./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 8be7027f 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-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 09:47:03,647 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 09:47:03,729 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-12 09:47:03,733 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 09:47:03,734 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 09:47:03,773 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 09:47:03,773 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 09:47:03,774 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 09:47:03,774 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 09:47:03,774 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 09:47:03,775 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 09:47:03,776 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 09:47:03,777 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 09:47:03,782 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 09:47:03,782 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 09:47:03,783 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 09:47:03,783 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 09:47:03,783 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 09:47:03,783 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 09:47:03,783 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 09:47:03,784 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 09:47:03,785 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 09:47:03,785 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 09:47:03,786 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 09:47:03,786 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 09:47:03,786 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 09:47:03,786 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 09:47:03,786 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 09:47:03,787 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 09:47:03,787 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 09:47:03,787 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 09:47:03,787 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 09:47:03,787 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 09:47:03,788 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 09:47:03,788 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 09:47:03,788 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 09:47:03,790 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 09:47:03,790 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 09:47:03,790 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 09:47:03,791 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b154baf348652a9aadd484f41053a90df6581eb3d7346fd488d4cc05040e74b [2024-11-12 09:47:04,019 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 09:47:04,046 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 09:47:04,050 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 09:47:04,051 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 09:47:04,051 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 09:47:04,052 INFO L431 ainManager$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 [2024-11-12 09:47:05,519 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 09:47:05,952 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 09:47:05,953 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 [2024-11-12 09:47:05,991 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79f2a4083/ec6441e70e1147febf8e0e5a6e708c44/FLAGec98559c0 [2024-11-12 09:47:06,102 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79f2a4083/ec6441e70e1147febf8e0e5a6e708c44 [2024-11-12 09:47:06,104 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 09:47:06,105 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 09:47:06,106 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 09:47:06,107 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 09:47:06,113 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 09:47:06,114 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 09:47:06" (1/1) ... [2024-11-12 09:47:06,115 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@416a7630 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:47:06, skipping insertion in model container [2024-11-12 09:47:06,115 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 09:47:06" (1/1) ... [2024-11-12 09:47:06,223 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 09:47:07,126 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] [2024-11-12 09:47:07,218 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 09:47:07,268 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 09:47:07,360 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] [2024-11-12 09:47:07,363 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] [2024-11-12 09:47:07,479 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] [2024-11-12 09:47:07,490 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 09:47:07,560 INFO L204 MainTranslator]: Completed translation [2024-11-12 09:47:07,561 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:47:07 WrapperNode [2024-11-12 09:47:07,561 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 09:47:07,563 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 09:47:07,563 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 09:47:07,563 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 09:47:07,570 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:47:07" (1/1) ... [2024-11-12 09:47:07,647 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:47:07" (1/1) ... [2024-11-12 09:47:07,815 INFO L138 Inliner]: procedures = 146, calls = 1519, calls flagged for inlining = 50, calls inlined = 42, statements flattened = 2430 [2024-11-12 09:47:07,816 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 09:47:07,817 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 09:47:07,817 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 09:47:07,817 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 09:47:07,828 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:47:07" (1/1) ... [2024-11-12 09:47:07,833 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:47:07" (1/1) ... [2024-11-12 09:47:07,878 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:47:07" (1/1) ... [2024-11-12 09:47:08,030 INFO L175 MemorySlicer]: Split 1097 memory accesses to 21 slices as follows [2, 28, 3, 512, 5, 1, 1, 11, 24, 6, 11, 3, 1, 5, 31, 6, 392, 13, 29, 11, 2]. 47 percent of accesses are in the largest equivalence class. The 797 initializations are split as follows [2, 0, 0, 512, 5, 1, 0, 11, 0, 0, 11, 3, 0, 0, 24, 6, 176, 13, 29, 4, 0]. The 201 writes are split as follows [0, 28, 2, 0, 0, 0, 0, 0, 24, 5, 0, 0, 0, 1, 0, 0, 139, 0, 0, 0, 2]. [2024-11-12 09:47:08,033 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:47:07" (1/1) ... [2024-11-12 09:47:08,033 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:47:07" (1/1) ... [2024-11-12 09:47:08,118 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:47:07" (1/1) ... [2024-11-12 09:47:08,138 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:47:07" (1/1) ... [2024-11-12 09:47:08,165 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:47:07" (1/1) ... [2024-11-12 09:47:08,178 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:47:07" (1/1) ... [2024-11-12 09:47:08,212 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 09:47:08,213 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 09:47:08,213 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 09:47:08,214 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 09:47:08,214 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:47:07" (1/1) ... [2024-11-12 09:47:08,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 09:47:08,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 09:47:08,252 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) [2024-11-12 09:47:08,255 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 [2024-11-12 09:47:08,301 INFO L130 BoogieDeclarations]: Found specification of procedure pi_release [2024-11-12 09:47:08,301 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_release [2024-11-12 09:47:08,301 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2024-11-12 09:47:08,302 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2024-11-12 09:47:08,302 INFO L130 BoogieDeclarations]: Found specification of procedure pi_disconnect [2024-11-12 09:47:08,302 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_disconnect [2024-11-12 09:47:08,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_pt_mutex [2024-11-12 09:47:08,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_pt_mutex [2024-11-12 09:47:08,304 INFO L130 BoogieDeclarations]: Found specification of procedure status_reg [2024-11-12 09:47:08,304 INFO L138 BoogieDeclarations]: Found implementation of procedure status_reg [2024-11-12 09:47:08,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-12 09:47:08,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-12 09:47:08,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-12 09:47:08,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-12 09:47:08,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-12 09:47:08,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-12 09:47:08,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-12 09:47:08,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-12 09:47:08,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-12 09:47:08,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-12 09:47:08,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-12 09:47:08,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-12 09:47:08,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-12 09:47:08,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-12 09:47:08,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-12 09:47:08,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-12 09:47:08,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-12 09:47:08,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-12 09:47:08,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-12 09:47:08,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-12 09:47:08,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-11-12 09:47:08,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-12 09:47:08,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-12 09:47:08,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-12 09:47:08,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-12 09:47:08,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-12 09:47:08,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-12 09:47:08,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-12 09:47:08,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-12 09:47:08,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-12 09:47:08,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-12 09:47:08,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-12 09:47:08,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-12 09:47:08,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-12 09:47:08,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-12 09:47:08,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-12 09:47:08,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-12 09:47:08,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-12 09:47:08,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-12 09:47:08,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-12 09:47:08,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-11-12 09:47:08,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-11-12 09:47:08,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-12 09:47:08,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-12 09:47:08,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-12 09:47:08,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-12 09:47:08,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-12 09:47:08,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-12 09:47:08,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-12 09:47:08,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-12 09:47:08,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-12 09:47:08,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-12 09:47:08,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-12 09:47:08,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-12 09:47:08,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-12 09:47:08,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-12 09:47:08,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-12 09:47:08,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-12 09:47:08,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-12 09:47:08,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-12 09:47:08,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-12 09:47:08,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-12 09:47:08,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-12 09:47:08,314 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_block [2024-11-12 09:47:08,314 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_block [2024-11-12 09:47:08,314 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2024-11-12 09:47:08,314 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2024-11-12 09:47:08,314 INFO L130 BoogieDeclarations]: Found specification of procedure pt_media_access_cmd [2024-11-12 09:47:08,314 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_media_access_cmd [2024-11-12 09:47:08,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-12 09:47:08,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-12 09:47:08,314 INFO L130 BoogieDeclarations]: Found specification of procedure pt_reset [2024-11-12 09:47:08,315 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_reset [2024-11-12 09:47:08,315 INFO L130 BoogieDeclarations]: Found specification of procedure pt_identify [2024-11-12 09:47:08,316 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_identify [2024-11-12 09:47:08,316 INFO L130 BoogieDeclarations]: Found specification of procedure pt_command [2024-11-12 09:47:08,316 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_command [2024-11-12 09:47:08,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-12 09:47:08,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-12 09:47:08,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-12 09:47:08,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-12 09:47:08,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-12 09:47:08,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-12 09:47:08,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-12 09:47:08,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-12 09:47:08,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-12 09:47:08,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-12 09:47:08,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-12 09:47:08,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-12 09:47:08,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-12 09:47:08,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-12 09:47:08,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-12 09:47:08,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-12 09:47:08,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-12 09:47:08,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-12 09:47:08,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-12 09:47:08,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-12 09:47:08,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-12 09:47:08,317 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-12 09:47:08,317 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-12 09:47:08,317 INFO L130 BoogieDeclarations]: Found specification of procedure pt_write [2024-11-12 09:47:08,317 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_write [2024-11-12 09:47:08,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-12 09:47:08,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-12 09:47:08,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-12 09:47:08,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-12 09:47:08,318 INFO L130 BoogieDeclarations]: Found specification of procedure pt_atapi [2024-11-12 09:47:08,318 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_atapi [2024-11-12 09:47:08,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-12 09:47:08,318 INFO L130 BoogieDeclarations]: Found specification of procedure pt_poll_dsc [2024-11-12 09:47:08,318 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_poll_dsc [2024-11-12 09:47:08,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_pt_mutex [2024-11-12 09:47:08,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_pt_mutex [2024-11-12 09:47:08,318 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-12 09:47:08,318 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-12 09:47:08,318 INFO L130 BoogieDeclarations]: Found specification of procedure pt_req_sense [2024-11-12 09:47:08,318 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_req_sense [2024-11-12 09:47:08,319 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2024-11-12 09:47:08,319 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2024-11-12 09:47:08,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 09:47:08,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_17 [2024-11-12 09:47:08,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_17 [2024-11-12 09:47:08,319 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2024-11-12 09:47:08,319 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2024-11-12 09:47:08,321 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-12 09:47:08,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-12 09:47:08,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-12 09:47:08,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-12 09:47:08,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-12 09:47:08,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-12 09:47:08,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-12 09:47:08,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-12 09:47:08,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-12 09:47:08,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-12 09:47:08,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-12 09:47:08,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-12 09:47:08,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-12 09:47:08,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-12 09:47:08,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-12 09:47:08,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-12 09:47:08,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-12 09:47:08,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-12 09:47:08,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-12 09:47:08,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-12 09:47:08,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-12 09:47:08,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-12 09:47:08,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-11-12 09:47:08,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-12 09:47:08,326 INFO L130 BoogieDeclarations]: Found specification of procedure DRIVE [2024-11-12 09:47:08,326 INFO L138 BoogieDeclarations]: Found implementation of procedure DRIVE [2024-11-12 09:47:08,326 INFO L130 BoogieDeclarations]: Found specification of procedure pt_completion [2024-11-12 09:47:08,326 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_completion [2024-11-12 09:47:08,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-12 09:47:08,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-12 09:47:08,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-12 09:47:08,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-12 09:47:08,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-12 09:47:08,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-12 09:47:08,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-12 09:47:08,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-12 09:47:08,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-12 09:47:08,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-12 09:47:08,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-12 09:47:08,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-12 09:47:08,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-12 09:47:08,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-12 09:47:08,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-12 09:47:08,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-12 09:47:08,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-12 09:47:08,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-12 09:47:08,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-12 09:47:08,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-12 09:47:08,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-11-12 09:47:08,329 INFO L130 BoogieDeclarations]: Found specification of procedure pt_sleep [2024-11-12 09:47:08,329 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_sleep [2024-11-12 09:47:08,329 INFO L130 BoogieDeclarations]: Found specification of procedure pt_write_fm [2024-11-12 09:47:08,329 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_write_fm [2024-11-12 09:47:08,329 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2024-11-12 09:47:08,329 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2024-11-12 09:47:08,330 INFO L130 BoogieDeclarations]: Found specification of procedure pi_write_block [2024-11-12 09:47:08,330 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_write_block [2024-11-12 09:47:08,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-12 09:47:08,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-12 09:47:08,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-12 09:47:08,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-12 09:47:08,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-12 09:47:08,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-12 09:47:08,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-12 09:47:08,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-12 09:47:08,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-12 09:47:08,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-12 09:47:08,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-12 09:47:08,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-12 09:47:08,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-12 09:47:08,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-12 09:47:08,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-12 09:47:08,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-12 09:47:08,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-12 09:47:08,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-12 09:47:08,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-12 09:47:08,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-12 09:47:08,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-11-12 09:47:08,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-11-12 09:47:08,333 INFO L130 BoogieDeclarations]: Found specification of procedure pi_init [2024-11-12 09:47:08,333 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_init [2024-11-12 09:47:08,333 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_regr [2024-11-12 09:47:08,333 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_regr [2024-11-12 09:47:08,333 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2024-11-12 09:47:08,333 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2024-11-12 09:47:08,333 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-12 09:47:08,333 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-12 09:47:08,334 INFO L130 BoogieDeclarations]: Found specification of procedure pt_wait [2024-11-12 09:47:08,334 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_wait [2024-11-12 09:47:08,334 INFO L130 BoogieDeclarations]: Found specification of procedure pi_connect [2024-11-12 09:47:08,334 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_connect [2024-11-12 09:47:08,334 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2024-11-12 09:47:08,334 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2024-11-12 09:47:08,334 INFO L130 BoogieDeclarations]: Found specification of procedure pt_probe [2024-11-12 09:47:08,334 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_probe [2024-11-12 09:47:08,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 09:47:08,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-12 09:47:08,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-12 09:47:08,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-12 09:47:08,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-12 09:47:08,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-12 09:47:08,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-12 09:47:08,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-12 09:47:08,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-12 09:47:08,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-12 09:47:08,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-12 09:47:08,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-12 09:47:08,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-12 09:47:08,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-12 09:47:08,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-12 09:47:08,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-12 09:47:08,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-12 09:47:08,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-12 09:47:08,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-12 09:47:08,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-12 09:47:08,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-12 09:47:08,335 INFO L130 BoogieDeclarations]: Found specification of procedure pt_rewind [2024-11-12 09:47:08,335 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_rewind [2024-11-12 09:47:08,335 INFO L130 BoogieDeclarations]: Found specification of procedure device_create [2024-11-12 09:47:08,336 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create [2024-11-12 09:47:08,336 INFO L130 BoogieDeclarations]: Found specification of procedure xn [2024-11-12 09:47:08,336 INFO L138 BoogieDeclarations]: Found implementation of procedure xn [2024-11-12 09:47:08,336 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2024-11-12 09:47:08,336 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2024-11-12 09:47:08,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 09:47:08,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 09:47:08,336 INFO L130 BoogieDeclarations]: Found specification of procedure xs [2024-11-12 09:47:08,336 INFO L138 BoogieDeclarations]: Found implementation of procedure xs [2024-11-12 09:47:08,909 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 09:47:08,914 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 09:47:21,377 INFO L? ?]: Removed 709 outVars from TransFormulas that were not future-live. [2024-11-12 09:47:21,378 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 09:47:21,421 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 09:47:21,421 INFO L316 CfgBuilder]: Removed 5 assume(true) statements. [2024-11-12 09:47:21,422 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 09:47:21 BoogieIcfgContainer [2024-11-12 09:47:21,422 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 09:47:21,424 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 09:47:21,424 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 09:47:21,428 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 09:47:21,428 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 09:47:06" (1/3) ... [2024-11-12 09:47:21,429 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bf51f59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 09:47:21, skipping insertion in model container [2024-11-12 09:47:21,429 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:47:07" (2/3) ... [2024-11-12 09:47:21,429 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bf51f59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 09:47:21, skipping insertion in model container [2024-11-12 09:47:21,430 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 09:47:21" (3/3) ... [2024-11-12 09:47:21,431 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pt.ko-main.cil.out.i [2024-11-12 09:47:21,449 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 09:47:21,450 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 09:47:21,551 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 09:47:21,558 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;@2f932084, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 09:47:21,559 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 09:47:21,568 INFO L276 IsEmpty]: Start isEmpty. Operand has 874 states, 641 states have (on average 1.3868954758190328) internal successors, (889), 662 states have internal predecessors, (889), 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) [2024-11-12 09:47:21,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-12 09:47:21,576 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 09:47:21,577 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 09:47:21,578 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 09:47:21,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 09:47:21,583 INFO L85 PathProgramCache]: Analyzing trace with hash 209911258, now seen corresponding path program 1 times [2024-11-12 09:47:21,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 09:47:21,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481681884] [2024-11-12 09:47:21,593 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 09:47:21,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 09:47:22,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:47:22,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-12 09:47:22,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:47:22,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 09:47:22,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 09:47:22,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481681884] [2024-11-12 09:47:22,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481681884] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 09:47:22,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 09:47:22,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 09:47:22,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594456787] [2024-11-12 09:47:22,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 09:47:22,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 09:47:22,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 09:47:22,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 09:47:22,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 09:47:22,956 INFO L87 Difference]: Start difference. First operand has 874 states, 641 states have (on average 1.3868954758190328) internal successors, (889), 662 states have internal predecessors, (889), 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 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2024-11-12 09:47:23,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 09:47:23,449 INFO L93 Difference]: Finished difference Result 2136 states and 3161 transitions. [2024-11-12 09:47:23,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 09:47:23,454 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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 19 [2024-11-12 09:47:23,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 09:47:23,484 INFO L225 Difference]: With dead ends: 2136 [2024-11-12 09:47:23,484 INFO L226 Difference]: Without dead ends: 1257 [2024-11-12 09:47:23,497 INFO L434 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 [2024-11-12 09:47:23,500 INFO L435 NwaCegarLoop]: 1561 mSDtfsCounter, 572 mSDsluCounter, 1192 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 572 SdHoareTripleChecker+Valid, 2753 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 09:47:23,503 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [572 Valid, 2753 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 09:47:23,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1257 states. [2024-11-12 09:47:23,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1257 to 1221. [2024-11-12 09:47:23,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1221 states, 887 states have (on average 1.3664036076662909) internal successors, (1212), 908 states have internal predecessors, (1212), 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) [2024-11-12 09:47:23,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1221 states to 1221 states and 1738 transitions. [2024-11-12 09:47:23,656 INFO L78 Accepts]: Start accepts. Automaton has 1221 states and 1738 transitions. Word has length 19 [2024-11-12 09:47:23,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 09:47:23,658 INFO L471 AbstractCegarLoop]: Abstraction has 1221 states and 1738 transitions. [2024-11-12 09:47:23,659 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2024-11-12 09:47:23,660 INFO L276 IsEmpty]: Start isEmpty. Operand 1221 states and 1738 transitions. [2024-11-12 09:47:23,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-12 09:47:23,661 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 09:47:23,662 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 09:47:23,662 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 09:47:23,662 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 09:47:23,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 09:47:23,663 INFO L85 PathProgramCache]: Analyzing trace with hash -1258273715, now seen corresponding path program 1 times [2024-11-12 09:47:23,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 09:47:23,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701685391] [2024-11-12 09:47:23,664 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 09:47:23,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 09:47:24,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:47:24,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 09:47:24,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 09:47:24,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701685391] [2024-11-12 09:47:24,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701685391] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 09:47:24,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 09:47:24,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 09:47:24,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538122971] [2024-11-12 09:47:24,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 09:47:24,589 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 09:47:24,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 09:47:24,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 09:47:24,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 09:47:24,590 INFO L87 Difference]: Start difference. First operand 1221 states and 1738 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 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) [2024-11-12 09:47:24,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 09:47:24,675 INFO L93 Difference]: Finished difference Result 2439 states and 3473 transitions. [2024-11-12 09:47:24,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 09:47:24,676 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 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 19 [2024-11-12 09:47:24,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 09:47:24,689 INFO L225 Difference]: With dead ends: 2439 [2024-11-12 09:47:24,689 INFO L226 Difference]: Without dead ends: 1221 [2024-11-12 09:47:24,696 INFO L434 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 [2024-11-12 09:47:24,697 INFO L435 NwaCegarLoop]: 1225 mSDtfsCounter, 1216 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1216 SdHoareTripleChecker+Valid, 1225 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 09:47:24,698 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1216 Valid, 1225 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 09:47:24,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1221 states. [2024-11-12 09:47:24,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1221 to 1221. [2024-11-12 09:47:24,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1221 states, 887 states have (on average 1.3641488162344984) internal successors, (1210), 908 states have internal predecessors, (1210), 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) [2024-11-12 09:47:24,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1221 states to 1221 states and 1736 transitions. [2024-11-12 09:47:24,771 INFO L78 Accepts]: Start accepts. Automaton has 1221 states and 1736 transitions. Word has length 19 [2024-11-12 09:47:24,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 09:47:24,772 INFO L471 AbstractCegarLoop]: Abstraction has 1221 states and 1736 transitions. [2024-11-12 09:47:24,772 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 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) [2024-11-12 09:47:24,772 INFO L276 IsEmpty]: Start isEmpty. Operand 1221 states and 1736 transitions. [2024-11-12 09:47:24,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-12 09:47:24,773 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 09:47:24,774 INFO L218 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] [2024-11-12 09:47:24,774 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 09:47:24,774 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 09:47:24,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 09:47:24,775 INFO L85 PathProgramCache]: Analyzing trace with hash -1011013939, now seen corresponding path program 1 times [2024-11-12 09:47:24,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 09:47:24,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526094813] [2024-11-12 09:47:24,775 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 09:47:24,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 09:47:25,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:47:25,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-12 09:47:25,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:47:25,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 09:47:25,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 09:47:25,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526094813] [2024-11-12 09:47:25,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526094813] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 09:47:25,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 09:47:25,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 09:47:25,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241441458] [2024-11-12 09:47:25,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 09:47:25,699 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 09:47:25,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 09:47:25,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 09:47:25,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 09:47:25,701 INFO L87 Difference]: Start difference. First operand 1221 states and 1736 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 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) [2024-11-12 09:47:29,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-12 09:47:33,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-12 09:47:39,644 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-12 09:47:43,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-12 09:47:46,021 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-12 09:47:50,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 09:47:50,194 INFO L93 Difference]: Finished difference Result 3133 states and 4464 transitions. [2024-11-12 09:47:50,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 09:47:50,195 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 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 25 [2024-11-12 09:47:50,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 09:47:50,207 INFO L225 Difference]: With dead ends: 3133 [2024-11-12 09:47:50,207 INFO L226 Difference]: Without dead ends: 1915 [2024-11-12 09:47:50,212 INFO L434 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 [2024-11-12 09:47:50,218 INFO L435 NwaCegarLoop]: 568 mSDtfsCounter, 1858 mSDsluCounter, 717 mSDsCounter, 0 mSdLazyCounter, 1537 mSolverCounterSat, 551 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2015 SdHoareTripleChecker+Valid, 1285 SdHoareTripleChecker+Invalid, 2092 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 551 IncrementalHoareTripleChecker+Valid, 1537 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.2s IncrementalHoareTripleChecker+Time [2024-11-12 09:47:50,218 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2015 Valid, 1285 Invalid, 2092 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [551 Valid, 1537 Invalid, 4 Unknown, 0 Unchecked, 24.2s Time] [2024-11-12 09:47:50,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1915 states. [2024-11-12 09:47:50,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1915 to 1911. [2024-11-12 09:47:50,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1911 states, 1396 states have (on average 1.3681948424068768) internal successors, (1910), 1425 states have internal predecessors, (1910), 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) [2024-11-12 09:47:50,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1911 states to 1911 states and 2722 transitions. [2024-11-12 09:47:50,320 INFO L78 Accepts]: Start accepts. Automaton has 1911 states and 2722 transitions. Word has length 25 [2024-11-12 09:47:50,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 09:47:50,320 INFO L471 AbstractCegarLoop]: Abstraction has 1911 states and 2722 transitions. [2024-11-12 09:47:50,321 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 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) [2024-11-12 09:47:50,321 INFO L276 IsEmpty]: Start isEmpty. Operand 1911 states and 2722 transitions. [2024-11-12 09:47:50,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-12 09:47:50,323 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 09:47:50,324 INFO L218 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] [2024-11-12 09:47:50,325 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 09:47:50,325 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 09:47:50,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 09:47:50,325 INFO L85 PathProgramCache]: Analyzing trace with hash 1779130142, now seen corresponding path program 1 times [2024-11-12 09:47:50,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 09:47:50,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501633297] [2024-11-12 09:47:50,326 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 09:47:50,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 09:47:50,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:47:51,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 09:47:51,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:47:51,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 09:47:51,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 09:47:51,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501633297] [2024-11-12 09:47:51,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501633297] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 09:47:51,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 09:47:51,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 09:47:51,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271794558] [2024-11-12 09:47:51,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 09:47:51,080 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 09:47:51,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 09:47:51,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 09:47:51,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 09:47:51,082 INFO L87 Difference]: Start difference. First operand 1911 states and 2722 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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) [2024-11-12 09:47:51,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 09:47:51,241 INFO L93 Difference]: Finished difference Result 3847 states and 5485 transitions. [2024-11-12 09:47:51,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 09:47:51,242 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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 29 [2024-11-12 09:47:51,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 09:47:51,259 INFO L225 Difference]: With dead ends: 3847 [2024-11-12 09:47:51,259 INFO L226 Difference]: Without dead ends: 1939 [2024-11-12 09:47:51,267 INFO L434 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 [2024-11-12 09:47:51,270 INFO L435 NwaCegarLoop]: 1220 mSDtfsCounter, 14 mSDsluCounter, 1216 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 2436 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 09:47:51,272 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 2436 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 09:47:51,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1939 states. [2024-11-12 09:47:51,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1939 to 1913. [2024-11-12 09:47:51,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1913 states, 1398 states have (on average 1.3676680972818311) internal successors, (1912), 1427 states have internal predecessors, (1912), 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) [2024-11-12 09:47:51,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1913 states to 1913 states and 2724 transitions. [2024-11-12 09:47:51,399 INFO L78 Accepts]: Start accepts. Automaton has 1913 states and 2724 transitions. Word has length 29 [2024-11-12 09:47:51,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 09:47:51,399 INFO L471 AbstractCegarLoop]: Abstraction has 1913 states and 2724 transitions. [2024-11-12 09:47:51,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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) [2024-11-12 09:47:51,400 INFO L276 IsEmpty]: Start isEmpty. Operand 1913 states and 2724 transitions. [2024-11-12 09:47:51,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-12 09:47:51,401 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 09:47:51,401 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 09:47:51,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 09:47:51,401 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 09:47:51,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 09:47:51,402 INFO L85 PathProgramCache]: Analyzing trace with hash 1546037575, now seen corresponding path program 1 times [2024-11-12 09:47:51,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 09:47:51,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054312261] [2024-11-12 09:47:51,402 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 09:47:51,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 09:47:51,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:47:52,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 09:47:52,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:47:52,091 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-12 09:47:52,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 09:47:52,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054312261] [2024-11-12 09:47:52,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054312261] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 09:47:52,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 09:47:52,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 09:47:52,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068290084] [2024-11-12 09:47:52,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 09:47:52,093 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 09:47:52,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 09:47:52,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 09:47:52,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 09:47:52,095 INFO L87 Difference]: Start difference. First operand 1913 states and 2724 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 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) [2024-11-12 09:47:52,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 09:47:52,181 INFO L93 Difference]: Finished difference Result 3837 states and 5467 transitions. [2024-11-12 09:47:52,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 09:47:52,181 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 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 35 [2024-11-12 09:47:52,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 09:47:52,197 INFO L225 Difference]: With dead ends: 3837 [2024-11-12 09:47:52,198 INFO L226 Difference]: Without dead ends: 1927 [2024-11-12 09:47:52,209 INFO L434 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 [2024-11-12 09:47:52,210 INFO L435 NwaCegarLoop]: 1224 mSDtfsCounter, 1 mSDsluCounter, 1221 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 2445 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 09:47:52,210 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 2445 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 09:47:52,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1927 states. [2024-11-12 09:47:52,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1927 to 1927. [2024-11-12 09:47:52,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1927 states, 1412 states have (on average 1.368271954674221) internal successors, (1932), 1441 states have internal predecessors, (1932), 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) [2024-11-12 09:47:52,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1927 states to 1927 states and 2744 transitions. [2024-11-12 09:47:52,307 INFO L78 Accepts]: Start accepts. Automaton has 1927 states and 2744 transitions. Word has length 35 [2024-11-12 09:47:52,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 09:47:52,309 INFO L471 AbstractCegarLoop]: Abstraction has 1927 states and 2744 transitions. [2024-11-12 09:47:52,309 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 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) [2024-11-12 09:47:52,309 INFO L276 IsEmpty]: Start isEmpty. Operand 1927 states and 2744 transitions. [2024-11-12 09:47:52,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-12 09:47:52,310 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 09:47:52,311 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 09:47:52,311 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 09:47:52,311 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 09:47:52,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 09:47:52,311 INFO L85 PathProgramCache]: Analyzing trace with hash -1041137428, now seen corresponding path program 1 times [2024-11-12 09:47:52,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 09:47:52,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647134751] [2024-11-12 09:47:52,312 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 09:47:52,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 09:47:52,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:47:53,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 09:47:53,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:47:53,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-12 09:47:53,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:47:53,043 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 09:47:53,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 09:47:53,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647134751] [2024-11-12 09:47:53,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647134751] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 09:47:53,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [751810325] [2024-11-12 09:47:53,044 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 09:47:53,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 09:47:53,045 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 09:47:53,048 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) [2024-11-12 09:47:53,049 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-12 09:47:54,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:47:54,174 INFO L256 TraceCheckSpWp]: Trace formula consists of 2781 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-12 09:47:54,183 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 09:47:54,237 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-12 09:47:54,237 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 09:47:54,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [751810325] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 09:47:54,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 09:47:54,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-12 09:47:54,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084874250] [2024-11-12 09:47:54,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 09:47:54,238 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 09:47:54,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 09:47:54,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 09:47:54,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-12 09:47:54,239 INFO L87 Difference]: Start difference. First operand 1927 states and 2744 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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) [2024-11-12 09:47:54,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 09:47:54,342 INFO L93 Difference]: Finished difference Result 3899 states and 5563 transitions. [2024-11-12 09:47:54,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 09:47:54,343 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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 41 [2024-11-12 09:47:54,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 09:47:54,358 INFO L225 Difference]: With dead ends: 3899 [2024-11-12 09:47:54,358 INFO L226 Difference]: Without dead ends: 1975 [2024-11-12 09:47:54,364 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-12 09:47:54,365 INFO L435 NwaCegarLoop]: 1235 mSDtfsCounter, 13 mSDsluCounter, 1220 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 2455 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 09:47:54,365 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 2455 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 09:47:54,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1975 states. [2024-11-12 09:47:54,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1975 to 1975. [2024-11-12 09:47:54,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1975 states, 1448 states have (on average 1.3701657458563536) internal successors, (1984), 1477 states have internal predecessors, (1984), 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) [2024-11-12 09:47:54,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1975 states to 1975 states and 2820 transitions. [2024-11-12 09:47:54,503 INFO L78 Accepts]: Start accepts. Automaton has 1975 states and 2820 transitions. Word has length 41 [2024-11-12 09:47:54,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 09:47:54,504 INFO L471 AbstractCegarLoop]: Abstraction has 1975 states and 2820 transitions. [2024-11-12 09:47:54,504 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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) [2024-11-12 09:47:54,504 INFO L276 IsEmpty]: Start isEmpty. Operand 1975 states and 2820 transitions. [2024-11-12 09:47:54,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-12 09:47:54,505 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 09:47:54,505 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-12 09:47:54,534 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-12 09:47:54,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-12 09:47:54,707 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 09:47:54,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 09:47:54,708 INFO L85 PathProgramCache]: Analyzing trace with hash -1529182199, now seen corresponding path program 1 times [2024-11-12 09:47:54,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 09:47:54,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840219139] [2024-11-12 09:47:54,709 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 09:47:54,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 09:47:55,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:47:55,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 09:47:55,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:47:55,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-12 09:47:55,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:47:55,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-12 09:47:55,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:47:55,524 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-12 09:47:55,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 09:47:55,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840219139] [2024-11-12 09:47:55,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840219139] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 09:47:55,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1503564213] [2024-11-12 09:47:55,526 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 09:47:55,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 09:47:55,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 09:47:55,528 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) [2024-11-12 09:47:55,529 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-12 09:47:56,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:47:56,627 INFO L256 TraceCheckSpWp]: Trace formula consists of 2803 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-12 09:47:56,631 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 09:47:56,713 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 09:47:56,713 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 09:47:56,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1503564213] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 09:47:56,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 09:47:56,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-12 09:47:56,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926620831] [2024-11-12 09:47:56,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 09:47:56,714 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 09:47:56,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 09:47:56,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 09:47:56,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-12 09:47:56,715 INFO L87 Difference]: Start difference. First operand 1975 states and 2820 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, (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) [2024-11-12 09:48:00,759 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 [] [2024-11-12 09:48:00,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 09:48:00,856 INFO L93 Difference]: Finished difference Result 1977 states and 2821 transitions. [2024-11-12 09:48:00,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 09:48:00,857 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, (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 46 [2024-11-12 09:48:00,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 09:48:00,872 INFO L225 Difference]: With dead ends: 1977 [2024-11-12 09:48:00,872 INFO L226 Difference]: Without dead ends: 1974 [2024-11-12 09:48:00,873 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-12 09:48:00,874 INFO L435 NwaCegarLoop]: 1223 mSDtfsCounter, 1183 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1183 SdHoareTripleChecker+Valid, 1223 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-12 09:48:00,874 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1183 Valid, 1223 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-12 09:48:00,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1974 states. [2024-11-12 09:48:00,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1974 to 1974. [2024-11-12 09:48:00,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1974 states, 1448 states have (on average 1.3694751381215469) internal successors, (1983), 1476 states have internal predecessors, (1983), 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) [2024-11-12 09:48:00,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1974 states to 1974 states and 2818 transitions. [2024-11-12 09:48:00,970 INFO L78 Accepts]: Start accepts. Automaton has 1974 states and 2818 transitions. Word has length 46 [2024-11-12 09:48:00,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 09:48:00,971 INFO L471 AbstractCegarLoop]: Abstraction has 1974 states and 2818 transitions. [2024-11-12 09:48:00,971 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, (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) [2024-11-12 09:48:00,971 INFO L276 IsEmpty]: Start isEmpty. Operand 1974 states and 2818 transitions. [2024-11-12 09:48:00,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-12 09:48:00,972 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 09:48:00,972 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-12 09:48:00,999 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-12 09:48:01,173 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,SelfDestructingSolverStorable6 [2024-11-12 09:48:01,173 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 09:48:01,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 09:48:01,174 INFO L85 PathProgramCache]: Analyzing trace with hash -160390452, now seen corresponding path program 1 times [2024-11-12 09:48:01,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 09:48:01,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203331351] [2024-11-12 09:48:01,174 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 09:48:01,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 09:48:01,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:48:01,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 09:48:01,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:48:01,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-12 09:48:01,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:48:01,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-12 09:48:01,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:48:01,850 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-12 09:48:01,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 09:48:01,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203331351] [2024-11-12 09:48:01,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203331351] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 09:48:01,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1176089532] [2024-11-12 09:48:01,851 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 09:48:01,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 09:48:01,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 09:48:01,853 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) [2024-11-12 09:48:01,855 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-12 09:48:02,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:48:02,935 INFO L256 TraceCheckSpWp]: Trace formula consists of 2805 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-12 09:48:02,939 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 09:48:03,012 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 09:48:03,012 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 09:48:03,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1176089532] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 09:48:03,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 09:48:03,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-12 09:48:03,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143386014] [2024-11-12 09:48:03,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 09:48:03,013 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 09:48:03,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 09:48:03,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 09:48:03,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-12 09:48:03,014 INFO L87 Difference]: Start difference. First operand 1974 states and 2818 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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) [2024-11-12 09:48:07,051 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 [] [2024-11-12 09:48:07,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 09:48:07,127 INFO L93 Difference]: Finished difference Result 1976 states and 2819 transitions. [2024-11-12 09:48:07,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 09:48:07,128 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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 47 [2024-11-12 09:48:07,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 09:48:07,142 INFO L225 Difference]: With dead ends: 1976 [2024-11-12 09:48:07,142 INFO L226 Difference]: Without dead ends: 1973 [2024-11-12 09:48:07,143 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-12 09:48:07,144 INFO L435 NwaCegarLoop]: 1221 mSDtfsCounter, 1180 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1180 SdHoareTripleChecker+Valid, 1221 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-11-12 09:48:07,144 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1180 Valid, 1221 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2024-11-12 09:48:07,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1973 states. [2024-11-12 09:48:07,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1973 to 1973. [2024-11-12 09:48:07,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1973 states, 1448 states have (on average 1.3687845303867403) internal successors, (1982), 1475 states have internal predecessors, (1982), 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) [2024-11-12 09:48:07,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1973 states to 1973 states and 2816 transitions. [2024-11-12 09:48:07,277 INFO L78 Accepts]: Start accepts. Automaton has 1973 states and 2816 transitions. Word has length 47 [2024-11-12 09:48:07,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 09:48:07,279 INFO L471 AbstractCegarLoop]: Abstraction has 1973 states and 2816 transitions. [2024-11-12 09:48:07,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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) [2024-11-12 09:48:07,280 INFO L276 IsEmpty]: Start isEmpty. Operand 1973 states and 2816 transitions. [2024-11-12 09:48:07,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-12 09:48:07,281 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 09:48:07,281 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-12 09:48:07,307 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-12 09:48:07,481 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 09:48:07,482 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 09:48:07,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 09:48:07,482 INFO L85 PathProgramCache]: Analyzing trace with hash -677514388, now seen corresponding path program 1 times [2024-11-12 09:48:07,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 09:48:07,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944363982] [2024-11-12 09:48:07,483 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 09:48:07,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 09:48:07,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:48:08,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 09:48:08,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:48:08,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-12 09:48:08,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:48:08,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-12 09:48:08,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:48:08,174 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-12 09:48:08,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 09:48:08,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944363982] [2024-11-12 09:48:08,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944363982] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 09:48:08,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [754096698] [2024-11-12 09:48:08,175 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 09:48:08,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 09:48:08,175 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 09:48:08,177 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) [2024-11-12 09:48:08,179 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-12 09:48:09,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:48:09,261 INFO L256 TraceCheckSpWp]: Trace formula consists of 2807 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-12 09:48:09,265 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 09:48:09,357 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 09:48:09,357 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 09:48:09,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [754096698] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 09:48:09,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 09:48:09,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-12 09:48:09,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17185424] [2024-11-12 09:48:09,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 09:48:09,358 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 09:48:09,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 09:48:09,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 09:48:09,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-12 09:48:09,359 INFO L87 Difference]: Start difference. First operand 1973 states and 2816 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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) [2024-11-12 09:48:13,393 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 [] [2024-11-12 09:48:13,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 09:48:13,469 INFO L93 Difference]: Finished difference Result 1975 states and 2817 transitions. [2024-11-12 09:48:13,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 09:48:13,470 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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 48 [2024-11-12 09:48:13,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 09:48:13,484 INFO L225 Difference]: With dead ends: 1975 [2024-11-12 09:48:13,485 INFO L226 Difference]: Without dead ends: 1972 [2024-11-12 09:48:13,486 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-12 09:48:13,486 INFO L435 NwaCegarLoop]: 1219 mSDtfsCounter, 1177 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1177 SdHoareTripleChecker+Valid, 1219 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-12 09:48:13,487 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1177 Valid, 1219 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-12 09:48:13,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1972 states. [2024-11-12 09:48:13,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1972 to 1972. [2024-11-12 09:48:13,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1972 states, 1448 states have (on average 1.3680939226519337) internal successors, (1981), 1474 states have internal predecessors, (1981), 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) [2024-11-12 09:48:13,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1972 states to 1972 states and 2814 transitions. [2024-11-12 09:48:13,599 INFO L78 Accepts]: Start accepts. Automaton has 1972 states and 2814 transitions. Word has length 48 [2024-11-12 09:48:13,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 09:48:13,599 INFO L471 AbstractCegarLoop]: Abstraction has 1972 states and 2814 transitions. [2024-11-12 09:48:13,600 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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) [2024-11-12 09:48:13,600 INFO L276 IsEmpty]: Start isEmpty. Operand 1972 states and 2814 transitions. [2024-11-12 09:48:13,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-12 09:48:13,601 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 09:48:13,601 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-12 09:48:13,627 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-12 09:48:13,801 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 09:48:13,802 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 09:48:13,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 09:48:13,802 INFO L85 PathProgramCache]: Analyzing trace with hash 471517647, now seen corresponding path program 1 times [2024-11-12 09:48:13,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 09:48:13,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187328620] [2024-11-12 09:48:13,802 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 09:48:13,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 09:48:14,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:48:14,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 09:48:14,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:48:14,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-12 09:48:14,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:48:14,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-12 09:48:14,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:48:14,449 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-12 09:48:14,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 09:48:14,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187328620] [2024-11-12 09:48:14,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187328620] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 09:48:14,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1495260651] [2024-11-12 09:48:14,450 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 09:48:14,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 09:48:14,451 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 09:48:14,453 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) [2024-11-12 09:48:14,455 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-12 09:48:15,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:48:15,559 INFO L256 TraceCheckSpWp]: Trace formula consists of 2809 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-12 09:48:15,562 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 09:48:15,635 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 09:48:15,636 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 09:48:15,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1495260651] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 09:48:15,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 09:48:15,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-12 09:48:15,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505210597] [2024-11-12 09:48:15,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 09:48:15,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 09:48:15,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 09:48:15,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 09:48:15,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-12 09:48:15,637 INFO L87 Difference]: Start difference. First operand 1972 states and 2814 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 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) [2024-11-12 09:48:19,668 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 [] [2024-11-12 09:48:19,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 09:48:19,770 INFO L93 Difference]: Finished difference Result 2519 states and 3538 transitions. [2024-11-12 09:48:19,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 09:48:19,770 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 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 49 [2024-11-12 09:48:19,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 09:48:19,787 INFO L225 Difference]: With dead ends: 2519 [2024-11-12 09:48:19,788 INFO L226 Difference]: Without dead ends: 2474 [2024-11-12 09:48:19,790 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-12 09:48:19,790 INFO L435 NwaCegarLoop]: 1392 mSDtfsCounter, 1082 mSDsluCounter, 504 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1082 SdHoareTripleChecker+Valid, 1896 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-11-12 09:48:19,791 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1082 Valid, 1896 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2024-11-12 09:48:19,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2474 states. [2024-11-12 09:48:19,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2474 to 2474. [2024-11-12 09:48:19,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2474 states, 1785 states have (on average 1.3478991596638656) internal successors, (2406), 1820 states have internal predecessors, (2406), 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) [2024-11-12 09:48:19,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2474 states to 2474 states and 3477 transitions. [2024-11-12 09:48:19,966 INFO L78 Accepts]: Start accepts. Automaton has 2474 states and 3477 transitions. Word has length 49 [2024-11-12 09:48:19,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 09:48:19,966 INFO L471 AbstractCegarLoop]: Abstraction has 2474 states and 3477 transitions. [2024-11-12 09:48:19,966 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 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) [2024-11-12 09:48:19,967 INFO L276 IsEmpty]: Start isEmpty. Operand 2474 states and 3477 transitions. [2024-11-12 09:48:19,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-12 09:48:19,970 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 09:48:19,971 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 09:48:19,999 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-12 09:48:20,171 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-12 09:48:20,171 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 09:48:20,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 09:48:20,172 INFO L85 PathProgramCache]: Analyzing trace with hash -10261985, now seen corresponding path program 1 times [2024-11-12 09:48:20,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 09:48:20,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902047578] [2024-11-12 09:48:20,172 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 09:48:20,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 09:48:20,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:48:20,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 09:48:20,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:48:20,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-12 09:48:20,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:48:20,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-12 09:48:20,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:48:20,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-12 09:48:20,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:48:20,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-12 09:48:20,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:48:20,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-12 09:48:20,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:48:20,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-12 09:48:20,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:48:20,892 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-12 09:48:20,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 09:48:20,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902047578] [2024-11-12 09:48:20,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902047578] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 09:48:20,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2030910382] [2024-11-12 09:48:20,895 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 09:48:20,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 09:48:20,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 09:48:20,897 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) [2024-11-12 09:48:20,898 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-12 09:48:22,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:48:22,047 INFO L256 TraceCheckSpWp]: Trace formula consists of 3030 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-12 09:48:22,051 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 09:48:22,064 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-12 09:48:22,064 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 09:48:22,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2030910382] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 09:48:22,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 09:48:22,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-12 09:48:22,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099968112] [2024-11-12 09:48:22,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 09:48:22,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 09:48:22,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 09:48:22,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 09:48:22,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-12 09:48:22,066 INFO L87 Difference]: Start difference. First operand 2474 states and 3477 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-12 09:48:22,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 09:48:22,245 INFO L93 Difference]: Finished difference Result 4965 states and 6982 transitions. [2024-11-12 09:48:22,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 09:48:22,246 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 81 [2024-11-12 09:48:22,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 09:48:22,261 INFO L225 Difference]: With dead ends: 4965 [2024-11-12 09:48:22,262 INFO L226 Difference]: Without dead ends: 2494 [2024-11-12 09:48:22,271 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-12 09:48:22,272 INFO L435 NwaCegarLoop]: 1156 mSDtfsCounter, 21 mSDsluCounter, 1148 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 2304 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 09:48:22,272 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 2304 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 09:48:22,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2494 states. [2024-11-12 09:48:22,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2494 to 2476. [2024-11-12 09:48:22,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2476 states, 1787 states have (on average 1.3475097929490767) internal successors, (2408), 1822 states have internal predecessors, (2408), 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) [2024-11-12 09:48:22,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2476 states to 2476 states and 3479 transitions. [2024-11-12 09:48:22,438 INFO L78 Accepts]: Start accepts. Automaton has 2476 states and 3479 transitions. Word has length 81 [2024-11-12 09:48:22,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 09:48:22,439 INFO L471 AbstractCegarLoop]: Abstraction has 2476 states and 3479 transitions. [2024-11-12 09:48:22,440 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-12 09:48:22,440 INFO L276 IsEmpty]: Start isEmpty. Operand 2476 states and 3479 transitions. [2024-11-12 09:48:22,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-12 09:48:22,444 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 09:48:22,444 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 09:48:22,470 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-12 09:48:22,645 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 09:48:22,645 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 09:48:22,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 09:48:22,646 INFO L85 PathProgramCache]: Analyzing trace with hash -1630161324, now seen corresponding path program 1 times [2024-11-12 09:48:22,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 09:48:22,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182879009] [2024-11-12 09:48:22,646 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 09:48:22,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 09:48:23,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:48:23,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 09:48:23,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:48:23,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-12 09:48:23,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:48:23,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-12 09:48:23,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:48:23,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-12 09:48:23,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:48:23,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-12 09:48:23,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:48:23,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 09:48:23,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:48:23,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-12 09:48:23,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:48:23,286 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-12 09:48:23,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 09:48:23,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182879009] [2024-11-12 09:48:23,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182879009] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 09:48:23,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1343674201] [2024-11-12 09:48:23,287 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 09:48:23,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 09:48:23,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 09:48:23,289 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) [2024-11-12 09:48:23,291 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-12 09:48:24,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:48:24,481 INFO L256 TraceCheckSpWp]: Trace formula consists of 3037 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-12 09:48:24,485 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 09:48:24,499 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-12 09:48:24,499 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 09:48:24,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1343674201] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 09:48:24,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 09:48:24,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-12 09:48:24,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934129157] [2024-11-12 09:48:24,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 09:48:24,500 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 09:48:24,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 09:48:24,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 09:48:24,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-12 09:48:24,501 INFO L87 Difference]: Start difference. First operand 2476 states and 3479 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-12 09:48:28,538 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 [] [2024-11-12 09:48:28,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 09:48:28,659 INFO L93 Difference]: Finished difference Result 4231 states and 5930 transitions. [2024-11-12 09:48:28,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 09:48:28,660 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 85 [2024-11-12 09:48:28,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 09:48:28,673 INFO L225 Difference]: With dead ends: 4231 [2024-11-12 09:48:28,673 INFO L226 Difference]: Without dead ends: 1756 [2024-11-12 09:48:28,682 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-12 09:48:28,683 INFO L435 NwaCegarLoop]: 1171 mSDtfsCounter, 0 mSDsluCounter, 1166 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2337 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-12 09:48:28,683 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2337 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-12 09:48:28,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1756 states. [2024-11-12 09:48:28,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1756 to 1756. [2024-11-12 09:48:28,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1756 states, 1267 states have (on average 1.3393843725335437) internal successors, (1697), 1293 states have internal predecessors, (1697), 377 states have call successors, (377), 112 states have call predecessors, (377), 111 states have return successors, (376), 376 states have call predecessors, (376), 376 states have call successors, (376) [2024-11-12 09:48:28,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1756 states to 1756 states and 2450 transitions. [2024-11-12 09:48:28,784 INFO L78 Accepts]: Start accepts. Automaton has 1756 states and 2450 transitions. Word has length 85 [2024-11-12 09:48:28,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 09:48:28,784 INFO L471 AbstractCegarLoop]: Abstraction has 1756 states and 2450 transitions. [2024-11-12 09:48:28,785 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-12 09:48:28,785 INFO L276 IsEmpty]: Start isEmpty. Operand 1756 states and 2450 transitions. [2024-11-12 09:48:28,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-12 09:48:28,790 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 09:48:28,790 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 09:48:28,816 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-12 09:48:28,990 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 09:48:28,991 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 09:48:28,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 09:48:28,991 INFO L85 PathProgramCache]: Analyzing trace with hash 1963206098, now seen corresponding path program 1 times [2024-11-12 09:48:28,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 09:48:28,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315559198] [2024-11-12 09:48:28,992 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 09:48:28,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 09:48:29,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:48:29,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 09:48:29,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:48:29,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-12 09:48:29,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:48:29,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-12 09:48:29,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:48:29,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-12 09:48:29,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:48:29,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-12 09:48:29,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:48:29,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 09:48:29,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:48:29,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-12 09:48:29,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:48:29,666 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-12 09:48:29,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 09:48:29,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315559198] [2024-11-12 09:48:29,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [315559198] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 09:48:29,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1586672602] [2024-11-12 09:48:29,667 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 09:48:29,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 09:48:29,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 09:48:29,670 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) [2024-11-12 09:48:29,671 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process