./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--mmc--host--rtsx_pci_sdmmc.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--mmc--host--rtsx_pci_sdmmc.ko-entry_point.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 19290a926baf25addf4978704839db0abeadfa27fdfeabe3829a382dc34ef323 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 14:00:43,126 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 14:00:43,214 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-24 14:00:43,220 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 14:00:43,222 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 14:00:43,250 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 14:00:43,251 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 14:00:43,251 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 14:00:43,252 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 14:00:43,253 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 14:00:43,254 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 14:00:43,254 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 14:00:43,255 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 14:00:43,255 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 14:00:43,255 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 14:00:43,256 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 14:00:43,256 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 14:00:43,259 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 14:00:43,259 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 14:00:43,259 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 14:00:43,260 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 14:00:43,260 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 14:00:43,260 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 14:00:43,264 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 14:00:43,264 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 14:00:43,265 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 14:00:43,265 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 14:00:43,265 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 14:00:43,265 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 14:00:43,266 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 14:00:43,266 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 14:00:43,266 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 14:00:43,266 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 14:00:43,267 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 14:00:43,267 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 14:00:43,267 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 14:00:43,268 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 14:00:43,269 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 14:00:43,269 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 14:00:43,269 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19290a926baf25addf4978704839db0abeadfa27fdfeabe3829a382dc34ef323 [2024-10-24 14:00:43,545 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 14:00:43,572 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 14:00:43,576 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 14:00:43,577 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 14:00:43,578 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 14:00:43,579 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--mmc--host--rtsx_pci_sdmmc.ko-entry_point.cil.out.i [2024-10-24 14:00:45,026 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 14:00:45,513 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 14:00:45,514 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--mmc--host--rtsx_pci_sdmmc.ko-entry_point.cil.out.i [2024-10-24 14:00:45,547 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4d84e5c7/9cb65e02965640e38dd4699af7779419/FLAG1af3f9b34 [2024-10-24 14:00:45,614 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4d84e5c7/9cb65e02965640e38dd4699af7779419 [2024-10-24 14:00:45,618 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 14:00:45,619 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 14:00:45,621 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 14:00:45,621 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 14:00:45,628 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 14:00:45,629 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 02:00:45" (1/1) ... [2024-10-24 14:00:45,630 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a151e85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:00:45, skipping insertion in model container [2024-10-24 14:00:45,630 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 02:00:45" (1/1) ... [2024-10-24 14:00:45,740 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 14:00:47,208 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--mmc--host--rtsx_pci_sdmmc.ko-entry_point.cil.out.i[195799,195812] [2024-10-24 14:00:47,253 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 14:00:47,279 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 14:00:47,361 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [3927] [2024-10-24 14:00:47,505 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--mmc--host--rtsx_pci_sdmmc.ko-entry_point.cil.out.i[195799,195812] [2024-10-24 14:00:47,521 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 14:00:47,622 INFO L204 MainTranslator]: Completed translation [2024-10-24 14:00:47,623 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:00:47 WrapperNode [2024-10-24 14:00:47,623 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 14:00:47,624 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 14:00:47,624 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 14:00:47,624 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 14:00:47,632 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:00:47" (1/1) ... [2024-10-24 14:00:47,699 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:00:47" (1/1) ... [2024-10-24 14:00:47,842 INFO L138 Inliner]: procedures = 188, calls = 1431, calls flagged for inlining = 94, calls inlined = 89, statements flattened = 4145 [2024-10-24 14:00:47,843 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 14:00:47,843 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 14:00:47,844 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 14:00:47,844 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 14:00:47,921 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:00:47" (1/1) ... [2024-10-24 14:00:47,921 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:00:47" (1/1) ... [2024-10-24 14:00:47,969 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:00:47" (1/1) ... [2024-10-24 14:00:48,543 INFO L175 MemorySlicer]: Split 618 memory accesses to 12 slices as follows [2, 3, 358, 3, 5, 2, 5, 3, 203, 23, 5, 6]. 58 percent of accesses are in the largest equivalence class. The 50 initializations are split as follows [2, 3, 16, 3, 0, 0, 0, 3, 0, 23, 0, 0]. The 301 writes are split as follows [0, 0, 116, 0, 2, 1, 4, 0, 174, 0, 1, 3]. [2024-10-24 14:00:48,544 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:00:47" (1/1) ... [2024-10-24 14:00:48,544 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:00:47" (1/1) ... [2024-10-24 14:00:48,635 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:00:47" (1/1) ... [2024-10-24 14:00:48,657 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:00:47" (1/1) ... [2024-10-24 14:00:48,675 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:00:47" (1/1) ... [2024-10-24 14:00:48,694 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:00:47" (1/1) ... [2024-10-24 14:00:48,719 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 14:00:48,721 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 14:00:48,721 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 14:00:48,722 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 14:00:48,723 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:00:47" (1/1) ... [2024-10-24 14:00:48,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 14:00:48,740 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 14:00:48,759 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) [2024-10-24 14:00:48,763 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 [2024-10-24 14:00:48,811 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be32 [2024-10-24 14:00:48,812 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be32 [2024-10-24 14:00:48,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-10-24 14:00:48,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-10-24 14:00:48,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-10-24 14:00:48,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-10-24 14:00:48,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-10-24 14:00:48,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-10-24 14:00:48,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-10-24 14:00:48,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-10-24 14:00:48,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-10-24 14:00:48,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-10-24 14:00:48,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-10-24 14:00:48,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-10-24 14:00:48,815 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2024-10-24 14:00:48,815 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2024-10-24 14:00:48,816 INFO L130 BoogieDeclarations]: Found specification of procedure sd_pre_dma_transfer [2024-10-24 14:00:48,816 INFO L138 BoogieDeclarations]: Found implementation of procedure sd_pre_dma_transfer [2024-10-24 14:00:48,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-10-24 14:00:48,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-10-24 14:00:48,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-24 14:00:48,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-24 14:00:48,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-24 14:00:48,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-24 14:00:48,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-24 14:00:48,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-24 14:00:48,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-24 14:00:48,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-24 14:00:48,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-24 14:00:48,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-24 14:00:48,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-24 14:00:48,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-24 14:00:48,819 INFO L130 BoogieDeclarations]: Found specification of procedure rtsx_pci_sdmmc_drv_probe [2024-10-24 14:00:48,819 INFO L138 BoogieDeclarations]: Found implementation of procedure rtsx_pci_sdmmc_drv_probe [2024-10-24 14:00:48,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-10-24 14:00:48,819 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-10-24 14:00:48,820 INFO L130 BoogieDeclarations]: Found specification of procedure rtsx_pci_start_run [2024-10-24 14:00:48,820 INFO L138 BoogieDeclarations]: Found implementation of procedure rtsx_pci_start_run [2024-10-24 14:00:48,820 INFO L130 BoogieDeclarations]: Found specification of procedure sdio_extblock_cmd [2024-10-24 14:00:48,820 INFO L138 BoogieDeclarations]: Found implementation of procedure sdio_extblock_cmd [2024-10-24 14:00:48,820 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_op_multi [2024-10-24 14:00:48,820 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_op_multi [2024-10-24 14:00:48,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-10-24 14:00:48,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-10-24 14:00:48,821 INFO L130 BoogieDeclarations]: Found specification of procedure rtsx_pci_dma_transfer [2024-10-24 14:00:48,821 INFO L138 BoogieDeclarations]: Found implementation of procedure rtsx_pci_dma_transfer [2024-10-24 14:00:48,821 INFO L130 BoogieDeclarations]: Found specification of procedure sd_request [2024-10-24 14:00:48,821 INFO L138 BoogieDeclarations]: Found implementation of procedure sd_request [2024-10-24 14:00:48,821 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2024-10-24 14:00:48,821 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2024-10-24 14:00:48,821 INFO L130 BoogieDeclarations]: Found specification of procedure sd_send_cmd_get_rsp [2024-10-24 14:00:48,821 INFO L138 BoogieDeclarations]: Found implementation of procedure sd_send_cmd_get_rsp [2024-10-24 14:00:48,821 INFO L130 BoogieDeclarations]: Found specification of procedure sd_clear_error [2024-10-24 14:00:48,822 INFO L138 BoogieDeclarations]: Found implementation of procedure sd_clear_error [2024-10-24 14:00:48,822 INFO L130 BoogieDeclarations]: Found specification of procedure sdmmc_get_ro [2024-10-24 14:00:48,822 INFO L138 BoogieDeclarations]: Found implementation of procedure sdmmc_get_ro [2024-10-24 14:00:48,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-24 14:00:48,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-24 14:00:48,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-24 14:00:48,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-24 14:00:48,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-24 14:00:48,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-24 14:00:48,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-24 14:00:48,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-24 14:00:48,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-24 14:00:48,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-24 14:00:48,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-24 14:00:48,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-24 14:00:48,824 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-10-24 14:00:48,824 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-10-24 14:00:48,824 INFO L130 BoogieDeclarations]: Found specification of procedure sd_cmd_set_data_len [2024-10-24 14:00:48,824 INFO L138 BoogieDeclarations]: Found implementation of procedure sd_cmd_set_data_len [2024-10-24 14:00:48,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-10-24 14:00:48,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-10-24 14:00:48,825 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2024-10-24 14:00:48,825 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2024-10-24 14:00:48,825 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_free_host [2024-10-24 14:00:48,825 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_free_host [2024-10-24 14:00:48,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-10-24 14:00:48,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-10-24 14:00:48,825 INFO L130 BoogieDeclarations]: Found specification of procedure rtsx_pci_switch_clock [2024-10-24 14:00:48,825 INFO L138 BoogieDeclarations]: Found implementation of procedure rtsx_pci_switch_clock [2024-10-24 14:00:48,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-10-24 14:00:48,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-10-24 14:00:48,825 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 14:00:48,825 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 14:00:48,825 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2024-10-24 14:00:48,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2024-10-24 14:00:48,826 INFO L130 BoogieDeclarations]: Found specification of procedure sdmmc_get_cd [2024-10-24 14:00:48,826 INFO L138 BoogieDeclarations]: Found implementation of procedure sdmmc_get_cd [2024-10-24 14:00:48,826 INFO L130 BoogieDeclarations]: Found specification of procedure sd_response_type [2024-10-24 14:00:48,826 INFO L138 BoogieDeclarations]: Found implementation of procedure sd_response_type [2024-10-24 14:00:48,826 INFO L130 BoogieDeclarations]: Found specification of procedure sdmmc_dev [2024-10-24 14:00:48,826 INFO L138 BoogieDeclarations]: Found implementation of procedure sdmmc_dev [2024-10-24 14:00:48,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-24 14:00:48,826 INFO L130 BoogieDeclarations]: Found specification of procedure sd_cmd_set_sd_cmd [2024-10-24 14:00:48,826 INFO L138 BoogieDeclarations]: Found implementation of procedure sd_cmd_set_sd_cmd [2024-10-24 14:00:48,826 INFO L130 BoogieDeclarations]: Found specification of procedure rtsx_pci_card_exclusive_check [2024-10-24 14:00:48,826 INFO L138 BoogieDeclarations]: Found implementation of procedure rtsx_pci_card_exclusive_check [2024-10-24 14:00:48,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-10-24 14:00:48,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-10-24 14:00:48,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 14:00:48,827 INFO L130 BoogieDeclarations]: Found specification of procedure sd_rw_cmd [2024-10-24 14:00:48,827 INFO L138 BoogieDeclarations]: Found implementation of procedure sd_rw_cmd [2024-10-24 14:00:48,827 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-10-24 14:00:48,827 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-10-24 14:00:48,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-24 14:00:48,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-24 14:00:48,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-24 14:00:48,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-24 14:00:48,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-24 14:00:48,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-24 14:00:48,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-24 14:00:48,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-24 14:00:48,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-24 14:00:48,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-24 14:00:48,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-10-24 14:00:48,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-10-24 14:00:48,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-10-24 14:00:48,828 INFO L130 BoogieDeclarations]: Found specification of procedure sdmmc_post_req [2024-10-24 14:00:48,828 INFO L138 BoogieDeclarations]: Found implementation of procedure sdmmc_post_req [2024-10-24 14:00:48,828 INFO L130 BoogieDeclarations]: Found specification of procedure rtsx_pci_send_cmd_no_wait [2024-10-24 14:00:48,828 INFO L138 BoogieDeclarations]: Found implementation of procedure rtsx_pci_send_cmd_no_wait [2024-10-24 14:00:48,828 INFO L130 BoogieDeclarations]: Found specification of procedure rtsx_pci_send_cmd [2024-10-24 14:00:48,828 INFO L138 BoogieDeclarations]: Found implementation of procedure rtsx_pci_send_cmd [2024-10-24 14:00:48,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-24 14:00:48,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-24 14:00:48,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-24 14:00:48,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-24 14:00:48,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-24 14:00:48,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-24 14:00:48,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-24 14:00:48,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-24 14:00:48,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-24 14:00:48,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-10-24 14:00:48,832 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-10-24 14:00:48,832 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-10-24 14:00:48,832 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2024-10-24 14:00:48,833 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2024-10-24 14:00:48,833 INFO L130 BoogieDeclarations]: Found specification of procedure sd_read_data [2024-10-24 14:00:48,833 INFO L138 BoogieDeclarations]: Found implementation of procedure sd_read_data [2024-10-24 14:00:48,833 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_request_done [2024-10-24 14:00:48,833 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_request_done [2024-10-24 14:00:48,833 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2024-10-24 14:00:48,833 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2024-10-24 14:00:48,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-24 14:00:48,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-24 14:00:48,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-24 14:00:48,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-24 14:00:48,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-24 14:00:48,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-24 14:00:48,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-24 14:00:48,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-24 14:00:48,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-10-24 14:00:48,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-10-24 14:00:48,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-10-24 14:00:48,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-10-24 14:00:48,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-10-24 14:00:48,837 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2024-10-24 14:00:48,837 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2024-10-24 14:00:48,837 INFO L130 BoogieDeclarations]: Found specification of procedure rtsx_pci_write_register [2024-10-24 14:00:48,837 INFO L138 BoogieDeclarations]: Found implementation of procedure rtsx_pci_write_register [2024-10-24 14:00:48,838 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-10-24 14:00:48,838 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-10-24 14:00:48,838 INFO L130 BoogieDeclarations]: Found specification of procedure sd_change_phase [2024-10-24 14:00:48,838 INFO L138 BoogieDeclarations]: Found implementation of procedure sd_change_phase [2024-10-24 14:00:48,838 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2024-10-24 14:00:48,839 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2024-10-24 14:00:48,839 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_card_uhs [2024-10-24 14:00:48,839 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_card_uhs [2024-10-24 14:00:48,839 INFO L130 BoogieDeclarations]: Found specification of procedure rtsx_pci_sdmmc_drv_remove [2024-10-24 14:00:48,839 INFO L138 BoogieDeclarations]: Found implementation of procedure rtsx_pci_sdmmc_drv_remove [2024-10-24 14:00:48,839 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2024-10-24 14:00:48,839 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2024-10-24 14:00:48,839 INFO L130 BoogieDeclarations]: Found specification of procedure rtsx_pci_add_cmd [2024-10-24 14:00:48,839 INFO L138 BoogieDeclarations]: Found implementation of procedure rtsx_pci_add_cmd [2024-10-24 14:00:48,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 14:00:48,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-24 14:00:48,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-24 14:00:48,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-24 14:00:48,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-24 14:00:48,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-24 14:00:48,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-24 14:00:48,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-24 14:00:48,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-24 14:00:48,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-24 14:00:48,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-24 14:00:48,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-24 14:00:48,840 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_priv [2024-10-24 14:00:48,840 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_priv [2024-10-24 14:00:48,840 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2024-10-24 14:00:48,840 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2024-10-24 14:00:48,840 INFO L130 BoogieDeclarations]: Found specification of procedure rtsx_pci_read_register [2024-10-24 14:00:48,840 INFO L138 BoogieDeclarations]: Found implementation of procedure rtsx_pci_read_register [2024-10-24 14:00:48,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 14:00:48,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 14:00:49,381 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 14:00:49,384 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 14:00:49,550 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-10-24 14:00:54,393 INFO L? ?]: Removed 1304 outVars from TransFormulas that were not future-live. [2024-10-24 14:00:54,393 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 14:00:54,647 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 14:00:54,648 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-24 14:00:54,648 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:00:54 BoogieIcfgContainer [2024-10-24 14:00:54,649 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 14:00:54,651 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 14:00:54,651 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 14:00:54,654 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 14:00:54,655 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 02:00:45" (1/3) ... [2024-10-24 14:00:54,655 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77b51d9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 02:00:54, skipping insertion in model container [2024-10-24 14:00:54,655 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:00:47" (2/3) ... [2024-10-24 14:00:54,656 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77b51d9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 02:00:54, skipping insertion in model container [2024-10-24 14:00:54,656 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:00:54" (3/3) ... [2024-10-24 14:00:54,657 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--mmc--host--rtsx_pci_sdmmc.ko-entry_point.cil.out.i [2024-10-24 14:00:54,673 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 14:00:54,674 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 14:00:54,786 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 14:00:54,793 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;@76d2d65b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 14:00:54,794 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 14:00:54,802 INFO L276 IsEmpty]: Start isEmpty. Operand has 1145 states, 762 states have (on average 1.4291338582677164) internal successors, (1089), 783 states have internal predecessors, (1089), 330 states have call successors, (330), 53 states have call predecessors, (330), 52 states have return successors, (325), 321 states have call predecessors, (325), 325 states have call successors, (325) [2024-10-24 14:00:54,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-10-24 14:00:54,837 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 14:00:54,838 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 14:00:54,838 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 14:00:54,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 14:00:54,847 INFO L85 PathProgramCache]: Analyzing trace with hash -599243907, now seen corresponding path program 1 times [2024-10-24 14:00:54,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 14:00:54,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318374486] [2024-10-24 14:00:54,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:00:54,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 14:00:55,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:55,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:00:55,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:55,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-24 14:00:55,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:55,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-24 14:00:55,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:55,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 14:00:55,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:55,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-24 14:00:55,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:55,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 14:00:55,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:55,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 14:00:55,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:55,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 14:00:55,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:55,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-24 14:00:55,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:55,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-24 14:00:55,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:55,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-24 14:00:55,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:55,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 14:00:55,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:55,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 14:00:55,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:55,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:00:55,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:55,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 14:00:55,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:55,946 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-10-24 14:00:55,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 14:00:55,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318374486] [2024-10-24 14:00:55,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318374486] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 14:00:55,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 14:00:55,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 14:00:55,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67295333] [2024-10-24 14:00:55,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 14:00:55,956 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 14:00:55,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 14:00:55,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 14:00:55,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 14:00:55,988 INFO L87 Difference]: Start difference. First operand has 1145 states, 762 states have (on average 1.4291338582677164) internal successors, (1089), 783 states have internal predecessors, (1089), 330 states have call successors, (330), 53 states have call predecessors, (330), 52 states have return successors, (325), 321 states have call predecessors, (325), 325 states have call successors, (325) Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-10-24 14:01:05,292 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 [] [2024-10-24 14:01:09,312 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 14:01:13,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 14:01:16,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 14:01:16,350 INFO L93 Difference]: Finished difference Result 2280 states and 3513 transitions. [2024-10-24 14:01:16,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 14:01:16,359 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 92 [2024-10-24 14:01:16,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 14:01:16,394 INFO L225 Difference]: With dead ends: 2280 [2024-10-24 14:01:16,394 INFO L226 Difference]: Without dead ends: 1137 [2024-10-24 14:01:16,410 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-24 14:01:16,415 INFO L432 NwaCegarLoop]: 626 mSDtfsCounter, 867 mSDsluCounter, 1403 mSDsCounter, 0 mSdLazyCounter, 3671 mSolverCounterSat, 120 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1072 SdHoareTripleChecker+Valid, 2029 SdHoareTripleChecker+Invalid, 3794 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 3671 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.0s IncrementalHoareTripleChecker+Time [2024-10-24 14:01:16,416 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1072 Valid, 2029 Invalid, 3794 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [120 Valid, 3671 Invalid, 3 Unknown, 0 Unchecked, 20.0s Time] [2024-10-24 14:01:16,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1137 states. [2024-10-24 14:01:16,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1137 to 1135. [2024-10-24 14:01:16,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1135 states, 759 states have (on average 1.4031620553359683) internal successors, (1065), 772 states have internal predecessors, (1065), 324 states have call successors, (324), 52 states have call predecessors, (324), 51 states have return successors, (323), 319 states have call predecessors, (323), 323 states have call successors, (323) [2024-10-24 14:01:16,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1135 states to 1135 states and 1712 transitions. [2024-10-24 14:01:16,581 INFO L78 Accepts]: Start accepts. Automaton has 1135 states and 1712 transitions. Word has length 92 [2024-10-24 14:01:16,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 14:01:16,582 INFO L471 AbstractCegarLoop]: Abstraction has 1135 states and 1712 transitions. [2024-10-24 14:01:16,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-10-24 14:01:16,582 INFO L276 IsEmpty]: Start isEmpty. Operand 1135 states and 1712 transitions. [2024-10-24 14:01:16,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-10-24 14:01:16,594 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 14:01:16,595 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 14:01:16,595 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 14:01:16,595 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 14:01:16,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 14:01:16,596 INFO L85 PathProgramCache]: Analyzing trace with hash -224445192, now seen corresponding path program 1 times [2024-10-24 14:01:16,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 14:01:16,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473753513] [2024-10-24 14:01:16,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:01:16,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 14:01:16,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:01:17,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:01:17,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:01:17,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-24 14:01:17,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:01:17,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-24 14:01:17,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:01:17,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 14:01:17,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:01:17,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 14:01:17,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:01:17,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 14:01:17,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:01:17,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 14:01:17,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:01:17,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 14:01:17,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:01:17,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-24 14:01:17,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:01:17,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-24 14:01:17,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:01:17,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 14:01:17,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:01:17,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-24 14:01:17,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:01:17,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-24 14:01:17,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:01:17,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:01:17,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:01:17,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 14:01:17,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:01:17,181 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-10-24 14:01:17,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 14:01:17,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473753513] [2024-10-24 14:01:17,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473753513] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 14:01:17,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 14:01:17,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 14:01:17,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537077007] [2024-10-24 14:01:17,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 14:01:17,186 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 14:01:17,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 14:01:17,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 14:01:17,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 14:01:17,191 INFO L87 Difference]: Start difference. First operand 1135 states and 1712 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-10-24 14:01:19,061 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 14:01:22,723 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 14:01:29,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 14:01:33,318 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 14:01:35,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 14:01:35,806 INFO L93 Difference]: Finished difference Result 1141 states and 1721 transitions. [2024-10-24 14:01:35,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 14:01:35,806 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 90 [2024-10-24 14:01:35,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 14:01:35,816 INFO L225 Difference]: With dead ends: 1141 [2024-10-24 14:01:35,817 INFO L226 Difference]: Without dead ends: 1138 [2024-10-24 14:01:35,817 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 14:01:35,818 INFO L432 NwaCegarLoop]: 615 mSDtfsCounter, 865 mSDsluCounter, 875 mSDsCounter, 0 mSdLazyCounter, 2451 mSolverCounterSat, 115 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1070 SdHoareTripleChecker+Valid, 1490 SdHoareTripleChecker+Invalid, 2568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 2451 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.4s IncrementalHoareTripleChecker+Time [2024-10-24 14:01:35,820 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1070 Valid, 1490 Invalid, 2568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 2451 Invalid, 2 Unknown, 0 Unchecked, 18.4s Time] [2024-10-24 14:01:35,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1138 states. [2024-10-24 14:01:35,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1138 to 1136. [2024-10-24 14:01:35,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1136 states, 760 states have (on average 1.4026315789473685) internal successors, (1066), 773 states have internal predecessors, (1066), 324 states have call successors, (324), 52 states have call predecessors, (324), 51 states have return successors, (323), 319 states have call predecessors, (323), 323 states have call successors, (323) [2024-10-24 14:01:35,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1136 states to 1136 states and 1713 transitions. [2024-10-24 14:01:35,881 INFO L78 Accepts]: Start accepts. Automaton has 1136 states and 1713 transitions. Word has length 90 [2024-10-24 14:01:35,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 14:01:35,884 INFO L471 AbstractCegarLoop]: Abstraction has 1136 states and 1713 transitions. [2024-10-24 14:01:35,884 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-10-24 14:01:35,884 INFO L276 IsEmpty]: Start isEmpty. Operand 1136 states and 1713 transitions. [2024-10-24 14:01:35,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-10-24 14:01:35,889 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 14:01:35,889 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 14:01:35,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 14:01:35,889 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 14:01:35,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 14:01:35,890 INFO L85 PathProgramCache]: Analyzing trace with hash 886484097, now seen corresponding path program 1 times [2024-10-24 14:01:35,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 14:01:35,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097264222] [2024-10-24 14:01:35,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:01:35,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 14:01:36,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:01:36,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:01:36,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:01:36,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-24 14:01:36,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:01:36,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-24 14:01:36,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:01:36,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 14:01:36,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:01:36,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 14:01:36,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:01:36,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 14:01:36,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:01:36,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 14:01:36,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:01:36,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-24 14:01:36,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:01:36,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-24 14:01:36,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:01:36,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 14:01:36,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:01:36,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 14:01:36,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:01:36,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 14:01:36,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:01:36,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 14:01:36,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:01:36,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:01:36,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:01:36,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 14:01:36,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:01:36,451 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-10-24 14:01:36,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 14:01:36,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097264222] [2024-10-24 14:01:36,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097264222] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 14:01:36,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 14:01:36,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 14:01:36,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077235407] [2024-10-24 14:01:36,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 14:01:36,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 14:01:36,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 14:01:36,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 14:01:36,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 14:01:36,455 INFO L87 Difference]: Start difference. First operand 1136 states and 1713 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-10-24 14:01:38,274 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 14:01:39,656 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 14:01:40,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 14:01:46,907 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 14:01:50,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 14:01:54,939 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 14:01:58,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 14:01:58,181 INFO L93 Difference]: Finished difference Result 2267 states and 3440 transitions. [2024-10-24 14:01:58,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 14:01:58,182 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 93 [2024-10-24 14:01:58,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 14:01:58,192 INFO L225 Difference]: With dead ends: 2267 [2024-10-24 14:01:58,193 INFO L226 Difference]: Without dead ends: 1141 [2024-10-24 14:01:58,200 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-24 14:01:58,203 INFO L432 NwaCegarLoop]: 615 mSDtfsCounter, 868 mSDsluCounter, 1375 mSDsCounter, 0 mSdLazyCounter, 3659 mSolverCounterSat, 116 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1073 SdHoareTripleChecker+Valid, 1990 SdHoareTripleChecker+Invalid, 3778 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 3659 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.5s IncrementalHoareTripleChecker+Time [2024-10-24 14:01:58,205 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1073 Valid, 1990 Invalid, 3778 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 3659 Invalid, 3 Unknown, 0 Unchecked, 21.5s Time] [2024-10-24 14:01:58,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1141 states. [2024-10-24 14:01:58,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1141 to 1138. [2024-10-24 14:01:58,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1138 states, 762 states have (on average 1.4015748031496063) internal successors, (1068), 775 states have internal predecessors, (1068), 324 states have call successors, (324), 52 states have call predecessors, (324), 51 states have return successors, (323), 319 states have call predecessors, (323), 323 states have call successors, (323) [2024-10-24 14:01:58,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1138 states to 1138 states and 1715 transitions. [2024-10-24 14:01:58,254 INFO L78 Accepts]: Start accepts. Automaton has 1138 states and 1715 transitions. Word has length 93 [2024-10-24 14:01:58,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 14:01:58,255 INFO L471 AbstractCegarLoop]: Abstraction has 1138 states and 1715 transitions. [2024-10-24 14:01:58,256 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-10-24 14:01:58,256 INFO L276 IsEmpty]: Start isEmpty. Operand 1138 states and 1715 transitions. [2024-10-24 14:01:58,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-10-24 14:01:58,261 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 14:01:58,262 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 14:01:58,262 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 14:01:58,262 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 14:01:58,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 14:01:58,264 INFO L85 PathProgramCache]: Analyzing trace with hash 537729375, now seen corresponding path program 1 times [2024-10-24 14:01:58,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 14:01:58,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358050454] [2024-10-24 14:01:58,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:01:58,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 14:01:58,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:01:58,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:01:58,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:01:58,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-24 14:01:58,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:01:58,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-24 14:01:58,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:01:58,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 14:01:58,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:01:58,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 14:01:58,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:01:58,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 14:01:58,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:01:58,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 14:01:58,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:01:58,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 14:01:58,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:01:58,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-24 14:01:58,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:01:58,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-24 14:01:58,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:01:58,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 14:01:58,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:01:58,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-24 14:01:58,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:01:58,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-24 14:01:58,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:01:58,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:01:58,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:01:58,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 14:01:58,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:01:58,932 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-10-24 14:01:58,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 14:01:58,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358050454] [2024-10-24 14:01:58,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [358050454] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 14:01:58,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 14:01:58,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 14:01:58,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309398132] [2024-10-24 14:01:58,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 14:01:58,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 14:01:58,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 14:01:58,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 14:01:58,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 14:01:58,935 INFO L87 Difference]: Start difference. First operand 1138 states and 1715 transitions. Second operand has 7 states, 6 states have (on average 9.0) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2024-10-24 14:01:59,939 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 14:02:10,630 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []