./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.cil.out.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 99f9870c0a11847528222b5446256dd4069d375e1dee3e428847b909838b4c1b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 15:20:03,991 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 15:20:04,050 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-11 15:20:04,055 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 15:20:04,055 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 15:20:04,072 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 15:20:04,073 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 15:20:04,073 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 15:20:04,074 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 15:20:04,074 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 15:20:04,074 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 15:20:04,075 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 15:20:04,075 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 15:20:04,076 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 15:20:04,076 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 15:20:04,076 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 15:20:04,077 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 15:20:04,077 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 15:20:04,077 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 15:20:04,077 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 15:20:04,078 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 15:20:04,080 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 15:20:04,080 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 15:20:04,080 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 15:20:04,081 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 15:20:04,081 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 15:20:04,081 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 15:20:04,081 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 15:20:04,081 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 15:20:04,081 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 15:20:04,082 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 15:20:04,082 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 15:20:04,082 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 15:20:04,082 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 15:20:04,082 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 15:20:04,083 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 15:20:04,083 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 15:20:04,083 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 15:20:04,085 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 15:20:04,085 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 99f9870c0a11847528222b5446256dd4069d375e1dee3e428847b909838b4c1b [2024-10-11 15:20:04,289 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 15:20:04,315 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 15:20:04,318 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 15:20:04,319 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 15:20:04,320 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 15:20:04,321 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.cil.out.i [2024-10-11 15:20:05,644 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 15:20:06,015 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 15:20:06,016 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.cil.out.i [2024-10-11 15:20:06,049 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/7be19a807/eeb8b49b7e5d46a1806a485e111c5e57/FLAG3ee638168 [2024-10-11 15:20:06,064 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/7be19a807/eeb8b49b7e5d46a1806a485e111c5e57 [2024-10-11 15:20:06,067 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 15:20:06,068 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 15:20:06,069 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 15:20:06,069 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 15:20:06,075 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 15:20:06,076 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 03:20:06" (1/1) ... [2024-10-11 15:20:06,076 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b39e39e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:20:06, skipping insertion in model container [2024-10-11 15:20:06,077 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 03:20:06" (1/1) ... [2024-10-11 15:20:06,175 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 15:20:06,793 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.cil.out.i[164521,164534] [2024-10-11 15:20:07,070 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 15:20:07,094 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 15:20:07,184 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [5500-5501] [2024-10-11 15:20:07,195 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.cil.out.i[164521,164534] [2024-10-11 15:20:07,421 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 15:20:07,464 INFO L204 MainTranslator]: Completed translation [2024-10-11 15:20:07,465 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:20:07 WrapperNode [2024-10-11 15:20:07,465 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 15:20:07,466 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 15:20:07,466 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 15:20:07,466 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 15:20:07,472 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:20:07" (1/1) ... [2024-10-11 15:20:07,515 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:20:07" (1/1) ... [2024-10-11 15:20:07,590 INFO L138 Inliner]: procedures = 157, calls = 723, calls flagged for inlining = 61, calls inlined = 52, statements flattened = 1707 [2024-10-11 15:20:07,590 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 15:20:07,591 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 15:20:07,591 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 15:20:07,591 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 15:20:07,601 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:20:07" (1/1) ... [2024-10-11 15:20:07,601 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:20:07" (1/1) ... [2024-10-11 15:20:07,624 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:20:07" (1/1) ... [2024-10-11 15:20:07,803 INFO L175 MemorySlicer]: Split 241 memory accesses to 7 slices as follows [2, 3, 42, 16, 158, 6, 14]. 66 percent of accesses are in the largest equivalence class. The 66 initializations are split as follows [2, 0, 42, 16, 0, 6, 0]. The 67 writes are split as follows [0, 2, 0, 0, 51, 0, 14]. [2024-10-11 15:20:07,805 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:20:07" (1/1) ... [2024-10-11 15:20:07,806 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:20:07" (1/1) ... [2024-10-11 15:20:07,857 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:20:07" (1/1) ... [2024-10-11 15:20:07,870 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:20:07" (1/1) ... [2024-10-11 15:20:07,905 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:20:07" (1/1) ... [2024-10-11 15:20:07,919 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:20:07" (1/1) ... [2024-10-11 15:20:07,937 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 15:20:07,938 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 15:20:07,939 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 15:20:07,939 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 15:20:07,940 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:20:07" (1/1) ... [2024-10-11 15:20:07,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 15:20:07,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 15:20:07,987 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 15:20:07,989 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 15:20:08,029 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_schedule_event [2024-10-11 15:20:08,030 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_schedule_event [2024-10-11 15:20:08,030 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freebcshw [2024-10-11 15:20:08,030 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freebcshw [2024-10-11 15:20:08,030 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_set_modem_ctrl [2024-10-11 15:20:08,030 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_set_modem_ctrl [2024-10-11 15:20:08,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-10-11 15:20:08,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-10-11 15:20:08,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-10-11 15:20:08,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-10-11 15:20:08,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-10-11 15:20:08,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-10-11 15:20:08,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-10-11 15:20:08,032 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-10-11 15:20:08,032 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-10-11 15:20:08,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_2 [2024-10-11 15:20:08,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_2 [2024-10-11 15:20:08,032 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_reinitbcshw [2024-10-11 15:20:08,033 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_reinitbcshw [2024-10-11 15:20:08,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-10-11 15:20:08,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-10-11 15:20:08,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-10-11 15:20:08,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-10-11 15:20:08,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-10-11 15:20:08,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-10-11 15:20:08,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-10-11 15:20:08,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-10-11 15:20:08,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-10-11 15:20:08,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-10-11 15:20:08,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-10-11 15:20:08,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-10-11 15:20:08,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-10-11 15:20:08,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-10-11 15:20:08,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-10-11 15:20:08,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-10-11 15:20:08,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-11 15:20:08,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-11 15:20:08,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-11 15:20:08,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-11 15:20:08,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-11 15:20:08,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-11 15:20:08,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-11 15:20:08,036 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_m10x_send_skb [2024-10-11 15:20:08,036 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_m10x_send_skb [2024-10-11 15:20:08,037 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_brkchars [2024-10-11 15:20:08,037 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_brkchars [2024-10-11 15:20:08,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2024-10-11 15:20:08,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2024-10-11 15:20:08,037 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_add_event [2024-10-11 15:20:08,037 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_add_event [2024-10-11 15:20:08,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-10-11 15:20:08,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-10-11 15:20:08,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-10-11 15:20:08,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-10-11 15:20:08,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-10-11 15:20:08,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-10-11 15:20:08,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-10-11 15:20:08,038 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-10-11 15:20:08,038 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-10-11 15:20:08,038 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-10-11 15:20:08,038 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-10-11 15:20:08,038 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-10-11 15:20:08,038 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-10-11 15:20:08,038 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-10-11 15:20:08,038 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2024-10-11 15:20:08,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2024-10-11 15:20:08,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-10-11 15:20:08,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-10-11 15:20:08,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2024-10-11 15:20:08,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2024-10-11 15:20:08,039 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_close_bchannel [2024-10-11 15:20:08,039 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_close_bchannel [2024-10-11 15:20:08,039 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_resume [2024-10-11 15:20:08,039 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_resume [2024-10-11 15:20:08,039 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2024-10-11 15:20:08,039 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2024-10-11 15:20:08,039 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_baud_rate [2024-10-11 15:20:08,039 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_baud_rate [2024-10-11 15:20:08,039 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_initcshw [2024-10-11 15:20:08,039 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_initcshw [2024-10-11 15:20:08,039 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-10-11 15:20:08,039 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-10-11 15:20:08,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-11 15:20:08,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-11 15:20:08,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-11 15:20:08,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-11 15:20:08,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-11 15:20:08,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-11 15:20:08,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-11 15:20:08,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-10-11 15:20:08,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-10-11 15:20:08,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-10-11 15:20:08,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-10-11 15:20:08,040 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_initbcshw [2024-10-11 15:20:08,040 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_initbcshw [2024-10-11 15:20:08,040 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_dbg_buffer [2024-10-11 15:20:08,040 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_dbg_buffer [2024-10-11 15:20:08,041 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 15:20:08,041 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 15:20:08,042 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_set_line_ctrl [2024-10-11 15:20:08,042 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_set_line_ctrl [2024-10-11 15:20:08,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-11 15:20:08,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2024-10-11 15:20:08,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2024-10-11 15:20:08,042 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2024-10-11 15:20:08,042 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2024-10-11 15:20:08,042 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-10-11 15:20:08,042 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-10-11 15:20:08,042 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freecs [2024-10-11 15:20:08,042 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freecs [2024-10-11 15:20:08,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 15:20:08,043 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_write_room [2024-10-11 15:20:08,043 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_write_room [2024-10-11 15:20:08,043 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_suspend [2024-10-11 15:20:08,043 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_suspend [2024-10-11 15:20:08,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-10-11 15:20:08,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-10-11 15:20:08,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-11 15:20:08,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-11 15:20:08,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-11 15:20:08,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-11 15:20:08,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-11 15:20:08,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-11 15:20:08,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-11 15:20:08,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-11 15:20:08,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2024-10-11 15:20:08,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2024-10-11 15:20:08,045 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-10-11 15:20:08,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-10-11 15:20:08,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_8 [2024-10-11 15:20:08,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_8 [2024-10-11 15:20:08,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-11 15:20:08,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-11 15:20:08,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-11 15:20:08,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-11 15:20:08,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-11 15:20:08,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-11 15:20:08,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-11 15:20:08,046 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2024-10-11 15:20:08,046 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2024-10-11 15:20:08,046 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2024-10-11 15:20:08,046 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2024-10-11 15:20:08,046 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freedriver [2024-10-11 15:20:08,046 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freedriver [2024-10-11 15:20:08,046 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_disconnect [2024-10-11 15:20:08,046 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_disconnect [2024-10-11 15:20:08,046 INFO L130 BoogieDeclarations]: Found specification of procedure dev_notice [2024-10-11 15:20:08,046 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_notice [2024-10-11 15:20:08,046 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_chars_in_buffer [2024-10-11 15:20:08,047 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_chars_in_buffer [2024-10-11 15:20:08,047 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-10-11 15:20:08,047 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-10-11 15:20:08,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-11 15:20:08,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-11 15:20:08,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-11 15:20:08,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-11 15:20:08,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-11 15:20:08,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-11 15:20:08,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-11 15:20:08,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-11 15:20:08,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_17 [2024-10-11 15:20:08,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_17 [2024-10-11 15:20:08,048 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-10-11 15:20:08,048 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-10-11 15:20:08,048 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_m10x_input [2024-10-11 15:20:08,048 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_m10x_input [2024-10-11 15:20:08,049 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-10-11 15:20:08,049 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-10-11 15:20:08,049 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-10-11 15:20:08,049 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-10-11 15:20:08,049 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2024-10-11 15:20:08,049 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2024-10-11 15:20:08,049 INFO L130 BoogieDeclarations]: Found specification of procedure set_value [2024-10-11 15:20:08,049 INFO L138 BoogieDeclarations]: Found implementation of procedure set_value [2024-10-11 15:20:08,049 INFO L130 BoogieDeclarations]: Found specification of procedure tiocm_to_gigaset [2024-10-11 15:20:08,049 INFO L138 BoogieDeclarations]: Found implementation of procedure tiocm_to_gigaset [2024-10-11 15:20:08,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2024-10-11 15:20:08,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2024-10-11 15:20:08,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 15:20:08,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-11 15:20:08,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-11 15:20:08,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-11 15:20:08,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-11 15:20:08,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-11 15:20:08,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-11 15:20:08,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-10-11 15:20:08,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-10-11 15:20:08,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-10-11 15:20:08,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-10-11 15:20:08,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-10-11 15:20:08,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-10-11 15:20:08,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-10-11 15:20:08,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-10-11 15:20:08,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-10-11 15:20:08,050 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_init_bchannel [2024-10-11 15:20:08,050 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_init_bchannel [2024-10-11 15:20:08,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 15:20:08,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 15:20:08,050 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_read_int_callback [2024-10-11 15:20:08,050 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_read_int_callback [2024-10-11 15:20:08,050 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freecshw [2024-10-11 15:20:08,050 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freecshw [2024-10-11 15:20:08,467 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 15:20:08,470 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 15:20:08,581 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-10-11 15:20:09,066 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2024-10-11 15:20:10,355 INFO L? ?]: Removed 873 outVars from TransFormulas that were not future-live. [2024-10-11 15:20:10,355 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 15:20:10,465 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 15:20:10,465 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-11 15:20:10,465 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 03:20:10 BoogieIcfgContainer [2024-10-11 15:20:10,465 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 15:20:10,467 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 15:20:10,467 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 15:20:10,470 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 15:20:10,470 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 03:20:06" (1/3) ... [2024-10-11 15:20:10,471 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@416e4274 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 03:20:10, skipping insertion in model container [2024-10-11 15:20:10,471 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:20:07" (2/3) ... [2024-10-11 15:20:10,471 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@416e4274 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 03:20:10, skipping insertion in model container [2024-10-11 15:20:10,471 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 03:20:10" (3/3) ... [2024-10-11 15:20:10,472 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.cil.out.i [2024-10-11 15:20:10,486 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 15:20:10,487 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 15:20:10,566 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 15:20:10,613 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;@72bc8b54, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 15:20:10,614 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 15:20:10,626 INFO L276 IsEmpty]: Start isEmpty. Operand has 807 states, 550 states have (on average 1.430909090909091) internal successors, (787), 574 states have internal predecessors, (787), 200 states have call successors, (200), 57 states have call predecessors, (200), 55 states have return successors, (194), 189 states have call predecessors, (194), 194 states have call successors, (194) [2024-10-11 15:20:10,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-10-11 15:20:10,645 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:20:10,649 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 15:20:10,650 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:20:10,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:20:10,660 INFO L85 PathProgramCache]: Analyzing trace with hash 1298131049, now seen corresponding path program 1 times [2024-10-11 15:20:10,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:20:10,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257375127] [2024-10-11 15:20:10,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:20:10,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:20:11,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:11,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:20:11,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:11,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 15:20:11,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:11,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 15:20:11,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:11,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 15:20:11,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:11,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 15:20:11,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:11,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 15:20:11,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:11,394 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-11 15:20:11,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:20:11,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257375127] [2024-10-11 15:20:11,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257375127] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:20:11,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:20:11,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 15:20:11,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535434047] [2024-10-11 15:20:11,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:20:11,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 15:20:11,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:20:11,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 15:20:11,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 15:20:11,427 INFO L87 Difference]: Start difference. First operand has 807 states, 550 states have (on average 1.430909090909091) internal successors, (787), 574 states have internal predecessors, (787), 200 states have call successors, (200), 57 states have call predecessors, (200), 55 states have return successors, (194), 189 states have call predecessors, (194), 194 states have call successors, (194) Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-11 15:20:15,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:20:15,295 INFO L93 Difference]: Finished difference Result 2459 states and 3670 transitions. [2024-10-11 15:20:15,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 15:20:15,298 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 48 [2024-10-11 15:20:15,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:20:15,319 INFO L225 Difference]: With dead ends: 2459 [2024-10-11 15:20:15,320 INFO L226 Difference]: Without dead ends: 1636 [2024-10-11 15:20:15,327 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 15:20:15,330 INFO L432 NwaCegarLoop]: 614 mSDtfsCounter, 1709 mSDsluCounter, 822 mSDsCounter, 0 mSdLazyCounter, 1491 mSolverCounterSat, 597 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1865 SdHoareTripleChecker+Valid, 1436 SdHoareTripleChecker+Invalid, 2088 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 597 IncrementalHoareTripleChecker+Valid, 1491 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2024-10-11 15:20:15,331 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1865 Valid, 1436 Invalid, 2088 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [597 Valid, 1491 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2024-10-11 15:20:15,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1636 states. [2024-10-11 15:20:15,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1636 to 1544. [2024-10-11 15:20:15,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1544 states, 1065 states have (on average 1.4028169014084506) internal successors, (1494), 1092 states have internal predecessors, (1494), 370 states have call successors, (370), 109 states have call predecessors, (370), 108 states have return successors, (365), 355 states have call predecessors, (365), 365 states have call successors, (365) [2024-10-11 15:20:15,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1544 states to 1544 states and 2229 transitions. [2024-10-11 15:20:15,478 INFO L78 Accepts]: Start accepts. Automaton has 1544 states and 2229 transitions. Word has length 48 [2024-10-11 15:20:15,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:20:15,478 INFO L471 AbstractCegarLoop]: Abstraction has 1544 states and 2229 transitions. [2024-10-11 15:20:15,479 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-11 15:20:15,479 INFO L276 IsEmpty]: Start isEmpty. Operand 1544 states and 2229 transitions. [2024-10-11 15:20:15,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-10-11 15:20:15,483 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:20:15,483 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 15:20:15,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 15:20:15,484 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:20:15,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:20:15,484 INFO L85 PathProgramCache]: Analyzing trace with hash -1671720691, now seen corresponding path program 1 times [2024-10-11 15:20:15,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:20:15,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179615208] [2024-10-11 15:20:15,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:20:15,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:20:15,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:15,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:20:15,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:15,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 15:20:15,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:15,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 15:20:15,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:15,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 15:20:15,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:15,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 15:20:15,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:15,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 15:20:15,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:15,939 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-11 15:20:15,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:20:15,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179615208] [2024-10-11 15:20:15,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179615208] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:20:15,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:20:15,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 15:20:15,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074281620] [2024-10-11 15:20:15,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:20:15,942 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 15:20:15,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:20:15,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 15:20:15,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 15:20:15,943 INFO L87 Difference]: Start difference. First operand 1544 states and 2229 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-10-11 15:20:19,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:20:19,627 INFO L93 Difference]: Finished difference Result 4939 states and 7299 transitions. [2024-10-11 15:20:19,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 15:20:19,628 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 55 [2024-10-11 15:20:19,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:20:19,649 INFO L225 Difference]: With dead ends: 4939 [2024-10-11 15:20:19,649 INFO L226 Difference]: Without dead ends: 3407 [2024-10-11 15:20:19,655 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-11 15:20:19,658 INFO L432 NwaCegarLoop]: 591 mSDtfsCounter, 2595 mSDsluCounter, 828 mSDsCounter, 0 mSdLazyCounter, 1604 mSolverCounterSat, 1204 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2757 SdHoareTripleChecker+Valid, 1419 SdHoareTripleChecker+Invalid, 2808 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1204 IncrementalHoareTripleChecker+Valid, 1604 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2024-10-11 15:20:19,659 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2757 Valid, 1419 Invalid, 2808 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1204 Valid, 1604 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2024-10-11 15:20:19,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3407 states. [2024-10-11 15:20:19,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3407 to 3129. [2024-10-11 15:20:19,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3129 states, 2160 states have (on average 1.399537037037037) internal successors, (3023), 2210 states have internal predecessors, (3023), 742 states have call successors, (742), 217 states have call predecessors, (742), 226 states have return successors, (793), 727 states have call predecessors, (793), 737 states have call successors, (793) [2024-10-11 15:20:19,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3129 states to 3129 states and 4558 transitions. [2024-10-11 15:20:19,804 INFO L78 Accepts]: Start accepts. Automaton has 3129 states and 4558 transitions. Word has length 55 [2024-10-11 15:20:19,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:20:19,805 INFO L471 AbstractCegarLoop]: Abstraction has 3129 states and 4558 transitions. [2024-10-11 15:20:19,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-10-11 15:20:19,805 INFO L276 IsEmpty]: Start isEmpty. Operand 3129 states and 4558 transitions. [2024-10-11 15:20:19,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-10-11 15:20:19,812 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:20:19,812 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 15:20:19,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 15:20:19,812 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:20:19,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:20:19,813 INFO L85 PathProgramCache]: Analyzing trace with hash -284215861, now seen corresponding path program 1 times [2024-10-11 15:20:19,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:20:19,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654454221] [2024-10-11 15:20:19,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:20:19,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:20:19,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:20,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:20:20,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:20,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 15:20:20,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:20,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 15:20:20,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:20,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 15:20:20,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:20,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 15:20:20,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:20,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 15:20:20,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:20,235 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-11 15:20:20,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:20:20,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654454221] [2024-10-11 15:20:20,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654454221] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:20:20,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:20:20,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 15:20:20,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148299380] [2024-10-11 15:20:20,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:20:20,237 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 15:20:20,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:20:20,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 15:20:20,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 15:20:20,239 INFO L87 Difference]: Start difference. First operand 3129 states and 4558 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-10-11 15:20:23,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:20:23,842 INFO L93 Difference]: Finished difference Result 9890 states and 14768 transitions. [2024-10-11 15:20:23,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 15:20:23,843 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 56 [2024-10-11 15:20:23,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:20:23,880 INFO L225 Difference]: With dead ends: 9890 [2024-10-11 15:20:23,881 INFO L226 Difference]: Without dead ends: 6773 [2024-10-11 15:20:23,894 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-11 15:20:23,895 INFO L432 NwaCegarLoop]: 626 mSDtfsCounter, 2564 mSDsluCounter, 840 mSDsCounter, 0 mSdLazyCounter, 1631 mSolverCounterSat, 1162 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2731 SdHoareTripleChecker+Valid, 1466 SdHoareTripleChecker+Invalid, 2793 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1162 IncrementalHoareTripleChecker+Valid, 1631 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-10-11 15:20:23,898 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2731 Valid, 1466 Invalid, 2793 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1162 Valid, 1631 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-10-11 15:20:23,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6773 states. [2024-10-11 15:20:24,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6773 to 6292. [2024-10-11 15:20:24,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6292 states, 4343 states have (on average 1.3955790927930003) internal successors, (6061), 4439 states have internal predecessors, (6061), 1486 states have call successors, (1486), 433 states have call predecessors, (1486), 462 states have return successors, (1697), 1471 states have call predecessors, (1697), 1481 states have call successors, (1697) [2024-10-11 15:20:24,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6292 states to 6292 states and 9244 transitions. [2024-10-11 15:20:24,151 INFO L78 Accepts]: Start accepts. Automaton has 6292 states and 9244 transitions. Word has length 56 [2024-10-11 15:20:24,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:20:24,153 INFO L471 AbstractCegarLoop]: Abstraction has 6292 states and 9244 transitions. [2024-10-11 15:20:24,153 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-10-11 15:20:24,154 INFO L276 IsEmpty]: Start isEmpty. Operand 6292 states and 9244 transitions. [2024-10-11 15:20:24,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-10-11 15:20:24,157 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:20:24,157 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 15:20:24,157 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 15:20:24,157 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:20:24,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:20:24,158 INFO L85 PathProgramCache]: Analyzing trace with hash -221234224, now seen corresponding path program 1 times [2024-10-11 15:20:24,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:20:24,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704260029] [2024-10-11 15:20:24,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:20:24,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:20:24,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:24,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:20:24,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:24,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 15:20:24,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:24,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 15:20:24,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:24,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 15:20:24,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:24,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 15:20:24,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:24,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 15:20:24,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:24,428 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-11 15:20:24,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:20:24,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704260029] [2024-10-11 15:20:24,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704260029] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:20:24,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:20:24,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 15:20:24,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614760368] [2024-10-11 15:20:24,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:20:24,430 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 15:20:24,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:20:24,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 15:20:24,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 15:20:24,431 INFO L87 Difference]: Start difference. First operand 6292 states and 9244 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-10-11 15:20:27,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:20:27,754 INFO L93 Difference]: Finished difference Result 6771 states and 10057 transitions. [2024-10-11 15:20:27,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 15:20:27,757 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 57 [2024-10-11 15:20:27,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:20:27,792 INFO L225 Difference]: With dead ends: 6771 [2024-10-11 15:20:27,792 INFO L226 Difference]: Without dead ends: 6768 [2024-10-11 15:20:27,797 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-11 15:20:27,799 INFO L432 NwaCegarLoop]: 626 mSDtfsCounter, 2564 mSDsluCounter, 838 mSDsCounter, 0 mSdLazyCounter, 1627 mSolverCounterSat, 1162 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2731 SdHoareTripleChecker+Valid, 1464 SdHoareTripleChecker+Invalid, 2789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1162 IncrementalHoareTripleChecker+Valid, 1627 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-10-11 15:20:27,799 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2731 Valid, 1464 Invalid, 2789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1162 Valid, 1627 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-10-11 15:20:27,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6768 states. [2024-10-11 15:20:28,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6768 to 6293. [2024-10-11 15:20:28,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6293 states, 4344 states have (on average 1.39548802946593) internal successors, (6062), 4440 states have internal predecessors, (6062), 1486 states have call successors, (1486), 433 states have call predecessors, (1486), 462 states have return successors, (1697), 1471 states have call predecessors, (1697), 1481 states have call successors, (1697) [2024-10-11 15:20:28,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6293 states to 6293 states and 9245 transitions. [2024-10-11 15:20:28,057 INFO L78 Accepts]: Start accepts. Automaton has 6293 states and 9245 transitions. Word has length 57 [2024-10-11 15:20:28,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:20:28,059 INFO L471 AbstractCegarLoop]: Abstraction has 6293 states and 9245 transitions. [2024-10-11 15:20:28,059 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-10-11 15:20:28,059 INFO L276 IsEmpty]: Start isEmpty. Operand 6293 states and 9245 transitions. [2024-10-11 15:20:28,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-10-11 15:20:28,060 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:20:28,061 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 15:20:28,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 15:20:28,062 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:20:28,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:20:28,062 INFO L85 PathProgramCache]: Analyzing trace with hash 1731201390, now seen corresponding path program 1 times [2024-10-11 15:20:28,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:20:28,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819446464] [2024-10-11 15:20:28,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:20:28,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:20:28,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:28,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:20:28,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:28,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 15:20:28,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:28,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 15:20:28,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:28,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 15:20:28,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:28,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 15:20:28,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:28,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 15:20:28,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:28,383 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-11 15:20:28,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:20:28,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819446464] [2024-10-11 15:20:28,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819446464] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:20:28,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:20:28,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 15:20:28,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666914566] [2024-10-11 15:20:28,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:20:28,386 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 15:20:28,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:20:28,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 15:20:28,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 15:20:28,387 INFO L87 Difference]: Start difference. First operand 6293 states and 9245 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-10-11 15:20:30,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:20:30,508 INFO L93 Difference]: Finished difference Result 6767 states and 10053 transitions. [2024-10-11 15:20:30,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 15:20:30,510 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 58 [2024-10-11 15:20:30,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:20:30,543 INFO L225 Difference]: With dead ends: 6767 [2024-10-11 15:20:30,544 INFO L226 Difference]: Without dead ends: 6764 [2024-10-11 15:20:30,549 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-11 15:20:30,550 INFO L432 NwaCegarLoop]: 540 mSDtfsCounter, 1392 mSDsluCounter, 645 mSDsCounter, 0 mSdLazyCounter, 1062 mSolverCounterSat, 474 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1490 SdHoareTripleChecker+Valid, 1185 SdHoareTripleChecker+Invalid, 1536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 474 IncrementalHoareTripleChecker+Valid, 1062 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-10-11 15:20:30,550 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1490 Valid, 1185 Invalid, 1536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [474 Valid, 1062 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-10-11 15:20:30,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6764 states. [2024-10-11 15:20:30,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6764 to 6292. [2024-10-11 15:20:30,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6292 states, 4344 states have (on average 1.3952578268876612) internal successors, (6061), 4439 states have internal predecessors, (6061), 1485 states have call successors, (1485), 433 states have call predecessors, (1485), 462 states have return successors, (1697), 1471 states have call predecessors, (1697), 1481 states have call successors, (1697) [2024-10-11 15:20:30,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6292 states to 6292 states and 9243 transitions. [2024-10-11 15:20:30,845 INFO L78 Accepts]: Start accepts. Automaton has 6292 states and 9243 transitions. Word has length 58 [2024-10-11 15:20:30,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:20:30,845 INFO L471 AbstractCegarLoop]: Abstraction has 6292 states and 9243 transitions. [2024-10-11 15:20:30,846 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-10-11 15:20:30,846 INFO L276 IsEmpty]: Start isEmpty. Operand 6292 states and 9243 transitions. [2024-10-11 15:20:30,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-10-11 15:20:30,848 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:20:30,848 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 15:20:30,848 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 15:20:30,848 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:20:30,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:20:30,849 INFO L85 PathProgramCache]: Analyzing trace with hash 2127168147, now seen corresponding path program 1 times [2024-10-11 15:20:30,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:20:30,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854714320] [2024-10-11 15:20:30,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:20:30,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:20:30,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:30,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:20:30,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:30,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 15:20:30,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:30,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 15:20:30,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:30,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 15:20:31,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:31,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 15:20:31,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:31,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 15:20:31,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:31,024 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-11 15:20:31,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:20:31,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854714320] [2024-10-11 15:20:31,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854714320] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:20:31,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:20:31,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 15:20:31,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022105477] [2024-10-11 15:20:31,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:20:31,026 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 15:20:31,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:20:31,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 15:20:31,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 15:20:31,026 INFO L87 Difference]: Start difference. First operand 6292 states and 9243 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-10-11 15:20:33,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:20:33,486 INFO L93 Difference]: Finished difference Result 6766 states and 10051 transitions. [2024-10-11 15:20:33,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 15:20:33,487 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 59 [2024-10-11 15:20:33,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:20:33,516 INFO L225 Difference]: With dead ends: 6766 [2024-10-11 15:20:33,517 INFO L226 Difference]: Without dead ends: 6751 [2024-10-11 15:20:33,522 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-11 15:20:33,522 INFO L432 NwaCegarLoop]: 539 mSDtfsCounter, 1389 mSDsluCounter, 645 mSDsCounter, 0 mSdLazyCounter, 1059 mSolverCounterSat, 472 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1487 SdHoareTripleChecker+Valid, 1184 SdHoareTripleChecker+Invalid, 1531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 472 IncrementalHoareTripleChecker+Valid, 1059 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-10-11 15:20:33,523 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1487 Valid, 1184 Invalid, 1531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [472 Valid, 1059 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-10-11 15:20:33,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6751 states. [2024-10-11 15:20:33,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6751 to 6279. [2024-10-11 15:20:33,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6279 states, 4334 states have (on average 1.3947854176280572) internal successors, (6045), 4428 states have internal predecessors, (6045), 1483 states have call successors, (1483), 432 states have call predecessors, (1483), 461 states have return successors, (1696), 1470 states have call predecessors, (1696), 1480 states have call successors, (1696) [2024-10-11 15:20:33,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6279 states to 6279 states and 9224 transitions. [2024-10-11 15:20:33,820 INFO L78 Accepts]: Start accepts. Automaton has 6279 states and 9224 transitions. Word has length 59 [2024-10-11 15:20:33,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:20:33,821 INFO L471 AbstractCegarLoop]: Abstraction has 6279 states and 9224 transitions. [2024-10-11 15:20:33,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-10-11 15:20:33,821 INFO L276 IsEmpty]: Start isEmpty. Operand 6279 states and 9224 transitions. [2024-10-11 15:20:33,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-10-11 15:20:33,831 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:20:33,832 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 15:20:33,832 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 15:20:33,832 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:20:33,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:20:33,832 INFO L85 PathProgramCache]: Analyzing trace with hash 35623484, now seen corresponding path program 1 times [2024-10-11 15:20:33,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:20:33,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785837306] [2024-10-11 15:20:33,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:20:33,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:20:33,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:33,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:20:33,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:33,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 15:20:33,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:34,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 15:20:34,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:34,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 15:20:34,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:34,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 15:20:34,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:34,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 15:20:34,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:34,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 15:20:34,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:34,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 15:20:34,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:34,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 15:20:34,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:34,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 15:20:34,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:34,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 15:20:34,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:34,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 15:20:34,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:34,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:20:34,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:34,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 15:20:34,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:34,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 15:20:34,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:34,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 15:20:34,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:34,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 15:20:34,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:34,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 15:20:34,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:34,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-11 15:20:34,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:34,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-11 15:20:34,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:34,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 15:20:34,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:34,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 15:20:34,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:34,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-11 15:20:34,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:34,165 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-10-11 15:20:34,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:20:34,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785837306] [2024-10-11 15:20:34,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785837306] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:20:34,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:20:34,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-11 15:20:34,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033206233] [2024-10-11 15:20:34,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:20:34,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 15:20:34,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:20:34,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 15:20:34,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-10-11 15:20:34,172 INFO L87 Difference]: Start difference. First operand 6279 states and 9224 transitions. Second operand has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (24), 8 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-11 15:20:39,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:20:39,336 INFO L93 Difference]: Finished difference Result 17517 states and 25745 transitions. [2024-10-11 15:20:39,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-11 15:20:39,337 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (24), 8 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 160 [2024-10-11 15:20:39,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:20:39,382 INFO L225 Difference]: With dead ends: 17517 [2024-10-11 15:20:39,383 INFO L226 Difference]: Without dead ends: 11250 [2024-10-11 15:20:39,404 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2024-10-11 15:20:39,405 INFO L432 NwaCegarLoop]: 515 mSDtfsCounter, 4301 mSDsluCounter, 1753 mSDsCounter, 0 mSdLazyCounter, 2157 mSolverCounterSat, 2496 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4377 SdHoareTripleChecker+Valid, 2268 SdHoareTripleChecker+Invalid, 4653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2496 IncrementalHoareTripleChecker+Valid, 2157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-10-11 15:20:39,405 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4377 Valid, 2268 Invalid, 4653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2496 Valid, 2157 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2024-10-11 15:20:39,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11250 states. [2024-10-11 15:20:40,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11250 to 9887. [2024-10-11 15:20:40,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9887 states, 6914 states have (on average 1.40381833960081) internal successors, (9706), 7040 states have internal predecessors, (9706), 2181 states have call successors, (2181), 720 states have call predecessors, (2181), 791 states have return successors, (2344), 2198 states have call predecessors, (2344), 2178 states have call successors, (2344) [2024-10-11 15:20:40,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9887 states to 9887 states and 14231 transitions. [2024-10-11 15:20:40,171 INFO L78 Accepts]: Start accepts. Automaton has 9887 states and 14231 transitions. Word has length 160 [2024-10-11 15:20:40,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:20:40,172 INFO L471 AbstractCegarLoop]: Abstraction has 9887 states and 14231 transitions. [2024-10-11 15:20:40,173 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (24), 8 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-11 15:20:40,173 INFO L276 IsEmpty]: Start isEmpty. Operand 9887 states and 14231 transitions. [2024-10-11 15:20:40,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-10-11 15:20:40,185 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:20:40,185 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 15:20:40,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 15:20:40,186 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:20:40,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:20:40,186 INFO L85 PathProgramCache]: Analyzing trace with hash -866353012, now seen corresponding path program 1 times [2024-10-11 15:20:40,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:20:40,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819220946] [2024-10-11 15:20:40,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:20:40,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:20:40,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:40,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:20:40,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:40,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 15:20:40,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:40,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 15:20:40,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:40,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 15:20:40,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:40,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 15:20:40,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:40,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 15:20:40,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:40,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 15:20:40,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:40,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 15:20:40,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:40,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 15:20:40,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:40,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 15:20:40,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:40,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 15:20:40,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:40,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 15:20:40,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:40,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 15:20:40,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:40,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 15:20:40,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:40,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 15:20:40,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:40,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:20:40,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:40,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 15:20:40,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:40,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 15:20:40,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:40,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 15:20:40,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:40,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-11 15:20:40,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:40,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-11 15:20:40,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:40,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-11 15:20:40,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:40,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-11 15:20:40,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:40,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 15:20:40,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:40,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-11 15:20:40,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:40,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-11 15:20:40,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:40,579 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-11 15:20:40,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:20:40,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819220946] [2024-10-11 15:20:40,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819220946] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:20:40,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:20:40,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-11 15:20:40,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632124589] [2024-10-11 15:20:40,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:20:40,581 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 15:20:40,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:20:40,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 15:20:40,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-10-11 15:20:40,582 INFO L87 Difference]: Start difference. First operand 9887 states and 14231 transitions. Second operand has 10 states, 10 states have (on average 10.1) internal successors, (101), 4 states have internal predecessors, (101), 2 states have call successors, (27), 8 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-10-11 15:20:46,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:20:46,112 INFO L93 Difference]: Finished difference Result 21127 states and 30747 transitions. [2024-10-11 15:20:46,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-11 15:20:46,112 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.1) internal successors, (101), 4 states have internal predecessors, (101), 2 states have call successors, (27), 8 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 188 [2024-10-11 15:20:46,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:20:46,156 INFO L225 Difference]: With dead ends: 21127 [2024-10-11 15:20:46,157 INFO L226 Difference]: Without dead ends: 11252 [2024-10-11 15:20:46,184 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=125, Invalid=337, Unknown=0, NotChecked=0, Total=462 [2024-10-11 15:20:46,184 INFO L432 NwaCegarLoop]: 510 mSDtfsCounter, 3507 mSDsluCounter, 1793 mSDsCounter, 0 mSdLazyCounter, 2103 mSolverCounterSat, 2130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3647 SdHoareTripleChecker+Valid, 2303 SdHoareTripleChecker+Invalid, 4233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2130 IncrementalHoareTripleChecker+Valid, 2103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-10-11 15:20:46,184 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3647 Valid, 2303 Invalid, 4233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2130 Valid, 2103 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2024-10-11 15:20:46,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11252 states. [2024-10-11 15:20:46,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11252 to 9895. [2024-10-11 15:20:46,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9895 states, 6922 states have (on average 1.402484830973707) internal successors, (9708), 7048 states have internal predecessors, (9708), 2181 states have call successors, (2181), 720 states have call predecessors, (2181), 791 states have return successors, (2344), 2198 states have call predecessors, (2344), 2178 states have call successors, (2344) [2024-10-11 15:20:46,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9895 states to 9895 states and 14233 transitions. [2024-10-11 15:20:46,848 INFO L78 Accepts]: Start accepts. Automaton has 9895 states and 14233 transitions. Word has length 188 [2024-10-11 15:20:46,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:20:46,849 INFO L471 AbstractCegarLoop]: Abstraction has 9895 states and 14233 transitions. [2024-10-11 15:20:46,849 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.1) internal successors, (101), 4 states have internal predecessors, (101), 2 states have call successors, (27), 8 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-10-11 15:20:46,849 INFO L276 IsEmpty]: Start isEmpty. Operand 9895 states and 14233 transitions. [2024-10-11 15:20:46,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-10-11 15:20:46,863 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:20:46,863 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 15:20:46,863 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-11 15:20:46,863 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:20:46,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:20:46,864 INFO L85 PathProgramCache]: Analyzing trace with hash 1026231950, now seen corresponding path program 1 times [2024-10-11 15:20:46,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:20:46,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983634097] [2024-10-11 15:20:46,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:20:46,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:20:47,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:47,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:20:47,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:47,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 15:20:47,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:47,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 15:20:47,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:47,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 15:20:47,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:47,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 15:20:47,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:47,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 15:20:47,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:47,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 15:20:47,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:47,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 15:20:47,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:47,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-11 15:20:47,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:47,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-11 15:20:47,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:47,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-11 15:20:47,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:47,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 15:20:47,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:47,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 15:20:47,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:47,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 15:20:47,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:47,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 15:20:47,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:47,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:20:47,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:47,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-11 15:20:47,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:47,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-11 15:20:47,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:47,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 15:20:47,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:47,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 15:20:47,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:47,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-11 15:20:47,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:47,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-11 15:20:47,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:47,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 15:20:47,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:47,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-11 15:20:47,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:47,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-11 15:20:47,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:47,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-11 15:20:47,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:47,303 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2024-10-11 15:20:47,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:20:47,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983634097] [2024-10-11 15:20:47,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [983634097] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:20:47,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:20:47,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-11 15:20:47,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853583748] [2024-10-11 15:20:47,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:20:47,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 15:20:47,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:20:47,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 15:20:47,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-10-11 15:20:47,306 INFO L87 Difference]: Start difference. First operand 9895 states and 14233 transitions. Second operand has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (27), 8 states have call predecessors, (27), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2024-10-11 15:20:56,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:20:56,489 INFO L93 Difference]: Finished difference Result 26792 states and 39012 transitions. [2024-10-11 15:20:56,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-11 15:20:56,489 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (27), 8 states have call predecessors, (27), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 190 [2024-10-11 15:20:56,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:20:56,565 INFO L225 Difference]: With dead ends: 26792 [2024-10-11 15:20:56,565 INFO L226 Difference]: Without dead ends: 16909 [2024-10-11 15:20:56,599 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 163 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=195, Invalid=507, Unknown=0, NotChecked=0, Total=702 [2024-10-11 15:20:56,601 INFO L432 NwaCegarLoop]: 955 mSDtfsCounter, 3048 mSDsluCounter, 4125 mSDsCounter, 0 mSdLazyCounter, 4145 mSolverCounterSat, 1792 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3183 SdHoareTripleChecker+Valid, 5080 SdHoareTripleChecker+Invalid, 5937 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1792 IncrementalHoareTripleChecker+Valid, 4145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2024-10-11 15:20:56,602 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3183 Valid, 5080 Invalid, 5937 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1792 Valid, 4145 Invalid, 0 Unknown, 0 Unchecked, 7.2s Time] [2024-10-11 15:20:56,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16909 states. [2024-10-11 15:20:57,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16909 to 14847. [2024-10-11 15:20:57,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14847 states, 10381 states have (on average 1.4022733840670456) internal successors, (14557), 10573 states have internal predecessors, (14557), 3266 states have call successors, (3266), 1092 states have call predecessors, (3266), 1199 states have return successors, (3512), 3285 states have call predecessors, (3512), 3263 states have call successors, (3512) [2024-10-11 15:20:57,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14847 states to 14847 states and 21335 transitions. [2024-10-11 15:20:57,789 INFO L78 Accepts]: Start accepts. Automaton has 14847 states and 21335 transitions. Word has length 190 [2024-10-11 15:20:57,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:20:57,789 INFO L471 AbstractCegarLoop]: Abstraction has 14847 states and 21335 transitions. [2024-10-11 15:20:57,789 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (27), 8 states have call predecessors, (27), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2024-10-11 15:20:57,789 INFO L276 IsEmpty]: Start isEmpty. Operand 14847 states and 21335 transitions. [2024-10-11 15:20:57,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-10-11 15:20:57,808 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:20:57,809 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 15:20:57,809 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-11 15:20:57,809 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:20:57,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:20:57,809 INFO L85 PathProgramCache]: Analyzing trace with hash -1570123160, now seen corresponding path program 1 times [2024-10-11 15:20:57,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:20:57,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849520333] [2024-10-11 15:20:57,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:20:57,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:20:57,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:58,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:20:58,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:58,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 15:20:58,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:58,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 15:20:58,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:58,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 15:20:58,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:58,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 15:20:58,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:58,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 15:20:58,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:58,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 15:20:58,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:58,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 15:20:58,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:58,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 15:20:58,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:58,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 15:20:58,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:58,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 15:20:58,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:58,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-11 15:20:58,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:58,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 15:20:58,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:58,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 15:20:58,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:58,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 15:20:58,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:58,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 15:20:58,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:58,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-11 15:20:58,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:58,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:20:58,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:58,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-11 15:20:58,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:58,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-11 15:20:58,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:58,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-11 15:20:58,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:58,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-11 15:20:58,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:58,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 15:20:58,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:58,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-11 15:20:58,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:58,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-11 15:20:58,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:58,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-11 15:20:58,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:58,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-11 15:20:58,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:58,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 15:20:58,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:58,297 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2024-10-11 15:20:58,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:20:58,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849520333] [2024-10-11 15:20:58,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849520333] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 15:20:58,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1595794731] [2024-10-11 15:20:58,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:20:58,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 15:20:58,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 15:20:58,299 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 15:20:58,300 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 15:20:58,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:20:58,989 INFO L255 TraceCheckSpWp]: Trace formula consists of 1843 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 15:20:59,001 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 15:20:59,099 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2024-10-11 15:20:59,099 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 15:20:59,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1595794731] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:20:59,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 15:20:59,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 13 [2024-10-11 15:20:59,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163296505] [2024-10-11 15:20:59,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:20:59,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 15:20:59,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:20:59,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 15:20:59,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2024-10-11 15:20:59,102 INFO L87 Difference]: Start difference. First operand 14847 states and 21335 transitions. Second operand has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 3 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2024-10-11 15:21:03,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:21:03,263 INFO L93 Difference]: Finished difference Result 44949 states and 64629 transitions. [2024-10-11 15:21:03,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 15:21:03,263 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 3 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 193 [2024-10-11 15:21:03,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:21:03,375 INFO L225 Difference]: With dead ends: 44949 [2024-10-11 15:21:03,375 INFO L226 Difference]: Without dead ends: 30114 [2024-10-11 15:21:03,408 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2024-10-11 15:21:03,409 INFO L432 NwaCegarLoop]: 2099 mSDtfsCounter, 1142 mSDsluCounter, 5244 mSDsCounter, 0 mSdLazyCounter, 526 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1142 SdHoareTripleChecker+Valid, 7343 SdHoareTripleChecker+Invalid, 542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 526 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-10-11 15:21:03,409 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1142 Valid, 7343 Invalid, 542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 526 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-10-11 15:21:03,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30114 states. [2024-10-11 15:21:06,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30114 to 29915. [2024-10-11 15:21:06,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29915 states, 20842 states have (on average 1.399865655887151) internal successors, (29176), 21272 states have internal predecessors, (29176), 6689 states have call successors, (6689), 2168 states have call predecessors, (6689), 2383 states have return successors, (7220), 6682 states have call predecessors, (7220), 6686 states have call successors, (7220) [2024-10-11 15:21:06,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29915 states to 29915 states and 43085 transitions. [2024-10-11 15:21:06,329 INFO L78 Accepts]: Start accepts. Automaton has 29915 states and 43085 transitions. Word has length 193 [2024-10-11 15:21:06,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:21:06,330 INFO L471 AbstractCegarLoop]: Abstraction has 29915 states and 43085 transitions. [2024-10-11 15:21:06,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 3 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2024-10-11 15:21:06,330 INFO L276 IsEmpty]: Start isEmpty. Operand 29915 states and 43085 transitions. [2024-10-11 15:21:06,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-10-11 15:21:06,361 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:21:06,361 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 15:21:06,379 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-11 15:21:06,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-10-11 15:21:06,563 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:21:06,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:21:06,564 INFO L85 PathProgramCache]: Analyzing trace with hash 730699430, now seen corresponding path program 1 times [2024-10-11 15:21:06,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:21:06,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636662969] [2024-10-11 15:21:06,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:21:06,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:21:06,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:21:07,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:21:07,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:21:07,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 15:21:07,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:21:07,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 15:21:07,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:21:07,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 15:21:07,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:21:07,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 15:21:07,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:21:07,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 15:21:07,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:21:07,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 15:21:07,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:21:07,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 15:21:07,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:21:07,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 15:21:07,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:21:07,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 15:21:07,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:21:07,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 15:21:07,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:21:07,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-11 15:21:07,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:21:07,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 15:21:07,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:21:07,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 15:21:07,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:21:07,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 15:21:07,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:21:07,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 15:21:07,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:21:07,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-11 15:21:07,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:21:07,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:21:07,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:21:07,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-11 15:21:07,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:21:07,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-11 15:21:07,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:21:07,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-11 15:21:07,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:21:07,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-11 15:21:07,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:21:07,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 15:21:07,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:21:07,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-11 15:21:07,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:21:07,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-11 15:21:07,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:21:07,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-11 15:21:07,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:21:07,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-11 15:21:07,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:21:07,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 15:21:07,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:21:07,314 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2024-10-11 15:21:07,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:21:07,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636662969] [2024-10-11 15:21:07,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636662969] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 15:21:07,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [399068046] [2024-10-11 15:21:07,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:21:07,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 15:21:07,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 15:21:07,317 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 15:21:07,318 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-11 15:21:07,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:21:07,924 INFO L255 TraceCheckSpWp]: Trace formula consists of 1838 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-11 15:21:07,933 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 15:21:07,969 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2024-10-11 15:21:07,969 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 15:21:07,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [399068046] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:21:07,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 15:21:07,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11] total 11 [2024-10-11 15:21:07,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861995362] [2024-10-11 15:21:07,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:21:07,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 15:21:07,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:21:07,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 15:21:07,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-10-11 15:21:07,971 INFO L87 Difference]: Start difference. First operand 29915 states and 43085 transitions. Second operand has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 2 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) [2024-10-11 15:21:11,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:21:11,877 INFO L93 Difference]: Finished difference Result 60060 states and 86565 transitions. [2024-10-11 15:21:11,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 15:21:11,878 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 2 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) Word has length 193 [2024-10-11 15:21:11,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:21:12,050 INFO L225 Difference]: With dead ends: 60060 [2024-10-11 15:21:12,050 INFO L226 Difference]: Without dead ends: 30157 [2024-10-11 15:21:12,137 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 245 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-10-11 15:21:12,138 INFO L432 NwaCegarLoop]: 1079 mSDtfsCounter, 1127 mSDsluCounter, 3194 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1133 SdHoareTripleChecker+Valid, 4273 SdHoareTripleChecker+Invalid, 332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-11 15:21:12,138 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1133 Valid, 4273 Invalid, 332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 327 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-11 15:21:12,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30157 states. [2024-10-11 15:21:14,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30157 to 30027. [2024-10-11 15:21:14,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30027 states, 20922 states have (on average 1.3983366790937768) internal successors, (29256), 21368 states have internal predecessors, (29256), 6689 states have call successors, (6689), 2168 states have call predecessors, (6689), 2415 states have return successors, (7308), 6698 states have call predecessors, (7308), 6686 states have call successors, (7308) [2024-10-11 15:21:14,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30027 states to 30027 states and 43253 transitions. [2024-10-11 15:21:14,992 INFO L78 Accepts]: Start accepts. Automaton has 30027 states and 43253 transitions. Word has length 193 [2024-10-11 15:21:14,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:21:14,993 INFO L471 AbstractCegarLoop]: Abstraction has 30027 states and 43253 transitions. [2024-10-11 15:21:14,993 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 2 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) [2024-10-11 15:21:14,993 INFO L276 IsEmpty]: Start isEmpty. Operand 30027 states and 43253 transitions. [2024-10-11 15:21:15,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-10-11 15:21:15,028 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:21:15,028 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 15:21:15,045 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-11 15:21:15,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 15:21:15,229 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:21:15,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:21:15,230 INFO L85 PathProgramCache]: Analyzing trace with hash 1817841699, now seen corresponding path program 1 times [2024-10-11 15:21:15,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:21:15,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151603422] [2024-10-11 15:21:15,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:21:15,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:21:15,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:21:15,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:21:15,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:21:15,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 15:21:15,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:21:15,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 15:21:15,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:21:15,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 15:21:15,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:21:15,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 15:21:15,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:21:15,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 15:21:15,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:21:15,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 15:21:15,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:21:15,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-11 15:21:15,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:21:15,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 15:21:15,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:21:15,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 15:21:15,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:21:15,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 15:21:15,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:21:15,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 15:21:15,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:21:15,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-11 15:21:15,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:21:15,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 15:21:15,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:21:15,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 15:21:15,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:21:15,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 15:21:15,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:21:15,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 15:21:15,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:21:15,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-11 15:21:15,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:21:15,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:21:15,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:21:15,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-11 15:21:15,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:21:15,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-11 15:21:15,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:21:15,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 15:21:15,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:21:15,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 15:21:15,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:21:15,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 15:21:15,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:21:15,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-11 15:21:15,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:21:15,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-11 15:21:15,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:21:15,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-11 15:21:15,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:21:15,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-11 15:21:15,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:21:15,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-11 15:21:15,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:21:15,932 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2024-10-11 15:21:15,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:21:15,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151603422] [2024-10-11 15:21:15,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151603422] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 15:21:15,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1254341706] [2024-10-11 15:21:15,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:21:15,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 15:21:15,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 15:21:15,935 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 15:21:15,937 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-11 15:21:16,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:21:16,610 INFO L255 TraceCheckSpWp]: Trace formula consists of 1864 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-11 15:21:16,615 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 15:21:16,637 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2024-10-11 15:21:16,638 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 15:21:16,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1254341706] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:21:16,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 15:21:16,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11] total 11 [2024-10-11 15:21:16,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736997125] [2024-10-11 15:21:16,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:21:16,639 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 15:21:16,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:21:16,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 15:21:16,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-10-11 15:21:16,640 INFO L87 Difference]: Start difference. First operand 30027 states and 43253 transitions. Second operand has 5 states, 5 states have (on average 21.6) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) [2024-10-11 15:21:21,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:21:21,138 INFO L93 Difference]: Finished difference Result 60154 states and 86680 transitions. [2024-10-11 15:21:21,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 15:21:21,139 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) Word has length 199 [2024-10-11 15:21:21,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:21:21,293 INFO L225 Difference]: With dead ends: 60154 [2024-10-11 15:21:21,293 INFO L226 Difference]: Without dead ends: 30091 [2024-10-11 15:21:21,364 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 253 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-10-11 15:21:21,365 INFO L432 NwaCegarLoop]: 1073 mSDtfsCounter, 0 mSDsluCounter, 3214 mSDsCounter, 0 mSdLazyCounter, 292 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4287 SdHoareTripleChecker+Invalid, 292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-10-11 15:21:21,366 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4287 Invalid, 292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 292 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-10-11 15:21:21,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30091 states.