./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pt.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_91454391-7149-4dd1-9123-2b7779216ffd/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91454391-7149-4dd1-9123-2b7779216ffd/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_91454391-7149-4dd1-9123-2b7779216ffd/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91454391-7149-4dd1-9123-2b7779216ffd/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pt.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91454391-7149-4dd1-9123-2b7779216ffd/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_91454391-7149-4dd1-9123-2b7779216ffd/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 3b154baf348652a9aadd484f41053a90df6581eb3d7346fd488d4cc05040e74b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 07:41:16,111 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 07:41:16,160 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91454391-7149-4dd1-9123-2b7779216ffd/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-02 07:41:16,164 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 07:41:16,165 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 07:41:16,183 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 07:41:16,184 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 07:41:16,184 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 07:41:16,184 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 07:41:16,184 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 07:41:16,184 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 07:41:16,184 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 07:41:16,185 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 07:41:16,185 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 07:41:16,185 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 07:41:16,185 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 07:41:16,185 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 07:41:16,185 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 07:41:16,185 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 07:41:16,186 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 07:41:16,186 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 07:41:16,186 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 07:41:16,186 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 07:41:16,186 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 07:41:16,186 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 07:41:16,186 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 07:41:16,186 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 07:41:16,186 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 07:41:16,186 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 07:41:16,186 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 07:41:16,187 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 07:41:16,187 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 07:41:16,187 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 07:41:16,187 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 07:41:16,187 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 07:41:16,187 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 07:41:16,187 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 07:41:16,187 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 07:41:16,187 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 07:41:16,188 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 07:41:16,188 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 07:41:16,188 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 07:41:16,188 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 07:41:16,188 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 07:41:16,188 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 07:41:16,188 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_91454391-7149-4dd1-9123-2b7779216ffd/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 -> 3b154baf348652a9aadd484f41053a90df6581eb3d7346fd488d4cc05040e74b [2024-12-02 07:41:16,377 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 07:41:16,384 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 07:41:16,386 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 07:41:16,387 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 07:41:16,387 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 07:41:16,388 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91454391-7149-4dd1-9123-2b7779216ffd/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pt.ko-main.cil.out.i [2024-12-02 07:41:18,975 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91454391-7149-4dd1-9123-2b7779216ffd/bin/uautomizer-verify-84ZbGMXZE1/data/d29878fe1/288c7372782f4902a0dbe756a7a20b94/FLAG66b733467 [2024-12-02 07:41:19,322 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 07:41:19,322 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91454391-7149-4dd1-9123-2b7779216ffd/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pt.ko-main.cil.out.i [2024-12-02 07:41:19,344 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91454391-7149-4dd1-9123-2b7779216ffd/bin/uautomizer-verify-84ZbGMXZE1/data/d29878fe1/288c7372782f4902a0dbe756a7a20b94/FLAG66b733467 [2024-12-02 07:41:19,555 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91454391-7149-4dd1-9123-2b7779216ffd/bin/uautomizer-verify-84ZbGMXZE1/data/d29878fe1/288c7372782f4902a0dbe756a7a20b94 [2024-12-02 07:41:19,557 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 07:41:19,558 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 07:41:19,559 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 07:41:19,559 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 07:41:19,562 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 07:41:19,562 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:41:19" (1/1) ... [2024-12-02 07:41:19,563 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53cad09b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:41:19, skipping insertion in model container [2024-12-02 07:41:19,563 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:41:19" (1/1) ... [2024-12-02 07:41:19,612 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 07:41:20,221 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_91454391-7149-4dd1-9123-2b7779216ffd/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pt.ko-main.cil.out.i[119285,119298] [2024-12-02 07:41:20,284 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 07:41:20,316 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 07:41:20,398 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)); [2827] [2024-12-02 07:41:20,399 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; decl %0; sete %1": "+m" (v->counter), "=qm" (c): : "memory"); [2834-2835] [2024-12-02 07:41:20,486 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_91454391-7149-4dd1-9123-2b7779216ffd/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pt.ko-main.cil.out.i[119285,119298] [2024-12-02 07:41:20,498 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 07:41:20,548 INFO L204 MainTranslator]: Completed translation [2024-12-02 07:41:20,548 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:41:20 WrapperNode [2024-12-02 07:41:20,548 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 07:41:20,549 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 07:41:20,549 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 07:41:20,549 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 07:41:20,556 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:41:20" (1/1) ... [2024-12-02 07:41:20,590 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:41:20" (1/1) ... [2024-12-02 07:41:20,690 INFO L138 Inliner]: procedures = 146, calls = 1519, calls flagged for inlining = 50, calls inlined = 42, statements flattened = 2396 [2024-12-02 07:41:20,690 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 07:41:20,691 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 07:41:20,691 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 07:41:20,691 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 07:41:20,701 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:41:20" (1/1) ... [2024-12-02 07:41:20,701 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:41:20" (1/1) ... [2024-12-02 07:41:20,714 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:41:20" (1/1) ... [2024-12-02 07:41:20,795 INFO L175 MemorySlicer]: Split 1097 memory accesses to 21 slices as follows [2, 28, 5, 3, 392, 512, 2, 24, 6, 29, 6, 3, 5, 1, 31, 13, 11, 11, 1, 11, 1]. 47 percent of accesses are in the largest equivalence class. The 797 initializations are split as follows [2, 0, 5, 0, 176, 512, 0, 0, 6, 29, 0, 3, 0, 0, 24, 13, 11, 4, 0, 11, 1]. The 201 writes are split as follows [0, 28, 0, 2, 139, 0, 2, 24, 0, 0, 5, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0]. [2024-12-02 07:41:20,796 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:41:20" (1/1) ... [2024-12-02 07:41:20,796 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:41:20" (1/1) ... [2024-12-02 07:41:20,846 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:41:20" (1/1) ... [2024-12-02 07:41:20,849 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:41:20" (1/1) ... [2024-12-02 07:41:20,859 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:41:20" (1/1) ... [2024-12-02 07:41:20,871 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:41:20" (1/1) ... [2024-12-02 07:41:20,880 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:41:20" (1/1) ... [2024-12-02 07:41:20,897 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 07:41:20,898 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 07:41:20,898 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 07:41:20,898 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 07:41:20,899 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:41:20" (1/1) ... [2024-12-02 07:41:20,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 07:41:20,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91454391-7149-4dd1-9123-2b7779216ffd/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:41:20,927 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91454391-7149-4dd1-9123-2b7779216ffd/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 07:41:20,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91454391-7149-4dd1-9123-2b7779216ffd/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 07:41:20,953 INFO L130 BoogieDeclarations]: Found specification of procedure pi_release [2024-12-02 07:41:20,953 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_release [2024-12-02 07:41:20,953 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2024-12-02 07:41:20,953 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2024-12-02 07:41:20,954 INFO L130 BoogieDeclarations]: Found specification of procedure pi_disconnect [2024-12-02 07:41:20,954 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_disconnect [2024-12-02 07:41:20,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_pt_mutex [2024-12-02 07:41:20,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_pt_mutex [2024-12-02 07:41:20,954 INFO L130 BoogieDeclarations]: Found specification of procedure status_reg [2024-12-02 07:41:20,954 INFO L138 BoogieDeclarations]: Found implementation of procedure status_reg [2024-12-02 07:41:20,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-02 07:41:20,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-02 07:41:20,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-02 07:41:20,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-02 07:41:20,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-02 07:41:20,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-12-02 07:41:20,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-12-02 07:41:20,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-12-02 07:41:20,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-12-02 07:41:20,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-12-02 07:41:20,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-12-02 07:41:20,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-12-02 07:41:20,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-12-02 07:41:20,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-12-02 07:41:20,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-12-02 07:41:20,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-12-02 07:41:20,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-12-02 07:41:20,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-12-02 07:41:20,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-12-02 07:41:20,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-12-02 07:41:20,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-12-02 07:41:20,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-02 07:41:20,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-02 07:41:20,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-02 07:41:20,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-02 07:41:20,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-02 07:41:20,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-12-02 07:41:20,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-12-02 07:41:20,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-12-02 07:41:20,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-12-02 07:41:20,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-12-02 07:41:20,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-12-02 07:41:20,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-12-02 07:41:20,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-12-02 07:41:20,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-12-02 07:41:20,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-12-02 07:41:20,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-12-02 07:41:20,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-12-02 07:41:20,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-12-02 07:41:20,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-12-02 07:41:20,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-12-02 07:41:20,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-12-02 07:41:20,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 07:41:20,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 07:41:20,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 07:41:20,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 07:41:20,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 07:41:20,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 07:41:20,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 07:41:20,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-02 07:41:20,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-12-02 07:41:20,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-12-02 07:41:20,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-12-02 07:41:20,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-12-02 07:41:20,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-12-02 07:41:20,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-12-02 07:41:20,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-12-02 07:41:20,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-12-02 07:41:20,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-12-02 07:41:20,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-12-02 07:41:20,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-12-02 07:41:20,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-12-02 07:41:20,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-12-02 07:41:20,958 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_block [2024-12-02 07:41:20,958 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_block [2024-12-02 07:41:20,959 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2024-12-02 07:41:20,959 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2024-12-02 07:41:20,959 INFO L130 BoogieDeclarations]: Found specification of procedure pt_media_access_cmd [2024-12-02 07:41:20,959 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_media_access_cmd [2024-12-02 07:41:20,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-12-02 07:41:20,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-12-02 07:41:20,959 INFO L130 BoogieDeclarations]: Found specification of procedure pt_reset [2024-12-02 07:41:20,959 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_reset [2024-12-02 07:41:20,959 INFO L130 BoogieDeclarations]: Found specification of procedure pt_identify [2024-12-02 07:41:20,959 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_identify [2024-12-02 07:41:20,959 INFO L130 BoogieDeclarations]: Found specification of procedure pt_command [2024-12-02 07:41:20,959 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_command [2024-12-02 07:41:20,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 07:41:20,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 07:41:20,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 07:41:20,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 07:41:20,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 07:41:20,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 07:41:20,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 07:41:20,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-02 07:41:20,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-12-02 07:41:20,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-12-02 07:41:20,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-12-02 07:41:20,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-12-02 07:41:20,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-12-02 07:41:20,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-12-02 07:41:20,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-12-02 07:41:20,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-12-02 07:41:20,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-12-02 07:41:20,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-12-02 07:41:20,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-12-02 07:41:20,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-12-02 07:41:20,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-12-02 07:41:20,960 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-12-02 07:41:20,960 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-12-02 07:41:20,960 INFO L130 BoogieDeclarations]: Found specification of procedure pt_write [2024-12-02 07:41:20,960 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_write [2024-12-02 07:41:20,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-12-02 07:41:20,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-12-02 07:41:20,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-12-02 07:41:20,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-12-02 07:41:20,960 INFO L130 BoogieDeclarations]: Found specification of procedure pt_atapi [2024-12-02 07:41:20,960 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_atapi [2024-12-02 07:41:20,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 07:41:20,962 INFO L130 BoogieDeclarations]: Found specification of procedure pt_poll_dsc [2024-12-02 07:41:20,962 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_poll_dsc [2024-12-02 07:41:20,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_pt_mutex [2024-12-02 07:41:20,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_pt_mutex [2024-12-02 07:41:20,962 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-12-02 07:41:20,962 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-12-02 07:41:20,962 INFO L130 BoogieDeclarations]: Found specification of procedure pt_req_sense [2024-12-02 07:41:20,962 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_req_sense [2024-12-02 07:41:20,962 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2024-12-02 07:41:20,962 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2024-12-02 07:41:20,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 07:41:20,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_17 [2024-12-02 07:41:20,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_17 [2024-12-02 07:41:20,962 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2024-12-02 07:41:20,962 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2024-12-02 07:41:20,962 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-12-02 07:41:20,962 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-12-02 07:41:20,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 07:41:20,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 07:41:20,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 07:41:20,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-02 07:41:20,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-02 07:41:20,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-02 07:41:20,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-12-02 07:41:20,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-12-02 07:41:20,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-12-02 07:41:20,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-12-02 07:41:20,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-12-02 07:41:20,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-12-02 07:41:20,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-12-02 07:41:20,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-12-02 07:41:20,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-12-02 07:41:20,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-12-02 07:41:20,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-12-02 07:41:20,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-12-02 07:41:20,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-12-02 07:41:20,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-12-02 07:41:20,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-12-02 07:41:20,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 07:41:20,963 INFO L130 BoogieDeclarations]: Found specification of procedure DRIVE [2024-12-02 07:41:20,963 INFO L138 BoogieDeclarations]: Found implementation of procedure DRIVE [2024-12-02 07:41:20,963 INFO L130 BoogieDeclarations]: Found specification of procedure pt_completion [2024-12-02 07:41:20,964 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_completion [2024-12-02 07:41:20,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 07:41:20,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 07:41:20,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 07:41:20,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-02 07:41:20,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-02 07:41:20,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-02 07:41:20,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-12-02 07:41:20,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-12-02 07:41:20,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-12-02 07:41:20,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-12-02 07:41:20,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-12-02 07:41:20,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-12-02 07:41:20,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-12-02 07:41:20,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-12-02 07:41:20,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-12-02 07:41:20,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-12-02 07:41:20,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-12-02 07:41:20,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-12-02 07:41:20,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-12-02 07:41:20,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-12-02 07:41:20,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-12-02 07:41:20,964 INFO L130 BoogieDeclarations]: Found specification of procedure pt_sleep [2024-12-02 07:41:20,964 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_sleep [2024-12-02 07:41:20,964 INFO L130 BoogieDeclarations]: Found specification of procedure pt_write_fm [2024-12-02 07:41:20,965 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_write_fm [2024-12-02 07:41:20,965 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2024-12-02 07:41:20,965 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2024-12-02 07:41:20,965 INFO L130 BoogieDeclarations]: Found specification of procedure pi_write_block [2024-12-02 07:41:20,965 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_write_block [2024-12-02 07:41:20,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 07:41:20,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-12-02 07:41:20,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-12-02 07:41:20,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-12-02 07:41:20,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-12-02 07:41:20,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-12-02 07:41:20,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-12-02 07:41:20,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-12-02 07:41:20,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-12-02 07:41:20,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-12-02 07:41:20,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-12-02 07:41:20,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-12-02 07:41:20,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-12-02 07:41:20,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-12-02 07:41:20,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-12-02 07:41:20,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-12-02 07:41:20,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-12-02 07:41:20,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-12-02 07:41:20,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-12-02 07:41:20,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-12-02 07:41:20,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-12-02 07:41:20,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-12-02 07:41:20,966 INFO L130 BoogieDeclarations]: Found specification of procedure pi_init [2024-12-02 07:41:20,966 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_init [2024-12-02 07:41:20,966 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_regr [2024-12-02 07:41:20,966 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_regr [2024-12-02 07:41:20,967 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2024-12-02 07:41:20,967 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2024-12-02 07:41:20,967 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-12-02 07:41:20,967 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-12-02 07:41:20,967 INFO L130 BoogieDeclarations]: Found specification of procedure pt_wait [2024-12-02 07:41:20,967 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_wait [2024-12-02 07:41:20,967 INFO L130 BoogieDeclarations]: Found specification of procedure pi_connect [2024-12-02 07:41:20,967 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_connect [2024-12-02 07:41:20,967 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2024-12-02 07:41:20,967 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2024-12-02 07:41:20,967 INFO L130 BoogieDeclarations]: Found specification of procedure pt_probe [2024-12-02 07:41:20,967 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_probe [2024-12-02 07:41:20,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 07:41:20,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 07:41:20,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 07:41:20,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 07:41:20,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 07:41:20,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 07:41:20,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 07:41:20,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-02 07:41:20,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-12-02 07:41:20,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-12-02 07:41:20,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-12-02 07:41:20,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-12-02 07:41:20,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-12-02 07:41:20,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-12-02 07:41:20,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-12-02 07:41:20,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-12-02 07:41:20,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-12-02 07:41:20,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-12-02 07:41:20,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-12-02 07:41:20,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-12-02 07:41:20,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-12-02 07:41:20,968 INFO L130 BoogieDeclarations]: Found specification of procedure pt_rewind [2024-12-02 07:41:20,968 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_rewind [2024-12-02 07:41:20,968 INFO L130 BoogieDeclarations]: Found specification of procedure device_create [2024-12-02 07:41:20,968 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create [2024-12-02 07:41:20,968 INFO L130 BoogieDeclarations]: Found specification of procedure xn [2024-12-02 07:41:20,968 INFO L138 BoogieDeclarations]: Found implementation of procedure xn [2024-12-02 07:41:20,968 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2024-12-02 07:41:20,968 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2024-12-02 07:41:20,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 07:41:20,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 07:41:20,968 INFO L130 BoogieDeclarations]: Found specification of procedure xs [2024-12-02 07:41:20,968 INFO L138 BoogieDeclarations]: Found implementation of procedure xs [2024-12-02 07:41:21,377 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 07:41:21,379 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 07:41:37,557 INFO L? ?]: Removed 705 outVars from TransFormulas that were not future-live. [2024-12-02 07:41:37,557 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 07:41:37,582 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 07:41:37,582 INFO L312 CfgBuilder]: Removed 5 assume(true) statements. [2024-12-02 07:41:37,582 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:41:37 BoogieIcfgContainer [2024-12-02 07:41:37,583 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 07:41:37,585 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 07:41:37,585 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 07:41:37,589 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 07:41:37,589 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:41:19" (1/3) ... [2024-12-02 07:41:37,590 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@475a7060 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:41:37, skipping insertion in model container [2024-12-02 07:41:37,590 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:41:20" (2/3) ... [2024-12-02 07:41:37,590 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@475a7060 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:41:37, skipping insertion in model container [2024-12-02 07:41:37,590 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:41:37" (3/3) ... [2024-12-02 07:41:37,592 INFO L128 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pt.ko-main.cil.out.i [2024-12-02 07:41:37,606 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 07:41:37,609 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pt.ko-main.cil.out.i that has 45 procedures, 867 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 07:41:37,675 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 07:41:37,687 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;@ccf57f5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 07:41:37,687 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 07:41:37,693 INFO L276 IsEmpty]: Start isEmpty. Operand has 867 states, 634 states have (on average 1.391167192429022) internal successors, (882), 655 states have internal predecessors, (882), 191 states have call successors, (191), 44 states have call predecessors, (191), 44 states have return successors, (191), 191 states have call predecessors, (191), 191 states have call successors, (191) [2024-12-02 07:41:37,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-02 07:41:37,702 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:41:37,702 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:41:37,703 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:41:37,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:41:37,707 INFO L85 PathProgramCache]: Analyzing trace with hash -1259046571, now seen corresponding path program 1 times [2024-12-02 07:41:37,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:41:37,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146234975] [2024-12-02 07:41:37,715 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:41:37,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:41:38,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:41:38,859 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 07:41:38,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:41:38,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146234975] [2024-12-02 07:41:38,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146234975] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:41:38,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:41:38,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 07:41:38,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941151101] [2024-12-02 07:41:38,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:41:38,865 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:41:38,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:41:38,883 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:41:38,883 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:41:38,887 INFO L87 Difference]: Start difference. First operand has 867 states, 634 states have (on average 1.391167192429022) internal successors, (882), 655 states have internal predecessors, (882), 191 states have call successors, (191), 44 states have call predecessors, (191), 44 states have return successors, (191), 191 states have call predecessors, (191), 191 states have call successors, (191) Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 07:41:39,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:41:39,395 INFO L93 Difference]: Finished difference Result 2117 states and 3142 transitions. [2024-12-02 07:41:39,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:41:39,398 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2024-12-02 07:41:39,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:41:39,417 INFO L225 Difference]: With dead ends: 2117 [2024-12-02 07:41:39,417 INFO L226 Difference]: Without dead ends: 1245 [2024-12-02 07:41:39,425 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 07:41:39,427 INFO L435 NwaCegarLoop]: 1549 mSDtfsCounter, 567 mSDsluCounter, 1185 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 567 SdHoareTripleChecker+Valid, 2734 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 07:41:39,428 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [567 Valid, 2734 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 07:41:39,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1245 states. [2024-12-02 07:41:39,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1245 to 1209. [2024-12-02 07:41:39,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1209 states, 875 states have (on average 1.3714285714285714) internal successors, (1200), 896 states have internal predecessors, (1200), 266 states have call successors, (266), 68 states have call predecessors, (266), 67 states have return successors, (260), 260 states have call predecessors, (260), 260 states have call successors, (260) [2024-12-02 07:41:39,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1209 states to 1209 states and 1726 transitions. [2024-12-02 07:41:39,542 INFO L78 Accepts]: Start accepts. Automaton has 1209 states and 1726 transitions. Word has length 19 [2024-12-02 07:41:39,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:41:39,543 INFO L471 AbstractCegarLoop]: Abstraction has 1209 states and 1726 transitions. [2024-12-02 07:41:39,543 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 07:41:39,543 INFO L276 IsEmpty]: Start isEmpty. Operand 1209 states and 1726 transitions. [2024-12-02 07:41:39,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-02 07:41:39,544 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:41:39,544 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:41:39,544 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 07:41:39,545 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:41:39,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:41:39,545 INFO L85 PathProgramCache]: Analyzing trace with hash -1789411670, now seen corresponding path program 1 times [2024-12-02 07:41:39,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:41:39,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74709806] [2024-12-02 07:41:39,545 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:41:39,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:41:40,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:41:40,381 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 07:41:40,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:41:40,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74709806] [2024-12-02 07:41:40,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74709806] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:41:40,381 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:41:40,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 07:41:40,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084974095] [2024-12-02 07:41:40,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:41:40,383 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:41:40,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:41:40,383 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:41:40,383 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:41:40,384 INFO L87 Difference]: Start difference. First operand 1209 states and 1726 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 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 07:41:40,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:41:40,460 INFO L93 Difference]: Finished difference Result 2415 states and 3449 transitions. [2024-12-02 07:41:40,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:41:40,460 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 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 19 [2024-12-02 07:41:40,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:41:40,470 INFO L225 Difference]: With dead ends: 2415 [2024-12-02 07:41:40,470 INFO L226 Difference]: Without dead ends: 1209 [2024-12-02 07:41:40,474 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 07:41:40,475 INFO L435 NwaCegarLoop]: 1218 mSDtfsCounter, 1209 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1209 SdHoareTripleChecker+Valid, 1218 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 07:41:40,476 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1209 Valid, 1218 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 07:41:40,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1209 states. [2024-12-02 07:41:40,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1209 to 1209. [2024-12-02 07:41:40,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1209 states, 875 states have (on average 1.3691428571428572) internal successors, (1198), 896 states have internal predecessors, (1198), 266 states have call successors, (266), 68 states have call predecessors, (266), 67 states have return successors, (260), 260 states have call predecessors, (260), 260 states have call successors, (260) [2024-12-02 07:41:40,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1209 states to 1209 states and 1724 transitions. [2024-12-02 07:41:40,554 INFO L78 Accepts]: Start accepts. Automaton has 1209 states and 1724 transitions. Word has length 19 [2024-12-02 07:41:40,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:41:40,554 INFO L471 AbstractCegarLoop]: Abstraction has 1209 states and 1724 transitions. [2024-12-02 07:41:40,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 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 07:41:40,554 INFO L276 IsEmpty]: Start isEmpty. Operand 1209 states and 1724 transitions. [2024-12-02 07:41:40,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-02 07:41:40,555 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:41:40,555 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] [2024-12-02 07:41:40,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 07:41:40,555 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:41:40,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:41:40,556 INFO L85 PathProgramCache]: Analyzing trace with hash -1707339384, now seen corresponding path program 1 times [2024-12-02 07:41:40,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:41:40,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20273977] [2024-12-02 07:41:40,556 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:41:40,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:41:40,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:41:41,147 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 07:41:41,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:41:41,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20273977] [2024-12-02 07:41:41,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20273977] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:41:41,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:41:41,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 07:41:41,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472721108] [2024-12-02 07:41:41,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:41:41,148 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:41:41,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:41:41,148 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:41:41,148 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:41:41,149 INFO L87 Difference]: Start difference. First operand 1209 states and 1724 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 07:41:45,189 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 07:41:45,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:41:45,341 INFO L93 Difference]: Finished difference Result 3102 states and 4433 transitions. [2024-12-02 07:41:45,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:41:45,342 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2024-12-02 07:41:45,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:41:45,356 INFO L225 Difference]: With dead ends: 3102 [2024-12-02 07:41:45,356 INFO L226 Difference]: Without dead ends: 1896 [2024-12-02 07:41:45,361 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 07:41:45,362 INFO L435 NwaCegarLoop]: 2138 mSDtfsCounter, 1155 mSDsluCounter, 1008 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1155 SdHoareTripleChecker+Valid, 3146 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-12-02 07:41:45,362 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1155 Valid, 3146 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-12-02 07:41:45,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1896 states. [2024-12-02 07:41:45,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1896 to 1892. [2024-12-02 07:41:45,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1892 states, 1377 states have (on average 1.373275236020334) internal successors, (1891), 1406 states have internal predecessors, (1891), 409 states have call successors, (409), 106 states have call predecessors, (409), 105 states have return successors, (403), 403 states have call predecessors, (403), 403 states have call successors, (403) [2024-12-02 07:41:45,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1892 states to 1892 states and 2703 transitions. [2024-12-02 07:41:45,460 INFO L78 Accepts]: Start accepts. Automaton has 1892 states and 2703 transitions. Word has length 25 [2024-12-02 07:41:45,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:41:45,460 INFO L471 AbstractCegarLoop]: Abstraction has 1892 states and 2703 transitions. [2024-12-02 07:41:45,460 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 07:41:45,461 INFO L276 IsEmpty]: Start isEmpty. Operand 1892 states and 2703 transitions. [2024-12-02 07:41:45,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-02 07:41:45,461 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:41:45,461 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] [2024-12-02 07:41:45,461 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 07:41:45,462 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:41:45,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:41:45,462 INFO L85 PathProgramCache]: Analyzing trace with hash -731458117, now seen corresponding path program 1 times [2024-12-02 07:41:45,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:41:45,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183153437] [2024-12-02 07:41:45,462 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:41:45,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:41:46,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:41:46,262 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 07:41:46,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:41:46,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183153437] [2024-12-02 07:41:46,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183153437] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:41:46,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:41:46,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 07:41:46,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23762534] [2024-12-02 07:41:46,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:41:46,263 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:41:46,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:41:46,264 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:41:46,264 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:41:46,264 INFO L87 Difference]: Start difference. First operand 1892 states and 2703 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 07:41:46,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:41:46,395 INFO L93 Difference]: Finished difference Result 3809 states and 5447 transitions. [2024-12-02 07:41:46,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:41:46,396 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), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2024-12-02 07:41:46,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:41:46,405 INFO L225 Difference]: With dead ends: 3809 [2024-12-02 07:41:46,405 INFO L226 Difference]: Without dead ends: 1920 [2024-12-02 07:41:46,409 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 07:41:46,410 INFO L435 NwaCegarLoop]: 1213 mSDtfsCounter, 14 mSDsluCounter, 1209 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 2422 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 07:41:46,410 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 2422 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 07:41:46,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1920 states. [2024-12-02 07:41:46,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1920 to 1894. [2024-12-02 07:41:46,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1894 states, 1379 states have (on average 1.372733865119652) internal successors, (1893), 1408 states have internal predecessors, (1893), 409 states have call successors, (409), 106 states have call predecessors, (409), 105 states have return successors, (403), 403 states have call predecessors, (403), 403 states have call successors, (403) [2024-12-02 07:41:46,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1894 states to 1894 states and 2705 transitions. [2024-12-02 07:41:46,470 INFO L78 Accepts]: Start accepts. Automaton has 1894 states and 2705 transitions. Word has length 29 [2024-12-02 07:41:46,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:41:46,470 INFO L471 AbstractCegarLoop]: Abstraction has 1894 states and 2705 transitions. [2024-12-02 07:41:46,470 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), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 07:41:46,470 INFO L276 IsEmpty]: Start isEmpty. Operand 1894 states and 2705 transitions. [2024-12-02 07:41:46,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-02 07:41:46,471 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:41:46,471 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 07:41:46,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 07:41:46,471 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:41:46,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:41:46,472 INFO L85 PathProgramCache]: Analyzing trace with hash 2090417796, now seen corresponding path program 1 times [2024-12-02 07:41:46,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:41:46,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003664301] [2024-12-02 07:41:46,472 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:41:46,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:41:47,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:41:47,111 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-02 07:41:47,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:41:47,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003664301] [2024-12-02 07:41:47,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2003664301] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:41:47,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:41:47,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 07:41:47,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236849182] [2024-12-02 07:41:47,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:41:47,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:41:47,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:41:47,112 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:41:47,112 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:41:47,112 INFO L87 Difference]: Start difference. First operand 1894 states and 2705 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 07:41:47,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:41:47,181 INFO L93 Difference]: Finished difference Result 3799 states and 5429 transitions. [2024-12-02 07:41:47,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:41:47,182 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 35 [2024-12-02 07:41:47,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:41:47,190 INFO L225 Difference]: With dead ends: 3799 [2024-12-02 07:41:47,190 INFO L226 Difference]: Without dead ends: 1908 [2024-12-02 07:41:47,195 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 07:41:47,195 INFO L435 NwaCegarLoop]: 1217 mSDtfsCounter, 1 mSDsluCounter, 1214 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 2431 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 07:41:47,196 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 2431 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 07:41:47,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1908 states. [2024-12-02 07:41:47,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1908 to 1908. [2024-12-02 07:41:47,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1908 states, 1393 states have (on average 1.3732950466618807) internal successors, (1913), 1422 states have internal predecessors, (1913), 409 states have call successors, (409), 106 states have call predecessors, (409), 105 states have return successors, (403), 403 states have call predecessors, (403), 403 states have call successors, (403) [2024-12-02 07:41:47,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1908 states to 1908 states and 2725 transitions. [2024-12-02 07:41:47,250 INFO L78 Accepts]: Start accepts. Automaton has 1908 states and 2725 transitions. Word has length 35 [2024-12-02 07:41:47,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:41:47,251 INFO L471 AbstractCegarLoop]: Abstraction has 1908 states and 2725 transitions. [2024-12-02 07:41:47,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 07:41:47,251 INFO L276 IsEmpty]: Start isEmpty. Operand 1908 states and 2725 transitions. [2024-12-02 07:41:47,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-12-02 07:41:47,252 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:41:47,252 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] [2024-12-02 07:41:47,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 07:41:47,252 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:41:47,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:41:47,253 INFO L85 PathProgramCache]: Analyzing trace with hash -1317075735, now seen corresponding path program 1 times [2024-12-02 07:41:47,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:41:47,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295201975] [2024-12-02 07:41:47,253 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:41:47,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:41:47,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:41:47,943 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:41:47,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:41:47,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295201975] [2024-12-02 07:41:47,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295201975] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:41:47,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [241021369] [2024-12-02 07:41:47,943 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:41:47,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:41:47,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91454391-7149-4dd1-9123-2b7779216ffd/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:41:47,945 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91454391-7149-4dd1-9123-2b7779216ffd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 07:41:47,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91454391-7149-4dd1-9123-2b7779216ffd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 07:41:49,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:41:49,017 INFO L256 TraceCheckSpWp]: Trace formula consists of 2780 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 07:41:49,023 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:41:49,066 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-02 07:41:49,066 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:41:49,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [241021369] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:41:49,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 07:41:49,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-12-02 07:41:49,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901729895] [2024-12-02 07:41:49,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:41:49,066 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:41:49,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:41:49,067 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:41:49,067 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:41:49,067 INFO L87 Difference]: Start difference. First operand 1908 states and 2725 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 07:41:49,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:41:49,181 INFO L93 Difference]: Finished difference Result 3861 states and 5525 transitions. [2024-12-02 07:41:49,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:41:49,182 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), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 41 [2024-12-02 07:41:49,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:41:49,195 INFO L225 Difference]: With dead ends: 3861 [2024-12-02 07:41:49,195 INFO L226 Difference]: Without dead ends: 1956 [2024-12-02 07:41:49,202 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:41:49,203 INFO L435 NwaCegarLoop]: 1221 mSDtfsCounter, 13 mSDsluCounter, 1212 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 2433 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 07:41:49,203 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 2433 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 07:41:49,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1956 states. [2024-12-02 07:41:49,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1956 to 1956. [2024-12-02 07:41:49,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1956 states, 1429 states have (on average 1.3750874737578727) internal successors, (1965), 1458 states have internal predecessors, (1965), 421 states have call successors, (421), 106 states have call predecessors, (421), 105 states have return successors, (415), 415 states have call predecessors, (415), 415 states have call successors, (415) [2024-12-02 07:41:49,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1956 states to 1956 states and 2801 transitions. [2024-12-02 07:41:49,299 INFO L78 Accepts]: Start accepts. Automaton has 1956 states and 2801 transitions. Word has length 41 [2024-12-02 07:41:49,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:41:49,300 INFO L471 AbstractCegarLoop]: Abstraction has 1956 states and 2801 transitions. [2024-12-02 07:41:49,300 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), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 07:41:49,300 INFO L276 IsEmpty]: Start isEmpty. Operand 1956 states and 2801 transitions. [2024-12-02 07:41:49,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-02 07:41:49,301 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:41:49,301 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:41:49,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91454391-7149-4dd1-9123-2b7779216ffd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 07:41:49,502 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91454391-7149-4dd1-9123-2b7779216ffd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:41:49,502 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:41:49,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:41:49,502 INFO L85 PathProgramCache]: Analyzing trace with hash -1829642483, now seen corresponding path program 1 times [2024-12-02 07:41:49,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:41:49,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455515103] [2024-12-02 07:41:49,502 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:41:49,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:41:50,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:41:50,408 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-02 07:41:50,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:41:50,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455515103] [2024-12-02 07:41:50,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455515103] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:41:50,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [24190506] [2024-12-02 07:41:50,408 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:41:50,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:41:50,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91454391-7149-4dd1-9123-2b7779216ffd/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:41:50,410 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91454391-7149-4dd1-9123-2b7779216ffd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 07:41:50,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91454391-7149-4dd1-9123-2b7779216ffd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 07:41:51,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:41:51,513 INFO L256 TraceCheckSpWp]: Trace formula consists of 2798 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 07:41:51,516 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:41:51,530 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 07:41:51,530 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:41:51,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [24190506] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:41:51,531 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 07:41:51,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-12-02 07:41:51,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916277863] [2024-12-02 07:41:51,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:41:51,531 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:41:51,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:41:51,532 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:41:51,532 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:41:51,532 INFO L87 Difference]: Start difference. First operand 1956 states and 2801 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-12-02 07:41:51,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:41:51,645 INFO L93 Difference]: Finished difference Result 1978 states and 2827 transitions. [2024-12-02 07:41:51,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:41:51,645 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), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 46 [2024-12-02 07:41:51,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:41:51,658 INFO L225 Difference]: With dead ends: 1978 [2024-12-02 07:41:51,658 INFO L226 Difference]: Without dead ends: 1967 [2024-12-02 07:41:51,659 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:41:51,660 INFO L435 NwaCegarLoop]: 1231 mSDtfsCounter, 1214 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1214 SdHoareTripleChecker+Valid, 1244 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 07:41:51,660 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1214 Valid, 1244 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 07:41:51,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1967 states. [2024-12-02 07:41:51,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1967 to 1956. [2024-12-02 07:41:51,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1956 states, 1429 states have (on average 1.3736878936319104) internal successors, (1963), 1458 states have internal predecessors, (1963), 421 states have call successors, (421), 106 states have call predecessors, (421), 105 states have return successors, (415), 415 states have call predecessors, (415), 415 states have call successors, (415) [2024-12-02 07:41:51,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1956 states to 1956 states and 2799 transitions. [2024-12-02 07:41:51,764 INFO L78 Accepts]: Start accepts. Automaton has 1956 states and 2799 transitions. Word has length 46 [2024-12-02 07:41:51,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:41:51,764 INFO L471 AbstractCegarLoop]: Abstraction has 1956 states and 2799 transitions. [2024-12-02 07:41:51,764 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), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-12-02 07:41:51,764 INFO L276 IsEmpty]: Start isEmpty. Operand 1956 states and 2799 transitions. [2024-12-02 07:41:51,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-02 07:41:51,765 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:41:51,765 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:41:51,779 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91454391-7149-4dd1-9123-2b7779216ffd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 07:41:51,966 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91454391-7149-4dd1-9123-2b7779216ffd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:41:51,966 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:41:51,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:41:51,966 INFO L85 PathProgramCache]: Analyzing trace with hash -1772384181, now seen corresponding path program 1 times [2024-12-02 07:41:51,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:41:51,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542876816] [2024-12-02 07:41:51,967 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:41:51,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:41:52,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:41:52,591 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-02 07:41:52,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:41:52,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542876816] [2024-12-02 07:41:52,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542876816] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:41:52,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1463828417] [2024-12-02 07:41:52,592 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:41:52,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:41:52,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91454391-7149-4dd1-9123-2b7779216ffd/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:41:52,594 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91454391-7149-4dd1-9123-2b7779216ffd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 07:41:52,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91454391-7149-4dd1-9123-2b7779216ffd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 07:41:53,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:41:53,590 INFO L256 TraceCheckSpWp]: Trace formula consists of 2795 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 07:41:53,593 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:41:53,679 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 07:41:53,679 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:41:53,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1463828417] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:41:53,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 07:41:53,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-12-02 07:41:53,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578067579] [2024-12-02 07:41:53,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:41:53,680 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:41:53,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:41:53,680 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:41:53,681 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:41:53,681 INFO L87 Difference]: Start difference. First operand 1956 states and 2799 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-12-02 07:41:57,715 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 07:41:57,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:41:57,777 INFO L93 Difference]: Finished difference Result 1958 states and 2800 transitions. [2024-12-02 07:41:57,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:41:57,777 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), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 46 [2024-12-02 07:41:57,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:41:57,785 INFO L225 Difference]: With dead ends: 1958 [2024-12-02 07:41:57,785 INFO L226 Difference]: Without dead ends: 1955 [2024-12-02 07:41:57,786 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:41:57,787 INFO L435 NwaCegarLoop]: 1216 mSDtfsCounter, 1176 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1176 SdHoareTripleChecker+Valid, 1216 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 07:41:57,787 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1176 Valid, 1216 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-12-02 07:41:57,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1955 states. [2024-12-02 07:41:57,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1955 to 1955. [2024-12-02 07:41:57,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1955 states, 1429 states have (on average 1.3729881035689293) internal successors, (1962), 1457 states have internal predecessors, (1962), 420 states have call successors, (420), 106 states have call predecessors, (420), 105 states have return successors, (415), 415 states have call predecessors, (415), 415 states have call successors, (415) [2024-12-02 07:41:57,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1955 states to 1955 states and 2797 transitions. [2024-12-02 07:41:57,848 INFO L78 Accepts]: Start accepts. Automaton has 1955 states and 2797 transitions. Word has length 46 [2024-12-02 07:41:57,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:41:57,848 INFO L471 AbstractCegarLoop]: Abstraction has 1955 states and 2797 transitions. [2024-12-02 07:41:57,848 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), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-12-02 07:41:57,848 INFO L276 IsEmpty]: Start isEmpty. Operand 1955 states and 2797 transitions. [2024-12-02 07:41:57,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-02 07:41:57,849 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:41:57,849 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-12-02 07:41:57,861 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91454391-7149-4dd1-9123-2b7779216ffd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 07:41:58,049 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91454391-7149-4dd1-9123-2b7779216ffd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-12-02 07:41:58,050 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:41:58,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:41:58,050 INFO L85 PathProgramCache]: Analyzing trace with hash 890282631, now seen corresponding path program 1 times [2024-12-02 07:41:58,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:41:58,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424027266] [2024-12-02 07:41:58,050 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:41:58,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:41:58,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:41:58,577 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-02 07:41:58,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:41:58,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424027266] [2024-12-02 07:41:58,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424027266] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:41:58,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1804696320] [2024-12-02 07:41:58,577 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:41:58,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:41:58,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91454391-7149-4dd1-9123-2b7779216ffd/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:41:58,580 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91454391-7149-4dd1-9123-2b7779216ffd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 07:41:58,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91454391-7149-4dd1-9123-2b7779216ffd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 07:41:59,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:41:59,665 INFO L256 TraceCheckSpWp]: Trace formula consists of 2797 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 07:41:59,667 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:41:59,777 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 07:41:59,777 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:41:59,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1804696320] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:41:59,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 07:41:59,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-12-02 07:41:59,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882054514] [2024-12-02 07:41:59,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:41:59,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:41:59,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:41:59,779 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:41:59,779 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:41:59,779 INFO L87 Difference]: Start difference. First operand 1955 states and 2797 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-12-02 07:42:03,814 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 07:42:03,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:42:03,896 INFO L93 Difference]: Finished difference Result 1957 states and 2798 transitions. [2024-12-02 07:42:03,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:42:03,897 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 47 [2024-12-02 07:42:03,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:42:03,908 INFO L225 Difference]: With dead ends: 1957 [2024-12-02 07:42:03,908 INFO L226 Difference]: Without dead ends: 1954 [2024-12-02 07:42:03,909 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:42:03,910 INFO L435 NwaCegarLoop]: 1214 mSDtfsCounter, 1173 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1173 SdHoareTripleChecker+Valid, 1214 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-12-02 07:42:03,910 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1173 Valid, 1214 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2024-12-02 07:42:03,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1954 states. [2024-12-02 07:42:04,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1954 to 1954. [2024-12-02 07:42:04,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1954 states, 1429 states have (on average 1.3722883135059483) internal successors, (1961), 1456 states have internal predecessors, (1961), 419 states have call successors, (419), 106 states have call predecessors, (419), 105 states have return successors, (415), 415 states have call predecessors, (415), 415 states have call successors, (415) [2024-12-02 07:42:04,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1954 states to 1954 states and 2795 transitions. [2024-12-02 07:42:04,052 INFO L78 Accepts]: Start accepts. Automaton has 1954 states and 2795 transitions. Word has length 47 [2024-12-02 07:42:04,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:42:04,052 INFO L471 AbstractCegarLoop]: Abstraction has 1954 states and 2795 transitions. [2024-12-02 07:42:04,052 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-12-02 07:42:04,052 INFO L276 IsEmpty]: Start isEmpty. Operand 1954 states and 2795 transitions. [2024-12-02 07:42:04,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-12-02 07:42:04,053 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:42:04,054 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-12-02 07:42:04,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91454391-7149-4dd1-9123-2b7779216ffd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-12-02 07:42:04,254 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91454391-7149-4dd1-9123-2b7779216ffd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-12-02 07:42:04,254 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:42:04,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:42:04,254 INFO L85 PathProgramCache]: Analyzing trace with hash 1828580046, now seen corresponding path program 1 times [2024-12-02 07:42:04,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:42:04,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228391904] [2024-12-02 07:42:04,255 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:42:04,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:42:04,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:42:04,886 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-02 07:42:04,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:42:04,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228391904] [2024-12-02 07:42:04,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228391904] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:42:04,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1336829754] [2024-12-02 07:42:04,886 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:42:04,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:42:04,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91454391-7149-4dd1-9123-2b7779216ffd/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:42:04,888 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91454391-7149-4dd1-9123-2b7779216ffd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 07:42:04,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91454391-7149-4dd1-9123-2b7779216ffd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-02 07:42:05,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:42:05,992 INFO L256 TraceCheckSpWp]: Trace formula consists of 2799 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 07:42:05,994 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:42:06,087 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 07:42:06,087 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:42:06,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1336829754] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:42:06,087 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 07:42:06,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-12-02 07:42:06,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105324144] [2024-12-02 07:42:06,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:42:06,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:42:06,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:42:06,088 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:42:06,088 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:42:06,088 INFO L87 Difference]: Start difference. First operand 1954 states and 2795 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-12-02 07:42:10,120 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 07:42:10,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:42:10,199 INFO L93 Difference]: Finished difference Result 1956 states and 2796 transitions. [2024-12-02 07:42:10,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:42:10,200 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 48 [2024-12-02 07:42:10,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:42:10,208 INFO L225 Difference]: With dead ends: 1956 [2024-12-02 07:42:10,208 INFO L226 Difference]: Without dead ends: 1953 [2024-12-02 07:42:10,208 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:42:10,209 INFO L435 NwaCegarLoop]: 1212 mSDtfsCounter, 1170 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1170 SdHoareTripleChecker+Valid, 1212 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 07:42:10,209 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1170 Valid, 1212 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-12-02 07:42:10,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1953 states. [2024-12-02 07:42:10,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1953 to 1953. [2024-12-02 07:42:10,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1953 states, 1429 states have (on average 1.371588523442967) internal successors, (1960), 1455 states have internal predecessors, (1960), 418 states have call successors, (418), 106 states have call predecessors, (418), 105 states have return successors, (415), 415 states have call predecessors, (415), 415 states have call successors, (415) [2024-12-02 07:42:10,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1953 states to 1953 states and 2793 transitions. [2024-12-02 07:42:10,278 INFO L78 Accepts]: Start accepts. Automaton has 1953 states and 2793 transitions. Word has length 48 [2024-12-02 07:42:10,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:42:10,279 INFO L471 AbstractCegarLoop]: Abstraction has 1953 states and 2793 transitions. [2024-12-02 07:42:10,279 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-12-02 07:42:10,279 INFO L276 IsEmpty]: Start isEmpty. Operand 1953 states and 2793 transitions. [2024-12-02 07:42:10,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-12-02 07:42:10,279 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:42:10,279 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-12-02 07:42:10,290 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91454391-7149-4dd1-9123-2b7779216ffd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-02 07:42:10,480 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91454391-7149-4dd1-9123-2b7779216ffd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-12-02 07:42:10,480 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:42:10,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:42:10,480 INFO L85 PathProgramCache]: Analyzing trace with hash 851033706, now seen corresponding path program 1 times [2024-12-02 07:42:10,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:42:10,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665560808] [2024-12-02 07:42:10,480 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:42:10,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:42:10,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:42:11,062 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-02 07:42:11,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:42:11,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665560808] [2024-12-02 07:42:11,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665560808] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:42:11,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [596847050] [2024-12-02 07:42:11,062 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:42:11,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:42:11,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91454391-7149-4dd1-9123-2b7779216ffd/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:42:11,064 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91454391-7149-4dd1-9123-2b7779216ffd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 07:42:11,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91454391-7149-4dd1-9123-2b7779216ffd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-12-02 07:42:12,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:42:12,119 INFO L256 TraceCheckSpWp]: Trace formula consists of 2801 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 07:42:12,121 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:42:12,214 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 07:42:12,215 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:42:12,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [596847050] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:42:12,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 07:42:12,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-12-02 07:42:12,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409573567] [2024-12-02 07:42:12,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:42:12,215 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:42:12,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:42:12,216 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:42:12,216 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:42:12,216 INFO L87 Difference]: Start difference. First operand 1953 states and 2793 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-12-02 07:42:16,249 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 07:42:16,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:42:16,351 INFO L93 Difference]: Finished difference Result 2492 states and 3509 transitions. [2024-12-02 07:42:16,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:42:16,352 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 49 [2024-12-02 07:42:16,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:42:16,364 INFO L225 Difference]: With dead ends: 2492 [2024-12-02 07:42:16,364 INFO L226 Difference]: Without dead ends: 2447 [2024-12-02 07:42:16,365 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:42:16,366 INFO L435 NwaCegarLoop]: 1384 mSDtfsCounter, 1075 mSDsluCounter, 499 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1075 SdHoareTripleChecker+Valid, 1883 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 07:42:16,366 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1075 Valid, 1883 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-12-02 07:42:16,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2447 states. [2024-12-02 07:42:16,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2447 to 2447. [2024-12-02 07:42:16,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2447 states, 1758 states have (on average 1.3532423208191127) internal successors, (2379), 1793 states have internal predecessors, (2379), 536 states have call successors, (536), 153 states have call predecessors, (536), 152 states have return successors, (535), 535 states have call predecessors, (535), 535 states have call successors, (535) [2024-12-02 07:42:16,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2447 states to 2447 states and 3450 transitions. [2024-12-02 07:42:16,511 INFO L78 Accepts]: Start accepts. Automaton has 2447 states and 3450 transitions. Word has length 49 [2024-12-02 07:42:16,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:42:16,512 INFO L471 AbstractCegarLoop]: Abstraction has 2447 states and 3450 transitions. [2024-12-02 07:42:16,512 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-12-02 07:42:16,512 INFO L276 IsEmpty]: Start isEmpty. Operand 2447 states and 3450 transitions. [2024-12-02 07:42:16,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-12-02 07:42:16,515 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:42:16,515 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 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] [2024-12-02 07:42:16,529 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91454391-7149-4dd1-9123-2b7779216ffd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-12-02 07:42:16,715 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91454391-7149-4dd1-9123-2b7779216ffd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-12-02 07:42:16,716 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:42:16,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:42:16,716 INFO L85 PathProgramCache]: Analyzing trace with hash -1124951880, now seen corresponding path program 1 times [2024-12-02 07:42:16,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:42:16,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064176971] [2024-12-02 07:42:16,716 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:42:16,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:42:17,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:42:17,294 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-12-02 07:42:17,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:42:17,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064176971] [2024-12-02 07:42:17,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064176971] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:42:17,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1801813178] [2024-12-02 07:42:17,294 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:42:17,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:42:17,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91454391-7149-4dd1-9123-2b7779216ffd/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:42:17,296 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91454391-7149-4dd1-9123-2b7779216ffd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 07:42:17,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91454391-7149-4dd1-9123-2b7779216ffd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-12-02 07:42:18,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:42:18,369 INFO L256 TraceCheckSpWp]: Trace formula consists of 3021 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 07:42:18,371 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:42:18,384 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-02 07:42:18,384 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:42:18,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1801813178] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:42:18,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 07:42:18,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-12-02 07:42:18,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245341860] [2024-12-02 07:42:18,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:42:18,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:42:18,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:42:18,385 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:42:18,385 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:42:18,386 INFO L87 Difference]: Start difference. First operand 2447 states and 3450 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-12-02 07:42:18,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:42:18,522 INFO L93 Difference]: Finished difference Result 4911 states and 6928 transitions. [2024-12-02 07:42:18,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:42:18,523 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 81 [2024-12-02 07:42:18,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:42:18,531 INFO L225 Difference]: With dead ends: 4911 [2024-12-02 07:42:18,531 INFO L226 Difference]: Without dead ends: 2467 [2024-12-02 07:42:18,537 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:42:18,538 INFO L435 NwaCegarLoop]: 1147 mSDtfsCounter, 21 mSDsluCounter, 1141 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 2288 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 07:42:18,538 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 2288 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 07:42:18,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2467 states. [2024-12-02 07:42:18,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2467 to 2449. [2024-12-02 07:42:18,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2449 states, 1760 states have (on average 1.352840909090909) internal successors, (2381), 1795 states have internal predecessors, (2381), 536 states have call successors, (536), 153 states have call predecessors, (536), 152 states have return successors, (535), 535 states have call predecessors, (535), 535 states have call successors, (535) [2024-12-02 07:42:18,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2449 states to 2449 states and 3452 transitions. [2024-12-02 07:42:18,768 INFO L78 Accepts]: Start accepts. Automaton has 2449 states and 3452 transitions. Word has length 81 [2024-12-02 07:42:18,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:42:18,769 INFO L471 AbstractCegarLoop]: Abstraction has 2449 states and 3452 transitions. [2024-12-02 07:42:18,769 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-12-02 07:42:18,769 INFO L276 IsEmpty]: Start isEmpty. Operand 2449 states and 3452 transitions. [2024-12-02 07:42:18,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-12-02 07:42:18,775 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:42:18,775 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 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] [2024-12-02 07:42:18,800 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91454391-7149-4dd1-9123-2b7779216ffd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-12-02 07:42:18,976 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91454391-7149-4dd1-9123-2b7779216ffd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:42:18,976 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:42:18,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:42:18,977 INFO L85 PathProgramCache]: Analyzing trace with hash -1043884371, now seen corresponding path program 1 times [2024-12-02 07:42:18,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:42:18,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752877563] [2024-12-02 07:42:18,977 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:42:18,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:42:19,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:42:19,548 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-02 07:42:19,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:42:19,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752877563] [2024-12-02 07:42:19,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752877563] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:42:19,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1177714120] [2024-12-02 07:42:19,548 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:42:19,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:42:19,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91454391-7149-4dd1-9123-2b7779216ffd/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:42:19,550 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91454391-7149-4dd1-9123-2b7779216ffd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 07:42:19,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91454391-7149-4dd1-9123-2b7779216ffd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-12-02 07:42:20,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:42:20,690 INFO L256 TraceCheckSpWp]: Trace formula consists of 3028 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 07:42:20,693 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:42:20,722 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 07:42:20,722 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:42:20,800 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-02 07:42:20,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1177714120] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 07:42:20,800 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 07:42:20,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-12-02 07:42:20,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126068392] [2024-12-02 07:42:20,800 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 07:42:20,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 07:42:20,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:42:20,801 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 07:42:20,801 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-12-02 07:42:20,802 INFO L87 Difference]: Start difference. First operand 2449 states and 3452 transitions. Second operand has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 7 states have internal predecessors, (92), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-12-02 07:42:21,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:42:21,046 INFO L93 Difference]: Finished difference Result 5067 states and 7169 transitions. [2024-12-02 07:42:21,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 07:42:21,047 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 7 states have internal predecessors, (92), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 85 [2024-12-02 07:42:21,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:42:21,057 INFO L225 Difference]: With dead ends: 5067 [2024-12-02 07:42:21,057 INFO L226 Difference]: Without dead ends: 2621 [2024-12-02 07:42:21,064 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-12-02 07:42:21,064 INFO L435 NwaCegarLoop]: 1158 mSDtfsCounter, 50 mSDsluCounter, 2337 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 3495 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 07:42:21,065 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 3495 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 07:42:21,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2621 states. [2024-12-02 07:42:21,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2621 to 2621. [2024-12-02 07:42:21,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2621 states, 1902 states have (on average 1.3517350157728707) internal successors, (2571), 1937 states have internal predecessors, (2571), 566 states have call successors, (566), 153 states have call predecessors, (566), 152 states have return successors, (565), 565 states have call predecessors, (565), 565 states have call successors, (565) [2024-12-02 07:42:21,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2621 states to 2621 states and 3702 transitions. [2024-12-02 07:42:21,186 INFO L78 Accepts]: Start accepts. Automaton has 2621 states and 3702 transitions. Word has length 85 [2024-12-02 07:42:21,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:42:21,187 INFO L471 AbstractCegarLoop]: Abstraction has 2621 states and 3702 transitions. [2024-12-02 07:42:21,187 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 7 states have internal predecessors, (92), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-12-02 07:42:21,187 INFO L276 IsEmpty]: Start isEmpty. Operand 2621 states and 3702 transitions. [2024-12-02 07:42:21,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-12-02 07:42:21,190 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:42:21,191 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 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] [2024-12-02 07:42:21,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91454391-7149-4dd1-9123-2b7779216ffd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-12-02 07:42:21,391 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91454391-7149-4dd1-9123-2b7779216ffd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:42:21,391 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:42:21,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:42:21,392 INFO L85 PathProgramCache]: Analyzing trace with hash 562062280, now seen corresponding path program 2 times [2024-12-02 07:42:21,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:42:21,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727969906] [2024-12-02 07:42:21,392 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 07:42:21,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:42:21,901 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-02 07:42:21,901 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 07:42:22,038 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-12-02 07:42:22,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:42:22,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727969906] [2024-12-02 07:42:22,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727969906] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:42:22,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:42:22,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 07:42:22,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741452937] [2024-12-02 07:42:22,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:42:22,038 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:42:22,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:42:22,039 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:42:22,039 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:42:22,039 INFO L87 Difference]: Start difference. First operand 2621 states and 3702 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-12-02 07:42:26,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 07:42:26,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:42:26,215 INFO L93 Difference]: Finished difference Result 2621 states and 3702 transitions. [2024-12-02 07:42:26,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:42:26,216 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 103 [2024-12-02 07:42:26,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:42:26,218 INFO L225 Difference]: With dead ends: 2621 [2024-12-02 07:42:26,218 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 07:42:26,222 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 07:42:26,222 INFO L435 NwaCegarLoop]: 1397 mSDtfsCounter, 490 mSDsluCounter, 1071 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 490 SdHoareTripleChecker+Valid, 2468 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 07:42:26,222 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [490 Valid, 2468 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-12-02 07:42:26,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 07:42:26,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 07:42:26,223 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 07:42:26,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 07:42:26,224 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 103 [2024-12-02 07:42:26,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:42:26,224 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 07:42:26,224 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-12-02 07:42:26,224 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 07:42:26,224 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 07:42:26,226 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 07:42:26,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 07:42:26,228 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:42:26,229 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-12-02 07:42:49,311 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 07:42:49,324 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 07:42:49 BoogieIcfgContainer [2024-12-02 07:42:49,324 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 07:42:49,324 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 07:42:49,324 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 07:42:49,325 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 07:42:49,325 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:41:37" (3/4) ... [2024-12-02 07:42:49,327 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-02 07:42:49,332 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure copy_from_user [2024-12-02 07:42:49,333 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_release [2024-12-02 07:42:49,333 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_unregister_chrdev_17 [2024-12-02 07:42:49,333 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_identify [2024-12-02 07:42:49,333 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_init [2024-12-02 07:42:49,333 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure write_reg [2024-12-02 07:42:49,333 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure atomic_inc [2024-12-02 07:42:49,333 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_read_regr [2024-12-02 07:42:49,333 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure might_fault [2024-12-02 07:42:49,333 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2024-12-02 07:42:49,333 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_disconnect [2024-12-02 07:42:49,333 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_command [2024-12-02 07:42:49,333 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_lock_pt_mutex [2024-12-02 07:42:49,333 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure status_reg [2024-12-02 07:42:49,333 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __const_udelay [2024-12-02 07:42:49,333 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure DRIVE [2024-12-02 07:42:49,333 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_wait [2024-12-02 07:42:49,333 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_unlock [2024-12-02 07:42:49,333 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_write [2024-12-02 07:42:49,333 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2024-12-02 07:42:49,333 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_connect [2024-12-02 07:42:49,333 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_completion [2024-12-02 07:42:49,333 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure device_destroy [2024-12-02 07:42:49,333 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_read_block [2024-12-02 07:42:49,333 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2024-12-02 07:42:49,334 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_reg [2024-12-02 07:42:49,334 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_sleep [2024-12-02 07:42:49,334 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_probe [2024-12-02 07:42:49,334 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_media_access_cmd [2024-12-02 07:42:49,334 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_write_fm [2024-12-02 07:42:49,334 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_rewind [2024-12-02 07:42:49,334 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2024-12-02 07:42:49,334 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure iminor [2024-12-02 07:42:49,334 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_atapi [2024-12-02 07:42:49,334 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_poll_dsc [2024-12-02 07:42:49,334 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure device_create [2024-12-02 07:42:49,334 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_unlock_pt_mutex [2024-12-02 07:42:49,334 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure xn [2024-12-02 07:42:49,334 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_lock [2024-12-02 07:42:49,334 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure _copy_from_user [2024-12-02 07:42:49,334 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_req_sense [2024-12-02 07:42:49,334 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure xs [2024-12-02 07:42:49,334 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_reset [2024-12-02 07:42:49,335 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_write_block [2024-12-02 07:42:49,361 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 334 nodes and edges [2024-12-02 07:42:49,364 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 114 nodes and edges [2024-12-02 07:42:49,366 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges [2024-12-02 07:42:49,368 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-12-02 07:42:49,370 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-12-02 07:42:49,372 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-12-02 07:42:49,376 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 07:42:49,378 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 07:42:49,551 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91454391-7149-4dd1-9123-2b7779216ffd/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 07:42:49,551 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91454391-7149-4dd1-9123-2b7779216ffd/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 07:42:49,551 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 07:42:49,552 INFO L158 Benchmark]: Toolchain (without parser) took 89994.07ms. Allocated memory was 117.4MB in the beginning and 662.7MB in the end (delta: 545.3MB). Free memory was 87.7MB in the beginning and 244.8MB in the end (delta: -157.1MB). Peak memory consumption was 380.8MB. Max. memory is 16.1GB. [2024-12-02 07:42:49,552 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 73.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 07:42:49,552 INFO L158 Benchmark]: CACSL2BoogieTranslator took 990.15ms. Allocated memory is still 117.4MB. Free memory was 87.4MB in the beginning and 47.4MB in the end (delta: 40.0MB). Peak memory consumption was 62.8MB. Max. memory is 16.1GB. [2024-12-02 07:42:49,552 INFO L158 Benchmark]: Boogie Procedure Inliner took 141.18ms. Allocated memory is still 117.4MB. Free memory was 47.4MB in the beginning and 70.0MB in the end (delta: -22.6MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. [2024-12-02 07:42:49,553 INFO L158 Benchmark]: Boogie Preprocessor took 205.91ms. Allocated memory is still 117.4MB. Free memory was 70.0MB in the beginning and 38.6MB in the end (delta: 31.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-02 07:42:49,553 INFO L158 Benchmark]: RCFGBuilder took 16685.14ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 38.6MB in the beginning and 140.7MB in the end (delta: -102.1MB). Peak memory consumption was 116.5MB. Max. memory is 16.1GB. [2024-12-02 07:42:49,553 INFO L158 Benchmark]: TraceAbstraction took 71739.32ms. Allocated memory was 234.9MB in the beginning and 662.7MB in the end (delta: 427.8MB). Free memory was 140.7MB in the beginning and 286.8MB in the end (delta: -146.1MB). Peak memory consumption was 400.7MB. Max. memory is 16.1GB. [2024-12-02 07:42:49,553 INFO L158 Benchmark]: Witness Printer took 226.72ms. Allocated memory is still 662.7MB. Free memory was 286.8MB in the beginning and 244.8MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-02 07:42:49,555 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 73.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 990.15ms. Allocated memory is still 117.4MB. Free memory was 87.4MB in the beginning and 47.4MB in the end (delta: 40.0MB). Peak memory consumption was 62.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 141.18ms. Allocated memory is still 117.4MB. Free memory was 47.4MB in the beginning and 70.0MB in the end (delta: -22.6MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 205.91ms. Allocated memory is still 117.4MB. Free memory was 70.0MB in the beginning and 38.6MB in the end (delta: 31.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * RCFGBuilder took 16685.14ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 38.6MB in the beginning and 140.7MB in the end (delta: -102.1MB). Peak memory consumption was 116.5MB. Max. memory is 16.1GB. * TraceAbstraction took 71739.32ms. Allocated memory was 234.9MB in the beginning and 662.7MB in the end (delta: 427.8MB). Free memory was 140.7MB in the beginning and 286.8MB in the end (delta: -146.1MB). Peak memory consumption was 400.7MB. Max. memory is 16.1GB. * Witness Printer took 226.72ms. Allocated memory is still 662.7MB. Free memory was 286.8MB in the beginning and 244.8MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 2827]: 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)); [2827] - GenericResultAtLocation [Line: 2834]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; decl %0; sete %1": "+m" (v->counter), "=qm" (c): : "memory"); [2834-2835] * 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: 4617]: 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 45 procedures, 867 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 48.6s, OverallIterations: 14, TraceHistogramMax: 4, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 26.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 6 mSolverCounterUnknown, 9351 SdHoareTripleChecker+Valid, 25.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9328 mSDsluCounter, 29404 SdHoareTripleChecker+Invalid, 24.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10889 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 171 IncrementalHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 18515 mSDtfsCounter, 171 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 569 GetRequests, 537 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2621occurred in iteration=13, InterpolantAutomatonStates: 45, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.3s AutomataMinimizationTime, 14 MinimizatonAttempts, 95 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 2.8s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 1116 NumberOfCodeBlocks, 1045 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 1178 ConstructedInterpolants, 0 QuantifiedInterpolants, 1772 SizeOfPredicates, 0 NumberOfNonLiveVariables, 22819 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 23 InterpolantComputations, 13 PerfectInterpolantSequences, 148/158 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: 3376]: Location Invariant Derived location invariant: (((((((ldv_state_variable_0 == 1) && (1 == ldv_mutex_mutex_of_device)) && (disable == 0)) && (ldv_retval_pt_init == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_pt_mutex == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - InvariantResult [Line: 3820]: Location Invariant Derived location invariant: ((((((1 == ldv_mutex_mutex_of_device) && (2 == ldv_mutex_pt_mutex)) && (disable == 0)) && (ldv_retval_pt_init == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - InvariantResult [Line: 3662]: Location Invariant Derived location invariant: (((((((ldv_state_variable_0 == 1) && (1 == ldv_mutex_mutex_of_device)) && (disable == 0)) && (ldv_retval_pt_init == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_pt_mutex == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - InvariantResult [Line: 4298]: Location Invariant Derived location invariant: (((((((ldv_state_variable_0 == 1) && (1 == ldv_mutex_mutex_of_device)) && (disable == 0)) && (ldv_retval_pt_init == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_pt_mutex == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - InvariantResult [Line: 3274]: Location Invariant Derived location invariant: (((((((1 == ldv_mutex_mutex_of_device) && (2 == ldv_mutex_pt_mutex)) && (disable == 0)) && (ldv_retval_pt_init == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_pt_init == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_pt_mutex == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1))) - InvariantResult [Line: 3195]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 4039]: Location Invariant Derived location invariant: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_pt_init == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_pt_mutex == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - InvariantResult [Line: 3420]: Location Invariant Derived location invariant: (((((((ldv_state_variable_0 == 1) && (1 == ldv_mutex_mutex_of_device)) && (disable == 0)) && (ldv_retval_pt_init == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_pt_mutex == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - InvariantResult [Line: 4075]: Location Invariant Derived location invariant: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_pt_init == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_pt_mutex == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - InvariantResult [Line: 3376]: Location Invariant Derived location invariant: (((((((ldv_state_variable_0 == 1) && (1 == ldv_mutex_mutex_of_device)) && (disable == 0)) && (ldv_retval_pt_init == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_pt_mutex == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - InvariantResult [Line: 4129]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 4213]: Location Invariant Derived location invariant: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_pt_init == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_pt_mutex == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - InvariantResult [Line: 3056]: Location Invariant Derived location invariant: (((((((1 == ldv_mutex_mutex_of_device) && (2 == ldv_mutex_pt_mutex)) && (disable == 0)) && (ldv_retval_pt_init == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_pt_init == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_pt_mutex == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1))) - InvariantResult [Line: 3955]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 3235]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 3905]: Location Invariant Derived location invariant: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_pt_init == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_pt_mutex == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - InvariantResult [Line: 3717]: Loop Invariant Derived loop invariant: ((((((((ldv_state_variable_0 == 1) && (1 == ldv_mutex_mutex_of_device)) && (disable == 0)) && (unit <= 3)) && (ldv_retval_pt_init == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_pt_mutex == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - InvariantResult [Line: 3056]: Location Invariant Derived location invariant: (((((((1 == ldv_mutex_mutex_of_device) && (2 == ldv_mutex_pt_mutex)) && (disable == 0)) && (ldv_retval_pt_init == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_pt_init == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_pt_mutex == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1))) RESULT: Ultimate proved your program to be correct! [2024-12-02 07:42:49,591 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91454391-7149-4dd1-9123-2b7779216ffd/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