./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-misc-c2port-core.ko.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-misc-c2port-core.ko.cil.out.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux --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 623160d4598cd0ad84c7dc43ec65a6f971cb966f22ee32963f1c0c6e1de756e1 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 14:50:57,691 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 14:50:57,753 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-11 14:50:57,760 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 14:50:57,762 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 14:50:57,789 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 14:50:57,789 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 14:50:57,790 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 14:50:57,792 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 14:50:57,794 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 14:50:57,794 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 14:50:57,795 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 14:50:57,796 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 14:50:57,798 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 14:50:57,798 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 14:50:57,799 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 14:50:57,799 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 14:50:57,799 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 14:50:57,800 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 14:50:57,800 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 14:50:57,800 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 14:50:57,804 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 14:50:57,805 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 14:50:57,805 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 14:50:57,805 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 14:50:57,805 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 14:50:57,805 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 14:50:57,806 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 14:50:57,806 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 14:50:57,806 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 14:50:57,806 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 14:50:57,806 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 14:50:57,807 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 14:50:57,807 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 14:50:57,807 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 14:50:57,807 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 14:50:57,807 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 14:50:57,808 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 14:50:57,808 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 14:50:57,808 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:/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 623160d4598cd0ad84c7dc43ec65a6f971cb966f22ee32963f1c0c6e1de756e1 [2024-10-11 14:50:58,050 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 14:50:58,075 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 14:50:58,078 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 14:50:58,080 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 14:50:58,081 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 14:50:58,082 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-misc-c2port-core.ko.cil.out.i [2024-10-11 14:50:59,521 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 14:50:59,910 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 14:50:59,911 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-misc-c2port-core.ko.cil.out.i [2024-10-11 14:50:59,954 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/1c7c97a7b/5c17699b24b648dda388f61a2c8d1078/FLAGd91e8cf07 [2024-10-11 14:50:59,969 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/1c7c97a7b/5c17699b24b648dda388f61a2c8d1078 [2024-10-11 14:50:59,972 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 14:50:59,973 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 14:50:59,975 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 14:50:59,975 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 14:50:59,981 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 14:50:59,982 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:50:59" (1/1) ... [2024-10-11 14:50:59,984 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a60b788 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:50:59, skipping insertion in model container [2024-10-11 14:50:59,985 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:50:59" (1/1) ... [2024-10-11 14:51:00,121 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 14:51:01,052 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-misc-c2port-core.ko.cil.out.i[148506,148519] [2024-10-11 14:51:01,104 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 14:51:01,146 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 14:51:01,228 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n" ".pushsection __bug_table,\"a\"\n" "2:\t.long 1b - 2b, %c0 - 2b\n" "\t.word %c1, 0\n" "\t.org 2b+%c2\n" ".popsection": : "i" ("/anthill/stuff/tacas-comp/inst/current/envs/linux-3.0.1/linux-3.0.1/arch/x86/include/asm/paravirt.h"), "i" (863), "i" (sizeof(struct bug_entry ))); [3395-3401] [2024-10-11 14:51:01,231 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("" "771:\n\t" "call *%c[paravirt_opptr];" "\n" "772:\n" ".pushsection .parainstructions,\"a\"\n" " " ".balign 8" " " "\n" " " ".quad" " " " 771b\n" " .byte " "%c[paravirt_typenum]" "\n" " .byte 772b-771b\n" " .short " "%c[paravirt_clobber]" "\n" ".popsection\n" "": "=a" (__eax): [paravirt_typenum] "i" ((unsigned long )((unsigned int )(& ((struct paravirt_patch_template *)0)->pv_irq_ops.irq_disable.func)) / sizeof(void *)), [paravirt_opptr] "i" (& pv_irq_ops.irq_disable.func), [paravirt_clobber] "i" (1): "memory", "cc"); [3420-3444] [2024-10-11 14:51:01,233 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n" ".pushsection __bug_table,\"a\"\n" "2:\t.long 1b - 2b, %c0 - 2b\n" "\t.word %c1, 0\n" "\t.org 2b+%c2\n" ".popsection": : "i" ("/anthill/stuff/tacas-comp/inst/current/envs/linux-3.0.1/linux-3.0.1/arch/x86/include/asm/paravirt.h"), "i" (868), "i" (sizeof(struct bug_entry ))); [3474-3480] [2024-10-11 14:51:01,234 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("" "771:\n\t" "call *%c[paravirt_opptr];" "\n" "772:\n" ".pushsection .parainstructions,\"a\"\n" " " ".balign 8" " " "\n" " " ".quad" " " " 771b\n" " .byte " "%c[paravirt_typenum]" "\n" " .byte 772b-771b\n" " .short " "%c[paravirt_clobber]" "\n" ".popsection\n" "": "=a" (__eax): [paravirt_typenum] "i" ((unsigned long )((unsigned int )(& ((struct paravirt_patch_template *)0)->pv_irq_ops.irq_enable.func)) / sizeof(void *)), [paravirt_opptr] "i" (& pv_irq_ops.irq_enable.func), [paravirt_clobber] "i" (1): "memory", "cc"); [3499-3523] [2024-10-11 14:51:01,360 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-misc-c2port-core.ko.cil.out.i[148506,148519] [2024-10-11 14:51:01,366 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 14:51:01,507 INFO L204 MainTranslator]: Completed translation [2024-10-11 14:51:01,508 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:51:01 WrapperNode [2024-10-11 14:51:01,508 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 14:51:01,509 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 14:51:01,509 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 14:51:01,509 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 14:51:01,515 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:51:01" (1/1) ... [2024-10-11 14:51:01,568 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:51:01" (1/1) ... [2024-10-11 14:51:01,639 INFO L138 Inliner]: procedures = 103, calls = 783, calls flagged for inlining = 28, calls inlined = 10, statements flattened = 1009 [2024-10-11 14:51:01,643 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 14:51:01,644 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 14:51:01,644 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 14:51:01,645 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 14:51:01,657 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:51:01" (1/1) ... [2024-10-11 14:51:01,658 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:51:01" (1/1) ... [2024-10-11 14:51:01,672 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:51:01" (1/1) ... [2024-10-11 14:51:01,772 INFO L175 MemorySlicer]: Split 361 memory accesses to 15 slices as follows [9, 2, 16, 8, 48, 8, 1, 32, 183, 14, 2, 7, 7, 10, 14]. 51 percent of accesses are in the largest equivalence class. The 288 initializations are split as follows [0, 2, 16, 8, 48, 8, 0, 32, 143, 0, 0, 0, 7, 10, 14]. The 7 writes are split as follows [3, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 3, 0, 0, 0]. [2024-10-11 14:51:01,774 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:51:01" (1/1) ... [2024-10-11 14:51:01,778 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:51:01" (1/1) ... [2024-10-11 14:51:01,824 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:51:01" (1/1) ... [2024-10-11 14:51:01,838 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:51:01" (1/1) ... [2024-10-11 14:51:01,859 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:51:01" (1/1) ... [2024-10-11 14:51:01,875 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:51:01" (1/1) ... [2024-10-11 14:51:01,896 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 14:51:01,897 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 14:51:01,897 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 14:51:01,897 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 14:51:01,898 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:51:01" (1/1) ... [2024-10-11 14:51:01,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 14:51:01,917 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 14:51:01,934 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 14:51:01,936 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 14:51:01,980 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2024-10-11 14:51:01,980 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2024-10-11 14:51:01,980 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_disable [2024-10-11 14:51:01,980 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_disable [2024-10-11 14:51:01,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-11 14:51:01,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-11 14:51:01,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-11 14:51:01,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-11 14:51:01,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-11 14:51:01,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-11 14:51:01,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-11 14:51:01,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-11 14:51:01,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-11 14:51:01,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-11 14:51:01,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-11 14:51:01,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-11 14:51:01,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-10-11 14:51:01,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-10-11 14:51:01,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-10-11 14:51:01,983 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_read_dr [2024-10-11 14:51:01,983 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_read_dr [2024-10-11 14:51:01,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-10-11 14:51:01,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-10-11 14:51:01,983 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_write_ar [2024-10-11 14:51:01,983 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_write_ar [2024-10-11 14:51:01,983 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2024-10-11 14:51:01,983 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2024-10-11 14:51:01,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-11 14:51:01,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-11 14:51:01,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-11 14:51:01,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-11 14:51:01,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-11 14:51:01,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-11 14:51:01,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-11 14:51:01,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-11 14:51:01,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-11 14:51:01,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-11 14:51:01,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-11 14:51:01,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-11 14:51:01,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-10-11 14:51:01,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-10-11 14:51:01,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-10-11 14:51:01,985 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-10-11 14:51:01,985 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-10-11 14:51:01,985 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_poll_out_ready [2024-10-11 14:51:01,985 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_poll_out_ready [2024-10-11 14:51:01,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-11 14:51:01,985 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_enable [2024-10-11 14:51:01,985 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_enable [2024-10-11 14:51:01,985 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2024-10-11 14:51:01,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2024-10-11 14:51:01,985 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_read_ar [2024-10-11 14:51:01,986 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_read_ar [2024-10-11 14:51:01,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 14:51:01,986 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-10-11 14:51:01,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-10-11 14:51:01,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-11 14:51:01,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-11 14:51:01,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-11 14:51:01,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-11 14:51:01,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-11 14:51:01,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-11 14:51:01,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-11 14:51:01,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-11 14:51:01,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-11 14:51:01,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-10-11 14:51:01,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-10-11 14:51:01,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-10-11 14:51:01,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-10-11 14:51:01,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-10-11 14:51:01,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-10-11 14:51:01,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-11 14:51:01,988 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_strobe_ck [2024-10-11 14:51:01,989 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_strobe_ck [2024-10-11 14:51:01,989 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2024-10-11 14:51:01,989 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2024-10-11 14:51:01,989 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_poll_in_busy [2024-10-11 14:51:01,989 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_poll_in_busy [2024-10-11 14:51:01,989 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-10-11 14:51:01,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-10-11 14:51:01,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-11 14:51:01,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-11 14:51:01,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-11 14:51:01,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-11 14:51:01,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-11 14:51:01,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-11 14:51:01,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-11 14:51:01,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-11 14:51:01,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-11 14:51:01,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-10-11 14:51:01,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-10-11 14:51:01,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-10-11 14:51:01,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-10-11 14:51:01,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-10-11 14:51:01,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-10-11 14:51:01,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2024-10-11 14:51:01,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2024-10-11 14:51:01,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-11 14:51:01,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-11 14:51:01,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-11 14:51:01,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-11 14:51:01,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-11 14:51:01,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-11 14:51:01,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-11 14:51:01,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-11 14:51:01,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-10-11 14:51:01,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-10-11 14:51:01,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-10-11 14:51:01,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-10-11 14:51:01,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-10-11 14:51:01,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-10-11 14:51:01,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-10-11 14:51:01,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-10-11 14:51:01,993 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-10-11 14:51:01,994 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-10-11 14:51:01,994 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-10-11 14:51:01,994 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-10-11 14:51:01,994 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2024-10-11 14:51:01,994 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2024-10-11 14:51:01,994 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_write_dr [2024-10-11 14:51:01,994 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_write_dr [2024-10-11 14:51:01,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 14:51:01,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-11 14:51:01,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-11 14:51:01,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-11 14:51:01,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-11 14:51:01,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-11 14:51:01,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-11 14:51:01,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-11 14:51:01,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-11 14:51:01,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-11 14:51:01,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-11 14:51:01,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-11 14:51:01,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-10-11 14:51:01,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-10-11 14:51:01,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-10-11 14:51:01,996 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_exit [2024-10-11 14:51:01,996 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_exit [2024-10-11 14:51:01,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 14:51:01,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 14:51:01,997 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_init [2024-10-11 14:51:01,997 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_init [2024-10-11 14:51:02,334 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 14:51:02,337 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 14:51:02,797 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-11 14:51:03,365 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2024-10-11 14:51:03,366 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2024-10-11 14:51:03,527 INFO L? ?]: Removed 272 outVars from TransFormulas that were not future-live. [2024-10-11 14:51:03,529 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 14:51:03,699 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 14:51:03,703 INFO L314 CfgBuilder]: Removed 19 assume(true) statements. [2024-10-11 14:51:03,704 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:51:03 BoogieIcfgContainer [2024-10-11 14:51:03,704 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 14:51:03,706 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 14:51:03,706 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 14:51:03,710 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 14:51:03,713 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:50:59" (1/3) ... [2024-10-11 14:51:03,713 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@508c0f43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:51:03, skipping insertion in model container [2024-10-11 14:51:03,714 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:51:01" (2/3) ... [2024-10-11 14:51:03,714 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@508c0f43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:51:03, skipping insertion in model container [2024-10-11 14:51:03,714 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:51:03" (3/3) ... [2024-10-11 14:51:03,716 INFO L112 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-misc-c2port-core.ko.cil.out.i [2024-10-11 14:51:03,734 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 14:51:03,734 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 14:51:03,820 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 14:51:03,829 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@56ef71d7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 14:51:03,830 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 14:51:03,837 INFO L276 IsEmpty]: Start isEmpty. Operand has 388 states, 250 states have (on average 1.46) internal successors, (365), 256 states have internal predecessors, (365), 113 states have call successors, (113), 23 states have call predecessors, (113), 23 states have return successors, (113), 113 states have call predecessors, (113), 113 states have call successors, (113) [2024-10-11 14:51:03,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-10-11 14:51:03,848 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 14:51:03,849 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 14:51:03,850 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 14:51:03,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 14:51:03,854 INFO L85 PathProgramCache]: Analyzing trace with hash -428454741, now seen corresponding path program 1 times [2024-10-11 14:51:03,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 14:51:03,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046058232] [2024-10-11 14:51:03,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:51:03,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 14:51:04,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:51:05,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:51:05,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:51:05,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:51:05,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:51:05,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 14:51:05,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:51:05,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 14:51:05,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 14:51:05,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046058232] [2024-10-11 14:51:05,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046058232] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 14:51:05,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 14:51:05,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 14:51:05,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183264025] [2024-10-11 14:51:05,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 14:51:05,203 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 14:51:05,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 14:51:05,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 14:51:05,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-11 14:51:05,230 INFO L87 Difference]: Start difference. First operand has 388 states, 250 states have (on average 1.46) internal successors, (365), 256 states have internal predecessors, (365), 113 states have call successors, (113), 23 states have call predecessors, (113), 23 states have return successors, (113), 113 states have call predecessors, (113), 113 states have call successors, (113) Second operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-11 14:51:08,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 14:51:08,042 INFO L93 Difference]: Finished difference Result 1152 states and 1884 transitions. [2024-10-11 14:51:08,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 14:51:08,046 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 22 [2024-10-11 14:51:08,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 14:51:08,075 INFO L225 Difference]: With dead ends: 1152 [2024-10-11 14:51:08,075 INFO L226 Difference]: Without dead ends: 764 [2024-10-11 14:51:08,091 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2024-10-11 14:51:08,095 INFO L432 NwaCegarLoop]: 492 mSDtfsCounter, 756 mSDsluCounter, 1445 mSDsCounter, 0 mSdLazyCounter, 2279 mSolverCounterSat, 369 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 848 SdHoareTripleChecker+Valid, 1937 SdHoareTripleChecker+Invalid, 2648 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 369 IncrementalHoareTripleChecker+Valid, 2279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-10-11 14:51:08,096 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [848 Valid, 1937 Invalid, 2648 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [369 Valid, 2279 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-10-11 14:51:08,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 764 states. [2024-10-11 14:51:08,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 764 to 744. [2024-10-11 14:51:08,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 744 states, 481 states have (on average 1.291060291060291) internal successors, (621), 483 states have internal predecessors, (621), 219 states have call successors, (219), 42 states have call predecessors, (219), 43 states have return successors, (220), 219 states have call predecessors, (220), 217 states have call successors, (220) [2024-10-11 14:51:08,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 1060 transitions. [2024-10-11 14:51:08,253 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 1060 transitions. Word has length 22 [2024-10-11 14:51:08,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 14:51:08,254 INFO L471 AbstractCegarLoop]: Abstraction has 744 states and 1060 transitions. [2024-10-11 14:51:08,254 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-11 14:51:08,254 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1060 transitions. [2024-10-11 14:51:08,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-10-11 14:51:08,256 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 14:51:08,256 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 14:51:08,256 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 14:51:08,256 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 14:51:08,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 14:51:08,257 INFO L85 PathProgramCache]: Analyzing trace with hash -721857748, now seen corresponding path program 1 times [2024-10-11 14:51:08,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 14:51:08,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022238945] [2024-10-11 14:51:08,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:51:08,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 14:51:08,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:51:08,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:51:08,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:51:08,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:51:08,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:51:08,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 14:51:08,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:51:08,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 14:51:08,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 14:51:08,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022238945] [2024-10-11 14:51:08,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022238945] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 14:51:08,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 14:51:08,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 14:51:08,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354674752] [2024-10-11 14:51:08,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 14:51:08,823 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 14:51:08,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 14:51:08,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 14:51:08,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-11 14:51:08,826 INFO L87 Difference]: Start difference. First operand 744 states and 1060 transitions. Second operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-11 14:51:10,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 14:51:10,149 INFO L93 Difference]: Finished difference Result 761 states and 1080 transitions. [2024-10-11 14:51:10,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 14:51:10,150 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 22 [2024-10-11 14:51:10,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 14:51:10,160 INFO L225 Difference]: With dead ends: 761 [2024-10-11 14:51:10,160 INFO L226 Difference]: Without dead ends: 754 [2024-10-11 14:51:10,161 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-11 14:51:10,163 INFO L432 NwaCegarLoop]: 267 mSDtfsCounter, 204 mSDsluCounter, 967 mSDsCounter, 0 mSdLazyCounter, 1402 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 1234 SdHoareTripleChecker+Invalid, 1455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 1402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-11 14:51:10,163 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [268 Valid, 1234 Invalid, 1455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 1402 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-11 14:51:10,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 754 states. [2024-10-11 14:51:10,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 754 to 744. [2024-10-11 14:51:10,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 744 states, 481 states have (on average 1.288981288981289) internal successors, (620), 483 states have internal predecessors, (620), 219 states have call successors, (219), 42 states have call predecessors, (219), 43 states have return successors, (220), 219 states have call predecessors, (220), 217 states have call successors, (220) [2024-10-11 14:51:10,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 1059 transitions. [2024-10-11 14:51:10,246 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 1059 transitions. Word has length 22 [2024-10-11 14:51:10,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 14:51:10,246 INFO L471 AbstractCegarLoop]: Abstraction has 744 states and 1059 transitions. [2024-10-11 14:51:10,247 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-11 14:51:10,247 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1059 transitions. [2024-10-11 14:51:10,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-10-11 14:51:10,248 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 14:51:10,248 INFO L215 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] [2024-10-11 14:51:10,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 14:51:10,248 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 14:51:10,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 14:51:10,249 INFO L85 PathProgramCache]: Analyzing trace with hash -1150493966, now seen corresponding path program 1 times [2024-10-11 14:51:10,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 14:51:10,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60651676] [2024-10-11 14:51:10,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:51:10,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 14:51:10,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:51:10,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:51:10,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:51:10,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:51:10,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:51:10,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 14:51:10,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:51:10,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 14:51:10,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:51:10,765 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-11 14:51:10,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 14:51:10,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60651676] [2024-10-11 14:51:10,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60651676] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 14:51:10,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 14:51:10,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 14:51:10,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717759713] [2024-10-11 14:51:10,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 14:51:10,770 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 14:51:10,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 14:51:10,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 14:51:10,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 14:51:10,772 INFO L87 Difference]: Start difference. First operand 744 states and 1059 transitions. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 3 states have internal predecessors, (16), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 14:51:11,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 14:51:11,731 INFO L93 Difference]: Finished difference Result 756 states and 1073 transitions. [2024-10-11 14:51:11,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 14:51:11,732 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 3 states have internal predecessors, (16), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 26 [2024-10-11 14:51:11,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 14:51:11,738 INFO L225 Difference]: With dead ends: 756 [2024-10-11 14:51:11,738 INFO L226 Difference]: Without dead ends: 753 [2024-10-11 14:51:11,740 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-11 14:51:11,741 INFO L432 NwaCegarLoop]: 264 mSDtfsCounter, 524 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 474 mSolverCounterSat, 310 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 554 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 784 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 310 IncrementalHoareTripleChecker+Valid, 474 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-11 14:51:11,742 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [554 Valid, 523 Invalid, 784 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [310 Valid, 474 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-11 14:51:11,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 753 states. [2024-10-11 14:51:11,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 753 to 743. [2024-10-11 14:51:11,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 743 states, 481 states have (on average 1.2869022869022868) internal successors, (619), 482 states have internal predecessors, (619), 218 states have call successors, (218), 42 states have call predecessors, (218), 43 states have return successors, (220), 219 states have call predecessors, (220), 217 states have call successors, (220) [2024-10-11 14:51:11,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 743 states and 1057 transitions. [2024-10-11 14:51:11,802 INFO L78 Accepts]: Start accepts. Automaton has 743 states and 1057 transitions. Word has length 26 [2024-10-11 14:51:11,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 14:51:11,802 INFO L471 AbstractCegarLoop]: Abstraction has 743 states and 1057 transitions. [2024-10-11 14:51:11,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 3 states have internal predecessors, (16), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 14:51:11,802 INFO L276 IsEmpty]: Start isEmpty. Operand 743 states and 1057 transitions. [2024-10-11 14:51:11,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-10-11 14:51:11,803 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 14:51:11,803 INFO L215 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] [2024-10-11 14:51:11,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 14:51:11,804 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 14:51:11,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 14:51:11,804 INFO L85 PathProgramCache]: Analyzing trace with hash -1305839922, now seen corresponding path program 1 times [2024-10-11 14:51:11,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 14:51:11,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950970994] [2024-10-11 14:51:11,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:51:11,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 14:51:12,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:51:12,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:51:12,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:51:12,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:51:12,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:51:12,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 14:51:12,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:51:12,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 14:51:12,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:51:12,284 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-11 14:51:12,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 14:51:12,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950970994] [2024-10-11 14:51:12,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950970994] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 14:51:12,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 14:51:12,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 14:51:12,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775379042] [2024-10-11 14:51:12,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 14:51:12,285 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 14:51:12,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 14:51:12,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 14:51:12,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 14:51:12,286 INFO L87 Difference]: Start difference. First operand 743 states and 1057 transitions. Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 3 states have internal predecessors, (17), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 14:51:13,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 14:51:13,243 INFO L93 Difference]: Finished difference Result 753 states and 1070 transitions. [2024-10-11 14:51:13,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 14:51:13,244 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 3 states have internal predecessors, (17), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 27 [2024-10-11 14:51:13,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 14:51:13,245 INFO L225 Difference]: With dead ends: 753 [2024-10-11 14:51:13,245 INFO L226 Difference]: Without dead ends: 0 [2024-10-11 14:51:13,249 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-11 14:51:13,250 INFO L432 NwaCegarLoop]: 263 mSDtfsCounter, 519 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 470 mSolverCounterSat, 309 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 549 SdHoareTripleChecker+Valid, 522 SdHoareTripleChecker+Invalid, 779 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 309 IncrementalHoareTripleChecker+Valid, 470 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-11 14:51:13,251 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [549 Valid, 522 Invalid, 779 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [309 Valid, 470 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-11 14:51:13,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-11 14:51:13,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-11 14:51:13,252 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) [2024-10-11 14:51:13,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-11 14:51:13,252 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2024-10-11 14:51:13,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 14:51:13,252 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-11 14:51:13,253 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 3 states have internal predecessors, (17), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 14:51:13,253 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-11 14:51:13,253 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-11 14:51:13,256 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-11 14:51:13,256 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 14:51:13,259 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-10-11 14:51:13,261 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-11 14:51:16,704 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 14:51:16,736 WARN L155 FloydHoareUtils]: Requires clause for dev_get_drvdata contained old-variable. Original clause: (and (= ~ldv_coherent_state~0 0) (= |old(#length)| |#length|) (= ~ldv_urb_state~0 0) (= |old(#valid)| |#valid|)) Eliminated clause: (and (= ~ldv_coherent_state~0 0) (= ~ldv_urb_state~0 0)) [2024-10-11 14:51:16,739 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~c2port_class~0!offset [2024-10-11 14:51:16,740 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~c2port_class~0!base [2024-10-11 14:51:16,740 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~c2port_class~0!offset [2024-10-11 14:51:16,740 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~c2port_class~0!base [2024-10-11 14:51:16,748 WARN L155 FloydHoareUtils]: Requires clause for ldv_malloc contained old-variable. Original clause: (and (= ~ldv_coherent_state~0 0) (= |old(#length)| |#length|) (= ~ldv_urb_state~0 0) (= |old(#valid)| |#valid|)) Eliminated clause: (and (= ~ldv_coherent_state~0 0) (= ~ldv_urb_state~0 0)) [2024-10-11 14:51:16,752 WARN L155 FloydHoareUtils]: Requires clause for c2port_poll_out_ready contained old-variable. Original clause: (and (= ~ldv_coherent_state~0 0) (= |old(#length)| |#length|) (= ~ldv_urb_state~0 0) (= |old(#valid)| |#valid|)) Eliminated clause: (and (= ~ldv_coherent_state~0 0) (= ~ldv_urb_state~0 0)) [2024-10-11 14:51:16,753 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_coherent_state~0 [2024-10-11 14:51:16,754 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_urb_state~0 [2024-10-11 14:51:16,754 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_coherent_state~0 [2024-10-11 14:51:16,754 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_urb_state~0 [2024-10-11 14:51:16,756 WARN L155 FloydHoareUtils]: Requires clause for c2port_poll_in_busy contained old-variable. Original clause: (and (= ~ldv_coherent_state~0 0) (= |old(#length)| |#length|) (= ~ldv_urb_state~0 0) (= |old(#valid)| |#valid|)) Eliminated clause: (and (= ~ldv_coherent_state~0 0) (= ~ldv_urb_state~0 0)) [2024-10-11 14:51:16,757 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_coherent_state~0 [2024-10-11 14:51:16,757 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_urb_state~0 [2024-10-11 14:51:16,757 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_coherent_state~0 [2024-10-11 14:51:16,757 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_urb_state~0 [2024-10-11 14:51:16,761 WARN L155 FloydHoareUtils]: Requires clause for c2port_init contained old-variable. Original clause: (and (= ~ldv_coherent_state~0 0) (= |old(#length)| |#length|) (= |#memory_$Pointer$#9.offset| |old(#memory_$Pointer$#9.offset)|) (= |#memory_int#9| |old(#memory_int#9)|) (= |old(~c2port_class~0.offset)| 0) (= ~ldv_urb_state~0 0) (= ~c2port_class~0.offset 0) (= |old(~c2port_class~0.base)| 0) (= |old(#memory_$Pointer$#9.base)| |#memory_$Pointer$#9.base|) (= |old(#valid)| |#valid|) (= ~c2port_class~0.base 0)) Eliminated clause: (and (= ~ldv_coherent_state~0 0) (= ~ldv_urb_state~0 0) (= ~c2port_class~0.offset 0) (= ~c2port_class~0.base 0)) [2024-10-11 14:51:16,764 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~c2port_class~0!offset [2024-10-11 14:51:16,764 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~c2port_class~0!base [2024-10-11 14:51:16,765 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~c2port_class~0!offset [2024-10-11 14:51:16,765 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~c2port_class~0!base [2024-10-11 14:51:16,765 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~c2port_class~0!offset [2024-10-11 14:51:16,765 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~c2port_class~0!base [2024-10-11 14:51:16,766 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:51:16 BoogieIcfgContainer [2024-10-11 14:51:16,766 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 14:51:16,767 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 14:51:16,767 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 14:51:16,768 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 14:51:16,769 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:51:03" (3/4) ... [2024-10-11 14:51:16,771 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-11 14:51:16,775 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure c2port_read_ar [2024-10-11 14:51:16,775 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure c2port_read_dr [2024-10-11 14:51:16,775 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure dev_get_drvdata [2024-10-11 14:51:16,775 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure c2port_write_dr [2024-10-11 14:51:16,775 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2024-10-11 14:51:16,775 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure arch_local_irq_disable [2024-10-11 14:51:16,775 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __const_udelay [2024-10-11 14:51:16,776 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure trace_hardirqs_on [2024-10-11 14:51:16,776 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure dev_err [2024-10-11 14:51:16,776 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_unlock [2024-10-11 14:51:16,776 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2024-10-11 14:51:16,777 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure c2port_exit [2024-10-11 14:51:16,777 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure c2port_strobe_ck [2024-10-11 14:51:16,777 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure arch_local_irq_enable [2024-10-11 14:51:16,777 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure trace_hardirqs_off [2024-10-11 14:51:16,777 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure c2port_poll_out_ready [2024-10-11 14:51:16,777 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~int~TO~VOID [2024-10-11 14:51:16,777 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure c2port_write_ar [2024-10-11 14:51:16,778 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure c2port_poll_in_busy [2024-10-11 14:51:16,778 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~int [2024-10-11 14:51:16,778 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_blast_assert [2024-10-11 14:51:16,778 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_lock_nested [2024-10-11 14:51:16,778 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure c2port_init [2024-10-11 14:51:16,805 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 150 nodes and edges [2024-10-11 14:51:16,808 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 51 nodes and edges [2024-10-11 14:51:16,810 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-10-11 14:51:16,811 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-11 14:51:16,813 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-10-11 14:51:16,815 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-11 14:51:16,816 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-11 14:51:17,240 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-11 14:51:17,241 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-11 14:51:17,242 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 14:51:17,242 INFO L158 Benchmark]: Toolchain (without parser) took 17268.89ms. Allocated memory was 186.6MB in the beginning and 532.7MB in the end (delta: 346.0MB). Free memory was 111.3MB in the beginning and 244.4MB in the end (delta: -133.1MB). Peak memory consumption was 212.8MB. Max. memory is 16.1GB. [2024-10-11 14:51:17,243 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 102.8MB. Free memory is still 63.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 14:51:17,244 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1533.07ms. Allocated memory is still 186.6MB. Free memory was 111.0MB in the beginning and 141.0MB in the end (delta: -30.0MB). Peak memory consumption was 73.1MB. Max. memory is 16.1GB. [2024-10-11 14:51:17,244 INFO L158 Benchmark]: Boogie Procedure Inliner took 134.78ms. Allocated memory is still 186.6MB. Free memory was 141.0MB in the beginning and 133.9MB in the end (delta: 7.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-11 14:51:17,244 INFO L158 Benchmark]: Boogie Preprocessor took 251.49ms. Allocated memory is still 186.6MB. Free memory was 133.9MB in the beginning and 127.3MB in the end (delta: 6.6MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2024-10-11 14:51:17,244 INFO L158 Benchmark]: RCFGBuilder took 1807.18ms. Allocated memory was 186.6MB in the beginning and 310.4MB in the end (delta: 123.7MB). Free memory was 127.3MB in the beginning and 247.0MB in the end (delta: -119.7MB). Peak memory consumption was 102.0MB. Max. memory is 16.1GB. [2024-10-11 14:51:17,245 INFO L158 Benchmark]: TraceAbstraction took 13060.28ms. Allocated memory was 310.4MB in the beginning and 532.7MB in the end (delta: 222.3MB). Free memory was 247.0MB in the beginning and 293.7MB in the end (delta: -46.7MB). Peak memory consumption was 312.8MB. Max. memory is 16.1GB. [2024-10-11 14:51:17,245 INFO L158 Benchmark]: Witness Printer took 475.18ms. Allocated memory is still 532.7MB. Free memory was 293.7MB in the beginning and 244.4MB in the end (delta: 49.3MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2024-10-11 14:51:17,246 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 102.8MB. Free memory is still 63.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1533.07ms. Allocated memory is still 186.6MB. Free memory was 111.0MB in the beginning and 141.0MB in the end (delta: -30.0MB). Peak memory consumption was 73.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 134.78ms. Allocated memory is still 186.6MB. Free memory was 141.0MB in the beginning and 133.9MB in the end (delta: 7.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 251.49ms. Allocated memory is still 186.6MB. Free memory was 133.9MB in the beginning and 127.3MB in the end (delta: 6.6MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1807.18ms. Allocated memory was 186.6MB in the beginning and 310.4MB in the end (delta: 123.7MB). Free memory was 127.3MB in the beginning and 247.0MB in the end (delta: -119.7MB). Peak memory consumption was 102.0MB. Max. memory is 16.1GB. * TraceAbstraction took 13060.28ms. Allocated memory was 310.4MB in the beginning and 532.7MB in the end (delta: 222.3MB). Free memory was 247.0MB in the beginning and 293.7MB in the end (delta: -46.7MB). Peak memory consumption was 312.8MB. Max. memory is 16.1GB. * Witness Printer took 475.18ms. Allocated memory is still 532.7MB. Free memory was 293.7MB in the beginning and 244.4MB in the end (delta: 49.3MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 3395]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n" ".pushsection __bug_table,\"a\"\n" "2:\t.long 1b - 2b, %c0 - 2b\n" "\t.word %c1, 0\n" "\t.org 2b+%c2\n" ".popsection": : "i" ("/anthill/stuff/tacas-comp/inst/current/envs/linux-3.0.1/linux-3.0.1/arch/x86/include/asm/paravirt.h"), "i" (863), "i" (sizeof(struct bug_entry ))); [3395-3401] - GenericResultAtLocation [Line: 3420]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("" "771:\n\t" "call *%c[paravirt_opptr];" "\n" "772:\n" ".pushsection .parainstructions,\"a\"\n" " " ".balign 8" " " "\n" " " ".quad" " " " 771b\n" " .byte " "%c[paravirt_typenum]" "\n" " .byte 772b-771b\n" " .short " "%c[paravirt_clobber]" "\n" ".popsection\n" "": "=a" (__eax): [paravirt_typenum] "i" ((unsigned long )((unsigned int )(& ((struct paravirt_patch_template *)0)->pv_irq_ops.irq_disable.func)) / sizeof(void *)), [paravirt_opptr] "i" (& pv_irq_ops.irq_disable.func), [paravirt_clobber] "i" (1): "memory", "cc"); [3420-3444] - GenericResultAtLocation [Line: 3474]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n" ".pushsection __bug_table,\"a\"\n" "2:\t.long 1b - 2b, %c0 - 2b\n" "\t.word %c1, 0\n" "\t.org 2b+%c2\n" ".popsection": : "i" ("/anthill/stuff/tacas-comp/inst/current/envs/linux-3.0.1/linux-3.0.1/arch/x86/include/asm/paravirt.h"), "i" (868), "i" (sizeof(struct bug_entry ))); [3474-3480] - GenericResultAtLocation [Line: 3499]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("" "771:\n\t" "call *%c[paravirt_opptr];" "\n" "772:\n" ".pushsection .parainstructions,\"a\"\n" " " ".balign 8" " " "\n" " " ".quad" " " " 771b\n" " .byte " "%c[paravirt_typenum]" "\n" " .byte 772b-771b\n" " .short " "%c[paravirt_clobber]" "\n" ".popsection\n" "": "=a" (__eax): [paravirt_typenum] "i" ((unsigned long )((unsigned int )(& ((struct paravirt_patch_template *)0)->pv_irq_ops.irq_enable.func)) / sizeof(void *)), [paravirt_opptr] "i" (& pv_irq_ops.irq_enable.func), [paravirt_clobber] "i" (1): "memory", "cc"); [3499-3523] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~c2port_class~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~c2port_class~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~c2port_class~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~c2port_class~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ldv_coherent_state~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ldv_urb_state~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ldv_coherent_state~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ldv_urb_state~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ldv_coherent_state~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ldv_urb_state~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ldv_coherent_state~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ldv_urb_state~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~c2port_class~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~c2port_class~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~c2port_class~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~c2port_class~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~c2port_class~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~c2port_class~0!base * 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: 5282]: 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 24 procedures, 388 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.5s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2219 SdHoareTripleChecker+Valid, 5.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2003 mSDsluCounter, 4216 SdHoareTripleChecker+Invalid, 4.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2930 mSDsCounter, 1041 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4625 IncrementalHoareTripleChecker+Invalid, 5666 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1041 mSolverCounterUnsat, 1286 mSDtfsCounter, 4625 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 54 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=744occurred in iteration=1, InterpolantAutomatonStates: 25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 4 MinimizatonAttempts, 40 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 97 NumberOfCodeBlocks, 97 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 93 ConstructedInterpolants, 0 QuantifiedInterpolants, 255 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 4/4 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: 3881]: Loop Invariant Derived loop invariant: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) - InvariantResult [Line: 3758]: Loop Invariant Derived loop invariant: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) - InvariantResult [Line: 3393]: Loop Invariant Derived loop invariant: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) - InvariantResult [Line: 3472]: Loop Invariant Derived loop invariant: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) - InvariantResult [Line: 3805]: Loop Invariant Derived loop invariant: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) - InvariantResult [Line: 3665]: Location Invariant Derived location invariant: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) - InvariantResult [Line: 4696]: Loop Invariant Derived loop invariant: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) - InvariantResult [Line: 3403]: Loop Invariant Derived loop invariant: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) - InvariantResult [Line: 3943]: Loop Invariant Derived loop invariant: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) - InvariantResult [Line: 3910]: Loop Invariant Derived loop invariant: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) - InvariantResult [Line: 3864]: Location Invariant Derived location invariant: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) - InvariantResult [Line: 3685]: Loop Invariant Derived loop invariant: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) - InvariantResult [Line: 5136]: Location Invariant Derived location invariant: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) - InvariantResult [Line: 3385]: Loop Invariant Derived loop invariant: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) - InvariantResult [Line: 3982]: Loop Invariant Derived loop invariant: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) - InvariantResult [Line: 5225]: Location Invariant Derived location invariant: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) - InvariantResult [Line: 3744]: Location Invariant Derived location invariant: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) - InvariantResult [Line: 3482]: Loop Invariant Derived loop invariant: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) - InvariantResult [Line: 3668]: Loop Invariant Derived loop invariant: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) - InvariantResult [Line: 3717]: Loop Invariant Derived loop invariant: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) - InvariantResult [Line: 4542]: Loop Invariant Derived loop invariant: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) - InvariantResult [Line: 5214]: Location Invariant Derived location invariant: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) - InvariantResult [Line: 3464]: Loop Invariant Derived loop invariant: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) - InvariantResult [Line: 3826]: Loop Invariant Derived loop invariant: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) - InvariantResult [Line: 4610]: Location Invariant Derived location invariant: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) - ProcedureContractResult [Line: 3740]: Procedure Contract for c2port_read_ar Derived contract for procedure c2port_read_ar. Requires: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) Ensures: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) - ProcedureContractResult [Line: 3858]: Procedure Contract for c2port_read_dr Derived contract for procedure c2port_read_dr. Requires: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) Ensures: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) - ProcedureContractResult [Line: 5473]: Procedure Contract for dev_get_drvdata Derived contract for procedure dev_get_drvdata. Requires: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) Ensures: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) - ProcedureContractResult [Line: 3784]: Procedure Contract for c2port_write_dr Derived contract for procedure c2port_write_dr. Requires: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) Ensures: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) - ProcedureContractResult [Line: 5517]: Procedure Contract for printk Derived contract for procedure printk. Requires: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) Ensures: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) - ProcedureContractResult [Line: 3371]: Procedure Contract for arch_local_irq_disable Derived contract for procedure arch_local_irq_disable. Requires: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) Ensures: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) - ProcedureContractResult [Line: 5447]: Procedure Contract for __const_udelay Derived contract for procedure __const_udelay. Requires: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) Ensures: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) - ProcedureContractResult [Line: 5523]: Procedure Contract for trace_hardirqs_on Derived contract for procedure trace_hardirqs_on. Requires: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) Ensures: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) - ProcedureContractResult [Line: 5470]: Procedure Contract for dev_err Derived contract for procedure dev_err. Requires: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) Ensures: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) - ProcedureContractResult [Line: 5513]: Procedure Contract for mutex_unlock Derived contract for procedure mutex_unlock. Requires: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) Ensures: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) - ProcedureContractResult [Line: 5439]: Procedure Contract for ldv_malloc Derived contract for procedure ldv_malloc. Requires: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) Ensures: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) - ProcedureContractResult [Line: 5136]: Procedure Contract for c2port_exit Derived contract for procedure c2port_exit. Requires: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) Ensures: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) - ProcedureContractResult [Line: 3663]: Procedure Contract for c2port_strobe_ck Derived contract for procedure c2port_strobe_ck. Requires: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) Ensures: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) - ProcedureContractResult [Line: 3450]: Procedure Contract for arch_local_irq_enable Derived contract for procedure arch_local_irq_enable. Requires: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) Ensures: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) - ProcedureContractResult [Line: 5520]: Procedure Contract for trace_hardirqs_off Derived contract for procedure trace_hardirqs_off. Requires: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) Ensures: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) - ProcedureContractResult [Line: 3975]: Procedure Contract for c2port_poll_out_ready Derived contract for procedure c2port_poll_out_ready. Requires: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) Ensures: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) - ProcedureContractResult [Line: 3702]: Procedure Contract for c2port_write_ar Derived contract for procedure c2port_write_ar. Requires: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) Ensures: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) - ProcedureContractResult [Line: 3936]: Procedure Contract for c2port_poll_in_busy Derived contract for procedure c2port_poll_in_busy. Requires: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) Ensures: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) - ProcedureContractResult [Line: 5279]: Procedure Contract for ldv_blast_assert Derived contract for procedure ldv_blast_assert. Requires: 0 Ensures: 0 - ProcedureContractResult [Line: 5510]: Procedure Contract for mutex_lock_nested Derived contract for procedure mutex_lock_nested. Requires: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) Ensures: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) - ProcedureContractResult [Line: 5113]: Procedure Contract for c2port_init Derived contract for procedure c2port_init. Requires: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) Ensures: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) RESULT: Ultimate proved your program to be correct! [2024-10-11 14:51:17,287 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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