./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--pg.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 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_5035a1b6-1932-4c69-a55d-05ea4d626c1e/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5035a1b6-1932-4c69-a55d-05ea4d626c1e/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5035a1b6-1932-4c69-a55d-05ea4d626c1e/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5035a1b6-1932-4c69-a55d-05ea4d626c1e/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5035a1b6-1932-4c69-a55d-05ea4d626c1e/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5035a1b6-1932-4c69-a55d-05ea4d626c1e/bin/uautomizer-verify-bycVGegfSx --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 410663f06ff647e412b04b4e33dc5a0aa773139e9be33f59003b35b6e81927a8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 21:01:31,618 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 21:01:31,725 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5035a1b6-1932-4c69-a55d-05ea4d626c1e/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-21 21:01:31,735 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 21:01:31,735 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 21:01:31,780 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 21:01:31,781 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 21:01:31,781 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 21:01:31,782 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 21:01:31,787 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 21:01:31,788 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 21:01:31,788 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 21:01:31,789 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 21:01:31,791 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 21:01:31,791 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 21:01:31,792 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 21:01:31,792 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 21:01:31,793 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 21:01:31,793 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 21:01:31,793 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 21:01:31,794 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 21:01:31,794 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 21:01:31,795 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 21:01:31,795 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 21:01:31,796 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 21:01:31,796 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 21:01:31,797 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 21:01:31,797 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 21:01:31,798 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 21:01:31,798 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 21:01:31,799 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 21:01:31,800 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 21:01:31,800 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 21:01:31,800 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 21:01:31,800 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 21:01:31,801 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 21:01:31,801 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 21:01:31,801 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 21:01:31,801 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 21:01:31,802 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_5035a1b6-1932-4c69-a55d-05ea4d626c1e/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5035a1b6-1932-4c69-a55d-05ea4d626c1e/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 410663f06ff647e412b04b4e33dc5a0aa773139e9be33f59003b35b6e81927a8 [2023-11-21 21:01:32,174 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 21:01:32,208 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 21:01:32,211 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 21:01:32,213 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 21:01:32,213 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 21:01:32,215 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5035a1b6-1932-4c69-a55d-05ea4d626c1e/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i [2023-11-21 21:01:35,693 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 21:01:36,203 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 21:01:36,204 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5035a1b6-1932-4c69-a55d-05ea4d626c1e/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i [2023-11-21 21:01:36,232 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5035a1b6-1932-4c69-a55d-05ea4d626c1e/bin/uautomizer-verify-bycVGegfSx/data/a6bd589d8/de971ba9fd4149bc8255459acefb7f6f/FLAGb09513c71 [2023-11-21 21:01:36,246 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5035a1b6-1932-4c69-a55d-05ea4d626c1e/bin/uautomizer-verify-bycVGegfSx/data/a6bd589d8/de971ba9fd4149bc8255459acefb7f6f [2023-11-21 21:01:36,249 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 21:01:36,250 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 21:01:36,252 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 21:01:36,252 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 21:01:36,257 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 21:01:36,258 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:01:36" (1/1) ... [2023-11-21 21:01:36,259 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@487a79eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:01:36, skipping insertion in model container [2023-11-21 21:01:36,259 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:01:36" (1/1) ... [2023-11-21 21:01:36,375 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 21:01:37,355 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5035a1b6-1932-4c69-a55d-05ea4d626c1e/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i[108133,108146] [2023-11-21 21:01:37,480 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 21:01:37,571 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 21:01:37,691 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [2808] [2023-11-21 21:01:37,693 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [2815-2816] [2023-11-21 21:01:37,841 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5035a1b6-1932-4c69-a55d-05ea4d626c1e/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i[108133,108146] [2023-11-21 21:01:37,866 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 21:01:37,928 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 21:01:37,938 INFO L206 MainTranslator]: Completed translation [2023-11-21 21:01:37,938 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:01:37 WrapperNode [2023-11-21 21:01:37,939 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 21:01:37,940 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 21:01:37,941 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 21:01:37,942 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 21:01:37,951 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:01:37" (1/1) ... [2023-11-21 21:01:38,019 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:01:37" (1/1) ... [2023-11-21 21:01:38,136 INFO L138 Inliner]: procedures = 131, calls = 541, calls flagged for inlining = 49, calls inlined = 41, statements flattened = 1270 [2023-11-21 21:01:38,137 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 21:01:38,138 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 21:01:38,138 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 21:01:38,138 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 21:01:38,151 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:01:37" (1/1) ... [2023-11-21 21:01:38,151 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:01:37" (1/1) ... [2023-11-21 21:01:38,166 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:01:37" (1/1) ... [2023-11-21 21:01:38,278 INFO L187 HeapSplitter]: Split 255 memory accesses to 22 slices as follows [2, 3, 3, 1, 5, 2, 6, 32, 1, 6, 3, 27, 91, 14, 0, 11, 2, 22, 13, 1, 5, 5] [2023-11-21 21:01:38,278 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:01:37" (1/1) ... [2023-11-21 21:01:38,278 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:01:37" (1/1) ... [2023-11-21 21:01:38,336 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:01:37" (1/1) ... [2023-11-21 21:01:38,346 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:01:37" (1/1) ... [2023-11-21 21:01:38,362 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:01:37" (1/1) ... [2023-11-21 21:01:38,375 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:01:37" (1/1) ... [2023-11-21 21:01:38,405 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 21:01:38,410 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 21:01:38,415 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 21:01:38,415 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 21:01:38,416 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:01:37" (1/1) ... [2023-11-21 21:01:38,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 21:01:38,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5035a1b6-1932-4c69-a55d-05ea4d626c1e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:01:38,458 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5035a1b6-1932-4c69-a55d-05ea4d626c1e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 21:01:38,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5035a1b6-1932-4c69-a55d-05ea4d626c1e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 21:01:38,513 INFO L130 BoogieDeclarations]: Found specification of procedure pi_release [2023-11-21 21:01:38,513 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_release [2023-11-21 21:01:38,514 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2023-11-21 21:01:38,514 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2023-11-21 21:01:38,514 INFO L130 BoogieDeclarations]: Found specification of procedure pi_disconnect [2023-11-21 21:01:38,514 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_disconnect [2023-11-21 21:01:38,514 INFO L130 BoogieDeclarations]: Found specification of procedure status_reg [2023-11-21 21:01:38,516 INFO L138 BoogieDeclarations]: Found implementation of procedure status_reg [2023-11-21 21:01:38,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-21 21:01:38,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-21 21:01:38,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-21 21:01:38,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-21 21:01:38,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-21 21:01:38,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-21 21:01:38,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-21 21:01:38,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-21 21:01:38,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-11-21 21:01:38,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-11-21 21:01:38,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-11-21 21:01:38,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2023-11-21 21:01:38,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2023-11-21 21:01:38,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2023-11-21 21:01:38,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2023-11-21 21:01:38,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2023-11-21 21:01:38,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2023-11-21 21:01:38,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2023-11-21 21:01:38,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2023-11-21 21:01:38,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2023-11-21 21:01:38,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2023-11-21 21:01:38,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2023-11-21 21:01:38,523 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2023-11-21 21:01:38,523 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2023-11-21 21:01:38,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-21 21:01:38,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-21 21:01:38,524 INFO L130 BoogieDeclarations]: Found specification of procedure pg_sleep [2023-11-21 21:01:38,524 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_sleep [2023-11-21 21:01:38,524 INFO L130 BoogieDeclarations]: Found specification of procedure pg_completion [2023-11-21 21:01:38,524 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_completion [2023-11-21 21:01:38,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-21 21:01:38,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-21 21:01:38,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-21 21:01:38,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-21 21:01:38,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-21 21:01:38,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-21 21:01:38,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-21 21:01:38,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-21 21:01:38,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-11-21 21:01:38,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-11-21 21:01:38,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-11-21 21:01:38,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2023-11-21 21:01:38,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2023-11-21 21:01:38,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2023-11-21 21:01:38,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2023-11-21 21:01:38,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2023-11-21 21:01:38,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2023-11-21 21:01:38,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2023-11-21 21:01:38,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2023-11-21 21:01:38,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2023-11-21 21:01:38,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2023-11-21 21:01:38,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2023-11-21 21:01:38,528 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-21 21:01:38,529 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-21 21:01:38,530 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-21 21:01:38,530 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-21 21:01:38,531 INFO L130 BoogieDeclarations]: Found specification of procedure pg_wait [2023-11-21 21:01:38,531 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_wait [2023-11-21 21:01:38,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-21 21:01:38,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-21 21:01:38,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-21 21:01:38,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-21 21:01:38,532 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-21 21:01:38,532 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-21 21:01:38,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 21:01:38,533 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-11-21 21:01:38,533 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-11-21 21:01:38,533 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-21 21:01:38,534 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-21 21:01:38,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 21:01:38,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_11 [2023-11-21 21:01:38,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_11 [2023-11-21 21:01:38,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 21:01:38,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-21 21:01:38,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-21 21:01:38,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-21 21:01:38,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-21 21:01:38,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2023-11-21 21:01:38,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2023-11-21 21:01:38,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2023-11-21 21:01:38,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2023-11-21 21:01:38,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2023-11-21 21:01:38,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2023-11-21 21:01:38,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2023-11-21 21:01:38,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2023-11-21 21:01:38,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2023-11-21 21:01:38,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2023-11-21 21:01:38,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2023-11-21 21:01:38,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2023-11-21 21:01:38,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2023-11-21 21:01:38,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2023-11-21 21:01:38,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2023-11-21 21:01:38,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2023-11-21 21:01:38,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2023-11-21 21:01:38,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2023-11-21 21:01:38,539 INFO L130 BoogieDeclarations]: Found specification of procedure DRIVE [2023-11-21 21:01:38,539 INFO L138 BoogieDeclarations]: Found implementation of procedure DRIVE [2023-11-21 21:01:38,540 INFO L130 BoogieDeclarations]: Found specification of procedure pg_write [2023-11-21 21:01:38,540 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_write [2023-11-21 21:01:38,540 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-21 21:01:38,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-21 21:01:38,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-21 21:01:38,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-21 21:01:38,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-21 21:01:38,542 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2023-11-21 21:01:38,542 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2023-11-21 21:01:38,542 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2023-11-21 21:01:38,542 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2023-11-21 21:01:38,542 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2023-11-21 21:01:38,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2023-11-21 21:01:38,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2023-11-21 21:01:38,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2023-11-21 21:01:38,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2023-11-21 21:01:38,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2023-11-21 21:01:38,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2023-11-21 21:01:38,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2023-11-21 21:01:38,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2023-11-21 21:01:38,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2023-11-21 21:01:38,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2023-11-21 21:01:38,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2023-11-21 21:01:38,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2023-11-21 21:01:38,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2023-11-21 21:01:38,545 INFO L130 BoogieDeclarations]: Found specification of procedure pg_reset [2023-11-21 21:01:38,545 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_reset [2023-11-21 21:01:38,546 INFO L130 BoogieDeclarations]: Found specification of procedure pg_identify [2023-11-21 21:01:38,546 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_identify [2023-11-21 21:01:38,547 INFO L130 BoogieDeclarations]: Found specification of procedure pi_write_block [2023-11-21 21:01:38,547 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_write_block [2023-11-21 21:01:38,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 21:01:38,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-21 21:01:38,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-21 21:01:38,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2023-11-21 21:01:38,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2023-11-21 21:01:38,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2023-11-21 21:01:38,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2023-11-21 21:01:38,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2023-11-21 21:01:38,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2023-11-21 21:01:38,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2023-11-21 21:01:38,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2023-11-21 21:01:38,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2023-11-21 21:01:38,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2023-11-21 21:01:38,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2023-11-21 21:01:38,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2023-11-21 21:01:38,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2023-11-21 21:01:38,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2023-11-21 21:01:38,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2023-11-21 21:01:38,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2023-11-21 21:01:38,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2023-11-21 21:01:38,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2023-11-21 21:01:38,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2023-11-21 21:01:38,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2023-11-21 21:01:38,607 INFO L130 BoogieDeclarations]: Found specification of procedure pi_init [2023-11-21 21:01:38,607 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_init [2023-11-21 21:01:38,607 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_regr [2023-11-21 21:01:38,607 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_regr [2023-11-21 21:01:38,607 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-11-21 21:01:38,607 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-11-21 21:01:38,607 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-21 21:01:38,608 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-21 21:01:38,608 INFO L130 BoogieDeclarations]: Found specification of procedure pg_probe [2023-11-21 21:01:38,608 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_probe [2023-11-21 21:01:38,608 INFO L130 BoogieDeclarations]: Found specification of procedure pi_connect [2023-11-21 21:01:38,608 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_connect [2023-11-21 21:01:38,608 INFO L130 BoogieDeclarations]: Found specification of procedure pg_command [2023-11-21 21:01:38,608 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_command [2023-11-21 21:01:38,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 21:01:38,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-21 21:01:38,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-21 21:01:38,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-21 21:01:38,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-21 21:01:38,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-21 21:01:38,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-21 21:01:38,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-21 21:01:38,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-11-21 21:01:38,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-11-21 21:01:38,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-11-21 21:01:38,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-11-21 21:01:38,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2023-11-21 21:01:38,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2023-11-21 21:01:38,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2023-11-21 21:01:38,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2023-11-21 21:01:38,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2023-11-21 21:01:38,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2023-11-21 21:01:38,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2023-11-21 21:01:38,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2023-11-21 21:01:38,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2023-11-21 21:01:38,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2023-11-21 21:01:38,610 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-11-21 21:01:38,610 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-11-21 21:01:38,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 21:01:38,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 21:01:38,610 INFO L130 BoogieDeclarations]: Found specification of procedure xs [2023-11-21 21:01:38,611 INFO L138 BoogieDeclarations]: Found implementation of procedure xs [2023-11-21 21:01:39,136 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 21:01:39,139 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 21:01:40,996 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 21:01:41,709 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 21:01:41,709 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 21:01:41,712 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:01:41 BoogieIcfgContainer [2023-11-21 21:01:41,712 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 21:01:41,716 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 21:01:41,716 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 21:01:41,720 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 21:01:41,721 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 09:01:36" (1/3) ... [2023-11-21 21:01:41,723 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41ce901f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:01:41, skipping insertion in model container [2023-11-21 21:01:41,723 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:01:37" (2/3) ... [2023-11-21 21:01:41,723 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41ce901f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:01:41, skipping insertion in model container [2023-11-21 21:01:41,724 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:01:41" (3/3) ... [2023-11-21 21:01:41,725 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i [2023-11-21 21:01:41,747 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 21:01:41,747 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 21:01:41,821 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 21:01:41,828 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2aa22c5c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 21:01:41,828 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 21:01:41,835 INFO L276 IsEmpty]: Start isEmpty. Operand has 379 states, 244 states have (on average 1.3975409836065573) internal successors, (341), 254 states have internal predecessors, (341), 102 states have call successors, (102), 31 states have call predecessors, (102), 31 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2023-11-21 21:01:41,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 21:01:41,846 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:01:41,846 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:01:41,847 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 21:01:41,852 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:01:41,853 INFO L85 PathProgramCache]: Analyzing trace with hash 917375393, now seen corresponding path program 1 times [2023-11-21 21:01:41,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:01:41,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589863] [2023-11-21 21:01:41,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:01:41,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:01:42,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:42,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:01:42,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:01:42,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589863] [2023-11-21 21:01:42,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589863] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:01:42,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:01:42,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 21:01:42,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956934639] [2023-11-21 21:01:42,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:01:42,401 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:01:42,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:01:42,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:01:42,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:01:42,450 INFO L87 Difference]: Start difference. First operand has 379 states, 244 states have (on average 1.3975409836065573) internal successors, (341), 254 states have internal predecessors, (341), 102 states have call successors, (102), 31 states have call predecessors, (102), 31 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:01:43,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:01:43,151 INFO L93 Difference]: Finished difference Result 995 states and 1427 transitions. [2023-11-21 21:01:43,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:01:43,154 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (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 13 [2023-11-21 21:01:43,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 21:01:43,173 INFO L225 Difference]: With dead ends: 995 [2023-11-21 21:01:43,174 INFO L226 Difference]: Without dead ends: 613 [2023-11-21 21:01:43,181 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:01:43,184 INFO L413 NwaCegarLoop]: 544 mSDtfsCounter, 339 mSDsluCounter, 437 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 339 SdHoareTripleChecker+Valid, 981 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-21 21:01:43,186 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [339 Valid, 981 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-21 21:01:43,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 613 states. [2023-11-21 21:01:43,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 613 to 599. [2023-11-21 21:01:43,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 599 states, 383 states have (on average 1.3681462140992167) internal successors, (524), 393 states have internal predecessors, (524), 165 states have call successors, (165), 51 states have call predecessors, (165), 50 states have return successors, (159), 159 states have call predecessors, (159), 159 states have call successors, (159) [2023-11-21 21:01:43,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 848 transitions. [2023-11-21 21:01:43,298 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 848 transitions. Word has length 13 [2023-11-21 21:01:43,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 21:01:43,298 INFO L495 AbstractCegarLoop]: Abstraction has 599 states and 848 transitions. [2023-11-21 21:01:43,299 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:01:43,299 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 848 transitions. [2023-11-21 21:01:43,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 21:01:43,301 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:01:43,301 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:01:43,301 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 21:01:43,302 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 21:01:43,302 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:01:43,302 INFO L85 PathProgramCache]: Analyzing trace with hash -890758097, now seen corresponding path program 1 times [2023-11-21 21:01:43,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:01:43,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325654914] [2023-11-21 21:01:43,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:01:43,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:01:43,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:43,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:01:43,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:01:43,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325654914] [2023-11-21 21:01:43,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325654914] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:01:43,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:01:43,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 21:01:43,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056882038] [2023-11-21 21:01:43,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:01:43,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:01:43,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:01:43,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:01:43,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:01:43,454 INFO L87 Difference]: Start difference. First operand 599 states and 848 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:01:43,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:01:43,810 INFO L93 Difference]: Finished difference Result 1197 states and 1695 transitions. [2023-11-21 21:01:43,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:01:43,811 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 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 15 [2023-11-21 21:01:43,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 21:01:43,819 INFO L225 Difference]: With dead ends: 1197 [2023-11-21 21:01:43,820 INFO L226 Difference]: Without dead ends: 599 [2023-11-21 21:01:43,823 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:01:43,824 INFO L413 NwaCegarLoop]: 456 mSDtfsCounter, 527 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 527 SdHoareTripleChecker+Valid, 456 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-21 21:01:43,829 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [527 Valid, 456 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-21 21:01:43,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2023-11-21 21:01:43,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 599. [2023-11-21 21:01:43,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 599 states, 383 states have (on average 1.3629242819843341) internal successors, (522), 393 states have internal predecessors, (522), 165 states have call successors, (165), 51 states have call predecessors, (165), 50 states have return successors, (159), 159 states have call predecessors, (159), 159 states have call successors, (159) [2023-11-21 21:01:43,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 846 transitions. [2023-11-21 21:01:43,935 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 846 transitions. Word has length 15 [2023-11-21 21:01:43,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 21:01:43,936 INFO L495 AbstractCegarLoop]: Abstraction has 599 states and 846 transitions. [2023-11-21 21:01:43,936 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:01:43,936 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 846 transitions. [2023-11-21 21:01:43,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 21:01:43,938 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:01:43,939 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:01:43,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-21 21:01:43,939 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 21:01:43,951 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:01:43,952 INFO L85 PathProgramCache]: Analyzing trace with hash -2130252098, now seen corresponding path program 1 times [2023-11-21 21:01:43,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:01:43,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584231010] [2023-11-21 21:01:43,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:01:43,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:01:44,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:44,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-21 21:01:44,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:44,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:01:44,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:01:44,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584231010] [2023-11-21 21:01:44,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584231010] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:01:44,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:01:44,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-21 21:01:44,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224564355] [2023-11-21 21:01:44,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:01:44,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 21:01:44,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:01:44,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 21:01:44,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-21 21:01:44,199 INFO L87 Difference]: Start difference. First operand 599 states and 846 transitions. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-21 21:01:47,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:01:47,298 INFO L93 Difference]: Finished difference Result 1373 states and 1925 transitions. [2023-11-21 21:01:47,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-21 21:01:47,299 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 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 17 [2023-11-21 21:01:47,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 21:01:47,305 INFO L225 Difference]: With dead ends: 1373 [2023-11-21 21:01:47,306 INFO L226 Difference]: Without dead ends: 775 [2023-11-21 21:01:47,309 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-21 21:01:47,312 INFO L413 NwaCegarLoop]: 186 mSDtfsCounter, 514 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 862 mSolverCounterSat, 206 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 590 SdHoareTripleChecker+Valid, 393 SdHoareTripleChecker+Invalid, 1068 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 206 IncrementalHoareTripleChecker+Valid, 862 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-11-21 21:01:47,316 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [590 Valid, 393 Invalid, 1068 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [206 Valid, 862 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-11-21 21:01:47,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 775 states. [2023-11-21 21:01:47,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 775 to 775. [2023-11-21 21:01:47,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 775 states, 488 states have (on average 1.3381147540983607) internal successors, (653), 500 states have internal predecessors, (653), 215 states have call successors, (215), 72 states have call predecessors, (215), 71 states have return successors, (209), 209 states have call predecessors, (209), 209 states have call successors, (209) [2023-11-21 21:01:47,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 775 states and 1077 transitions. [2023-11-21 21:01:47,390 INFO L78 Accepts]: Start accepts. Automaton has 775 states and 1077 transitions. Word has length 17 [2023-11-21 21:01:47,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 21:01:47,391 INFO L495 AbstractCegarLoop]: Abstraction has 775 states and 1077 transitions. [2023-11-21 21:01:47,391 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-21 21:01:47,391 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 1077 transitions. [2023-11-21 21:01:47,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 21:01:47,395 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:01:47,395 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:01:47,396 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-21 21:01:47,396 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 21:01:47,397 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:01:47,397 INFO L85 PathProgramCache]: Analyzing trace with hash 202028262, now seen corresponding path program 1 times [2023-11-21 21:01:47,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:01:47,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770579810] [2023-11-21 21:01:47,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:01:47,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:01:47,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:47,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-21 21:01:47,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:47,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:01:47,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:01:47,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770579810] [2023-11-21 21:01:47,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770579810] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:01:47,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:01:47,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 21:01:47,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640375991] [2023-11-21 21:01:47,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:01:47,571 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:01:47,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:01:47,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:01:47,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:01:47,576 INFO L87 Difference]: Start difference. First operand 775 states and 1077 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-21 21:01:47,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:01:47,894 INFO L93 Difference]: Finished difference Result 1548 states and 2154 transitions. [2023-11-21 21:01:47,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:01:47,895 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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 24 [2023-11-21 21:01:47,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 21:01:47,900 INFO L225 Difference]: With dead ends: 1548 [2023-11-21 21:01:47,900 INFO L226 Difference]: Without dead ends: 783 [2023-11-21 21:01:47,903 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:01:47,904 INFO L413 NwaCegarLoop]: 457 mSDtfsCounter, 3 mSDsluCounter, 456 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 913 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-21 21:01:47,905 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 913 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-21 21:01:47,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 783 states. [2023-11-21 21:01:47,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 783 to 777. [2023-11-21 21:01:47,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 777 states, 490 states have (on average 1.336734693877551) internal successors, (655), 502 states have internal predecessors, (655), 215 states have call successors, (215), 72 states have call predecessors, (215), 71 states have return successors, (209), 209 states have call predecessors, (209), 209 states have call successors, (209) [2023-11-21 21:01:47,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 777 states to 777 states and 1079 transitions. [2023-11-21 21:01:47,963 INFO L78 Accepts]: Start accepts. Automaton has 777 states and 1079 transitions. Word has length 24 [2023-11-21 21:01:47,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 21:01:47,964 INFO L495 AbstractCegarLoop]: Abstraction has 777 states and 1079 transitions. [2023-11-21 21:01:47,964 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-21 21:01:47,964 INFO L276 IsEmpty]: Start isEmpty. Operand 777 states and 1079 transitions. [2023-11-21 21:01:47,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 21:01:47,967 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:01:47,969 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:01:47,970 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-21 21:01:47,970 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 21:01:47,970 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:01:47,971 INFO L85 PathProgramCache]: Analyzing trace with hash 1751606968, now seen corresponding path program 1 times [2023-11-21 21:01:47,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:01:47,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828279867] [2023-11-21 21:01:47,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:01:47,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:01:48,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:48,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-21 21:01:48,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:48,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-21 21:01:48,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:48,165 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:01:48,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:01:48,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828279867] [2023-11-21 21:01:48,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828279867] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 21:01:48,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1019444428] [2023-11-21 21:01:48,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:01:48,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 21:01:48,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5035a1b6-1932-4c69-a55d-05ea4d626c1e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:01:48,172 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5035a1b6-1932-4c69-a55d-05ea4d626c1e/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 21:01:48,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5035a1b6-1932-4c69-a55d-05ea4d626c1e/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-21 21:01:48,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:48,640 INFO L262 TraceCheckSpWp]: Trace formula consists of 832 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 21:01:48,648 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 21:01:48,674 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 21:01:48,675 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 21:01:48,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1019444428] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:01:48,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-21 21:01:48,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2023-11-21 21:01:48,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742575659] [2023-11-21 21:01:48,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:01:48,677 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:01:48,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:01:48,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:01:48,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-21 21:01:48,679 INFO L87 Difference]: Start difference. First operand 777 states and 1079 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-21 21:01:49,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:01:49,096 INFO L93 Difference]: Finished difference Result 1570 states and 2186 transitions. [2023-11-21 21:01:49,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:01:49,097 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 30 [2023-11-21 21:01:49,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 21:01:49,103 INFO L225 Difference]: With dead ends: 1570 [2023-11-21 21:01:49,103 INFO L226 Difference]: Without dead ends: 803 [2023-11-21 21:01:49,107 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-21 21:01:49,108 INFO L413 NwaCegarLoop]: 455 mSDtfsCounter, 20 mSDsluCounter, 438 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 893 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-21 21:01:49,109 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 893 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-21 21:01:49,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 803 states. [2023-11-21 21:01:49,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 803 to 801. [2023-11-21 21:01:49,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 801 states, 508 states have (on average 1.3405511811023623) internal successors, (681), 520 states have internal predecessors, (681), 221 states have call successors, (221), 72 states have call predecessors, (221), 71 states have return successors, (215), 215 states have call predecessors, (215), 215 states have call successors, (215) [2023-11-21 21:01:49,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 801 states and 1117 transitions. [2023-11-21 21:01:49,198 INFO L78 Accepts]: Start accepts. Automaton has 801 states and 1117 transitions. Word has length 30 [2023-11-21 21:01:49,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 21:01:49,199 INFO L495 AbstractCegarLoop]: Abstraction has 801 states and 1117 transitions. [2023-11-21 21:01:49,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-21 21:01:49,200 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 1117 transitions. [2023-11-21 21:01:49,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 21:01:49,203 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:01:49,203 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:01:49,225 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5035a1b6-1932-4c69-a55d-05ea4d626c1e/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-21 21:01:49,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5035a1b6-1932-4c69-a55d-05ea4d626c1e/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 21:01:49,424 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 21:01:49,424 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:01:49,424 INFO L85 PathProgramCache]: Analyzing trace with hash -1087354019, now seen corresponding path program 1 times [2023-11-21 21:01:49,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:01:49,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736463456] [2023-11-21 21:01:49,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:01:49,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:01:49,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:49,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-21 21:01:49,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:49,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-21 21:01:49,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:49,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-21 21:01:49,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:49,607 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 21:01:49,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:01:49,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736463456] [2023-11-21 21:01:49,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736463456] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 21:01:49,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [358948449] [2023-11-21 21:01:49,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:01:49,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 21:01:49,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5035a1b6-1932-4c69-a55d-05ea4d626c1e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:01:49,609 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5035a1b6-1932-4c69-a55d-05ea4d626c1e/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 21:01:49,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5035a1b6-1932-4c69-a55d-05ea4d626c1e/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-21 21:01:50,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:50,045 INFO L262 TraceCheckSpWp]: Trace formula consists of 849 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 21:01:50,048 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 21:01:50,128 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-21 21:01:50,128 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 21:01:50,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [358948449] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:01:50,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-21 21:01:50,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-11-21 21:01:50,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121135228] [2023-11-21 21:01:50,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:01:50,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:01:50,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:01:50,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:01:50,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-21 21:01:50,131 INFO L87 Difference]: Start difference. First operand 801 states and 1117 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-21 21:01:50,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:01:50,459 INFO L93 Difference]: Finished difference Result 803 states and 1118 transitions. [2023-11-21 21:01:50,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:01:50,460 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 34 [2023-11-21 21:01:50,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 21:01:50,466 INFO L225 Difference]: With dead ends: 803 [2023-11-21 21:01:50,466 INFO L226 Difference]: Without dead ends: 800 [2023-11-21 21:01:50,467 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-21 21:01:50,468 INFO L413 NwaCegarLoop]: 454 mSDtfsCounter, 503 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 503 SdHoareTripleChecker+Valid, 454 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-21 21:01:50,468 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [503 Valid, 454 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-21 21:01:50,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2023-11-21 21:01:50,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 800. [2023-11-21 21:01:50,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 800 states, 508 states have (on average 1.3385826771653544) internal successors, (680), 519 states have internal predecessors, (680), 220 states have call successors, (220), 72 states have call predecessors, (220), 71 states have return successors, (215), 215 states have call predecessors, (215), 215 states have call successors, (215) [2023-11-21 21:01:50,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 800 states and 1115 transitions. [2023-11-21 21:01:50,550 INFO L78 Accepts]: Start accepts. Automaton has 800 states and 1115 transitions. Word has length 34 [2023-11-21 21:01:50,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 21:01:50,552 INFO L495 AbstractCegarLoop]: Abstraction has 800 states and 1115 transitions. [2023-11-21 21:01:50,552 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-21 21:01:50,553 INFO L276 IsEmpty]: Start isEmpty. Operand 800 states and 1115 transitions. [2023-11-21 21:01:50,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 21:01:50,557 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:01:50,557 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:01:50,584 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5035a1b6-1932-4c69-a55d-05ea4d626c1e/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-21 21:01:50,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5035a1b6-1932-4c69-a55d-05ea4d626c1e/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 21:01:50,781 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 21:01:50,781 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:01:50,781 INFO L85 PathProgramCache]: Analyzing trace with hash 651506993, now seen corresponding path program 1 times [2023-11-21 21:01:50,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:01:50,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618123929] [2023-11-21 21:01:50,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:01:50,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:01:50,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:51,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-21 21:01:51,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:51,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-21 21:01:51,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:51,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-21 21:01:51,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:51,029 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 21:01:51,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:01:51,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618123929] [2023-11-21 21:01:51,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618123929] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 21:01:51,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [612639364] [2023-11-21 21:01:51,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:01:51,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 21:01:51,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5035a1b6-1932-4c69-a55d-05ea4d626c1e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:01:51,033 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5035a1b6-1932-4c69-a55d-05ea4d626c1e/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 21:01:51,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5035a1b6-1932-4c69-a55d-05ea4d626c1e/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-21 21:01:51,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:51,474 INFO L262 TraceCheckSpWp]: Trace formula consists of 851 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 21:01:51,477 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 21:01:51,556 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-21 21:01:51,556 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 21:01:51,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [612639364] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:01:51,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-21 21:01:51,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-11-21 21:01:51,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603614824] [2023-11-21 21:01:51,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:01:51,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:01:51,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:01:51,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:01:51,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-21 21:01:51,559 INFO L87 Difference]: Start difference. First operand 800 states and 1115 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-21 21:01:51,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:01:51,830 INFO L93 Difference]: Finished difference Result 802 states and 1116 transitions. [2023-11-21 21:01:51,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:01:51,830 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 35 [2023-11-21 21:01:51,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 21:01:51,836 INFO L225 Difference]: With dead ends: 802 [2023-11-21 21:01:51,837 INFO L226 Difference]: Without dead ends: 799 [2023-11-21 21:01:51,838 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-21 21:01:51,838 INFO L413 NwaCegarLoop]: 452 mSDtfsCounter, 500 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 500 SdHoareTripleChecker+Valid, 452 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-21 21:01:51,839 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [500 Valid, 452 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-21 21:01:51,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 799 states. [2023-11-21 21:01:51,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 799 to 799. [2023-11-21 21:01:51,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 799 states, 508 states have (on average 1.3366141732283465) internal successors, (679), 518 states have internal predecessors, (679), 219 states have call successors, (219), 72 states have call predecessors, (219), 71 states have return successors, (215), 215 states have call predecessors, (215), 215 states have call successors, (215) [2023-11-21 21:01:51,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 799 states to 799 states and 1113 transitions. [2023-11-21 21:01:51,939 INFO L78 Accepts]: Start accepts. Automaton has 799 states and 1113 transitions. Word has length 35 [2023-11-21 21:01:51,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 21:01:51,941 INFO L495 AbstractCegarLoop]: Abstraction has 799 states and 1113 transitions. [2023-11-21 21:01:51,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-21 21:01:51,941 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 1113 transitions. [2023-11-21 21:01:51,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 21:01:51,942 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:01:51,942 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:01:51,965 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5035a1b6-1932-4c69-a55d-05ea4d626c1e/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-21 21:01:52,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5035a1b6-1932-4c69-a55d-05ea4d626c1e/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 21:01:52,156 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 21:01:52,156 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:01:52,157 INFO L85 PathProgramCache]: Analyzing trace with hash -1278371616, now seen corresponding path program 1 times [2023-11-21 21:01:52,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:01:52,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369493480] [2023-11-21 21:01:52,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:01:52,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:01:52,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:52,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-21 21:01:52,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:52,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-21 21:01:52,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:52,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-21 21:01:52,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:52,370 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 21:01:52,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:01:52,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369493480] [2023-11-21 21:01:52,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369493480] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 21:01:52,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2134235785] [2023-11-21 21:01:52,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:01:52,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 21:01:52,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5035a1b6-1932-4c69-a55d-05ea4d626c1e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:01:52,376 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5035a1b6-1932-4c69-a55d-05ea4d626c1e/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 21:01:52,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5035a1b6-1932-4c69-a55d-05ea4d626c1e/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-21 21:01:52,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:52,819 INFO L262 TraceCheckSpWp]: Trace formula consists of 853 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 21:01:52,825 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 21:01:52,906 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-21 21:01:52,906 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 21:01:52,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2134235785] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:01:52,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-21 21:01:52,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-11-21 21:01:52,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261913455] [2023-11-21 21:01:52,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:01:52,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:01:52,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:01:52,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:01:52,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-21 21:01:52,908 INFO L87 Difference]: Start difference. First operand 799 states and 1113 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-21 21:01:53,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:01:53,173 INFO L93 Difference]: Finished difference Result 801 states and 1114 transitions. [2023-11-21 21:01:53,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:01:53,174 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 36 [2023-11-21 21:01:53,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 21:01:53,180 INFO L225 Difference]: With dead ends: 801 [2023-11-21 21:01:53,180 INFO L226 Difference]: Without dead ends: 798 [2023-11-21 21:01:53,181 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-21 21:01:53,182 INFO L413 NwaCegarLoop]: 450 mSDtfsCounter, 497 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 497 SdHoareTripleChecker+Valid, 450 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-21 21:01:53,182 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [497 Valid, 450 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-21 21:01:53,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 798 states. [2023-11-21 21:01:53,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 798 to 798. [2023-11-21 21:01:53,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 798 states, 508 states have (on average 1.3346456692913387) internal successors, (678), 517 states have internal predecessors, (678), 218 states have call successors, (218), 72 states have call predecessors, (218), 71 states have return successors, (215), 215 states have call predecessors, (215), 215 states have call successors, (215) [2023-11-21 21:01:53,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 798 states and 1111 transitions. [2023-11-21 21:01:53,259 INFO L78 Accepts]: Start accepts. Automaton has 798 states and 1111 transitions. Word has length 36 [2023-11-21 21:01:53,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 21:01:53,259 INFO L495 AbstractCegarLoop]: Abstraction has 798 states and 1111 transitions. [2023-11-21 21:01:53,260 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-21 21:01:53,260 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 1111 transitions. [2023-11-21 21:01:53,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 21:01:53,261 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:01:53,261 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:01:53,285 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5035a1b6-1932-4c69-a55d-05ea4d626c1e/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-21 21:01:53,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5035a1b6-1932-4c69-a55d-05ea4d626c1e/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-11-21 21:01:53,475 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 21:01:53,476 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:01:53,476 INFO L85 PathProgramCache]: Analyzing trace with hash -975061484, now seen corresponding path program 1 times [2023-11-21 21:01:53,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:01:53,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793009133] [2023-11-21 21:01:53,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:01:53,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:01:53,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:53,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-21 21:01:53,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:53,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-21 21:01:53,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:53,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-21 21:01:53,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:53,707 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 21:01:53,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:01:53,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793009133] [2023-11-21 21:01:53,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793009133] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 21:01:53,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [959589279] [2023-11-21 21:01:53,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:01:53,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 21:01:53,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5035a1b6-1932-4c69-a55d-05ea4d626c1e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:01:53,712 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5035a1b6-1932-4c69-a55d-05ea4d626c1e/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 21:01:53,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5035a1b6-1932-4c69-a55d-05ea4d626c1e/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-21 21:01:54,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:54,166 INFO L262 TraceCheckSpWp]: Trace formula consists of 855 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 21:01:54,175 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 21:01:54,238 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-21 21:01:54,238 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 21:01:54,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [959589279] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:01:54,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-21 21:01:54,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-11-21 21:01:54,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665679305] [2023-11-21 21:01:54,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:01:54,239 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:01:54,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:01:54,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:01:54,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-21 21:01:54,240 INFO L87 Difference]: Start difference. First operand 798 states and 1111 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-21 21:01:54,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:01:54,598 INFO L93 Difference]: Finished difference Result 940 states and 1300 transitions. [2023-11-21 21:01:54,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:01:54,599 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 37 [2023-11-21 21:01:54,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 21:01:54,605 INFO L225 Difference]: With dead ends: 940 [2023-11-21 21:01:54,605 INFO L226 Difference]: Without dead ends: 919 [2023-11-21 21:01:54,606 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-21 21:01:54,607 INFO L413 NwaCegarLoop]: 490 mSDtfsCounter, 459 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 459 SdHoareTripleChecker+Valid, 699 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-21 21:01:54,607 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [459 Valid, 699 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-21 21:01:54,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 919 states. [2023-11-21 21:01:54,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 919 to 919. [2023-11-21 21:01:54,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 919 states, 575 states have (on average 1.3130434782608695) internal successors, (755), 584 states have internal predecessors, (755), 259 states have call successors, (259), 85 states have call predecessors, (259), 84 states have return successors, (258), 258 states have call predecessors, (258), 258 states have call successors, (258) [2023-11-21 21:01:54,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 919 states and 1272 transitions. [2023-11-21 21:01:54,698 INFO L78 Accepts]: Start accepts. Automaton has 919 states and 1272 transitions. Word has length 37 [2023-11-21 21:01:54,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 21:01:54,700 INFO L495 AbstractCegarLoop]: Abstraction has 919 states and 1272 transitions. [2023-11-21 21:01:54,700 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-21 21:01:54,700 INFO L276 IsEmpty]: Start isEmpty. Operand 919 states and 1272 transitions. [2023-11-21 21:01:54,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-21 21:01:54,703 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:01:54,703 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2023-11-21 21:01:54,726 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5035a1b6-1932-4c69-a55d-05ea4d626c1e/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-21 21:01:54,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5035a1b6-1932-4c69-a55d-05ea4d626c1e/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 21:01:54,921 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 21:01:54,921 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:01:54,922 INFO L85 PathProgramCache]: Analyzing trace with hash 526067368, now seen corresponding path program 1 times [2023-11-21 21:01:54,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:01:54,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062723713] [2023-11-21 21:01:54,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:01:54,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:01:54,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:55,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-21 21:01:55,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:55,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-21 21:01:55,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:55,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-21 21:01:55,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:55,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-21 21:01:55,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:55,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-21 21:01:55,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:55,203 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 21:01:55,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:01:55,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062723713] [2023-11-21 21:01:55,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062723713] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 21:01:55,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [982491689] [2023-11-21 21:01:55,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:01:55,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 21:01:55,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5035a1b6-1932-4c69-a55d-05ea4d626c1e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:01:55,207 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5035a1b6-1932-4c69-a55d-05ea4d626c1e/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 21:01:55,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5035a1b6-1932-4c69-a55d-05ea4d626c1e/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-21 21:01:55,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:55,696 INFO L262 TraceCheckSpWp]: Trace formula consists of 981 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 21:01:55,699 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 21:01:55,709 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-21 21:01:55,709 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 21:01:55,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [982491689] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:01:55,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-21 21:01:55,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2023-11-21 21:01:55,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469247191] [2023-11-21 21:01:55,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:01:55,710 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:01:55,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:01:55,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:01:55,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-21 21:01:55,711 INFO L87 Difference]: Start difference. First operand 919 states and 1272 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-21 21:01:56,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:01:56,061 INFO L93 Difference]: Finished difference Result 1838 states and 2546 transitions. [2023-11-21 21:01:56,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:01:56,062 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 56 [2023-11-21 21:01:56,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 21:01:56,068 INFO L225 Difference]: With dead ends: 1838 [2023-11-21 21:01:56,068 INFO L226 Difference]: Without dead ends: 929 [2023-11-21 21:01:56,072 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-21 21:01:56,073 INFO L413 NwaCegarLoop]: 430 mSDtfsCounter, 8 mSDsluCounter, 426 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 856 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-21 21:01:56,074 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 856 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-21 21:01:56,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 929 states. [2023-11-21 21:01:56,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 929 to 921. [2023-11-21 21:01:56,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 921 states, 577 states have (on average 1.3119584055459272) internal successors, (757), 586 states have internal predecessors, (757), 259 states have call successors, (259), 85 states have call predecessors, (259), 84 states have return successors, (258), 258 states have call predecessors, (258), 258 states have call successors, (258) [2023-11-21 21:01:56,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 921 states and 1274 transitions. [2023-11-21 21:01:56,161 INFO L78 Accepts]: Start accepts. Automaton has 921 states and 1274 transitions. Word has length 56 [2023-11-21 21:01:56,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 21:01:56,161 INFO L495 AbstractCegarLoop]: Abstraction has 921 states and 1274 transitions. [2023-11-21 21:01:56,162 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-21 21:01:56,162 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1274 transitions. [2023-11-21 21:01:56,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-21 21:01:56,163 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:01:56,164 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2023-11-21 21:01:56,191 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5035a1b6-1932-4c69-a55d-05ea4d626c1e/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-21 21:01:56,380 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5035a1b6-1932-4c69-a55d-05ea4d626c1e/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-21 21:01:56,380 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 21:01:56,380 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:01:56,380 INFO L85 PathProgramCache]: Analyzing trace with hash -1537134497, now seen corresponding path program 1 times [2023-11-21 21:01:56,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:01:56,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352914554] [2023-11-21 21:01:56,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:01:56,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:01:56,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:56,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-21 21:01:56,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:56,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-21 21:01:56,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:56,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-21 21:01:56,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:56,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-21 21:01:56,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:56,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-21 21:01:56,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:56,570 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-21 21:01:56,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:01:56,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352914554] [2023-11-21 21:01:56,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352914554] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 21:01:56,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1798252812] [2023-11-21 21:01:56,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:01:56,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 21:01:56,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5035a1b6-1932-4c69-a55d-05ea4d626c1e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:01:56,572 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5035a1b6-1932-4c69-a55d-05ea4d626c1e/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 21:01:56,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5035a1b6-1932-4c69-a55d-05ea4d626c1e/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-21 21:01:57,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:57,094 INFO L262 TraceCheckSpWp]: Trace formula consists of 992 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 21:01:57,098 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 21:01:57,119 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-21 21:01:57,119 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 21:01:57,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1798252812] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:01:57,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-21 21:01:57,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2023-11-21 21:01:57,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976439763] [2023-11-21 21:01:57,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:01:57,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:01:57,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:01:57,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:01:57,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-21 21:01:57,122 INFO L87 Difference]: Start difference. First operand 921 states and 1274 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-21 21:01:57,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:01:57,554 INFO L93 Difference]: Finished difference Result 921 states and 1274 transitions. [2023-11-21 21:01:57,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:01:57,555 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 59 [2023-11-21 21:01:57,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 21:01:57,556 INFO L225 Difference]: With dead ends: 921 [2023-11-21 21:01:57,556 INFO L226 Difference]: Without dead ends: 0 [2023-11-21 21:01:57,559 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-21 21:01:57,560 INFO L413 NwaCegarLoop]: 568 mSDtfsCounter, 237 mSDsluCounter, 404 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 972 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-21 21:01:57,561 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [237 Valid, 972 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-21 21:01:57,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-21 21:01:57,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-21 21:01:57,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:01:57,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-21 21:01:57,563 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2023-11-21 21:01:57,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 21:01:57,563 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 21:01:57,563 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-21 21:01:57,563 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-21 21:01:57,564 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 21:01:57,566 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-21 21:01:57,597 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5035a1b6-1932-4c69-a55d-05ea4d626c1e/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-21 21:01:57,792 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5035a1b6-1932-4c69-a55d-05ea4d626c1e/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-11-21 21:01:57,794 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-21 21:02:00,241 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 4566 4568) the Hoare annotation is: true [2023-11-21 21:02:00,241 INFO L899 garLoopResultBuilder]: For program point pi_releaseEXIT(lines 4566 4568) no Hoare annotation was computed. [2023-11-21 21:02:00,241 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3063 3069) the Hoare annotation is: true [2023-11-21 21:02:00,241 INFO L899 garLoopResultBuilder]: For program point write_regEXIT(lines 3063 3069) no Hoare annotation was computed. [2023-11-21 21:02:00,242 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 4552 4554) the Hoare annotation is: true [2023-11-21 21:02:00,242 INFO L899 garLoopResultBuilder]: For program point pi_disconnectEXIT(lines 4552 4554) no Hoare annotation was computed. [2023-11-21 21:02:00,242 INFO L902 garLoopResultBuilder]: At program point L3052(line 3052) the Hoare annotation is: true [2023-11-21 21:02:00,242 INFO L899 garLoopResultBuilder]: For program point L3052-1(line 3052) no Hoare annotation was computed. [2023-11-21 21:02:00,242 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3049 3055) the Hoare annotation is: true [2023-11-21 21:02:00,242 INFO L899 garLoopResultBuilder]: For program point status_regEXIT(lines 3049 3055) no Hoare annotation was computed. [2023-11-21 21:02:00,242 INFO L899 garLoopResultBuilder]: For program point read_regEXIT(lines 3056 3062) no Hoare annotation was computed. [2023-11-21 21:02:00,242 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3056 3062) the Hoare annotation is: true [2023-11-21 21:02:00,242 INFO L899 garLoopResultBuilder]: For program point L3059-1(line 3059) no Hoare annotation was computed. [2023-11-21 21:02:00,242 INFO L902 garLoopResultBuilder]: At program point L3059(line 3059) the Hoare annotation is: true [2023-11-21 21:02:00,242 INFO L899 garLoopResultBuilder]: For program point ldv_mallocEXIT(lines 2921 2930) no Hoare annotation was computed. [2023-11-21 21:02:00,243 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 2921 2930) the Hoare annotation is: true [2023-11-21 21:02:00,243 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3076 3082) the Hoare annotation is: true [2023-11-21 21:02:00,243 INFO L899 garLoopResultBuilder]: For program point pg_sleepEXIT(lines 3076 3082) no Hoare annotation was computed. [2023-11-21 21:02:00,243 INFO L899 garLoopResultBuilder]: For program point L3202-1(line 3202) no Hoare annotation was computed. [2023-11-21 21:02:00,243 INFO L899 garLoopResultBuilder]: For program point L3231-1(line 3231) no Hoare annotation was computed. [2023-11-21 21:02:00,243 INFO L902 garLoopResultBuilder]: At program point L3231(line 3231) the Hoare annotation is: true [2023-11-21 21:02:00,243 INFO L902 garLoopResultBuilder]: At program point L3240(line 3240) the Hoare annotation is: true [2023-11-21 21:02:00,243 INFO L899 garLoopResultBuilder]: For program point L3207-1(line 3207) no Hoare annotation was computed. [2023-11-21 21:02:00,243 INFO L902 garLoopResultBuilder]: At program point L3207(line 3207) the Hoare annotation is: true [2023-11-21 21:02:00,243 INFO L899 garLoopResultBuilder]: For program point L3240-1(line 3240) no Hoare annotation was computed. [2023-11-21 21:02:00,243 INFO L902 garLoopResultBuilder]: At program point L3232(lines 3201 3242) the Hoare annotation is: true [2023-11-21 21:02:00,244 INFO L899 garLoopResultBuilder]: For program point L3220-1(lines 3220 3228) no Hoare annotation was computed. [2023-11-21 21:02:00,244 INFO L899 garLoopResultBuilder]: For program point L3216-1(lines 3201 3242) no Hoare annotation was computed. [2023-11-21 21:02:00,244 INFO L899 garLoopResultBuilder]: For program point L3212(lines 3212 3215) no Hoare annotation was computed. [2023-11-21 21:02:00,244 INFO L899 garLoopResultBuilder]: For program point L3212-2(lines 3201 3242) no Hoare annotation was computed. [2023-11-21 21:02:00,244 INFO L899 garLoopResultBuilder]: For program point L3233(line 3233) no Hoare annotation was computed. [2023-11-21 21:02:00,244 INFO L902 garLoopResultBuilder]: At program point L3221-2(lines 3221 3225) the Hoare annotation is: true [2023-11-21 21:02:00,244 INFO L899 garLoopResultBuilder]: For program point L3213-1(line 3213) no Hoare annotation was computed. [2023-11-21 21:02:00,244 INFO L902 garLoopResultBuilder]: At program point L3213(line 3213) the Hoare annotation is: true [2023-11-21 21:02:00,244 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3191 3243) the Hoare annotation is: true [2023-11-21 21:02:00,244 INFO L899 garLoopResultBuilder]: For program point L3234-4(lines 3234 3238) no Hoare annotation was computed. [2023-11-21 21:02:00,245 INFO L899 garLoopResultBuilder]: For program point L3226(line 3226) no Hoare annotation was computed. [2023-11-21 21:02:00,245 INFO L899 garLoopResultBuilder]: For program point pg_completionEXIT(lines 3191 3243) no Hoare annotation was computed. [2023-11-21 21:02:00,245 INFO L902 garLoopResultBuilder]: At program point ldv_22806(lines 3201 3242) the Hoare annotation is: true [2023-11-21 21:02:00,245 INFO L902 garLoopResultBuilder]: At program point L3210(line 3210) the Hoare annotation is: true [2023-11-21 21:02:00,245 INFO L899 garLoopResultBuilder]: For program point L3210-1(line 3210) no Hoare annotation was computed. [2023-11-21 21:02:00,245 INFO L899 garLoopResultBuilder]: For program point L3206(line 3206) no Hoare annotation was computed. [2023-11-21 21:02:00,245 INFO L902 garLoopResultBuilder]: At program point L3202(line 3202) the Hoare annotation is: true [2023-11-21 21:02:00,245 INFO L899 garLoopResultBuilder]: For program point mutex_unlockEXIT(lines 4542 4544) no Hoare annotation was computed. [2023-11-21 21:02:00,245 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 4542 4544) the Hoare annotation is: true [2023-11-21 21:02:00,245 INFO L899 garLoopResultBuilder]: For program point copy_to_userEXIT(lines 2983 2990) no Hoare annotation was computed. [2023-11-21 21:02:00,246 INFO L902 garLoopResultBuilder]: At program point L2986(line 2986) the Hoare annotation is: true [2023-11-21 21:02:00,246 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 2983 2990) the Hoare annotation is: true [2023-11-21 21:02:00,246 INFO L899 garLoopResultBuilder]: For program point L2986-1(line 2986) no Hoare annotation was computed. [2023-11-21 21:02:00,246 INFO L899 garLoopResultBuilder]: For program point pg_waitFINAL(lines 3083 3137) no Hoare annotation was computed. [2023-11-21 21:02:00,246 INFO L899 garLoopResultBuilder]: For program point L3099(lines 3099 3103) no Hoare annotation was computed. [2023-11-21 21:02:00,246 INFO L902 garLoopResultBuilder]: At program point L3116(line 3116) the Hoare annotation is: true [2023-11-21 21:02:00,246 INFO L899 garLoopResultBuilder]: For program point L3116-1(line 3116) no Hoare annotation was computed. [2023-11-21 21:02:00,246 INFO L899 garLoopResultBuilder]: For program point L3117(lines 3117 3126) no Hoare annotation was computed. [2023-11-21 21:02:00,246 INFO L899 garLoopResultBuilder]: For program point L3117-2(lines 3113 3133) no Hoare annotation was computed. [2023-11-21 21:02:00,246 INFO L902 garLoopResultBuilder]: At program point L3118-2(lines 3118 3122) the Hoare annotation is: true [2023-11-21 21:02:00,247 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3083 3137) the Hoare annotation is: true [2023-11-21 21:02:00,247 INFO L902 garLoopResultBuilder]: At program point L3102(line 3102) the Hoare annotation is: true [2023-11-21 21:02:00,247 INFO L902 garLoopResultBuilder]: At program point L3102-1(lines 3092 3136) the Hoare annotation is: true [2023-11-21 21:02:00,247 INFO L899 garLoopResultBuilder]: For program point L3113-4(lines 3113 3134) no Hoare annotation was computed. [2023-11-21 21:02:00,247 INFO L899 garLoopResultBuilder]: For program point L3105(line 3105) no Hoare annotation was computed. [2023-11-21 21:02:00,247 INFO L902 garLoopResultBuilder]: At program point L3114(line 3114) the Hoare annotation is: true [2023-11-21 21:02:00,248 INFO L899 garLoopResultBuilder]: For program point L3114-1(line 3114) no Hoare annotation was computed. [2023-11-21 21:02:00,249 INFO L899 garLoopResultBuilder]: For program point pg_waitEXIT(lines 3083 3137) no Hoare annotation was computed. [2023-11-21 21:02:00,249 INFO L899 garLoopResultBuilder]: For program point L3106-15(lines 3106 3110) no Hoare annotation was computed. [2023-11-21 21:02:00,249 INFO L899 garLoopResultBuilder]: For program point L3123(lines 3123 3124) no Hoare annotation was computed. [2023-11-21 21:02:00,249 INFO L899 garLoopResultBuilder]: For program point L3115-1(line 3115) no Hoare annotation was computed. [2023-11-21 21:02:00,249 INFO L902 garLoopResultBuilder]: At program point L3115(line 3115) the Hoare annotation is: true [2023-11-21 21:02:00,249 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 4041 4046) the Hoare annotation is: true [2023-11-21 21:02:00,250 INFO L899 garLoopResultBuilder]: For program point ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4044) no Hoare annotation was computed. [2023-11-21 21:02:00,250 INFO L899 garLoopResultBuilder]: For program point ldv_errorEXIT(lines 4041 4046) no Hoare annotation was computed. [2023-11-21 21:02:00,250 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 4048 4053) the Hoare annotation is: true [2023-11-21 21:02:00,250 INFO L899 garLoopResultBuilder]: For program point ldv__builtin_expectEXIT(lines 4048 4053) no Hoare annotation was computed. [2023-11-21 21:02:00,250 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 2805 2811) the Hoare annotation is: true [2023-11-21 21:02:00,251 INFO L899 garLoopResultBuilder]: For program point clear_bitEXIT(lines 2805 2811) no Hoare annotation was computed. [2023-11-21 21:02:00,251 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 4535 4537) the Hoare annotation is: true [2023-11-21 21:02:00,251 INFO L899 garLoopResultBuilder]: For program point mutex_lockEXIT(lines 4535 4537) no Hoare annotation was computed. [2023-11-21 21:02:00,251 INFO L899 garLoopResultBuilder]: For program point L2977(line 2977) no Hoare annotation was computed. [2023-11-21 21:02:00,251 INFO L899 garLoopResultBuilder]: For program point L2971-1(line 2971) no Hoare annotation was computed. [2023-11-21 21:02:00,251 INFO L902 garLoopResultBuilder]: At program point L2971(line 2971) the Hoare annotation is: true [2023-11-21 21:02:00,252 INFO L899 garLoopResultBuilder]: For program point L2967(lines 2967 2978) no Hoare annotation was computed. [2023-11-21 21:02:00,252 INFO L899 garLoopResultBuilder]: For program point L2967-2(lines 2963 2979) no Hoare annotation was computed. [2023-11-21 21:02:00,252 INFO L899 garLoopResultBuilder]: For program point L2963(lines 2963 2979) no Hoare annotation was computed. [2023-11-21 21:02:00,252 INFO L902 garLoopResultBuilder]: At program point L2961-1(line 2961) the Hoare annotation is: true [2023-11-21 21:02:00,252 INFO L902 garLoopResultBuilder]: At program point L2961(line 2961) the Hoare annotation is: true [2023-11-21 21:02:00,252 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 2951 2982) the Hoare annotation is: true [2023-11-21 21:02:00,252 INFO L899 garLoopResultBuilder]: For program point copy_from_userEXIT(lines 2951 2982) no Hoare annotation was computed. [2023-11-21 21:02:00,253 INFO L902 garLoopResultBuilder]: At program point L2972-2(lines 2972 2976) the Hoare annotation is: true [2023-11-21 21:02:00,253 INFO L902 garLoopResultBuilder]: At program point L2968(line 2968) the Hoare annotation is: true [2023-11-21 21:02:00,253 INFO L902 garLoopResultBuilder]: At program point L2966(line 2966) the Hoare annotation is: true [2023-11-21 21:02:00,253 INFO L899 garLoopResultBuilder]: For program point L2968-1(line 2968) no Hoare annotation was computed. [2023-11-21 21:02:00,253 INFO L902 garLoopResultBuilder]: At program point L2964(line 2964) the Hoare annotation is: true [2023-11-21 21:02:00,254 INFO L899 garLoopResultBuilder]: For program point L2966-1(line 2966) no Hoare annotation was computed. [2023-11-21 21:02:00,254 INFO L899 garLoopResultBuilder]: For program point L2962(line 2962) no Hoare annotation was computed. [2023-11-21 21:02:00,254 INFO L899 garLoopResultBuilder]: For program point L2964-1(line 2964) no Hoare annotation was computed. [2023-11-21 21:02:00,254 INFO L899 garLoopResultBuilder]: For program point ldv_unregister_chrdev_11EXIT(lines 4032 4039) no Hoare annotation was computed. [2023-11-21 21:02:00,254 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 4032 4039) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= ~ldv_mutex_pg_mutex~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~disable~0 0)) (= ~ldv_state_variable_1~0 |old(~ldv_state_variable_1~0)|)) [2023-11-21 21:02:00,255 INFO L899 garLoopResultBuilder]: For program point DRIVEEXIT(lines 3070 3075) no Hoare annotation was computed. [2023-11-21 21:02:00,255 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3070 3075) the Hoare annotation is: true [2023-11-21 21:02:00,255 INFO L902 garLoopResultBuilder]: At program point L3582(line 3582) the Hoare annotation is: true [2023-11-21 21:02:00,255 INFO L899 garLoopResultBuilder]: For program point L3582-1(line 3582) no Hoare annotation was computed. [2023-11-21 21:02:00,255 INFO L899 garLoopResultBuilder]: For program point L3578(lines 3578 3581) no Hoare annotation was computed. [2023-11-21 21:02:00,255 INFO L899 garLoopResultBuilder]: For program point L3574(lines 3574 3577) no Hoare annotation was computed. [2023-11-21 21:02:00,256 INFO L899 garLoopResultBuilder]: For program point pg_writeEXIT(lines 3563 3636) no Hoare annotation was computed. [2023-11-21 21:02:00,256 INFO L899 garLoopResultBuilder]: For program point L3599(lines 3599 3611) no Hoare annotation was computed. [2023-11-21 21:02:00,256 INFO L902 garLoopResultBuilder]: At program point L3628(lines 3628 3629) the Hoare annotation is: true [2023-11-21 21:02:00,256 INFO L899 garLoopResultBuilder]: For program point L3595(lines 3595 3598) no Hoare annotation was computed. [2023-11-21 21:02:00,256 INFO L899 garLoopResultBuilder]: For program point L3628-1(lines 3628 3629) no Hoare annotation was computed. [2023-11-21 21:02:00,256 INFO L899 garLoopResultBuilder]: For program point L3591(lines 3591 3594) no Hoare annotation was computed. [2023-11-21 21:02:00,257 INFO L899 garLoopResultBuilder]: For program point L3587(lines 3587 3590) no Hoare annotation was computed. [2023-11-21 21:02:00,257 INFO L899 garLoopResultBuilder]: For program point pg_writeFINAL(lines 3563 3636) no Hoare annotation was computed. [2023-11-21 21:02:00,257 INFO L899 garLoopResultBuilder]: For program point L3583(lines 3583 3586) no Hoare annotation was computed. [2023-11-21 21:02:00,257 INFO L899 garLoopResultBuilder]: For program point L3612(lines 3612 3615) no Hoare annotation was computed. [2023-11-21 21:02:00,257 INFO L902 garLoopResultBuilder]: At program point L3604(line 3604) the Hoare annotation is: true [2023-11-21 21:02:00,257 INFO L899 garLoopResultBuilder]: For program point L3604-1(line 3604) no Hoare annotation was computed. [2023-11-21 21:02:00,258 INFO L899 garLoopResultBuilder]: For program point L3600(lines 3600 3603) no Hoare annotation was computed. [2023-11-21 21:02:00,258 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3563 3636) the Hoare annotation is: true [2023-11-21 21:02:00,258 INFO L902 garLoopResultBuilder]: At program point L3618(line 3618) the Hoare annotation is: true [2023-11-21 21:02:00,258 INFO L899 garLoopResultBuilder]: For program point L3618-1(line 3618) no Hoare annotation was computed. [2023-11-21 21:02:00,258 INFO L899 garLoopResultBuilder]: For program point L3619(lines 3619 3626) no Hoare annotation was computed. [2023-11-21 21:02:00,258 INFO L899 garLoopResultBuilder]: For program point L3264(line 3264) no Hoare annotation was computed. [2023-11-21 21:02:00,258 INFO L902 garLoopResultBuilder]: At program point L3260(line 3260) the Hoare annotation is: true [2023-11-21 21:02:00,259 INFO L902 garLoopResultBuilder]: At program point L3322(line 3322) the Hoare annotation is: true [2023-11-21 21:02:00,259 INFO L899 garLoopResultBuilder]: For program point L3260-1(line 3260) no Hoare annotation was computed. [2023-11-21 21:02:00,259 INFO L899 garLoopResultBuilder]: For program point L3322-1(line 3322) no Hoare annotation was computed. [2023-11-21 21:02:00,259 INFO L902 garLoopResultBuilder]: At program point L3306(line 3306) the Hoare annotation is: true [2023-11-21 21:02:00,259 INFO L899 garLoopResultBuilder]: For program point L3273-1(line 3273) no Hoare annotation was computed. [2023-11-21 21:02:00,259 INFO L902 garLoopResultBuilder]: At program point L3273(line 3273) the Hoare annotation is: true [2023-11-21 21:02:00,260 INFO L899 garLoopResultBuilder]: For program point L3306-1(line 3306) no Hoare annotation was computed. [2023-11-21 21:02:00,260 INFO L902 garLoopResultBuilder]: At program point L3302(line 3302) the Hoare annotation is: true [2023-11-21 21:02:00,260 INFO L899 garLoopResultBuilder]: For program point L3302-1(line 3302) no Hoare annotation was computed. [2023-11-21 21:02:00,260 INFO L899 garLoopResultBuilder]: For program point L3261-1(line 3261) no Hoare annotation was computed. [2023-11-21 21:02:00,260 INFO L902 garLoopResultBuilder]: At program point L3261(line 3261) the Hoare annotation is: true [2023-11-21 21:02:00,260 INFO L899 garLoopResultBuilder]: For program point L3286(line 3286) no Hoare annotation was computed. [2023-11-21 21:02:00,261 INFO L899 garLoopResultBuilder]: For program point L3319(line 3319) no Hoare annotation was computed. [2023-11-21 21:02:00,261 INFO L902 garLoopResultBuilder]: At program point L3315-1(lines 3315 3318) the Hoare annotation is: true [2023-11-21 21:02:00,261 INFO L899 garLoopResultBuilder]: For program point $Ultimate##21(lines 3315 3318) no Hoare annotation was computed. [2023-11-21 21:02:00,261 INFO L899 garLoopResultBuilder]: For program point L3274-4(lines 3274 3278) no Hoare annotation was computed. [2023-11-21 21:02:00,261 INFO L902 garLoopResultBuilder]: At program point ldv_22820(lines 3254 3324) the Hoare annotation is: true [2023-11-21 21:02:00,261 INFO L902 garLoopResultBuilder]: At program point L3262(line 3262) the Hoare annotation is: true [2023-11-21 21:02:00,262 INFO L902 garLoopResultBuilder]: At program point L3262-1(line 3262) the Hoare annotation is: true [2023-11-21 21:02:00,262 INFO L902 garLoopResultBuilder]: At program point L3316(line 3316) the Hoare annotation is: true [2023-11-21 21:02:00,262 INFO L899 garLoopResultBuilder]: For program point L3316-1(line 3316) no Hoare annotation was computed. [2023-11-21 21:02:00,262 INFO L902 garLoopResultBuilder]: At program point ldv_22817(lines 3254 3324) the Hoare annotation is: true [2023-11-21 21:02:00,262 INFO L899 garLoopResultBuilder]: For program point ldv_22819(lines 3254 3324) no Hoare annotation was computed. [2023-11-21 21:02:00,262 INFO L899 garLoopResultBuilder]: For program point $Ultimate##19(lines 3309 3313) no Hoare annotation was computed. [2023-11-21 21:02:00,263 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3244 3325) the Hoare annotation is: true [2023-11-21 21:02:00,263 INFO L899 garLoopResultBuilder]: For program point $Ultimate##12(lines 3289 3293) no Hoare annotation was computed. [2023-11-21 21:02:00,263 INFO L899 garLoopResultBuilder]: For program point pg_resetEXIT(lines 3244 3325) no Hoare annotation was computed. [2023-11-21 21:02:00,263 INFO L899 garLoopResultBuilder]: For program point L3296-2(lines 3254 3324) no Hoare annotation was computed. [2023-11-21 21:02:00,263 INFO L902 garLoopResultBuilder]: At program point L3263(line 3263) the Hoare annotation is: true [2023-11-21 21:02:00,263 INFO L899 garLoopResultBuilder]: For program point L3272(lines 3272 3281) no Hoare annotation was computed. [2023-11-21 21:02:00,263 INFO L899 garLoopResultBuilder]: For program point L3268(lines 3254 3324) no Hoare annotation was computed. [2023-11-21 21:02:00,264 INFO L899 garLoopResultBuilder]: For program point L3301-1(lines 3301 3321) no Hoare annotation was computed. [2023-11-21 21:02:00,264 INFO L902 garLoopResultBuilder]: At program point L3392(line 3392) the Hoare annotation is: true [2023-11-21 21:02:00,264 INFO L899 garLoopResultBuilder]: For program point L3393(lines 3393 3396) no Hoare annotation was computed. [2023-11-21 21:02:00,264 INFO L899 garLoopResultBuilder]: For program point L3392-1(line 3392) no Hoare annotation was computed. [2023-11-21 21:02:00,264 INFO L899 garLoopResultBuilder]: For program point L3388(lines 3388 3391) no Hoare annotation was computed. [2023-11-21 21:02:00,264 INFO L899 garLoopResultBuilder]: For program point L3387-1(line 3387) no Hoare annotation was computed. [2023-11-21 21:02:00,265 INFO L902 garLoopResultBuilder]: At program point L3387(line 3387) the Hoare annotation is: true [2023-11-21 21:02:00,265 INFO L899 garLoopResultBuilder]: For program point pg_identifyEXIT(lines 3365 3406) no Hoare annotation was computed. [2023-11-21 21:02:00,265 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3365 3406) the Hoare annotation is: true [2023-11-21 21:02:00,265 INFO L902 garLoopResultBuilder]: At program point L3400(lines 3400 3401) the Hoare annotation is: true [2023-11-21 21:02:00,265 INFO L902 garLoopResultBuilder]: At program point L3398(line 3398) the Hoare annotation is: true [2023-11-21 21:02:00,265 INFO L899 garLoopResultBuilder]: For program point L3399(line 3399) no Hoare annotation was computed. [2023-11-21 21:02:00,266 INFO L899 garLoopResultBuilder]: For program point L3400-1(lines 3400 3401) no Hoare annotation was computed. [2023-11-21 21:02:00,266 INFO L899 garLoopResultBuilder]: For program point pg_identifyFINAL(lines 3365 3406) no Hoare annotation was computed. [2023-11-21 21:02:00,266 INFO L899 garLoopResultBuilder]: For program point L3397(lines 3397 3403) no Hoare annotation was computed. [2023-11-21 21:02:00,266 INFO L902 garLoopResultBuilder]: At program point L3398-1(line 3398) the Hoare annotation is: true [2023-11-21 21:02:00,266 INFO L899 garLoopResultBuilder]: For program point L3397-2(lines 3397 3403) no Hoare annotation was computed. [2023-11-21 21:02:00,266 INFO L899 garLoopResultBuilder]: For program point pi_write_blockEXIT(lines 4569 4571) no Hoare annotation was computed. [2023-11-21 21:02:00,267 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 4569 4571) the Hoare annotation is: true [2023-11-21 21:02:00,267 INFO L899 garLoopResultBuilder]: For program point pi_initEXIT(lines 4556 4558) no Hoare annotation was computed. [2023-11-21 21:02:00,267 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 4556 4558) the Hoare annotation is: true [2023-11-21 21:02:00,267 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 4563 4565) the Hoare annotation is: true [2023-11-21 21:02:00,267 INFO L899 garLoopResultBuilder]: For program point pi_read_regrEXIT(lines 4563 4565) no Hoare annotation was computed. [2023-11-21 21:02:00,267 INFO L902 garLoopResultBuilder]: At program point might_faultFINAL(lines 4532 4534) the Hoare annotation is: true [2023-11-21 21:02:00,268 INFO L899 garLoopResultBuilder]: For program point might_faultEXIT(lines 4532 4534) no Hoare annotation was computed. [2023-11-21 21:02:00,268 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 4576 4578) the Hoare annotation is: true [2023-11-21 21:02:00,268 INFO L899 garLoopResultBuilder]: For program point printkEXIT(lines 4576 4578) no Hoare annotation was computed. [2023-11-21 21:02:00,268 INFO L899 garLoopResultBuilder]: For program point L3425(lines 3425 3429) no Hoare annotation was computed. [2023-11-21 21:02:00,268 INFO L899 garLoopResultBuilder]: For program point pg_probeEXIT(lines 3407 3441) no Hoare annotation was computed. [2023-11-21 21:02:00,268 INFO L899 garLoopResultBuilder]: For program point L3419-1(line 3419) no Hoare annotation was computed. [2023-11-21 21:02:00,268 INFO L902 garLoopResultBuilder]: At program point L3419(line 3419) the Hoare annotation is: true [2023-11-21 21:02:00,269 INFO L899 garLoopResultBuilder]: For program point L3417(line 3417) no Hoare annotation was computed. [2023-11-21 21:02:00,269 INFO L899 garLoopResultBuilder]: For program point L3413-1(lines 3413 3438) no Hoare annotation was computed. [2023-11-21 21:02:00,269 INFO L899 garLoopResultBuilder]: For program point L3413(lines 3413 3438) no Hoare annotation was computed. [2023-11-21 21:02:00,269 INFO L902 garLoopResultBuilder]: At program point L3434(line 3434) the Hoare annotation is: true [2023-11-21 21:02:00,269 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3407 3441) the Hoare annotation is: true [2023-11-21 21:02:00,269 INFO L902 garLoopResultBuilder]: At program point L3432(line 3432) the Hoare annotation is: true [2023-11-21 21:02:00,270 INFO L902 garLoopResultBuilder]: At program point ldv_22850(lines 3413 3431) the Hoare annotation is: true [2023-11-21 21:02:00,270 INFO L899 garLoopResultBuilder]: For program point L3434-1(line 3434) no Hoare annotation was computed. [2023-11-21 21:02:00,270 INFO L899 garLoopResultBuilder]: For program point L3432-1(line 3432) no Hoare annotation was computed. [2023-11-21 21:02:00,270 INFO L899 garLoopResultBuilder]: For program point L3424(lines 3413 3431) no Hoare annotation was computed. [2023-11-21 21:02:00,270 INFO L899 garLoopResultBuilder]: For program point pg_probeFINAL(lines 3407 3441) no Hoare annotation was computed. [2023-11-21 21:02:00,270 INFO L899 garLoopResultBuilder]: For program point L3418(lines 3418 3422) no Hoare annotation was computed. [2023-11-21 21:02:00,271 INFO L899 garLoopResultBuilder]: For program point L3433(lines 3433 3437) no Hoare annotation was computed. [2023-11-21 21:02:00,271 INFO L899 garLoopResultBuilder]: For program point pi_connectEXIT(lines 4549 4551) no Hoare annotation was computed. [2023-11-21 21:02:00,271 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 4549 4551) the Hoare annotation is: true [2023-11-21 21:02:00,271 INFO L899 garLoopResultBuilder]: For program point L3169-1(line 3169) no Hoare annotation was computed. [2023-11-21 21:02:00,271 INFO L902 garLoopResultBuilder]: At program point L3169(line 3169) the Hoare annotation is: true [2023-11-21 21:02:00,271 INFO L899 garLoopResultBuilder]: For program point L3161-1(line 3161) no Hoare annotation was computed. [2023-11-21 21:02:00,272 INFO L902 garLoopResultBuilder]: At program point L3161(line 3161) the Hoare annotation is: true [2023-11-21 21:02:00,272 INFO L899 garLoopResultBuilder]: For program point pg_commandEXIT(lines 3138 3190) no Hoare annotation was computed. [2023-11-21 21:02:00,272 INFO L899 garLoopResultBuilder]: For program point L3157(lines 3157 3160) no Hoare annotation was computed. [2023-11-21 21:02:00,272 INFO L902 garLoopResultBuilder]: At program point L3153-1(line 3153) the Hoare annotation is: true [2023-11-21 21:02:00,272 INFO L902 garLoopResultBuilder]: At program point L3153(line 3153) the Hoare annotation is: true [2023-11-21 21:02:00,273 INFO L899 garLoopResultBuilder]: For program point fail(lines 3144 3189) no Hoare annotation was computed. [2023-11-21 21:02:00,273 INFO L899 garLoopResultBuilder]: For program point L3182(line 3182) no Hoare annotation was computed. [2023-11-21 21:02:00,273 INFO L899 garLoopResultBuilder]: For program point L3149(lines 3149 3152) no Hoare annotation was computed. [2023-11-21 21:02:00,273 INFO L899 garLoopResultBuilder]: For program point L3145-1(line 3145) no Hoare annotation was computed. [2023-11-21 21:02:00,273 INFO L902 garLoopResultBuilder]: At program point L3145(line 3145) the Hoare annotation is: true [2023-11-21 21:02:00,273 INFO L902 garLoopResultBuilder]: At program point ldv_22796(lines 3168 3183) the Hoare annotation is: true [2023-11-21 21:02:00,274 INFO L899 garLoopResultBuilder]: For program point L3162(lines 3162 3166) no Hoare annotation was computed. [2023-11-21 21:02:00,274 INFO L902 garLoopResultBuilder]: At program point L3154(line 3154) the Hoare annotation is: true [2023-11-21 21:02:00,274 INFO L899 garLoopResultBuilder]: For program point L3187-1(line 3187) no Hoare annotation was computed. [2023-11-21 21:02:00,274 INFO L902 garLoopResultBuilder]: At program point L3187(line 3187) the Hoare annotation is: true [2023-11-21 21:02:00,274 INFO L902 garLoopResultBuilder]: At program point L3146(line 3146) the Hoare annotation is: true [2023-11-21 21:02:00,274 INFO L899 garLoopResultBuilder]: For program point L3146-1(line 3146) no Hoare annotation was computed. [2023-11-21 21:02:00,275 INFO L899 garLoopResultBuilder]: For program point L3167-1(line 3167) no Hoare annotation was computed. [2023-11-21 21:02:00,275 INFO L902 garLoopResultBuilder]: At program point L3167(line 3167) the Hoare annotation is: true [2023-11-21 21:02:00,275 INFO L899 garLoopResultBuilder]: For program point L3163-1(line 3163) no Hoare annotation was computed. [2023-11-21 21:02:00,275 INFO L902 garLoopResultBuilder]: At program point L3163(line 3163) the Hoare annotation is: true [2023-11-21 21:02:00,275 INFO L902 garLoopResultBuilder]: At program point L3155(line 3155) the Hoare annotation is: true [2023-11-21 21:02:00,275 INFO L902 garLoopResultBuilder]: At program point L3147-1(line 3147) the Hoare annotation is: true [2023-11-21 21:02:00,276 INFO L902 garLoopResultBuilder]: At program point L3147(line 3147) the Hoare annotation is: true [2023-11-21 21:02:00,276 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3138 3190) the Hoare annotation is: true [2023-11-21 21:02:00,276 INFO L899 garLoopResultBuilder]: For program point $Ultimate##10(lines 3176 3180) no Hoare annotation was computed. [2023-11-21 21:02:00,276 INFO L899 garLoopResultBuilder]: For program point L3168(lines 3168 3184) no Hoare annotation was computed. [2023-11-21 21:02:00,276 INFO L899 garLoopResultBuilder]: For program point L3168-2(lines 3168 3184) no Hoare annotation was computed. [2023-11-21 21:02:00,276 INFO L899 garLoopResultBuilder]: For program point pg_commandFINAL(lines 3138 3190) no Hoare annotation was computed. [2023-11-21 21:02:00,276 INFO L899 garLoopResultBuilder]: For program point L3156(line 3156) no Hoare annotation was computed. [2023-11-21 21:02:00,277 INFO L899 garLoopResultBuilder]: For program point L3148(line 3148) no Hoare annotation was computed. [2023-11-21 21:02:00,277 INFO L899 garLoopResultBuilder]: For program point L3173-1(line 3173) no Hoare annotation was computed. [2023-11-21 21:02:00,277 INFO L902 garLoopResultBuilder]: At program point L3173(line 3173) the Hoare annotation is: true [2023-11-21 21:02:00,277 INFO L899 garLoopResultBuilder]: For program point _copy_from_userEXIT(lines 4516 4518) no Hoare annotation was computed. [2023-11-21 21:02:00,277 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 4516 4518) the Hoare annotation is: true [2023-11-21 21:02:00,278 INFO L895 garLoopResultBuilder]: At program point L3504(line 3504) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= |ULTIMATE.start_pg_detect_~k~3#1| 0)) [2023-11-21 21:02:00,278 INFO L899 garLoopResultBuilder]: For program point L3537(line 3537) no Hoare annotation was computed. [2023-11-21 21:02:00,278 INFO L899 garLoopResultBuilder]: For program point L4462(lines 4462 4465) no Hoare annotation was computed. [2023-11-21 21:02:00,278 INFO L899 garLoopResultBuilder]: For program point L3471(lines 3471 3474) no Hoare annotation was computed. [2023-11-21 21:02:00,278 INFO L899 garLoopResultBuilder]: For program point L3504-1(line 3504) no Hoare annotation was computed. [2023-11-21 21:02:00,278 INFO L899 garLoopResultBuilder]: For program point L3901(line 3901) no Hoare annotation was computed. [2023-11-21 21:02:00,279 INFO L899 garLoopResultBuilder]: For program point L3902(lines 3902 3933) no Hoare annotation was computed. [2023-11-21 21:02:00,279 INFO L899 garLoopResultBuilder]: For program point L3869(line 3869) no Hoare annotation was computed. [2023-11-21 21:02:00,279 INFO L899 garLoopResultBuilder]: For program point pg_read_returnLabel#1(lines 3637 3696) no Hoare annotation was computed. [2023-11-21 21:02:00,279 INFO L899 garLoopResultBuilder]: For program point L3803(lines 3803 3806) no Hoare annotation was computed. [2023-11-21 21:02:00,279 INFO L899 garLoopResultBuilder]: For program point L3803-2(lines 3803 3806) no Hoare annotation was computed. [2023-11-21 21:02:00,279 INFO L899 garLoopResultBuilder]: For program point L4464-1(lines 4462 4465) no Hoare annotation was computed. [2023-11-21 21:02:00,280 INFO L895 garLoopResultBuilder]: At program point L4497(line 4497) the Hoare annotation is: false [2023-11-21 21:02:00,280 INFO L895 garLoopResultBuilder]: At program point L4464(line 4464) the Hoare annotation is: false [2023-11-21 21:02:00,280 INFO L899 garLoopResultBuilder]: For program point L4497-1(lines 4480 4501) no Hoare annotation was computed. [2023-11-21 21:02:00,280 INFO L899 garLoopResultBuilder]: For program point L3870(lines 3870 3874) no Hoare annotation was computed. [2023-11-21 21:02:00,280 INFO L895 garLoopResultBuilder]: At program point L3804(line 3804) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_state_variable_1~0 0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2023-11-21 21:02:00,280 INFO L899 garLoopResultBuilder]: For program point L3804-1(line 3804) no Hoare annotation was computed. [2023-11-21 21:02:00,281 INFO L899 garLoopResultBuilder]: For program point L3771(lines 3707 3774) no Hoare annotation was computed. [2023-11-21 21:02:00,281 INFO L899 garLoopResultBuilder]: For program point L3540(lines 3540 3546) no Hoare annotation was computed. [2023-11-21 21:02:00,281 INFO L895 garLoopResultBuilder]: At program point L3541-1(line 3541) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_pg_mutex~0 2)) [2023-11-21 21:02:00,281 INFO L895 garLoopResultBuilder]: At program point L3541(line 3541) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_pg_mutex~0 2)) [2023-11-21 21:02:00,281 INFO L899 garLoopResultBuilder]: For program point L3475-1(lines 3475 3476) no Hoare annotation was computed. [2023-11-21 21:02:00,282 INFO L895 garLoopResultBuilder]: At program point L3475(lines 3475 3476) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2023-11-21 21:02:00,282 INFO L899 garLoopResultBuilder]: For program point L3905(line 3905) no Hoare annotation was computed. [2023-11-21 21:02:00,282 INFO L899 garLoopResultBuilder]: For program point L3542(line 3542) no Hoare annotation was computed. [2023-11-21 21:02:00,282 INFO L899 garLoopResultBuilder]: For program point L3906(lines 3906 3911) no Hoare annotation was computed. [2023-11-21 21:02:00,282 INFO L899 garLoopResultBuilder]: For program point L3708(lines 3708 3712) no Hoare annotation was computed. [2023-11-21 21:02:00,283 INFO L899 garLoopResultBuilder]: For program point L3477(lines 3477 3486) no Hoare annotation was computed. [2023-11-21 21:02:00,283 INFO L895 garLoopResultBuilder]: At program point L3478(line 3478) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2023-11-21 21:02:00,283 INFO L899 garLoopResultBuilder]: For program point L3478-1(line 3478) no Hoare annotation was computed. [2023-11-21 21:02:00,283 INFO L899 garLoopResultBuilder]: For program point L3842(lines 3837 3943) no Hoare annotation was computed. [2023-11-21 21:02:00,283 INFO L895 garLoopResultBuilder]: At program point L4503(line 4503) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2023-11-21 21:02:00,284 INFO L899 garLoopResultBuilder]: For program point L4503-1(line 4503) no Hoare annotation was computed. [2023-11-21 21:02:00,284 INFO L899 garLoopResultBuilder]: For program point L3479(lines 3479 3484) no Hoare annotation was computed. [2023-11-21 21:02:00,284 INFO L899 garLoopResultBuilder]: For program point L4404(lines 4404 4407) no Hoare annotation was computed. [2023-11-21 21:02:00,284 INFO L899 garLoopResultBuilder]: For program point L3876(line 3876) no Hoare annotation was computed. [2023-11-21 21:02:00,284 INFO L899 garLoopResultBuilder]: For program point L4009-1(lines 4005 4012) no Hoare annotation was computed. [2023-11-21 21:02:00,285 INFO L895 garLoopResultBuilder]: At program point L4009(line 4009) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_pg_mutex~0 2)) [2023-11-21 21:02:00,285 INFO L895 garLoopResultBuilder]: At program point L4406(line 4406) the Hoare annotation is: false [2023-11-21 21:02:00,285 INFO L899 garLoopResultBuilder]: For program point L4406-1(lines 4404 4407) no Hoare annotation was computed. [2023-11-21 21:02:00,285 INFO L899 garLoopResultBuilder]: For program point L3845(line 3845) no Hoare annotation was computed. [2023-11-21 21:02:00,285 INFO L899 garLoopResultBuilder]: For program point L3746(lines 3746 3751) no Hoare annotation was computed. [2023-11-21 21:02:00,285 INFO L895 garLoopResultBuilder]: At program point L3680(line 3680) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2023-11-21 21:02:00,286 INFO L899 garLoopResultBuilder]: For program point L3680-1(line 3680) no Hoare annotation was computed. [2023-11-21 21:02:00,286 INFO L899 garLoopResultBuilder]: For program point L3548(lines 3515 3551) no Hoare annotation was computed. [2023-11-21 21:02:00,286 INFO L899 garLoopResultBuilder]: For program point main_ldv_final#1(lines 3837 3943) no Hoare annotation was computed. [2023-11-21 21:02:00,286 INFO L899 garLoopResultBuilder]: For program point L3846(lines 3846 3899) no Hoare annotation was computed. [2023-11-21 21:02:00,286 INFO L899 garLoopResultBuilder]: For program point L3648(lines 3648 3651) no Hoare annotation was computed. [2023-11-21 21:02:00,286 INFO L899 garLoopResultBuilder]: For program point L3681(lines 3681 3684) no Hoare annotation was computed. [2023-11-21 21:02:00,287 INFO L899 garLoopResultBuilder]: For program point L3483-1(line 3483) no Hoare annotation was computed. [2023-11-21 21:02:00,287 INFO L895 garLoopResultBuilder]: At program point L3483(line 3483) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2023-11-21 21:02:00,287 INFO L899 garLoopResultBuilder]: For program point L3913(line 3913) no Hoare annotation was computed. [2023-11-21 21:02:00,287 INFO L899 garLoopResultBuilder]: For program point L3715(lines 3715 3719) no Hoare annotation was computed. [2023-11-21 21:02:00,287 INFO L899 garLoopResultBuilder]: For program point L3914(lines 3914 3926) no Hoare annotation was computed. [2023-11-21 21:02:00,287 INFO L899 garLoopResultBuilder]: For program point L3849(line 3849) no Hoare annotation was computed. [2023-11-21 21:02:00,288 INFO L899 garLoopResultBuilder]: For program point L3453-1(line 3453) no Hoare annotation was computed. [2023-11-21 21:02:00,288 INFO L895 garLoopResultBuilder]: At program point L3453(line 3453) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2023-11-21 21:02:00,288 INFO L899 garLoopResultBuilder]: For program point L3850(lines 3850 3854) no Hoare annotation was computed. [2023-11-21 21:02:00,288 INFO L899 garLoopResultBuilder]: For program point L3916-2(lines 3914 3925) no Hoare annotation was computed. [2023-11-21 21:02:00,288 INFO L899 garLoopResultBuilder]: For program point L3883(line 3883) no Hoare annotation was computed. [2023-11-21 21:02:00,289 INFO L899 garLoopResultBuilder]: For program point L3850-2(lines 3848 3896) no Hoare annotation was computed. [2023-11-21 21:02:00,289 INFO L899 garLoopResultBuilder]: For program point L3652(lines 3652 3655) no Hoare annotation was computed. [2023-11-21 21:02:00,289 INFO L899 garLoopResultBuilder]: For program point L3685(lines 3685 3693) no Hoare annotation was computed. [2023-11-21 21:02:00,289 INFO L899 garLoopResultBuilder]: For program point L3685-2(lines 3685 3693) no Hoare annotation was computed. [2023-11-21 21:02:00,289 INFO L899 garLoopResultBuilder]: For program point L3487(lines 3466 3497) no Hoare annotation was computed. [2023-11-21 21:02:00,289 INFO L899 garLoopResultBuilder]: For program point L3884(lines 3884 3892) no Hoare annotation was computed. [2023-11-21 21:02:00,289 INFO L899 garLoopResultBuilder]: For program point L3851-1(line 3851) no Hoare annotation was computed. [2023-11-21 21:02:00,290 INFO L895 garLoopResultBuilder]: At program point L3851(line 3851) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2023-11-21 21:02:00,290 INFO L895 garLoopResultBuilder]: At program point L3686(lines 3686 3687) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2023-11-21 21:02:00,290 INFO L899 garLoopResultBuilder]: For program point L3686-1(lines 3686 3687) no Hoare annotation was computed. [2023-11-21 21:02:00,290 INFO L899 garLoopResultBuilder]: For program point L3521-2(lines 3521 3525) no Hoare annotation was computed. [2023-11-21 21:02:00,290 INFO L899 garLoopResultBuilder]: For program point L3455(lines 3455 3499) no Hoare annotation was computed. [2023-11-21 21:02:00,291 INFO L899 garLoopResultBuilder]: For program point L4017-1(lines 4013 4020) no Hoare annotation was computed. [2023-11-21 21:02:00,291 INFO L895 garLoopResultBuilder]: At program point L4017(line 4017) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2023-11-21 21:02:00,291 INFO L895 garLoopResultBuilder]: At program point L3456(lines 3456 3457) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= |ULTIMATE.start_pg_detect_~k~3#1| 0)) [2023-11-21 21:02:00,291 INFO L899 garLoopResultBuilder]: For program point L3456-1(lines 3456 3457) no Hoare annotation was computed. [2023-11-21 21:02:00,291 INFO L899 garLoopResultBuilder]: For program point L3688(lines 3688 3691) no Hoare annotation was computed. [2023-11-21 21:02:00,292 INFO L899 garLoopResultBuilder]: For program point L3721(lines 3721 3741) no Hoare annotation was computed. [2023-11-21 21:02:00,292 INFO L895 garLoopResultBuilder]: At program point L3028(line 3028) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2023-11-21 21:02:00,292 INFO L899 garLoopResultBuilder]: For program point L3028-1(line 3028) no Hoare annotation was computed. [2023-11-21 21:02:00,292 INFO L895 garLoopResultBuilder]: At program point L3722(line 3722) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2023-11-21 21:02:00,292 INFO L899 garLoopResultBuilder]: For program point L3722-1(line 3722) no Hoare annotation was computed. [2023-11-21 21:02:00,293 INFO L899 garLoopResultBuilder]: For program point L3458(lines 3458 3497) no Hoare annotation was computed. [2023-11-21 21:02:00,293 INFO L899 garLoopResultBuilder]: For program point L3756(lines 3756 3759) no Hoare annotation was computed. [2023-11-21 21:02:00,293 INFO L899 garLoopResultBuilder]: For program point L3756-2(lines 3756 3759) no Hoare annotation was computed. [2023-11-21 21:02:00,293 INFO L899 garLoopResultBuilder]: For program point L3657-1(line 3657) no Hoare annotation was computed. [2023-11-21 21:02:00,293 INFO L895 garLoopResultBuilder]: At program point L3657(line 3657) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2023-11-21 21:02:00,293 INFO L899 garLoopResultBuilder]: For program point L4483(lines 4483 4486) no Hoare annotation was computed. [2023-11-21 21:02:00,293 INFO L899 garLoopResultBuilder]: For program point L3459-1(line 3459) no Hoare annotation was computed. [2023-11-21 21:02:00,294 INFO L895 garLoopResultBuilder]: At program point L3459(line 3459) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= |ULTIMATE.start_pg_detect_~k~3#1| 0)) [2023-11-21 21:02:00,294 INFO L895 garLoopResultBuilder]: At program point L3856(line 3856) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2023-11-21 21:02:00,294 INFO L899 garLoopResultBuilder]: For program point L3856-1(line 3856) no Hoare annotation was computed. [2023-11-21 21:02:00,294 INFO L899 garLoopResultBuilder]: For program point L3658(lines 3658 3664) no Hoare annotation was computed. [2023-11-21 21:02:00,294 INFO L899 garLoopResultBuilder]: For program point L3658-2(lines 3658 3664) no Hoare annotation was computed. [2023-11-21 21:02:00,295 INFO L899 garLoopResultBuilder]: For program point L3559-1(line 3559) no Hoare annotation was computed. [2023-11-21 21:02:00,295 INFO L895 garLoopResultBuilder]: At program point L3559(line 3559) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2023-11-21 21:02:00,295 INFO L899 garLoopResultBuilder]: For program point L3460(lines 3460 3465) no Hoare annotation was computed. [2023-11-21 21:02:00,295 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-21 21:02:00,295 INFO L899 garLoopResultBuilder]: For program point L3659-4(lines 3659 3662) no Hoare annotation was computed. [2023-11-21 21:02:00,295 INFO L899 garLoopResultBuilder]: For program point L3527(lines 3527 3531) no Hoare annotation was computed. [2023-11-21 21:02:00,296 INFO L895 garLoopResultBuilder]: At program point L4485(line 4485) the Hoare annotation is: false [2023-11-21 21:02:00,296 INFO L899 garLoopResultBuilder]: For program point L4485-1(lines 4482 4500) no Hoare annotation was computed. [2023-11-21 21:02:00,296 INFO L899 garLoopResultBuilder]: For program point L2933-1(line 2933) no Hoare annotation was computed. [2023-11-21 21:02:00,296 INFO L895 garLoopResultBuilder]: At program point L2933(line 2933) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_pg_mutex~0 2)) [2023-11-21 21:02:00,296 INFO L895 garLoopResultBuilder]: At program point L3033-1(line 3033) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2023-11-21 21:02:00,297 INFO L899 garLoopResultBuilder]: For program point L2835-1(line 2835) no Hoare annotation was computed. [2023-11-21 21:02:00,297 INFO L895 garLoopResultBuilder]: At program point L2835(line 2835) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2023-11-21 21:02:00,297 INFO L899 garLoopResultBuilder]: For program point L3727(lines 3727 3730) no Hoare annotation was computed. [2023-11-21 21:02:00,297 INFO L899 garLoopResultBuilder]: For program point L3727-2(lines 3727 3730) no Hoare annotation was computed. [2023-11-21 21:02:00,297 INFO L895 garLoopResultBuilder]: At program point pg_init_out_chrdev#1(lines 3707 3774) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2023-11-21 21:02:00,298 INFO L895 garLoopResultBuilder]: At program point L3728(line 3728) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2023-11-21 21:02:00,298 INFO L899 garLoopResultBuilder]: For program point L3728-1(line 3728) no Hoare annotation was computed. [2023-11-21 21:02:00,298 INFO L895 garLoopResultBuilder]: At program point L3464(line 3464) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= |ULTIMATE.start_pg_detect_~k~3#1| 0)) [2023-11-21 21:02:00,298 INFO L899 garLoopResultBuilder]: For program point $Ultimate##142(lines 3491 3495) no Hoare annotation was computed. [2023-11-21 21:02:00,298 INFO L899 garLoopResultBuilder]: For program point L3464-1(line 3464) no Hoare annotation was computed. [2023-11-21 21:02:00,298 INFO L899 garLoopResultBuilder]: For program point $Ultimate##145(lines 3500 3503) no Hoare annotation was computed. [2023-11-21 21:02:00,299 INFO L899 garLoopResultBuilder]: For program point L3861(line 3861) no Hoare annotation was computed. [2023-11-21 21:02:00,299 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-21 21:02:00,299 INFO L899 garLoopResultBuilder]: For program point $Ultimate##154(lines 3733 3737) no Hoare annotation was computed. [2023-11-21 21:02:00,299 INFO L895 garLoopResultBuilder]: At program point L4489(line 4489) the Hoare annotation is: false [2023-11-21 21:02:00,299 INFO L899 garLoopResultBuilder]: For program point L4489-1(lines 4482 4500) no Hoare annotation was computed. [2023-11-21 21:02:00,299 INFO L899 garLoopResultBuilder]: For program point L3862(lines 3862 3867) no Hoare annotation was computed. [2023-11-21 21:02:00,300 INFO L899 garLoopResultBuilder]: For program point L3532(lines 3532 3536) no Hoare annotation was computed. [2023-11-21 21:02:00,300 INFO L895 garLoopResultBuilder]: At program point L3532-2(lines 3532 3536) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_pg_mutex~0 2)) [2023-11-21 21:02:00,300 INFO L899 garLoopResultBuilder]: For program point $Ultimate##167(lines 3762 3766) no Hoare annotation was computed. [2023-11-21 21:02:00,300 INFO L899 garLoopResultBuilder]: For program point L3533-1(line 3533) no Hoare annotation was computed. [2023-11-21 21:02:00,300 INFO L895 garLoopResultBuilder]: At program point L3533(line 3533) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_pg_mutex~0 2)) [2023-11-21 21:02:00,300 INFO L899 garLoopResultBuilder]: For program point pg_detect_returnLabel#1(lines 3442 3507) no Hoare annotation was computed. [2023-11-21 21:02:00,301 INFO L895 garLoopResultBuilder]: At program point L-1-2(line -1) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2023-11-21 21:02:00,301 INFO L895 garLoopResultBuilder]: At program point L3798(line 3798) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2023-11-21 21:02:00,301 INFO L899 garLoopResultBuilder]: For program point L3798-1(line 3798) no Hoare annotation was computed. [2023-11-21 21:02:00,301 INFO L899 garLoopResultBuilder]: For program point $Ultimate##106(lines 3791 3795) no Hoare annotation was computed. [2023-11-21 21:02:00,301 INFO L895 garLoopResultBuilder]: At program point L4493(line 4493) the Hoare annotation is: false [2023-11-21 21:02:00,302 INFO L899 garLoopResultBuilder]: For program point L4493-1(lines 4482 4500) no Hoare annotation was computed. [2023-11-21 21:02:00,302 INFO L899 garLoopResultBuilder]: For program point $Ultimate##111(lines 3809 3813) no Hoare annotation was computed. [2023-11-21 21:02:00,302 INFO L895 garLoopResultBuilder]: At program point L4527(line 4527) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2023-11-21 21:02:00,302 INFO L899 garLoopResultBuilder]: For program point L4527-1(line 4527) no Hoare annotation was computed. [2023-11-21 21:02:00,302 INFO L899 garLoopResultBuilder]: For program point $Ultimate##125(lines 3040 3044) no Hoare annotation was computed. [2023-11-21 21:02:00,302 INFO L899 garLoopResultBuilder]: For program point xsEXIT(lines 3326 3364) no Hoare annotation was computed. [2023-11-21 21:02:00,303 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3326 3364) the Hoare annotation is: true [2023-11-21 21:02:00,303 INFO L899 garLoopResultBuilder]: For program point $Ultimate##5(lines 3351 3355) no Hoare annotation was computed. [2023-11-21 21:02:00,306 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:02:00,309 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 21:02:00,343 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~ldv_mutex_mutex_of_device~0 [2023-11-21 21:02:00,343 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~disable~0 [2023-11-21 21:02:00,344 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~ldv_mutex_lock~0 [2023-11-21 21:02:00,344 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~ldv_mutex_pg_mutex~0 [2023-11-21 21:02:00,344 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 [2023-11-21 21:02:00,344 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 09:02:00 BoogieIcfgContainer [2023-11-21 21:02:00,344 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 21:02:00,345 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 21:02:00,345 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 21:02:00,345 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 21:02:00,349 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:01:41" (3/4) ... [2023-11-21 21:02:00,352 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 21:02:00,356 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure copy_from_user [2023-11-21 21:02:00,356 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_release [2023-11-21 21:02:00,357 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_init [2023-11-21 21:02:00,357 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure write_reg [2023-11-21 21:02:00,357 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_sleep [2023-11-21 21:02:00,357 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_read_regr [2023-11-21 21:02:00,357 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure might_fault [2023-11-21 21:02:00,357 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2023-11-21 21:02:00,357 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_disconnect [2023-11-21 21:02:00,358 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_probe [2023-11-21 21:02:00,358 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure status_reg [2023-11-21 21:02:00,358 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_completion [2023-11-21 21:02:00,358 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_unregister_chrdev_11 [2023-11-21 21:02:00,358 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure DRIVE [2023-11-21 21:02:00,358 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_unlock [2023-11-21 21:02:00,358 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure copy_to_user [2023-11-21 21:02:00,359 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_wait [2023-11-21 21:02:00,359 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2023-11-21 21:02:00,359 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_write [2023-11-21 21:02:00,359 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_connect [2023-11-21 21:02:00,359 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_command [2023-11-21 21:02:00,359 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2023-11-21 21:02:00,360 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure clear_bit [2023-11-21 21:02:00,360 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_reg [2023-11-21 21:02:00,360 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_reset [2023-11-21 21:02:00,360 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2023-11-21 21:02:00,360 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_lock [2023-11-21 21:02:00,360 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure _copy_from_user [2023-11-21 21:02:00,361 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure xs [2023-11-21 21:02:00,361 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_identify [2023-11-21 21:02:00,361 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_write_block [2023-11-21 21:02:00,403 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 318 nodes and edges [2023-11-21 21:02:00,407 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 114 nodes and edges [2023-11-21 21:02:00,412 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 37 nodes and edges [2023-11-21 21:02:00,416 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-11-21 21:02:00,420 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-21 21:02:00,424 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-21 21:02:00,429 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 21:02:00,487 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!((ldv_mutex_lock == 1)) || !((ldv_mutex_pg_mutex == 1))) || !((1 == ldv_mutex_mutex_of_device))) || !((ldv_mutex_cred_guard_mutex_of_signal_struct == 1))) || !((disable == 0))) || (ldv_state_variable_1 == \old(ldv_state_variable_1))) [2023-11-21 21:02:00,708 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!((ldv_mutex_lock == 1)) || !((ldv_mutex_pg_mutex == 1))) || !((1 == ldv_mutex_mutex_of_device))) || !((ldv_mutex_cred_guard_mutex_of_signal_struct == 1))) || !((disable == 0))) || (ldv_state_variable_1 == \old(ldv_state_variable_1))) [2023-11-21 21:02:00,775 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5035a1b6-1932-4c69-a55d-05ea4d626c1e/bin/uautomizer-verify-bycVGegfSx/witness.graphml [2023-11-21 21:02:00,776 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5035a1b6-1932-4c69-a55d-05ea4d626c1e/bin/uautomizer-verify-bycVGegfSx/witness.yml [2023-11-21 21:02:00,777 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 21:02:00,777 INFO L158 Benchmark]: Toolchain (without parser) took 24527.04ms. Allocated memory was 140.5MB in the beginning and 383.8MB in the end (delta: 243.3MB). Free memory was 94.9MB in the beginning and 302.0MB in the end (delta: -207.1MB). Peak memory consumption was 242.0MB. Max. memory is 16.1GB. [2023-11-21 21:02:00,778 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 140.5MB. Free memory is still 111.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 21:02:00,778 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1687.74ms. Allocated memory was 140.5MB in the beginning and 186.6MB in the end (delta: 46.1MB). Free memory was 94.9MB in the beginning and 122.0MB in the end (delta: -27.1MB). Peak memory consumption was 60.2MB. Max. memory is 16.1GB. [2023-11-21 21:02:00,779 INFO L158 Benchmark]: Boogie Procedure Inliner took 196.70ms. Allocated memory is still 186.6MB. Free memory was 122.0MB in the beginning and 112.6MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 21:02:00,779 INFO L158 Benchmark]: Boogie Preprocessor took 271.10ms. Allocated memory is still 186.6MB. Free memory was 112.6MB in the beginning and 92.8MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-21 21:02:00,780 INFO L158 Benchmark]: RCFGBuilder took 3303.00ms. Allocated memory was 186.6MB in the beginning and 264.2MB in the end (delta: 77.6MB). Free memory was 92.8MB in the beginning and 141.3MB in the end (delta: -48.4MB). Peak memory consumption was 42.6MB. Max. memory is 16.1GB. [2023-11-21 21:02:00,781 INFO L158 Benchmark]: TraceAbstraction took 18628.27ms. Allocated memory was 264.2MB in the beginning and 383.8MB in the end (delta: 119.5MB). Free memory was 141.3MB in the beginning and 112.2MB in the end (delta: 29.1MB). Peak memory consumption was 162.3MB. Max. memory is 16.1GB. [2023-11-21 21:02:00,781 INFO L158 Benchmark]: Witness Printer took 431.79ms. Allocated memory is still 383.8MB. Free memory was 112.2MB in the beginning and 302.0MB in the end (delta: -189.8MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2023-11-21 21:02:00,784 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 140.5MB. Free memory is still 111.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1687.74ms. Allocated memory was 140.5MB in the beginning and 186.6MB in the end (delta: 46.1MB). Free memory was 94.9MB in the beginning and 122.0MB in the end (delta: -27.1MB). Peak memory consumption was 60.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 196.70ms. Allocated memory is still 186.6MB. Free memory was 122.0MB in the beginning and 112.6MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 271.10ms. Allocated memory is still 186.6MB. Free memory was 112.6MB in the beginning and 92.8MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * RCFGBuilder took 3303.00ms. Allocated memory was 186.6MB in the beginning and 264.2MB in the end (delta: 77.6MB). Free memory was 92.8MB in the beginning and 141.3MB in the end (delta: -48.4MB). Peak memory consumption was 42.6MB. Max. memory is 16.1GB. * TraceAbstraction took 18628.27ms. Allocated memory was 264.2MB in the beginning and 383.8MB in the end (delta: 119.5MB). Free memory was 141.3MB in the beginning and 112.2MB in the end (delta: 29.1MB). Peak memory consumption was 162.3MB. Max. memory is 16.1GB. * Witness Printer took 431.79ms. Allocated memory is still 383.8MB. Free memory was 112.2MB in the beginning and 302.0MB in the end (delta: -189.8MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 2808]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [2808] - GenericResultAtLocation [Line: 2815]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [2815-2816] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~ldv_mutex_mutex_of_device~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~disable~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~ldv_mutex_lock~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~ldv_mutex_pg_mutex~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 4044]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 32 procedures, 379 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 18.5s, OverallIterations: 11, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3693 SdHoareTripleChecker+Valid, 5.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3607 mSDsluCounter, 7519 SdHoareTripleChecker+Invalid, 5.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2577 mSDsCounter, 214 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2131 IncrementalHoareTripleChecker+Invalid, 2345 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 214 mSolverCounterUnsat, 4942 mSDtfsCounter, 2131 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 370 GetRequests, 343 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=921occurred in iteration=10, InterpolantAutomatonStates: 35, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 11 MinimizatonAttempts, 30 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 135 LocationsWithAnnotation, 3639 PreInvPairs, 3687 NumberOfFragments, 701 HoareAnnotationTreeSize, 3639 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 135 FomulaSimplificationsInter, 13166 FormulaSimplificationTreeSizeReductionInter, 1.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 643 NumberOfCodeBlocks, 643 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 625 ConstructedInterpolants, 0 QuantifiedInterpolants, 1013 SizeOfPredicates, 0 NumberOfNonLiveVariables, 6213 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 18 InterpolantComputations, 11 PerfectInterpolantSequences, 57/64 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 3707]: Loop Invariant Derived loop invariant: ((((((ldv_state_variable_0 == 1) && (1 == ldv_mutex_mutex_of_device)) && (disable == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_pg_mutex == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - InvariantResult [Line: 3092]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3033]: Loop Invariant Derived loop invariant: ((((((ldv_state_variable_0 == 1) && (1 == ldv_mutex_mutex_of_device)) && (disable == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_pg_mutex == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - InvariantResult [Line: 2921]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4032]: Loop Invariant Derived loop invariant: (((((!((ldv_mutex_lock == 1)) || !((ldv_mutex_pg_mutex == 1))) || !((1 == ldv_mutex_mutex_of_device))) || !((ldv_mutex_cred_guard_mutex_of_signal_struct == 1))) || !((disable == 0))) || (ldv_state_variable_1 == \old(ldv_state_variable_1))) - InvariantResult [Line: 3254]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3201]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3063]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3201]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3076]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3413]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 3254]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3168]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-21 21:02:00,836 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5035a1b6-1932-4c69-a55d-05ea4d626c1e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE