./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3874dc-88d4-48e7-9022-93c2c12ec63a/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3874dc-88d4-48e7-9022-93c2c12ec63a/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_ea3874dc-88d4-48e7-9022-93c2c12ec63a/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3874dc-88d4-48e7-9022-93c2c12ec63a/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3874dc-88d4-48e7-9022-93c2c12ec63a/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3874dc-88d4-48e7-9022-93c2c12ec63a/bin/uautomizer-verify-4GaUIPS5ZU --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b9ba053a0d2bb5cff65ef20f502acdb8ce89a9e82653cf0711701cf2b8f86a02 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:03:49,232 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:03:49,339 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3874dc-88d4-48e7-9022-93c2c12ec63a/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-31 22:03:49,343 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:03:49,344 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:03:49,400 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:03:49,401 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:03:49,402 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:03:49,403 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:03:49,405 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:03:49,405 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:03:49,406 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:03:49,407 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:03:49,407 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:03:49,407 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:03:49,408 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:03:49,408 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:03:49,412 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:03:49,413 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:03:49,413 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:03:49,429 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:03:49,430 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:03:49,430 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:03:49,431 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:03:49,431 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:03:49,431 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:03:49,431 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:03:49,432 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:03:49,432 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:03:49,432 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:03:49,432 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:03:49,433 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:03:49,433 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:03:49,433 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:03:49,433 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:03:49,435 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:03:49,435 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:03:49,436 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:03:49,436 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:03:49,436 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:03:49,436 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:03:49,437 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:03:49,437 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_ea3874dc-88d4-48e7-9022-93c2c12ec63a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3874dc-88d4-48e7-9022-93c2c12ec63a/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b9ba053a0d2bb5cff65ef20f502acdb8ce89a9e82653cf0711701cf2b8f86a02 [2024-10-31 22:03:49,750 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:03:49,778 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:03:49,781 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:03:49,782 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:03:49,782 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:03:49,784 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3874dc-88d4-48e7-9022-93c2c12ec63a/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i Unable to find full path for "g++" [2024-10-31 22:03:51,759 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:03:52,300 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:03:52,302 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3874dc-88d4-48e7-9022-93c2c12ec63a/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i [2024-10-31 22:03:52,340 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3874dc-88d4-48e7-9022-93c2c12ec63a/bin/uautomizer-verify-4GaUIPS5ZU/data/6724ea751/f8c194dc00e742b1876be906423338b1/FLAGcbd309ecb [2024-10-31 22:03:52,368 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3874dc-88d4-48e7-9022-93c2c12ec63a/bin/uautomizer-verify-4GaUIPS5ZU/data/6724ea751/f8c194dc00e742b1876be906423338b1 [2024-10-31 22:03:52,371 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:03:52,373 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:03:52,374 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:03:52,374 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:03:52,380 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:03:52,381 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:03:52" (1/1) ... [2024-10-31 22:03:52,382 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7748c128 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:52, skipping insertion in model container [2024-10-31 22:03:52,382 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:03:52" (1/1) ... [2024-10-31 22:03:52,472 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:03:52,745 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3874dc-88d4-48e7-9022-93c2c12ec63a/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i[453,466] [2024-10-31 22:03:54,036 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:03:54,126 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:03:54,140 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3874dc-88d4-48e7-9022-93c2c12ec63a/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i[453,466] [2024-10-31 22:03:54,479 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:03:54,721 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:03:54,722 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:54 WrapperNode [2024-10-31 22:03:54,722 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:03:54,724 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:03:54,724 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:03:54,724 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:03:54,733 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:54" (1/1) ... [2024-10-31 22:03:54,855 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:54" (1/1) ... [2024-10-31 22:03:55,023 INFO L138 Inliner]: procedures = 472, calls = 2680, calls flagged for inlining = 54, calls inlined = 38, statements flattened = 3396 [2024-10-31 22:03:55,024 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:03:55,025 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:03:55,025 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:03:55,025 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:03:55,039 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:54" (1/1) ... [2024-10-31 22:03:55,039 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:54" (1/1) ... [2024-10-31 22:03:55,068 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:54" (1/1) ... [2024-10-31 22:03:55,229 INFO L175 MemorySlicer]: Split 2037 memory accesses to 27 slices as follows [5, 3, 12, 35, 1040, 480, 59, 35, 11, 5, 15, 120, 67, 37, 3, 2, 2, 2, 20, 5, 4, 0, 2, 18, 34, 5, 16]. 51 percent of accesses are in the largest equivalence class. The 1935 initializations are split as follows [3, 3, 6, 15, 1040, 480, 59, 32, 2, 1, 10, 120, 67, 25, 0, 0, 0, 2, 4, 4, 4, 0, 0, 18, 34, 1, 5]. The 37 writes are split as follows [0, 0, 6, 6, 0, 0, 0, 0, 5, 1, 2, 0, 0, 0, 0, 2, 1, 0, 4, 0, 0, 0, 0, 0, 0, 2, 8]. [2024-10-31 22:03:55,230 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:54" (1/1) ... [2024-10-31 22:03:55,230 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:54" (1/1) ... [2024-10-31 22:03:55,328 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:54" (1/1) ... [2024-10-31 22:03:55,346 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:54" (1/1) ... [2024-10-31 22:03:55,371 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:54" (1/1) ... [2024-10-31 22:03:55,383 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:54" (1/1) ... [2024-10-31 22:03:55,416 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:03:55,417 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:03:55,418 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:03:55,418 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:03:55,420 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:54" (1/1) ... [2024-10-31 22:03:55,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:03:55,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3874dc-88d4-48e7-9022-93c2c12ec63a/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:03:55,458 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3874dc-88d4-48e7-9022-93c2c12ec63a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:03:55,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3874dc-88d4-48e7-9022-93c2c12ec63a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:03:55,492 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2024-10-31 22:03:55,492 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2024-10-31 22:03:55,492 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-31 22:03:55,493 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2024-10-31 22:03:55,493 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-10-31 22:03:55,493 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-10-31 22:03:55,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 22:03:55,495 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-10-31 22:03:55,495 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-10-31 22:03:55,495 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-31 22:03:55,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2024-10-31 22:03:55,495 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2024-10-31 22:03:55,496 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2024-10-31 22:03:55,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 22:03:55,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-31 22:03:55,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-31 22:03:55,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-31 22:03:55,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-31 22:03:55,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-31 22:03:55,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-31 22:03:55,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-31 22:03:55,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-31 22:03:55,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-31 22:03:55,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-31 22:03:55,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-31 22:03:55,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-10-31 22:03:55,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-10-31 22:03:55,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-10-31 22:03:55,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-10-31 22:03:55,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-10-31 22:03:55,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-10-31 22:03:55,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-10-31 22:03:55,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-10-31 22:03:55,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-10-31 22:03:55,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-10-31 22:03:55,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-10-31 22:03:55,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2024-10-31 22:03:55,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2024-10-31 22:03:55,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2024-10-31 22:03:55,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2024-10-31 22:03:55,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 22:03:55,502 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2024-10-31 22:03:55,502 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2024-10-31 22:03:55,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:03:55,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-31 22:03:55,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-31 22:03:55,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-31 22:03:55,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-31 22:03:55,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-31 22:03:55,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-31 22:03:55,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-31 22:03:55,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-31 22:03:55,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-31 22:03:55,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-10-31 22:03:55,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-10-31 22:03:55,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-10-31 22:03:55,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-10-31 22:03:55,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-10-31 22:03:55,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-10-31 22:03:55,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-10-31 22:03:55,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-10-31 22:03:55,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-10-31 22:03:55,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-10-31 22:03:55,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-10-31 22:03:55,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-10-31 22:03:55,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-10-31 22:03:55,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2024-10-31 22:03:55,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2024-10-31 22:03:55,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2024-10-31 22:03:55,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#25 [2024-10-31 22:03:55,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#26 [2024-10-31 22:03:55,509 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-10-31 22:03:55,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-10-31 22:03:55,510 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2024-10-31 22:03:55,510 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2024-10-31 22:03:55,510 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2024-10-31 22:03:55,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2024-10-31 22:03:55,510 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2024-10-31 22:03:55,510 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2024-10-31 22:03:55,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:03:55,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:03:55,510 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2024-10-31 22:03:55,511 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2024-10-31 22:03:55,511 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:03:55,511 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:03:55,511 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2024-10-31 22:03:55,511 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2024-10-31 22:03:55,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 22:03:55,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-31 22:03:55,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-31 22:03:55,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-31 22:03:55,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-31 22:03:55,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-31 22:03:55,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-31 22:03:55,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-31 22:03:55,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-31 22:03:55,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-31 22:03:55,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-10-31 22:03:55,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-10-31 22:03:55,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-10-31 22:03:55,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-10-31 22:03:55,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-10-31 22:03:55,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-10-31 22:03:55,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-10-31 22:03:55,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-10-31 22:03:55,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-10-31 22:03:55,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-10-31 22:03:55,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-10-31 22:03:55,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-10-31 22:03:55,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-10-31 22:03:55,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2024-10-31 22:03:55,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2024-10-31 22:03:55,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2024-10-31 22:03:55,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#25 [2024-10-31 22:03:55,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#26 [2024-10-31 22:03:55,515 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2024-10-31 22:03:55,515 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2024-10-31 22:03:55,515 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2024-10-31 22:03:55,515 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2024-10-31 22:03:55,516 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2024-10-31 22:03:55,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2024-10-31 22:03:55,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-31 22:03:55,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-31 22:03:55,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-31 22:03:55,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-31 22:03:55,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-31 22:03:55,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-31 22:03:55,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-31 22:03:55,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-10-31 22:03:55,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-10-31 22:03:55,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-10-31 22:03:55,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-10-31 22:03:55,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-10-31 22:03:55,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-10-31 22:03:55,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-10-31 22:03:55,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-10-31 22:03:55,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-10-31 22:03:55,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-10-31 22:03:55,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-10-31 22:03:55,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-10-31 22:03:55,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-10-31 22:03:55,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-10-31 22:03:55,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2024-10-31 22:03:55,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2024-10-31 22:03:55,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2024-10-31 22:03:55,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#24 [2024-10-31 22:03:55,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#25 [2024-10-31 22:03:55,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#26 [2024-10-31 22:03:55,522 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-10-31 22:03:55,523 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-10-31 22:03:55,523 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2024-10-31 22:03:55,523 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2024-10-31 22:03:55,523 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2024-10-31 22:03:55,523 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2024-10-31 22:03:55,523 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2024-10-31 22:03:55,523 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2024-10-31 22:03:55,523 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2024-10-31 22:03:55,523 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2024-10-31 22:03:55,524 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2024-10-31 22:03:55,524 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2024-10-31 22:03:55,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 22:03:55,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-31 22:03:55,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-31 22:03:55,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-31 22:03:55,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-31 22:03:55,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-31 22:03:55,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-31 22:03:55,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-31 22:03:55,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-31 22:03:55,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-31 22:03:55,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-31 22:03:55,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-31 22:03:55,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-10-31 22:03:55,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-10-31 22:03:55,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-10-31 22:03:55,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-10-31 22:03:55,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-10-31 22:03:55,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-10-31 22:03:55,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-10-31 22:03:55,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-10-31 22:03:55,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-10-31 22:03:55,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-10-31 22:03:55,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-10-31 22:03:55,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2024-10-31 22:03:55,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2024-10-31 22:03:55,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2024-10-31 22:03:55,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2024-10-31 22:03:55,529 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2024-10-31 22:03:55,529 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2024-10-31 22:03:55,529 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2024-10-31 22:03:55,529 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2024-10-31 22:03:55,529 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2024-10-31 22:03:55,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2024-10-31 22:03:55,529 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-10-31 22:03:55,530 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-10-31 22:03:55,530 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-10-31 22:03:55,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-10-31 22:03:55,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:03:55,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-31 22:03:55,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-31 22:03:55,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-31 22:03:55,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-31 22:03:55,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-31 22:03:55,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-31 22:03:55,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-31 22:03:55,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-31 22:03:55,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-31 22:03:55,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-31 22:03:55,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-31 22:03:55,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-10-31 22:03:55,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-10-31 22:03:55,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-10-31 22:03:55,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-10-31 22:03:55,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-10-31 22:03:55,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-10-31 22:03:55,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-10-31 22:03:55,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-10-31 22:03:55,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-10-31 22:03:55,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-10-31 22:03:55,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-10-31 22:03:55,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2024-10-31 22:03:55,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2024-10-31 22:03:55,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2024-10-31 22:03:55,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2024-10-31 22:03:56,107 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:03:56,110 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:04:02,591 INFO L? ?]: Removed 443 outVars from TransFormulas that were not future-live. [2024-10-31 22:04:02,591 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:04:02,609 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:04:02,609 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-10-31 22:04:02,610 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:04:02 BoogieIcfgContainer [2024-10-31 22:04:02,610 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:04:02,615 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:04:02,615 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:04:02,619 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:04:02,619 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:03:52" (1/3) ... [2024-10-31 22:04:02,620 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11c29bb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:04:02, skipping insertion in model container [2024-10-31 22:04:02,620 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:54" (2/3) ... [2024-10-31 22:04:02,620 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11c29bb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:04:02, skipping insertion in model container [2024-10-31 22:04:02,621 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:04:02" (3/3) ... [2024-10-31 22:04:02,622 INFO L112 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_outb.i [2024-10-31 22:04:02,640 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:04:02,641 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:04:02,739 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:04:02,745 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@73ae4747, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:04:02,745 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:04:02,750 INFO L276 IsEmpty]: Start isEmpty. Operand has 391 states, 285 states have (on average 1.368421052631579) internal successors, (390), 292 states have internal predecessors, (390), 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 22:04:02,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-10-31 22:04:02,756 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:04:02,756 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:04:02,757 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outbErr0ASSERT_VIOLATIONERROR_FUNCTION === [outbErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:04:02,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:04:02,762 INFO L85 PathProgramCache]: Analyzing trace with hash -1946804868, now seen corresponding path program 1 times [2024-10-31 22:04:02,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:04:02,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964799730] [2024-10-31 22:04:02,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:04:02,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:04:06,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:04:06,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 22:04:06,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:04:06,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-31 22:04:06,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:04:06,590 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 22:04:06,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:04:06,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964799730] [2024-10-31 22:04:06,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964799730] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:04:06,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:04:06,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:04:06,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432140731] [2024-10-31 22:04:06,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:04:06,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:04:06,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:04:06,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:04:06,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:04:06,630 INFO L87 Difference]: Start difference. First operand has 391 states, 285 states have (on average 1.368421052631579) internal successors, (390), 292 states have internal predecessors, (390), 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 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-31 22:04:07,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:04:07,566 INFO L93 Difference]: Finished difference Result 785 states and 1134 transitions. [2024-10-31 22:04:07,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:04:07,571 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 23 [2024-10-31 22:04:07,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:04:07,591 INFO L225 Difference]: With dead ends: 785 [2024-10-31 22:04:07,591 INFO L226 Difference]: Without dead ends: 390 [2024-10-31 22:04:07,602 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:04:07,606 INFO L432 NwaCegarLoop]: 449 mSDtfsCounter, 106 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 743 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-31 22:04:07,608 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 743 Invalid, 220 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [74 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-31 22:04:07,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2024-10-31 22:04:07,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 381. [2024-10-31 22:04:07,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 278 states have (on average 1.3453237410071943) internal successors, (374), 285 states have internal predecessors, (374), 76 states have call successors, (76), 26 states have call predecessors, (76), 26 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2024-10-31 22:04:07,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 525 transitions. [2024-10-31 22:04:07,690 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 525 transitions. Word has length 23 [2024-10-31 22:04:07,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:04:07,691 INFO L471 AbstractCegarLoop]: Abstraction has 381 states and 525 transitions. [2024-10-31 22:04:07,691 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-31 22:04:07,691 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 525 transitions. [2024-10-31 22:04:07,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-10-31 22:04:07,695 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:04:07,695 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:04:07,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:04:07,695 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outbErr0ASSERT_VIOLATIONERROR_FUNCTION === [outbErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:04:07,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:04:07,696 INFO L85 PathProgramCache]: Analyzing trace with hash -145215352, now seen corresponding path program 1 times [2024-10-31 22:04:07,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:04:07,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350982379] [2024-10-31 22:04:07,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:04:07,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:04:10,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:04:11,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 22:04:11,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:04:11,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-31 22:04:11,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:04:11,573 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 22:04:11,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:04:11,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350982379] [2024-10-31 22:04:11,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350982379] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:04:11,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:04:11,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 22:04:11,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727231091] [2024-10-31 22:04:11,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:04:11,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:04:11,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:04:11,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:04:11,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:04:11,580 INFO L87 Difference]: Start difference. First operand 381 states and 525 transitions. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-31 22:04:12,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:04:12,541 INFO L93 Difference]: Finished difference Result 769 states and 1060 transitions. [2024-10-31 22:04:12,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:04:12,541 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 23 [2024-10-31 22:04:12,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:04:12,545 INFO L225 Difference]: With dead ends: 769 [2024-10-31 22:04:12,545 INFO L226 Difference]: Without dead ends: 394 [2024-10-31 22:04:12,547 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:04:12,548 INFO L432 NwaCegarLoop]: 432 mSDtfsCounter, 108 mSDsluCounter, 668 mSDsCounter, 0 mSdLazyCounter, 288 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 1100 SdHoareTripleChecker+Invalid, 362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-31 22:04:12,549 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 1100 Invalid, 362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 288 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-31 22:04:12,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2024-10-31 22:04:12,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 383. [2024-10-31 22:04:12,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 280 states have (on average 1.3428571428571427) internal successors, (376), 287 states have internal predecessors, (376), 76 states have call successors, (76), 26 states have call predecessors, (76), 26 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2024-10-31 22:04:12,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 527 transitions. [2024-10-31 22:04:12,593 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 527 transitions. Word has length 23 [2024-10-31 22:04:12,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:04:12,594 INFO L471 AbstractCegarLoop]: Abstraction has 383 states and 527 transitions. [2024-10-31 22:04:12,594 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-31 22:04:12,594 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 527 transitions. [2024-10-31 22:04:12,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-10-31 22:04:12,595 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:04:12,599 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:04:12,599 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 22:04:12,599 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outbErr0ASSERT_VIOLATIONERROR_FUNCTION === [outbErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:04:12,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:04:12,600 INFO L85 PathProgramCache]: Analyzing trace with hash -1277751732, now seen corresponding path program 1 times [2024-10-31 22:04:12,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:04:12,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541743178] [2024-10-31 22:04:12,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:04:12,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:04:15,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:04:16,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 22:04:16,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:04:16,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-31 22:04:16,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:04:16,809 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-31 22:04:16,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:04:16,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541743178] [2024-10-31 22:04:16,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541743178] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:04:16,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [604670896] [2024-10-31 22:04:16,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:04:16,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:04:16,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3874dc-88d4-48e7-9022-93c2c12ec63a/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:04:16,814 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3874dc-88d4-48e7-9022-93c2c12ec63a/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:04:16,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3874dc-88d4-48e7-9022-93c2c12ec63a/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-31 22:04:21,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:04:21,244 INFO L255 TraceCheckSpWp]: Trace formula consists of 5550 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-31 22:04:21,256 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:04:21,306 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-31 22:04:21,309 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:04:21,376 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-31 22:04:21,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [604670896] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:04:21,383 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:04:21,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 8 [2024-10-31 22:04:21,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136379738] [2024-10-31 22:04:21,384 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:04:21,384 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-31 22:04:21,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:04:21,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-31 22:04:21,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-10-31 22:04:21,386 INFO L87 Difference]: Start difference. First operand 383 states and 527 transitions. Second operand has 8 states, 8 states have (on average 3.875) internal successors, (31), 7 states have internal predecessors, (31), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3)