./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--max16065.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c396b0-1c17-41f1-a86e-69c4fe7901d8/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c396b0-1c17-41f1-a86e-69c4fe7901d8/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c396b0-1c17-41f1-a86e-69c4fe7901d8/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c396b0-1c17-41f1-a86e-69c4fe7901d8/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--max16065.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c396b0-1c17-41f1-a86e-69c4fe7901d8/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c396b0-1c17-41f1-a86e-69c4fe7901d8/bin/uautomizer-verify-VRDe98Ueme --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 1ad6d1ed8310d8e3264189ac87472d58c77647a0c63d75779b5974e889987542 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:47:28,225 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:47:28,355 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c396b0-1c17-41f1-a86e-69c4fe7901d8/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-26 10:47:28,364 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:47:28,365 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:47:28,405 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:47:28,406 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:47:28,407 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:47:28,409 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:47:28,414 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:47:28,414 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 10:47:28,415 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 10:47:28,416 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:47:28,418 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:47:28,418 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:47:28,419 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:47:28,419 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 10:47:28,419 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 10:47:28,420 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:47:28,420 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 10:47:28,421 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 10:47:28,421 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 10:47:28,422 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:47:28,422 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:47:28,423 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:47:28,423 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:47:28,424 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 10:47:28,424 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 10:47:28,424 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:47:28,425 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:47:28,426 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 10:47:28,427 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 10:47:28,427 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 10:47:28,427 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 10:47:28,427 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 10:47:28,428 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 10:47:28,428 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 10:47:28,428 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 10:47:28,428 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 10:47:28,428 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c396b0-1c17-41f1-a86e-69c4fe7901d8/bin/uautomizer-verify-VRDe98Ueme/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c396b0-1c17-41f1-a86e-69c4fe7901d8/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ad6d1ed8310d8e3264189ac87472d58c77647a0c63d75779b5974e889987542 [2023-11-26 10:47:28,717 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:47:28,739 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:47:28,742 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:47:28,743 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:47:28,744 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:47:28,745 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c396b0-1c17-41f1-a86e-69c4fe7901d8/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--max16065.ko-main.cil.out.i [2023-11-26 10:47:31,875 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:47:32,429 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:47:32,430 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c396b0-1c17-41f1-a86e-69c4fe7901d8/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--max16065.ko-main.cil.out.i [2023-11-26 10:47:32,471 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c396b0-1c17-41f1-a86e-69c4fe7901d8/bin/uautomizer-verify-VRDe98Ueme/data/79d9a3d7d/0675b2c5e63942fc9fa96e72e27b9747/FLAG816596e9d [2023-11-26 10:47:32,489 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c396b0-1c17-41f1-a86e-69c4fe7901d8/bin/uautomizer-verify-VRDe98Ueme/data/79d9a3d7d/0675b2c5e63942fc9fa96e72e27b9747 [2023-11-26 10:47:32,495 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:47:32,496 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:47:32,500 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:47:32,500 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:47:32,506 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:47:32,506 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:47:32" (1/1) ... [2023-11-26 10:47:32,508 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69c46482 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:32, skipping insertion in model container [2023-11-26 10:47:32,508 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:47:32" (1/1) ... [2023-11-26 10:47:32,627 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:47:33,663 WARN L240 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_c1c396b0-1c17-41f1-a86e-69c4fe7901d8/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--max16065.ko-main.cil.out.i[168201,168214] [2023-11-26 10:47:33,773 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:47:33,864 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:47:34,086 WARN L240 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_c1c396b0-1c17-41f1-a86e-69c4fe7901d8/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--max16065.ko-main.cil.out.i[168201,168214] [2023-11-26 10:47:34,098 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:47:34,344 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:47:34,345 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:34 WrapperNode [2023-11-26 10:47:34,346 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:47:34,347 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:47:34,347 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:47:34,347 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:47:34,356 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:34" (1/1) ... [2023-11-26 10:47:34,461 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:34" (1/1) ... [2023-11-26 10:47:34,690 INFO L138 Inliner]: procedures = 115, calls = 2153, calls flagged for inlining = 45, calls inlined = 37, statements flattened = 5493 [2023-11-26 10:47:34,691 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:47:34,692 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:47:34,692 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:47:34,692 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:47:34,705 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:34" (1/1) ... [2023-11-26 10:47:34,706 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:34" (1/1) ... [2023-11-26 10:47:34,770 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:34" (1/1) ... [2023-11-26 10:47:35,012 INFO L175 MemorySlicer]: Split 1713 memory accesses to 24 slices as follows [2, 1, 3, 1, 30, 1, 7, 7, 1, 12, 7, 1, 5, 81, 1, 3, 1, 1186, 42, 2, 8, 3, 307, 1]. 69 percent of accesses are in the largest equivalence class. The 1640 initializations are split as follows [2, 0, 0, 0, 30, 0, 6, 6, 0, 12, 6, 0, 4, 79, 0, 2, 0, 1186, 0, 0, 0, 0, 307, 0]. The 19 writes are split as follows [0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 15, 0, 0, 0, 0, 1]. [2023-11-26 10:47:35,013 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:34" (1/1) ... [2023-11-26 10:47:35,014 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:34" (1/1) ... [2023-11-26 10:47:35,167 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:34" (1/1) ... [2023-11-26 10:47:35,206 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:34" (1/1) ... [2023-11-26 10:47:35,252 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:34" (1/1) ... [2023-11-26 10:47:35,274 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:34" (1/1) ... [2023-11-26 10:47:35,309 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:47:35,311 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:47:35,312 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:47:35,312 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:47:35,313 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:34" (1/1) ... [2023-11-26 10:47:35,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:47:35,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c396b0-1c17-41f1-a86e-69c4fe7901d8/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:47:35,358 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c396b0-1c17-41f1-a86e-69c4fe7901d8/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 10:47:35,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c396b0-1c17-41f1-a86e-69c4fe7901d8/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 10:47:35,409 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_set_limit [2023-11-26 10:47:35,410 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_set_limit [2023-11-26 10:47:35,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-26 10:47:35,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-26 10:47:35,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-26 10:47:35,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-26 10:47:35,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-26 10:47:35,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-26 10:47:35,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-26 10:47:35,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-26 10:47:35,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-11-26 10:47:35,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-11-26 10:47:35,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-11-26 10:47:35,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2023-11-26 10:47:35,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2023-11-26 10:47:35,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2023-11-26 10:47:35,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2023-11-26 10:47:35,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2023-11-26 10:47:35,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2023-11-26 10:47:35,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2023-11-26 10:47:35,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2023-11-26 10:47:35,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2023-11-26 10:47:35,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2023-11-26 10:47:35,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2023-11-26 10:47:35,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2023-11-26 10:47:35,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2023-11-26 10:47:35,418 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2023-11-26 10:47:35,419 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2023-11-26 10:47:35,421 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2023-11-26 10:47:35,421 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2023-11-26 10:47:35,421 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_show_limit [2023-11-26 10:47:35,422 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_show_limit [2023-11-26 10:47:35,423 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_update_device [2023-11-26 10:47:35,423 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_update_device [2023-11-26 10:47:35,423 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_show_input [2023-11-26 10:47:35,423 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_show_input [2023-11-26 10:47:35,424 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_read_adc [2023-11-26 10:47:35,424 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_read_adc [2023-11-26 10:47:35,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-26 10:47:35,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-26 10:47:35,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_max16065_data [2023-11-26 10:47:35,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_max16065_data [2023-11-26 10:47:35,426 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_show_alarm [2023-11-26 10:47:35,431 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_show_alarm [2023-11-26 10:47:35,431 INFO L130 BoogieDeclarations]: Found specification of procedure LIMIT_TO_MV [2023-11-26 10:47:35,431 INFO L138 BoogieDeclarations]: Found implementation of procedure LIMIT_TO_MV [2023-11-26 10:47:35,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-26 10:47:35,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-26 10:47:35,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-26 10:47:35,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-26 10:47:35,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-26 10:47:35,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-26 10:47:35,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-26 10:47:35,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-26 10:47:35,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-11-26 10:47:35,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-11-26 10:47:35,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-11-26 10:47:35,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2023-11-26 10:47:35,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2023-11-26 10:47:35,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2023-11-26 10:47:35,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2023-11-26 10:47:35,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2023-11-26 10:47:35,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2023-11-26 10:47:35,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2023-11-26 10:47:35,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2023-11-26 10:47:35,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2023-11-26 10:47:35,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2023-11-26 10:47:35,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2023-11-26 10:47:35,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2023-11-26 10:47:35,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2023-11-26 10:47:35,438 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-26 10:47:35,438 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-26 10:47:35,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-26 10:47:35,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-26 10:47:35,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-26 10:47:35,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-26 10:47:35,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-26 10:47:35,440 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-11-26 10:47:35,441 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-11-26 10:47:35,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 10:47:35,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-26 10:47:35,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-26 10:47:35,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-26 10:47:35,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-26 10:47:35,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2023-11-26 10:47:35,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2023-11-26 10:47:35,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2023-11-26 10:47:35,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2023-11-26 10:47:35,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2023-11-26 10:47:35,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2023-11-26 10:47:35,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2023-11-26 10:47:35,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2023-11-26 10:47:35,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2023-11-26 10:47:35,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2023-11-26 10:47:35,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2023-11-26 10:47:35,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2023-11-26 10:47:35,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2023-11-26 10:47:35,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2023-11-26 10:47:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2023-11-26 10:47:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2023-11-26 10:47:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2023-11-26 10:47:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2023-11-26 10:47:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2023-11-26 10:47:35,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2023-11-26 10:47:35,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 10:47:35,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_max16065_data [2023-11-26 10:47:35,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_max16065_data [2023-11-26 10:47:35,447 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_read_byte_data [2023-11-26 10:47:35,447 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_byte_data [2023-11-26 10:47:35,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-26 10:47:35,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-26 10:47:35,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-26 10:47:35,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-26 10:47:35,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2023-11-26 10:47:35,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2023-11-26 10:47:35,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2023-11-26 10:47:35,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2023-11-26 10:47:35,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2023-11-26 10:47:35,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2023-11-26 10:47:35,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2023-11-26 10:47:35,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2023-11-26 10:47:35,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2023-11-26 10:47:35,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2023-11-26 10:47:35,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2023-11-26 10:47:35,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2023-11-26 10:47:35,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2023-11-26 10:47:35,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2023-11-26 10:47:35,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2023-11-26 10:47:35,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2023-11-26 10:47:35,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2023-11-26 10:47:35,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2023-11-26 10:47:35,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2023-11-26 10:47:35,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2023-11-26 10:47:35,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 10:47:35,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-26 10:47:35,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-26 10:47:35,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2023-11-26 10:47:35,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2023-11-26 10:47:35,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2023-11-26 10:47:35,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2023-11-26 10:47:35,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2023-11-26 10:47:35,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2023-11-26 10:47:35,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2023-11-26 10:47:35,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2023-11-26 10:47:35,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2023-11-26 10:47:35,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2023-11-26 10:47:35,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2023-11-26 10:47:35,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2023-11-26 10:47:35,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2023-11-26 10:47:35,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2023-11-26 10:47:35,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2023-11-26 10:47:35,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2023-11-26 10:47:35,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2023-11-26 10:47:35,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2023-11-26 10:47:35,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2023-11-26 10:47:35,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2023-11-26 10:47:35,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2023-11-26 10:47:35,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2023-11-26 10:47:35,469 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_cleanup [2023-11-26 10:47:35,469 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_cleanup [2023-11-26 10:47:35,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 10:47:35,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-26 10:47:35,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-26 10:47:35,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-26 10:47:35,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-26 10:47:35,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-26 10:47:35,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-26 10:47:35,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-26 10:47:35,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-11-26 10:47:35,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-11-26 10:47:35,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-11-26 10:47:35,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-11-26 10:47:35,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2023-11-26 10:47:35,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2023-11-26 10:47:35,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2023-11-26 10:47:35,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2023-11-26 10:47:35,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2023-11-26 10:47:35,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2023-11-26 10:47:35,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2023-11-26 10:47:35,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2023-11-26 10:47:35,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2023-11-26 10:47:35,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2023-11-26 10:47:35,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2023-11-26 10:47:35,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2023-11-26 10:47:35,480 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_write_byte_data [2023-11-26 10:47:35,480 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_write_byte_data [2023-11-26 10:47:35,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:47:35,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:47:35,480 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_file [2023-11-26 10:47:35,480 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_file [2023-11-26 10:47:35,480 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-26 10:47:35,481 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-26 10:47:36,272 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:47:36,275 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:47:42,690 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:47:44,086 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:47:44,086 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-26 10:47:44,087 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:47:44 BoogieIcfgContainer [2023-11-26 10:47:44,088 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:47:44,091 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 10:47:44,092 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 10:47:44,095 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 10:47:44,096 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 10:47:32" (1/3) ... [2023-11-26 10:47:44,097 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32da145b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:47:44, skipping insertion in model container [2023-11-26 10:47:44,097 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:34" (2/3) ... [2023-11-26 10:47:44,099 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32da145b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:47:44, skipping insertion in model container [2023-11-26 10:47:44,099 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:47:44" (3/3) ... [2023-11-26 10:47:44,100 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--hwmon--max16065.ko-main.cil.out.i [2023-11-26 10:47:44,122 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 10:47:44,122 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 10:47:44,223 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 10:47:44,231 INFO L357 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, mHoare=true, 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;@7e37e1bc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 10:47:44,232 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 10:47:44,254 INFO L276 IsEmpty]: Start isEmpty. Operand has 987 states, 782 states have (on average 1.707161125319693) internal successors, (1335), 789 states have internal predecessors, (1335), 182 states have call successors, (182), 21 states have call predecessors, (182), 21 states have return successors, (182), 182 states have call predecessors, (182), 182 states have call successors, (182) [2023-11-26 10:47:44,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-26 10:47:44,274 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:47:44,275 INFO L195 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] [2023-11-26 10:47:44,276 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:47:44,281 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:47:44,281 INFO L85 PathProgramCache]: Analyzing trace with hash -1992223235, now seen corresponding path program 1 times [2023-11-26 10:47:44,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:47:44,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561185762] [2023-11-26 10:47:44,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:44,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:47:44,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:45,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-26 10:47:45,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:45,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:47:45,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:45,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:47:45,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:47:45,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561185762] [2023-11-26 10:47:45,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1561185762] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:47:45,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:47:45,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 10:47:45,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144972943] [2023-11-26 10:47:45,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:47:45,628 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 10:47:45,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:47:45,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 10:47:45,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 10:47:45,668 INFO L87 Difference]: Start difference. First operand has 987 states, 782 states have (on average 1.707161125319693) internal successors, (1335), 789 states have internal predecessors, (1335), 182 states have call successors, (182), 21 states have call predecessors, (182), 21 states have return successors, (182), 182 states have call predecessors, (182), 182 states have call successors, (182) Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-26 10:47:47,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:47:47,816 INFO L93 Difference]: Finished difference Result 3056 states and 5668 transitions. [2023-11-26 10:47:47,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 10:47:47,818 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 29 [2023-11-26 10:47:47,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:47:47,869 INFO L225 Difference]: With dead ends: 3056 [2023-11-26 10:47:47,869 INFO L226 Difference]: Without dead ends: 2066 [2023-11-26 10:47:47,888 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:47:47,892 INFO L413 NwaCegarLoop]: 1529 mSDtfsCounter, 1854 mSDsluCounter, 2789 mSDsCounter, 0 mSdLazyCounter, 624 mSolverCounterSat, 431 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1986 SdHoareTripleChecker+Valid, 4318 SdHoareTripleChecker+Invalid, 1055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 431 IncrementalHoareTripleChecker+Valid, 624 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-11-26 10:47:47,894 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1986 Valid, 4318 Invalid, 1055 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [431 Valid, 624 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-11-26 10:47:47,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2066 states. [2023-11-26 10:47:48,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2066 to 1949. [2023-11-26 10:47:48,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1949 states, 1551 states have (on average 1.7047066408768536) internal successors, (2644), 1556 states have internal predecessors, (2644), 357 states have call successors, (357), 41 states have call predecessors, (357), 40 states have return successors, (351), 351 states have call predecessors, (351), 351 states have call successors, (351) [2023-11-26 10:47:48,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1949 states to 1949 states and 3352 transitions. [2023-11-26 10:47:48,202 INFO L78 Accepts]: Start accepts. Automaton has 1949 states and 3352 transitions. Word has length 29 [2023-11-26 10:47:48,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:47:48,203 INFO L495 AbstractCegarLoop]: Abstraction has 1949 states and 3352 transitions. [2023-11-26 10:47:48,203 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-26 10:47:48,204 INFO L276 IsEmpty]: Start isEmpty. Operand 1949 states and 3352 transitions. [2023-11-26 10:47:48,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-26 10:47:48,208 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:47:48,208 INFO L195 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] [2023-11-26 10:47:48,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 10:47:48,209 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:47:48,209 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:47:48,210 INFO L85 PathProgramCache]: Analyzing trace with hash 1464286140, now seen corresponding path program 1 times [2023-11-26 10:47:48,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:47:48,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186233821] [2023-11-26 10:47:48,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:48,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:47:48,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:49,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-26 10:47:49,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:49,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:47:49,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:49,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:47:49,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:47:49,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186233821] [2023-11-26 10:47:49,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186233821] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:47:49,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:47:49,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 10:47:49,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288308225] [2023-11-26 10:47:49,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:47:49,048 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 10:47:49,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:47:49,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 10:47:49,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 10:47:49,052 INFO L87 Difference]: Start difference. First operand 1949 states and 3352 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-26 10:47:51,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:47:51,220 INFO L93 Difference]: Finished difference Result 6043 states and 10648 transitions. [2023-11-26 10:47:51,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 10:47:51,221 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 33 [2023-11-26 10:47:51,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:47:51,272 INFO L225 Difference]: With dead ends: 6043 [2023-11-26 10:47:51,272 INFO L226 Difference]: Without dead ends: 4095 [2023-11-26 10:47:51,287 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:47:51,290 INFO L413 NwaCegarLoop]: 1537 mSDtfsCounter, 1848 mSDsluCounter, 2775 mSDsCounter, 0 mSdLazyCounter, 618 mSolverCounterSat, 438 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1979 SdHoareTripleChecker+Valid, 4312 SdHoareTripleChecker+Invalid, 1056 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 438 IncrementalHoareTripleChecker+Valid, 618 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-11-26 10:47:51,291 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1979 Valid, 4312 Invalid, 1056 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [438 Valid, 618 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-11-26 10:47:51,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4095 states. [2023-11-26 10:47:51,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4095 to 3874. [2023-11-26 10:47:51,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3874 states, 3087 states have (on average 1.7045675413022352) internal successors, (5262), 3092 states have internal predecessors, (5262), 706 states have call successors, (706), 81 states have call predecessors, (706), 80 states have return successors, (700), 700 states have call predecessors, (700), 700 states have call successors, (700) [2023-11-26 10:47:51,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3874 states to 3874 states and 6668 transitions. [2023-11-26 10:47:51,667 INFO L78 Accepts]: Start accepts. Automaton has 3874 states and 6668 transitions. Word has length 33 [2023-11-26 10:47:51,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:47:51,668 INFO L495 AbstractCegarLoop]: Abstraction has 3874 states and 6668 transitions. [2023-11-26 10:47:51,668 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-26 10:47:51,668 INFO L276 IsEmpty]: Start isEmpty. Operand 3874 states and 6668 transitions. [2023-11-26 10:47:51,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-26 10:47:51,674 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:47:51,674 INFO L195 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] [2023-11-26 10:47:51,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 10:47:51,674 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:47:51,675 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:47:51,675 INFO L85 PathProgramCache]: Analyzing trace with hash -1694010900, now seen corresponding path program 1 times [2023-11-26 10:47:51,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:47:51,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18341154] [2023-11-26 10:47:51,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:51,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:47:51,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:52,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-26 10:47:52,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:52,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:47:52,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:52,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:47:52,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:47:52,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18341154] [2023-11-26 10:47:52,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18341154] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:47:52,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:47:52,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 10:47:52,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769003227] [2023-11-26 10:47:52,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:47:52,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 10:47:52,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:47:52,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 10:47:52,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 10:47:52,560 INFO L87 Difference]: Start difference. First operand 3874 states and 6668 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-26 10:47:54,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:47:54,973 INFO L93 Difference]: Finished difference Result 12016 states and 21186 transitions. [2023-11-26 10:47:54,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 10:47:54,974 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 30 [2023-11-26 10:47:54,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:47:55,050 INFO L225 Difference]: With dead ends: 12016 [2023-11-26 10:47:55,050 INFO L226 Difference]: Without dead ends: 8143 [2023-11-26 10:47:55,073 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:47:55,075 INFO L413 NwaCegarLoop]: 1640 mSDtfsCounter, 1824 mSDsluCounter, 2877 mSDsCounter, 0 mSdLazyCounter, 628 mSolverCounterSat, 414 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1896 SdHoareTripleChecker+Valid, 4517 SdHoareTripleChecker+Invalid, 1042 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 414 IncrementalHoareTripleChecker+Valid, 628 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:47:55,076 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1896 Valid, 4517 Invalid, 1042 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [414 Valid, 628 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-11-26 10:47:55,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8143 states. [2023-11-26 10:47:55,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8143 to 7714. [2023-11-26 10:47:55,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7714 states, 6151 states have (on average 1.704113152332954) internal successors, (10482), 6156 states have internal predecessors, (10482), 1402 states have call successors, (1402), 161 states have call predecessors, (1402), 160 states have return successors, (1396), 1396 states have call predecessors, (1396), 1396 states have call successors, (1396) [2023-11-26 10:47:55,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7714 states to 7714 states and 13280 transitions. [2023-11-26 10:47:55,867 INFO L78 Accepts]: Start accepts. Automaton has 7714 states and 13280 transitions. Word has length 30 [2023-11-26 10:47:55,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:47:55,868 INFO L495 AbstractCegarLoop]: Abstraction has 7714 states and 13280 transitions. [2023-11-26 10:47:55,868 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-26 10:47:55,869 INFO L276 IsEmpty]: Start isEmpty. Operand 7714 states and 13280 transitions. [2023-11-26 10:47:55,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-26 10:47:55,874 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:47:55,874 INFO L195 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] [2023-11-26 10:47:55,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 10:47:55,875 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:47:55,875 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:47:55,876 INFO L85 PathProgramCache]: Analyzing trace with hash -1293096662, now seen corresponding path program 1 times [2023-11-26 10:47:55,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:47:55,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173593513] [2023-11-26 10:47:55,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:55,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:47:56,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:56,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:47:56,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173593513] [2023-11-26 10:47:56,279 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-26 10:47:56,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [574775072] [2023-11-26 10:47:56,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:56,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:47:56,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c396b0-1c17-41f1-a86e-69c4fe7901d8/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:47:56,291 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c396b0-1c17-41f1-a86e-69c4fe7901d8/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:47:56,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c396b0-1c17-41f1-a86e-69c4fe7901d8/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-26 10:47:58,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:58,664 INFO L262 TraceCheckSpWp]: Trace formula consists of 6778 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 10:47:58,683 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:47:58,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:47:58,722 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:47:58,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [574775072] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:47:58,723 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:47:58,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:47:58,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137055353] [2023-11-26 10:47:58,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:47:58,724 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:47:58,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:47:58,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:47:58,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:47:58,726 INFO L87 Difference]: Start difference. First operand 7714 states and 13280 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-26 10:47:59,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:47:59,976 INFO L93 Difference]: Finished difference Result 23108 states and 39790 transitions. [2023-11-26 10:47:59,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:47:59,977 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 38 [2023-11-26 10:47:59,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:48:00,146 INFO L225 Difference]: With dead ends: 23108 [2023-11-26 10:48:00,147 INFO L226 Difference]: Without dead ends: 15395 [2023-11-26 10:48:00,204 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:48:00,214 INFO L413 NwaCegarLoop]: 1596 mSDtfsCounter, 1669 mSDsluCounter, 1562 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1669 SdHoareTripleChecker+Valid, 3158 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-26 10:48:00,216 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1669 Valid, 3158 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-26 10:48:00,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15395 states. [2023-11-26 10:48:01,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15395 to 15382. [2023-11-26 10:48:01,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15382 states, 12279 states have (on average 1.703884681162961) internal successors, (20922), 12284 states have internal predecessors, (20922), 2782 states have call successors, (2782), 321 states have call predecessors, (2782), 320 states have return successors, (2776), 2776 states have call predecessors, (2776), 2776 states have call successors, (2776) [2023-11-26 10:48:01,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15382 states to 15382 states and 26480 transitions. [2023-11-26 10:48:01,545 INFO L78 Accepts]: Start accepts. Automaton has 15382 states and 26480 transitions. Word has length 38 [2023-11-26 10:48:01,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:48:01,546 INFO L495 AbstractCegarLoop]: Abstraction has 15382 states and 26480 transitions. [2023-11-26 10:48:01,547 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-26 10:48:01,547 INFO L276 IsEmpty]: Start isEmpty. Operand 15382 states and 26480 transitions. [2023-11-26 10:48:01,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-26 10:48:01,550 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:48:01,550 INFO L195 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] [2023-11-26 10:48:01,581 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c396b0-1c17-41f1-a86e-69c4fe7901d8/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-26 10:48:01,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c396b0-1c17-41f1-a86e-69c4fe7901d8/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:48:01,764 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:48:01,765 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:48:01,765 INFO L85 PathProgramCache]: Analyzing trace with hash -579246429, now seen corresponding path program 1 times [2023-11-26 10:48:01,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:48:01,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518465984] [2023-11-26 10:48:01,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:01,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:48:02,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:02,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:48:02,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518465984] [2023-11-26 10:48:02,142 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-26 10:48:02,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [85027557] [2023-11-26 10:48:02,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:02,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:48:02,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c396b0-1c17-41f1-a86e-69c4fe7901d8/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:48:02,144 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c396b0-1c17-41f1-a86e-69c4fe7901d8/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:48:02,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c396b0-1c17-41f1-a86e-69c4fe7901d8/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-26 10:48:04,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:04,218 INFO L262 TraceCheckSpWp]: Trace formula consists of 6772 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 10:48:04,234 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:48:04,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:48:04,259 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:48:04,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [85027557] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:48:04,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:48:04,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:48:04,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113739165] [2023-11-26 10:48:04,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:48:04,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:48:04,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:48:04,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:48:04,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:48:04,262 INFO L87 Difference]: Start difference. First operand 15382 states and 26480 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-26 10:48:05,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:48:05,792 INFO L93 Difference]: Finished difference Result 46080 states and 79342 transitions. [2023-11-26 10:48:05,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:48:05,793 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 35 [2023-11-26 10:48:05,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:48:05,986 INFO L225 Difference]: With dead ends: 46080 [2023-11-26 10:48:05,986 INFO L226 Difference]: Without dead ends: 30699 [2023-11-26 10:48:06,064 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:48:06,066 INFO L413 NwaCegarLoop]: 1604 mSDtfsCounter, 1672 mSDsluCounter, 1562 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1672 SdHoareTripleChecker+Valid, 3166 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-26 10:48:06,066 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1672 Valid, 3166 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-26 10:48:06,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30699 states. [2023-11-26 10:48:08,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30699 to 30686. [2023-11-26 10:48:08,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30686 states, 24519 states have (on average 1.7035768179778947) internal successors, (41770), 24524 states have internal predecessors, (41770), 5526 states have call successors, (5526), 641 states have call predecessors, (5526), 640 states have return successors, (5520), 5520 states have call predecessors, (5520), 5520 states have call successors, (5520) [2023-11-26 10:48:08,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30686 states to 30686 states and 52816 transitions. [2023-11-26 10:48:08,701 INFO L78 Accepts]: Start accepts. Automaton has 30686 states and 52816 transitions. Word has length 35 [2023-11-26 10:48:08,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:48:08,702 INFO L495 AbstractCegarLoop]: Abstraction has 30686 states and 52816 transitions. [2023-11-26 10:48:08,702 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-26 10:48:08,703 INFO L276 IsEmpty]: Start isEmpty. Operand 30686 states and 52816 transitions. [2023-11-26 10:48:08,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-26 10:48:08,707 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:48:08,708 INFO L195 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] [2023-11-26 10:48:08,737 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c396b0-1c17-41f1-a86e-69c4fe7901d8/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-26 10:48:08,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c396b0-1c17-41f1-a86e-69c4fe7901d8/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:48:08,929 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:48:08,930 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:48:08,930 INFO L85 PathProgramCache]: Analyzing trace with hash -374329890, now seen corresponding path program 1 times [2023-11-26 10:48:08,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:48:08,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702561806] [2023-11-26 10:48:08,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:08,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:48:09,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:09,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:48:09,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702561806] [2023-11-26 10:48:09,369 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-26 10:48:09,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2045617834] [2023-11-26 10:48:09,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:09,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:48:09,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c396b0-1c17-41f1-a86e-69c4fe7901d8/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:48:09,371 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c396b0-1c17-41f1-a86e-69c4fe7901d8/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:48:09,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c396b0-1c17-41f1-a86e-69c4fe7901d8/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-26 10:48:11,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:11,977 INFO L262 TraceCheckSpWp]: Trace formula consists of 6768 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 10:48:12,002 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:48:12,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:48:12,030 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:48:12,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2045617834] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:48:12,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:48:12,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:48:12,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656221600] [2023-11-26 10:48:12,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:48:12,032 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:48:12,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:48:12,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:48:12,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:48:12,034 INFO L87 Difference]: Start difference. First operand 30686 states and 52816 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)