./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb_p.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f66ff0f-aaf1-4c8f-8636-584674668bbf/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f66ff0f-aaf1-4c8f-8636-584674668bbf/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f66ff0f-aaf1-4c8f-8636-584674668bbf/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f66ff0f-aaf1-4c8f-8636-584674668bbf/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb_p.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f66ff0f-aaf1-4c8f-8636-584674668bbf/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f66ff0f-aaf1-4c8f-8636-584674668bbf/bin/uautomizer-verify-4GaUIPS5ZU --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 5d4ac8f9993fdd9a611524b9b9f0ae991f3672b4fa16738dbd64025282f00ca6 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 21:58:51,343 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 21:58:51,414 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f66ff0f-aaf1-4c8f-8636-584674668bbf/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-10-31 21:58:51,422 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 21:58:51,424 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 21:58:51,481 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 21:58:51,483 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 21:58:51,484 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 21:58:51,484 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 21:58:51,485 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 21:58:51,485 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 21:58:51,485 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 21:58:51,486 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 21:58:51,491 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 21:58:51,491 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 21:58:51,492 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 21:58:51,492 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 21:58:51,492 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 21:58:51,492 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 21:58:51,493 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 21:58:51,493 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-10-31 21:58:51,493 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-10-31 21:58:51,493 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-10-31 21:58:51,494 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 21:58:51,494 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-31 21:58:51,494 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 21:58:51,494 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 21:58:51,507 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 21:58:51,509 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 21:58:51,510 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 21:58:51,510 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 21:58:51,510 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 21:58:51,511 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 21:58:51,511 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:58:51,511 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 21:58:51,511 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 21:58:51,512 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 21:58:51,512 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 21:58:51,512 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 21:58:51,513 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 21:58:51,514 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 21:58:51,514 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 21:58:51,514 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f66ff0f-aaf1-4c8f-8636-584674668bbf/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f66ff0f-aaf1-4c8f-8636-584674668bbf/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5d4ac8f9993fdd9a611524b9b9f0ae991f3672b4fa16738dbd64025282f00ca6 [2024-10-31 21:58:51,904 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 21:58:51,943 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 21:58:51,946 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 21:58:51,948 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 21:58:51,949 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 21:58:51,950 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f66ff0f-aaf1-4c8f-8636-584674668bbf/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb_p.i Unable to find full path for "g++" [2024-10-31 21:58:53,958 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 21:58:54,393 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 21:58:54,394 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f66ff0f-aaf1-4c8f-8636-584674668bbf/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb_p.i [2024-10-31 21:58:54,429 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f66ff0f-aaf1-4c8f-8636-584674668bbf/bin/uautomizer-verify-4GaUIPS5ZU/data/013dcae75/639055ce07664f6689c953220be8d415/FLAG6fc9b0723 [2024-10-31 21:58:54,532 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f66ff0f-aaf1-4c8f-8636-584674668bbf/bin/uautomizer-verify-4GaUIPS5ZU/data/013dcae75/639055ce07664f6689c953220be8d415 [2024-10-31 21:58:54,535 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 21:58:54,538 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 21:58:54,539 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 21:58:54,540 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 21:58:54,546 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 21:58:54,547 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:58:54" (1/1) ... [2024-10-31 21:58:54,548 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57381d7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:54, skipping insertion in model container [2024-10-31 21:58:54,549 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:58:54" (1/1) ... [2024-10-31 21:58:54,648 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 21:58:56,030 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:58:56,070 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:58:56,095 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:58:56,167 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:58:56,203 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:58:56,204 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:58:56,281 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 21:58:56,577 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:58:56,771 INFO L204 MainTranslator]: Completed translation [2024-10-31 21:58:56,771 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:56 WrapperNode [2024-10-31 21:58:56,771 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 21:58:56,772 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 21:58:56,772 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 21:58:56,772 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 21:58:56,784 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:56" (1/1) ... [2024-10-31 21:58:56,865 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:56" (1/1) ... [2024-10-31 21:58:57,041 INFO L138 Inliner]: procedures = 472, calls = 2681, calls flagged for inlining = 55, calls inlined = 37, statements flattened = 3384 [2024-10-31 21:58:57,042 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 21:58:57,044 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 21:58:57,044 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 21:58:57,044 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 21:58:57,057 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:56" (1/1) ... [2024-10-31 21:58:57,057 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:56" (1/1) ... [2024-10-31 21:58:57,092 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:56" (1/1) ... [2024-10-31 21:58:57,177 INFO L175 MemorySlicer]: Split 2037 memory accesses to 27 slices as follows [5, 3, 35, 1040, 480, 59, 35, 11, 2, 5, 15, 120, 67, 16, 2, 12, 5, 2, 2, 37, 20, 4, 18, 34, 5, 3, 0]. 51 percent of accesses are in the largest equivalence class. The 1935 initializations are split as follows [3, 3, 15, 1040, 480, 59, 32, 2, 0, 1, 10, 120, 67, 5, 0, 6, 4, 2, 0, 25, 4, 4, 18, 34, 1, 0, 0]. The 37 writes are split as follows [0, 0, 6, 0, 0, 0, 0, 5, 1, 1, 2, 0, 0, 8, 2, 6, 0, 0, 0, 0, 4, 0, 0, 0, 2, 0, 0]. [2024-10-31 21:58:57,178 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:56" (1/1) ... [2024-10-31 21:58:57,178 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:56" (1/1) ... [2024-10-31 21:58:57,278 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:56" (1/1) ... [2024-10-31 21:58:57,295 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:56" (1/1) ... [2024-10-31 21:58:57,327 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:56" (1/1) ... [2024-10-31 21:58:57,341 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:56" (1/1) ... [2024-10-31 21:58:57,381 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 21:58:57,381 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 21:58:57,382 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 21:58:57,382 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 21:58:57,382 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:56" (1/1) ... [2024-10-31 21:58:57,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:58:57,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f66ff0f-aaf1-4c8f-8636-584674668bbf/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:57,418 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f66ff0f-aaf1-4c8f-8636-584674668bbf/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:57,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f66ff0f-aaf1-4c8f-8636-584674668bbf/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 21:58:57,456 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2024-10-31 21:58:57,456 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2024-10-31 21:58:57,456 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-31 21:58:57,457 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2024-10-31 21:58:57,458 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-10-31 21:58:57,458 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-10-31 21:58:57,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 21:58:57,458 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-10-31 21:58:57,458 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-10-31 21:58:57,458 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-31 21:58:57,458 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2024-10-31 21:58:57,458 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2024-10-31 21:58:57,458 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2024-10-31 21:58:57,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 21:58:57,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-31 21:58:57,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-31 21:58:57,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-31 21:58:57,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-31 21:58:57,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-31 21:58:57,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-31 21:58:57,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-31 21:58:57,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-31 21:58:57,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-31 21:58:57,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-31 21:58:57,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-31 21:58:57,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-10-31 21:58:57,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-10-31 21:58:57,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-10-31 21:58:57,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-10-31 21:58:57,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-10-31 21:58:57,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-10-31 21:58:57,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-10-31 21:58:57,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-10-31 21:58:57,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-10-31 21:58:57,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-10-31 21:58:57,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-10-31 21:58:57,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2024-10-31 21:58:57,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2024-10-31 21:58:57,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2024-10-31 21:58:57,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2024-10-31 21:58:57,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 21:58:57,463 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2024-10-31 21:58:57,463 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2024-10-31 21:58:57,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 21:58:57,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-31 21:58:57,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-31 21:58:57,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-31 21:58:57,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-31 21:58:57,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-31 21:58:57,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-31 21:58:57,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-31 21:58:57,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-31 21:58:57,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-31 21:58:57,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-10-31 21:58:57,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-10-31 21:58:57,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-10-31 21:58:57,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-10-31 21:58:57,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-10-31 21:58:57,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-10-31 21:58:57,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-10-31 21:58:57,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-10-31 21:58:57,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-10-31 21:58:57,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-10-31 21:58:57,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-10-31 21:58:57,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-10-31 21:58:57,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-10-31 21:58:57,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2024-10-31 21:58:57,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2024-10-31 21:58:57,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2024-10-31 21:58:57,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#25 [2024-10-31 21:58:57,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#26 [2024-10-31 21:58:57,469 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-10-31 21:58:57,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-10-31 21:58:57,470 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2024-10-31 21:58:57,470 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2024-10-31 21:58:57,470 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2024-10-31 21:58:57,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2024-10-31 21:58:57,470 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2024-10-31 21:58:57,470 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2024-10-31 21:58:57,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 21:58:57,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 21:58:57,471 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2024-10-31 21:58:57,471 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2024-10-31 21:58:57,471 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 21:58:57,472 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 21:58:57,472 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2024-10-31 21:58:57,472 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2024-10-31 21:58:57,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 21:58:57,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-31 21:58:57,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-31 21:58:57,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-31 21:58:57,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-31 21:58:57,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-31 21:58:57,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-31 21:58:57,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-31 21:58:57,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-31 21:58:57,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-31 21:58:57,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-10-31 21:58:57,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-10-31 21:58:57,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-10-31 21:58:57,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-10-31 21:58:57,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-10-31 21:58:57,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-10-31 21:58:57,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-10-31 21:58:57,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-10-31 21:58:57,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-10-31 21:58:57,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-10-31 21:58:57,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-10-31 21:58:57,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-10-31 21:58:57,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-10-31 21:58:57,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2024-10-31 21:58:57,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2024-10-31 21:58:57,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2024-10-31 21:58:57,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#25 [2024-10-31 21:58:57,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#26 [2024-10-31 21:58:57,477 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2024-10-31 21:58:57,477 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2024-10-31 21:58:57,477 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2024-10-31 21:58:57,477 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2024-10-31 21:58:57,478 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2024-10-31 21:58:57,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2024-10-31 21:58:57,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-31 21:58:57,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-31 21:58:57,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-31 21:58:57,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-31 21:58:57,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-31 21:58:57,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-31 21:58:57,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-31 21:58:57,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-10-31 21:58:57,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-10-31 21:58:57,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-10-31 21:58:57,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-10-31 21:58:57,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-10-31 21:58:57,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-10-31 21:58:57,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-10-31 21:58:57,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-10-31 21:58:57,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-10-31 21:58:57,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-10-31 21:58:57,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-10-31 21:58:57,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-10-31 21:58:57,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-10-31 21:58:57,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-10-31 21:58:57,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2024-10-31 21:58:57,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2024-10-31 21:58:57,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2024-10-31 21:58:57,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#24 [2024-10-31 21:58:57,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#25 [2024-10-31 21:58:57,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#26 [2024-10-31 21:58:57,484 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-10-31 21:58:57,484 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-10-31 21:58:57,484 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2024-10-31 21:58:57,484 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2024-10-31 21:58:57,484 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2024-10-31 21:58:57,484 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2024-10-31 21:58:57,484 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2024-10-31 21:58:57,484 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2024-10-31 21:58:57,485 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2024-10-31 21:58:57,485 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2024-10-31 21:58:57,485 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2024-10-31 21:58:57,485 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2024-10-31 21:58:57,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 21:58:57,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-31 21:58:57,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-31 21:58:57,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-31 21:58:57,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-31 21:58:57,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-31 21:58:57,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-31 21:58:57,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-31 21:58:57,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-31 21:58:57,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-31 21:58:57,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-31 21:58:57,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-31 21:58:57,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-10-31 21:58:57,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-10-31 21:58:57,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-10-31 21:58:57,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-10-31 21:58:57,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-10-31 21:58:57,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-10-31 21:58:57,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-10-31 21:58:57,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-10-31 21:58:57,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-10-31 21:58:57,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-10-31 21:58:57,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-10-31 21:58:57,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2024-10-31 21:58:57,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2024-10-31 21:58:57,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2024-10-31 21:58:57,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2024-10-31 21:58:57,491 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2024-10-31 21:58:57,491 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2024-10-31 21:58:57,491 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2024-10-31 21:58:57,491 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2024-10-31 21:58:57,491 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2024-10-31 21:58:57,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2024-10-31 21:58:57,491 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-10-31 21:58:57,491 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-10-31 21:58:57,492 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-10-31 21:58:57,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-10-31 21:58:57,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 21:58:57,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-31 21:58:57,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-31 21:58:57,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-31 21:58:57,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-31 21:58:57,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-31 21:58:57,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-31 21:58:57,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-31 21:58:57,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-31 21:58:57,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-31 21:58:57,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-31 21:58:57,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-31 21:58:57,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-10-31 21:58:57,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-10-31 21:58:57,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-10-31 21:58:57,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-10-31 21:58:57,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-10-31 21:58:57,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-10-31 21:58:57,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-10-31 21:58:57,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-10-31 21:58:57,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-10-31 21:58:57,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-10-31 21:58:57,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-10-31 21:58:57,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2024-10-31 21:58:57,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2024-10-31 21:58:57,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2024-10-31 21:58:57,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2024-10-31 21:58:58,064 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 21:58:58,067 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 21:59:05,536 INFO L? ?]: Removed 650 outVars from TransFormulas that were not future-live. [2024-10-31 21:59:05,536 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 21:59:05,584 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 21:59:05,584 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-10-31 21:59:05,584 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:59:05 BoogieIcfgContainer [2024-10-31 21:59:05,585 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 21:59:05,587 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 21:59:05,587 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 21:59:05,592 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 21:59:05,592 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 09:58:54" (1/3) ... [2024-10-31 21:59:05,593 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6db8530 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 09:59:05, skipping insertion in model container [2024-10-31 21:59:05,594 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:56" (2/3) ... [2024-10-31 21:59:05,595 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6db8530 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 09:59:05, skipping insertion in model container [2024-10-31 21:59:05,596 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:59:05" (3/3) ... [2024-10-31 21:59:05,597 INFO L112 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_outb_p.i [2024-10-31 21:59:05,618 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 21:59:05,618 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 205 error locations. [2024-10-31 21:59:05,703 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 21:59:05,714 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;@19d92218, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 21:59:05,714 INFO L334 AbstractCegarLoop]: Starting to check reachability of 205 error locations. [2024-10-31 21:59:05,721 INFO L276 IsEmpty]: Start isEmpty. Operand has 702 states, 392 states have (on average 1.7857142857142858) internal successors, (700), 603 states have internal predecessors, (700), 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) [2024-10-31 21:59:05,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-31 21:59:05,728 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:59:05,729 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-31 21:59:05,730 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2024-10-31 21:59:05,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:05,735 INFO L85 PathProgramCache]: Analyzing trace with hash 460813917, now seen corresponding path program 1 times [2024-10-31 21:59:05,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:05,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34940502] [2024-10-31 21:59:05,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:05,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:09,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:10,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:59:10,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:59:10,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34940502] [2024-10-31 21:59:10,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34940502] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:59:10,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:59:10,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 21:59:10,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682476527] [2024-10-31 21:59:10,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:59:10,615 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 21:59:10,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:59:10,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 21:59:10,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-31 21:59:10,655 INFO L87 Difference]: Start difference. First operand has 702 states, 392 states have (on average 1.7857142857142858) internal successors, (700), 603 states have internal predecessors, (700), 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) [2024-10-31 21:59:12,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:59:12,772 INFO L93 Difference]: Finished difference Result 1270 states and 1534 transitions. [2024-10-31 21:59:12,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 21:59:12,778 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 [2024-10-31 21:59:12,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:59:12,811 INFO L225 Difference]: With dead ends: 1270 [2024-10-31 21:59:12,811 INFO L226 Difference]: Without dead ends: 1266 [2024-10-31 21:59:12,816 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-31 21:59:12,819 INFO L432 NwaCegarLoop]: 771 mSDtfsCounter, 728 mSDsluCounter, 1797 mSDsCounter, 0 mSdLazyCounter, 1121 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 729 SdHoareTripleChecker+Valid, 2568 SdHoareTripleChecker+Invalid, 1125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-10-31 21:59:12,821 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [729 Valid, 2568 Invalid, 1125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1121 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-10-31 21:59:12,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1266 states. [2024-10-31 21:59:12,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1266 to 1053. [2024-10-31 21:59:12,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1053 states, 660 states have (on average 1.7606060606060605) internal successors, (1162), 882 states have internal predecessors, (1162), 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) [2024-10-31 21:59:12,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1053 states to 1053 states and 1438 transitions. [2024-10-31 21:59:12,942 INFO L78 Accepts]: Start accepts. Automaton has 1053 states and 1438 transitions. Word has length 5 [2024-10-31 21:59:12,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:59:12,943 INFO L471 AbstractCegarLoop]: Abstraction has 1053 states and 1438 transitions. [2024-10-31 21:59:12,943 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) [2024-10-31 21:59:12,943 INFO L276 IsEmpty]: Start isEmpty. Operand 1053 states and 1438 transitions. [2024-10-31 21:59:12,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-31 21:59:12,944 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:59:12,944 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-31 21:59:12,944 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 21:59:12,945 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2024-10-31 21:59:12,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:12,945 INFO L85 PathProgramCache]: Analyzing trace with hash 460813918, now seen corresponding path program 1 times [2024-10-31 21:59:12,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:12,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871312990] [2024-10-31 21:59:12,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:12,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:16,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:18,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:59:18,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:59:18,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871312990] [2024-10-31 21:59:18,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [871312990] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:59:18,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:59:18,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 21:59:18,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024419517] [2024-10-31 21:59:18,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:59:18,191 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 21:59:18,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:59:18,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 21:59:18,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-31 21:59:18,194 INFO L87 Difference]: Start difference. First operand 1053 states and 1438 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) [2024-10-31 21:59:19,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:59:19,813 INFO L93 Difference]: Finished difference Result 1193 states and 1541 transitions. [2024-10-31 21:59:19,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 21:59:19,814 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 [2024-10-31 21:59:19,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:59:19,823 INFO L225 Difference]: With dead ends: 1193 [2024-10-31 21:59:19,823 INFO L226 Difference]: Without dead ends: 1193 [2024-10-31 21:59:19,824 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-31 21:59:19,825 INFO L432 NwaCegarLoop]: 889 mSDtfsCounter, 281 mSDsluCounter, 1940 mSDsCounter, 0 mSdLazyCounter, 867 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 282 SdHoareTripleChecker+Valid, 2829 SdHoareTripleChecker+Invalid, 868 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 867 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-10-31 21:59:19,826 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [282 Valid, 2829 Invalid, 868 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 867 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-10-31 21:59:19,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1193 states. [2024-10-31 21:59:19,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1193 to 1134. [2024-10-31 21:59:19,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1134 states, 709 states have (on average 1.7249647390691114) internal successors, (1223), 932 states have internal predecessors, (1223), 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) [2024-10-31 21:59:19,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1134 states to 1134 states and 1537 transitions. [2024-10-31 21:59:19,902 INFO L78 Accepts]: Start accepts. Automaton has 1134 states and 1537 transitions. Word has length 5 [2024-10-31 21:59:19,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:59:19,903 INFO L471 AbstractCegarLoop]: Abstraction has 1134 states and 1537 transitions. [2024-10-31 21:59:19,903 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) [2024-10-31 21:59:19,904 INFO L276 IsEmpty]: Start isEmpty. Operand 1134 states and 1537 transitions. [2024-10-31 21:59:19,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-10-31 21:59:19,905 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:59:19,905 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:59:19,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 21:59:19,906 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2024-10-31 21:59:19,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:19,907 INFO L85 PathProgramCache]: Analyzing trace with hash -1849255734, now seen corresponding path program 1 times [2024-10-31 21:59:19,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:19,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437763801] [2024-10-31 21:59:19,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:19,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:22,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:23,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 21:59:23,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:23,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:59:23,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:59:23,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437763801] [2024-10-31 21:59:23,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437763801] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:59:23,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:59:23,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 21:59:23,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762194499] [2024-10-31 21:59:23,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:59:23,157 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 21:59:23,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:59:23,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 21:59:23,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 21:59:23,159 INFO L87 Difference]: Start difference. First operand 1134 states and 1537 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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)