./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_af8bb850-5039-4a79-89ec-b691fd2611ed/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af8bb850-5039-4a79-89ec-b691fd2611ed/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_af8bb850-5039-4a79-89ec-b691fd2611ed/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af8bb850-5039-4a79-89ec-b691fd2611ed/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af8bb850-5039-4a79-89ec-b691fd2611ed/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_af8bb850-5039-4a79-89ec-b691fd2611ed/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 6e6f79eda5be95b806b33aaa2a353a360ae33a1e35cc1bf6f128d14768d932de --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:16:24,696 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:16:24,787 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af8bb850-5039-4a79-89ec-b691fd2611ed/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-31 22:16:24,796 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:16:24,797 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:16:24,850 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:16:24,850 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:16:24,851 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:16:24,851 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:16:24,852 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:16:24,852 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:16:24,852 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:16:24,853 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:16:24,854 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:16:24,854 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:16:24,855 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:16:24,855 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:16:24,855 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:16:24,856 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:16:24,856 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:16:24,856 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:16:24,857 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:16:24,857 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:16:24,858 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:16:24,858 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:16:24,858 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:16:24,859 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:16:24,859 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:16:24,860 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:16:24,860 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:16:24,860 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:16:24,861 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:16:24,861 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:16:24,861 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:16:24,862 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:16:24,871 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:16:24,872 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:16:24,872 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:16:24,872 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:16:24,872 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:16:24,873 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:16:24,873 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:16:24,873 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_af8bb850-5039-4a79-89ec-b691fd2611ed/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af8bb850-5039-4a79-89ec-b691fd2611ed/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e6f79eda5be95b806b33aaa2a353a360ae33a1e35cc1bf6f128d14768d932de [2024-10-31 22:16:25,203 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:16:25,240 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:16:25,243 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:16:25,244 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:16:25,245 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:16:25,247 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af8bb850-5039-4a79-89ec-b691fd2611ed/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i Unable to find full path for "g++" [2024-10-31 22:16:27,132 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:16:27,539 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:16:27,540 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af8bb850-5039-4a79-89ec-b691fd2611ed/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i [2024-10-31 22:16:27,578 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af8bb850-5039-4a79-89ec-b691fd2611ed/bin/uautomizer-verify-4GaUIPS5ZU/data/3dbeea02d/5d2122a11d9548ba9cb331198138b7d2/FLAG206ae98d7 [2024-10-31 22:16:27,609 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af8bb850-5039-4a79-89ec-b691fd2611ed/bin/uautomizer-verify-4GaUIPS5ZU/data/3dbeea02d/5d2122a11d9548ba9cb331198138b7d2 [2024-10-31 22:16:27,612 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:16:27,613 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:16:27,615 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:16:27,615 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:16:27,621 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:16:27,622 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:16:27" (1/1) ... [2024-10-31 22:16:27,624 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31e3bfa6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:27, skipping insertion in model container [2024-10-31 22:16:27,624 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:16:27" (1/1) ... [2024-10-31 22:16:27,714 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:16:28,019 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_af8bb850-5039-4a79-89ec-b691fd2611ed/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i[452,465] [2024-10-31 22:16:29,516 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:16:29,596 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:16:29,626 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_af8bb850-5039-4a79-89ec-b691fd2611ed/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i[452,465] [2024-10-31 22:16:29,939 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:16:30,138 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:16:30,139 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:30 WrapperNode [2024-10-31 22:16:30,139 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:16:30,140 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:16:30,140 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:16:30,141 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:16:30,148 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:30" (1/1) ... [2024-10-31 22:16:30,259 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:30" (1/1) ... [2024-10-31 22:16:30,472 INFO L138 Inliner]: procedures = 472, calls = 2680, calls flagged for inlining = 54, calls inlined = 38, statements flattened = 3394 [2024-10-31 22:16:30,472 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:16:30,473 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:16:30,473 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:16:30,474 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:16:30,487 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:30" (1/1) ... [2024-10-31 22:16:30,488 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:30" (1/1) ... [2024-10-31 22:16:30,524 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:30" (1/1) ... [2024-10-31 22:16:30,633 INFO L175 MemorySlicer]: Split 2037 memory accesses to 27 slices as follows [5, 3, 35, 1040, 12, 480, 59, 35, 11, 5, 16, 15, 2, 120, 67, 2, 2, 37, 20, 4, 3, 2, 0, 18, 5, 34, 5]. 51 percent of accesses are in the largest equivalence class. The 1935 initializations are split as follows [3, 3, 15, 1040, 6, 480, 59, 32, 2, 1, 5, 10, 0, 120, 67, 0, 2, 25, 4, 4, 0, 0, 0, 18, 4, 34, 1]. The 37 writes are split as follows [0, 0, 6, 0, 6, 0, 0, 0, 5, 1, 8, 2, 1, 0, 0, 2, 0, 0, 4, 0, 0, 0, 0, 0, 0, 0, 2]. [2024-10-31 22:16:30,633 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:30" (1/1) ... [2024-10-31 22:16:30,634 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:30" (1/1) ... [2024-10-31 22:16:30,717 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:30" (1/1) ... [2024-10-31 22:16:30,728 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:30" (1/1) ... [2024-10-31 22:16:30,752 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:30" (1/1) ... [2024-10-31 22:16:30,767 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:30" (1/1) ... [2024-10-31 22:16:30,800 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:16:30,803 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:16:30,803 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:16:30,804 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:16:30,804 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:30" (1/1) ... [2024-10-31 22:16:30,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:16:30,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af8bb850-5039-4a79-89ec-b691fd2611ed/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:16:30,839 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af8bb850-5039-4a79-89ec-b691fd2611ed/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:16:30,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af8bb850-5039-4a79-89ec-b691fd2611ed/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:16:30,873 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2024-10-31 22:16:30,873 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2024-10-31 22:16:30,873 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-31 22:16:30,873 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2024-10-31 22:16:30,874 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-10-31 22:16:30,874 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-10-31 22:16:30,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 22:16:30,875 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-10-31 22:16:30,876 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-10-31 22:16:30,876 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-31 22:16:30,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2024-10-31 22:16:30,877 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2024-10-31 22:16:30,877 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2024-10-31 22:16:30,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 22:16:30,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-31 22:16:30,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-31 22:16:30,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-31 22:16:30,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-31 22:16:30,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-31 22:16:30,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-31 22:16:30,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-31 22:16:30,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-31 22:16:30,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-31 22:16:30,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-31 22:16:30,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-31 22:16:30,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-10-31 22:16:30,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-10-31 22:16:30,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-10-31 22:16:30,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-10-31 22:16:30,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-10-31 22:16:30,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-10-31 22:16:30,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-10-31 22:16:30,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-10-31 22:16:30,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-10-31 22:16:30,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-10-31 22:16:30,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-10-31 22:16:30,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2024-10-31 22:16:30,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2024-10-31 22:16:30,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2024-10-31 22:16:30,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2024-10-31 22:16:30,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 22:16:30,882 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2024-10-31 22:16:30,882 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2024-10-31 22:16:30,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:16:30,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-31 22:16:30,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-31 22:16:30,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-31 22:16:30,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-31 22:16:30,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-31 22:16:30,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-31 22:16:30,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-31 22:16:30,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-31 22:16:30,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-31 22:16:30,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-10-31 22:16:30,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-10-31 22:16:30,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-10-31 22:16:30,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-10-31 22:16:30,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-10-31 22:16:30,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-10-31 22:16:30,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-10-31 22:16:30,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-10-31 22:16:30,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-10-31 22:16:30,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-10-31 22:16:30,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-10-31 22:16:30,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-10-31 22:16:30,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-10-31 22:16:30,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2024-10-31 22:16:30,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2024-10-31 22:16:30,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2024-10-31 22:16:30,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#25 [2024-10-31 22:16:30,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#26 [2024-10-31 22:16:30,888 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-10-31 22:16:30,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-10-31 22:16:30,889 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2024-10-31 22:16:30,889 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2024-10-31 22:16:30,889 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2024-10-31 22:16:30,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2024-10-31 22:16:30,889 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2024-10-31 22:16:30,889 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2024-10-31 22:16:30,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:16:30,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:16:30,890 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2024-10-31 22:16:30,890 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2024-10-31 22:16:30,890 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:16:30,890 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:16:30,890 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2024-10-31 22:16:30,890 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2024-10-31 22:16:30,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 22:16:30,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-31 22:16:30,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-31 22:16:30,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-31 22:16:30,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-31 22:16:30,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-31 22:16:30,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-31 22:16:30,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-31 22:16:30,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-31 22:16:30,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-31 22:16:30,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-10-31 22:16:30,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-10-31 22:16:30,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-10-31 22:16:30,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-10-31 22:16:30,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-10-31 22:16:30,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-10-31 22:16:30,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-10-31 22:16:30,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-10-31 22:16:30,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-10-31 22:16:30,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-10-31 22:16:30,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-10-31 22:16:30,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-10-31 22:16:30,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-10-31 22:16:30,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2024-10-31 22:16:30,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2024-10-31 22:16:30,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2024-10-31 22:16:30,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#25 [2024-10-31 22:16:30,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#26 [2024-10-31 22:16:30,896 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2024-10-31 22:16:30,896 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2024-10-31 22:16:30,896 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2024-10-31 22:16:30,896 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2024-10-31 22:16:30,897 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2024-10-31 22:16:30,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2024-10-31 22:16:30,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-31 22:16:30,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-31 22:16:30,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-31 22:16:30,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-31 22:16:30,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-31 22:16:30,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-31 22:16:30,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-31 22:16:30,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-10-31 22:16:30,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-10-31 22:16:30,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-10-31 22:16:30,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-10-31 22:16:30,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-10-31 22:16:30,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-10-31 22:16:30,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-10-31 22:16:30,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-10-31 22:16:30,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-10-31 22:16:30,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-10-31 22:16:30,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-10-31 22:16:30,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-10-31 22:16:30,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-10-31 22:16:30,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-10-31 22:16:30,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2024-10-31 22:16:30,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2024-10-31 22:16:30,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2024-10-31 22:16:30,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#24 [2024-10-31 22:16:30,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#25 [2024-10-31 22:16:30,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#26 [2024-10-31 22:16:30,903 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-10-31 22:16:30,903 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-10-31 22:16:30,903 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2024-10-31 22:16:30,903 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2024-10-31 22:16:30,903 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2024-10-31 22:16:30,903 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2024-10-31 22:16:30,903 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2024-10-31 22:16:30,903 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2024-10-31 22:16:30,903 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2024-10-31 22:16:30,904 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2024-10-31 22:16:30,904 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2024-10-31 22:16:30,904 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2024-10-31 22:16:30,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 22:16:30,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-31 22:16:30,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-31 22:16:30,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-31 22:16:30,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-31 22:16:30,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-31 22:16:30,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-31 22:16:30,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-31 22:16:30,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-31 22:16:30,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-31 22:16:30,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-31 22:16:30,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-31 22:16:30,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-10-31 22:16:30,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-10-31 22:16:30,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-10-31 22:16:30,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-10-31 22:16:30,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-10-31 22:16:30,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-10-31 22:16:30,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-10-31 22:16:30,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-10-31 22:16:30,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-10-31 22:16:30,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-10-31 22:16:30,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-10-31 22:16:30,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2024-10-31 22:16:30,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2024-10-31 22:16:30,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2024-10-31 22:16:30,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2024-10-31 22:16:30,909 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2024-10-31 22:16:30,909 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2024-10-31 22:16:30,910 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2024-10-31 22:16:30,910 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2024-10-31 22:16:30,910 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2024-10-31 22:16:30,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2024-10-31 22:16:30,910 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-10-31 22:16:30,910 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-10-31 22:16:30,910 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-10-31 22:16:30,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-10-31 22:16:30,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:16:30,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-31 22:16:30,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-31 22:16:30,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-31 22:16:30,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-31 22:16:30,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-31 22:16:30,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-31 22:16:30,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-31 22:16:30,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-31 22:16:30,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-31 22:16:30,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-31 22:16:30,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-31 22:16:30,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-10-31 22:16:30,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-10-31 22:16:30,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-10-31 22:16:30,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-10-31 22:16:30,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-10-31 22:16:30,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-10-31 22:16:30,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-10-31 22:16:30,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-10-31 22:16:30,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-10-31 22:16:30,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-10-31 22:16:30,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-10-31 22:16:30,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2024-10-31 22:16:30,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2024-10-31 22:16:30,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2024-10-31 22:16:30,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2024-10-31 22:16:31,469 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:16:31,472 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:16:38,406 INFO L? ?]: Removed 443 outVars from TransFormulas that were not future-live. [2024-10-31 22:16:38,406 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:16:38,430 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:16:38,430 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-10-31 22:16:38,431 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:16:38 BoogieIcfgContainer [2024-10-31 22:16:38,431 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:16:38,433 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:16:38,434 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:16:38,438 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:16:38,438 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:16:27" (1/3) ... [2024-10-31 22:16:38,439 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71dbc47e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:16:38, skipping insertion in model container [2024-10-31 22:16:38,440 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:30" (2/3) ... [2024-10-31 22:16:38,440 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71dbc47e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:16:38, skipping insertion in model container [2024-10-31 22:16:38,442 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:16:38" (3/3) ... [2024-10-31 22:16:38,443 INFO L112 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_inw.i [2024-10-31 22:16:38,468 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:16:38,468 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:16:38,573 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:16:38,582 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;@166b2d4b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:16:38,583 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:16:38,592 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 22:16:38,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-10-31 22:16:38,604 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:16:38,605 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] [2024-10-31 22:16:38,610 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting zf_readwErr0ASSERT_VIOLATIONERROR_FUNCTION === [zf_readwErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:16:38,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:16:38,618 INFO L85 PathProgramCache]: Analyzing trace with hash 412311238, now seen corresponding path program 1 times [2024-10-31 22:16:38,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:16:38,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285747662] [2024-10-31 22:16:38,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:16:38,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:16:42,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:42,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 22:16:42,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:42,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-31 22:16:42,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:42,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-31 22:16:42,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:42,630 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 22:16:42,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:16:42,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285747662] [2024-10-31 22:16:42,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285747662] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:16:42,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:16:42,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:16:42,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686522427] [2024-10-31 22:16:42,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:16:42,645 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:16:42,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:16:42,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:16:42,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:16:42,684 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 6.333333333333333) internal successors, (19), 2 states have internal predecessors, (19), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-31 22:16:43,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:16:43,839 INFO L93 Difference]: Finished difference Result 785 states and 1118 transitions. [2024-10-31 22:16:43,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:16:43,842 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 2 states have internal predecessors, (19), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 26 [2024-10-31 22:16:43,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:16:43,858 INFO L225 Difference]: With dead ends: 785 [2024-10-31 22:16:43,858 INFO L226 Difference]: Without dead ends: 390 [2024-10-31 22:16:43,866 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 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 22:16:43,870 INFO L432 NwaCegarLoop]: 449 mSDtfsCounter, 106 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 743 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:16:43,871 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 743 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-31 22:16:43,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2024-10-31 22:16:43,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 381. [2024-10-31 22:16:43,982 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 22:16:43,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 525 transitions. [2024-10-31 22:16:43,990 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 525 transitions. Word has length 26 [2024-10-31 22:16:43,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:16:43,991 INFO L471 AbstractCegarLoop]: Abstraction has 381 states and 525 transitions. [2024-10-31 22:16:43,991 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 2 states have internal predecessors, (19), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-31 22:16:43,991 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 525 transitions. [2024-10-31 22:16:43,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-10-31 22:16:43,993 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:16:43,993 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] [2024-10-31 22:16:43,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:16:43,994 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting zf_readwErr0ASSERT_VIOLATIONERROR_FUNCTION === [zf_readwErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:16:43,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:16:43,995 INFO L85 PathProgramCache]: Analyzing trace with hash 1654251578, now seen corresponding path program 1 times [2024-10-31 22:16:43,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:16:43,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604612622] [2024-10-31 22:16:43,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:16:43,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:16:46,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:47,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 22:16:47,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:47,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-31 22:16:47,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:47,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-31 22:16:47,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:47,261 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 22:16:47,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:16:47,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604612622] [2024-10-31 22:16:47,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604612622] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:16:47,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:16:47,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 22:16:47,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473340082] [2024-10-31 22:16:47,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:16:47,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:16:47,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:16:47,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:16:47,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:16:47,268 INFO L87 Difference]: Start difference. First operand 381 states and 525 transitions. Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-31 22:16:48,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:16:48,262 INFO L93 Difference]: Finished difference Result 769 states and 1060 transitions. [2024-10-31 22:16:48,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:16:48,264 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 26 [2024-10-31 22:16:48,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:16:48,268 INFO L225 Difference]: With dead ends: 769 [2024-10-31 22:16:48,268 INFO L226 Difference]: Without dead ends: 394 [2024-10-31 22:16:48,270 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 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 22:16:48,272 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 22:16:48,272 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 22:16:48,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2024-10-31 22:16:48,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 383. [2024-10-31 22:16:48,300 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 22:16:48,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 527 transitions. [2024-10-31 22:16:48,304 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 527 transitions. Word has length 26 [2024-10-31 22:16:48,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:16:48,305 INFO L471 AbstractCegarLoop]: Abstraction has 383 states and 527 transitions. [2024-10-31 22:16:48,305 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-31 22:16:48,305 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 527 transitions. [2024-10-31 22:16:48,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-10-31 22:16:48,306 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:16:48,306 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, 1, 1, 1] [2024-10-31 22:16:48,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 22:16:48,307 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting zf_readwErr0ASSERT_VIOLATIONERROR_FUNCTION === [zf_readwErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:16:48,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:16:48,309 INFO L85 PathProgramCache]: Analyzing trace with hash -768934922, now seen corresponding path program 1 times [2024-10-31 22:16:48,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:16:48,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792511530] [2024-10-31 22:16:48,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:16:48,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:16:50,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:51,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 22:16:51,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:51,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-31 22:16:51,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:51,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-31 22:16:51,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:51,409 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 22:16:51,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:16:51,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792511530] [2024-10-31 22:16:51,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792511530] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:16:51,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [329142415] [2024-10-31 22:16:51,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:16:51,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:16:51,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af8bb850-5039-4a79-89ec-b691fd2611ed/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:16:51,414 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af8bb850-5039-4a79-89ec-b691fd2611ed/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:16:51,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af8bb850-5039-4a79-89ec-b691fd2611ed/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-31 22:16:56,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:56,210 INFO L255 TraceCheckSpWp]: Trace formula consists of 5556 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-31 22:16:56,223 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:16:56,287 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 22:16:56,289 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:16:56,363 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 22:16:56,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [329142415] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:16:56,364 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:16:56,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 8 [2024-10-31 22:16:56,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241588710] [2024-10-31 22:16:56,365 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:16:56,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-31 22:16:56,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:16:56,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-31 22:16:56,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-10-31 22:16:56,367 INFO L87 Difference]: Start difference. First operand 383 states and 527 transitions. Second operand has 8 states, 8 states have (on average 4.375) internal successors, (35), 7 states have internal predecessors, (35), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)