./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pt.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pt.ko-main.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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 3b154baf348652a9aadd484f41053a90df6581eb3d7346fd488d4cc05040e74b --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 20:50:52,466 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 20:50:52,534 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-16 20:50:52,541 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 20:50:52,542 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 20:50:52,572 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 20:50:52,573 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 20:50:52,573 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 20:50:52,574 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 20:50:52,575 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 20:50:52,576 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 20:50:52,576 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 20:50:52,577 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 20:50:52,578 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 20:50:52,579 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 20:50:52,579 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 20:50:52,579 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 20:50:52,580 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 20:50:52,580 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 20:50:52,580 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 20:50:52,580 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 20:50:52,584 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 20:50:52,584 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 20:50:52,584 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 20:50:52,584 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 20:50:52,585 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 20:50:52,585 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 20:50:52,585 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 20:50:52,586 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 20:50:52,586 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 20:50:52,586 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 20:50:52,586 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 20:50:52,587 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 20:50:52,587 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 20:50:52,587 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 20:50:52,587 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 20:50:52,589 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 20:50:52,589 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 20:50:52,589 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 20:50:52,589 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/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b154baf348652a9aadd484f41053a90df6581eb3d7346fd488d4cc05040e74b [2024-11-16 20:50:52,875 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 20:50:52,898 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 20:50:52,900 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 20:50:52,902 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 20:50:52,903 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 20:50:52,904 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pt.ko-main.cil.out.i [2024-11-16 20:50:54,287 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 20:50:54,719 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 20:50:54,720 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pt.ko-main.cil.out.i [2024-11-16 20:50:54,756 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/325414a83/54ae8656096046a28e0935735b362ccd/FLAG0401a3868 [2024-11-16 20:50:54,771 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/325414a83/54ae8656096046a28e0935735b362ccd [2024-11-16 20:50:54,775 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 20:50:54,776 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 20:50:54,777 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 20:50:54,777 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 20:50:54,781 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 20:50:54,782 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:50:54" (1/1) ... [2024-11-16 20:50:54,783 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2015446b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:50:54, skipping insertion in model container [2024-11-16 20:50:54,783 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:50:54" (1/1) ... [2024-11-16 20:50:54,864 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 20:50:55,742 WARN L250 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pt.ko-main.cil.out.i[119285,119298] [2024-11-16 20:50:55,855 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 20:50:55,901 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 20:50:55,966 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; incl %0": "+m" (v->counter)); [2827] [2024-11-16 20:50:55,968 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; decl %0; sete %1": "+m" (v->counter), "=qm" (c): : "memory"); [2834-2835] [2024-11-16 20:50:56,108 WARN L250 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pt.ko-main.cil.out.i[119285,119298] [2024-11-16 20:50:56,127 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 20:50:56,191 INFO L204 MainTranslator]: Completed translation [2024-11-16 20:50:56,191 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:50:56 WrapperNode [2024-11-16 20:50:56,191 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 20:50:56,192 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 20:50:56,193 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 20:50:56,193 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 20:50:56,199 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:50:56" (1/1) ... [2024-11-16 20:50:56,312 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:50:56" (1/1) ... [2024-11-16 20:50:56,417 INFO L138 Inliner]: procedures = 146, calls = 1519, calls flagged for inlining = 50, calls inlined = 42, statements flattened = 2430 [2024-11-16 20:50:56,418 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 20:50:56,418 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 20:50:56,419 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 20:50:56,419 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 20:50:56,429 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:50:56" (1/1) ... [2024-11-16 20:50:56,429 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:50:56" (1/1) ... [2024-11-16 20:50:56,446 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:50:56" (1/1) ... [2024-11-16 20:50:56,548 INFO L175 MemorySlicer]: Split 1097 memory accesses to 21 slices as follows [2, 28, 392, 5, 6, 1, 2, 512, 11, 3, 6, 24, 31, 13, 29, 3, 11, 11, 1, 5, 1]. 47 percent of accesses are in the largest equivalence class. The 797 initializations are split as follows [2, 0, 176, 5, 6, 1, 0, 512, 11, 3, 0, 0, 24, 13, 29, 0, 4, 11, 0, 0, 0]. The 201 writes are split as follows [0, 28, 139, 0, 0, 0, 2, 0, 0, 0, 5, 24, 0, 0, 0, 2, 0, 0, 0, 1, 0]. [2024-11-16 20:50:56,548 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:50:56" (1/1) ... [2024-11-16 20:50:56,549 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:50:56" (1/1) ... [2024-11-16 20:50:56,640 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:50:56" (1/1) ... [2024-11-16 20:50:56,646 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:50:56" (1/1) ... [2024-11-16 20:50:56,729 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:50:56" (1/1) ... [2024-11-16 20:50:56,740 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:50:56" (1/1) ... [2024-11-16 20:50:56,761 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 20:50:56,762 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 20:50:56,762 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 20:50:56,762 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 20:50:56,763 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:50:56" (1/1) ... [2024-11-16 20:50:56,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 20:50:56,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 20:50:56,797 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 20:50:56,805 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 20:50:56,850 INFO L130 BoogieDeclarations]: Found specification of procedure pi_release [2024-11-16 20:50:56,851 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_release [2024-11-16 20:50:56,851 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2024-11-16 20:50:56,851 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2024-11-16 20:50:56,851 INFO L130 BoogieDeclarations]: Found specification of procedure pi_disconnect [2024-11-16 20:50:56,851 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_disconnect [2024-11-16 20:50:56,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_pt_mutex [2024-11-16 20:50:56,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_pt_mutex [2024-11-16 20:50:56,853 INFO L130 BoogieDeclarations]: Found specification of procedure status_reg [2024-11-16 20:50:56,853 INFO L138 BoogieDeclarations]: Found implementation of procedure status_reg [2024-11-16 20:50:56,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-16 20:50:56,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-16 20:50:56,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-16 20:50:56,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-16 20:50:56,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-16 20:50:56,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-16 20:50:56,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-16 20:50:56,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-16 20:50:56,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-16 20:50:56,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-16 20:50:56,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-16 20:50:56,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-16 20:50:56,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-16 20:50:56,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-16 20:50:56,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-16 20:50:56,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-16 20:50:56,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-16 20:50:56,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-16 20:50:56,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-16 20:50:56,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-16 20:50:56,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-11-16 20:50:56,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-16 20:50:56,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-16 20:50:56,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-16 20:50:56,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-16 20:50:56,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-16 20:50:56,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-16 20:50:56,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-16 20:50:56,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-16 20:50:56,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-16 20:50:56,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-16 20:50:56,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-16 20:50:56,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-16 20:50:56,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-16 20:50:56,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-16 20:50:56,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-16 20:50:56,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-16 20:50:56,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-16 20:50:56,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-16 20:50:56,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-16 20:50:56,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-11-16 20:50:56,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-11-16 20:50:56,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-16 20:50:56,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-16 20:50:56,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-16 20:50:56,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-16 20:50:56,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-16 20:50:56,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-16 20:50:56,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-16 20:50:56,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-16 20:50:56,860 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-16 20:50:56,860 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-16 20:50:56,860 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-16 20:50:56,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-16 20:50:56,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-16 20:50:56,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-16 20:50:56,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-16 20:50:56,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-16 20:50:56,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-16 20:50:56,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-16 20:50:56,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-16 20:50:56,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-16 20:50:56,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-16 20:50:56,862 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_block [2024-11-16 20:50:56,862 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_block [2024-11-16 20:50:56,862 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2024-11-16 20:50:56,862 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2024-11-16 20:50:56,862 INFO L130 BoogieDeclarations]: Found specification of procedure pt_media_access_cmd [2024-11-16 20:50:56,862 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_media_access_cmd [2024-11-16 20:50:56,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-16 20:50:56,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-16 20:50:56,863 INFO L130 BoogieDeclarations]: Found specification of procedure pt_reset [2024-11-16 20:50:56,863 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_reset [2024-11-16 20:50:56,863 INFO L130 BoogieDeclarations]: Found specification of procedure pt_identify [2024-11-16 20:50:56,863 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_identify [2024-11-16 20:50:56,863 INFO L130 BoogieDeclarations]: Found specification of procedure pt_command [2024-11-16 20:50:56,863 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_command [2024-11-16 20:50:56,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-16 20:50:56,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-16 20:50:56,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-16 20:50:56,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-16 20:50:56,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-16 20:50:56,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-16 20:50:56,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-16 20:50:56,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-16 20:50:56,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-16 20:50:56,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-16 20:50:56,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-16 20:50:56,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-16 20:50:56,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-16 20:50:56,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-16 20:50:56,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-16 20:50:56,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-16 20:50:56,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-16 20:50:56,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-16 20:50:56,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-16 20:50:56,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-16 20:50:56,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-16 20:50:56,866 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-16 20:50:56,866 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-16 20:50:56,866 INFO L130 BoogieDeclarations]: Found specification of procedure pt_write [2024-11-16 20:50:56,866 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_write [2024-11-16 20:50:56,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-16 20:50:56,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-16 20:50:56,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-16 20:50:56,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-16 20:50:56,867 INFO L130 BoogieDeclarations]: Found specification of procedure pt_atapi [2024-11-16 20:50:56,867 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_atapi [2024-11-16 20:50:56,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-16 20:50:56,867 INFO L130 BoogieDeclarations]: Found specification of procedure pt_poll_dsc [2024-11-16 20:50:56,867 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_poll_dsc [2024-11-16 20:50:56,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_pt_mutex [2024-11-16 20:50:56,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_pt_mutex [2024-11-16 20:50:56,867 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-16 20:50:56,867 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-16 20:50:56,867 INFO L130 BoogieDeclarations]: Found specification of procedure pt_req_sense [2024-11-16 20:50:56,867 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_req_sense [2024-11-16 20:50:56,868 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2024-11-16 20:50:56,868 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2024-11-16 20:50:56,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 20:50:56,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_17 [2024-11-16 20:50:56,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_17 [2024-11-16 20:50:56,868 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2024-11-16 20:50:56,869 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2024-11-16 20:50:56,869 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-16 20:50:56,869 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-16 20:50:56,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-16 20:50:56,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-16 20:50:56,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-16 20:50:56,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-16 20:50:56,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-16 20:50:56,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-16 20:50:56,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-16 20:50:56,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-16 20:50:56,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-16 20:50:56,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-16 20:50:56,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-16 20:50:56,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-16 20:50:56,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-16 20:50:56,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-16 20:50:56,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-16 20:50:56,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-16 20:50:56,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-16 20:50:56,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-16 20:50:56,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-16 20:50:56,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-16 20:50:56,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-11-16 20:50:56,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-16 20:50:56,872 INFO L130 BoogieDeclarations]: Found specification of procedure DRIVE [2024-11-16 20:50:56,872 INFO L138 BoogieDeclarations]: Found implementation of procedure DRIVE [2024-11-16 20:50:56,872 INFO L130 BoogieDeclarations]: Found specification of procedure pt_completion [2024-11-16 20:50:56,873 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_completion [2024-11-16 20:50:56,873 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-16 20:50:56,873 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-16 20:50:56,873 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-16 20:50:56,873 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-16 20:50:56,873 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-16 20:50:56,873 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-16 20:50:56,873 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-16 20:50:56,873 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-16 20:50:56,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-16 20:50:56,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-16 20:50:56,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-16 20:50:56,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-16 20:50:56,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-16 20:50:56,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-16 20:50:56,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-16 20:50:56,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-16 20:50:56,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-16 20:50:56,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-16 20:50:56,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-16 20:50:56,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-16 20:50:56,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-11-16 20:50:56,875 INFO L130 BoogieDeclarations]: Found specification of procedure pt_sleep [2024-11-16 20:50:56,875 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_sleep [2024-11-16 20:50:56,875 INFO L130 BoogieDeclarations]: Found specification of procedure pt_write_fm [2024-11-16 20:50:56,875 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_write_fm [2024-11-16 20:50:56,875 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2024-11-16 20:50:56,876 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2024-11-16 20:50:56,876 INFO L130 BoogieDeclarations]: Found specification of procedure pi_write_block [2024-11-16 20:50:56,876 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_write_block [2024-11-16 20:50:56,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-16 20:50:56,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-16 20:50:56,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-16 20:50:56,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-16 20:50:56,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-16 20:50:56,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-16 20:50:56,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-16 20:50:56,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-16 20:50:56,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-16 20:50:56,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-16 20:50:56,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-16 20:50:56,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-16 20:50:56,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-16 20:50:56,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-16 20:50:56,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-16 20:50:56,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-16 20:50:56,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-16 20:50:56,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-16 20:50:56,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-16 20:50:56,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-16 20:50:56,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-11-16 20:50:56,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-11-16 20:50:56,878 INFO L130 BoogieDeclarations]: Found specification of procedure pi_init [2024-11-16 20:50:56,878 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_init [2024-11-16 20:50:56,878 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_regr [2024-11-16 20:50:56,878 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_regr [2024-11-16 20:50:56,878 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2024-11-16 20:50:56,878 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2024-11-16 20:50:56,878 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-16 20:50:56,878 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-16 20:50:56,879 INFO L130 BoogieDeclarations]: Found specification of procedure pt_wait [2024-11-16 20:50:56,879 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_wait [2024-11-16 20:50:56,879 INFO L130 BoogieDeclarations]: Found specification of procedure pi_connect [2024-11-16 20:50:56,879 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_connect [2024-11-16 20:50:56,879 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2024-11-16 20:50:56,879 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2024-11-16 20:50:56,879 INFO L130 BoogieDeclarations]: Found specification of procedure pt_probe [2024-11-16 20:50:56,879 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_probe [2024-11-16 20:50:56,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 20:50:56,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-16 20:50:56,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-16 20:50:56,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-16 20:50:56,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-16 20:50:56,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-16 20:50:56,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-16 20:50:56,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-16 20:50:56,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-16 20:50:56,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-16 20:50:56,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-16 20:50:56,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-16 20:50:56,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-16 20:50:56,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-16 20:50:56,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-16 20:50:56,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-16 20:50:56,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-16 20:50:56,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-16 20:50:56,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-16 20:50:56,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-16 20:50:56,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-16 20:50:56,881 INFO L130 BoogieDeclarations]: Found specification of procedure pt_rewind [2024-11-16 20:50:56,881 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_rewind [2024-11-16 20:50:56,881 INFO L130 BoogieDeclarations]: Found specification of procedure device_create [2024-11-16 20:50:56,881 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create [2024-11-16 20:50:56,881 INFO L130 BoogieDeclarations]: Found specification of procedure xn [2024-11-16 20:50:56,881 INFO L138 BoogieDeclarations]: Found implementation of procedure xn [2024-11-16 20:50:56,881 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2024-11-16 20:50:56,881 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2024-11-16 20:50:56,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 20:50:56,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 20:50:56,882 INFO L130 BoogieDeclarations]: Found specification of procedure xs [2024-11-16 20:50:56,882 INFO L138 BoogieDeclarations]: Found implementation of procedure xs [2024-11-16 20:50:57,420 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 20:50:57,423 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 20:50:57,550 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2927: havoc ~res~0#1.base, ~res~0#1.offset; [2024-11-16 20:50:57,651 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3370: call ULTIMATE.dealloc(~#expect~0.base, ~#expect~0.offset);havoc ~#expect~0.base, ~#expect~0.offset; [2024-11-16 20:51:02,269 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3554: call ULTIMATE.dealloc(~#ms~0#1.base, ~#ms~0#1.offset);havoc ~#ms~0#1.base, ~#ms~0#1.offset;call ULTIMATE.dealloc(~#mf~0#1.base, ~#mf~0#1.offset);havoc ~#mf~0#1.base, ~#mf~0#1.offset;call ULTIMATE.dealloc(~#id~0#1.base, ~#id~0#1.offset);havoc ~#id~0#1.base, ~#id~0#1.offset;call ULTIMATE.dealloc(~#id_cmd~0#1.base, ~#id_cmd~0#1.offset);havoc ~#id_cmd~0#1.base, ~#id_cmd~0#1.offset;call ULTIMATE.dealloc(~#ms_cmd~0#1.base, ~#ms_cmd~0#1.offset);havoc ~#ms_cmd~0#1.base, ~#ms_cmd~0#1.offset;call ULTIMATE.dealloc(~#ls_cmd~0#1.base, ~#ls_cmd~0#1.offset);havoc ~#ls_cmd~0#1.base, ~#ls_cmd~0#1.offset;call ULTIMATE.dealloc(~#buf~1#1.base, ~#buf~1#1.offset);havoc ~#buf~1#1.base, ~#buf~1#1.offset; [2024-11-16 20:51:02,270 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3447: call ULTIMATE.dealloc(pt_ready_wait_~#tr_cmd~0#1.base, pt_ready_wait_~#tr_cmd~0#1.offset);havoc pt_ready_wait_~#tr_cmd~0#1.base, pt_ready_wait_~#tr_cmd~0#1.offset; [2024-11-16 20:51:02,785 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4058: call ULTIMATE.dealloc(~#wr_cmd~0.base, ~#wr_cmd~0.offset);havoc ~#wr_cmd~0.base, ~#wr_cmd~0.offset; [2024-11-16 20:51:02,857 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3045: havoc #t~mem91; [2024-11-16 20:51:02,918 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5126: havoc #t~nondet406; [2024-11-16 20:51:02,923 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5133: havoc #t~nondet407; [2024-11-16 20:51:02,930 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5146: havoc #t~nondet408; [2024-11-16 20:51:03,200 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3328: call ULTIMATE.dealloc(~#rw_cmd~0.base, ~#rw_cmd~0.offset);havoc ~#rw_cmd~0.base, ~#rw_cmd~0.offset; [2024-11-16 20:51:03,218 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5090: havoc #t~nondet402; [2024-11-16 20:51:03,552 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3174: call ULTIMATE.dealloc(~#rs_cmd~0.base, ~#rs_cmd~0.offset);havoc ~#rs_cmd~0.base, ~#rs_cmd~0.offset;call ULTIMATE.dealloc(~#buf~0.base, ~#buf~0.offset);havoc ~#buf~0.base, ~#buf~0.offset; [2024-11-16 20:51:03,596 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5150: havoc schedule_timeout_interruptible_#t~nondet409#1; [2024-11-16 20:51:03,794 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3347: call ULTIMATE.dealloc(~#wm_cmd~0.base, ~#wm_cmd~0.offset);havoc ~#wm_cmd~0.base, ~#wm_cmd~0.offset; [2024-11-16 20:51:03,798 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2887: havoc #t~mem13; [2024-11-16 20:51:03,813 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5100: havoc #t~ret404.base, #t~ret404.offset; [2024-11-16 20:51:09,094 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4233: call ULTIMATE.dealloc(pt_init_~#__key~0#1.base, pt_init_~#__key~0#1.offset);havoc pt_init_~#__key~0#1.base, pt_init_~#__key~0#1.offset; [2024-11-16 20:51:09,094 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2814: havoc atomic_read_#t~mem9#1; [2024-11-16 20:51:09,094 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5094: havoc _copy_to_user_#t~nondet403#1; [2024-11-16 20:51:09,094 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5076: havoc __class_create_#t~ret400#1.base, __class_create_#t~ret400#1.offset; [2024-11-16 20:51:09,094 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3888: call ULTIMATE.dealloc(pt_read_~#rd_cmd~0#1.base, pt_read_~#rd_cmd~0#1.offset);havoc pt_read_~#rd_cmd~0#1.base, pt_read_~#rd_cmd~0#1.offset; [2024-11-16 20:51:09,095 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5083: havoc __register_chrdev_#t~nondet401#1; [2024-11-16 20:51:09,095 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2937: havoc __kmalloc_#t~ret32#1.base, __kmalloc_#t~ret32#1.offset; [2024-11-16 20:51:09,409 INFO L? ?]: Removed 709 outVars from TransFormulas that were not future-live. [2024-11-16 20:51:09,410 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 20:51:09,487 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 20:51:09,489 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 20:51:09,489 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 08:51:09 BoogieIcfgContainer [2024-11-16 20:51:09,490 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 20:51:09,492 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 20:51:09,493 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 20:51:09,496 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 20:51:09,496 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 08:50:54" (1/3) ... [2024-11-16 20:51:09,496 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a7db7d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:51:09, skipping insertion in model container [2024-11-16 20:51:09,497 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:50:56" (2/3) ... [2024-11-16 20:51:09,497 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a7db7d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:51:09, skipping insertion in model container [2024-11-16 20:51:09,497 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 08:51:09" (3/3) ... [2024-11-16 20:51:09,499 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pt.ko-main.cil.out.i [2024-11-16 20:51:09,516 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 20:51:09,516 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 20:51:09,614 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 20:51:09,623 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;@3e2617ad, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 20:51:09,623 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 20:51:09,633 INFO L276 IsEmpty]: Start isEmpty. Operand has 936 states, 699 states have (on average 1.3605150214592274) internal successors, (951), 724 states have internal predecessors, (951), 191 states have call successors, (191), 44 states have call predecessors, (191), 44 states have return successors, (191), 191 states have call predecessors, (191), 191 states have call successors, (191) [2024-11-16 20:51:09,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-16 20:51:09,646 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 20:51:09,647 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] [2024-11-16 20:51:09,647 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 20:51:09,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 20:51:09,652 INFO L85 PathProgramCache]: Analyzing trace with hash 566861213, now seen corresponding path program 1 times [2024-11-16 20:51:09,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 20:51:09,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320119816] [2024-11-16 20:51:09,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:51:09,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 20:51:10,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:51:10,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 20:51:10,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:51:11,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 20:51:11,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 20:51:11,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320119816] [2024-11-16 20:51:11,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320119816] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 20:51:11,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 20:51:11,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 20:51:11,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45856992] [2024-11-16 20:51:11,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 20:51:11,011 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 20:51:11,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 20:51:11,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 20:51:11,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 20:51:11,042 INFO L87 Difference]: Start difference. First operand has 936 states, 699 states have (on average 1.3605150214592274) internal successors, (951), 724 states have internal predecessors, (951), 191 states have call successors, (191), 44 states have call predecessors, (191), 44 states have return successors, (191), 191 states have call predecessors, (191), 191 states have call successors, (191) Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-16 20:51:11,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 20:51:11,670 INFO L93 Difference]: Finished difference Result 2278 states and 3303 transitions. [2024-11-16 20:51:11,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 20:51:11,672 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2024-11-16 20:51:11,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 20:51:11,695 INFO L225 Difference]: With dead ends: 2278 [2024-11-16 20:51:11,695 INFO L226 Difference]: Without dead ends: 1337 [2024-11-16 20:51:11,706 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 20:51:11,709 INFO L432 NwaCegarLoop]: 1573 mSDtfsCounter, 601 mSDsluCounter, 1203 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 601 SdHoareTripleChecker+Valid, 2776 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 20:51:11,710 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [601 Valid, 2776 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 20:51:11,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1337 states. [2024-11-16 20:51:11,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1337 to 1299. [2024-11-16 20:51:11,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1299 states, 965 states have (on average 1.3367875647668395) internal successors, (1290), 986 states have internal predecessors, (1290), 266 states have call successors, (266), 68 states have call predecessors, (266), 67 states have return successors, (260), 260 states have call predecessors, (260), 260 states have call successors, (260) [2024-11-16 20:51:11,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1299 states to 1299 states and 1816 transitions. [2024-11-16 20:51:11,854 INFO L78 Accepts]: Start accepts. Automaton has 1299 states and 1816 transitions. Word has length 20 [2024-11-16 20:51:11,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 20:51:11,855 INFO L471 AbstractCegarLoop]: Abstraction has 1299 states and 1816 transitions. [2024-11-16 20:51:11,856 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-16 20:51:11,856 INFO L276 IsEmpty]: Start isEmpty. Operand 1299 states and 1816 transitions. [2024-11-16 20:51:11,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-16 20:51:11,859 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 20:51:11,859 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] [2024-11-16 20:51:11,859 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 20:51:11,859 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 20:51:11,860 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 20:51:11,861 INFO L85 PathProgramCache]: Analyzing trace with hash -2053257095, now seen corresponding path program 1 times [2024-11-16 20:51:11,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 20:51:11,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92689639] [2024-11-16 20:51:11,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:51:11,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 20:51:12,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:51:12,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 20:51:12,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 20:51:12,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92689639] [2024-11-16 20:51:12,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [92689639] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 20:51:12,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 20:51:12,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 20:51:12,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697201892] [2024-11-16 20:51:12,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 20:51:12,741 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 20:51:12,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 20:51:12,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 20:51:12,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 20:51:12,743 INFO L87 Difference]: Start difference. First operand 1299 states and 1816 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 20:51:12,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 20:51:12,943 INFO L93 Difference]: Finished difference Result 2595 states and 3629 transitions. [2024-11-16 20:51:12,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 20:51:12,944 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2024-11-16 20:51:12,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 20:51:12,959 INFO L225 Difference]: With dead ends: 2595 [2024-11-16 20:51:12,959 INFO L226 Difference]: Without dead ends: 1299 [2024-11-16 20:51:12,967 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 20:51:12,969 INFO L432 NwaCegarLoop]: 1238 mSDtfsCounter, 1269 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1269 SdHoareTripleChecker+Valid, 1238 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 20:51:12,970 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1269 Valid, 1238 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 20:51:12,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1299 states. [2024-11-16 20:51:13,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1299 to 1299. [2024-11-16 20:51:13,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1299 states, 965 states have (on average 1.3347150259067357) internal successors, (1288), 986 states have internal predecessors, (1288), 266 states have call successors, (266), 68 states have call predecessors, (266), 67 states have return successors, (260), 260 states have call predecessors, (260), 260 states have call successors, (260) [2024-11-16 20:51:13,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1299 states to 1299 states and 1814 transitions. [2024-11-16 20:51:13,047 INFO L78 Accepts]: Start accepts. Automaton has 1299 states and 1814 transitions. Word has length 20 [2024-11-16 20:51:13,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 20:51:13,049 INFO L471 AbstractCegarLoop]: Abstraction has 1299 states and 1814 transitions. [2024-11-16 20:51:13,049 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 20:51:13,049 INFO L276 IsEmpty]: Start isEmpty. Operand 1299 states and 1814 transitions. [2024-11-16 20:51:13,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-16 20:51:13,053 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 20:51:13,053 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 20:51:13,053 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 20:51:13,053 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 20:51:13,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 20:51:13,054 INFO L85 PathProgramCache]: Analyzing trace with hash -32345056, now seen corresponding path program 1 times [2024-11-16 20:51:13,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 20:51:13,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946940087] [2024-11-16 20:51:13,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:51:13,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 20:51:13,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:51:13,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-16 20:51:13,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:51:13,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 20:51:13,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 20:51:13,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946940087] [2024-11-16 20:51:13,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946940087] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 20:51:13,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 20:51:13,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 20:51:13,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283370842] [2024-11-16 20:51:13,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 20:51:13,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 20:51:13,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 20:51:13,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 20:51:13,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 20:51:13,927 INFO L87 Difference]: Start difference. First operand 1299 states and 1814 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-16 20:51:17,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 20:51:21,996 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 20:51:28,782 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 20:51:32,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 20:51:36,832 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 20:51:40,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 20:51:40,779 INFO L93 Difference]: Finished difference Result 3322 states and 4653 transitions. [2024-11-16 20:51:40,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 20:51:40,780 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2024-11-16 20:51:40,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 20:51:40,792 INFO L225 Difference]: With dead ends: 3322 [2024-11-16 20:51:40,792 INFO L226 Difference]: Without dead ends: 2026 [2024-11-16 20:51:40,798 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-16 20:51:40,800 INFO L432 NwaCegarLoop]: 845 mSDtfsCounter, 1553 mSDsluCounter, 905 mSDsCounter, 0 mSdLazyCounter, 2296 mSolverCounterSat, 341 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1710 SdHoareTripleChecker+Valid, 1750 SdHoareTripleChecker+Invalid, 2642 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 341 IncrementalHoareTripleChecker+Valid, 2296 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.6s IncrementalHoareTripleChecker+Time [2024-11-16 20:51:40,800 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1710 Valid, 1750 Invalid, 2642 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [341 Valid, 2296 Invalid, 5 Unknown, 0 Unchecked, 26.6s Time] [2024-11-16 20:51:40,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2026 states. [2024-11-16 20:51:40,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2026 to 2021. [2024-11-16 20:51:40,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2021 states, 1506 states have (on average 1.341301460823373) internal successors, (2020), 1535 states have internal predecessors, (2020), 409 states have call successors, (409), 106 states have call predecessors, (409), 105 states have return successors, (403), 403 states have call predecessors, (403), 403 states have call successors, (403) [2024-11-16 20:51:40,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2021 states to 2021 states and 2832 transitions. [2024-11-16 20:51:40,902 INFO L78 Accepts]: Start accepts. Automaton has 2021 states and 2832 transitions. Word has length 29 [2024-11-16 20:51:40,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 20:51:40,902 INFO L471 AbstractCegarLoop]: Abstraction has 2021 states and 2832 transitions. [2024-11-16 20:51:40,902 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-16 20:51:40,903 INFO L276 IsEmpty]: Start isEmpty. Operand 2021 states and 2832 transitions. [2024-11-16 20:51:40,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-16 20:51:40,904 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 20:51:40,904 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 20:51:40,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 20:51:40,905 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 20:51:40,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 20:51:40,905 INFO L85 PathProgramCache]: Analyzing trace with hash -1713197193, now seen corresponding path program 1 times [2024-11-16 20:51:40,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 20:51:40,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245300340] [2024-11-16 20:51:40,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:51:40,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 20:51:41,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:51:41,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 20:51:41,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:51:41,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 20:51:41,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 20:51:41,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245300340] [2024-11-16 20:51:41,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245300340] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 20:51:41,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 20:51:41,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 20:51:41,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625604555] [2024-11-16 20:51:41,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 20:51:41,730 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 20:51:41,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 20:51:41,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 20:51:41,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 20:51:41,731 INFO L87 Difference]: Start difference. First operand 2021 states and 2832 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-16 20:51:42,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 20:51:42,063 INFO L93 Difference]: Finished difference Result 4071 states and 5709 transitions. [2024-11-16 20:51:42,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 20:51:42,064 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 33 [2024-11-16 20:51:42,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 20:51:42,079 INFO L225 Difference]: With dead ends: 4071 [2024-11-16 20:51:42,080 INFO L226 Difference]: Without dead ends: 2053 [2024-11-16 20:51:42,089 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 20:51:42,090 INFO L432 NwaCegarLoop]: 1233 mSDtfsCounter, 15 mSDsluCounter, 1229 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 2462 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 20:51:42,090 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 2462 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 20:51:42,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2053 states. [2024-11-16 20:51:42,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2053 to 2025. [2024-11-16 20:51:42,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2025 states, 1510 states have (on average 1.3403973509933775) internal successors, (2024), 1539 states have internal predecessors, (2024), 409 states have call successors, (409), 106 states have call predecessors, (409), 105 states have return successors, (403), 403 states have call predecessors, (403), 403 states have call successors, (403) [2024-11-16 20:51:42,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2025 states to 2025 states and 2836 transitions. [2024-11-16 20:51:42,185 INFO L78 Accepts]: Start accepts. Automaton has 2025 states and 2836 transitions. Word has length 33 [2024-11-16 20:51:42,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 20:51:42,185 INFO L471 AbstractCegarLoop]: Abstraction has 2025 states and 2836 transitions. [2024-11-16 20:51:42,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-16 20:51:42,186 INFO L276 IsEmpty]: Start isEmpty. Operand 2025 states and 2836 transitions. [2024-11-16 20:51:42,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-16 20:51:42,187 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 20:51:42,187 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 20:51:42,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 20:51:42,187 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 20:51:42,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 20:51:42,188 INFO L85 PathProgramCache]: Analyzing trace with hash 1080898244, now seen corresponding path program 1 times [2024-11-16 20:51:42,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 20:51:42,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815570288] [2024-11-16 20:51:42,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:51:42,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 20:51:42,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:51:43,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 20:51:43,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:51:43,012 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 20:51:43,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 20:51:43,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815570288] [2024-11-16 20:51:43,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815570288] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 20:51:43,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [309290253] [2024-11-16 20:51:43,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:51:43,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 20:51:43,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 20:51:43,017 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 20:51:43,018 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-16 20:51:44,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:51:44,231 INFO L255 TraceCheckSpWp]: Trace formula consists of 2711 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-16 20:51:44,238 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 20:51:44,319 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-16 20:51:44,319 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 20:51:44,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [309290253] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 20:51:44,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 20:51:44,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-16 20:51:44,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589600010] [2024-11-16 20:51:44,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 20:51:44,321 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 20:51:44,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 20:51:44,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 20:51:44,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 20:51:44,322 INFO L87 Difference]: Start difference. First operand 2025 states and 2836 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-16 20:51:44,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 20:51:44,597 INFO L93 Difference]: Finished difference Result 4067 states and 5697 transitions. [2024-11-16 20:51:44,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 20:51:44,598 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 41 [2024-11-16 20:51:44,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 20:51:44,613 INFO L225 Difference]: With dead ends: 4067 [2024-11-16 20:51:44,613 INFO L226 Difference]: Without dead ends: 2045 [2024-11-16 20:51:44,623 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 20:51:44,624 INFO L432 NwaCegarLoop]: 1237 mSDtfsCounter, 1 mSDsluCounter, 1234 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 2471 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 20:51:44,625 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 2471 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 20:51:44,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2045 states. [2024-11-16 20:51:44,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2045 to 2045. [2024-11-16 20:51:44,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2045 states, 1530 states have (on average 1.3398692810457515) internal successors, (2050), 1559 states have internal predecessors, (2050), 409 states have call successors, (409), 106 states have call predecessors, (409), 105 states have return successors, (403), 403 states have call predecessors, (403), 403 states have call successors, (403) [2024-11-16 20:51:44,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2045 states to 2045 states and 2862 transitions. [2024-11-16 20:51:44,722 INFO L78 Accepts]: Start accepts. Automaton has 2045 states and 2862 transitions. Word has length 41 [2024-11-16 20:51:44,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 20:51:44,723 INFO L471 AbstractCegarLoop]: Abstraction has 2045 states and 2862 transitions. [2024-11-16 20:51:44,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-16 20:51:44,723 INFO L276 IsEmpty]: Start isEmpty. Operand 2045 states and 2862 transitions. [2024-11-16 20:51:44,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-16 20:51:44,725 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 20:51:44,726 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 20:51:44,754 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-16 20:51:44,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 20:51:44,932 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 20:51:44,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 20:51:44,933 INFO L85 PathProgramCache]: Analyzing trace with hash -443364702, now seen corresponding path program 1 times [2024-11-16 20:51:44,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 20:51:44,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957942361] [2024-11-16 20:51:44,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:51:44,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 20:51:45,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:51:45,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 20:51:45,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:51:45,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 20:51:45,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:51:45,815 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 20:51:45,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 20:51:45,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957942361] [2024-11-16 20:51:45,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957942361] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 20:51:45,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [548142388] [2024-11-16 20:51:45,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:51:45,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 20:51:45,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 20:51:45,818 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 20:51:45,820 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-16 20:51:46,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:51:46,915 INFO L255 TraceCheckSpWp]: Trace formula consists of 2789 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-16 20:51:46,919 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 20:51:46,973 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-16 20:51:46,973 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 20:51:46,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [548142388] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 20:51:46,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 20:51:46,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-16 20:51:46,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235696768] [2024-11-16 20:51:46,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 20:51:46,975 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 20:51:46,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 20:51:46,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 20:51:46,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 20:51:46,976 INFO L87 Difference]: Start difference. First operand 2045 states and 2862 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-16 20:51:47,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 20:51:47,269 INFO L93 Difference]: Finished difference Result 4141 states and 5805 transitions. [2024-11-16 20:51:47,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 20:51:47,270 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 47 [2024-11-16 20:51:47,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 20:51:47,286 INFO L225 Difference]: With dead ends: 4141 [2024-11-16 20:51:47,287 INFO L226 Difference]: Without dead ends: 2099 [2024-11-16 20:51:47,296 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 20:51:47,299 INFO L432 NwaCegarLoop]: 1238 mSDtfsCounter, 13 mSDsluCounter, 1231 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 2469 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 20:51:47,299 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 2469 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 20:51:47,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2099 states. [2024-11-16 20:51:47,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2099 to 2099. [2024-11-16 20:51:47,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2099 states, 1572 states have (on average 1.340966921119593) internal successors, (2108), 1601 states have internal predecessors, (2108), 421 states have call successors, (421), 106 states have call predecessors, (421), 105 states have return successors, (415), 415 states have call predecessors, (415), 415 states have call successors, (415) [2024-11-16 20:51:47,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2099 states to 2099 states and 2944 transitions. [2024-11-16 20:51:47,394 INFO L78 Accepts]: Start accepts. Automaton has 2099 states and 2944 transitions. Word has length 47 [2024-11-16 20:51:47,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 20:51:47,396 INFO L471 AbstractCegarLoop]: Abstraction has 2099 states and 2944 transitions. [2024-11-16 20:51:47,397 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-16 20:51:47,397 INFO L276 IsEmpty]: Start isEmpty. Operand 2099 states and 2944 transitions. [2024-11-16 20:51:47,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-16 20:51:47,398 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 20:51:47,398 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 20:51:47,425 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-16 20:51:47,599 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-16 20:51:47,599 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 20:51:47,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 20:51:47,600 INFO L85 PathProgramCache]: Analyzing trace with hash -1693821821, now seen corresponding path program 1 times [2024-11-16 20:51:47,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 20:51:47,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157335486] [2024-11-16 20:51:47,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:51:47,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 20:51:48,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:51:48,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 20:51:48,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:51:48,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 20:51:48,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:51:48,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-16 20:51:48,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:51:48,425 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-16 20:51:48,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 20:51:48,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157335486] [2024-11-16 20:51:48,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157335486] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 20:51:48,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1184980350] [2024-11-16 20:51:48,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:51:48,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 20:51:48,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 20:51:48,429 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 20:51:48,431 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-16 20:51:49,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:51:49,661 INFO L255 TraceCheckSpWp]: Trace formula consists of 2811 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-16 20:51:49,665 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 20:51:49,687 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-16 20:51:49,687 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 20:51:49,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1184980350] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 20:51:49,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 20:51:49,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-16 20:51:49,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910181579] [2024-11-16 20:51:49,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 20:51:49,689 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 20:51:49,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 20:51:49,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 20:51:49,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 20:51:49,690 INFO L87 Difference]: Start difference. First operand 2099 states and 2944 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-16 20:51:49,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 20:51:49,958 INFO L93 Difference]: Finished difference Result 2123 states and 2972 transitions. [2024-11-16 20:51:49,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 20:51:49,958 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 53 [2024-11-16 20:51:49,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 20:51:50,025 INFO L225 Difference]: With dead ends: 2123 [2024-11-16 20:51:50,026 INFO L226 Difference]: Without dead ends: 2111 [2024-11-16 20:51:50,027 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 20:51:50,029 INFO L432 NwaCegarLoop]: 1252 mSDtfsCounter, 1274 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1274 SdHoareTripleChecker+Valid, 1266 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 20:51:50,029 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1274 Valid, 1266 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 20:51:50,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2111 states. [2024-11-16 20:51:50,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2111 to 2099. [2024-11-16 20:51:50,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2099 states, 1572 states have (on average 1.3396946564885497) internal successors, (2106), 1601 states have internal predecessors, (2106), 421 states have call successors, (421), 106 states have call predecessors, (421), 105 states have return successors, (415), 415 states have call predecessors, (415), 415 states have call successors, (415) [2024-11-16 20:51:50,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2099 states to 2099 states and 2942 transitions. [2024-11-16 20:51:50,126 INFO L78 Accepts]: Start accepts. Automaton has 2099 states and 2942 transitions. Word has length 53 [2024-11-16 20:51:50,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 20:51:50,127 INFO L471 AbstractCegarLoop]: Abstraction has 2099 states and 2942 transitions. [2024-11-16 20:51:50,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-16 20:51:50,127 INFO L276 IsEmpty]: Start isEmpty. Operand 2099 states and 2942 transitions. [2024-11-16 20:51:50,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-16 20:51:50,129 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 20:51:50,129 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 20:51:50,156 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-16 20:51:50,330 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 20:51:50,330 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 20:51:50,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 20:51:50,330 INFO L85 PathProgramCache]: Analyzing trace with hash -806318140, now seen corresponding path program 1 times [2024-11-16 20:51:50,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 20:51:50,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804633466] [2024-11-16 20:51:50,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:51:50,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 20:51:50,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:51:51,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 20:51:51,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:51:51,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 20:51:51,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:51:51,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-16 20:51:51,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:51:51,188 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-16 20:51:51,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 20:51:51,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804633466] [2024-11-16 20:51:51,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804633466] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 20:51:51,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1996764503] [2024-11-16 20:51:51,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:51:51,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 20:51:51,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 20:51:51,191 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 20:51:51,193 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-16 20:51:52,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:51:52,255 INFO L255 TraceCheckSpWp]: Trace formula consists of 2808 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-16 20:51:52,259 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 20:51:52,410 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-16 20:51:52,410 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 20:51:52,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1996764503] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 20:51:52,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 20:51:52,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-16 20:51:52,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197877509] [2024-11-16 20:51:52,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 20:51:52,411 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 20:51:52,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 20:51:52,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 20:51:52,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 20:51:52,412 INFO L87 Difference]: Start difference. First operand 2099 states and 2942 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-16 20:51:56,465 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 20:51:56,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 20:51:56,680 INFO L93 Difference]: Finished difference Result 2102 states and 2944 transitions. [2024-11-16 20:51:56,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 20:51:56,681 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 53 [2024-11-16 20:51:56,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 20:51:56,699 INFO L225 Difference]: With dead ends: 2102 [2024-11-16 20:51:56,699 INFO L226 Difference]: Without dead ends: 2098 [2024-11-16 20:51:56,702 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 20:51:56,703 INFO L432 NwaCegarLoop]: 1236 mSDtfsCounter, 1231 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1231 SdHoareTripleChecker+Valid, 1236 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-16 20:51:56,703 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1231 Valid, 1236 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-11-16 20:51:56,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2098 states. [2024-11-16 20:51:56,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2098 to 2098. [2024-11-16 20:51:56,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2098 states, 1572 states have (on average 1.339058524173028) internal successors, (2105), 1600 states have internal predecessors, (2105), 420 states have call successors, (420), 106 states have call predecessors, (420), 105 states have return successors, (415), 415 states have call predecessors, (415), 415 states have call successors, (415) [2024-11-16 20:51:56,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2098 states to 2098 states and 2940 transitions. [2024-11-16 20:51:56,813 INFO L78 Accepts]: Start accepts. Automaton has 2098 states and 2940 transitions. Word has length 53 [2024-11-16 20:51:56,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 20:51:56,814 INFO L471 AbstractCegarLoop]: Abstraction has 2098 states and 2940 transitions. [2024-11-16 20:51:56,814 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-16 20:51:56,814 INFO L276 IsEmpty]: Start isEmpty. Operand 2098 states and 2940 transitions. [2024-11-16 20:51:56,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-16 20:51:56,816 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 20:51:56,816 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 20:51:56,843 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-16 20:51:57,016 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 20:51:57,017 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 20:51:57,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 20:51:57,018 INFO L85 PathProgramCache]: Analyzing trace with hash 747979502, now seen corresponding path program 1 times [2024-11-16 20:51:57,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 20:51:57,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993105673] [2024-11-16 20:51:57,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:51:57,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 20:51:57,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:51:57,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 20:51:57,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:51:57,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 20:51:57,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:51:57,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-16 20:51:57,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:51:57,888 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-16 20:51:57,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 20:51:57,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993105673] [2024-11-16 20:51:57,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993105673] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 20:51:57,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1397110412] [2024-11-16 20:51:57,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:51:57,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 20:51:57,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 20:51:57,892 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 20:51:57,893 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-16 20:51:58,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:51:58,954 INFO L255 TraceCheckSpWp]: Trace formula consists of 2810 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-16 20:51:58,959 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 20:51:59,170 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-16 20:51:59,171 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 20:51:59,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1397110412] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 20:51:59,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 20:51:59,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-16 20:51:59,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775061565] [2024-11-16 20:51:59,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 20:51:59,171 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 20:51:59,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 20:51:59,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 20:51:59,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 20:51:59,172 INFO L87 Difference]: Start difference. First operand 2098 states and 2940 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-16 20:52:03,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 20:52:03,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 20:52:03,469 INFO L93 Difference]: Finished difference Result 2101 states and 2942 transitions. [2024-11-16 20:52:03,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 20:52:03,470 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 54 [2024-11-16 20:52:03,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 20:52:03,488 INFO L225 Difference]: With dead ends: 2101 [2024-11-16 20:52:03,489 INFO L226 Difference]: Without dead ends: 2097 [2024-11-16 20:52:03,492 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 20:52:03,494 INFO L432 NwaCegarLoop]: 1234 mSDtfsCounter, 1228 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1228 SdHoareTripleChecker+Valid, 1234 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-16 20:52:03,495 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1228 Valid, 1234 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-11-16 20:52:03,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2097 states. [2024-11-16 20:52:03,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2097 to 2097. [2024-11-16 20:52:03,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2097 states, 1572 states have (on average 1.3384223918575064) internal successors, (2104), 1599 states have internal predecessors, (2104), 419 states have call successors, (419), 106 states have call predecessors, (419), 105 states have return successors, (415), 415 states have call predecessors, (415), 415 states have call successors, (415) [2024-11-16 20:52:03,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2097 states to 2097 states and 2938 transitions. [2024-11-16 20:52:03,625 INFO L78 Accepts]: Start accepts. Automaton has 2097 states and 2938 transitions. Word has length 54 [2024-11-16 20:52:03,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 20:52:03,628 INFO L471 AbstractCegarLoop]: Abstraction has 2097 states and 2938 transitions. [2024-11-16 20:52:03,629 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-16 20:52:03,629 INFO L276 IsEmpty]: Start isEmpty. Operand 2097 states and 2938 transitions. [2024-11-16 20:52:03,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-16 20:52:03,630 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 20:52:03,630 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 20:52:03,660 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-16 20:52:03,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 20:52:03,832 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 20:52:03,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 20:52:03,833 INFO L85 PathProgramCache]: Analyzing trace with hash 1686534435, now seen corresponding path program 1 times [2024-11-16 20:52:03,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 20:52:03,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041723275] [2024-11-16 20:52:03,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:52:03,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 20:52:04,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:52:04,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 20:52:04,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:52:04,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 20:52:04,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:52:04,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-16 20:52:04,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:52:04,643 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-16 20:52:04,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 20:52:04,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041723275] [2024-11-16 20:52:04,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1041723275] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 20:52:04,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1024088388] [2024-11-16 20:52:04,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:52:04,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 20:52:04,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 20:52:04,646 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 20:52:04,648 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-16 20:52:05,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:52:05,766 INFO L255 TraceCheckSpWp]: Trace formula consists of 2812 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-16 20:52:05,769 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 20:52:05,957 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-16 20:52:05,957 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 20:52:05,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1024088388] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 20:52:05,957 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 20:52:05,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-16 20:52:05,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208127848] [2024-11-16 20:52:05,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 20:52:05,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 20:52:05,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 20:52:05,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 20:52:05,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 20:52:05,959 INFO L87 Difference]: Start difference. First operand 2097 states and 2938 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-16 20:52:09,993 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 20:52:10,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 20:52:10,202 INFO L93 Difference]: Finished difference Result 2100 states and 2940 transitions. [2024-11-16 20:52:10,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 20:52:10,203 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 55 [2024-11-16 20:52:10,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 20:52:10,217 INFO L225 Difference]: With dead ends: 2100 [2024-11-16 20:52:10,217 INFO L226 Difference]: Without dead ends: 2096 [2024-11-16 20:52:10,219 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 20:52:10,220 INFO L432 NwaCegarLoop]: 1232 mSDtfsCounter, 1225 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1225 SdHoareTripleChecker+Valid, 1232 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-16 20:52:10,221 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1225 Valid, 1232 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-11-16 20:52:10,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2096 states. [2024-11-16 20:52:10,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2096 to 2096. [2024-11-16 20:52:10,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2096 states, 1572 states have (on average 1.3377862595419847) internal successors, (2103), 1598 states have internal predecessors, (2103), 418 states have call successors, (418), 106 states have call predecessors, (418), 105 states have return successors, (415), 415 states have call predecessors, (415), 415 states have call successors, (415) [2024-11-16 20:52:10,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2096 states to 2096 states and 2936 transitions. [2024-11-16 20:52:10,344 INFO L78 Accepts]: Start accepts. Automaton has 2096 states and 2936 transitions. Word has length 55 [2024-11-16 20:52:10,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 20:52:10,346 INFO L471 AbstractCegarLoop]: Abstraction has 2096 states and 2936 transitions. [2024-11-16 20:52:10,346 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-16 20:52:10,346 INFO L276 IsEmpty]: Start isEmpty. Operand 2096 states and 2936 transitions. [2024-11-16 20:52:10,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-16 20:52:10,347 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 20:52:10,347 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 20:52:10,375 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-16 20:52:10,548 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 20:52:10,548 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 20:52:10,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 20:52:10,550 INFO L85 PathProgramCache]: Analyzing trace with hash 716934573, now seen corresponding path program 1 times [2024-11-16 20:52:10,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 20:52:10,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754457358] [2024-11-16 20:52:10,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:52:10,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 20:52:10,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:52:11,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 20:52:11,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:52:11,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 20:52:11,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:52:11,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-16 20:52:11,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:52:11,244 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-16 20:52:11,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 20:52:11,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754457358] [2024-11-16 20:52:11,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754457358] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 20:52:11,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1762009599] [2024-11-16 20:52:11,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:52:11,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 20:52:11,245 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 20:52:11,247 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 20:52:11,249 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-16 20:52:12,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:52:12,330 INFO L255 TraceCheckSpWp]: Trace formula consists of 2814 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-16 20:52:12,333 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 20:52:12,485 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-16 20:52:12,485 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 20:52:12,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1762009599] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 20:52:12,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 20:52:12,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-16 20:52:12,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565591675] [2024-11-16 20:52:12,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 20:52:12,486 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 20:52:12,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 20:52:12,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 20:52:12,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 20:52:12,487 INFO L87 Difference]: Start difference. First operand 2096 states and 2936 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-16 20:52:16,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 20:52:16,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 20:52:16,837 INFO L93 Difference]: Finished difference Result 2664 states and 3681 transitions. [2024-11-16 20:52:16,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 20:52:16,837 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 56 [2024-11-16 20:52:16,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 20:52:16,855 INFO L225 Difference]: With dead ends: 2664 [2024-11-16 20:52:16,855 INFO L226 Difference]: Without dead ends: 2615 [2024-11-16 20:52:16,858 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 20:52:16,859 INFO L432 NwaCegarLoop]: 1401 mSDtfsCounter, 1128 mSDsluCounter, 503 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1128 SdHoareTripleChecker+Valid, 1904 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-16 20:52:16,859 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1128 Valid, 1904 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 63 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-11-16 20:52:16,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2615 states. [2024-11-16 20:52:16,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2615 to 2615. [2024-11-16 20:52:16,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2615 states, 1926 states have (on average 1.3224299065420562) internal successors, (2547), 1961 states have internal predecessors, (2547), 536 states have call successors, (536), 153 states have call predecessors, (536), 152 states have return successors, (535), 535 states have call predecessors, (535), 535 states have call successors, (535) [2024-11-16 20:52:17,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2615 states to 2615 states and 3618 transitions. [2024-11-16 20:52:17,007 INFO L78 Accepts]: Start accepts. Automaton has 2615 states and 3618 transitions. Word has length 56 [2024-11-16 20:52:17,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 20:52:17,008 INFO L471 AbstractCegarLoop]: Abstraction has 2615 states and 3618 transitions. [2024-11-16 20:52:17,009 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-16 20:52:17,009 INFO L276 IsEmpty]: Start isEmpty. Operand 2615 states and 3618 transitions. [2024-11-16 20:52:17,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-16 20:52:17,012 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 20:52:17,013 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 20:52:17,039 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-16 20:52:17,213 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 20:52:17,214 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 20:52:17,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 20:52:17,214 INFO L85 PathProgramCache]: Analyzing trace with hash 1208914817, now seen corresponding path program 1 times [2024-11-16 20:52:17,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 20:52:17,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288936917] [2024-11-16 20:52:17,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:52:17,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 20:52:17,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:52:17,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 20:52:17,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:52:17,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 20:52:17,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:52:17,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-16 20:52:17,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:52:17,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 20:52:17,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:52:17,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-16 20:52:17,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:52:17,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-16 20:52:17,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:52:17,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-16 20:52:17,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:52:17,882 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-16 20:52:17,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 20:52:17,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288936917] [2024-11-16 20:52:17,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288936917] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 20:52:17,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [373879413] [2024-11-16 20:52:17,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:52:17,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 20:52:17,883 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 20:52:17,885 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 20:52:17,886 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process