./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 345f2c82068eea48aca6314e15d35413af585b08222f0693277bcfbc8625f6ae --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 00:44:44,966 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 00:44:45,045 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-17 00:44:45,052 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 00:44:45,053 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 00:44:45,082 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 00:44:45,083 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 00:44:45,083 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 00:44:45,084 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 00:44:45,084 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 00:44:45,085 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 00:44:45,085 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 00:44:45,086 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 00:44:45,086 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 00:44:45,087 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 00:44:45,087 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 00:44:45,087 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 00:44:45,088 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 00:44:45,088 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 00:44:45,088 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 00:44:45,090 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-17 00:44:45,090 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-17 00:44:45,090 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-17 00:44:45,091 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 00:44:45,091 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-17 00:44:45,091 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 00:44:45,092 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 00:44:45,092 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 00:44:45,092 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 00:44:45,093 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 00:44:45,093 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 00:44:45,093 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 00:44:45,094 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 00:44:45,094 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 00:44:45,094 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 00:44:45,095 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 00:44:45,095 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 00:44:45,095 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 00:44:45,096 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 00:44:45,096 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 00:44:45,096 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 00:44:45,097 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 00:44:45,097 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 345f2c82068eea48aca6314e15d35413af585b08222f0693277bcfbc8625f6ae [2024-11-17 00:44:45,353 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 00:44:45,379 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 00:44:45,382 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 00:44:45,384 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 00:44:45,385 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 00:44:45,386 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl.i [2024-11-17 00:44:46,801 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 00:44:47,172 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 00:44:47,174 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl.i [2024-11-17 00:44:47,205 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f00c4f36a/5edd0164648d499689447e6578b4ba71/FLAG5c6436296 [2024-11-17 00:44:47,224 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f00c4f36a/5edd0164648d499689447e6578b4ba71 [2024-11-17 00:44:47,228 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 00:44:47,230 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 00:44:47,231 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 00:44:47,232 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 00:44:47,237 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 00:44:47,238 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 12:44:47" (1/1) ... [2024-11-17 00:44:47,239 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15352288 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:44:47, skipping insertion in model container [2024-11-17 00:44:47,239 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 12:44:47" (1/1) ... [2024-11-17 00:44:47,307 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 00:44:48,083 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:44:48,106 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:44:48,127 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:44:48,225 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:44:48,248 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:44:48,249 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 00:44:48,322 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 00:44:48,499 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 00:44:48,795 INFO L204 MainTranslator]: Completed translation [2024-11-17 00:44:48,796 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:44:48 WrapperNode [2024-11-17 00:44:48,796 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 00:44:48,797 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 00:44:48,797 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 00:44:48,798 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 00:44:48,803 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:44:48" (1/1) ... [2024-11-17 00:44:48,884 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:44:48" (1/1) ... [2024-11-17 00:44:49,090 INFO L138 Inliner]: procedures = 472, calls = 2681, calls flagged for inlining = 55, calls inlined = 37, statements flattened = 3380 [2024-11-17 00:44:49,090 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 00:44:49,094 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 00:44:49,094 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 00:44:49,094 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 00:44:49,105 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:44:48" (1/1) ... [2024-11-17 00:44:49,106 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:44:48" (1/1) ... [2024-11-17 00:44:49,135 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:44:48" (1/1) ... [2024-11-17 00:44:49,243 INFO L175 MemorySlicer]: Split 2037 memory accesses to 27 slices as follows [5, 5, 3, 35, 1040, 480, 59, 35, 11, 5, 15, 120, 67, 2, 12, 0, 2, 2, 2, 20, 4, 3, 18, 16, 37, 34, 5]. 51 percent of accesses are in the largest equivalence class. The 1935 initializations are split as follows [3, 4, 3, 15, 1040, 480, 59, 32, 2, 1, 10, 120, 67, 0, 6, 0, 0, 0, 2, 4, 4, 0, 18, 5, 25, 34, 1]. The 37 writes are split as follows [0, 0, 0, 6, 0, 0, 0, 0, 5, 1, 2, 0, 0, 0, 6, 0, 2, 1, 0, 4, 0, 0, 0, 8, 0, 0, 2]. [2024-11-17 00:44:49,244 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:44:48" (1/1) ... [2024-11-17 00:44:49,245 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:44:48" (1/1) ... [2024-11-17 00:44:49,343 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:44:48" (1/1) ... [2024-11-17 00:44:49,350 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:44:48" (1/1) ... [2024-11-17 00:44:49,369 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:44:48" (1/1) ... [2024-11-17 00:44:49,386 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:44:48" (1/1) ... [2024-11-17 00:44:49,409 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 00:44:49,411 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 00:44:49,411 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 00:44:49,411 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 00:44:49,412 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:44:48" (1/1) ... [2024-11-17 00:44:49,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 00:44:49,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 00:44:49,456 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-17 00:44:49,458 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-17 00:44:49,501 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2024-11-17 00:44:49,501 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2024-11-17 00:44:49,501 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-17 00:44:49,501 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2024-11-17 00:44:49,502 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-17 00:44:49,502 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-17 00:44:49,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-17 00:44:49,502 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-17 00:44:49,502 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-17 00:44:49,502 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-17 00:44:49,502 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2024-11-17 00:44:49,502 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2024-11-17 00:44:49,502 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2024-11-17 00:44:49,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-17 00:44:49,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-17 00:44:49,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-17 00:44:49,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-17 00:44:49,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-17 00:44:49,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-17 00:44:49,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-17 00:44:49,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-17 00:44:49,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-17 00:44:49,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-17 00:44:49,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-17 00:44:49,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-17 00:44:49,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-17 00:44:49,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-17 00:44:49,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-17 00:44:49,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-17 00:44:49,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-17 00:44:49,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-17 00:44:49,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-17 00:44:49,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-17 00:44:49,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-17 00:44:49,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-11-17 00:44:49,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-11-17 00:44:49,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2024-11-17 00:44:49,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2024-11-17 00:44:49,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2024-11-17 00:44:49,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2024-11-17 00:44:49,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-17 00:44:49,511 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2024-11-17 00:44:49,511 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2024-11-17 00:44:49,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 00:44:49,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-17 00:44:49,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-17 00:44:49,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-17 00:44:49,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-17 00:44:49,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-17 00:44:49,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-17 00:44:49,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-17 00:44:49,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-17 00:44:49,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-17 00:44:49,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-17 00:44:49,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-17 00:44:49,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-17 00:44:49,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-17 00:44:49,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-17 00:44:49,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-17 00:44:49,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-17 00:44:49,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-17 00:44:49,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-17 00:44:49,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-17 00:44:49,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-17 00:44:49,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-11-17 00:44:49,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-11-17 00:44:49,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2024-11-17 00:44:49,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2024-11-17 00:44:49,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2024-11-17 00:44:49,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#25 [2024-11-17 00:44:49,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#26 [2024-11-17 00:44:49,516 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-17 00:44:49,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-17 00:44:49,517 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2024-11-17 00:44:49,517 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2024-11-17 00:44:49,517 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2024-11-17 00:44:49,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2024-11-17 00:44:49,517 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2024-11-17 00:44:49,517 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2024-11-17 00:44:49,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 00:44:49,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 00:44:49,517 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2024-11-17 00:44:49,517 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2024-11-17 00:44:49,518 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-17 00:44:49,518 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-17 00:44:49,518 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2024-11-17 00:44:49,518 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2024-11-17 00:44:49,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-17 00:44:49,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-17 00:44:49,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-17 00:44:49,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-17 00:44:49,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-17 00:44:49,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-17 00:44:49,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-17 00:44:49,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-17 00:44:49,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-17 00:44:49,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-17 00:44:49,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-17 00:44:49,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-17 00:44:49,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-17 00:44:49,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-17 00:44:49,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-17 00:44:49,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-17 00:44:49,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-17 00:44:49,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-17 00:44:49,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-17 00:44:49,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-17 00:44:49,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-17 00:44:49,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-11-17 00:44:49,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-11-17 00:44:49,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2024-11-17 00:44:49,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2024-11-17 00:44:49,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2024-11-17 00:44:49,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#25 [2024-11-17 00:44:49,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#26 [2024-11-17 00:44:49,523 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2024-11-17 00:44:49,524 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2024-11-17 00:44:49,524 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2024-11-17 00:44:49,525 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2024-11-17 00:44:49,525 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2024-11-17 00:44:49,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2024-11-17 00:44:49,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-17 00:44:49,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-17 00:44:49,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-17 00:44:49,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-17 00:44:49,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-17 00:44:49,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-17 00:44:49,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-17 00:44:49,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-17 00:44:49,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-17 00:44:49,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-17 00:44:49,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-17 00:44:49,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-17 00:44:49,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-17 00:44:49,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-17 00:44:49,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-17 00:44:49,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-17 00:44:49,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-17 00:44:49,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-17 00:44:49,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-17 00:44:49,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-11-17 00:44:49,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-11-17 00:44:49,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2024-11-17 00:44:49,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2024-11-17 00:44:49,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2024-11-17 00:44:49,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#24 [2024-11-17 00:44:49,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#25 [2024-11-17 00:44:49,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#26 [2024-11-17 00:44:49,528 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-17 00:44:49,528 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-17 00:44:49,528 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2024-11-17 00:44:49,528 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2024-11-17 00:44:49,529 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2024-11-17 00:44:49,529 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2024-11-17 00:44:49,529 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2024-11-17 00:44:49,529 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2024-11-17 00:44:49,529 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2024-11-17 00:44:49,531 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2024-11-17 00:44:49,531 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2024-11-17 00:44:49,531 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2024-11-17 00:44:49,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-17 00:44:49,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-17 00:44:49,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-17 00:44:49,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-17 00:44:49,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-17 00:44:49,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-17 00:44:49,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-17 00:44:49,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-17 00:44:49,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-17 00:44:49,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-17 00:44:49,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-17 00:44:49,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-17 00:44:49,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-17 00:44:49,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-17 00:44:49,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-17 00:44:49,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-17 00:44:49,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-17 00:44:49,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-17 00:44:49,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-17 00:44:49,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-17 00:44:49,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-17 00:44:49,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-11-17 00:44:49,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-11-17 00:44:49,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2024-11-17 00:44:49,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2024-11-17 00:44:49,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2024-11-17 00:44:49,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2024-11-17 00:44:49,537 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2024-11-17 00:44:49,537 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2024-11-17 00:44:49,537 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2024-11-17 00:44:49,537 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2024-11-17 00:44:49,538 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2024-11-17 00:44:49,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2024-11-17 00:44:49,538 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-11-17 00:44:49,538 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-11-17 00:44:49,538 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-17 00:44:49,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-17 00:44:49,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 00:44:49,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-17 00:44:49,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-17 00:44:49,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-17 00:44:49,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-17 00:44:49,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-17 00:44:49,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-17 00:44:49,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-17 00:44:49,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-17 00:44:49,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-17 00:44:49,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-17 00:44:49,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-17 00:44:49,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-17 00:44:49,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-17 00:44:49,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-17 00:44:49,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-17 00:44:49,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-17 00:44:49,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-17 00:44:49,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-17 00:44:49,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-17 00:44:49,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-17 00:44:49,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-11-17 00:44:49,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-11-17 00:44:49,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2024-11-17 00:44:49,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2024-11-17 00:44:49,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2024-11-17 00:44:49,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2024-11-17 00:44:49,998 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 00:44:50,002 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 00:44:50,241 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3245: havoc get_user_#t~nondet682#1; [2024-11-17 00:44:50,264 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1508: havoc #t~ret200; [2024-11-17 00:44:50,279 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1470: havoc #t~ret199#1; [2024-11-17 00:44:50,279 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3961: havoc inw_#t~nondet764#1; [2024-11-17 00:44:50,381 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3269: havoc copy_to_user_#t~nondet685#1; [2024-11-17 00:44:50,381 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3261: havoc put_user_#t~nondet684#1; [2024-11-17 00:44:50,548 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1705: havoc zf_open_#t~ret221#1; [2024-11-17 00:44:50,548 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4510: havoc test_and_set_bit_#t~bitwise806#1; [2024-11-17 00:44:54,481 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3504: havoc misc_register_#t~ret724#1; [2024-11-17 00:44:54,669 INFO L? ?]: Removed 650 outVars from TransFormulas that were not future-live. [2024-11-17 00:44:54,670 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 00:44:54,724 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 00:44:54,727 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 00:44:54,728 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 12:44:54 BoogieIcfgContainer [2024-11-17 00:44:54,728 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 00:44:54,730 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 00:44:54,731 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 00:44:54,734 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 00:44:54,734 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 12:44:47" (1/3) ... [2024-11-17 00:44:54,735 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b479ad6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 12:44:54, skipping insertion in model container [2024-11-17 00:44:54,735 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:44:48" (2/3) ... [2024-11-17 00:44:54,736 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b479ad6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 12:44:54, skipping insertion in model container [2024-11-17 00:44:54,736 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 12:44:54" (3/3) ... [2024-11-17 00:44:54,737 INFO L112 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_outl.i [2024-11-17 00:44:54,753 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 00:44:54,753 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 205 error locations. [2024-11-17 00:44:54,823 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 00:44:54,829 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, 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;@69beb3e8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 00:44:54,830 INFO L334 AbstractCegarLoop]: Starting to check reachability of 205 error locations. [2024-11-17 00:44:54,838 INFO L276 IsEmpty]: Start isEmpty. Operand has 716 states, 406 states have (on average 1.7586206896551724) internal successors, (714), 617 states have internal predecessors, (714), 78 states have call successors, (78), 26 states have call predecessors, (78), 26 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2024-11-17 00:44:54,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-17 00:44:54,846 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:44:54,847 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-17 00:44:54,848 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2024-11-17 00:44:54,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:44:54,854 INFO L85 PathProgramCache]: Analyzing trace with hash 949622911, now seen corresponding path program 1 times [2024-11-17 00:44:54,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 00:44:54,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242554700] [2024-11-17 00:44:54,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:44:54,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 00:44:57,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:44:58,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 00:44:58,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 00:44:58,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242554700] [2024-11-17 00:44:58,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242554700] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 00:44:58,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 00:44:58,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 00:44:58,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087012299] [2024-11-17 00:44:58,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 00:44:58,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 00:44:58,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 00:44:58,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 00:44:58,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 00:44:58,342 INFO L87 Difference]: Start difference. First operand has 716 states, 406 states have (on average 1.7586206896551724) internal successors, (714), 617 states have internal predecessors, (714), 78 states have call successors, (78), 26 states have call predecessors, (78), 26 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) Second operand has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 00:44:59,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:44:59,735 INFO L93 Difference]: Finished difference Result 1293 states and 1557 transitions. [2024-11-17 00:44:59,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 00:44:59,738 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-17 00:44:59,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:44:59,764 INFO L225 Difference]: With dead ends: 1293 [2024-11-17 00:44:59,765 INFO L226 Difference]: Without dead ends: 1287 [2024-11-17 00:44:59,766 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-17 00:44:59,771 INFO L432 NwaCegarLoop]: 726 mSDtfsCounter, 739 mSDsluCounter, 1717 mSDsCounter, 0 mSdLazyCounter, 1156 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 740 SdHoareTripleChecker+Valid, 2443 SdHoareTripleChecker+Invalid, 1160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-17 00:44:59,772 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [740 Valid, 2443 Invalid, 1160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1156 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-17 00:44:59,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1287 states. [2024-11-17 00:44:59,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1287 to 1073. [2024-11-17 00:44:59,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1073 states, 680 states have (on average 1.738235294117647) internal successors, (1182), 902 states have internal predecessors, (1182), 138 states have call successors, (138), 50 states have call predecessors, (138), 50 states have return successors, (138), 131 states have call predecessors, (138), 138 states have call successors, (138) [2024-11-17 00:44:59,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1073 states to 1073 states and 1458 transitions. [2024-11-17 00:44:59,900 INFO L78 Accepts]: Start accepts. Automaton has 1073 states and 1458 transitions. Word has length 5 [2024-11-17 00:44:59,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:44:59,900 INFO L471 AbstractCegarLoop]: Abstraction has 1073 states and 1458 transitions. [2024-11-17 00:44:59,900 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 00:44:59,900 INFO L276 IsEmpty]: Start isEmpty. Operand 1073 states and 1458 transitions. [2024-11-17 00:44:59,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-17 00:44:59,901 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:44:59,901 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-17 00:44:59,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 00:44:59,901 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting spin_lock_initErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2024-11-17 00:44:59,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:44:59,902 INFO L85 PathProgramCache]: Analyzing trace with hash 949622912, now seen corresponding path program 1 times [2024-11-17 00:44:59,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 00:44:59,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115915088] [2024-11-17 00:44:59,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:44:59,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 00:45:02,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:45:03,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 00:45:03,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 00:45:03,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115915088] [2024-11-17 00:45:03,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115915088] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 00:45:03,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 00:45:03,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 00:45:03,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997058868] [2024-11-17 00:45:03,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 00:45:03,309 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 00:45:03,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 00:45:03,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 00:45:03,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 00:45:03,310 INFO L87 Difference]: Start difference. First operand 1073 states and 1458 transitions. Second operand has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 00:45:04,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:45:04,442 INFO L93 Difference]: Finished difference Result 1216 states and 1564 transitions. [2024-11-17 00:45:04,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 00:45:04,443 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-17 00:45:04,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:45:04,453 INFO L225 Difference]: With dead ends: 1216 [2024-11-17 00:45:04,453 INFO L226 Difference]: Without dead ends: 1216 [2024-11-17 00:45:04,455 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-17 00:45:04,456 INFO L432 NwaCegarLoop]: 895 mSDtfsCounter, 286 mSDsluCounter, 1954 mSDsCounter, 0 mSdLazyCounter, 912 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 287 SdHoareTripleChecker+Valid, 2849 SdHoareTripleChecker+Invalid, 913 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 912 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-17 00:45:04,456 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [287 Valid, 2849 Invalid, 913 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 912 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-17 00:45:04,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1216 states. [2024-11-17 00:45:04,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1216 to 1156. [2024-11-17 00:45:04,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1156 states, 731 states have (on average 1.7031463748290014) internal successors, (1245), 954 states have internal predecessors, (1245), 157 states have call successors, (157), 63 states have call predecessors, (157), 63 states have return successors, (157), 150 states have call predecessors, (157), 157 states have call successors, (157) [2024-11-17 00:45:04,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 1156 states and 1559 transitions. [2024-11-17 00:45:04,508 INFO L78 Accepts]: Start accepts. Automaton has 1156 states and 1559 transitions. Word has length 5 [2024-11-17 00:45:04,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:45:04,508 INFO L471 AbstractCegarLoop]: Abstraction has 1156 states and 1559 transitions. [2024-11-17 00:45:04,508 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 00:45:04,509 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 1559 transitions. [2024-11-17 00:45:04,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-17 00:45:04,509 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:45:04,510 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:45:04,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-17 00:45:04,510 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr163REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2024-11-17 00:45:04,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:45:04,514 INFO L85 PathProgramCache]: Analyzing trace with hash 1319618072, now seen corresponding path program 1 times [2024-11-17 00:45:04,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 00:45:04,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100188013] [2024-11-17 00:45:04,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:45:04,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 00:45:06,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:45:07,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 00:45:07,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:45:07,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 00:45:07,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 00:45:07,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100188013] [2024-11-17 00:45:07,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100188013] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 00:45:07,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 00:45:07,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 00:45:07,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934629151] [2024-11-17 00:45:07,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 00:45:07,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 00:45:07,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 00:45:07,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 00:45:07,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 00:45:07,202 INFO L87 Difference]: Start difference. First operand 1156 states and 1559 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 00:45:08,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:45:08,660 INFO L93 Difference]: Finished difference Result 1383 states and 1672 transitions. [2024-11-17 00:45:08,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 00:45:08,661 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2024-11-17 00:45:08,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:45:08,667 INFO L225 Difference]: With dead ends: 1383 [2024-11-17 00:45:08,667 INFO L226 Difference]: Without dead ends: 1383 [2024-11-17 00:45:08,667 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 00:45:08,668 INFO L432 NwaCegarLoop]: 628 mSDtfsCounter, 889 mSDsluCounter, 900 mSDsCounter, 0 mSdLazyCounter, 924 mSolverCounterSat, 170 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 937 SdHoareTripleChecker+Valid, 1528 SdHoareTripleChecker+Invalid, 1094 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 170 IncrementalHoareTripleChecker+Valid, 924 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-17 00:45:08,669 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [937 Valid, 1528 Invalid, 1094 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [170 Valid, 924 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-17 00:45:08,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1383 states. [2024-11-17 00:45:08,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1383 to 1155. [2024-11-17 00:45:08,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1155 states, 731 states have (on average 1.6963064295485637) internal successors, (1240), 953 states have internal predecessors, (1240), 157 states have call successors, (157), 63 states have call predecessors, (157), 63 states have return successors, (157), 150 states have call predecessors, (157), 157 states have call successors, (157) [2024-11-17 00:45:08,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1155 states to 1155 states and 1554 transitions. [2024-11-17 00:45:08,713 INFO L78 Accepts]: Start accepts. Automaton has 1155 states and 1554 transitions. Word has length 12 [2024-11-17 00:45:08,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:45:08,713 INFO L471 AbstractCegarLoop]: Abstraction has 1155 states and 1554 transitions. [2024-11-17 00:45:08,714 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 00:45:08,714 INFO L276 IsEmpty]: Start isEmpty. Operand 1155 states and 1554 transitions. [2024-11-17 00:45:08,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-17 00:45:08,714 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:45:08,715 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:45:08,715 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-17 00:45:08,715 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr164REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2024-11-17 00:45:08,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:45:08,716 INFO L85 PathProgramCache]: Analyzing trace with hash 1319618073, now seen corresponding path program 1 times [2024-11-17 00:45:08,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 00:45:08,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795294549] [2024-11-17 00:45:08,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:45:08,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 00:45:10,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:45:11,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 00:45:11,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:45:11,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 00:45:11,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 00:45:11,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795294549] [2024-11-17 00:45:11,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795294549] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 00:45:11,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 00:45:11,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 00:45:11,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72047768] [2024-11-17 00:45:11,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 00:45:11,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 00:45:11,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 00:45:11,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 00:45:11,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-17 00:45:11,630 INFO L87 Difference]: Start difference. First operand 1155 states and 1554 transitions. Second operand has 5 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 00:45:12,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:45:12,993 INFO L93 Difference]: Finished difference Result 1242 states and 1597 transitions. [2024-11-17 00:45:12,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 00:45:12,994 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2024-11-17 00:45:12,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:45:13,000 INFO L225 Difference]: With dead ends: 1242 [2024-11-17 00:45:13,001 INFO L226 Difference]: Without dead ends: 1242 [2024-11-17 00:45:13,001 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-17 00:45:13,005 INFO L432 NwaCegarLoop]: 752 mSDtfsCounter, 418 mSDsluCounter, 1127 mSDsCounter, 0 mSdLazyCounter, 886 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 450 SdHoareTripleChecker+Valid, 1879 SdHoareTripleChecker+Invalid, 993 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 886 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-17 00:45:13,005 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [450 Valid, 1879 Invalid, 993 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 886 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-17 00:45:13,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1242 states. [2024-11-17 00:45:13,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1242 to 1160. [2024-11-17 00:45:13,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1160 states, 736 states have (on average 1.6915760869565217) internal successors, (1245), 958 states have internal predecessors, (1245), 157 states have call successors, (157), 63 states have call predecessors, (157), 63 states have return successors, (157), 150 states have call predecessors, (157), 157 states have call successors, (157) [2024-11-17 00:45:13,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1160 states to 1160 states and 1559 transitions. [2024-11-17 00:45:13,046 INFO L78 Accepts]: Start accepts. Automaton has 1160 states and 1559 transitions. Word has length 12 [2024-11-17 00:45:13,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:45:13,046 INFO L471 AbstractCegarLoop]: Abstraction has 1160 states and 1559 transitions. [2024-11-17 00:45:13,046 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 00:45:13,047 INFO L276 IsEmpty]: Start isEmpty. Operand 1160 states and 1559 transitions. [2024-11-17 00:45:13,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-17 00:45:13,047 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:45:13,047 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:45:13,048 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-17 00:45:13,049 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr164REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2024-11-17 00:45:13,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:45:13,050 INFO L85 PathProgramCache]: Analyzing trace with hash -1940318149, now seen corresponding path program 1 times [2024-11-17 00:45:13,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 00:45:13,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530883147] [2024-11-17 00:45:13,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:45:13,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 00:45:15,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:45:16,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 00:45:16,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:45:16,167 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 00:45:16,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 00:45:16,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530883147] [2024-11-17 00:45:16,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530883147] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 00:45:16,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2072083514] [2024-11-17 00:45:16,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:45:16,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 00:45:16,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 00:45:16,171 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 00:45:16,172 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-17 00:45:19,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:45:19,279 INFO L255 TraceCheckSpWp]: Trace formula consists of 5482 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-17 00:45:19,288 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 00:45:19,458 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 00:45:19,458 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 00:45:19,556 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 00:45:19,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2072083514] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 00:45:19,556 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 00:45:19,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 3, 4] total 12 [2024-11-17 00:45:19,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772241296] [2024-11-17 00:45:19,557 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 00:45:19,557 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-17 00:45:19,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 00:45:19,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-17 00:45:19,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-17 00:45:19,560 INFO L87 Difference]: Start difference. First operand 1160 states and 1559 transitions. Second operand has 13 states, 12 states have (on average 3.25) internal successors, (39), 12 states have internal predecessors, (39), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-17 00:45:22,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:45:22,736 INFO L93 Difference]: Finished difference Result 1468 states and 1847 transitions. [2024-11-17 00:45:22,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-17 00:45:22,737 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 3.25) internal successors, (39), 12 states have internal predecessors, (39), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 16 [2024-11-17 00:45:22,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:45:22,743 INFO L225 Difference]: With dead ends: 1468 [2024-11-17 00:45:22,743 INFO L226 Difference]: Without dead ends: 1468 [2024-11-17 00:45:22,744 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2024-11-17 00:45:22,745 INFO L432 NwaCegarLoop]: 761 mSDtfsCounter, 909 mSDsluCounter, 3751 mSDsCounter, 0 mSdLazyCounter, 3421 mSolverCounterSat, 263 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 940 SdHoareTripleChecker+Valid, 4512 SdHoareTripleChecker+Invalid, 3684 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 263 IncrementalHoareTripleChecker+Valid, 3421 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-17 00:45:22,745 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [940 Valid, 4512 Invalid, 3684 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [263 Valid, 3421 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-17 00:45:22,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1468 states. [2024-11-17 00:45:22,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1468 to 1318. [2024-11-17 00:45:22,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1318 states, 852 states have (on average 1.6772300469483568) internal successors, (1429), 1075 states have internal predecessors, (1429), 184 states have call successors, (184), 79 states have call predecessors, (184), 79 states have return successors, (184), 176 states have call predecessors, (184), 184 states have call successors, (184) [2024-11-17 00:45:22,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1318 states to 1318 states and 1797 transitions. [2024-11-17 00:45:22,781 INFO L78 Accepts]: Start accepts. Automaton has 1318 states and 1797 transitions. Word has length 16 [2024-11-17 00:45:22,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:45:22,781 INFO L471 AbstractCegarLoop]: Abstraction has 1318 states and 1797 transitions. [2024-11-17 00:45:22,781 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 3.25) internal successors, (39), 12 states have internal predecessors, (39), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-17 00:45:22,784 INFO L276 IsEmpty]: Start isEmpty. Operand 1318 states and 1797 transitions. [2024-11-17 00:45:22,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-17 00:45:22,785 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:45:22,785 INFO L215 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:45:22,817 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-17 00:45:22,986 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 00:45:22,986 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr161REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2024-11-17 00:45:22,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:45:22,987 INFO L85 PathProgramCache]: Analyzing trace with hash -1470175370, now seen corresponding path program 1 times [2024-11-17 00:45:22,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 00:45:22,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782893722] [2024-11-17 00:45:22,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:45:22,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 00:45:24,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:45:25,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 00:45:25,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:45:25,455 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 00:45:25,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 00:45:25,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782893722] [2024-11-17 00:45:25,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782893722] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 00:45:25,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1035552060] [2024-11-17 00:45:25,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:45:25,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 00:45:25,456 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 00:45:25,458 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 00:45:25,460 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-17 00:45:28,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:45:28,369 INFO L255 TraceCheckSpWp]: Trace formula consists of 5546 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 00:45:28,373 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 00:45:28,408 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 00:45:28,408 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 00:45:28,479 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 00:45:28,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1035552060] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 00:45:28,479 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 00:45:28,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 14 [2024-11-17 00:45:28,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755394927] [2024-11-17 00:45:28,480 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 00:45:28,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-17 00:45:28,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 00:45:28,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-17 00:45:28,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2024-11-17 00:45:28,481 INFO L87 Difference]: Start difference. First operand 1318 states and 1797 transitions. Second operand has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 13 states have internal predecessors, (54), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 00:45:29,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:45:29,169 INFO L93 Difference]: Finished difference Result 1366 states and 1851 transitions. [2024-11-17 00:45:29,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-17 00:45:29,169 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 13 states have internal predecessors, (54), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2024-11-17 00:45:29,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:45:29,174 INFO L225 Difference]: With dead ends: 1366 [2024-11-17 00:45:29,175 INFO L226 Difference]: Without dead ends: 1366 [2024-11-17 00:45:29,175 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2024-11-17 00:45:29,175 INFO L432 NwaCegarLoop]: 723 mSDtfsCounter, 169 mSDsluCounter, 3259 mSDsCounter, 0 mSdLazyCounter, 934 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 3982 SdHoareTripleChecker+Invalid, 1015 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 934 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-17 00:45:29,176 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 3982 Invalid, 1015 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 934 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-17 00:45:29,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1366 states. [2024-11-17 00:45:29,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1366 to 1342. [2024-11-17 00:45:29,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1342 states, 876 states have (on average 1.658675799086758) internal successors, (1453), 1099 states have internal predecessors, (1453), 184 states have call successors, (184), 79 states have call predecessors, (184), 79 states have return successors, (184), 176 states have call predecessors, (184), 184 states have call successors, (184) [2024-11-17 00:45:29,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1342 states to 1342 states and 1821 transitions. [2024-11-17 00:45:29,207 INFO L78 Accepts]: Start accepts. Automaton has 1342 states and 1821 transitions. Word has length 31 [2024-11-17 00:45:29,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:45:29,208 INFO L471 AbstractCegarLoop]: Abstraction has 1342 states and 1821 transitions. [2024-11-17 00:45:29,208 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 13 states have internal predecessors, (54), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 00:45:29,208 INFO L276 IsEmpty]: Start isEmpty. Operand 1342 states and 1821 transitions. [2024-11-17 00:45:29,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-17 00:45:29,209 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:45:29,209 INFO L215 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:45:29,240 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-17 00:45:29,410 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-17 00:45:29,410 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr161REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2024-11-17 00:45:29,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:45:29,411 INFO L85 PathProgramCache]: Analyzing trace with hash -1498620374, now seen corresponding path program 2 times [2024-11-17 00:45:29,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 00:45:29,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066725858] [2024-11-17 00:45:29,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:45:29,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 00:45:31,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:45:32,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 00:45:32,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:45:32,072 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-11-17 00:45:32,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 00:45:32,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066725858] [2024-11-17 00:45:32,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066725858] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 00:45:32,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 00:45:32,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 00:45:32,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395789581] [2024-11-17 00:45:32,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 00:45:32,074 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 00:45:32,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 00:45:32,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 00:45:32,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 00:45:32,075 INFO L87 Difference]: Start difference. First operand 1342 states and 1821 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 00:45:33,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:45:33,194 INFO L93 Difference]: Finished difference Result 1575 states and 1945 transitions. [2024-11-17 00:45:33,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 00:45:33,195 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 55 [2024-11-17 00:45:33,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:45:33,202 INFO L225 Difference]: With dead ends: 1575 [2024-11-17 00:45:33,202 INFO L226 Difference]: Without dead ends: 1575 [2024-11-17 00:45:33,203 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 00:45:33,204 INFO L432 NwaCegarLoop]: 635 mSDtfsCounter, 873 mSDsluCounter, 904 mSDsCounter, 0 mSdLazyCounter, 917 mSolverCounterSat, 174 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 921 SdHoareTripleChecker+Valid, 1539 SdHoareTripleChecker+Invalid, 1091 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 174 IncrementalHoareTripleChecker+Valid, 917 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-17 00:45:33,204 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [921 Valid, 1539 Invalid, 1091 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [174 Valid, 917 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-17 00:45:33,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1575 states. [2024-11-17 00:45:33,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1575 to 1340. [2024-11-17 00:45:33,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1340 states, 876 states have (on average 1.6484018264840183) internal successors, (1444), 1097 states have internal predecessors, (1444), 184 states have call successors, (184), 79 states have call predecessors, (184), 79 states have return successors, (184), 176 states have call predecessors, (184), 184 states have call successors, (184) [2024-11-17 00:45:33,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1340 states to 1340 states and 1812 transitions. [2024-11-17 00:45:33,238 INFO L78 Accepts]: Start accepts. Automaton has 1340 states and 1812 transitions. Word has length 55 [2024-11-17 00:45:33,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:45:33,241 INFO L471 AbstractCegarLoop]: Abstraction has 1340 states and 1812 transitions. [2024-11-17 00:45:33,241 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 00:45:33,241 INFO L276 IsEmpty]: Start isEmpty. Operand 1340 states and 1812 transitions. [2024-11-17 00:45:33,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-17 00:45:33,243 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:45:33,243 INFO L215 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:45:33,244 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-17 00:45:33,244 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr162REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2024-11-17 00:45:33,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:45:33,244 INFO L85 PathProgramCache]: Analyzing trace with hash -1498620373, now seen corresponding path program 1 times [2024-11-17 00:45:33,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 00:45:33,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251710333] [2024-11-17 00:45:33,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:45:33,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 00:45:35,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:45:36,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 00:45:36,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:45:36,164 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-11-17 00:45:36,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 00:45:36,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251710333] [2024-11-17 00:45:36,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251710333] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 00:45:36,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 00:45:36,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 00:45:36,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666800237] [2024-11-17 00:45:36,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 00:45:36,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 00:45:36,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 00:45:36,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 00:45:36,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-17 00:45:36,168 INFO L87 Difference]: Start difference. First operand 1340 states and 1812 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 00:45:37,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:45:37,246 INFO L93 Difference]: Finished difference Result 1421 states and 1855 transitions. [2024-11-17 00:45:37,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 00:45:37,246 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 55 [2024-11-17 00:45:37,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:45:37,252 INFO L225 Difference]: With dead ends: 1421 [2024-11-17 00:45:37,252 INFO L226 Difference]: Without dead ends: 1421 [2024-11-17 00:45:37,252 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-17 00:45:37,254 INFO L432 NwaCegarLoop]: 748 mSDtfsCounter, 386 mSDsluCounter, 1111 mSDsCounter, 0 mSdLazyCounter, 877 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 418 SdHoareTripleChecker+Valid, 1859 SdHoareTripleChecker+Invalid, 983 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 877 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-17 00:45:37,254 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [418 Valid, 1859 Invalid, 983 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 877 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-17 00:45:37,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1421 states. [2024-11-17 00:45:37,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1421 to 1338. [2024-11-17 00:45:37,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1338 states, 876 states have (on average 1.6461187214611872) internal successors, (1442), 1095 states have internal predecessors, (1442), 184 states have call successors, (184), 79 states have call predecessors, (184), 79 states have return successors, (184), 176 states have call predecessors, (184), 184 states have call successors, (184) [2024-11-17 00:45:37,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1338 states to 1338 states and 1810 transitions. [2024-11-17 00:45:37,286 INFO L78 Accepts]: Start accepts. Automaton has 1338 states and 1810 transitions. Word has length 55 [2024-11-17 00:45:37,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:45:37,286 INFO L471 AbstractCegarLoop]: Abstraction has 1338 states and 1810 transitions. [2024-11-17 00:45:37,286 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 00:45:37,286 INFO L276 IsEmpty]: Start isEmpty. Operand 1338 states and 1810 transitions. [2024-11-17 00:45:37,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-17 00:45:37,289 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:45:37,289 INFO L215 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 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] [2024-11-17 00:45:37,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-17 00:45:37,290 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr157REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2024-11-17 00:45:37,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:45:37,290 INFO L85 PathProgramCache]: Analyzing trace with hash 1645582464, now seen corresponding path program 1 times [2024-11-17 00:45:37,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 00:45:37,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270144656] [2024-11-17 00:45:37,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:45:37,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 00:45:39,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:45:39,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 00:45:39,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:45:39,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-17 00:45:39,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:45:39,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-17 00:45:39,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:45:39,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-17 00:45:39,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:45:39,899 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2024-11-17 00:45:39,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 00:45:39,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270144656] [2024-11-17 00:45:39,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270144656] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 00:45:39,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 00:45:39,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 00:45:39,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214223] [2024-11-17 00:45:39,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 00:45:39,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 00:45:39,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 00:45:39,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 00:45:39,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 00:45:39,903 INFO L87 Difference]: Start difference. First operand 1338 states and 1810 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 00:45:40,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:45:40,549 INFO L93 Difference]: Finished difference Result 1361 states and 1837 transitions. [2024-11-17 00:45:40,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 00:45:40,549 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 80 [2024-11-17 00:45:40,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:45:40,554 INFO L225 Difference]: With dead ends: 1361 [2024-11-17 00:45:40,554 INFO L226 Difference]: Without dead ends: 1361 [2024-11-17 00:45:40,555 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 00:45:40,555 INFO L432 NwaCegarLoop]: 719 mSDtfsCounter, 901 mSDsluCounter, 555 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 943 SdHoareTripleChecker+Valid, 1274 SdHoareTripleChecker+Invalid, 334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-17 00:45:40,555 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [943 Valid, 1274 Invalid, 334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-17 00:45:40,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1361 states. [2024-11-17 00:45:40,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1361 to 1337. [2024-11-17 00:45:40,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1337 states, 875 states have (on average 1.6445714285714286) internal successors, (1439), 1094 states have internal predecessors, (1439), 184 states have call successors, (184), 79 states have call predecessors, (184), 79 states have return successors, (184), 176 states have call predecessors, (184), 184 states have call successors, (184) [2024-11-17 00:45:40,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1337 states to 1337 states and 1807 transitions. [2024-11-17 00:45:40,585 INFO L78 Accepts]: Start accepts. Automaton has 1337 states and 1807 transitions. Word has length 80 [2024-11-17 00:45:40,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:45:40,585 INFO L471 AbstractCegarLoop]: Abstraction has 1337 states and 1807 transitions. [2024-11-17 00:45:40,586 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 00:45:40,586 INFO L276 IsEmpty]: Start isEmpty. Operand 1337 states and 1807 transitions. [2024-11-17 00:45:40,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-17 00:45:40,589 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:45:40,590 INFO L215 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:45:40,591 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-17 00:45:40,591 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr157REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2024-11-17 00:45:40,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:45:40,592 INFO L85 PathProgramCache]: Analyzing trace with hash 857798528, now seen corresponding path program 1 times [2024-11-17 00:45:40,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 00:45:40,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715396884] [2024-11-17 00:45:40,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:45:40,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 00:45:42,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:45:43,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 00:45:43,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:45:43,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-17 00:45:43,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:45:43,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-17 00:45:43,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:45:43,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-17 00:45:43,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:45:43,186 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2024-11-17 00:45:43,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 00:45:43,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715396884] [2024-11-17 00:45:43,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715396884] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 00:45:43,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 00:45:43,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 00:45:43,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044644568] [2024-11-17 00:45:43,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 00:45:43,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 00:45:43,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 00:45:43,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 00:45:43,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 00:45:43,188 INFO L87 Difference]: Start difference. First operand 1337 states and 1807 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 00:45:44,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:45:44,095 INFO L93 Difference]: Finished difference Result 1360 states and 1836 transitions. [2024-11-17 00:45:44,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 00:45:44,095 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 82 [2024-11-17 00:45:44,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:45:44,100 INFO L225 Difference]: With dead ends: 1360 [2024-11-17 00:45:44,100 INFO L226 Difference]: Without dead ends: 1360 [2024-11-17 00:45:44,101 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 00:45:44,101 INFO L432 NwaCegarLoop]: 723 mSDtfsCounter, 146 mSDsluCounter, 1049 mSDsCounter, 0 mSdLazyCounter, 549 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 1772 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 549 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-17 00:45:44,101 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 1772 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 549 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-17 00:45:44,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1360 states. [2024-11-17 00:45:44,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1360 to 1336. [2024-11-17 00:45:44,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1336 states, 875 states have (on average 1.6434285714285715) internal successors, (1438), 1093 states have internal predecessors, (1438), 184 states have call successors, (184), 79 states have call predecessors, (184), 79 states have return successors, (184), 176 states have call predecessors, (184), 184 states have call successors, (184) [2024-11-17 00:45:44,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1336 states to 1336 states and 1806 transitions. [2024-11-17 00:45:44,125 INFO L78 Accepts]: Start accepts. Automaton has 1336 states and 1806 transitions. Word has length 82 [2024-11-17 00:45:44,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:45:44,126 INFO L471 AbstractCegarLoop]: Abstraction has 1336 states and 1806 transitions. [2024-11-17 00:45:44,126 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 00:45:44,126 INFO L276 IsEmpty]: Start isEmpty. Operand 1336 states and 1806 transitions. [2024-11-17 00:45:44,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-17 00:45:44,128 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:45:44,128 INFO L215 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:45:44,128 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-17 00:45:44,128 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr158REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2024-11-17 00:45:44,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:45:44,129 INFO L85 PathProgramCache]: Analyzing trace with hash 857798529, now seen corresponding path program 1 times [2024-11-17 00:45:44,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 00:45:44,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677531540] [2024-11-17 00:45:44,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:45:44,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 00:45:46,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:45:47,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 00:45:47,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:45:47,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-17 00:45:47,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:45:47,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-17 00:45:47,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:45:47,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-17 00:45:47,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:45:47,055 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2024-11-17 00:45:47,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 00:45:47,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677531540] [2024-11-17 00:45:47,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677531540] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 00:45:47,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 00:45:47,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 00:45:47,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953032333] [2024-11-17 00:45:47,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 00:45:47,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 00:45:47,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 00:45:47,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 00:45:47,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 00:45:47,058 INFO L87 Difference]: Start difference. First operand 1336 states and 1806 transitions. Second operand has 5 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 00:45:47,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:45:47,947 INFO L93 Difference]: Finished difference Result 1359 states and 1835 transitions. [2024-11-17 00:45:47,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 00:45:47,948 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 82 [2024-11-17 00:45:47,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:45:47,952 INFO L225 Difference]: With dead ends: 1359 [2024-11-17 00:45:47,953 INFO L226 Difference]: Without dead ends: 1359 [2024-11-17 00:45:47,953 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-17 00:45:47,953 INFO L432 NwaCegarLoop]: 716 mSDtfsCounter, 896 mSDsluCounter, 1046 mSDsCounter, 0 mSdLazyCounter, 558 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 938 SdHoareTripleChecker+Valid, 1762 SdHoareTripleChecker+Invalid, 689 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 558 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-17 00:45:47,954 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [938 Valid, 1762 Invalid, 689 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 558 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-17 00:45:47,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1359 states. [2024-11-17 00:45:47,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1359 to 1335. [2024-11-17 00:45:47,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1335 states, 875 states have (on average 1.6422857142857143) internal successors, (1437), 1092 states have internal predecessors, (1437), 184 states have call successors, (184), 79 states have call predecessors, (184), 79 states have return successors, (184), 176 states have call predecessors, (184), 184 states have call successors, (184) [2024-11-17 00:45:47,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1335 states to 1335 states and 1805 transitions. [2024-11-17 00:45:47,976 INFO L78 Accepts]: Start accepts. Automaton has 1335 states and 1805 transitions. Word has length 82 [2024-11-17 00:45:47,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:45:47,977 INFO L471 AbstractCegarLoop]: Abstraction has 1335 states and 1805 transitions. [2024-11-17 00:45:47,977 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 00:45:47,977 INFO L276 IsEmpty]: Start isEmpty. Operand 1335 states and 1805 transitions. [2024-11-17 00:45:47,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-17 00:45:47,978 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:45:47,978 INFO L215 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 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] [2024-11-17 00:45:47,978 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-17 00:45:47,978 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2024-11-17 00:45:47,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:45:47,979 INFO L85 PathProgramCache]: Analyzing trace with hash 1374490187, now seen corresponding path program 1 times [2024-11-17 00:45:47,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 00:45:47,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215511205] [2024-11-17 00:45:47,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:45:47,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 00:45:49,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:45:50,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 00:45:50,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:45:50,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-17 00:45:50,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:45:50,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-17 00:45:50,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:45:50,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-17 00:45:50,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:45:50,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-17 00:45:50,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:45:50,179 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2024-11-17 00:45:50,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 00:45:50,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215511205] [2024-11-17 00:45:50,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215511205] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 00:45:50,180 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 00:45:50,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 00:45:50,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809921559] [2024-11-17 00:45:50,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 00:45:50,181 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 00:45:50,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 00:45:50,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 00:45:50,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 00:45:50,182 INFO L87 Difference]: Start difference. First operand 1335 states and 1805 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 00:45:50,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:45:50,981 INFO L93 Difference]: Finished difference Result 1401 states and 1845 transitions. [2024-11-17 00:45:50,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 00:45:50,982 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 88 [2024-11-17 00:45:50,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:45:50,986 INFO L225 Difference]: With dead ends: 1401 [2024-11-17 00:45:50,986 INFO L226 Difference]: Without dead ends: 1387 [2024-11-17 00:45:50,987 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 00:45:50,987 INFO L432 NwaCegarLoop]: 708 mSDtfsCounter, 240 mSDsluCounter, 999 mSDsCounter, 0 mSdLazyCounter, 631 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 1707 SdHoareTripleChecker+Invalid, 711 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 631 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-17 00:45:50,987 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 1707 Invalid, 711 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 631 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-17 00:45:50,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1387 states. [2024-11-17 00:45:51,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1387 to 1330. [2024-11-17 00:45:51,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1330 states, 872 states have (on average 1.643348623853211) internal successors, (1433), 1089 states have internal predecessors, (1433), 183 states have call successors, (183), 79 states have call predecessors, (183), 78 states have return successors, (181), 174 states have call predecessors, (181), 181 states have call successors, (181) [2024-11-17 00:45:51,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1330 states to 1330 states and 1797 transitions. [2024-11-17 00:45:51,013 INFO L78 Accepts]: Start accepts. Automaton has 1330 states and 1797 transitions. Word has length 88 [2024-11-17 00:45:51,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:45:51,014 INFO L471 AbstractCegarLoop]: Abstraction has 1330 states and 1797 transitions. [2024-11-17 00:45:51,014 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 00:45:51,014 INFO L276 IsEmpty]: Start isEmpty. Operand 1330 states and 1797 transitions. [2024-11-17 00:45:51,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-17 00:45:51,015 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:45:51,015 INFO L215 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 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] [2024-11-17 00:45:51,015 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-17 00:45:51,015 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2024-11-17 00:45:51,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:45:51,016 INFO L85 PathProgramCache]: Analyzing trace with hash -713730505, now seen corresponding path program 1 times [2024-11-17 00:45:51,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 00:45:51,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282044785] [2024-11-17 00:45:51,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:45:51,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 00:45:52,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:45:54,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 00:45:54,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:45:54,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-17 00:45:54,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:45:54,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-17 00:45:54,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:45:54,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-17 00:45:54,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:45:54,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-17 00:45:54,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:45:54,164 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2024-11-17 00:45:54,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 00:45:54,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282044785] [2024-11-17 00:45:54,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282044785] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 00:45:54,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [35557664] [2024-11-17 00:45:54,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:45:54,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 00:45:54,165 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 00:45:54,166 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 00:45:54,167 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-17 00:45:57,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:45:57,180 INFO L255 TraceCheckSpWp]: Trace formula consists of 5844 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-17 00:45:57,186 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 00:45:57,507 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-11-17 00:45:57,508 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 16 [2024-11-17 00:45:57,547 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2024-11-17 00:45:57,577 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2024-11-17 00:45:57,578 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 00:45:57,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [35557664] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 00:45:57,623 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 00:45:57,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4] total 9 [2024-11-17 00:45:57,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889952962] [2024-11-17 00:45:57,623 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 00:45:57,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-17 00:45:57,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 00:45:57,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-17 00:45:57,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-11-17 00:45:57,624 INFO L87 Difference]: Start difference. First operand 1330 states and 1797 transitions. Second operand has 10 states, 9 states have (on average 6.222222222222222) internal successors, (56), 7 states have internal predecessors, (56), 4 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-17 00:45:59,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:45:59,749 INFO L93 Difference]: Finished difference Result 1933 states and 2525 transitions. [2024-11-17 00:45:59,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-17 00:45:59,749 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.222222222222222) internal successors, (56), 7 states have internal predecessors, (56), 4 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 91 [2024-11-17 00:45:59,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:45:59,756 INFO L225 Difference]: With dead ends: 1933 [2024-11-17 00:45:59,756 INFO L226 Difference]: Without dead ends: 1933 [2024-11-17 00:45:59,757 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2024-11-17 00:45:59,757 INFO L432 NwaCegarLoop]: 594 mSDtfsCounter, 971 mSDsluCounter, 2958 mSDsCounter, 0 mSdLazyCounter, 3079 mSolverCounterSat, 175 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1025 SdHoareTripleChecker+Valid, 3552 SdHoareTripleChecker+Invalid, 3254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 175 IncrementalHoareTripleChecker+Valid, 3079 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-17 00:45:59,757 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1025 Valid, 3552 Invalid, 3254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [175 Valid, 3079 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-17 00:45:59,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1933 states. [2024-11-17 00:45:59,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1933 to 1676. [2024-11-17 00:45:59,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1676 states, 1139 states have (on average 1.6681299385425812) internal successors, (1900), 1367 states have internal predecessors, (1900), 241 states have call successors, (241), 101 states have call predecessors, (241), 100 states have return successors, (239), 225 states have call predecessors, (239), 239 states have call successors, (239) [2024-11-17 00:45:59,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1676 states to 1676 states and 2380 transitions. [2024-11-17 00:45:59,795 INFO L78 Accepts]: Start accepts. Automaton has 1676 states and 2380 transitions. Word has length 91 [2024-11-17 00:45:59,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:45:59,795 INFO L471 AbstractCegarLoop]: Abstraction has 1676 states and 2380 transitions. [2024-11-17 00:45:59,795 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.222222222222222) internal successors, (56), 7 states have internal predecessors, (56), 4 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-17 00:45:59,796 INFO L276 IsEmpty]: Start isEmpty. Operand 1676 states and 2380 transitions. [2024-11-17 00:45:59,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-17 00:45:59,796 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:45:59,797 INFO L215 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 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] [2024-11-17 00:45:59,829 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-17 00:45:59,997 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 00:45:59,997 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting spin_lock_initErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2024-11-17 00:45:59,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:45:59,998 INFO L85 PathProgramCache]: Analyzing trace with hash -713730504, now seen corresponding path program 1 times [2024-11-17 00:45:59,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 00:45:59,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289997762] [2024-11-17 00:45:59,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:45:59,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms