./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--agp--amd64-agp.ko-entry_point.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_cdffb13d-d613-430a-a740-09400191dfbf/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdffb13d-d613-430a-a740-09400191dfbf/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_cdffb13d-d613-430a-a740-09400191dfbf/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdffb13d-d613-430a-a740-09400191dfbf/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--agp--amd64-agp.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdffb13d-d613-430a-a740-09400191dfbf/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_cdffb13d-d613-430a-a740-09400191dfbf/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 e3ad79c73c7c36539d3c26bfe8df446634cd4736d8e3f680a88d06ab7ac88dc6 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:09:48,668 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:09:48,774 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdffb13d-d613-430a-a740-09400191dfbf/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-31 22:09:48,781 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:09:48,784 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:09:48,821 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:09:48,822 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:09:48,823 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:09:48,824 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:09:48,825 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:09:48,826 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:09:48,826 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:09:48,827 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:09:48,828 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:09:48,830 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:09:48,831 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:09:48,831 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:09:48,832 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:09:48,832 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:09:48,836 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:09:48,837 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:09:48,837 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:09:48,838 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:09:48,838 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:09:48,838 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:09:48,839 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:09:48,839 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:09:48,839 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:09:48,840 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:09:48,840 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:09:48,840 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:09:48,841 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:09:48,841 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:09:48,842 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:09:48,843 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:09:48,844 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:09:48,844 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:09:48,844 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:09:48,845 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:09:48,845 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_cdffb13d-d613-430a-a740-09400191dfbf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdffb13d-d613-430a-a740-09400191dfbf/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e3ad79c73c7c36539d3c26bfe8df446634cd4736d8e3f680a88d06ab7ac88dc6 [2024-10-31 22:09:49,158 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:09:49,193 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:09:49,196 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:09:49,199 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:09:49,199 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:09:49,201 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdffb13d-d613-430a-a740-09400191dfbf/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--agp--amd64-agp.ko-entry_point.cil.out.i Unable to find full path for "g++" [2024-10-31 22:09:51,577 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:09:52,031 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:09:52,031 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdffb13d-d613-430a-a740-09400191dfbf/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--agp--amd64-agp.ko-entry_point.cil.out.i [2024-10-31 22:09:52,072 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdffb13d-d613-430a-a740-09400191dfbf/bin/uautomizer-verify-4GaUIPS5ZU/data/1a31b79a0/262d5134e0424c14b8a0638ff8e7734d/FLAG26a141b74 [2024-10-31 22:09:52,156 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdffb13d-d613-430a-a740-09400191dfbf/bin/uautomizer-verify-4GaUIPS5ZU/data/1a31b79a0/262d5134e0424c14b8a0638ff8e7734d [2024-10-31 22:09:52,159 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:09:52,161 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:09:52,162 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:09:52,163 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:09:52,169 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:09:52,170 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:09:52" (1/1) ... [2024-10-31 22:09:52,171 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63247464 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:52, skipping insertion in model container [2024-10-31 22:09:52,172 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:09:52" (1/1) ... [2024-10-31 22:09:52,260 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:09:53,299 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_cdffb13d-d613-430a-a740-09400191dfbf/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--agp--amd64-agp.ko-entry_point.cil.out.i[118202,118215] [2024-10-31 22:09:53,350 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:09:53,390 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:09:53,519 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("661:\n\tcall __sw_hweight32\n662:\n.skip -(((6651f-6641f)-(662b-661b)) > 0) * ((6651f-6641f)-(662b-661b)),0x90\n663:\n.pushsection .altinstructions,\"a\"\n .long 661b - .\n .long 6641f - .\n .word ( 4*32+23)\n .byte 663b-661b\n .byte 6651f-6641f\n .byte 663b-662b\n.popsection\n.pushsection .altinstr_replacement, \"ax\"\n6641:\n\t.byte 0xf3,0x40,0x0f,0xb8,0xc7\n6651:\n\t.popsection": "=a" (res): "D" (w)); [2708] [2024-10-31 22:09:53,522 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [2733] [2024-10-31 22:09:53,523 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [2740] [2024-10-31 22:09:53,710 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/9551/dscv_tempdir/dscv/ri/08_1a/drivers/char/agp/amd64-agp.c"), "i" (85), "i" (12UL)); [3109-3110] [2024-10-31 22:09:53,833 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_cdffb13d-d613-430a-a740-09400191dfbf/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--agp--amd64-agp.ko-entry_point.cil.out.i[118202,118215] [2024-10-31 22:09:53,853 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:09:53,956 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:09:53,957 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:53 WrapperNode [2024-10-31 22:09:53,957 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:09:53,958 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:09:53,958 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:09:53,958 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:09:53,967 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:53" (1/1) ... [2024-10-31 22:09:54,033 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:53" (1/1) ... [2024-10-31 22:09:54,155 INFO L138 Inliner]: procedures = 142, calls = 804, calls flagged for inlining = 74, calls inlined = 71, statements flattened = 2327 [2024-10-31 22:09:54,156 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:09:54,157 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:09:54,157 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:09:54,157 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:09:54,169 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:53" (1/1) ... [2024-10-31 22:09:54,170 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:53" (1/1) ... [2024-10-31 22:09:54,195 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:53" (1/1) ... [2024-10-31 22:09:54,413 INFO L175 MemorySlicer]: Split 450 memory accesses to 12 slices as follows [7, 2, 6, 30, 23, 44, 295, 1, 21, 2, 4, 15]. 66 percent of accesses are in the largest equivalence class. The 37 initializations are split as follows [0, 2, 0, 0, 0, 0, 14, 0, 21, 0, 0, 0]. The 301 writes are split as follows [2, 0, 0, 29, 21, 44, 202, 0, 0, 1, 0, 2]. [2024-10-31 22:09:54,413 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:53" (1/1) ... [2024-10-31 22:09:54,414 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:53" (1/1) ... [2024-10-31 22:09:54,483 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:53" (1/1) ... [2024-10-31 22:09:54,494 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:53" (1/1) ... [2024-10-31 22:09:54,504 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:53" (1/1) ... [2024-10-31 22:09:54,513 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:53" (1/1) ... [2024-10-31 22:09:54,533 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:09:54,534 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:09:54,534 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:09:54,534 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:09:54,535 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:53" (1/1) ... [2024-10-31 22:09:54,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:09:54,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdffb13d-d613-430a-a740-09400191dfbf/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:09:54,575 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdffb13d-d613-430a-a740-09400191dfbf/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:09:54,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdffb13d-d613-430a-a740-09400191dfbf/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:09:54,611 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2024-10-31 22:09:54,612 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2024-10-31 22:09:54,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-10-31 22:09:54,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-10-31 22:09:54,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-10-31 22:09:54,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-10-31 22:09:54,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-10-31 22:09:54,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-10-31 22:09:54,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-10-31 22:09:54,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-10-31 22:09:54,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-10-31 22:09:54,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-10-31 22:09:54,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-10-31 22:09:54,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-10-31 22:09:54,616 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-10-31 22:09:54,616 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-10-31 22:09:54,616 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2024-10-31 22:09:54,617 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2024-10-31 22:09:54,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_1 [2024-10-31 22:09:54,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_1 [2024-10-31 22:09:54,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-10-31 22:09:54,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-10-31 22:09:54,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-10-31 22:09:54,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-10-31 22:09:54,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-10-31 22:09:54,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-10-31 22:09:54,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-10-31 22:09:54,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-10-31 22:09:54,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-10-31 22:09:54,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-10-31 22:09:54,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-10-31 22:09:54,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-10-31 22:09:54,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-10-31 22:09:54,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-10-31 22:09:54,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 22:09:54,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-31 22:09:54,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-31 22:09:54,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-31 22:09:54,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-31 22:09:54,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-31 22:09:54,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-31 22:09:54,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-31 22:09:54,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-31 22:09:54,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-31 22:09:54,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-31 22:09:54,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-31 22:09:54,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-10-31 22:09:54,621 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-10-31 22:09:54,621 INFO L130 BoogieDeclarations]: Found specification of procedure node_to_amd_nb [2024-10-31 22:09:54,622 INFO L138 BoogieDeclarations]: Found implementation of procedure node_to_amd_nb [2024-10-31 22:09:54,622 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_mask_memory [2024-10-31 22:09:54,622 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_mask_memory [2024-10-31 22:09:54,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-10-31 22:09:54,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-10-31 22:09:54,622 INFO L130 BoogieDeclarations]: Found specification of procedure amd_nb_num [2024-10-31 22:09:54,622 INFO L138 BoogieDeclarations]: Found implementation of procedure amd_nb_num [2024-10-31 22:09:54,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 22:09:54,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-31 22:09:54,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-31 22:09:54,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-31 22:09:54,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-31 22:09:54,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-31 22:09:54,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-31 22:09:54,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-31 22:09:54,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-31 22:09:54,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-31 22:09:54,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-31 22:09:54,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-31 22:09:54,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-10-31 22:09:54,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-10-31 22:09:54,625 INFO L130 BoogieDeclarations]: Found specification of procedure agp_amd64_resume [2024-10-31 22:09:54,626 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_amd64_resume [2024-10-31 22:09:54,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-10-31 22:09:54,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-10-31 22:09:54,627 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:09:54,627 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:09:54,627 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2024-10-31 22:09:54,627 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2024-10-31 22:09:54,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 22:09:54,628 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_put [2024-10-31 22:09:54,628 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_put [2024-10-31 22:09:54,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-10-31 22:09:54,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-10-31 22:09:54,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:09:54,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 22:09:54,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-31 22:09:54,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-31 22:09:54,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-31 22:09:54,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-31 22:09:54,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-31 22:09:54,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-31 22:09:54,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-31 22:09:54,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-31 22:09:54,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-31 22:09:54,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-10-31 22:09:54,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-10-31 22:09:54,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-10-31 22:09:54,631 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_type_to_mask_type [2024-10-31 22:09:54,631 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_type_to_mask_type [2024-10-31 22:09:54,631 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2024-10-31 22:09:54,632 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2024-10-31 22:09:54,632 INFO L130 BoogieDeclarations]: Found specification of procedure amd_8151_configure [2024-10-31 22:09:54,632 INFO L138 BoogieDeclarations]: Found implementation of procedure amd_8151_configure [2024-10-31 22:09:54,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-31 22:09:54,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-31 22:09:54,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-31 22:09:54,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-31 22:09:54,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-31 22:09:54,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-31 22:09:54,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-31 22:09:54,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-31 22:09:54,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-31 22:09:54,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-10-31 22:09:54,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-10-31 22:09:54,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-10-31 22:09:54,635 INFO L130 BoogieDeclarations]: Found specification of procedure nforce3_agp_init [2024-10-31 22:09:54,635 INFO L138 BoogieDeclarations]: Found implementation of procedure nforce3_agp_init [2024-10-31 22:09:54,635 INFO L130 BoogieDeclarations]: Found specification of procedure amd_nb_has_feature [2024-10-31 22:09:54,636 INFO L138 BoogieDeclarations]: Found implementation of procedure amd_nb_has_feature [2024-10-31 22:09:54,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_1 [2024-10-31 22:09:54,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_1 [2024-10-31 22:09:54,636 INFO L130 BoogieDeclarations]: Found specification of procedure global_cache_flush [2024-10-31 22:09:54,636 INFO L138 BoogieDeclarations]: Found implementation of procedure global_cache_flush [2024-10-31 22:09:54,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 22:09:54,637 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2024-10-31 22:09:54,637 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2024-10-31 22:09:54,637 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-10-31 22:09:54,637 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-10-31 22:09:54,637 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-10-31 22:09:54,637 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-10-31 22:09:54,638 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2024-10-31 22:09:54,638 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2024-10-31 22:09:54,638 INFO L130 BoogieDeclarations]: Found specification of procedure agp_put_bridge [2024-10-31 22:09:54,638 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_put_bridge [2024-10-31 22:09:54,638 INFO L130 BoogieDeclarations]: Found specification of procedure amd_flush_garts [2024-10-31 22:09:54,638 INFO L138 BoogieDeclarations]: Found implementation of procedure amd_flush_garts [2024-10-31 22:09:54,638 INFO L130 BoogieDeclarations]: Found specification of procedure amd64_fetch_size [2024-10-31 22:09:54,638 INFO L138 BoogieDeclarations]: Found implementation of procedure amd64_fetch_size [2024-10-31 22:09:54,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:09:54,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-31 22:09:54,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-31 22:09:54,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-31 22:09:54,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-31 22:09:54,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-31 22:09:54,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-31 22:09:54,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-31 22:09:54,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-31 22:09:54,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-31 22:09:54,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-31 22:09:54,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-31 22:09:54,643 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_slot [2024-10-31 22:09:54,643 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_slot [2024-10-31 22:09:54,643 INFO L130 BoogieDeclarations]: Found specification of procedure agp_amd64_remove [2024-10-31 22:09:54,643 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_amd64_remove [2024-10-31 22:09:54,643 INFO L130 BoogieDeclarations]: Found specification of procedure amd64_tlbflush [2024-10-31 22:09:54,643 INFO L138 BoogieDeclarations]: Found implementation of procedure amd64_tlbflush [2024-10-31 22:09:54,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:09:54,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:09:54,643 INFO L130 BoogieDeclarations]: Found specification of procedure agp_aperture_valid [2024-10-31 22:09:54,643 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_aperture_valid [2024-10-31 22:09:55,201 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:09:55,204 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:09:55,287 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-10-31 22:10:06,019 INFO L? ?]: Removed 820 outVars from TransFormulas that were not future-live. [2024-10-31 22:10:06,020 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:10:06,072 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:10:06,072 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-31 22:10:06,073 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:10:06 BoogieIcfgContainer [2024-10-31 22:10:06,073 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:10:06,077 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:10:06,077 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:10:06,082 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:10:06,082 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:09:52" (1/3) ... [2024-10-31 22:10:06,084 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@166414b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:10:06, skipping insertion in model container [2024-10-31 22:10:06,084 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:53" (2/3) ... [2024-10-31 22:10:06,084 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@166414b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:10:06, skipping insertion in model container [2024-10-31 22:10:06,085 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:10:06" (3/3) ... [2024-10-31 22:10:06,090 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--char--agp--amd64-agp.ko-entry_point.cil.out.i [2024-10-31 22:10:06,115 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:10:06,115 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:10:06,249 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:10:06,261 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;@7bceaf31, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:10:06,263 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:10:06,274 INFO L276 IsEmpty]: Start isEmpty. Operand has 702 states, 525 states have (on average 1.3676190476190475) internal successors, (718), 531 states have internal predecessors, (718), 141 states have call successors, (141), 35 states have call predecessors, (141), 34 states have return successors, (137), 137 states have call predecessors, (137), 137 states have call successors, (137) [2024-10-31 22:10:06,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-10-31 22:10:06,297 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:10:06,299 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:10:06,299 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:10:06,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:10:06,307 INFO L85 PathProgramCache]: Analyzing trace with hash -1202376666, now seen corresponding path program 1 times [2024-10-31 22:10:06,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:10:06,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771667253] [2024-10-31 22:10:06,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:10:06,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:10:18,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:19,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 22:10:19,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:19,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-31 22:10:19,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:19,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-31 22:10:19,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:19,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-31 22:10:19,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:19,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-31 22:10:19,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:19,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-31 22:10:19,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:19,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-31 22:10:19,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:19,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-31 22:10:19,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:19,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-31 22:10:19,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:19,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-31 22:10:19,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:19,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-31 22:10:19,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:19,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-31 22:10:19,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:20,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-31 22:10:20,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:20,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-31 22:10:20,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:20,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-31 22:10:20,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:20,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-31 22:10:20,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:20,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-31 22:10:20,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:20,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-31 22:10:20,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:20,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-31 22:10:20,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:20,129 INFO L134 CoverageAnalysis]: Checked inductivity of 404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2024-10-31 22:10:20,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:10:20,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771667253] [2024-10-31 22:10:20,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771667253] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:10:20,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:10:20,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:10:20,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838995295] [2024-10-31 22:10:20,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:10:20,141 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 22:10:20,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:10:20,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 22:10:20,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:10:20,188 INFO L87 Difference]: Start difference. First operand has 702 states, 525 states have (on average 1.3676190476190475) internal successors, (718), 531 states have internal predecessors, (718), 141 states have call successors, (141), 35 states have call predecessors, (141), 34 states have return successors, (137), 137 states have call predecessors, (137), 137 states have call successors, (137) Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17)