoare annotation was computed. [2023-11-29 06:37:18,401 INFO L902 garLoopResultBuilder]: At program point L4128(line 4128) the Hoare annotation is: true [2023-11-29 06:37:18,401 INFO L899 garLoopResultBuilder]: For program point L4128-1(line 4128) no Hoare annotation was computed. [2023-11-29 06:37:18,401 INFO L899 garLoopResultBuilder]: For program point L4087(lines 4087 4096) no Hoare annotation was computed. [2023-11-29 06:37:18,401 INFO L899 garLoopResultBuilder]: For program point L4083(lines 4070 4136) no Hoare annotation was computed. [2023-11-29 06:37:18,401 INFO L899 garLoopResultBuilder]: For program point L4079(line 4079) no Hoare annotation was computed. [2023-11-29 06:37:18,401 INFO L899 garLoopResultBuilder]: For program point L4112-1(lines 4112 4133) no Hoare annotation was computed. [2023-11-29 06:37:18,401 INFO L899 garLoopResultBuilder]: For program point $Ultimate##20(lines 4112 4133) no Hoare annotation was computed. [2023-11-29 06:37:18,401 INFO L899 garLoopResultBuilder]: For program point $Ultimate##24(lines 4127 4130) no Hoare annotation was computed. [2023-11-29 06:37:18,401 INFO L899 garLoopResultBuilder]: For program point $Ultimate##22(lines 4121 4125) no Hoare annotation was computed. [2023-11-29 06:37:18,402 INFO L902 garLoopResultBuilder]: At program point L4088(line 4088) the Hoare annotation is: true [2023-11-29 06:37:18,402 INFO L899 garLoopResultBuilder]: For program point L4088-1(line 4088) no Hoare annotation was computed. [2023-11-29 06:37:18,402 INFO L899 garLoopResultBuilder]: For program point L4117(line 4117) no Hoare annotation was computed. [2023-11-29 06:37:18,402 INFO L899 garLoopResultBuilder]: For program point $Ultimate##18(lines 4106 4110) no Hoare annotation was computed. [2023-11-29 06:37:18,402 INFO L899 garLoopResultBuilder]: For program point L4113-1(line 4113) no Hoare annotation was computed. [2023-11-29 06:37:18,402 INFO L902 garLoopResultBuilder]: At program point L4113(line 4113) the Hoare annotation is: true [2023-11-29 06:37:18,402 INFO L902 garLoopResultBuilder]: At program point L4076(line 4076) the Hoare annotation is: true [2023-11-29 06:37:18,402 INFO L899 garLoopResultBuilder]: For program point L4076-1(line 4076) no Hoare annotation was computed. [2023-11-29 06:37:18,402 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 4061 4137) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~disable~0 0)) (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) (and (= |old(#length)| |#length|) (= |#memory_$Pointer$#15.offset| |old(#memory_$Pointer$#15.offset)|) (= |#memory_int#15| |old(#memory_int#15)|) (= |old(#valid)| |#valid|) (= |old(#memory_$Pointer$#15.base)| |#memory_$Pointer$#15.base|)) (not (= ~ldv_retval_pf_init~0 0))) [2023-11-29 06:37:18,403 INFO L902 garLoopResultBuilder]: At program point L4134(line 4134) the Hoare annotation is: true [2023-11-29 06:37:18,403 INFO L899 garLoopResultBuilder]: For program point L4134-1(line 4134) no Hoare annotation was computed. [2023-11-29 06:37:18,403 INFO L899 garLoopResultBuilder]: For program point pf_resetEXIT(lines 4061 4137) no Hoare annotation was computed. [2023-11-29 06:37:18,403 INFO L902 garLoopResultBuilder]: At program point ldv_30142(lines 4070 4136) the Hoare annotation is: true [2023-11-29 06:37:18,403 INFO L902 garLoopResultBuilder]: At program point ldv_30145(lines 4112 4132) the Hoare annotation is: true [2023-11-29 06:37:18,403 INFO L899 garLoopResultBuilder]: For program point L4089(line 4089) no Hoare annotation was computed. [2023-11-29 06:37:18,403 INFO L902 garLoopResultBuilder]: At program point L4118(line 4118) the Hoare annotation is: true [2023-11-29 06:37:18,403 INFO L899 garLoopResultBuilder]: For program point L4089-2(line 4089) no Hoare annotation was computed. [2023-11-29 06:37:18,403 INFO L899 garLoopResultBuilder]: For program point L4089-4(lines 4089 4093) no Hoare annotation was computed. [2023-11-29 06:37:18,403 INFO L899 garLoopResultBuilder]: For program point L4118-1(line 4118) no Hoare annotation was computed. [2023-11-29 06:37:18,404 INFO L899 garLoopResultBuilder]: For program point L4077-1(line 4077) no Hoare annotation was computed. [2023-11-29 06:37:18,404 INFO L902 garLoopResultBuilder]: At program point L4077(line 4077) the Hoare annotation is: true [2023-11-29 06:37:18,404 INFO L899 garLoopResultBuilder]: For program point ldv_30141(lines 4070 4136) no Hoare annotation was computed. [2023-11-29 06:37:18,404 INFO L899 garLoopResultBuilder]: For program point L4102(line 4102) no Hoare annotation was computed. [2023-11-29 06:37:18,404 INFO L899 garLoopResultBuilder]: For program point L4131(line 4131) no Hoare annotation was computed. [2023-11-29 06:37:18,404 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 5685 5687) the Hoare annotation is: true [2023-11-29 06:37:18,404 INFO L899 garLoopResultBuilder]: For program point pi_read_blockEXIT(lines 5685 5687) no Hoare annotation was computed. [2023-11-29 06:37:18,404 INFO L899 garLoopResultBuilder]: For program point pf_check_eventsEXIT(lines 3788 3793) no Hoare annotation was computed. [2023-11-29 06:37:18,404 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3788 3793) the Hoare annotation is: true [2023-11-29 06:37:18,404 INFO L899 garLoopResultBuilder]: For program point unregister_blkdevEXIT(lines 5720 5722) no Hoare annotation was computed. [2023-11-29 06:37:18,405 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 5720 5722) the Hoare annotation is: true [2023-11-29 06:37:18,405 INFO L902 garLoopResultBuilder]: At program point L3968(lines 3968 3969) the Hoare annotation is: true [2023-11-29 06:37:18,405 INFO L899 garLoopResultBuilder]: For program point L3968-1(lines 3968 3969) no Hoare annotation was computed. [2023-11-29 06:37:18,405 INFO L902 garLoopResultBuilder]: At program point L3964(line 3964) the Hoare annotation is: true [2023-11-29 06:37:18,405 INFO L899 garLoopResultBuilder]: For program point L3964-1(line 3964) no Hoare annotation was computed. [2023-11-29 06:37:18,405 INFO L899 garLoopResultBuilder]: For program point L3956(lines 3956 3960) no Hoare annotation was computed. [2023-11-29 06:37:18,405 INFO L899 garLoopResultBuilder]: For program point L3952(lines 3948 3962) no Hoare annotation was computed. [2023-11-29 06:37:18,405 INFO L902 garLoopResultBuilder]: At program point L3946(lines 3946 3962) the Hoare annotation is: true [2023-11-29 06:37:18,405 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 3926 3974) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (and (= |#memory_$Pointer$#3.offset| |old(#memory_$Pointer$#3.offset)|) (= |old(#length)| |#length|) (= |old(#memory_$Pointer$#3.base)| |#memory_$Pointer$#3.base|) (= |old(#valid)| |#valid|) (= |#memory_int#3| |old(#memory_int#3)|))) (.cse2 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse3 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse4 (not (= ~disable~0 0))) (.cse5 (not (= ~ldv_retval_pf_init~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse5) (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse5))) [2023-11-29 06:37:18,406 INFO L895 garLoopResultBuilder]: At program point ldv_30105(lines 3948 3962) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse2 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse3 (not (= ~disable~0 0))) (.cse4 (not (= ~ldv_retval_pf_init~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse4) (or .cse0 .cse1 .cse2 .cse3 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse4))) [2023-11-29 06:37:18,406 INFO L899 garLoopResultBuilder]: For program point L3967-1(lines 3967 3971) no Hoare annotation was computed. [2023-11-29 06:37:18,406 INFO L899 garLoopResultBuilder]: For program point $Ultimate##7(lines 3963 3966) no Hoare annotation was computed. [2023-11-29 06:37:18,406 INFO L899 garLoopResultBuilder]: For program point L3963-1(lines 3932 3973) no Hoare annotation was computed. [2023-11-29 06:37:18,406 INFO L899 garLoopResultBuilder]: For program point L3945-1(line 3945) no Hoare annotation was computed. [2023-11-29 06:37:18,406 INFO L899 garLoopResultBuilder]: For program point pf_req_senseEXIT(lines 3926 3974) no Hoare annotation was computed. [2023-11-29 06:37:18,406 INFO L902 garLoopResultBuilder]: At program point L3945(line 3945) the Hoare annotation is: true [2023-11-29 06:37:18,406 INFO L902 garLoopResultBuilder]: At program point L3904(line 3904) the Hoare annotation is: true [2023-11-29 06:37:18,406 INFO L899 garLoopResultBuilder]: For program point L3904-1(line 3904) no Hoare annotation was computed. [2023-11-29 06:37:18,407 INFO L899 garLoopResultBuilder]: For program point L3917-1(line 3917) no Hoare annotation was computed. [2023-11-29 06:37:18,407 INFO L902 garLoopResultBuilder]: At program point L3917(line 3917) the Hoare annotation is: true [2023-11-29 06:37:18,407 INFO L899 garLoopResultBuilder]: For program point L3909-1(line 3909) no Hoare annotation was computed. [2023-11-29 06:37:18,407 INFO L902 garLoopResultBuilder]: At program point L3909(line 3909) the Hoare annotation is: true [2023-11-29 06:37:18,407 INFO L899 garLoopResultBuilder]: For program point L3905(line 3905) no Hoare annotation was computed. [2023-11-29 06:37:18,407 INFO L899 garLoopResultBuilder]: For program point L3905-2(line 3905) no Hoare annotation was computed. [2023-11-29 06:37:18,407 INFO L899 garLoopResultBuilder]: For program point L3905-5(lines 3905 3915) no Hoare annotation was computed. [2023-11-29 06:37:18,407 INFO L899 garLoopResultBuilder]: For program point L3905-4(lines 3905 3915) no Hoare annotation was computed. [2023-11-29 06:37:18,407 INFO L899 garLoopResultBuilder]: For program point L3918(lines 3918 3922) no Hoare annotation was computed. [2023-11-29 06:37:18,407 INFO L899 garLoopResultBuilder]: For program point L3918-2(lines 3918 3922) no Hoare annotation was computed. [2023-11-29 06:37:18,408 INFO L899 garLoopResultBuilder]: For program point L3910(line 3910) no Hoare annotation was computed. [2023-11-29 06:37:18,408 INFO L899 garLoopResultBuilder]: For program point L3910-2(line 3910) no Hoare annotation was computed. [2023-11-29 06:37:18,408 INFO L902 garLoopResultBuilder]: At program point L3906(line 3906) the Hoare annotation is: true [2023-11-29 06:37:18,408 INFO L899 garLoopResultBuilder]: For program point L3910-4(line 3910) no Hoare annotation was computed. [2023-11-29 06:37:18,408 INFO L899 garLoopResultBuilder]: For program point L3906-1(line 3906) no Hoare annotation was computed. [2023-11-29 06:37:18,408 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3893 3925) the Hoare annotation is: true [2023-11-29 06:37:18,408 INFO L899 garLoopResultBuilder]: For program point L3911-1(line 3911) no Hoare annotation was computed. [2023-11-29 06:37:18,408 INFO L902 garLoopResultBuilder]: At program point L3911(line 3911) the Hoare annotation is: true [2023-11-29 06:37:18,408 INFO L899 garLoopResultBuilder]: For program point L3907(line 3907) no Hoare annotation was computed. [2023-11-29 06:37:18,408 INFO L899 garLoopResultBuilder]: For program point L3907-2(line 3907) no Hoare annotation was computed. [2023-11-29 06:37:18,409 INFO L899 garLoopResultBuilder]: For program point L3903-1(line 3903) no Hoare annotation was computed. [2023-11-29 06:37:18,409 INFO L902 garLoopResultBuilder]: At program point L3903(line 3903) the Hoare annotation is: true [2023-11-29 06:37:18,409 INFO L899 garLoopResultBuilder]: For program point L3907-4(lines 3907 3913) no Hoare annotation was computed. [2023-11-29 06:37:18,409 INFO L899 garLoopResultBuilder]: For program point pf_completionEXIT(lines 3893 3925) no Hoare annotation was computed. [2023-11-29 06:37:18,409 INFO L902 garLoopResultBuilder]: At program point L3916(line 3916) the Hoare annotation is: true [2023-11-29 06:37:18,409 INFO L899 garLoopResultBuilder]: For program point L3916-1(line 3916) no Hoare annotation was computed. [2023-11-29 06:37:18,409 INFO L902 garLoopResultBuilder]: At program point L3908(line 3908) the Hoare annotation is: true [2023-11-29 06:37:18,409 INFO L899 garLoopResultBuilder]: For program point L3908-1(line 3908) no Hoare annotation was computed. [2023-11-29 06:37:18,409 INFO L899 garLoopResultBuilder]: For program point __const_udelayEXIT(lines 5627 5629) no Hoare annotation was computed. [2023-11-29 06:37:18,409 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 5627 5629) the Hoare annotation is: true [2023-11-29 06:37:18,410 INFO L899 garLoopResultBuilder]: For program point L4284(lines 4284 4287) no Hoare annotation was computed. [2023-11-29 06:37:18,410 INFO L899 garLoopResultBuilder]: For program point L4247(lines 4247 4255) no Hoare annotation was computed. [2023-11-29 06:37:18,410 INFO L899 garLoopResultBuilder]: For program point L4247-1(lines 4247 4255) no Hoare annotation was computed. [2023-11-29 06:37:18,410 INFO L899 garLoopResultBuilder]: For program point L4239(lines 4239 4243) no Hoare annotation was computed. [2023-11-29 06:37:18,410 INFO L902 garLoopResultBuilder]: At program point L4305(lines 4305 4306) the Hoare annotation is: true [2023-11-29 06:37:18,410 INFO L899 garLoopResultBuilder]: For program point L4305-1(lines 4305 4306) no Hoare annotation was computed. [2023-11-29 06:37:18,410 INFO L899 garLoopResultBuilder]: For program point pf_identifyEXIT(lines 4259 4323) no Hoare annotation was computed. [2023-11-29 06:37:18,410 INFO L902 garLoopResultBuilder]: At program point L4301(line 4301) the Hoare annotation is: true [2023-11-29 06:37:18,410 INFO L902 garLoopResultBuilder]: At program point L4301-1(line 4301) the Hoare annotation is: true [2023-11-29 06:37:18,411 INFO L902 garLoopResultBuilder]: At program point L4318(line 4318) the Hoare annotation is: true [2023-11-29 06:37:18,411 INFO L899 garLoopResultBuilder]: For program point L4289(lines 4289 4297) no Hoare annotation was computed. [2023-11-29 06:37:18,411 INFO L899 garLoopResultBuilder]: For program point L4314(lines 4314 4317) no Hoare annotation was computed. [2023-11-29 06:37:18,411 INFO L899 garLoopResultBuilder]: For program point pf_get_capacity_returnLabel#1(lines 4219 4258) no Hoare annotation was computed. [2023-11-29 06:37:18,411 INFO L899 garLoopResultBuilder]: For program point L4318-1(line 4318) no Hoare annotation was computed. [2023-11-29 06:37:18,411 INFO L899 garLoopResultBuilder]: For program point L4248-1(line 4248) no Hoare annotation was computed. [2023-11-29 06:37:18,411 INFO L902 garLoopResultBuilder]: At program point L4248(line 4248) the Hoare annotation is: true [2023-11-29 06:37:18,411 INFO L899 garLoopResultBuilder]: For program point L4314-2(lines 4314 4317) no Hoare annotation was computed. [2023-11-29 06:37:18,411 INFO L899 garLoopResultBuilder]: For program point L4244-1(line 4244) no Hoare annotation was computed. [2023-11-29 06:37:18,411 INFO L902 garLoopResultBuilder]: At program point L4244(line 4244) the Hoare annotation is: true [2023-11-29 06:37:18,412 INFO L902 garLoopResultBuilder]: At program point L4302(line 4302) the Hoare annotation is: true [2023-11-29 06:37:18,412 INFO L902 garLoopResultBuilder]: At program point L4298(line 4298) the Hoare annotation is: true [2023-11-29 06:37:18,412 INFO L899 garLoopResultBuilder]: For program point pf_identifyFINAL(lines 4259 4323) no Hoare annotation was computed. [2023-11-29 06:37:18,412 INFO L902 garLoopResultBuilder]: At program point L4298-1(line 4298) the Hoare annotation is: true [2023-11-29 06:37:18,412 INFO L899 garLoopResultBuilder]: For program point L4290(lines 4290 4294) no Hoare annotation was computed. [2023-11-29 06:37:18,412 INFO L902 garLoopResultBuilder]: At program point L4319(line 4319) the Hoare annotation is: true [2023-11-29 06:37:18,412 INFO L899 garLoopResultBuilder]: For program point L4319-1(line 4319) no Hoare annotation was computed. [2023-11-29 06:37:18,412 INFO L899 garLoopResultBuilder]: For program point L4290-2(lines 4290 4294) no Hoare annotation was computed. [2023-11-29 06:37:18,412 INFO L902 garLoopResultBuilder]: At program point L4315(line 4315) the Hoare annotation is: true [2023-11-29 06:37:18,412 INFO L899 garLoopResultBuilder]: For program point L4315-1(line 4315) no Hoare annotation was computed. [2023-11-29 06:37:18,413 INFO L899 garLoopResultBuilder]: For program point L4311(lines 4311 4320) no Hoare annotation was computed. [2023-11-29 06:37:18,413 INFO L899 garLoopResultBuilder]: For program point L4249(lines 4249 4253) no Hoare annotation was computed. [2023-11-29 06:37:18,413 INFO L899 garLoopResultBuilder]: For program point L4307(lines 4307 4310) no Hoare annotation was computed. [2023-11-29 06:37:18,413 INFO L902 garLoopResultBuilder]: At program point L4245(line 4245) the Hoare annotation is: true [2023-11-29 06:37:18,413 INFO L899 garLoopResultBuilder]: For program point L4311-2(lines 4311 4320) no Hoare annotation was computed. [2023-11-29 06:37:18,413 INFO L899 garLoopResultBuilder]: For program point L4245-1(line 4245) no Hoare annotation was computed. [2023-11-29 06:37:18,413 INFO L899 garLoopResultBuilder]: For program point L4303(line 4303) no Hoare annotation was computed. [2023-11-29 06:37:18,413 INFO L899 garLoopResultBuilder]: For program point L4307-2(lines 4307 4310) no Hoare annotation was computed. [2023-11-29 06:37:18,413 INFO L899 garLoopResultBuilder]: For program point L4299(line 4299) no Hoare annotation was computed. [2023-11-29 06:37:18,414 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 4259 4323) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse2 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse3 (not (= ~disable~0 0))) (.cse4 (and (= |#memory_int#19| |old(#memory_int#19)|) (= |#memory_$Pointer$#3.offset| |old(#memory_$Pointer$#3.offset)|) (= |old(#length)| |#length|) (= |old(#memory_$Pointer$#19.base)| |#memory_$Pointer$#19.base|) (= |#memory_$Pointer$#16.base| |old(#memory_$Pointer$#16.base)|) (= |old(#memory_$Pointer$#7.base)| |#memory_$Pointer$#7.base|) (= |#memory_$Pointer$#7.offset| |old(#memory_$Pointer$#7.offset)|) (= |old(#memory_$Pointer$#3.base)| |#memory_$Pointer$#3.base|) (= |old(#memory_$Pointer$#16.offset)| |#memory_$Pointer$#16.offset|) (= |#memory_$Pointer$#19.offset| |old(#memory_$Pointer$#19.offset)|) (= |old(#valid)| |#valid|) (= |#memory_int#3| |old(#memory_int#3)|) (= |#memory_int#16| |old(#memory_int#16)|) (= |#memory_int#7| |old(#memory_int#7)|))) (.cse5 (not (= ~ldv_retval_pf_init~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse4 .cse5) (or .cse0 (< 1 ~ldv_state_variable_1~0) .cse1 .cse2 .cse3 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse4 .cse5))) [2023-11-29 06:37:18,414 INFO L902 garLoopResultBuilder]: At program point L4291(lines 4291 4292) the Hoare annotation is: true [2023-11-29 06:37:18,414 INFO L899 garLoopResultBuilder]: For program point L4291-1(lines 4291 4292) no Hoare annotation was computed. [2023-11-29 06:37:18,414 INFO L902 garLoopResultBuilder]: At program point L4283(line 4283) the Hoare annotation is: true [2023-11-29 06:37:18,414 INFO L899 garLoopResultBuilder]: For program point L4283-1(line 4283) no Hoare annotation was computed. [2023-11-29 06:37:18,414 INFO L902 garLoopResultBuilder]: At program point L4250(lines 4250 4251) the Hoare annotation is: true [2023-11-29 06:37:18,414 INFO L899 garLoopResultBuilder]: For program point L4312-1(line 4312) no Hoare annotation was computed. [2023-11-29 06:37:18,414 INFO L902 garLoopResultBuilder]: At program point L4246(line 4246) the Hoare annotation is: true [2023-11-29 06:37:18,414 INFO L899 garLoopResultBuilder]: For program point L4250-1(lines 4250 4251) no Hoare annotation was computed. [2023-11-29 06:37:18,415 INFO L902 garLoopResultBuilder]: At program point L4312(line 4312) the Hoare annotation is: true [2023-11-29 06:37:18,415 INFO L899 garLoopResultBuilder]: For program point L4308-1(line 4308) no Hoare annotation was computed. [2023-11-29 06:37:18,415 INFO L899 garLoopResultBuilder]: For program point L4246-1(line 4246) no Hoare annotation was computed. [2023-11-29 06:37:18,415 INFO L902 garLoopResultBuilder]: At program point L4308(line 4308) the Hoare annotation is: true [2023-11-29 06:37:18,415 INFO L902 garLoopResultBuilder]: At program point L4238(line 4238) the Hoare annotation is: true [2023-11-29 06:37:18,415 INFO L899 garLoopResultBuilder]: For program point L4300-2(line 4300) no Hoare annotation was computed. [2023-11-29 06:37:18,415 INFO L899 garLoopResultBuilder]: For program point L4238-1(line 4238) no Hoare annotation was computed. [2023-11-29 06:37:18,415 INFO L899 garLoopResultBuilder]: For program point L4300(line 4300) no Hoare annotation was computed. [2023-11-29 06:37:18,415 INFO L899 garLoopResultBuilder]: For program point L4300-4(line 4300) no Hoare annotation was computed. [2023-11-29 06:37:18,415 INFO L899 garLoopResultBuilder]: For program point pf_sleepEXIT(lines 4054 4060) no Hoare annotation was computed. [2023-11-29 06:37:18,415 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 4054 4060) the Hoare annotation is: true [2023-11-29 06:37:18,416 INFO L899 garLoopResultBuilder]: For program point pi_write_blockEXIT(lines 5695 5697) no Hoare annotation was computed. [2023-11-29 06:37:18,416 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 5695 5697) the Hoare annotation is: true [2023-11-29 06:37:18,416 INFO L899 garLoopResultBuilder]: For program point pi_connectEXIT(lines 5672 5674) no Hoare annotation was computed. [2023-11-29 06:37:18,416 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 5672 5674) the Hoare annotation is: true [2023-11-29 06:37:18,416 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 5705 5707) the Hoare annotation is: true [2023-11-29 06:37:18,416 INFO L899 garLoopResultBuilder]: For program point put_diskEXIT(lines 5705 5707) no Hoare annotation was computed. [2023-11-29 06:37:18,416 INFO L899 garLoopResultBuilder]: For program point L4030(line 4030) no Hoare annotation was computed. [2023-11-29 06:37:18,416 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 4009 4033) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (and (= |#memory_$Pointer$#3.offset| |old(#memory_$Pointer$#3.offset)|) (= |old(#length)| |#length|) (= |old(#memory_$Pointer$#3.base)| |#memory_$Pointer$#3.base|) (= |old(#valid)| |#valid|) (= |#memory_int#3| |old(#memory_int#3)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~disable~0 0)) (not (= 2 ~ldv_mutex_pf_mutex~0)) (not (= ~ldv_retval_pf_init~0 0))) [2023-11-29 06:37:18,416 INFO L899 garLoopResultBuilder]: For program point L4025(lines 4025 4029) no Hoare annotation was computed. [2023-11-29 06:37:18,417 INFO L899 garLoopResultBuilder]: For program point pf_lockEXIT(lines 4009 4033) no Hoare annotation was computed. [2023-11-29 06:37:18,417 INFO L902 garLoopResultBuilder]: At program point L4025-2(lines 4025 4029) the Hoare annotation is: true [2023-11-29 06:37:18,417 INFO L895 garLoopResultBuilder]: At program point L4891(line 4891) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2023-11-29 06:37:18,417 INFO L899 garLoopResultBuilder]: For program point L4891-1(line 4891) no Hoare annotation was computed. [2023-11-29 06:37:18,417 INFO L895 garLoopResultBuilder]: At program point L3702(line 3702) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= 2 ~ldv_mutex_pf_mutex~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (<= ~ldv_state_variable_1~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0)) [2023-11-29 06:37:18,417 INFO L899 garLoopResultBuilder]: For program point L3702-1(line 3702) no Hoare annotation was computed. [2023-11-29 06:37:18,417 INFO L895 garLoopResultBuilder]: At program point L5618(line 5618) the Hoare annotation is: false [2023-11-29 06:37:18,417 INFO L899 garLoopResultBuilder]: For program point L5618-1(lines 5601 5622) no Hoare annotation was computed. [2023-11-29 06:37:18,417 INFO L899 garLoopResultBuilder]: For program point L5156(lines 5152 5159) no Hoare annotation was computed. [2023-11-29 06:37:18,417 INFO L899 garLoopResultBuilder]: For program point L4892-1(line 4892) no Hoare annotation was computed. [2023-11-29 06:37:18,418 INFO L895 garLoopResultBuilder]: At program point L4892(line 4892) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2023-11-29 06:37:18,418 INFO L899 garLoopResultBuilder]: For program point L4893(lines 4880 4905) no Hoare annotation was computed. [2023-11-29 06:37:18,418 INFO L899 garLoopResultBuilder]: For program point L3704(lines 3704 3707) no Hoare annotation was computed. [2023-11-29 06:37:18,418 INFO L895 garLoopResultBuilder]: At program point L5654(line 5654) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2023-11-29 06:37:18,418 INFO L899 garLoopResultBuilder]: For program point L5654-1(line 5654) no Hoare annotation was computed. [2023-11-29 06:37:18,418 INFO L899 garLoopResultBuilder]: For program point L4432(lines 4432 4435) no Hoare annotation was computed. [2023-11-29 06:37:18,418 INFO L899 garLoopResultBuilder]: For program point pf_init_returnLabel#1(lines 4794 4876) no Hoare annotation was computed. [2023-11-29 06:37:18,418 INFO L895 garLoopResultBuilder]: At program point L3674-1(line 3674) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (<= |ULTIMATE.start_pf_init_units_~unit~0#1| 3) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2023-11-29 06:37:18,418 INFO L895 garLoopResultBuilder]: At program point L4467(line 4467) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= 0 |ULTIMATE.start_pf_detect_~k~3#1|) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2023-11-29 06:37:18,419 INFO L899 garLoopResultBuilder]: For program point L4467-1(line 4467) no Hoare annotation was computed. [2023-11-29 06:37:18,419 INFO L895 garLoopResultBuilder]: At program point L4963(line 4963) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (<= ~ldv_state_variable_1~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2023-11-29 06:37:18,419 INFO L899 garLoopResultBuilder]: For program point L4930(lines 4925 5042) no Hoare annotation was computed. [2023-11-29 06:37:18,419 INFO L899 garLoopResultBuilder]: For program point L4963-1(line 4963) no Hoare annotation was computed. [2023-11-29 06:37:18,419 INFO L899 garLoopResultBuilder]: For program point L3774(lines 3774 3778) no Hoare annotation was computed. [2023-11-29 06:37:18,419 INFO L899 garLoopResultBuilder]: For program point L4864(lines 4800 4875) no Hoare annotation was computed. [2023-11-29 06:37:18,419 INFO L899 garLoopResultBuilder]: For program point L4832(lines 4832 4850) no Hoare annotation was computed. [2023-11-29 06:37:18,419 INFO L899 garLoopResultBuilder]: For program point L3709-1(line 3709) no Hoare annotation was computed. [2023-11-29 06:37:18,419 INFO L899 garLoopResultBuilder]: For program point L3709(line 3709) no Hoare annotation was computed. [2023-11-29 06:37:18,419 INFO L899 garLoopResultBuilder]: For program point L3709-3(line 3709) no Hoare annotation was computed. [2023-11-29 06:37:18,420 INFO L899 garLoopResultBuilder]: For program point L3709-5(line 3709) no Hoare annotation was computed. [2023-11-29 06:37:18,420 INFO L899 garLoopResultBuilder]: For program point L3709-7(lines 3709 3712) no Hoare annotation was computed. [2023-11-29 06:37:18,420 INFO L899 garLoopResultBuilder]: For program point L4436-1(lines 4436 4437) no Hoare annotation was computed. [2023-11-29 06:37:18,420 INFO L895 garLoopResultBuilder]: At program point L4436(lines 4436 4437) the Hoare annotation is: (and (<= |ULTIMATE.start_pf_detect_~unit~1#1| 3) (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2023-11-29 06:37:18,420 INFO L899 garLoopResultBuilder]: For program point pf_release_returnLabel#1(lines 3769 3787) no Hoare annotation was computed. [2023-11-29 06:37:18,420 INFO L899 garLoopResultBuilder]: For program point pf_detect_returnLabel#1(lines 4400 4484) no Hoare annotation was computed. [2023-11-29 06:37:18,420 INFO L895 garLoopResultBuilder]: At program point L4833(line 4833) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2023-11-29 06:37:18,420 INFO L899 garLoopResultBuilder]: For program point L4833-1(line 4833) no Hoare annotation was computed. [2023-11-29 06:37:18,420 INFO L899 garLoopResultBuilder]: For program point L4999(line 4999) no Hoare annotation was computed. [2023-11-29 06:37:18,420 INFO L899 garLoopResultBuilder]: For program point L4999-1(line 4999) no Hoare annotation was computed. [2023-11-29 06:37:18,421 INFO L899 garLoopResultBuilder]: For program point L4933-2(line 4933) no Hoare annotation was computed. [2023-11-29 06:37:18,421 INFO L899 garLoopResultBuilder]: For program point L4999-4(line 4999) no Hoare annotation was computed. [2023-11-29 06:37:18,421 INFO L899 garLoopResultBuilder]: For program point L4933-3(line 4933) no Hoare annotation was computed. [2023-11-29 06:37:18,421 INFO L899 garLoopResultBuilder]: For program point L4999-5(line 4999) no Hoare annotation was computed. [2023-11-29 06:37:18,421 INFO L899 garLoopResultBuilder]: For program point L4933(line 4933) no Hoare annotation was computed. [2023-11-29 06:37:18,421 INFO L899 garLoopResultBuilder]: For program point L4999-2(line 4999) no Hoare annotation was computed. [2023-11-29 06:37:18,421 INFO L899 garLoopResultBuilder]: For program point L4933-1(line 4933) no Hoare annotation was computed. [2023-11-29 06:37:18,421 INFO L899 garLoopResultBuilder]: For program point L4999-3(line 4999) no Hoare annotation was computed. [2023-11-29 06:37:18,421 INFO L899 garLoopResultBuilder]: For program point L4999-8(line 4999) no Hoare annotation was computed. [2023-11-29 06:37:18,421 INFO L899 garLoopResultBuilder]: For program point L4801(lines 4801 4804) no Hoare annotation was computed. [2023-11-29 06:37:18,421 INFO L899 garLoopResultBuilder]: For program point L4999-6(line 4999) no Hoare annotation was computed. [2023-11-29 06:37:18,422 INFO L899 garLoopResultBuilder]: For program point L4933-5(line 4933) no Hoare annotation was computed. [2023-11-29 06:37:18,422 INFO L899 garLoopResultBuilder]: For program point L4933-11(line 4933) no Hoare annotation was computed. [2023-11-29 06:37:18,422 INFO L899 garLoopResultBuilder]: For program point L4933-8(line 4933) no Hoare annotation was computed. [2023-11-29 06:37:18,422 INFO L899 garLoopResultBuilder]: For program point L4933-9(line 4933) no Hoare annotation was computed. [2023-11-29 06:37:18,422 INFO L899 garLoopResultBuilder]: For program point L4999-11(line 4999) no Hoare annotation was computed. [2023-11-29 06:37:18,422 INFO L899 garLoopResultBuilder]: For program point L4933-14(line 4933) no Hoare annotation was computed. [2023-11-29 06:37:18,422 INFO L899 garLoopResultBuilder]: For program point L4933-15(line 4933) no Hoare annotation was computed. [2023-11-29 06:37:18,422 INFO L899 garLoopResultBuilder]: For program point L4438(lines 4438 4451) no Hoare annotation was computed. [2023-11-29 06:37:18,422 INFO L899 garLoopResultBuilder]: For program point L4933-17(line 4933) no Hoare annotation was computed. [2023-11-29 06:37:18,422 INFO L899 garLoopResultBuilder]: For program point L4933-20(line 4933) no Hoare annotation was computed. [2023-11-29 06:37:18,423 INFO L899 garLoopResultBuilder]: For program point L4933-21(line 4933) no Hoare annotation was computed. [2023-11-29 06:37:18,423 INFO L899 garLoopResultBuilder]: For program point L4933-26(line 4933) no Hoare annotation was computed. [2023-11-29 06:37:18,423 INFO L899 garLoopResultBuilder]: For program point L4933-24(line 4933) no Hoare annotation was computed. [2023-11-29 06:37:18,423 INFO L899 garLoopResultBuilder]: For program point L4933-25(line 4933) no Hoare annotation was computed. [2023-11-29 06:37:18,423 INFO L899 garLoopResultBuilder]: For program point L4933-30(line 4933) no Hoare annotation was computed. [2023-11-29 06:37:18,423 INFO L899 garLoopResultBuilder]: For program point L3679(lines 3679 3682) no Hoare annotation was computed. [2023-11-29 06:37:18,423 INFO L899 garLoopResultBuilder]: For program point L4439(lines 4439 4449) no Hoare annotation was computed. [2023-11-29 06:37:18,423 INFO L899 garLoopResultBuilder]: For program point L4472-1(line 4472) no Hoare annotation was computed. [2023-11-29 06:37:18,423 INFO L895 garLoopResultBuilder]: At program point L4472(line 4472) the Hoare annotation is: (and (<= |ULTIMATE.start_pf_detect_~unit~1#1| 3) (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= 0 |ULTIMATE.start_pf_detect_~k~3#1|) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2023-11-29 06:37:18,423 INFO L899 garLoopResultBuilder]: For program point L5034(line 5034) no Hoare annotation was computed. [2023-11-29 06:37:18,424 INFO L899 garLoopResultBuilder]: For program point L4968-1(line 4968) no Hoare annotation was computed. [2023-11-29 06:37:18,424 INFO L895 garLoopResultBuilder]: At program point L4968(line 4968) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2023-11-29 06:37:18,424 INFO L899 garLoopResultBuilder]: For program point main_ldv_final#1(lines 4925 5042) no Hoare annotation was computed. [2023-11-29 06:37:18,424 INFO L899 garLoopResultBuilder]: For program point L4440-1(line 4440) no Hoare annotation was computed. [2023-11-29 06:37:18,424 INFO L895 garLoopResultBuilder]: At program point L4440(line 4440) the Hoare annotation is: (and (<= |ULTIMATE.start_pf_detect_~unit~1#1| 3) (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2023-11-29 06:37:18,424 INFO L899 garLoopResultBuilder]: For program point L3780(line 3780) no Hoare annotation was computed. [2023-11-29 06:37:18,424 INFO L899 garLoopResultBuilder]: For program point L3780-2(lines 3780 3783) no Hoare annotation was computed. [2023-11-29 06:37:18,424 INFO L899 garLoopResultBuilder]: For program point L3780-3(lines 3780 3783) no Hoare annotation was computed. [2023-11-29 06:37:18,424 INFO L899 garLoopResultBuilder]: For program point L4441(lines 4441 4446) no Hoare annotation was computed. [2023-11-29 06:37:18,424 INFO L895 garLoopResultBuilder]: At program point L4838(line 4838) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (<= |ULTIMATE.start_pf_init_~unit~2#1| 3) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2023-11-29 06:37:18,425 INFO L895 garLoopResultBuilder]: At program point L3781(line 3781) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= 2 ~ldv_mutex_pf_mutex~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0)) [2023-11-29 06:37:18,425 INFO L899 garLoopResultBuilder]: For program point L4838-1(line 4838) no Hoare annotation was computed. [2023-11-29 06:37:18,425 INFO L899 garLoopResultBuilder]: For program point L3715(lines 3715 3718) no Hoare annotation was computed. [2023-11-29 06:37:18,425 INFO L895 garLoopResultBuilder]: At program point L3716(line 3716) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= 2 ~ldv_mutex_pf_mutex~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (<= ~ldv_state_variable_1~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0)) [2023-11-29 06:37:18,425 INFO L899 garLoopResultBuilder]: For program point L3683(lines 3657 3694) no Hoare annotation was computed. [2023-11-29 06:37:18,425 INFO L895 garLoopResultBuilder]: At program point L4939(line 4939) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (<= ~ldv_state_variable_1~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2023-11-29 06:37:18,425 INFO L899 garLoopResultBuilder]: For program point L4939-1(line 4939) no Hoare annotation was computed. [2023-11-29 06:37:18,425 INFO L899 garLoopResultBuilder]: For program point L4807(lines 4807 4810) no Hoare annotation was computed. [2023-11-29 06:37:18,425 INFO L895 garLoopResultBuilder]: At program point L4411(lines 4411 4412) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2023-11-29 06:37:18,426 INFO L899 garLoopResultBuilder]: For program point L4411-1(lines 4411 4412) no Hoare annotation was computed. [2023-11-29 06:37:18,426 INFO L895 garLoopResultBuilder]: At program point L4445(line 4445) the Hoare annotation is: (and (<= |ULTIMATE.start_pf_detect_~unit~1#1| 3) (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2023-11-29 06:37:18,426 INFO L899 garLoopResultBuilder]: For program point L4445-1(line 4445) no Hoare annotation was computed. [2023-11-29 06:37:18,426 INFO L895 garLoopResultBuilder]: At program point L5139(line 5139) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2023-11-29 06:37:18,426 INFO L895 garLoopResultBuilder]: At program point L5139-1(line 5139) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= 2 ~ldv_mutex_pf_mutex~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0)) [2023-11-29 06:37:18,426 INFO L899 garLoopResultBuilder]: For program point L3719(lines 3699 3722) no Hoare annotation was computed. [2023-11-29 06:37:18,426 INFO L895 garLoopResultBuilder]: At program point L5107(line 5107) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (<= ~ldv_state_variable_1~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2023-11-29 06:37:18,426 INFO L895 garLoopResultBuilder]: At program point L5107-1(line 5107) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= 2 ~ldv_mutex_pf_mutex~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (<= ~ldv_state_variable_1~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0)) [2023-11-29 06:37:18,427 INFO L899 garLoopResultBuilder]: For program point L5140(lines 5136 5143) no Hoare annotation was computed. [2023-11-29 06:37:18,427 INFO L899 garLoopResultBuilder]: For program point L4414(lines 4414 4462) no Hoare annotation was computed. [2023-11-29 06:37:18,427 INFO L899 garLoopResultBuilder]: For program point L5108(lines 5104 5111) no Hoare annotation was computed. [2023-11-29 06:37:18,427 INFO L899 garLoopResultBuilder]: For program point $Ultimate##99(lines 3687 3691) no Hoare annotation was computed. [2023-11-29 06:37:18,427 INFO L899 garLoopResultBuilder]: For program point L5604(lines 5604 5607) no Hoare annotation was computed. [2023-11-29 06:37:18,427 INFO L895 garLoopResultBuilder]: At program point L4415(lines 4415 4416) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= 0 |ULTIMATE.start_pf_detect_~k~3#1|) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2023-11-29 06:37:18,427 INFO L899 garLoopResultBuilder]: For program point L4448-1(line 4448) no Hoare annotation was computed. [2023-11-29 06:37:18,427 INFO L899 garLoopResultBuilder]: For program point L4415-1(lines 4415 4416) no Hoare annotation was computed. [2023-11-29 06:37:18,427 INFO L895 garLoopResultBuilder]: At program point L4448(line 4448) the Hoare annotation is: (and (<= |ULTIMATE.start_pf_detect_~unit~1#1| 3) (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2023-11-29 06:37:18,427 INFO L899 garLoopResultBuilder]: For program point L4944-1(line 4944) no Hoare annotation was computed. [2023-11-29 06:37:18,428 INFO L895 garLoopResultBuilder]: At program point L4944(line 4944) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2023-11-29 06:37:18,428 INFO L899 garLoopResultBuilder]: For program point L4813(lines 4813 4830) no Hoare annotation was computed. [2023-11-29 06:37:18,428 INFO L895 garLoopResultBuilder]: At program point L5606(line 5606) the Hoare annotation is: false [2023-11-29 06:37:18,428 INFO L899 garLoopResultBuilder]: For program point $Ultimate##79(lines 4897 4901) no Hoare annotation was computed. [2023-11-29 06:37:18,428 INFO L899 garLoopResultBuilder]: For program point L5606-1(lines 5603 5621) no Hoare annotation was computed. [2023-11-29 06:37:18,428 INFO L899 garLoopResultBuilder]: For program point L4417(lines 4417 4426) no Hoare annotation was computed. [2023-11-29 06:37:18,428 INFO L895 garLoopResultBuilder]: At program point L4418(line 4418) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= 0 |ULTIMATE.start_pf_detect_~k~3#1|) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2023-11-29 06:37:18,428 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-29 06:37:18,429 INFO L899 garLoopResultBuilder]: For program point L4418-1(line 4418) no Hoare annotation was computed. [2023-11-29 06:37:18,429 INFO L895 garLoopResultBuilder]: At program point L4881(line 4881) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2023-11-29 06:37:18,429 INFO L899 garLoopResultBuilder]: For program point L4881-1(line 4881) no Hoare annotation was computed. [2023-11-29 06:37:18,429 INFO L899 garLoopResultBuilder]: For program point L4419(line 4419) no Hoare annotation was computed. [2023-11-29 06:37:18,429 INFO L899 garLoopResultBuilder]: For program point L4452(lines 4427 4462) no Hoare annotation was computed. [2023-11-29 06:37:18,429 INFO L899 garLoopResultBuilder]: For program point L4419-2(lines 4419 4424) no Hoare annotation was computed. [2023-11-29 06:37:18,429 INFO L899 garLoopResultBuilder]: For program point $Ultimate##127(lines 4476 4480) no Hoare annotation was computed. [2023-11-29 06:37:18,429 INFO L895 garLoopResultBuilder]: At program point L5147(line 5147) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= 2 ~ldv_mutex_pf_mutex~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0)) [2023-11-29 06:37:18,429 INFO L895 garLoopResultBuilder]: At program point L5147-1(line 5147) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2023-11-29 06:37:18,429 INFO L895 garLoopResultBuilder]: At program point L5610(line 5610) the Hoare annotation is: false [2023-11-29 06:37:18,430 INFO L899 garLoopResultBuilder]: For program point $Ultimate##133(lines 4822 4826) no Hoare annotation was computed. [2023-11-29 06:37:18,430 INFO L899 garLoopResultBuilder]: For program point L5610-1(lines 5603 5621) no Hoare annotation was computed. [2023-11-29 06:37:18,430 INFO L899 garLoopResultBuilder]: For program point $Ultimate##137(lines 4842 4846) no Hoare annotation was computed. [2023-11-29 06:37:18,430 INFO L895 garLoopResultBuilder]: At program point L5115(line 5115) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= 2 ~ldv_mutex_pf_mutex~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (<= ~ldv_state_variable_1~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0)) [2023-11-29 06:37:18,430 INFO L895 garLoopResultBuilder]: At program point L5115-1(line 5115) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (<= ~ldv_state_variable_1~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2023-11-29 06:37:18,430 INFO L899 garLoopResultBuilder]: For program point L5148(lines 5144 5151) no Hoare annotation was computed. [2023-11-29 06:37:18,430 INFO L895 garLoopResultBuilder]: At program point L4818(line 4818) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (<= |ULTIMATE.start_pf_init_~unit~2#1| 3) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2023-11-29 06:37:18,430 INFO L899 garLoopResultBuilder]: For program point L4818-1(line 4818) no Hoare annotation was computed. [2023-11-29 06:37:18,431 INFO L899 garLoopResultBuilder]: For program point $Ultimate##141(lines 4868 4872) no Hoare annotation was computed. [2023-11-29 06:37:18,431 INFO L899 garLoopResultBuilder]: For program point L5116(lines 5112 5119) no Hoare annotation was computed. [2023-11-29 06:37:18,431 INFO L895 garLoopResultBuilder]: At program point L4951(line 4951) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (<= ~ldv_state_variable_1~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2023-11-29 06:37:18,431 INFO L899 garLoopResultBuilder]: For program point L4951-1(line 4951) no Hoare annotation was computed. [2023-11-29 06:37:18,431 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-29 06:37:18,431 INFO L895 garLoopResultBuilder]: At program point L4423(line 4423) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= 0 |ULTIMATE.start_pf_detect_~k~3#1|) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2023-11-29 06:37:18,431 INFO L899 garLoopResultBuilder]: For program point L4423-1(line 4423) no Hoare annotation was computed. [2023-11-29 06:37:18,431 INFO L899 garLoopResultBuilder]: For program point L4886(lines 4886 4889) no Hoare annotation was computed. [2023-11-29 06:37:18,431 INFO L899 garLoopResultBuilder]: For program point L3665(lines 3665 3668) no Hoare annotation was computed. [2023-11-29 06:37:18,431 INFO L895 garLoopResultBuilder]: At program point L5614(line 5614) the Hoare annotation is: false [2023-11-29 06:37:18,432 INFO L899 garLoopResultBuilder]: For program point L5614-1(lines 5603 5621) no Hoare annotation was computed. [2023-11-29 06:37:18,432 INFO L899 garLoopResultBuilder]: For program point L-1-2(line -1) no Hoare annotation was computed. [2023-11-29 06:37:18,432 INFO L895 garLoopResultBuilder]: At program point L-1-4(line -1) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (<= |ULTIMATE.start_pf_init_units_~unit~0#1| 3) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2023-11-29 06:37:18,432 INFO L899 garLoopResultBuilder]: For program point L-1-5(line -1) no Hoare annotation was computed. [2023-11-29 06:37:18,432 INFO L899 garLoopResultBuilder]: For program point L4956-1(line 4956) no Hoare annotation was computed. [2023-11-29 06:37:18,432 INFO L895 garLoopResultBuilder]: At program point L4956(line 4956) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2023-11-29 06:37:18,432 INFO L899 garLoopResultBuilder]: For program point L4857(lines 4857 4860) no Hoare annotation was computed. [2023-11-29 06:37:18,432 INFO L895 garLoopResultBuilder]: At program point L5155(line 5155) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= 2 ~ldv_mutex_pf_mutex~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0)) [2023-11-29 06:37:18,432 INFO L895 garLoopResultBuilder]: At program point L5155-1(line 5155) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2023-11-29 06:37:18,433 INFO L899 garLoopResultBuilder]: For program point $Ultimate##125(lines 4463 4466) no Hoare annotation was computed. [2023-11-29 06:37:18,433 INFO L899 garLoopResultBuilder]: For program point $Ultimate##123(lines 4456 4460) no Hoare annotation was computed. [2023-11-29 06:37:18,433 INFO L899 garLoopResultBuilder]: For program point pf_ioctlEXIT(lines 3750 3768) no Hoare annotation was computed. [2023-11-29 06:37:18,433 INFO L899 garLoopResultBuilder]: For program point pf_ioctlFINAL(lines 3750 3768) no Hoare annotation was computed. [2023-11-29 06:37:18,433 INFO L899 garLoopResultBuilder]: For program point L4050(line 4050) no Hoare annotation was computed. [2023-11-29 06:37:18,433 INFO L895 garLoopResultBuilder]: At program point L4049-1(line 4049) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (= 2 ~ldv_mutex_pf_mutex~0) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~disable~0 0)) (not (= |old(~ldv_mutex_pf_mutex~0)| 1)) (not (= ~ldv_retval_pf_init~0 0))) [2023-11-29 06:37:18,433 INFO L895 garLoopResultBuilder]: At program point L4049(line 4049) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (= 2 ~ldv_mutex_pf_mutex~0) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~disable~0 0)) (not (= |old(~ldv_mutex_pf_mutex~0)| 1)) (not (= ~ldv_retval_pf_init~0 0))) [2023-11-29 06:37:18,433 INFO L899 garLoopResultBuilder]: For program point L3759(lines 3759 3762) no Hoare annotation was computed. [2023-11-29 06:37:18,433 INFO L895 garLoopResultBuilder]: At program point L5131(line 5131) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (= 2 ~ldv_mutex_pf_mutex~0) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~disable~0 0)) (not (= |old(~ldv_mutex_pf_mutex~0)| 1)) (not (= ~ldv_retval_pf_init~0 0))) [2023-11-29 06:37:18,434 INFO L895 garLoopResultBuilder]: At program point L5131-1(line 5131) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~disable~0 0)) (not (= |old(~ldv_mutex_pf_mutex~0)| 1)) (= ~ldv_mutex_pf_mutex~0 1) (not (= ~ldv_retval_pf_init~0 0))) [2023-11-29 06:37:18,434 INFO L899 garLoopResultBuilder]: For program point L3755(lines 3755 3758) no Hoare annotation was computed. [2023-11-29 06:37:18,434 INFO L899 garLoopResultBuilder]: For program point L5132(lines 5128 5135) no Hoare annotation was computed. [2023-11-29 06:37:18,434 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 3750 3768) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (and (= |#memory_$Pointer$#3.offset| |old(#memory_$Pointer$#3.offset)|) (= |old(#length)| |#length|) (= |old(#memory_$Pointer$#3.base)| |#memory_$Pointer$#3.base|) (= ~ldv_mutex_pf_mutex~0 1) (= |old(#valid)| |#valid|) (= |#memory_int#3| |old(#memory_int#3)|)) (not (= ~disable~0 0)) (not (= |old(~ldv_mutex_pf_mutex~0)| 1)) (not (= ~ldv_retval_pf_init~0 0))) [2023-11-29 06:37:18,434 INFO L895 garLoopResultBuilder]: At program point L5123(line 5123) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (and (= |#memory_$Pointer$#3.offset| |old(#memory_$Pointer$#3.offset)|) (= |old(#length)| |#length|) (= |old(#memory_$Pointer$#3.base)| |#memory_$Pointer$#3.base|) (= ~ldv_mutex_pf_mutex~0 1) (= |old(#valid)| |#valid|) (= |#memory_int#3| |old(#memory_int#3)|)) (not (= ~disable~0 0)) (not (= |old(~ldv_mutex_pf_mutex~0)| 1)) (not (= ~ldv_retval_pf_init~0 0))) [2023-11-29 06:37:18,434 INFO L895 garLoopResultBuilder]: At program point L5123-1(line 5123) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~disable~0 0)) (and (= |#memory_$Pointer$#3.offset| |old(#memory_$Pointer$#3.offset)|) (= |old(#length)| |#length|) (= 2 ~ldv_mutex_pf_mutex~0) (= |old(#memory_$Pointer$#3.base)| |#memory_$Pointer$#3.base|) (= |old(#valid)| |#valid|) (= |#memory_int#3| |old(#memory_int#3)|)) (not (= |old(~ldv_mutex_pf_mutex~0)| 1)) (not (= ~ldv_retval_pf_init~0 0))) [2023-11-29 06:37:18,434 INFO L899 garLoopResultBuilder]: For program point L5124(lines 5120 5127) no Hoare annotation was computed. [2023-11-29 06:37:18,437 INFO L445 BasicCegarLoop]: Path program 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] [2023-11-29 06:37:18,439 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 06:37:18,453 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~ldv_state_variable_0~0 [2023-11-29 06:37:18,454 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~ldv_mutex_mutex_of_device~0 [2023-11-29 06:37:18,454 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~disable~0 [2023-11-29 06:37:18,454 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~ldv_mutex_lock~0 [2023-11-29 06:37:18,454 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 [2023-11-29 06:37:18,454 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~unit~0 [2023-11-29 06:37:18,454 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~ldv_retval_pf_init~0 [2023-11-29 06:37:18,454 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~ldv_mutex_pf_mutex~0 [2023-11-29 06:37:18,456 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 06:37:18 BoogieIcfgContainer [2023-11-29 06:37:18,456 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 06:37:18,457 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 06:37:18,457 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 06:37:18,457 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 06:37:18,457 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:35:35" (3/4) ... [2023-11-29 06:37:18,459 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 06:37:18,463 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_unlock_pf_mutex [2023-11-29 06:37:18,463 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_release [2023-11-29 06:37:18,463 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pf_check_events [2023-11-29 06:37:18,463 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_init [2023-11-29 06:37:18,463 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pf_getgeo [2023-11-29 06:37:18,463 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure unregister_blkdev [2023-11-29 06:37:18,463 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure write_reg [2023-11-29 06:37:18,463 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_read_regr [2023-11-29 06:37:18,463 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2023-11-29 06:37:18,463 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_disconnect [2023-11-29 06:37:18,464 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure status_reg [2023-11-29 06:37:18,464 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __const_udelay [2023-11-29 06:37:18,464 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_lock_pf_mutex [2023-11-29 06:37:18,464 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_unlock [2023-11-29 06:37:18,464 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2023-11-29 06:37:18,464 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_connect [2023-11-29 06:37:18,464 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure put_disk [2023-11-29 06:37:18,464 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pf_atapi [2023-11-29 06:37:18,464 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure get_capacity [2023-11-29 06:37:18,464 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pf_reset [2023-11-29 06:37:18,464 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pf_command [2023-11-29 06:37:18,464 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pf_probe [2023-11-29 06:37:18,465 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_read_block [2023-11-29 06:37:18,465 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure set_capacity [2023-11-29 06:37:18,465 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pf_lock [2023-11-29 06:37:18,465 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pf_wait [2023-11-29 06:37:18,465 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_reg [2023-11-29 06:37:18,465 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pf_identify [2023-11-29 06:37:18,465 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pf_sleep [2023-11-29 06:37:18,465 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pf_req_sense [2023-11-29 06:37:18,465 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pf_mode_sense [2023-11-29 06:37:18,465 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2023-11-29 06:37:18,465 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pf_completion [2023-11-29 06:37:18,465 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure xl [2023-11-29 06:37:18,465 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_lock [2023-11-29 06:37:18,466 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure xs [2023-11-29 06:37:18,466 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pf_ioctl [2023-11-29 06:37:18,466 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_write_block [2023-11-29 06:37:18,504 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 277 nodes and edges [2023-11-29 06:37:18,509 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 95 nodes and edges [2023-11-29 06:37:18,514 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges [2023-11-29 06:37:18,518 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-29 06:37:18,523 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-29 06:37:18,527 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-29 06:37:18,532 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 06:37:18,581 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!((ldv_mutex_lock == 1)) || !((1 == ldv_mutex_mutex_of_device))) || !((ldv_mutex_cred_guard_mutex_of_signal_struct == 1))) || !((disable == 0))) || !((ldv_state_variable_0 == 1))) || !((ldv_mutex_pf_mutex == 1))) || (go == \old(go))) || !((ldv_retval_pf_init == 0))) && ((((((!((ldv_mutex_lock == 1)) || !((1 == ldv_mutex_mutex_of_device))) || !((ldv_mutex_cred_guard_mutex_of_signal_struct == 1))) || !((disable == 0))) || !((2 == ldv_mutex_pf_mutex))) || (go == \old(go))) || !((ldv_retval_pf_init == 0)))) [2023-11-29 06:37:18,586 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!((ldv_mutex_lock == 1)) || !((1 == ldv_mutex_mutex_of_device))) || !((ldv_mutex_cred_guard_mutex_of_signal_struct == 1))) || !((disable == 0))) || !((ldv_state_variable_0 == 1))) || !((ldv_mutex_pf_mutex == 1))) || (go == \old(go))) || !((ldv_retval_pf_init == 0))) && ((((((!((ldv_mutex_lock == 1)) || !((1 == ldv_mutex_mutex_of_device))) || !((ldv_mutex_cred_guard_mutex_of_signal_struct == 1))) || !((disable == 0))) || !((2 == ldv_mutex_pf_mutex))) || (go == \old(go))) || !((ldv_retval_pf_init == 0)))) [2023-11-29 06:37:18,744 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!((ldv_mutex_lock == 1)) || !((1 == ldv_mutex_mutex_of_device))) || !((ldv_mutex_cred_guard_mutex_of_signal_struct == 1))) || !((disable == 0))) || !((ldv_state_variable_0 == 1))) || !((ldv_mutex_pf_mutex == 1))) || (go == \old(go))) || !((ldv_retval_pf_init == 0))) && ((((((!((ldv_mutex_lock == 1)) || !((1 == ldv_mutex_mutex_of_device))) || !((ldv_mutex_cred_guard_mutex_of_signal_struct == 1))) || !((disable == 0))) || !((2 == ldv_mutex_pf_mutex))) || (go == \old(go))) || !((ldv_retval_pf_init == 0)))) [2023-11-29 06:37:18,749 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!((ldv_mutex_lock == 1)) || !((1 == ldv_mutex_mutex_of_device))) || !((ldv_mutex_cred_guard_mutex_of_signal_struct == 1))) || !((disable == 0))) || !((ldv_state_variable_0 == 1))) || !((ldv_mutex_pf_mutex == 1))) || (go == \old(go))) || !((ldv_retval_pf_init == 0))) && ((((((!((ldv_mutex_lock == 1)) || !((1 == ldv_mutex_mutex_of_device))) || !((ldv_mutex_cred_guard_mutex_of_signal_struct == 1))) || !((disable == 0))) || !((2 == ldv_mutex_pf_mutex))) || (go == \old(go))) || !((ldv_retval_pf_init == 0)))) [2023-11-29 06:37:18,807 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 06:37:18,807 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 06:37:18,808 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 06:37:18,808 INFO L158 Benchmark]: Toolchain (without parser) took 108492.18ms. Allocated memory was 161.5MB in the beginning and 1.7GB in the end (delta: 1.6GB). Free memory was 107.3MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 486.0MB. Max. memory is 16.1GB. [2023-11-29 06:37:18,809 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 161.5MB. Free memory is still 107.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 06:37:18,809 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1350.35ms. Allocated memory was 161.5MB in the beginning and 207.6MB in the end (delta: 46.1MB). Free memory was 107.3MB in the beginning and 113.1MB in the end (delta: -5.8MB). Peak memory consumption was 62.6MB. Max. memory is 16.1GB. [2023-11-29 06:37:18,809 INFO L158 Benchmark]: Boogie Procedure Inliner took 107.10ms. Allocated memory is still 207.6MB. Free memory was 113.1MB in the beginning and 104.8MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-29 06:37:18,809 INFO L158 Benchmark]: Boogie Preprocessor took 189.60ms. Allocated memory is still 207.6MB. Free memory was 104.8MB in the beginning and 81.7MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-29 06:37:18,810 INFO L158 Benchmark]: RCFGBuilder took 3422.27ms. Allocated memory was 207.6MB in the beginning and 270.5MB in the end (delta: 62.9MB). Free memory was 81.7MB in the beginning and 199.4MB in the end (delta: -117.7MB). Peak memory consumption was 35.6MB. Max. memory is 16.1GB. [2023-11-29 06:37:18,826 INFO L158 Benchmark]: TraceAbstraction took 103064.42ms. Allocated memory was 270.5MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 198.3MB in the beginning and 1.2GB in the end (delta: -1.0GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2023-11-29 06:37:18,826 INFO L158 Benchmark]: Witness Printer took 351.10ms. Allocated memory is still 1.7GB. Free memory was 1.2GB in the beginning and 1.2GB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-29 06:37:18,828 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 161.5MB. Free memory is still 107.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1350.35ms. Allocated memory was 161.5MB in the beginning and 207.6MB in the end (delta: 46.1MB). Free memory was 107.3MB in the beginning and 113.1MB in the end (delta: -5.8MB). Peak memory consumption was 62.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 107.10ms. Allocated memory is still 207.6MB. Free memory was 113.1MB in the beginning and 104.8MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 189.60ms. Allocated memory is still 207.6MB. Free memory was 104.8MB in the beginning and 81.7MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * RCFGBuilder took 3422.27ms. Allocated memory was 207.6MB in the beginning and 270.5MB in the end (delta: 62.9MB). Free memory was 81.7MB in the beginning and 199.4MB in the end (delta: -117.7MB). Peak memory consumption was 35.6MB. Max. memory is 16.1GB. * TraceAbstraction took 103064.42ms. Allocated memory was 270.5MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 198.3MB in the beginning and 1.2GB in the end (delta: -1.0GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. * Witness Printer took 351.10ms. Allocated memory is still 1.7GB. Free memory was 1.2GB in the beginning and 1.2GB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~ldv_state_variable_0~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~ldv_mutex_mutex_of_device~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~disable~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~ldv_mutex_lock~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~unit~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~ldv_retval_pf_init~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~ldv_mutex_pf_mutex~0 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 5165]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 504 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 103.0s, OverallIterations: 24, TraceHistogramMax: 8, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 42.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 25.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9217 SdHoareTripleChecker+Valid, 36.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9035 mSDsluCounter, 31464 SdHoareTripleChecker+Invalid, 35.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 16567 mSDsCounter, 1558 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12976 IncrementalHoareTripleChecker+Invalid, 14534 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1558 mSolverCounterUnsat, 14897 mSDtfsCounter, 12976 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4464 GetRequests, 4297 SyntacticMatches, 0 SemanticMatches, 167 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 225 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3150occurred in iteration=23, InterpolantAutomatonStates: 108, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.3s AutomataMinimizationTime, 24 MinimizatonAttempts, 1309 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 168 LocationsWithAnnotation, 27996 PreInvPairs, 31222 NumberOfFragments, 3523 HoareAnnotationTreeSize, 27996 FomulaSimplifications, 200922 FormulaSimplificationTreeSizeReduction, 17.5s HoareSimplificationTime, 168 FomulaSimplificationsInter, 65327 FormulaSimplificationTreeSizeReductionInter, 7.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 1.6s SsaConstructionTime, 4.5s SatisfiabilityAnalysisTime, 13.3s InterpolantComputationTime, 5774 NumberOfCodeBlocks, 5774 NumberOfCodeBlocksAsserted, 44 NumberOfCheckSat, 6366 ConstructedInterpolants, 0 QuantifiedInterpolants, 8762 SizeOfPredicates, 7 NumberOfNonLiveVariables, 37564 ConjunctsInSsa, 63 ConjunctsInUnsatCore, 47 InterpolantComputations, 21 PerfectInterpolantSequences, 3584/3847 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 4332]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3822]: Loop Invariant Derived loop invariant: ((((((((!((ldv_mutex_lock == 1)) || !((1 == ldv_mutex_mutex_of_device))) || !((ldv_mutex_cred_guard_mutex_of_signal_struct == 1))) || !((disable == 0))) || !((ldv_state_variable_0 == 1))) || !((ldv_mutex_pf_mutex == 1))) || (go == \old(go))) || !((ldv_retval_pf_init == 0))) && ((((((!((ldv_mutex_lock == 1)) || !((1 == ldv_mutex_mutex_of_device))) || !((ldv_mutex_cred_guard_mutex_of_signal_struct == 1))) || !((disable == 0))) || !((2 == ldv_mutex_pf_mutex))) || (go == \old(go))) || !((ldv_retval_pf_init == 0)))) - InvariantResult [Line: 3674]: Loop Invariant Derived loop invariant: ((((((((ldv_state_variable_0 == 1) && (1 == ldv_mutex_mutex_of_device)) && (disable == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (unit <= 3)) && (ldv_retval_pf_init == 0)) && (ldv_mutex_pf_mutex == 1)) - InvariantResult [Line: 3822]: Loop Invariant Derived loop invariant: ((((((((!((ldv_mutex_lock == 1)) || !((1 == ldv_mutex_mutex_of_device))) || !((ldv_mutex_cred_guard_mutex_of_signal_struct == 1))) || !((disable == 0))) || !((ldv_state_variable_0 == 1))) || !((ldv_mutex_pf_mutex == 1))) || (go == \old(go))) || !((ldv_retval_pf_init == 0))) && ((((((!((ldv_mutex_lock == 1)) || !((1 == ldv_mutex_mutex_of_device))) || !((ldv_mutex_cred_guard_mutex_of_signal_struct == 1))) || !((disable == 0))) || !((2 == ldv_mutex_pf_mutex))) || (go == \old(go))) || !((ldv_retval_pf_init == 0)))) - InvariantResult [Line: 4070]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4070]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3808]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3983]: Loop Invariant Derived loop invariant: (((((((!((ldv_mutex_lock == 1)) || !((1 == ldv_mutex_mutex_of_device))) || !((ldv_mutex_cred_guard_mutex_of_signal_struct == 1))) || !((disable == 0))) || !((ldv_state_variable_0 == 1))) || !((ldv_mutex_pf_mutex == 1))) || !((ldv_retval_pf_init == 0))) && (((((!((ldv_mutex_lock == 1)) || !((1 == ldv_mutex_mutex_of_device))) || !((ldv_mutex_cred_guard_mutex_of_signal_struct == 1))) || !((disable == 0))) || !((2 == ldv_mutex_pf_mutex))) || !((ldv_retval_pf_init == 0)))) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 4341]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3948]: Loop Invariant Derived loop invariant: (((((((!((ldv_mutex_lock == 1)) || !((1 == ldv_mutex_mutex_of_device))) || !((ldv_mutex_cred_guard_mutex_of_signal_struct == 1))) || !((disable == 0))) || !((ldv_state_variable_0 == 1))) || !((ldv_mutex_pf_mutex == 1))) || !((ldv_retval_pf_init == 0))) && (((((!((ldv_mutex_lock == 1)) || !((1 == ldv_mutex_mutex_of_device))) || !((ldv_mutex_cred_guard_mutex_of_signal_struct == 1))) || !((disable == 0))) || !((2 == ldv_mutex_pf_mutex))) || !((ldv_retval_pf_init == 0)))) - InvariantResult [Line: 4369]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4054]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4112]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-29 06:37:18,861 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab62ec-0952-40c6-8bb7-6b2df8e2680b/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE