./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--phantom.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91a42e99-1fed-48c4-a965-d628098b2211/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91a42e99-1fed-48c4-a965-d628098b2211/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91a42e99-1fed-48c4-a965-d628098b2211/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91a42e99-1fed-48c4-a965-d628098b2211/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--phantom.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91a42e99-1fed-48c4-a965-d628098b2211/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91a42e99-1fed-48c4-a965-d628098b2211/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3d54ec533bcab354bf7ab20b9139a2cc0ce3cf7423a4c806e696ce4b9d5812e9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 13:22:44,803 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 13:22:44,854 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91a42e99-1fed-48c4-a965-d628098b2211/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-02 13:22:44,858 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 13:22:44,858 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 13:22:44,877 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 13:22:44,878 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 13:22:44,878 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 13:22:44,878 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 13:22:44,878 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 13:22:44,878 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 13:22:44,878 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 13:22:44,879 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 13:22:44,879 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 13:22:44,879 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 13:22:44,879 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 13:22:44,879 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 13:22:44,879 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 13:22:44,879 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 13:22:44,879 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 13:22:44,879 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 13:22:44,880 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 13:22:44,880 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 13:22:44,880 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 13:22:44,880 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 13:22:44,880 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 13:22:44,880 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:22:44,880 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:22:44,880 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:22:44,880 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:22:44,880 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 13:22:44,881 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:22:44,881 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:22:44,881 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:22:44,881 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:22:44,881 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 13:22:44,881 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 13:22:44,881 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 13:22:44,881 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 13:22:44,881 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 13:22:44,881 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 13:22:44,881 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 13:22:44,882 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 13:22:44,882 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 13:22:44,882 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 13:22:44,882 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_91a42e99-1fed-48c4-a965-d628098b2211/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d54ec533bcab354bf7ab20b9139a2cc0ce3cf7423a4c806e696ce4b9d5812e9 [2024-12-02 13:22:45,078 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 13:22:45,084 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 13:22:45,086 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 13:22:45,087 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 13:22:45,088 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 13:22:45,089 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91a42e99-1fed-48c4-a965-d628098b2211/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--phantom.ko-main.cil.out.i [2024-12-02 13:22:47,735 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91a42e99-1fed-48c4-a965-d628098b2211/bin/uautomizer-verify-84ZbGMXZE1/data/477c68264/a05116bd7907424c9c2e1ffe05a2946a/FLAG39e640232 [2024-12-02 13:22:48,079 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 13:22:48,080 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91a42e99-1fed-48c4-a965-d628098b2211/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--phantom.ko-main.cil.out.i [2024-12-02 13:22:48,107 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91a42e99-1fed-48c4-a965-d628098b2211/bin/uautomizer-verify-84ZbGMXZE1/data/477c68264/a05116bd7907424c9c2e1ffe05a2946a/FLAG39e640232 [2024-12-02 13:22:48,121 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91a42e99-1fed-48c4-a965-d628098b2211/bin/uautomizer-verify-84ZbGMXZE1/data/477c68264/a05116bd7907424c9c2e1ffe05a2946a [2024-12-02 13:22:48,123 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 13:22:48,125 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 13:22:48,126 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 13:22:48,126 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 13:22:48,130 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 13:22:48,131 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:22:48" (1/1) ... [2024-12-02 13:22:48,132 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d45afad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:22:48, skipping insertion in model container [2024-12-02 13:22:48,132 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:22:48" (1/1) ... [2024-12-02 13:22:48,187 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 13:22:48,877 WARN L250 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_91a42e99-1fed-48c4-a965-d628098b2211/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--phantom.ko-main.cil.out.i[129019,129032] [2024-12-02 13:22:48,960 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:22:48,980 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 13:22:49,068 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; incl %0": "+m" (v->counter)); [3103] [2024-12-02 13:22:49,150 WARN L250 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_91a42e99-1fed-48c4-a965-d628098b2211/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--phantom.ko-main.cil.out.i[129019,129032] [2024-12-02 13:22:49,166 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:22:49,210 INFO L204 MainTranslator]: Completed translation [2024-12-02 13:22:49,210 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:22:49 WrapperNode [2024-12-02 13:22:49,210 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 13:22:49,211 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 13:22:49,211 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 13:22:49,211 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 13:22:49,217 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:22:49" (1/1) ... [2024-12-02 13:22:49,247 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:22:49" (1/1) ... [2024-12-02 13:22:49,304 INFO L138 Inliner]: procedures = 175, calls = 882, calls flagged for inlining = 78, calls inlined = 65, statements flattened = 1619 [2024-12-02 13:22:49,304 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 13:22:49,304 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 13:22:49,304 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 13:22:49,305 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 13:22:49,313 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:22:49" (1/1) ... [2024-12-02 13:22:49,314 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:22:49" (1/1) ... [2024-12-02 13:22:49,351 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:22:49" (1/1) ... [2024-12-02 13:22:49,450 INFO L175 MemorySlicer]: Split 410 memory accesses to 22 slices as follows [2, 2, 56, 12, 18, 3, 8, 28, 42, 108, 1, 2, 4, 8, 49, 2, 1, 2, 8, 8, 38, 8]. 26 percent of accesses are in the largest equivalence class. The 130 initializations are split as follows [2, 0, 56, 8, 0, 0, 8, 0, 0, 0, 0, 1, 0, 8, 0, 0, 0, 0, 8, 8, 23, 8]. The 190 writes are split as follows [0, 0, 0, 3, 18, 1, 0, 28, 42, 41, 0, 0, 0, 0, 42, 0, 0, 0, 0, 0, 15, 0]. [2024-12-02 13:22:49,450 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:22:49" (1/1) ... [2024-12-02 13:22:49,451 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:22:49" (1/1) ... [2024-12-02 13:22:49,504 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:22:49" (1/1) ... [2024-12-02 13:22:49,508 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:22:49" (1/1) ... [2024-12-02 13:22:49,519 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:22:49" (1/1) ... [2024-12-02 13:22:49,534 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:22:49" (1/1) ... [2024-12-02 13:22:49,542 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:22:49" (1/1) ... [2024-12-02 13:22:49,557 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 13:22:49,558 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 13:22:49,558 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 13:22:49,558 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 13:22:49,559 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:22:49" (1/1) ... [2024-12-02 13:22:49,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:22:49,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91a42e99-1fed-48c4-a965-d628098b2211/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:22:49,588 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91a42e99-1fed-48c4-a965-d628098b2211/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 13:22:49,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91a42e99-1fed-48c4-a965-d628098b2211/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 13:22:49,613 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2024-12-02 13:22:49,613 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2024-12-02 13:22:49,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-02 13:22:49,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-02 13:22:49,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-02 13:22:49,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-02 13:22:49,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-02 13:22:49,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-12-02 13:22:49,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-12-02 13:22:49,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-12-02 13:22:49,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-12-02 13:22:49,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-12-02 13:22:49,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-12-02 13:22:49,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-12-02 13:22:49,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-12-02 13:22:49,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-12-02 13:22:49,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-12-02 13:22:49,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-12-02 13:22:49,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-12-02 13:22:49,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-12-02 13:22:49,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-12-02 13:22:49,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-12-02 13:22:49,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-12-02 13:22:49,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-12-02 13:22:49,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-12-02 13:22:49,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-12-02 13:22:49,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-12-02 13:22:49,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-12-02 13:22:49,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-12-02 13:22:49,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-12-02 13:22:49,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-12-02 13:22:49,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-12-02 13:22:49,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-12-02 13:22:49,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-12-02 13:22:49,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-12-02 13:22:49,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-12-02 13:22:49,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-12-02 13:22:49,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-12-02 13:22:49,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-12-02 13:22:49,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-12-02 13:22:49,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-12-02 13:22:49,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-12-02 13:22:49,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-12-02 13:22:49,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2024-12-02 13:22:49,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#20 [2024-12-02 13:22:49,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#21 [2024-12-02 13:22:49,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-02 13:22:49,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-02 13:22:49,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-02 13:22:49,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-02 13:22:49,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-02 13:22:49,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-12-02 13:22:49,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-12-02 13:22:49,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-12-02 13:22:49,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-12-02 13:22:49,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-12-02 13:22:49,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-12-02 13:22:49,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-12-02 13:22:49,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-12-02 13:22:49,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-12-02 13:22:49,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-12-02 13:22:49,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-12-02 13:22:49,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-12-02 13:22:49,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-12-02 13:22:49,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-12-02 13:22:49,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-12-02 13:22:49,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-12-02 13:22:49,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-12-02 13:22:49,619 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-12-02 13:22:49,619 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-12-02 13:22:49,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 13:22:49,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 13:22:49,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 13:22:49,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 13:22:49,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 13:22:49,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 13:22:49,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 13:22:49,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-02 13:22:49,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-12-02 13:22:49,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-12-02 13:22:49,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-12-02 13:22:49,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-12-02 13:22:49,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-12-02 13:22:49,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-12-02 13:22:49,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-12-02 13:22:49,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-12-02 13:22:49,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-12-02 13:22:49,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-12-02 13:22:49,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-12-02 13:22:49,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-12-02 13:22:49,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-12-02 13:22:49,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-12-02 13:22:49,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-12-02 13:22:49,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-12-02 13:22:49,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-12-02 13:22:49,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-12-02 13:22:49,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-12-02 13:22:49,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-12-02 13:22:49,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-12-02 13:22:49,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-12-02 13:22:49,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-12-02 13:22:49,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-12-02 13:22:49,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-12-02 13:22:49,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-12-02 13:22:49,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-12-02 13:22:49,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-12-02 13:22:49,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2024-12-02 13:22:49,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2024-12-02 13:22:49,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2024-12-02 13:22:49,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2024-12-02 13:22:49,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2024-12-02 13:22:49,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#19 [2024-12-02 13:22:49,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#20 [2024-12-02 13:22:49,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#21 [2024-12-02 13:22:49,621 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-12-02 13:22:49,621 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-12-02 13:22:49,621 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-12-02 13:22:49,621 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-12-02 13:22:49,621 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-12-02 13:22:49,621 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-12-02 13:22:49,621 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-12-02 13:22:49,621 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-12-02 13:22:49,621 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-12-02 13:22:49,621 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-12-02 13:22:49,621 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-12-02 13:22:49,621 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-12-02 13:22:49,621 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-12-02 13:22:49,621 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-12-02 13:22:49,622 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2024-12-02 13:22:49,622 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2024-12-02 13:22:49,622 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2024-12-02 13:22:49,622 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2024-12-02 13:22:49,622 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2024-12-02 13:22:49,622 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#19 [2024-12-02 13:22:49,622 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#20 [2024-12-02 13:22:49,622 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#21 [2024-12-02 13:22:49,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-12-02 13:22:49,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-12-02 13:22:49,622 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-12-02 13:22:49,622 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-12-02 13:22:49,622 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-12-02 13:22:49,622 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-12-02 13:22:49,622 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2024-12-02 13:22:49,622 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2024-12-02 13:22:49,622 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2024-12-02 13:22:49,622 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2024-12-02 13:22:49,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 13:22:49,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 13:22:49,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 13:22:49,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 13:22:49,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 13:22:49,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 13:22:49,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 13:22:49,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-02 13:22:49,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-12-02 13:22:49,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-12-02 13:22:49,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-12-02 13:22:49,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-12-02 13:22:49,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-12-02 13:22:49,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-12-02 13:22:49,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-12-02 13:22:49,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-12-02 13:22:49,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-12-02 13:22:49,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-12-02 13:22:49,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-12-02 13:22:49,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-12-02 13:22:49,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-12-02 13:22:49,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-12-02 13:22:49,624 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-12-02 13:22:49,624 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-12-02 13:22:49,624 INFO L130 BoogieDeclarations]: Found specification of procedure class_remove_file [2024-12-02 13:22:49,624 INFO L138 BoogieDeclarations]: Found implementation of procedure class_remove_file [2024-12-02 13:22:49,624 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-12-02 13:22:49,624 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-12-02 13:22:49,624 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2024-12-02 13:22:49,624 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2024-12-02 13:22:49,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-12-02 13:22:49,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-12-02 13:22:49,624 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2024-12-02 13:22:49,624 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2024-12-02 13:22:49,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_open_lock_of_phantom_device [2024-12-02 13:22:49,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_open_lock_of_phantom_device [2024-12-02 13:22:49,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-12-02 13:22:49,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-12-02 13:22:49,624 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2024-12-02 13:22:49,624 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2024-12-02 13:22:49,625 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2024-12-02 13:22:49,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2024-12-02 13:22:49,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 13:22:49,625 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-12-02 13:22:49,625 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-12-02 13:22:49,625 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-12-02 13:22:49,625 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-12-02 13:22:49,625 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2024-12-02 13:22:49,625 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2024-12-02 13:22:49,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 13:22:49,625 INFO L130 BoogieDeclarations]: Found specification of procedure phantom_status [2024-12-02 13:22:49,625 INFO L138 BoogieDeclarations]: Found implementation of procedure phantom_status [2024-12-02 13:22:49,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 13:22:49,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 13:22:49,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 13:22:49,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-02 13:22:49,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-02 13:22:49,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-02 13:22:49,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-12-02 13:22:49,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-12-02 13:22:49,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-12-02 13:22:49,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-12-02 13:22:49,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-12-02 13:22:49,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-12-02 13:22:49,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-12-02 13:22:49,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-12-02 13:22:49,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-12-02 13:22:49,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-12-02 13:22:49,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-12-02 13:22:49,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-12-02 13:22:49,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-12-02 13:22:49,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-12-02 13:22:49,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-12-02 13:22:49,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-12-02 13:22:49,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 13:22:49,626 INFO L130 BoogieDeclarations]: Found specification of procedure phantom_remove [2024-12-02 13:22:49,626 INFO L138 BoogieDeclarations]: Found implementation of procedure phantom_remove [2024-12-02 13:22:49,626 INFO L130 BoogieDeclarations]: Found specification of procedure phantom_poll [2024-12-02 13:22:49,626 INFO L138 BoogieDeclarations]: Found implementation of procedure phantom_poll [2024-12-02 13:22:49,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 13:22:49,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 13:22:49,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 13:22:49,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-02 13:22:49,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-02 13:22:49,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-02 13:22:49,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-12-02 13:22:49,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-12-02 13:22:49,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-12-02 13:22:49,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-12-02 13:22:49,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-12-02 13:22:49,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-12-02 13:22:49,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-12-02 13:22:49,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-12-02 13:22:49,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-12-02 13:22:49,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-12-02 13:22:49,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-12-02 13:22:49,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-12-02 13:22:49,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-12-02 13:22:49,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-12-02 13:22:49,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-12-02 13:22:49,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-12-02 13:22:49,627 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2024-12-02 13:22:49,627 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2024-12-02 13:22:49,627 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2024-12-02 13:22:49,627 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2024-12-02 13:22:49,628 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-12-02 13:22:49,628 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-12-02 13:22:49,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 13:22:49,628 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2024-12-02 13:22:49,628 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2024-12-02 13:22:49,628 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2024-12-02 13:22:49,628 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2024-12-02 13:22:49,628 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-12-02 13:22:49,628 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-12-02 13:22:49,628 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-12-02 13:22:49,628 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-12-02 13:22:49,628 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2024-12-02 13:22:49,628 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2024-12-02 13:22:49,628 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2024-12-02 13:22:49,628 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2024-12-02 13:22:49,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 13:22:49,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 13:22:49,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 13:22:49,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 13:22:49,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 13:22:49,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 13:22:49,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 13:22:49,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-02 13:22:49,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-12-02 13:22:49,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-12-02 13:22:49,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-12-02 13:22:49,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-12-02 13:22:49,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-12-02 13:22:49,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-12-02 13:22:49,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-12-02 13:22:49,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-12-02 13:22:49,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-12-02 13:22:49,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-12-02 13:22:49,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-12-02 13:22:49,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-12-02 13:22:49,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-12-02 13:22:49,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-12-02 13:22:49,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-12-02 13:22:49,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-12-02 13:22:49,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-12-02 13:22:49,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-12-02 13:22:49,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-12-02 13:22:49,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-12-02 13:22:49,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-12-02 13:22:49,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-12-02 13:22:49,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-12-02 13:22:49,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-12-02 13:22:49,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-12-02 13:22:49,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-12-02 13:22:49,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-12-02 13:22:49,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-12-02 13:22:49,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-12-02 13:22:49,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-12-02 13:22:49,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-12-02 13:22:49,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-12-02 13:22:49,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-12-02 13:22:49,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2024-12-02 13:22:49,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#20 [2024-12-02 13:22:49,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#21 [2024-12-02 13:22:49,630 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2024-12-02 13:22:49,630 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2024-12-02 13:22:49,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 13:22:49,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 13:22:49,631 INFO L130 BoogieDeclarations]: Found specification of procedure phantom_ioctl [2024-12-02 13:22:49,631 INFO L138 BoogieDeclarations]: Found implementation of procedure phantom_ioctl [2024-12-02 13:22:49,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_phantom_mutex [2024-12-02 13:22:49,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_phantom_mutex [2024-12-02 13:22:49,631 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-12-02 13:22:49,631 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-12-02 13:22:50,149 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 13:22:50,151 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 13:22:56,872 INFO L? ?]: Removed 1082 outVars from TransFormulas that were not future-live. [2024-12-02 13:22:56,872 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 13:22:56,909 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 13:22:56,909 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-02 13:22:56,909 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:22:56 BoogieIcfgContainer [2024-12-02 13:22:56,909 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 13:22:56,912 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 13:22:56,912 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 13:22:56,915 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 13:22:56,916 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:22:48" (1/3) ... [2024-12-02 13:22:56,916 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18b7878b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:22:56, skipping insertion in model container [2024-12-02 13:22:56,916 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:22:49" (2/3) ... [2024-12-02 13:22:56,917 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18b7878b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:22:56, skipping insertion in model container [2024-12-02 13:22:56,917 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:22:56" (3/3) ... [2024-12-02 13:22:56,918 INFO L128 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--misc--phantom.ko-main.cil.out.i [2024-12-02 13:22:56,928 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 13:22:56,931 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 32_7a_cilled_linux-3.8-rc1-drivers--misc--phantom.ko-main.cil.out.i that has 59 procedures, 785 locations, 1 initial locations, 44 loop locations, and 1 error locations. [2024-12-02 13:22:56,987 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 13:22:56,997 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;@3238264e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 13:22:56,997 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 13:22:57,002 INFO L276 IsEmpty]: Start isEmpty. Operand has 680 states, 487 states have (on average 1.3347022587268993) internal successors, (650), 512 states have internal predecessors, (650), 154 states have call successors, (154), 37 states have call predecessors, (154), 37 states have return successors, (154), 152 states have call predecessors, (154), 154 states have call successors, (154) [2024-12-02 13:22:57,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-02 13:22:57,007 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:22:57,007 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:22:57,007 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:22:57,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:22:57,011 INFO L85 PathProgramCache]: Analyzing trace with hash 1944159067, now seen corresponding path program 1 times [2024-12-02 13:22:57,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:22:57,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204206336] [2024-12-02 13:22:57,017 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:22:57,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:22:58,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:22:58,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 13:22:58,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:22:58,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204206336] [2024-12-02 13:22:58,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204206336] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:22:58,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:22:58,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:22:58,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937510878] [2024-12-02 13:22:58,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:22:58,777 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:22:58,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:22:58,795 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:22:58,795 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:22:58,798 INFO L87 Difference]: Start difference. First operand has 680 states, 487 states have (on average 1.3347022587268993) internal successors, (650), 512 states have internal predecessors, (650), 154 states have call successors, (154), 37 states have call predecessors, (154), 37 states have return successors, (154), 152 states have call predecessors, (154), 154 states have call successors, (154) Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 13:22:59,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:22:59,082 INFO L93 Difference]: Finished difference Result 1602 states and 2277 transitions. [2024-12-02 13:22:59,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:22:59,084 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2024-12-02 13:22:59,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:22:59,100 INFO L225 Difference]: With dead ends: 1602 [2024-12-02 13:22:59,101 INFO L226 Difference]: Without dead ends: 917 [2024-12-02 13:22:59,108 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:22:59,110 INFO L435 NwaCegarLoop]: 944 mSDtfsCounter, 349 mSDsluCounter, 883 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 349 SdHoareTripleChecker+Valid, 1827 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:22:59,111 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [349 Valid, 1827 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 13:22:59,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 917 states. [2024-12-02 13:22:59,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 917 to 890. [2024-12-02 13:22:59,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 890 states, 637 states have (on average 1.3202511773940346) internal successors, (841), 672 states have internal predecessors, (841), 197 states have call successors, (197), 57 states have call predecessors, (197), 55 states have return successors, (187), 180 states have call predecessors, (187), 187 states have call successors, (187) [2024-12-02 13:22:59,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 890 states and 1225 transitions. [2024-12-02 13:22:59,213 INFO L78 Accepts]: Start accepts. Automaton has 890 states and 1225 transitions. Word has length 13 [2024-12-02 13:22:59,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:22:59,213 INFO L471 AbstractCegarLoop]: Abstraction has 890 states and 1225 transitions. [2024-12-02 13:22:59,214 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 13:22:59,214 INFO L276 IsEmpty]: Start isEmpty. Operand 890 states and 1225 transitions. [2024-12-02 13:22:59,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-02 13:22:59,216 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:22:59,216 INFO L218 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, 1, 1, 1, 1, 1] [2024-12-02 13:22:59,217 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 13:22:59,217 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:22:59,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:22:59,217 INFO L85 PathProgramCache]: Analyzing trace with hash 30224340, now seen corresponding path program 1 times [2024-12-02 13:22:59,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:22:59,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704702737] [2024-12-02 13:22:59,218 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:22:59,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:23:00,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:23:00,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 13:23:00,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:23:00,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704702737] [2024-12-02 13:23:00,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704702737] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:23:00,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:23:00,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:23:00,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433765082] [2024-12-02 13:23:00,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:23:00,791 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:23:00,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:23:00,792 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:23:00,792 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:23:00,792 INFO L87 Difference]: Start difference. First operand 890 states and 1225 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-12-02 13:23:04,832 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:23:05,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:23:05,042 INFO L93 Difference]: Finished difference Result 2561 states and 3522 transitions. [2024-12-02 13:23:05,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:23:05,043 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 35 [2024-12-02 13:23:05,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:23:05,054 INFO L225 Difference]: With dead ends: 2561 [2024-12-02 13:23:05,055 INFO L226 Difference]: Without dead ends: 1674 [2024-12-02 13:23:05,058 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:23:05,059 INFO L435 NwaCegarLoop]: 966 mSDtfsCounter, 892 mSDsluCounter, 883 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 892 SdHoareTripleChecker+Valid, 1849 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:23:05,059 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [892 Valid, 1849 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-12-02 13:23:05,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1674 states. [2024-12-02 13:23:05,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1674 to 1667. [2024-12-02 13:23:05,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1667 states, 1206 states have (on average 1.3200663349917081) internal successors, (1592), 1260 states have internal predecessors, (1592), 353 states have call successors, (353), 110 states have call predecessors, (353), 107 states have return successors, (343), 330 states have call predecessors, (343), 343 states have call successors, (343) [2024-12-02 13:23:05,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1667 states to 1667 states and 2288 transitions. [2024-12-02 13:23:05,151 INFO L78 Accepts]: Start accepts. Automaton has 1667 states and 2288 transitions. Word has length 35 [2024-12-02 13:23:05,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:23:05,152 INFO L471 AbstractCegarLoop]: Abstraction has 1667 states and 2288 transitions. [2024-12-02 13:23:05,152 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-12-02 13:23:05,152 INFO L276 IsEmpty]: Start isEmpty. Operand 1667 states and 2288 transitions. [2024-12-02 13:23:05,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-12-02 13:23:05,154 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:23:05,154 INFO L218 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:23:05,154 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 13:23:05,154 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:23:05,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:23:05,154 INFO L85 PathProgramCache]: Analyzing trace with hash -1064351123, now seen corresponding path program 1 times [2024-12-02 13:23:05,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:23:05,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720533157] [2024-12-02 13:23:05,155 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:23:05,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:23:06,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:23:06,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 13:23:06,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:23:06,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720533157] [2024-12-02 13:23:06,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720533157] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:23:06,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:23:06,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:23:06,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919567984] [2024-12-02 13:23:06,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:23:06,494 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:23:06,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:23:06,495 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:23:06,495 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:23:06,495 INFO L87 Difference]: Start difference. First operand 1667 states and 2288 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-12-02 13:23:06,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:23:06,582 INFO L93 Difference]: Finished difference Result 1693 states and 2320 transitions. [2024-12-02 13:23:06,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:23:06,583 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 42 [2024-12-02 13:23:06,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:23:06,589 INFO L225 Difference]: With dead ends: 1693 [2024-12-02 13:23:06,589 INFO L226 Difference]: Without dead ends: 1680 [2024-12-02 13:23:06,590 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:23:06,591 INFO L435 NwaCegarLoop]: 953 mSDtfsCounter, 933 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 933 SdHoareTripleChecker+Valid, 969 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:23:06,591 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [933 Valid, 969 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:23:06,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1680 states. [2024-12-02 13:23:06,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1680 to 1667. [2024-12-02 13:23:06,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1667 states, 1206 states have (on average 1.318407960199005) internal successors, (1590), 1260 states have internal predecessors, (1590), 353 states have call successors, (353), 110 states have call predecessors, (353), 107 states have return successors, (343), 330 states have call predecessors, (343), 343 states have call successors, (343) [2024-12-02 13:23:06,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1667 states to 1667 states and 2286 transitions. [2024-12-02 13:23:06,647 INFO L78 Accepts]: Start accepts. Automaton has 1667 states and 2286 transitions. Word has length 42 [2024-12-02 13:23:06,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:23:06,647 INFO L471 AbstractCegarLoop]: Abstraction has 1667 states and 2286 transitions. [2024-12-02 13:23:06,647 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-12-02 13:23:06,647 INFO L276 IsEmpty]: Start isEmpty. Operand 1667 states and 2286 transitions. [2024-12-02 13:23:06,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-12-02 13:23:06,648 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:23:06,648 INFO L218 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:23:06,649 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 13:23:06,649 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:23:06,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:23:06,649 INFO L85 PathProgramCache]: Analyzing trace with hash -1007092821, now seen corresponding path program 1 times [2024-12-02 13:23:06,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:23:06,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147712370] [2024-12-02 13:23:06,649 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:23:06,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:23:07,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:23:07,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 13:23:07,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:23:07,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147712370] [2024-12-02 13:23:07,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147712370] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:23:07,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:23:07,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:23:07,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590523488] [2024-12-02 13:23:07,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:23:07,758 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:23:07,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:23:07,759 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:23:07,759 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:23:07,759 INFO L87 Difference]: Start difference. First operand 1667 states and 2286 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-12-02 13:23:11,784 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:23:11,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:23:11,870 INFO L93 Difference]: Finished difference Result 1669 states and 2287 transitions. [2024-12-02 13:23:11,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:23:11,871 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 42 [2024-12-02 13:23:11,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:23:11,877 INFO L225 Difference]: With dead ends: 1669 [2024-12-02 13:23:11,877 INFO L226 Difference]: Without dead ends: 1666 [2024-12-02 13:23:11,878 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:23:11,878 INFO L435 NwaCegarLoop]: 935 mSDtfsCounter, 912 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 912 SdHoareTripleChecker+Valid, 935 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:23:11,879 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [912 Valid, 935 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-12-02 13:23:11,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1666 states. [2024-12-02 13:23:11,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1666 to 1666. [2024-12-02 13:23:11,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1666 states, 1206 states have (on average 1.3175787728026533) internal successors, (1589), 1259 states have internal predecessors, (1589), 352 states have call successors, (352), 110 states have call predecessors, (352), 107 states have return successors, (343), 330 states have call predecessors, (343), 343 states have call successors, (343) [2024-12-02 13:23:11,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1666 states to 1666 states and 2284 transitions. [2024-12-02 13:23:11,933 INFO L78 Accepts]: Start accepts. Automaton has 1666 states and 2284 transitions. Word has length 42 [2024-12-02 13:23:11,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:23:11,934 INFO L471 AbstractCegarLoop]: Abstraction has 1666 states and 2284 transitions. [2024-12-02 13:23:11,934 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-12-02 13:23:11,934 INFO L276 IsEmpty]: Start isEmpty. Operand 1666 states and 2284 transitions. [2024-12-02 13:23:11,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-02 13:23:11,935 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:23:11,935 INFO L218 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:23:11,935 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 13:23:11,935 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:23:11,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:23:11,936 INFO L85 PathProgramCache]: Analyzing trace with hash -1155424246, now seen corresponding path program 1 times [2024-12-02 13:23:11,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:23:11,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424149265] [2024-12-02 13:23:11,936 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:23:11,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:23:12,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:23:12,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 13:23:12,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:23:12,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424149265] [2024-12-02 13:23:12,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424149265] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:23:12,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:23:12,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:23:12,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266366242] [2024-12-02 13:23:12,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:23:12,910 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:23:12,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:23:12,910 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:23:12,910 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:23:12,911 INFO L87 Difference]: Start difference. First operand 1666 states and 2284 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-12-02 13:23:16,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:23:17,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:23:17,082 INFO L93 Difference]: Finished difference Result 1668 states and 2285 transitions. [2024-12-02 13:23:17,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:23:17,083 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 43 [2024-12-02 13:23:17,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:23:17,091 INFO L225 Difference]: With dead ends: 1668 [2024-12-02 13:23:17,091 INFO L226 Difference]: Without dead ends: 1665 [2024-12-02 13:23:17,092 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:23:17,093 INFO L435 NwaCegarLoop]: 933 mSDtfsCounter, 909 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 909 SdHoareTripleChecker+Valid, 933 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:23:17,093 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [909 Valid, 933 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-12-02 13:23:17,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1665 states. [2024-12-02 13:23:17,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1665 to 1665. [2024-12-02 13:23:17,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1665 states, 1206 states have (on average 1.3167495854063018) internal successors, (1588), 1258 states have internal predecessors, (1588), 351 states have call successors, (351), 110 states have call predecessors, (351), 107 states have return successors, (343), 330 states have call predecessors, (343), 343 states have call successors, (343) [2024-12-02 13:23:17,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1665 states to 1665 states and 2282 transitions. [2024-12-02 13:23:17,181 INFO L78 Accepts]: Start accepts. Automaton has 1665 states and 2282 transitions. Word has length 43 [2024-12-02 13:23:17,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:23:17,182 INFO L471 AbstractCegarLoop]: Abstraction has 1665 states and 2282 transitions. [2024-12-02 13:23:17,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-12-02 13:23:17,182 INFO L276 IsEmpty]: Start isEmpty. Operand 1665 states and 2282 transitions. [2024-12-02 13:23:17,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-12-02 13:23:17,183 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:23:17,183 INFO L218 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:23:17,183 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 13:23:17,183 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:23:17,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:23:17,184 INFO L85 PathProgramCache]: Analyzing trace with hash -1458726258, now seen corresponding path program 1 times [2024-12-02 13:23:17,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:23:17,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044473989] [2024-12-02 13:23:17,184 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:23:17,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:23:18,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:23:18,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 13:23:18,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:23:18,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044473989] [2024-12-02 13:23:18,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044473989] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:23:18,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:23:18,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:23:18,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300002730] [2024-12-02 13:23:18,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:23:18,353 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:23:18,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:23:18,353 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:23:18,353 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:23:18,354 INFO L87 Difference]: Start difference. First operand 1665 states and 2282 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-12-02 13:23:22,387 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:23:22,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:23:22,564 INFO L93 Difference]: Finished difference Result 1667 states and 2283 transitions. [2024-12-02 13:23:22,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:23:22,564 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 44 [2024-12-02 13:23:22,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:23:22,572 INFO L225 Difference]: With dead ends: 1667 [2024-12-02 13:23:22,573 INFO L226 Difference]: Without dead ends: 1664 [2024-12-02 13:23:22,574 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:23:22,574 INFO L435 NwaCegarLoop]: 931 mSDtfsCounter, 906 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 906 SdHoareTripleChecker+Valid, 931 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:23:22,574 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [906 Valid, 931 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-12-02 13:23:22,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1664 states. [2024-12-02 13:23:22,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1664 to 1664. [2024-12-02 13:23:22,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1664 states, 1206 states have (on average 1.3159203980099503) internal successors, (1587), 1257 states have internal predecessors, (1587), 350 states have call successors, (350), 110 states have call predecessors, (350), 107 states have return successors, (343), 330 states have call predecessors, (343), 343 states have call successors, (343) [2024-12-02 13:23:22,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1664 states to 1664 states and 2280 transitions. [2024-12-02 13:23:22,666 INFO L78 Accepts]: Start accepts. Automaton has 1664 states and 2280 transitions. Word has length 44 [2024-12-02 13:23:22,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:23:22,667 INFO L471 AbstractCegarLoop]: Abstraction has 1664 states and 2280 transitions. [2024-12-02 13:23:22,667 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-12-02 13:23:22,667 INFO L276 IsEmpty]: Start isEmpty. Operand 1664 states and 2280 transitions. [2024-12-02 13:23:22,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-12-02 13:23:22,668 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:23:22,668 INFO L218 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:23:22,668 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 13:23:22,668 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:23:22,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:23:22,669 INFO L85 PathProgramCache]: Analyzing trace with hash 2023818125, now seen corresponding path program 1 times [2024-12-02 13:23:22,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:23:22,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089701967] [2024-12-02 13:23:22,669 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:23:22,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:23:23,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:23:23,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 13:23:23,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:23:23,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089701967] [2024-12-02 13:23:23,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089701967] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:23:23,775 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:23:23,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:23:23,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742467195] [2024-12-02 13:23:23,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:23:23,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:23:23,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:23:23,776 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:23:23,776 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:23:23,776 INFO L87 Difference]: Start difference. First operand 1664 states and 2280 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-12-02 13:23:27,800 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:23:28,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:23:28,020 INFO L93 Difference]: Finished difference Result 4923 states and 6747 transitions. [2024-12-02 13:23:28,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:23:28,020 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 45 [2024-12-02 13:23:28,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:23:28,037 INFO L225 Difference]: With dead ends: 4923 [2024-12-02 13:23:28,037 INFO L226 Difference]: Without dead ends: 3262 [2024-12-02 13:23:28,044 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:23:28,044 INFO L435 NwaCegarLoop]: 999 mSDtfsCounter, 881 mSDsluCounter, 890 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 881 SdHoareTripleChecker+Valid, 1889 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:23:28,045 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [881 Valid, 1889 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-12-02 13:23:28,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3262 states. [2024-12-02 13:23:28,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3262 to 3252. [2024-12-02 13:23:28,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3252 states, 2368 states have (on average 1.3163006756756757) internal successors, (3117), 2466 states have internal predecessors, (3117), 671 states have call successors, (671), 218 states have call predecessors, (671), 212 states have return successors, (662), 635 states have call predecessors, (662), 662 states have call successors, (662) [2024-12-02 13:23:28,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3252 states to 3252 states and 4450 transitions. [2024-12-02 13:23:28,224 INFO L78 Accepts]: Start accepts. Automaton has 3252 states and 4450 transitions. Word has length 45 [2024-12-02 13:23:28,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:23:28,225 INFO L471 AbstractCegarLoop]: Abstraction has 3252 states and 4450 transitions. [2024-12-02 13:23:28,225 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-12-02 13:23:28,225 INFO L276 IsEmpty]: Start isEmpty. Operand 3252 states and 4450 transitions. [2024-12-02 13:23:28,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-02 13:23:28,226 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:23:28,226 INFO L218 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:23:28,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 13:23:28,227 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:23:28,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:23:28,227 INFO L85 PathProgramCache]: Analyzing trace with hash -1686450831, now seen corresponding path program 1 times [2024-12-02 13:23:28,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:23:28,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689512791] [2024-12-02 13:23:28,227 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:23:28,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:23:29,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:23:29,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 13:23:29,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:23:29,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689512791] [2024-12-02 13:23:29,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1689512791] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:23:29,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:23:29,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:23:29,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219107249] [2024-12-02 13:23:29,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:23:29,215 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:23:29,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:23:29,216 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:23:29,216 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:23:29,216 INFO L87 Difference]: Start difference. First operand 3252 states and 4450 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-12-02 13:23:33,241 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:23:33,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:23:33,416 INFO L93 Difference]: Finished difference Result 3303 states and 4487 transitions. [2024-12-02 13:23:33,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:23:33,417 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 46 [2024-12-02 13:23:33,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:23:33,426 INFO L225 Difference]: With dead ends: 3303 [2024-12-02 13:23:33,427 INFO L226 Difference]: Without dead ends: 3248 [2024-12-02 13:23:33,428 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:23:33,429 INFO L435 NwaCegarLoop]: 934 mSDtfsCounter, 845 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 845 SdHoareTripleChecker+Valid, 1000 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:23:33,429 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [845 Valid, 1000 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-12-02 13:23:33,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3248 states. [2024-12-02 13:23:33,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3248 to 3227. [2024-12-02 13:23:33,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3227 states, 2354 states have (on average 1.312659303313509) internal successors, (3090), 2448 states have internal predecessors, (3090), 656 states have call successors, (656), 222 states have call predecessors, (656), 216 states have return successors, (649), 624 states have call predecessors, (649), 649 states have call successors, (649) [2024-12-02 13:23:33,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3227 states to 3227 states and 4395 transitions. [2024-12-02 13:23:33,538 INFO L78 Accepts]: Start accepts. Automaton has 3227 states and 4395 transitions. Word has length 46 [2024-12-02 13:23:33,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:23:33,538 INFO L471 AbstractCegarLoop]: Abstraction has 3227 states and 4395 transitions. [2024-12-02 13:23:33,538 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-12-02 13:23:33,538 INFO L276 IsEmpty]: Start isEmpty. Operand 3227 states and 4395 transitions. [2024-12-02 13:23:33,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-12-02 13:23:33,541 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:23:33,542 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:23:33,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 13:23:33,542 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:23:33,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:23:33,543 INFO L85 PathProgramCache]: Analyzing trace with hash -838290608, now seen corresponding path program 1 times [2024-12-02 13:23:33,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:23:33,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287940213] [2024-12-02 13:23:33,543 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:23:33,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:23:34,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:23:34,679 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-12-02 13:23:34,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:23:34,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287940213] [2024-12-02 13:23:34,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287940213] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:23:34,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:23:34,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:23:34,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848262609] [2024-12-02 13:23:34,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:23:34,680 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:23:34,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:23:34,681 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:23:34,681 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:23:34,681 INFO L87 Difference]: Start difference. First operand 3227 states and 4395 transitions. Second operand has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 13:23:35,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:23:35,020 INFO L93 Difference]: Finished difference Result 8401 states and 11477 transitions. [2024-12-02 13:23:35,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:23:35,020 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 151 [2024-12-02 13:23:35,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:23:35,043 INFO L225 Difference]: With dead ends: 8401 [2024-12-02 13:23:35,043 INFO L226 Difference]: Without dead ends: 5177 [2024-12-02 13:23:35,055 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:23:35,055 INFO L435 NwaCegarLoop]: 1429 mSDtfsCounter, 666 mSDsluCounter, 906 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 666 SdHoareTripleChecker+Valid, 2335 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:23:35,055 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [666 Valid, 2335 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:23:35,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5177 states. [2024-12-02 13:23:35,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5177 to 5115. [2024-12-02 13:23:35,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5115 states, 3768 states have (on average 1.32776008492569) internal successors, (5003), 3891 states have internal predecessors, (5003), 1007 states have call successors, (1007), 345 states have call predecessors, (1007), 339 states have return successors, (1000), 966 states have call predecessors, (1000), 1000 states have call successors, (1000) [2024-12-02 13:23:35,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5115 states to 5115 states and 7010 transitions. [2024-12-02 13:23:35,352 INFO L78 Accepts]: Start accepts. Automaton has 5115 states and 7010 transitions. Word has length 151 [2024-12-02 13:23:35,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:23:35,352 INFO L471 AbstractCegarLoop]: Abstraction has 5115 states and 7010 transitions. [2024-12-02 13:23:35,352 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 13:23:35,352 INFO L276 IsEmpty]: Start isEmpty. Operand 5115 states and 7010 transitions. [2024-12-02 13:23:35,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-12-02 13:23:35,358 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:23:35,358 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:23:35,358 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 13:23:35,358 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:23:35,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:23:35,359 INFO L85 PathProgramCache]: Analyzing trace with hash 606680510, now seen corresponding path program 1 times [2024-12-02 13:23:35,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:23:35,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189430343] [2024-12-02 13:23:35,359 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:23:35,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:23:36,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:23:36,947 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-12-02 13:23:36,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:23:36,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189430343] [2024-12-02 13:23:36,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189430343] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:23:36,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:23:36,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:23:36,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620748340] [2024-12-02 13:23:36,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:23:36,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:23:36,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:23:36,948 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:23:36,949 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:23:36,949 INFO L87 Difference]: Start difference. First operand 5115 states and 7010 transitions. Second operand has 5 states, 5 states have (on average 23.4) internal successors, (117), 5 states have internal predecessors, (117), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-12-02 13:23:37,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:23:37,207 INFO L93 Difference]: Finished difference Result 7943 states and 10836 transitions. [2024-12-02 13:23:37,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:23:37,208 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.4) internal successors, (117), 5 states have internal predecessors, (117), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 186 [2024-12-02 13:23:37,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:23:37,223 INFO L225 Difference]: With dead ends: 7943 [2024-12-02 13:23:37,223 INFO L226 Difference]: Without dead ends: 2831 [2024-12-02 13:23:37,235 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:23:37,236 INFO L435 NwaCegarLoop]: 894 mSDtfsCounter, 0 mSDsluCounter, 2675 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3569 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:23:37,236 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3569 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:23:37,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2831 states. [2024-12-02 13:23:37,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2831 to 2831. [2024-12-02 13:23:37,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2831 states, 2069 states have (on average 1.3093281778637023) internal successors, (2709), 2129 states have internal predecessors, (2709), 560 states have call successors, (560), 205 states have call predecessors, (560), 201 states have return successors, (556), 540 states have call predecessors, (556), 556 states have call successors, (556) [2024-12-02 13:23:37,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2831 states to 2831 states and 3825 transitions. [2024-12-02 13:23:37,429 INFO L78 Accepts]: Start accepts. Automaton has 2831 states and 3825 transitions. Word has length 186 [2024-12-02 13:23:37,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:23:37,429 INFO L471 AbstractCegarLoop]: Abstraction has 2831 states and 3825 transitions. [2024-12-02 13:23:37,430 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.4) internal successors, (117), 5 states have internal predecessors, (117), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-12-02 13:23:37,430 INFO L276 IsEmpty]: Start isEmpty. Operand 2831 states and 3825 transitions. [2024-12-02 13:23:37,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-12-02 13:23:37,435 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:23:37,435 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:23:37,436 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 13:23:37,436 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:23:37,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:23:37,436 INFO L85 PathProgramCache]: Analyzing trace with hash 1286738880, now seen corresponding path program 1 times [2024-12-02 13:23:37,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:23:37,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65729521] [2024-12-02 13:23:37,436 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:23:37,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:23:38,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:23:38,704 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-12-02 13:23:38,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:23:38,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65729521] [2024-12-02 13:23:38,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65729521] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:23:38,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:23:38,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:23:38,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339968042] [2024-12-02 13:23:38,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:23:38,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:23:38,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:23:38,706 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:23:38,706 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:23:38,706 INFO L87 Difference]: Start difference. First operand 2831 states and 3825 transitions. Second operand has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-12-02 13:23:42,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:23:42,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:23:42,895 INFO L93 Difference]: Finished difference Result 2836 states and 3828 transitions. [2024-12-02 13:23:42,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:23:42,896 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 186 [2024-12-02 13:23:42,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:23:42,909 INFO L225 Difference]: With dead ends: 2836 [2024-12-02 13:23:42,910 INFO L226 Difference]: Without dead ends: 2833 [2024-12-02 13:23:42,911 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:23:42,912 INFO L435 NwaCegarLoop]: 902 mSDtfsCounter, 51 mSDsluCounter, 841 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 1743 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:23:42,912 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 1743 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-12-02 13:23:42,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2833 states. [2024-12-02 13:23:43,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2833 to 2830. [2024-12-02 13:23:43,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2830 states, 2069 states have (on average 1.3073948767520542) internal successors, (2705), 2128 states have internal predecessors, (2705), 559 states have call successors, (559), 205 states have call predecessors, (559), 201 states have return successors, (556), 540 states have call predecessors, (556), 556 states have call successors, (556) [2024-12-02 13:23:43,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2830 states to 2830 states and 3820 transitions. [2024-12-02 13:23:43,171 INFO L78 Accepts]: Start accepts. Automaton has 2830 states and 3820 transitions. Word has length 186 [2024-12-02 13:23:43,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:23:43,172 INFO L471 AbstractCegarLoop]: Abstraction has 2830 states and 3820 transitions. [2024-12-02 13:23:43,172 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-12-02 13:23:43,172 INFO L276 IsEmpty]: Start isEmpty. Operand 2830 states and 3820 transitions. [2024-12-02 13:23:43,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-12-02 13:23:43,179 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:23:43,180 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:23:43,180 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 13:23:43,180 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:23:43,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:23:43,180 INFO L85 PathProgramCache]: Analyzing trace with hash -2027611886, now seen corresponding path program 1 times [2024-12-02 13:23:43,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:23:43,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781583151] [2024-12-02 13:23:43,181 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:23:43,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:23:44,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:23:44,469 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-12-02 13:23:44,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:23:44,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781583151] [2024-12-02 13:23:44,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781583151] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:23:44,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:23:44,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:23:44,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146920580] [2024-12-02 13:23:44,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:23:44,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:23:44,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:23:44,471 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:23:44,471 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:23:44,471 INFO L87 Difference]: Start difference. First operand 2830 states and 3820 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-12-02 13:23:48,504 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:23:48,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:23:48,704 INFO L93 Difference]: Finished difference Result 2833 states and 3822 transitions. [2024-12-02 13:23:48,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:23:48,704 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 187 [2024-12-02 13:23:48,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:23:48,715 INFO L225 Difference]: With dead ends: 2833 [2024-12-02 13:23:48,715 INFO L226 Difference]: Without dead ends: 2830 [2024-12-02 13:23:48,716 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:23:48,717 INFO L435 NwaCegarLoop]: 900 mSDtfsCounter, 81 mSDsluCounter, 872 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 1772 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:23:48,717 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 1772 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-12-02 13:23:48,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2830 states. [2024-12-02 13:23:48,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2830 to 2830. [2024-12-02 13:23:48,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2830 states, 2069 states have (on average 1.3035282745287577) internal successors, (2697), 2128 states have internal predecessors, (2697), 559 states have call successors, (559), 205 states have call predecessors, (559), 201 states have return successors, (556), 540 states have call predecessors, (556), 556 states have call successors, (556) [2024-12-02 13:23:48,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2830 states to 2830 states and 3812 transitions. [2024-12-02 13:23:48,807 INFO L78 Accepts]: Start accepts. Automaton has 2830 states and 3812 transitions. Word has length 187 [2024-12-02 13:23:48,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:23:48,808 INFO L471 AbstractCegarLoop]: Abstraction has 2830 states and 3812 transitions. [2024-12-02 13:23:48,808 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-12-02 13:23:48,808 INFO L276 IsEmpty]: Start isEmpty. Operand 2830 states and 3812 transitions. [2024-12-02 13:23:48,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-12-02 13:23:48,811 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:23:48,811 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:23:48,811 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 13:23:48,811 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:23:48,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:23:48,812 INFO L85 PathProgramCache]: Analyzing trace with hash 1874328400, now seen corresponding path program 1 times [2024-12-02 13:23:48,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:23:48,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402760357] [2024-12-02 13:23:48,812 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:23:48,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:23:49,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:23:50,090 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-12-02 13:23:50,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:23:50,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402760357] [2024-12-02 13:23:50,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402760357] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:23:50,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:23:50,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:23:50,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318755590] [2024-12-02 13:23:50,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:23:50,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:23:50,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:23:50,092 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:23:50,092 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:23:50,092 INFO L87 Difference]: Start difference. First operand 2830 states and 3812 transitions. Second operand has 5 states, 5 states have (on average 23.6) internal successors, (118), 5 states have internal predecessors, (118), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-12-02 13:23:50,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:23:50,267 INFO L93 Difference]: Finished difference Result 2830 states and 3812 transitions. [2024-12-02 13:23:50,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:23:50,267 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.6) internal successors, (118), 5 states have internal predecessors, (118), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 187 [2024-12-02 13:23:50,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:23:50,270 INFO L225 Difference]: With dead ends: 2830 [2024-12-02 13:23:50,270 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 13:23:50,273 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:23:50,274 INFO L435 NwaCegarLoop]: 891 mSDtfsCounter, 0 mSDsluCounter, 2662 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3553 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:23:50,274 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3553 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:23:50,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 13:23:50,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 13:23:50,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 13:23:50,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 13:23:50,276 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 187 [2024-12-02 13:23:50,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:23:50,276 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 13:23:50,276 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.6) internal successors, (118), 5 states have internal predecessors, (118), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-12-02 13:23:50,277 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 13:23:50,277 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 13:23:50,278 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 13:23:50,279 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 13:23:50,281 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:23:50,282 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-12-02 13:25:22,072 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 13:25:22,090 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:25:22 BoogieIcfgContainer [2024-12-02 13:25:22,090 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 13:25:22,091 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 13:25:22,091 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 13:25:22,091 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 13:25:22,091 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:22:56" (3/4) ... [2024-12-02 13:25:22,094 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-02 13:25:22,099 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#12 [2024-12-02 13:25:22,099 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure copy_from_user [2024-12-02 13:25:22,099 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#11 [2024-12-02 13:25:22,099 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure atomic_set [2024-12-02 13:25:22,099 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#10 [2024-12-02 13:25:22,100 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#7 [2024-12-02 13:25:22,100 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#6 [2024-12-02 13:25:22,100 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#19 [2024-12-02 13:25:22,100 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#9 [2024-12-02 13:25:22,100 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#18 [2024-12-02 13:25:22,100 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#8 [2024-12-02 13:25:22,100 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#17 [2024-12-02 13:25:22,100 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#16 [2024-12-02 13:25:22,100 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure phantom_status [2024-12-02 13:25:22,100 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#15 [2024-12-02 13:25:22,100 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#14 [2024-12-02 13:25:22,100 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#13 [2024-12-02 13:25:22,100 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure phantom_remove [2024-12-02 13:25:22,100 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_release_regions [2024-12-02 13:25:22,100 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure phantom_poll [2024-12-02 13:25:22,100 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#21 [2024-12-02 13:25:22,100 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_get_drvdata [2024-12-02 13:25:22,100 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#20 [2024-12-02 13:25:22,100 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure iowrite32 [2024-12-02 13:25:22,100 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock_irqrestore [2024-12-02 13:25:22,100 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2024-12-02 13:25:22,100 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kfree [2024-12-02 13:25:22,100 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure free_irq [2024-12-02 13:25:22,100 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_iomap [2024-12-02 13:25:22,100 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_iounmap [2024-12-02 13:25:22,101 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure might_fault [2024-12-02 13:25:22,101 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2024-12-02 13:25:22,101 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure dev_err [2024-12-02 13:25:22,101 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure class_destroy [2024-12-02 13:25:22,101 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_unlock [2024-12-02 13:25:22,101 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure class_remove_file [2024-12-02 13:25:22,101 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_disable_device [2024-12-02 13:25:22,101 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure copy_to_user [2024-12-02 13:25:22,101 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2024-12-02 13:25:22,101 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure unregister_chrdev_region [2024-12-02 13:25:22,101 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __dynamic_pr_debug [2024-12-02 13:25:22,101 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure _raw_spin_lock_irqsave [2024-12-02 13:25:22,101 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_unlock_open_lock_of_phantom_device [2024-12-02 13:25:22,101 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2024-12-02 13:25:22,101 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure atomic_read [2024-12-02 13:25:22,101 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ioread32 [2024-12-02 13:25:22,101 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#1 [2024-12-02 13:25:22,101 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#0 [2024-12-02 13:25:22,101 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#3 [2024-12-02 13:25:22,101 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#2 [2024-12-02 13:25:22,101 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#5 [2024-12-02 13:25:22,101 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#4 [2024-12-02 13:25:22,101 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_lock [2024-12-02 13:25:22,101 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure _copy_from_user [2024-12-02 13:25:22,102 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spinlock_check [2024-12-02 13:25:22,102 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure phantom_ioctl [2024-12-02 13:25:22,102 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_unlock_phantom_mutex [2024-12-02 13:25:22,102 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure IS_ERR [2024-12-02 13:25:22,125 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 328 nodes and edges [2024-12-02 13:25:22,128 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 148 nodes and edges [2024-12-02 13:25:22,131 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 53 nodes and edges [2024-12-02 13:25:22,133 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2024-12-02 13:25:22,135 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-12-02 13:25:22,138 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-02 13:25:22,140 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-12-02 13:25:22,143 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 13:25:22,355 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91a42e99-1fed-48c4-a965-d628098b2211/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 13:25:22,355 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91a42e99-1fed-48c4-a965-d628098b2211/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 13:25:22,355 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 13:25:22,356 INFO L158 Benchmark]: Toolchain (without parser) took 154231.55ms. Allocated memory was 117.4MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 87.1MB in the beginning and 739.0MB in the end (delta: -651.8MB). Peak memory consumption was 481.7MB. Max. memory is 16.1GB. [2024-12-02 13:25:22,356 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:25:22,357 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1084.82ms. Allocated memory is still 117.4MB. Free memory was 86.9MB in the beginning and 44.3MB in the end (delta: 42.6MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2024-12-02 13:25:22,357 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.76ms. Allocated memory is still 117.4MB. Free memory was 44.3MB in the beginning and 34.2MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 13:25:22,357 INFO L158 Benchmark]: Boogie Preprocessor took 252.66ms. Allocated memory is still 117.4MB. Free memory was 34.2MB in the beginning and 41.7MB in the end (delta: -7.5MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2024-12-02 13:25:22,357 INFO L158 Benchmark]: RCFGBuilder took 7351.60ms. Allocated memory was 117.4MB in the beginning and 159.4MB in the end (delta: 41.9MB). Free memory was 41.7MB in the beginning and 99.5MB in the end (delta: -57.8MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2024-12-02 13:25:22,358 INFO L158 Benchmark]: TraceAbstraction took 145178.03ms. Allocated memory was 159.4MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 99.5MB in the beginning and 772.5MB in the end (delta: -673.0MB). Peak memory consumption was 760.5MB. Max. memory is 16.1GB. [2024-12-02 13:25:22,358 INFO L158 Benchmark]: Witness Printer took 264.64ms. Allocated memory is still 1.3GB. Free memory was 772.5MB in the beginning and 739.0MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-02 13:25:22,360 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1084.82ms. Allocated memory is still 117.4MB. Free memory was 86.9MB in the beginning and 44.3MB in the end (delta: 42.6MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.76ms. Allocated memory is still 117.4MB. Free memory was 44.3MB in the beginning and 34.2MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 252.66ms. Allocated memory is still 117.4MB. Free memory was 34.2MB in the beginning and 41.7MB in the end (delta: -7.5MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. * RCFGBuilder took 7351.60ms. Allocated memory was 117.4MB in the beginning and 159.4MB in the end (delta: 41.9MB). Free memory was 41.7MB in the beginning and 99.5MB in the end (delta: -57.8MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. * TraceAbstraction took 145178.03ms. Allocated memory was 159.4MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 99.5MB in the beginning and 772.5MB in the end (delta: -673.0MB). Peak memory consumption was 760.5MB. Max. memory is 16.1GB. * Witness Printer took 264.64ms. Allocated memory is still 1.3GB. Free memory was 772.5MB in the beginning and 739.0MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 3103]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; incl %0": "+m" (v->counter)); [3103] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 4431]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 59 procedures, 785 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 53.3s, OverallIterations: 13, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 35.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 8 mSolverCounterUnknown, 7425 SdHoareTripleChecker+Valid, 33.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7425 mSDsluCounter, 23305 SdHoareTripleChecker+Invalid, 32.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10694 mSDsCounter, 21 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 124 IncrementalHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21 mSolverCounterUnsat, 12611 mSDtfsCounter, 124 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 45 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5115occurred in iteration=9, InterpolantAutomatonStates: 43, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.6s AutomataMinimizationTime, 13 MinimizatonAttempts, 143 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 1207 NumberOfCodeBlocks, 1207 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1194 ConstructedInterpolants, 0 QuantifiedInterpolants, 1538 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 431/431 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 3989]: Location Invariant Derived location invariant: (((((((ldv_mutex_open_lock_of_phantom_device == 1) && (ldv_state_variable_0 == 1)) && (1 == ldv_mutex_mutex_of_device)) && (ldv_mutex_phantom_mutex == 1)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_retval_0 == 0)) - InvariantResult [Line: 3989]: Location Invariant Derived location invariant: (((((((ldv_mutex_open_lock_of_phantom_device == 1) && (ldv_state_variable_0 == 1)) && (1 == ldv_mutex_mutex_of_device)) && (ldv_mutex_phantom_mutex == 1)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_retval_0 == 0)) - InvariantResult [Line: 3906]: Location Invariant Derived location invariant: ((((((ldv_mutex_open_lock_of_phantom_device == 1) && (1 == ldv_mutex_mutex_of_device)) && (ldv_mutex_phantom_mutex == 1)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_retval_0 == 0)) - InvariantResult [Line: 3813]: Location Invariant Derived location invariant: ((((((ldv_mutex_open_lock_of_phantom_device == 1) && (1 == ldv_mutex_mutex_of_device)) && (ldv_mutex_phantom_mutex == 1)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_retval_0 == 0)) - InvariantResult [Line: 3813]: Location Invariant Derived location invariant: ((((((ldv_mutex_open_lock_of_phantom_device == 1) && (1 == ldv_mutex_mutex_of_device)) && (ldv_mutex_phantom_mutex == 1)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_retval_0 == 0)) - InvariantResult [Line: 3578]: Location Invariant Derived location invariant: ((((((ldv_mutex_open_lock_of_phantom_device == 1) && (1 == ldv_mutex_mutex_of_device)) && (ldv_mutex_phantom_mutex == 1)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_retval_0 == 0)) RESULT: Ultimate proved your program to be correct! [2024-12-02 13:25:22,434 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91a42e99-1fed-48c4-a965-d628098b2211/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE