./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 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a3664e-9cf2-44bb-9874-3ba7f3d485dd/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a3664e-9cf2-44bb-9874-3ba7f3d485dd/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a3664e-9cf2-44bb-9874-3ba7f3d485dd/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a3664e-9cf2-44bb-9874-3ba7f3d485dd/bin/uautomizer-verify-4GaUIPS5ZU/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_98a3664e-9cf2-44bb-9874-3ba7f3d485dd/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a3664e-9cf2-44bb-9874-3ba7f3d485dd/bin/uautomizer-verify-4GaUIPS5ZU --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 0.2.5-dev-4fc63b2 [2024-10-31 22:18:24,723 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:18:24,787 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a3664e-9cf2-44bb-9874-3ba7f3d485dd/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-31 22:18:24,795 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:18:24,795 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:18:24,841 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:18:24,841 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:18:24,842 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:18:24,843 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:18:24,844 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:18:24,846 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:18:24,847 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:18:24,848 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:18:24,848 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:18:24,848 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:18:24,849 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:18:24,849 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:18:24,849 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:18:24,850 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:18:24,854 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:18:24,855 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:18:24,855 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:18:24,855 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:18:24,856 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:18:24,856 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:18:24,856 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:18:24,869 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:18:24,869 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:18:24,870 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:18:24,870 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:18:24,870 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:18:24,871 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:18:24,871 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:18:24,871 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:18:24,871 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:18:24,872 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:18:24,872 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:18:24,872 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:18:24,872 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:18:24,872 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_98a3664e-9cf2-44bb-9874-3ba7f3d485dd/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a3664e-9cf2-44bb-9874-3ba7f3d485dd/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 65cc93bea37c503291576929a444106bffa9d5b7b84b8d294ee7e7120b60ffa5 [2024-10-31 22:18:25,171 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:18:25,204 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:18:25,207 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:18:25,209 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:18:25,210 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:18:25,212 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a3664e-9cf2-44bb-9874-3ba7f3d485dd/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pf.ko-main.cil.out.i Unable to find full path for "g++" [2024-10-31 22:18:27,560 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:18:28,071 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:18:28,072 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a3664e-9cf2-44bb-9874-3ba7f3d485dd/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pf.ko-main.cil.out.i [2024-10-31 22:18:28,112 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a3664e-9cf2-44bb-9874-3ba7f3d485dd/bin/uautomizer-verify-4GaUIPS5ZU/data/17ab8fbc3/2dca8bf4cb754cdfab9955c2d4588df5/FLAG22e277587 [2024-10-31 22:18:28,185 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a3664e-9cf2-44bb-9874-3ba7f3d485dd/bin/uautomizer-verify-4GaUIPS5ZU/data/17ab8fbc3/2dca8bf4cb754cdfab9955c2d4588df5 [2024-10-31 22:18:28,187 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:18:28,189 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:18:28,190 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:18:28,191 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:18:28,197 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:18:28,198 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:18:28" (1/1) ... [2024-10-31 22:18:28,200 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63991b18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:28, skipping insertion in model container [2024-10-31 22:18:28,200 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:18:28" (1/1) ... [2024-10-31 22:18:28,323 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:18:29,649 WARN L251 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_98a3664e-9cf2-44bb-9874-3ba7f3d485dd/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pf.ko-main.cil.out.i[138616,138629] [2024-10-31 22:18:29,745 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:18:29,812 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:18:30,133 WARN L251 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_98a3664e-9cf2-44bb-9874-3ba7f3d485dd/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pf.ko-main.cil.out.i[138616,138629] [2024-10-31 22:18:30,165 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:18:30,260 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:18:30,261 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:30 WrapperNode [2024-10-31 22:18:30,261 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:18:30,262 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:18:30,263 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:18:30,263 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:18:30,270 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:30" (1/1) ... [2024-10-31 22:18:30,344 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:30" (1/1) ... [2024-10-31 22:18:30,467 INFO L138 Inliner]: procedures = 161, calls = 1531, calls flagged for inlining = 53, calls inlined = 28, statements flattened = 1863 [2024-10-31 22:18:30,467 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:18:30,468 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:18:30,469 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:18:30,469 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:18:30,481 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:30" (1/1) ... [2024-10-31 22:18:30,481 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:30" (1/1) ... [2024-10-31 22:18:30,508 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:30" (1/1) ... [2024-10-31 22:18:30,632 INFO L175 MemorySlicer]: Split 1089 memory accesses to 22 slices as follows [2, 522, 1, 5, 6, 5, 37, 72, 24, 18, 3, 3, 8, 11, 10, 10, 6, 3, 13, 325, 2, 3]. 48 percent of accesses are in the largest equivalence class. The 793 initializations are split as follows [2, 512, 0, 5, 0, 5, 28, 0, 0, 18, 0, 0, 4, 11, 10, 10, 0, 3, 13, 172, 0, 0]. The 195 writes are split as follows [0, 0, 0, 0, 5, 0, 0, 72, 24, 0, 0, 0, 0, 0, 0, 0, 6, 0, 0, 84, 2, 2]. [2024-10-31 22:18:30,633 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:30" (1/1) ... [2024-10-31 22:18:30,633 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:30" (1/1) ... [2024-10-31 22:18:30,728 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:30" (1/1) ... [2024-10-31 22:18:30,741 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:30" (1/1) ... [2024-10-31 22:18:30,770 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:30" (1/1) ... [2024-10-31 22:18:30,785 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:30" (1/1) ... [2024-10-31 22:18:30,815 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:18:30,816 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:18:30,816 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:18:30,817 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:18:30,818 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:30" (1/1) ... [2024-10-31 22:18:30,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:18:30,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a3664e-9cf2-44bb-9874-3ba7f3d485dd/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:30,862 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a3664e-9cf2-44bb-9874-3ba7f3d485dd/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:18:30,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a3664e-9cf2-44bb-9874-3ba7f3d485dd/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:18:30,905 INFO L130 BoogieDeclarations]: Found specification of procedure pi_release [2024-10-31 22:18:30,905 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_release [2024-10-31 22:18:30,905 INFO L130 BoogieDeclarations]: Found specification of procedure pf_getgeo [2024-10-31 22:18:30,906 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_getgeo [2024-10-31 22:18:30,906 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2024-10-31 22:18:30,906 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2024-10-31 22:18:30,906 INFO L130 BoogieDeclarations]: Found specification of procedure pi_disconnect [2024-10-31 22:18:30,906 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_disconnect [2024-10-31 22:18:30,906 INFO L130 BoogieDeclarations]: Found specification of procedure status_reg [2024-10-31 22:18:30,906 INFO L138 BoogieDeclarations]: Found implementation of procedure status_reg [2024-10-31 22:18:30,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-10-31 22:18:30,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-10-31 22:18:30,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-10-31 22:18:30,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-10-31 22:18:30,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-10-31 22:18:30,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-10-31 22:18:30,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-10-31 22:18:30,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-10-31 22:18:30,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-10-31 22:18:30,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-10-31 22:18:30,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-10-31 22:18:30,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-10-31 22:18:30,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-10-31 22:18:30,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-10-31 22:18:30,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-10-31 22:18:30,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-10-31 22:18:30,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-10-31 22:18:30,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-10-31 22:18:30,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-10-31 22:18:30,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-10-31 22:18:30,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-10-31 22:18:30,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-10-31 22:18:30,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_pf_mutex [2024-10-31 22:18:30,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_pf_mutex [2024-10-31 22:18:30,911 INFO L130 BoogieDeclarations]: Found specification of procedure pf_reset [2024-10-31 22:18:30,912 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_reset [2024-10-31 22:18:30,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-10-31 22:18:30,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-10-31 22:18:30,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-10-31 22:18:30,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-10-31 22:18:30,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-10-31 22:18:30,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-10-31 22:18:30,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-10-31 22:18:30,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-10-31 22:18:30,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-10-31 22:18:30,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-10-31 22:18:30,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-10-31 22:18:30,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-10-31 22:18:30,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-10-31 22:18:30,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-10-31 22:18:30,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-10-31 22:18:30,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-10-31 22:18:30,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-10-31 22:18:30,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-10-31 22:18:30,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-10-31 22:18:30,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-10-31 22:18:30,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-10-31 22:18:30,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-10-31 22:18:30,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 22:18:30,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-31 22:18:30,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-31 22:18:30,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-31 22:18:30,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-31 22:18:30,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-31 22:18:30,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-31 22:18:30,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-31 22:18:30,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-31 22:18:30,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-31 22:18:30,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-31 22:18:30,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-31 22:18:30,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-10-31 22:18:30,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-10-31 22:18:30,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-10-31 22:18:30,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-10-31 22:18:30,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-10-31 22:18:30,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-10-31 22:18:30,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-10-31 22:18:30,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-10-31 22:18:30,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-10-31 22:18:30,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-10-31 22:18:30,918 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_block [2024-10-31 22:18:30,918 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_block [2024-10-31 22:18:30,918 INFO L130 BoogieDeclarations]: Found specification of procedure pf_wait [2024-10-31 22:18:30,918 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_wait [2024-10-31 22:18:30,918 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2024-10-31 22:18:30,918 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2024-10-31 22:18:30,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-10-31 22:18:30,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-10-31 22:18:30,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_pf_mutex [2024-10-31 22:18:30,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_pf_mutex [2024-10-31 22:18:30,920 INFO L130 BoogieDeclarations]: Found specification of procedure pf_check_events [2024-10-31 22:18:30,920 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_check_events [2024-10-31 22:18:30,921 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2024-10-31 22:18:30,921 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2024-10-31 22:18:30,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 22:18:30,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-31 22:18:30,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-31 22:18:30,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-31 22:18:30,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-31 22:18:30,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-31 22:18:30,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-31 22:18:30,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-31 22:18:30,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-31 22:18:30,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-31 22:18:30,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-31 22:18:30,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-31 22:18:30,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-10-31 22:18:30,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-10-31 22:18:30,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-10-31 22:18:30,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-10-31 22:18:30,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-10-31 22:18:30,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-10-31 22:18:30,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-10-31 22:18:30,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-10-31 22:18:30,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-10-31 22:18:30,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-10-31 22:18:30,924 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-10-31 22:18:30,924 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-10-31 22:18:30,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-10-31 22:18:30,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-10-31 22:18:30,925 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2024-10-31 22:18:30,926 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2024-10-31 22:18:30,926 INFO L130 BoogieDeclarations]: Found specification of procedure pf_req_sense [2024-10-31 22:18:30,926 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_req_sense [2024-10-31 22:18:30,926 INFO L130 BoogieDeclarations]: Found specification of procedure pf_completion [2024-10-31 22:18:30,926 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_completion [2024-10-31 22:18:30,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 22:18:30,926 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-10-31 22:18:30,926 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-10-31 22:18:30,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:18:30,927 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-10-31 22:18:30,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-10-31 22:18:30,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 22:18:30,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-31 22:18:30,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-31 22:18:30,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-31 22:18:30,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-31 22:18:30,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-31 22:18:30,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-31 22:18:30,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-31 22:18:30,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-31 22:18:30,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-31 22:18:30,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-10-31 22:18:30,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-10-31 22:18:30,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-10-31 22:18:30,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-10-31 22:18:30,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-10-31 22:18:30,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-10-31 22:18:30,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-10-31 22:18:30,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-10-31 22:18:30,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-10-31 22:18:30,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-10-31 22:18:30,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-10-31 22:18:30,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-10-31 22:18:30,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-10-31 22:18:30,933 INFO L130 BoogieDeclarations]: Found specification of procedure pf_atapi [2024-10-31 22:18:30,933 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_atapi [2024-10-31 22:18:30,933 INFO L130 BoogieDeclarations]: Found specification of procedure pf_command [2024-10-31 22:18:30,933 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_command [2024-10-31 22:18:30,933 INFO L130 BoogieDeclarations]: Found specification of procedure pf_probe [2024-10-31 22:18:30,933 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_probe [2024-10-31 22:18:30,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-31 22:18:30,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-31 22:18:30,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-31 22:18:30,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-31 22:18:30,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-31 22:18:30,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-31 22:18:30,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-31 22:18:30,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-31 22:18:30,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-31 22:18:30,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-10-31 22:18:30,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-10-31 22:18:30,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-10-31 22:18:30,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-10-31 22:18:30,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-10-31 22:18:30,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-10-31 22:18:30,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-10-31 22:18:30,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-10-31 22:18:30,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-10-31 22:18:30,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-10-31 22:18:30,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-10-31 22:18:30,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-10-31 22:18:30,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-10-31 22:18:30,937 INFO L130 BoogieDeclarations]: Found specification of procedure pf_identify [2024-10-31 22:18:30,937 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_identify [2024-10-31 22:18:30,937 INFO L130 BoogieDeclarations]: Found specification of procedure pf_sleep [2024-10-31 22:18:30,938 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_sleep [2024-10-31 22:18:30,938 INFO L130 BoogieDeclarations]: Found specification of procedure pf_mode_sense [2024-10-31 22:18:30,938 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_mode_sense [2024-10-31 22:18:30,938 INFO L130 BoogieDeclarations]: Found specification of procedure pi_write_block [2024-10-31 22:18:30,938 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_write_block [2024-10-31 22:18:30,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 22:18:30,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-31 22:18:30,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-31 22:18:30,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-31 22:18:30,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-31 22:18:30,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-31 22:18:30,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-31 22:18:30,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-31 22:18:30,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-10-31 22:18:30,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-10-31 22:18:30,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-10-31 22:18:30,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-10-31 22:18:30,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-10-31 22:18:30,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-10-31 22:18:30,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-10-31 22:18:30,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-10-31 22:18:30,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-10-31 22:18:30,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-10-31 22:18:30,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-10-31 22:18:30,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-10-31 22:18:30,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-10-31 22:18:30,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-10-31 22:18:30,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2024-10-31 22:18:30,943 INFO L130 BoogieDeclarations]: Found specification of procedure pi_init [2024-10-31 22:18:30,943 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_init [2024-10-31 22:18:30,943 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_regr [2024-10-31 22:18:30,943 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_regr [2024-10-31 22:18:30,943 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-10-31 22:18:30,944 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-10-31 22:18:30,944 INFO L130 BoogieDeclarations]: Found specification of procedure pi_connect [2024-10-31 22:18:30,944 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_connect [2024-10-31 22:18:30,944 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2024-10-31 22:18:30,944 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2024-10-31 22:18:30,944 INFO L130 BoogieDeclarations]: Found specification of procedure get_capacity [2024-10-31 22:18:30,944 INFO L138 BoogieDeclarations]: Found implementation of procedure get_capacity [2024-10-31 22:18:30,944 INFO L130 BoogieDeclarations]: Found specification of procedure pf_lock [2024-10-31 22:18:30,944 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_lock [2024-10-31 22:18:30,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:18:30,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-31 22:18:30,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-31 22:18:30,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-31 22:18:30,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-31 22:18:30,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-31 22:18:30,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-31 22:18:30,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-31 22:18:30,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-31 22:18:30,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-31 22:18:30,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-31 22:18:30,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-31 22:18:30,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-10-31 22:18:30,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-10-31 22:18:30,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-10-31 22:18:30,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-10-31 22:18:30,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-10-31 22:18:30,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-10-31 22:18:30,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-10-31 22:18:30,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-10-31 22:18:30,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-10-31 22:18:30,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-10-31 22:18:30,949 INFO L130 BoogieDeclarations]: Found specification of procedure xl [2024-10-31 22:18:30,949 INFO L138 BoogieDeclarations]: Found implementation of procedure xl [2024-10-31 22:18:30,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:18:30,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:18:30,950 INFO L130 BoogieDeclarations]: Found specification of procedure xs [2024-10-31 22:18:30,950 INFO L138 BoogieDeclarations]: Found implementation of procedure xs [2024-10-31 22:18:30,950 INFO L130 BoogieDeclarations]: Found specification of procedure pf_ioctl [2024-10-31 22:18:30,950 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_ioctl [2024-10-31 22:18:31,520 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:18:31,522 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:18:40,199 INFO L? ?]: Removed 415 outVars from TransFormulas that were not future-live. [2024-10-31 22:18:40,199 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:18:40,235 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:18:40,239 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-10-31 22:18:40,239 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:18:40 BoogieIcfgContainer [2024-10-31 22:18:40,240 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:18:40,241 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:18:40,242 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:18:40,246 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:18:40,247 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:18:28" (1/3) ... [2024-10-31 22:18:40,248 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7457babf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:18:40, skipping insertion in model container [2024-10-31 22:18:40,248 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:30" (2/3) ... [2024-10-31 22:18:40,248 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7457babf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:18:40, skipping insertion in model container [2024-10-31 22:18:40,248 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:18:40" (3/3) ... [2024-10-31 22:18:40,250 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pf.ko-main.cil.out.i [2024-10-31 22:18:40,269 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:18:40,269 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:18:40,381 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:18:40,389 INFO L333 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, 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;@19f9d176, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:18:40,392 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:18:40,400 INFO L276 IsEmpty]: Start isEmpty. Operand has 581 states, 415 states have (on average 1.3493975903614457) internal successors, (560), 429 states have internal predecessors, (560), 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) [2024-10-31 22:18:40,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-10-31 22:18:40,411 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:18:40,412 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:18:40,413 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:18:40,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:40,420 INFO L85 PathProgramCache]: Analyzing trace with hash 1454029286, now seen corresponding path program 1 times [2024-10-31 22:18:40,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:40,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725802313] [2024-10-31 22:18:40,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:40,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:42,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:42,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:18:42,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:18:42,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725802313] [2024-10-31 22:18:42,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725802313] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:18:42,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:18:42,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:18:42,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381604584] [2024-10-31 22:18:42,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:18:42,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:18:42,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:18:42,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:18:42,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:18:42,674 INFO L87 Difference]: Start difference. First operand has 581 states, 415 states have (on average 1.3493975903614457) internal successors, (560), 429 states have internal predecessors, (560), 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 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2024-10-31 22:18:43,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:18:43,100 INFO L93 Difference]: Finished difference Result 1610 states and 2315 transitions. [2024-10-31 22:18:43,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:18:43,105 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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 16 [2024-10-31 22:18:43,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:18:43,136 INFO L225 Difference]: With dead ends: 1610 [2024-10-31 22:18:43,136 INFO L226 Difference]: Without dead ends: 1024 [2024-10-31 22:18:43,148 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:18:43,152 INFO L432 NwaCegarLoop]: 1160 mSDtfsCounter, 628 mSDsluCounter, 764 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 628 SdHoareTripleChecker+Valid, 1924 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-31 22:18:43,153 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [628 Valid, 1924 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-31 22:18:43,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1024 states. [2024-10-31 22:18:43,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1024 to 1010. [2024-10-31 22:18:43,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1010 states, 724 states have (on average 1.3370165745856353) internal successors, (968), 737 states have internal predecessors, (968), 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) [2024-10-31 22:18:43,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1010 states to 1010 states and 1400 transitions. [2024-10-31 22:18:43,329 INFO L78 Accepts]: Start accepts. Automaton has 1010 states and 1400 transitions. Word has length 16 [2024-10-31 22:18:43,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:18:43,330 INFO L471 AbstractCegarLoop]: Abstraction has 1010 states and 1400 transitions. [2024-10-31 22:18:43,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2024-10-31 22:18:43,330 INFO L276 IsEmpty]: Start isEmpty. Operand 1010 states and 1400 transitions. [2024-10-31 22:18:43,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-10-31 22:18:43,332 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:18:43,332 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:18:43,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:18:43,333 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:18:43,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:43,333 INFO L85 PathProgramCache]: Analyzing trace with hash 983832029, now seen corresponding path program 1 times [2024-10-31 22:18:43,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:43,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099911057] [2024-10-31 22:18:43,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:43,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:44,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:44,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:18:44,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:18:44,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099911057] [2024-10-31 22:18:44,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099911057] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:18:44,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:18:44,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:18:44,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463938866] [2024-10-31 22:18:44,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:18:44,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:18:44,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:18:44,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:18:44,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:18:44,862 INFO L87 Difference]: Start difference. First operand 1010 states and 1400 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 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) [2024-10-31 22:18:44,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:18:44,950 INFO L93 Difference]: Finished difference Result 2017 states and 2797 transitions. [2024-10-31 22:18:44,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:18:44,950 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 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 18 [2024-10-31 22:18:44,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:18:44,963 INFO L225 Difference]: With dead ends: 2017 [2024-10-31 22:18:44,963 INFO L226 Difference]: Without dead ends: 1010 [2024-10-31 22:18:44,967 INFO L431 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 [2024-10-31 22:18:44,969 INFO L432 NwaCegarLoop]: 788 mSDtfsCounter, 779 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 779 SdHoareTripleChecker+Valid, 788 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:18:44,969 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [779 Valid, 788 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:18:44,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1010 states. [2024-10-31 22:18:45,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1010 to 1010. [2024-10-31 22:18:45,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1010 states, 724 states have (on average 1.3342541436464088) internal successors, (966), 737 states have internal predecessors, (966), 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) [2024-10-31 22:18:45,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1010 states to 1010 states and 1398 transitions. [2024-10-31 22:18:45,049 INFO L78 Accepts]: Start accepts. Automaton has 1010 states and 1398 transitions. Word has length 18 [2024-10-31 22:18:45,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:18:45,049 INFO L471 AbstractCegarLoop]: Abstraction has 1010 states and 1398 transitions. [2024-10-31 22:18:45,049 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 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) [2024-10-31 22:18:45,049 INFO L276 IsEmpty]: Start isEmpty. Operand 1010 states and 1398 transitions. [2024-10-31 22:18:45,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-10-31 22:18:45,050 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:18:45,051 INFO L215 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] [2024-10-31 22:18:45,051 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 22:18:45,051 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:18:45,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:45,052 INFO L85 PathProgramCache]: Analyzing trace with hash -909447033, now seen corresponding path program 1 times [2024-10-31 22:18:45,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:45,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259345478] [2024-10-31 22:18:45,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:45,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:46,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:46,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-31 22:18:46,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:46,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:18:46,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:18:46,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259345478] [2024-10-31 22:18:46,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259345478] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:18:46,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:18:46,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:18:46,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709926146] [2024-10-31 22:18:46,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:18:46,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:18:46,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:18:46,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:18:46,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:18:46,538 INFO L87 Difference]: Start difference. First operand 1010 states and 1398 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2024-10-31 22:18:50,610 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-31 22:18:50,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:18:50,832 INFO L93 Difference]: Finished difference Result 2423 states and 3344 transitions. [2024-10-31 22:18:50,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:18:50,833 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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 22 [2024-10-31 22:18:50,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:18:50,845 INFO L225 Difference]: With dead ends: 2423 [2024-10-31 22:18:50,845 INFO L226 Difference]: Without dead ends: 1416 [2024-10-31 22:18:50,854 INFO L431 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 [2024-10-31 22:18:50,857 INFO L432 NwaCegarLoop]: 1276 mSDtfsCounter, 745 mSDsluCounter, 547 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 745 SdHoareTripleChecker+Valid, 1823 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-10-31 22:18:50,857 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [745 Valid, 1823 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-10-31 22:18:50,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1416 states. [2024-10-31 22:18:50,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1416 to 1392. [2024-10-31 22:18:50,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1392 states, 993 states have (on average 1.3333333333333333) internal successors, (1324), 1010 states have internal predecessors, (1324), 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) [2024-10-31 22:18:50,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1392 states to 1392 states and 1918 transitions. [2024-10-31 22:18:50,996 INFO L78 Accepts]: Start accepts. Automaton has 1392 states and 1918 transitions. Word has length 22 [2024-10-31 22:18:50,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:18:50,997 INFO L471 AbstractCegarLoop]: Abstraction has 1392 states and 1918 transitions. [2024-10-31 22:18:50,997 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2024-10-31 22:18:50,997 INFO L276 IsEmpty]: Start isEmpty. Operand 1392 states and 1918 transitions. [2024-10-31 22:18:50,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-10-31 22:18:50,999 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:18:50,999 INFO L215 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] [2024-10-31 22:18:50,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 22:18:51,000 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:18:51,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:51,001 INFO L85 PathProgramCache]: Analyzing trace with hash -428234540, now seen corresponding path program 1 times [2024-10-31 22:18:51,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:51,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219957689] [2024-10-31 22:18:51,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:51,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:51,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:52,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-31 22:18:52,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:52,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:18:52,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:18:52,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219957689] [2024-10-31 22:18:52,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219957689] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:18:52,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:18:52,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:18:52,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167043293] [2024-10-31 22:18:52,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:18:52,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:18:52,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:18:52,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:18:52,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:18:52,316 INFO L87 Difference]: Start difference. First operand 1392 states and 1918 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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) [2024-10-31 22:18:52,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:18:52,479 INFO L93 Difference]: Finished difference Result 2799 states and 3861 transitions. [2024-10-31 22:18:52,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:18:52,480 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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 30 [2024-10-31 22:18:52,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:18:52,489 INFO L225 Difference]: With dead ends: 2799 [2024-10-31 22:18:52,490 INFO L226 Difference]: Without dead ends: 1410 [2024-10-31 22:18:52,496 INFO L431 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 [2024-10-31 22:18:52,497 INFO L432 NwaCegarLoop]: 784 mSDtfsCounter, 12 mSDsluCounter, 781 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 1565 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:18:52,497 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 1565 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:18:52,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1410 states. [2024-10-31 22:18:52,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1410 to 1394. [2024-10-31 22:18:52,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1394 states, 995 states have (on average 1.3326633165829145) internal successors, (1326), 1012 states have internal predecessors, (1326), 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) [2024-10-31 22:18:52,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1394 states to 1394 states and 1920 transitions. [2024-10-31 22:18:52,616 INFO L78 Accepts]: Start accepts. Automaton has 1394 states and 1920 transitions. Word has length 30 [2024-10-31 22:18:52,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:18:52,616 INFO L471 AbstractCegarLoop]: Abstraction has 1394 states and 1920 transitions. [2024-10-31 22:18:52,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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) [2024-10-31 22:18:52,617 INFO L276 IsEmpty]: Start isEmpty. Operand 1394 states and 1920 transitions. [2024-10-31 22:18:52,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-10-31 22:18:52,618 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:18:52,618 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:18:52,618 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-31 22:18:52,619 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:18:52,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:52,620 INFO L85 PathProgramCache]: Analyzing trace with hash -2061059013, now seen corresponding path program 1 times [2024-10-31 22:18:52,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:52,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962478110] [2024-10-31 22:18:52,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:52,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:53,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:54,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-31 22:18:54,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:54,190 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:18:54,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:18:54,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962478110] [2024-10-31 22:18:54,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962478110] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:18:54,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [448243391] [2024-10-31 22:18:54,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:54,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:18:54,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a3664e-9cf2-44bb-9874-3ba7f3d485dd/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:54,194 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a3664e-9cf2-44bb-9874-3ba7f3d485dd/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:18:54,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a3664e-9cf2-44bb-9874-3ba7f3d485dd/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-31 22:18:55,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:55,994 INFO L255 TraceCheckSpWp]: Trace formula consists of 2939 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 22:18:56,001 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:18:56,042 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-31 22:18:56,042 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:18:56,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [448243391] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:18:56,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-31 22:18:56,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-10-31 22:18:56,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147642145] [2024-10-31 22:18:56,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:18:56,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:18:56,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:18:56,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:18:56,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:18:56,045 INFO L87 Difference]: Start difference. First operand 1394 states and 1920 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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) [2024-10-31 22:18:56,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:18:56,190 INFO L93 Difference]: Finished difference Result 2823 states and 3897 transitions. [2024-10-31 22:18:56,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:18:56,191 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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 34 [2024-10-31 22:18:56,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:18:56,202 INFO L225 Difference]: With dead ends: 2823 [2024-10-31 22:18:56,202 INFO L226 Difference]: Without dead ends: 1432 [2024-10-31 22:18:56,208 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:18:56,209 INFO L432 NwaCegarLoop]: 799 mSDtfsCounter, 16 mSDsluCounter, 781 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 1580 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:18:56,210 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 1580 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:18:56,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1432 states. [2024-10-31 22:18:56,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1432 to 1398. [2024-10-31 22:18:56,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1398 states, 999 states have (on average 1.3313313313313313) internal successors, (1330), 1016 states have internal predecessors, (1330), 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) [2024-10-31 22:18:56,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1398 states to 1398 states and 1924 transitions. [2024-10-31 22:18:56,287 INFO L78 Accepts]: Start accepts. Automaton has 1398 states and 1924 transitions. Word has length 34 [2024-10-31 22:18:56,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:18:56,288 INFO L471 AbstractCegarLoop]: Abstraction has 1398 states and 1924 transitions. [2024-10-31 22:18:56,288 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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) [2024-10-31 22:18:56,288 INFO L276 IsEmpty]: Start isEmpty. Operand 1398 states and 1924 transitions. [2024-10-31 22:18:56,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-10-31 22:18:56,290 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:18:56,290 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:18:56,317 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a3664e-9cf2-44bb-9874-3ba7f3d485dd/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-31 22:18:56,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a3664e-9cf2-44bb-9874-3ba7f3d485dd/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:18:56,491 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:18:56,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:56,491 INFO L85 PathProgramCache]: Analyzing trace with hash -394368894, now seen corresponding path program 1 times [2024-10-31 22:18:56,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:56,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210621635] [2024-10-31 22:18:56,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:56,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:57,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:57,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-31 22:18:57,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:57,792 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-31 22:18:57,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:18:57,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210621635] [2024-10-31 22:18:57,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210621635] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:18:57,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1357747601] [2024-10-31 22:18:57,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:57,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:18:57,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a3664e-9cf2-44bb-9874-3ba7f3d485dd/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:57,799 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a3664e-9cf2-44bb-9874-3ba7f3d485dd/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:18:57,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a3664e-9cf2-44bb-9874-3ba7f3d485dd/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process