./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-9.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-9.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash aa8cc58df8fe09b61997a2de9d9c5e7a83d2492c15b287abd5439e2c29784fc7 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:47:13,198 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:47:13,281 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 16:47:13,289 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:47:13,292 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:47:13,333 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:47:13,333 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:47:13,334 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:47:13,334 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 16:47:13,335 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 16:47:13,335 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 16:47:13,335 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 16:47:13,336 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:47:13,338 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:47:13,338 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:47:13,339 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:47:13,339 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 16:47:13,342 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 16:47:13,342 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 16:47:13,343 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 16:47:13,343 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:47:13,348 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 16:47:13,348 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 16:47:13,348 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 16:47:13,349 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:47:13,349 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 16:47:13,349 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:47:13,349 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:47:13,350 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:47:13,350 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:47:13,350 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 16:47:13,350 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 16:47:13,351 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:47:13,351 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:47:13,351 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 16:47:13,352 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 16:47:13,353 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 16:47:13,353 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 16:47:13,354 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 16:47:13,354 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 16:47:13,354 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 16:47:13,355 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 16:47:13,355 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_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa8cc58df8fe09b61997a2de9d9c5e7a83d2492c15b287abd5439e2c29784fc7 [2024-11-08 16:47:13,637 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:47:13,662 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:47:13,665 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:47:13,667 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:47:13,667 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:47:13,669 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-9.i Unable to find full path for "g++" [2024-11-08 16:47:15,718 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:47:15,923 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:47:15,924 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-9.i [2024-11-08 16:47:15,953 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/data/763970a20/da21a13c374f417e9c6f9bb38989dc21/FLAG7e01cba8d [2024-11-08 16:47:15,971 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/data/763970a20/da21a13c374f417e9c6f9bb38989dc21 [2024-11-08 16:47:15,974 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:47:15,975 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:47:15,977 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:47:15,977 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:47:15,986 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:47:15,987 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:47:15" (1/1) ... [2024-11-08 16:47:15,988 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49b35a5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:47:15, skipping insertion in model container [2024-11-08 16:47:15,988 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:47:15" (1/1) ... [2024-11-08 16:47:16,040 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:47:16,208 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_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-9.i[915,928] [2024-11-08 16:47:16,271 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:47:16,283 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:47:16,295 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_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-9.i[915,928] [2024-11-08 16:47:16,322 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:47:16,348 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:47:16,349 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:47:16 WrapperNode [2024-11-08 16:47:16,349 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:47:16,350 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:47:16,350 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:47:16,350 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:47:16,358 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:47:16" (1/1) ... [2024-11-08 16:47:16,372 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:47:16" (1/1) ... [2024-11-08 16:47:16,404 INFO L138 Inliner]: procedures = 29, calls = 111, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 366 [2024-11-08 16:47:16,404 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:47:16,405 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:47:16,405 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:47:16,405 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:47:16,422 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:47:16" (1/1) ... [2024-11-08 16:47:16,423 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:47:16" (1/1) ... [2024-11-08 16:47:16,431 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:47:16" (1/1) ... [2024-11-08 16:47:16,457 INFO L175 MemorySlicer]: Split 86 memory accesses to 10 slices as follows [2, 10, 18, 6, 3, 3, 14, 8, 14, 8]. 21 percent of accesses are in the largest equivalence class. The 11 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 13 writes are split as follows [0, 4, 1, 1, 1, 1, 1, 1, 2, 1]. [2024-11-08 16:47:16,457 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:47:16" (1/1) ... [2024-11-08 16:47:16,457 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:47:16" (1/1) ... [2024-11-08 16:47:16,470 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:47:16" (1/1) ... [2024-11-08 16:47:16,475 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:47:16" (1/1) ... [2024-11-08 16:47:16,479 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:47:16" (1/1) ... [2024-11-08 16:47:16,481 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:47:16" (1/1) ... [2024-11-08 16:47:16,490 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:47:16,491 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:47:16,491 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:47:16,491 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:47:16,492 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:47:16" (1/1) ... [2024-11-08 16:47:16,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:47:16,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:47:16,534 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 16:47:16,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 16:47:16,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 16:47:16,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-08 16:47:16,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-08 16:47:16,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-11-08 16:47:16,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-11-08 16:47:16,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-11-08 16:47:16,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-11-08 16:47:16,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-11-08 16:47:16,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2024-11-08 16:47:16,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2024-11-08 16:47:16,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2024-11-08 16:47:16,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-08 16:47:16,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-08 16:47:16,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-08 16:47:16,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-08 16:47:16,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-08 16:47:16,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-08 16:47:16,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-08 16:47:16,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-08 16:47:16,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-08 16:47:16,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-08 16:47:16,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-08 16:47:16,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-08 16:47:16,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-11-08 16:47:16,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-11-08 16:47:16,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-11-08 16:47:16,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-11-08 16:47:16,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-11-08 16:47:16,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2024-11-08 16:47:16,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2024-11-08 16:47:16,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#9 [2024-11-08 16:47:16,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-08 16:47:16,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-08 16:47:16,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-08 16:47:16,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-08 16:47:16,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-08 16:47:16,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-08 16:47:16,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-08 16:47:16,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-08 16:47:16,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-08 16:47:16,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-08 16:47:16,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-11-08 16:47:16,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-11-08 16:47:16,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-11-08 16:47:16,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-11-08 16:47:16,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-11-08 16:47:16,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-11-08 16:47:16,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2024-11-08 16:47:16,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2024-11-08 16:47:16,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#8 [2024-11-08 16:47:16,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#9 [2024-11-08 16:47:16,586 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 16:47:16,586 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 16:47:16,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 16:47:16,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-08 16:47:16,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-08 16:47:16,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-08 16:47:16,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-08 16:47:16,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-08 16:47:16,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-08 16:47:16,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-08 16:47:16,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-08 16:47:16,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-08 16:47:16,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:47:16,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:47:16,792 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:47:16,794 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:47:17,345 INFO L? ?]: Removed 81 outVars from TransFormulas that were not future-live. [2024-11-08 16:47:17,346 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:47:17,360 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:47:17,360 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 16:47:17,361 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:47:17 BoogieIcfgContainer [2024-11-08 16:47:17,361 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:47:17,367 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 16:47:17,367 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 16:47:17,375 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 16:47:17,376 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:47:15" (1/3) ... [2024-11-08 16:47:17,379 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40fa3925 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:47:17, skipping insertion in model container [2024-11-08 16:47:17,379 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:47:16" (2/3) ... [2024-11-08 16:47:17,380 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40fa3925 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:47:17, skipping insertion in model container [2024-11-08 16:47:17,380 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:47:17" (3/3) ... [2024-11-08 16:47:17,382 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-9.i [2024-11-08 16:47:17,399 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 16:47:17,399 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 16:47:17,477 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 16:47:17,482 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;@21a16ac9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 16:47:17,483 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 16:47:17,487 INFO L276 IsEmpty]: Start isEmpty. Operand has 76 states, 68 states have (on average 1.4264705882352942) internal successors, (97), 69 states have internal predecessors, (97), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-08 16:47:17,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-08 16:47:17,496 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:47:17,497 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:47:17,498 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:47:17,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:47:17,503 INFO L85 PathProgramCache]: Analyzing trace with hash -283180228, now seen corresponding path program 1 times [2024-11-08 16:47:17,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:47:17,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302578165] [2024-11-08 16:47:17,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:47:17,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:47:17,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:47:17,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 16:47:17,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:47:17,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 16:47:17,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:47:17,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 16:47:17,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:47:17,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 16:47:17,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:47:17,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 16:47:17,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:47:17,848 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 16:47:17,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:47:17,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302578165] [2024-11-08 16:47:17,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302578165] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:47:17,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:47:17,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:47:17,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434267917] [2024-11-08 16:47:17,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:47:17,863 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 16:47:17,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:47:17,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 16:47:17,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 16:47:17,895 INFO L87 Difference]: Start difference. First operand has 76 states, 68 states have (on average 1.4264705882352942) internal successors, (97), 69 states have internal predecessors, (97), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-08 16:47:17,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:47:17,930 INFO L93 Difference]: Finished difference Result 145 states and 213 transitions. [2024-11-08 16:47:17,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 16:47:17,933 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) Word has length 62 [2024-11-08 16:47:17,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:47:17,942 INFO L225 Difference]: With dead ends: 145 [2024-11-08 16:47:17,942 INFO L226 Difference]: Without dead ends: 72 [2024-11-08 16:47:17,947 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 16:47:17,952 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:47:17,954 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:47:17,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-11-08 16:47:17,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2024-11-08 16:47:17,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 65 states have (on average 1.3846153846153846) internal successors, (90), 65 states have internal predecessors, (90), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-08 16:47:17,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 100 transitions. [2024-11-08 16:47:17,997 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 100 transitions. Word has length 62 [2024-11-08 16:47:17,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:47:17,998 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 100 transitions. [2024-11-08 16:47:17,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-08 16:47:17,998 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 100 transitions. [2024-11-08 16:47:18,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-08 16:47:18,001 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:47:18,001 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:47:18,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 16:47:18,002 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:47:18,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:47:18,003 INFO L85 PathProgramCache]: Analyzing trace with hash 340751618, now seen corresponding path program 1 times [2024-11-08 16:47:18,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:47:18,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556066877] [2024-11-08 16:47:18,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:47:18,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:47:18,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:47:18,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 16:47:18,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:47:18,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 16:47:18,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:47:18,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 16:47:18,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:47:18,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 16:47:18,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:47:18,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 16:47:18,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:47:18,440 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 16:47:18,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:47:18,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556066877] [2024-11-08 16:47:18,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556066877] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:47:18,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:47:18,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 16:47:18,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709958224] [2024-11-08 16:47:18,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:47:18,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 16:47:18,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:47:18,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 16:47:18,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 16:47:18,445 INFO L87 Difference]: Start difference. First operand 72 states and 100 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:47:18,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:47:18,488 INFO L93 Difference]: Finished difference Result 144 states and 201 transitions. [2024-11-08 16:47:18,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 16:47:18,489 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 62 [2024-11-08 16:47:18,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:47:18,490 INFO L225 Difference]: With dead ends: 144 [2024-11-08 16:47:18,491 INFO L226 Difference]: Without dead ends: 75 [2024-11-08 16:47:18,491 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 16:47:18,493 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 1 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:47:18,493 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 280 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:47:18,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2024-11-08 16:47:18,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 74. [2024-11-08 16:47:18,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 67 states have (on average 1.373134328358209) internal successors, (92), 67 states have internal predecessors, (92), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-08 16:47:18,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 102 transitions. [2024-11-08 16:47:18,504 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 102 transitions. Word has length 62 [2024-11-08 16:47:18,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:47:18,506 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 102 transitions. [2024-11-08 16:47:18,506 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:47:18,506 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 102 transitions. [2024-11-08 16:47:18,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-08 16:47:18,508 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:47:18,509 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:47:18,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 16:47:18,509 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:47:18,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:47:18,510 INFO L85 PathProgramCache]: Analyzing trace with hash 1041816196, now seen corresponding path program 1 times [2024-11-08 16:47:18,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:47:18,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035177221] [2024-11-08 16:47:18,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:47:18,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:47:18,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:47:18,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 16:47:18,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:47:18,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 16:47:18,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:47:18,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 16:47:18,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:47:18,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 16:47:18,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:47:18,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 16:47:18,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:47:18,964 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 16:47:18,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:47:18,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035177221] [2024-11-08 16:47:18,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035177221] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:47:18,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:47:18,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 16:47:18,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572593501] [2024-11-08 16:47:18,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:47:18,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 16:47:18,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:47:18,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 16:47:18,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-08 16:47:18,971 INFO L87 Difference]: Start difference. First operand 74 states and 102 transitions. Second operand has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-08 16:47:19,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:47:19,236 INFO L93 Difference]: Finished difference Result 263 states and 366 transitions. [2024-11-08 16:47:19,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 16:47:19,236 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) Word has length 62 [2024-11-08 16:47:19,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:47:19,238 INFO L225 Difference]: With dead ends: 263 [2024-11-08 16:47:19,238 INFO L226 Difference]: Without dead ends: 192 [2024-11-08 16:47:19,239 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:47:19,240 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 319 mSDsluCounter, 421 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 319 SdHoareTripleChecker+Valid, 503 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 16:47:19,241 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [319 Valid, 503 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 16:47:19,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2024-11-08 16:47:19,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 141. [2024-11-08 16:47:19,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 128 states have (on average 1.375) internal successors, (176), 128 states have internal predecessors, (176), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-08 16:47:19,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 196 transitions. [2024-11-08 16:47:19,258 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 196 transitions. Word has length 62 [2024-11-08 16:47:19,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:47:19,259 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 196 transitions. [2024-11-08 16:47:19,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-08 16:47:19,259 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 196 transitions. [2024-11-08 16:47:19,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-08 16:47:19,261 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:47:19,261 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:47:19,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 16:47:19,262 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:47:19,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:47:19,262 INFO L85 PathProgramCache]: Analyzing trace with hash -1970785050, now seen corresponding path program 1 times [2024-11-08 16:47:19,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:47:19,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207588791] [2024-11-08 16:47:19,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:47:19,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:47:19,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:47:19,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 16:47:19,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:47:19,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 16:47:19,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:47:19,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 16:47:19,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:47:19,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 16:47:19,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:47:19,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 16:47:19,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:47:19,438 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 16:47:19,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:47:19,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207588791] [2024-11-08 16:47:19,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207588791] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:47:19,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:47:19,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 16:47:19,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541025020] [2024-11-08 16:47:19,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:47:19,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 16:47:19,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:47:19,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 16:47:19,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 16:47:19,445 INFO L87 Difference]: Start difference. First operand 141 states and 196 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:47:19,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:47:19,478 INFO L93 Difference]: Finished difference Result 285 states and 397 transitions. [2024-11-08 16:47:19,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 16:47:19,485 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 63 [2024-11-08 16:47:19,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:47:19,486 INFO L225 Difference]: With dead ends: 285 [2024-11-08 16:47:19,487 INFO L226 Difference]: Without dead ends: 147 [2024-11-08 16:47:19,487 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 16:47:19,490 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 1 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:47:19,491 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 281 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:47:19,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2024-11-08 16:47:19,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 145. [2024-11-08 16:47:19,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 132 states have (on average 1.3636363636363635) internal successors, (180), 132 states have internal predecessors, (180), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-08 16:47:19,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 200 transitions. [2024-11-08 16:47:19,513 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 200 transitions. Word has length 63 [2024-11-08 16:47:19,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:47:19,514 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 200 transitions. [2024-11-08 16:47:19,514 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:47:19,518 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 200 transitions. [2024-11-08 16:47:19,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-08 16:47:19,520 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:47:19,520 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:47:19,520 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 16:47:19,520 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:47:19,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:47:19,521 INFO L85 PathProgramCache]: Analyzing trace with hash -1290726680, now seen corresponding path program 1 times [2024-11-08 16:47:19,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:47:19,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729943151] [2024-11-08 16:47:19,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:47:19,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:47:19,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:47:19,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 16:47:19,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:47:19,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 16:47:19,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:47:19,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 16:47:19,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:47:19,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 16:47:19,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:47:19,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 16:47:19,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:47:19,693 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 16:47:19,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:47:19,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729943151] [2024-11-08 16:47:19,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729943151] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:47:19,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:47:19,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 16:47:19,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927925079] [2024-11-08 16:47:19,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:47:19,695 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 16:47:19,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:47:19,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 16:47:19,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 16:47:19,696 INFO L87 Difference]: Start difference. First operand 145 states and 200 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:47:19,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:47:19,728 INFO L93 Difference]: Finished difference Result 293 states and 405 transitions. [2024-11-08 16:47:19,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 16:47:19,730 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 63 [2024-11-08 16:47:19,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:47:19,732 INFO L225 Difference]: With dead ends: 293 [2024-11-08 16:47:19,732 INFO L226 Difference]: Without dead ends: 151 [2024-11-08 16:47:19,732 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 16:47:19,738 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 1 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:47:19,738 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 282 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:47:19,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2024-11-08 16:47:19,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 149. [2024-11-08 16:47:19,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 136 states have (on average 1.3529411764705883) internal successors, (184), 136 states have internal predecessors, (184), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-08 16:47:19,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 204 transitions. [2024-11-08 16:47:19,758 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 204 transitions. Word has length 63 [2024-11-08 16:47:19,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:47:19,763 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 204 transitions. [2024-11-08 16:47:19,763 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:47:19,763 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 204 transitions. [2024-11-08 16:47:19,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-08 16:47:19,768 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:47:19,768 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:47:19,768 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 16:47:19,768 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:47:19,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:47:19,769 INFO L85 PathProgramCache]: Analyzing trace with hash -1288879638, now seen corresponding path program 1 times [2024-11-08 16:47:19,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:47:19,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017270003] [2024-11-08 16:47:19,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:47:19,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:47:19,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:47:20,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 16:47:20,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:47:20,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 16:47:20,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:47:20,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 16:47:20,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:47:20,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 16:47:20,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:47:20,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 16:47:20,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:47:20,798 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 16:47:20,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:47:20,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017270003] [2024-11-08 16:47:20,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017270003] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:47:20,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:47:20,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 16:47:20,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772838424] [2024-11-08 16:47:20,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:47:20,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:47:20,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:47:20,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:47:20,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:47:20,802 INFO L87 Difference]: Start difference. First operand 149 states and 204 transitions. Second operand has 9 states, 8 states have (on average 5.125) internal successors, (41), 9 states have internal predecessors, (41), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-08 16:47:21,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:47:21,150 INFO L93 Difference]: Finished difference Result 301 states and 413 transitions. [2024-11-08 16:47:21,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 16:47:21,153 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.125) internal successors, (41), 9 states have internal predecessors, (41), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) Word has length 63 [2024-11-08 16:47:21,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:47:21,154 INFO L225 Difference]: With dead ends: 301 [2024-11-08 16:47:21,154 INFO L226 Difference]: Without dead ends: 155 [2024-11-08 16:47:21,155 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-11-08 16:47:21,155 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 232 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 16:47:21,156 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [232 Valid, 392 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 16:47:21,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2024-11-08 16:47:21,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 153. [2024-11-08 16:47:21,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 140 states have (on average 1.3428571428571427) internal successors, (188), 140 states have internal predecessors, (188), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-08 16:47:21,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 208 transitions. [2024-11-08 16:47:21,180 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 208 transitions. Word has length 63 [2024-11-08 16:47:21,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:47:21,184 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 208 transitions. [2024-11-08 16:47:21,185 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.125) internal successors, (41), 9 states have internal predecessors, (41), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-08 16:47:21,185 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 208 transitions. [2024-11-08 16:47:21,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-08 16:47:21,186 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:47:21,186 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:47:21,186 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 16:47:21,186 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:47:21,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:47:21,187 INFO L85 PathProgramCache]: Analyzing trace with hash -901986062, now seen corresponding path program 1 times [2024-11-08 16:47:21,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:47:21,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713227575] [2024-11-08 16:47:21,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:47:21,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:47:21,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:47:21,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 16:47:21,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:47:21,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 16:47:21,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:47:21,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 16:47:21,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:47:21,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 16:47:21,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:47:21,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 16:47:21,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:47:21,356 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 16:47:21,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:47:21,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713227575] [2024-11-08 16:47:21,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713227575] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:47:21,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:47:21,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 16:47:21,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393039204] [2024-11-08 16:47:21,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:47:21,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 16:47:21,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:47:21,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 16:47:21,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 16:47:21,360 INFO L87 Difference]: Start difference. First operand 153 states and 208 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:47:21,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:47:21,474 INFO L93 Difference]: Finished difference Result 411 states and 557 transitions. [2024-11-08 16:47:21,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 16:47:21,475 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 67 [2024-11-08 16:47:21,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:47:21,477 INFO L225 Difference]: With dead ends: 411 [2024-11-08 16:47:21,477 INFO L226 Difference]: Without dead ends: 261 [2024-11-08 16:47:21,477 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:47:21,478 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 69 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:47:21,479 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 329 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 16:47:21,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2024-11-08 16:47:21,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 157. [2024-11-08 16:47:21,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 144 states have (on average 1.3333333333333333) internal successors, (192), 144 states have internal predecessors, (192), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-08 16:47:21,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 212 transitions. [2024-11-08 16:47:21,498 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 212 transitions. Word has length 67 [2024-11-08 16:47:21,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:47:21,498 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 212 transitions. [2024-11-08 16:47:21,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:47:21,498 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 212 transitions. [2024-11-08 16:47:21,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-08 16:47:21,499 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:47:21,500 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:47:21,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 16:47:21,500 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:47:21,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:47:21,500 INFO L85 PathProgramCache]: Analyzing trace with hash 294187038, now seen corresponding path program 1 times [2024-11-08 16:47:21,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:47:21,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224409487] [2024-11-08 16:47:21,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:47:21,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:47:21,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:47:21,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 16:47:21,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:47:21,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 16:47:21,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:47:21,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 16:47:21,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:47:21,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 16:47:21,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:47:21,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 16:47:21,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:47:21,640 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 16:47:21,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:47:21,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224409487] [2024-11-08 16:47:21,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [224409487] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:47:21,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:47:21,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 16:47:21,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781174084] [2024-11-08 16:47:21,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:47:21,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 16:47:21,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:47:21,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 16:47:21,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 16:47:21,643 INFO L87 Difference]: Start difference. First operand 157 states and 212 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:47:21,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:47:21,774 INFO L93 Difference]: Finished difference Result 387 states and 524 transitions. [2024-11-08 16:47:21,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 16:47:21,775 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 67 [2024-11-08 16:47:21,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:47:21,778 INFO L225 Difference]: With dead ends: 387 [2024-11-08 16:47:21,778 INFO L226 Difference]: Without dead ends: 233 [2024-11-08 16:47:21,779 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:47:21,780 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 85 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:47:21,782 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 323 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 16:47:21,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2024-11-08 16:47:21,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 180. [2024-11-08 16:47:21,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 167 states have (on average 1.341317365269461) internal successors, (224), 167 states have internal predecessors, (224), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-08 16:47:21,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 244 transitions. [2024-11-08 16:47:21,800 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 244 transitions. Word has length 67 [2024-11-08 16:47:21,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:47:21,801 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 244 transitions. [2024-11-08 16:47:21,801 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:47:21,802 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 244 transitions. [2024-11-08 16:47:21,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-08 16:47:21,804 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:47:21,805 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:47:21,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 16:47:21,805 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:47:21,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:47:21,806 INFO L85 PathProgramCache]: Analyzing trace with hash -302931579, now seen corresponding path program 1 times [2024-11-08 16:47:21,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:47:21,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505816428] [2024-11-08 16:47:21,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:47:21,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:47:21,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:47:22,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 16:47:22,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:47:22,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 16:47:22,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:47:22,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 16:47:22,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:47:22,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 16:47:22,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:47:22,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 16:47:22,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:47:22,477 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 16:47:22,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:47:22,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505816428] [2024-11-08 16:47:22,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505816428] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:47:22,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:47:22,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 16:47:22,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169193308] [2024-11-08 16:47:22,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:47:22,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:47:22,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:47:22,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:47:22,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:47:22,480 INFO L87 Difference]: Start difference. First operand 180 states and 244 transitions. Second operand has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:47:22,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:47:22,948 INFO L93 Difference]: Finished difference Result 543 states and 736 transitions. [2024-11-08 16:47:22,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 16:47:22,949 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 68 [2024-11-08 16:47:22,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:47:22,951 INFO L225 Difference]: With dead ends: 543 [2024-11-08 16:47:22,951 INFO L226 Difference]: Without dead ends: 366 [2024-11-08 16:47:22,951 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2024-11-08 16:47:22,952 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 374 mSDsluCounter, 673 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 374 SdHoareTripleChecker+Valid, 778 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 16:47:22,953 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [374 Valid, 778 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 218 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 16:47:22,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2024-11-08 16:47:22,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 256. [2024-11-08 16:47:22,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 237 states have (on average 1.3333333333333333) internal successors, (316), 237 states have internal predecessors, (316), 15 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-08 16:47:22,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 346 transitions. [2024-11-08 16:47:22,976 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 346 transitions. Word has length 68 [2024-11-08 16:47:22,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:47:22,976 INFO L471 AbstractCegarLoop]: Abstraction has 256 states and 346 transitions. [2024-11-08 16:47:22,976 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:47:22,976 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 346 transitions. [2024-11-08 16:47:22,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-08 16:47:22,977 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:47:22,978 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:47:22,978 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-08 16:47:22,978 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:47:22,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:47:22,979 INFO L85 PathProgramCache]: Analyzing trace with hash 1078191369, now seen corresponding path program 1 times [2024-11-08 16:47:22,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:47:22,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223177587] [2024-11-08 16:47:22,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:47:22,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:47:23,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 16:47:23,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [740390494] [2024-11-08 16:47:23,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:47:23,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:47:23,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:47:23,029 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:47:23,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 16:47:23,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:47:23,528 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:47:23,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:47:23,810 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 16:47:23,810 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 16:47:23,812 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 16:47:23,833 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 16:47:24,015 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-08 16:47:24,017 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:47:24,173 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 16:47:24,176 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 04:47:24 BoogieIcfgContainer [2024-11-08 16:47:24,176 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 16:47:24,177 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 16:47:24,177 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 16:47:24,177 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 16:47:24,178 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:47:17" (3/4) ... [2024-11-08 16:47:24,180 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 16:47:24,181 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 16:47:24,182 INFO L158 Benchmark]: Toolchain (without parser) took 8207.15ms. Allocated memory was 144.7MB in the beginning and 230.7MB in the end (delta: 86.0MB). Free memory was 116.9MB in the beginning and 166.8MB in the end (delta: -49.9MB). Peak memory consumption was 35.8MB. Max. memory is 16.1GB. [2024-11-08 16:47:24,182 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 113.2MB. Free memory is still 77.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:47:24,183 INFO L158 Benchmark]: CACSL2BoogieTranslator took 372.64ms. Allocated memory is still 144.7MB. Free memory was 116.7MB in the beginning and 103.2MB in the end (delta: 13.6MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. [2024-11-08 16:47:24,183 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.27ms. Allocated memory is still 144.7MB. Free memory was 103.2MB in the beginning and 100.2MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 16:47:24,183 INFO L158 Benchmark]: Boogie Preprocessor took 85.48ms. Allocated memory is still 144.7MB. Free memory was 100.2MB in the beginning and 96.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 16:47:24,183 INFO L158 Benchmark]: RCFGBuilder took 869.87ms. Allocated memory is still 144.7MB. Free memory was 95.4MB in the beginning and 104.2MB in the end (delta: -8.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-11-08 16:47:24,184 INFO L158 Benchmark]: TraceAbstraction took 6809.69ms. Allocated memory was 144.7MB in the beginning and 230.7MB in the end (delta: 86.0MB). Free memory was 104.2MB in the beginning and 166.8MB in the end (delta: -62.6MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. [2024-11-08 16:47:24,184 INFO L158 Benchmark]: Witness Printer took 4.71ms. Allocated memory is still 230.7MB. Free memory is still 166.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:47:24,187 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 113.2MB. Free memory is still 77.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 372.64ms. Allocated memory is still 144.7MB. Free memory was 116.7MB in the beginning and 103.2MB in the end (delta: 13.6MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.27ms. Allocated memory is still 144.7MB. Free memory was 103.2MB in the beginning and 100.2MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 85.48ms. Allocated memory is still 144.7MB. Free memory was 100.2MB in the beginning and 96.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 869.87ms. Allocated memory is still 144.7MB. Free memory was 95.4MB in the beginning and 104.2MB in the end (delta: -8.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 6809.69ms. Allocated memory was 144.7MB in the beginning and 230.7MB in the end (delta: 86.0MB). Free memory was 104.2MB in the beginning and 166.8MB in the end (delta: -62.6MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. * Witness Printer took 4.71ms. Allocated memory is still 230.7MB. Free memory is still 166.8MB. There was no memory consumed. Max. memory is 16.1GB. * 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 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 47, overapproximation of shiftLeft at line 90. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 10; [L22] unsigned char var_1_1 = 10; [L23] unsigned char* var_1_1_Pointer = &(var_1_1); [L24] unsigned char var_1_3 = 4; [L24] unsigned char var_1_3 = 4; [L25] unsigned char* var_1_3_Pointer = &(var_1_3); [L26] unsigned char var_1_7 = 0; [L26] unsigned char var_1_7 = 0; [L27] unsigned char* var_1_7_Pointer = &(var_1_7); [L28] signed short int var_1_8 = 100; [L28] signed short int var_1_8 = 100; [L29] signed short int* var_1_8_Pointer = &(var_1_8); [L30] unsigned char var_1_9 = 32; [L30] unsigned char var_1_9 = 32; [L31] unsigned char* var_1_9_Pointer = &(var_1_9); [L32] double var_1_10 = 9.2; [L32] double var_1_10 = 9.2; [L33] double* var_1_10_Pointer = &(var_1_10); [L34] double var_1_11 = 0.975; [L34] double var_1_11 = 0.975; [L35] double* var_1_11_Pointer = &(var_1_11); [L36] signed short int var_1_12 = 1; [L36] signed short int var_1_12 = 1; [L37] signed short int* var_1_12_Pointer = &(var_1_12); [L38] signed long int var_1_14 = -16; [L38] signed long int var_1_14 = -16; [L39] signed long int* var_1_14_Pointer = &(var_1_14); [L40] unsigned char last_1_var_1_1 = 10; [L41] double last_1_var_1_10 = 9.2; [L42] signed short int last_1_var_1_12 = 1; [L43] signed long int last_1_var_1_14 = -16; VAL [isInitial=0, last_1_var_1_10=46/5, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L94] isInitial = 1 [L95] FCALL initially() [L96] COND TRUE 1 [L97] CALL updateLastVariables() [L84] EXPR \read(var_1_1) [L84] last_1_var_1_1 = var_1_1 [L85] EXPR \read(var_1_10) [L85] last_1_var_1_10 = var_1_10 [L86] EXPR \read(var_1_12) [L86] last_1_var_1_12 = var_1_12 [L87] EXPR \read(var_1_14) [L87] last_1_var_1_14 = var_1_14 [L97] RET updateLastVariables() [L98] CALL updateVariables() [L74] var_1_3 = __VERIFIER_nondet_uchar() [L75] EXPR \read(var_1_3) VAL [isInitial=1, last_1_var_1_10=46/5, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L75] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=46/5, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=46/5, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L75] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_10=46/5, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L76] EXPR \read(var_1_3) VAL [isInitial=1, last_1_var_1_10=46/5, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L76] CALL assume_abort_if_not(var_1_3 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=46/5, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=46/5, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L76] RET assume_abort_if_not(var_1_3 <= 254) VAL [isInitial=1, last_1_var_1_10=46/5, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L77] var_1_7 = __VERIFIER_nondet_uchar() [L78] EXPR \read(var_1_7) VAL [isInitial=1, last_1_var_1_10=46/5, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L78] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=46/5, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=46/5, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L78] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_10=46/5, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L79] EXPR \read(var_1_7) VAL [isInitial=1, last_1_var_1_10=46/5, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L79] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=46/5, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=46/5, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L79] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, last_1_var_1_10=46/5, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L80] var_1_11 = __VERIFIER_nondet_double() [L81] EXPR \read(var_1_11) [L81] EXPR var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_10=46/5, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L81] EXPR var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F [L81] EXPR \read(var_1_11) [L81] EXPR var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_10=46/5, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L81] EXPR (var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_10=46/5, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L81] EXPR (var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_10=46/5, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L81] CALL assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=46/5, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=46/5, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L81] RET assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=46/5, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L98] RET updateVariables() [L99] CALL step() [L47] unsigned char stepLocal_0 = last_1_var_1_10 > last_1_var_1_10; VAL [isInitial=1, last_1_var_1_10=46/5, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, stepLocal_0=0, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L48] COND FALSE !(((last_1_var_1_12 + last_1_var_1_1) < 10) || stepLocal_0) [L51] (*(var_1_12_Pointer)) = last_1_var_1_12 VAL [isInitial=1, last_1_var_1_10=46/5, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L53] EXPR \read(*var_1_12_Pointer) [L53] (*(var_1_14_Pointer)) = (*(var_1_12_Pointer)) [L54] EXPR \read(*var_1_12_Pointer) VAL [isInitial=1, last_1_var_1_10=46/5, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L54] EXPR 10 << (*(var_1_12_Pointer)) VAL [isInitial=1, last_1_var_1_10=46/5, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L54] EXPR \read(*var_1_3_Pointer) [L54] EXPR \read(*var_1_14_Pointer) VAL [isInitial=1, last_1_var_1_10=46/5, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L54] COND FALSE !((10 << (*(var_1_12_Pointer))) < ((*(var_1_3_Pointer)) * (*(var_1_14_Pointer)))) [L57] (*(var_1_9_Pointer)) = 64 [L58] EXPR \read(*var_1_11_Pointer) [L58] (*(var_1_10_Pointer)) = (*(var_1_11_Pointer)) [L59] EXPR \read(*var_1_12_Pointer) VAL [isInitial=1, last_1_var_1_10=46/5, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L59] COND TRUE (*(var_1_12_Pointer)) <= 16 [L60] EXPR \read(*var_1_3_Pointer) [L60] (*(var_1_1_Pointer)) = (*(var_1_3_Pointer)) [L99] RET step() [L100] CALL, EXPR property() [L90] EXPR \read(*var_1_12_Pointer) VAL [isInitial=1, last_1_var_1_10=46/5, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L90] EXPR ((*(var_1_12_Pointer)) <= 16) ? ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer)))) : (((((((*(var_1_10_Pointer))) > ((*(var_1_10_Pointer)))) ? ((*(var_1_10_Pointer))) : ((*(var_1_10_Pointer))))) < (*(var_1_10_Pointer))) ? ((*(var_1_7_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer)))) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer))))) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer))))) [L90] EXPR \read(*var_1_1_Pointer) [L90] EXPR \read(*var_1_3_Pointer) [L90] EXPR ((*(var_1_12_Pointer)) <= 16) ? ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer)))) : (((((((*(var_1_10_Pointer))) > ((*(var_1_10_Pointer)))) ? ((*(var_1_10_Pointer))) : ((*(var_1_10_Pointer))))) < (*(var_1_10_Pointer))) ? ((*(var_1_7_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer)))) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer))))) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer))))) VAL [isInitial=1, last_1_var_1_10=46/5, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L90] EXPR (((*(var_1_12_Pointer)) <= 16) ? ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer)))) : (((((((*(var_1_10_Pointer))) > ((*(var_1_10_Pointer)))) ? ((*(var_1_10_Pointer))) : ((*(var_1_10_Pointer))))) < (*(var_1_10_Pointer))) ? ((*(var_1_7_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer)))) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer))))) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer)))))) && (((10 << (*(var_1_12_Pointer))) < ((*(var_1_3_Pointer)) * (*(var_1_14_Pointer)))) ? ((*(var_1_8_Pointer)) == ((signed short int) ((*(var_1_12_Pointer)) + (*(var_1_14_Pointer))))) : 1) VAL [isInitial=1, last_1_var_1_10=46/5, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L90] EXPR (((*(var_1_12_Pointer)) <= 16) ? ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer)))) : (((((((*(var_1_10_Pointer))) > ((*(var_1_10_Pointer)))) ? ((*(var_1_10_Pointer))) : ((*(var_1_10_Pointer))))) < (*(var_1_10_Pointer))) ? ((*(var_1_7_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer)))) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer))))) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer)))))) && (((10 << (*(var_1_12_Pointer))) < ((*(var_1_3_Pointer)) * (*(var_1_14_Pointer)))) ? ((*(var_1_8_Pointer)) == ((signed short int) ((*(var_1_12_Pointer)) + (*(var_1_14_Pointer))))) : 1) [L90] EXPR \read(*var_1_12_Pointer) VAL [isInitial=1, last_1_var_1_10=46/5, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L90] EXPR 10 << (*(var_1_12_Pointer)) VAL [isInitial=1, last_1_var_1_10=46/5, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L90] EXPR \read(*var_1_3_Pointer) [L90] EXPR \read(*var_1_14_Pointer) VAL [isInitial=1, last_1_var_1_10=46/5, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L90] EXPR ((10 << (*(var_1_12_Pointer))) < ((*(var_1_3_Pointer)) * (*(var_1_14_Pointer)))) ? ((*(var_1_8_Pointer)) == ((signed short int) ((*(var_1_12_Pointer)) + (*(var_1_14_Pointer))))) : 1 [L90] EXPR \read(*var_1_8_Pointer) [L90] EXPR \read(*var_1_12_Pointer) [L90] EXPR \read(*var_1_14_Pointer) [L90] EXPR ((10 << (*(var_1_12_Pointer))) < ((*(var_1_3_Pointer)) * (*(var_1_14_Pointer)))) ? ((*(var_1_8_Pointer)) == ((signed short int) ((*(var_1_12_Pointer)) + (*(var_1_14_Pointer))))) : 1 VAL [isInitial=1, last_1_var_1_10=46/5, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L90] EXPR (((*(var_1_12_Pointer)) <= 16) ? ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer)))) : (((((((*(var_1_10_Pointer))) > ((*(var_1_10_Pointer)))) ? ((*(var_1_10_Pointer))) : ((*(var_1_10_Pointer))))) < (*(var_1_10_Pointer))) ? ((*(var_1_7_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer)))) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer))))) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer)))))) && (((10 << (*(var_1_12_Pointer))) < ((*(var_1_3_Pointer)) * (*(var_1_14_Pointer)))) ? ((*(var_1_8_Pointer)) == ((signed short int) ((*(var_1_12_Pointer)) + (*(var_1_14_Pointer))))) : 1) VAL [isInitial=1, last_1_var_1_10=46/5, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L90] EXPR ((((*(var_1_12_Pointer)) <= 16) ? ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer)))) : (((((((*(var_1_10_Pointer))) > ((*(var_1_10_Pointer)))) ? ((*(var_1_10_Pointer))) : ((*(var_1_10_Pointer))))) < (*(var_1_10_Pointer))) ? ((*(var_1_7_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer)))) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer))))) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer)))))) && (((10 << (*(var_1_12_Pointer))) < ((*(var_1_3_Pointer)) * (*(var_1_14_Pointer)))) ? ((*(var_1_8_Pointer)) == ((signed short int) ((*(var_1_12_Pointer)) + (*(var_1_14_Pointer))))) : 1)) && ((*(var_1_9_Pointer)) == ((unsigned char) 64)) VAL [isInitial=1, last_1_var_1_10=46/5, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L90] EXPR ((((*(var_1_12_Pointer)) <= 16) ? ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer)))) : (((((((*(var_1_10_Pointer))) > ((*(var_1_10_Pointer)))) ? ((*(var_1_10_Pointer))) : ((*(var_1_10_Pointer))))) < (*(var_1_10_Pointer))) ? ((*(var_1_7_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer)))) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer))))) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer)))))) && (((10 << (*(var_1_12_Pointer))) < ((*(var_1_3_Pointer)) * (*(var_1_14_Pointer)))) ? ((*(var_1_8_Pointer)) == ((signed short int) ((*(var_1_12_Pointer)) + (*(var_1_14_Pointer))))) : 1)) && ((*(var_1_9_Pointer)) == ((unsigned char) 64)) VAL [isInitial=1, last_1_var_1_10=46/5, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L90] EXPR (((((*(var_1_12_Pointer)) <= 16) ? ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer)))) : (((((((*(var_1_10_Pointer))) > ((*(var_1_10_Pointer)))) ? ((*(var_1_10_Pointer))) : ((*(var_1_10_Pointer))))) < (*(var_1_10_Pointer))) ? ((*(var_1_7_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer)))) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer))))) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer)))))) && (((10 << (*(var_1_12_Pointer))) < ((*(var_1_3_Pointer)) * (*(var_1_14_Pointer)))) ? ((*(var_1_8_Pointer)) == ((signed short int) ((*(var_1_12_Pointer)) + (*(var_1_14_Pointer))))) : 1)) && ((*(var_1_9_Pointer)) == ((unsigned char) 64))) && ((*(var_1_10_Pointer)) == ((double) (*(var_1_11_Pointer)))) VAL [isInitial=1, last_1_var_1_10=46/5, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L90] EXPR (((((*(var_1_12_Pointer)) <= 16) ? ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer)))) : (((((((*(var_1_10_Pointer))) > ((*(var_1_10_Pointer)))) ? ((*(var_1_10_Pointer))) : ((*(var_1_10_Pointer))))) < (*(var_1_10_Pointer))) ? ((*(var_1_7_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer)))) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer))))) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer)))))) && (((10 << (*(var_1_12_Pointer))) < ((*(var_1_3_Pointer)) * (*(var_1_14_Pointer)))) ? ((*(var_1_8_Pointer)) == ((signed short int) ((*(var_1_12_Pointer)) + (*(var_1_14_Pointer))))) : 1)) && ((*(var_1_9_Pointer)) == ((unsigned char) 64))) && ((*(var_1_10_Pointer)) == ((double) (*(var_1_11_Pointer)))) VAL [isInitial=1, last_1_var_1_10=46/5, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L90] EXPR ((((((*(var_1_12_Pointer)) <= 16) ? ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer)))) : (((((((*(var_1_10_Pointer))) > ((*(var_1_10_Pointer)))) ? ((*(var_1_10_Pointer))) : ((*(var_1_10_Pointer))))) < (*(var_1_10_Pointer))) ? ((*(var_1_7_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer)))) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer))))) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer)))))) && (((10 << (*(var_1_12_Pointer))) < ((*(var_1_3_Pointer)) * (*(var_1_14_Pointer)))) ? ((*(var_1_8_Pointer)) == ((signed short int) ((*(var_1_12_Pointer)) + (*(var_1_14_Pointer))))) : 1)) && ((*(var_1_9_Pointer)) == ((unsigned char) 64))) && ((*(var_1_10_Pointer)) == ((double) (*(var_1_11_Pointer))))) && ((((last_1_var_1_12 + last_1_var_1_1) < 10) || (last_1_var_1_10 > last_1_var_1_10)) ? ((*(var_1_12_Pointer)) == ((signed short int) (((((((*(var_1_3_Pointer)) + last_1_var_1_12) - ((((last_1_var_1_14) > (last_1_var_1_12)) ? (last_1_var_1_14) : (last_1_var_1_12))))) > (last_1_var_1_1)) ? ((((*(var_1_3_Pointer)) + last_1_var_1_12) - ((((last_1_var_1_14) > (last_1_var_1_12)) ? (last_1_var_1_14) : (last_1_var_1_12))))) : (last_1_var_1_1))))) : ((*(var_1_12_Pointer)) == ((signed short int) last_1_var_1_12))) VAL [isInitial=1, last_1_var_1_10=46/5, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L90] EXPR ((((((*(var_1_12_Pointer)) <= 16) ? ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer)))) : (((((((*(var_1_10_Pointer))) > ((*(var_1_10_Pointer)))) ? ((*(var_1_10_Pointer))) : ((*(var_1_10_Pointer))))) < (*(var_1_10_Pointer))) ? ((*(var_1_7_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer)))) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer))))) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer)))))) && (((10 << (*(var_1_12_Pointer))) < ((*(var_1_3_Pointer)) * (*(var_1_14_Pointer)))) ? ((*(var_1_8_Pointer)) == ((signed short int) ((*(var_1_12_Pointer)) + (*(var_1_14_Pointer))))) : 1)) && ((*(var_1_9_Pointer)) == ((unsigned char) 64))) && ((*(var_1_10_Pointer)) == ((double) (*(var_1_11_Pointer))))) && ((((last_1_var_1_12 + last_1_var_1_1) < 10) || (last_1_var_1_10 > last_1_var_1_10)) ? ((*(var_1_12_Pointer)) == ((signed short int) (((((((*(var_1_3_Pointer)) + last_1_var_1_12) - ((((last_1_var_1_14) > (last_1_var_1_12)) ? (last_1_var_1_14) : (last_1_var_1_12))))) > (last_1_var_1_1)) ? ((((*(var_1_3_Pointer)) + last_1_var_1_12) - ((((last_1_var_1_14) > (last_1_var_1_12)) ? (last_1_var_1_14) : (last_1_var_1_12))))) : (last_1_var_1_1))))) : ((*(var_1_12_Pointer)) == ((signed short int) last_1_var_1_12))) VAL [isInitial=1, last_1_var_1_10=46/5, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L90] EXPR (((((((*(var_1_12_Pointer)) <= 16) ? ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer)))) : (((((((*(var_1_10_Pointer))) > ((*(var_1_10_Pointer)))) ? ((*(var_1_10_Pointer))) : ((*(var_1_10_Pointer))))) < (*(var_1_10_Pointer))) ? ((*(var_1_7_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer)))) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer))))) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer)))))) && (((10 << (*(var_1_12_Pointer))) < ((*(var_1_3_Pointer)) * (*(var_1_14_Pointer)))) ? ((*(var_1_8_Pointer)) == ((signed short int) ((*(var_1_12_Pointer)) + (*(var_1_14_Pointer))))) : 1)) && ((*(var_1_9_Pointer)) == ((unsigned char) 64))) && ((*(var_1_10_Pointer)) == ((double) (*(var_1_11_Pointer))))) && ((((last_1_var_1_12 + last_1_var_1_1) < 10) || (last_1_var_1_10 > last_1_var_1_10)) ? ((*(var_1_12_Pointer)) == ((signed short int) (((((((*(var_1_3_Pointer)) + last_1_var_1_12) - ((((last_1_var_1_14) > (last_1_var_1_12)) ? (last_1_var_1_14) : (last_1_var_1_12))))) > (last_1_var_1_1)) ? ((((*(var_1_3_Pointer)) + last_1_var_1_12) - ((((last_1_var_1_14) > (last_1_var_1_12)) ? (last_1_var_1_14) : (last_1_var_1_12))))) : (last_1_var_1_1))))) : ((*(var_1_12_Pointer)) == ((signed short int) last_1_var_1_12)))) && ((*(var_1_14_Pointer)) == ((signed long int) (*(var_1_12_Pointer)))) VAL [isInitial=1, last_1_var_1_10=46/5, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L90] EXPR (((((((*(var_1_12_Pointer)) <= 16) ? ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer)))) : (((((((*(var_1_10_Pointer))) > ((*(var_1_10_Pointer)))) ? ((*(var_1_10_Pointer))) : ((*(var_1_10_Pointer))))) < (*(var_1_10_Pointer))) ? ((*(var_1_7_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer)))) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer))))) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer)))))) && (((10 << (*(var_1_12_Pointer))) < ((*(var_1_3_Pointer)) * (*(var_1_14_Pointer)))) ? ((*(var_1_8_Pointer)) == ((signed short int) ((*(var_1_12_Pointer)) + (*(var_1_14_Pointer))))) : 1)) && ((*(var_1_9_Pointer)) == ((unsigned char) 64))) && ((*(var_1_10_Pointer)) == ((double) (*(var_1_11_Pointer))))) && ((((last_1_var_1_12 + last_1_var_1_1) < 10) || (last_1_var_1_10 > last_1_var_1_10)) ? ((*(var_1_12_Pointer)) == ((signed short int) (((((((*(var_1_3_Pointer)) + last_1_var_1_12) - ((((last_1_var_1_14) > (last_1_var_1_12)) ? (last_1_var_1_14) : (last_1_var_1_12))))) > (last_1_var_1_1)) ? ((((*(var_1_3_Pointer)) + last_1_var_1_12) - ((((last_1_var_1_14) > (last_1_var_1_12)) ? (last_1_var_1_14) : (last_1_var_1_12))))) : (last_1_var_1_1))))) : ((*(var_1_12_Pointer)) == ((signed short int) last_1_var_1_12)))) && ((*(var_1_14_Pointer)) == ((signed long int) (*(var_1_12_Pointer)))) VAL [isInitial=1, last_1_var_1_10=46/5, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L90-L91] return (((((((*(var_1_12_Pointer)) <= 16) ? ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer)))) : (((((((*(var_1_10_Pointer))) > ((*(var_1_10_Pointer)))) ? ((*(var_1_10_Pointer))) : ((*(var_1_10_Pointer))))) < (*(var_1_10_Pointer))) ? ((*(var_1_7_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer)))) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer))))) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer)))))) && (((10 << (*(var_1_12_Pointer))) < ((*(var_1_3_Pointer)) * (*(var_1_14_Pointer)))) ? ((*(var_1_8_Pointer)) == ((signed short int) ((*(var_1_12_Pointer)) + (*(var_1_14_Pointer))))) : 1)) && ((*(var_1_9_Pointer)) == ((unsigned char) 64))) && ((*(var_1_10_Pointer)) == ((double) (*(var_1_11_Pointer))))) && ((((last_1_var_1_12 + last_1_var_1_1) < 10) || (last_1_var_1_10 > last_1_var_1_10)) ? ((*(var_1_12_Pointer)) == ((signed short int) (((((((*(var_1_3_Pointer)) + last_1_var_1_12) - ((((last_1_var_1_14) > (last_1_var_1_12)) ? (last_1_var_1_14) : (last_1_var_1_12))))) > (last_1_var_1_1)) ? ((((*(var_1_3_Pointer)) + last_1_var_1_12) - ((((last_1_var_1_14) > (last_1_var_1_12)) ? (last_1_var_1_14) : (last_1_var_1_12))))) : (last_1_var_1_1))))) : ((*(var_1_12_Pointer)) == ((signed short int) last_1_var_1_12)))) && ((*(var_1_14_Pointer)) == ((signed long int) (*(var_1_12_Pointer)))) ; [L100] RET, EXPR property() [L100] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_10=46/5, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L19] reach_error() VAL [isInitial=1, last_1_var_1_10=46/5, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 76 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.6s, OverallIterations: 10, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1082 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1082 mSDsluCounter, 3268 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2437 mSDsCounter, 95 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 656 IncrementalHoareTripleChecker+Invalid, 751 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 95 mSolverCounterUnsat, 831 mSDtfsCounter, 656 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 162 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=256occurred in iteration=9, InterpolantAutomatonStates: 49, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 325 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 713 NumberOfCodeBlocks, 713 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 568 ConstructedInterpolants, 0 QuantifiedInterpolants, 1403 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 360/360 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 16:47:24,229 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-9.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash aa8cc58df8fe09b61997a2de9d9c5e7a83d2492c15b287abd5439e2c29784fc7 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:47:26,597 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:47:26,698 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-08 16:47:26,704 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:47:26,704 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:47:26,744 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:47:26,745 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:47:26,745 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:47:26,747 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 16:47:26,749 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 16:47:26,749 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 16:47:26,749 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 16:47:26,750 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:47:26,750 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:47:26,751 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:47:26,751 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:47:26,751 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 16:47:26,752 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 16:47:26,752 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 16:47:26,756 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:47:26,757 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 16:47:26,757 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 16:47:26,757 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 16:47:26,757 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 16:47:26,758 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 16:47:26,758 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:47:26,758 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 16:47:26,758 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 16:47:26,760 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:47:26,760 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:47:26,760 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:47:26,761 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:47:26,762 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 16:47:26,762 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 16:47:26,763 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:47:26,763 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:47:26,763 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 16:47:26,763 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 16:47:26,776 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 16:47:26,776 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 16:47:26,777 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 16:47:26,777 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 16:47:26,777 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 16:47:26,778 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 16:47:26,778 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_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa8cc58df8fe09b61997a2de9d9c5e7a83d2492c15b287abd5439e2c29784fc7 [2024-11-08 16:47:27,137 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:47:27,164 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:47:27,166 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:47:27,168 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:47:27,168 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:47:27,169 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-9.i Unable to find full path for "g++" [2024-11-08 16:47:29,329 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:47:29,624 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:47:29,624 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-9.i [2024-11-08 16:47:29,637 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/data/cbe9595c5/ba2b58d99b324ab08f9cb0ed728b7075/FLAG445892dee [2024-11-08 16:47:29,652 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/data/cbe9595c5/ba2b58d99b324ab08f9cb0ed728b7075 [2024-11-08 16:47:29,654 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:47:29,656 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:47:29,657 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:47:29,657 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:47:29,663 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:47:29,664 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:47:29" (1/1) ... [2024-11-08 16:47:29,665 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32137096 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:47:29, skipping insertion in model container [2024-11-08 16:47:29,665 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:47:29" (1/1) ... [2024-11-08 16:47:29,695 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:47:29,885 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_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-9.i[915,928] [2024-11-08 16:47:29,943 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:47:29,964 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:47:29,979 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_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-9.i[915,928] [2024-11-08 16:47:30,034 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:47:30,068 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:47:30,069 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:47:30 WrapperNode [2024-11-08 16:47:30,069 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:47:30,070 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:47:30,071 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:47:30,071 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:47:30,080 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:47:30" (1/1) ... [2024-11-08 16:47:30,104 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:47:30" (1/1) ... [2024-11-08 16:47:30,164 INFO L138 Inliner]: procedures = 36, calls = 111, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 352 [2024-11-08 16:47:30,164 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:47:30,165 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:47:30,167 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:47:30,167 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:47:30,180 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:47:30" (1/1) ... [2024-11-08 16:47:30,180 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:47:30" (1/1) ... [2024-11-08 16:47:30,190 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:47:30" (1/1) ... [2024-11-08 16:47:30,264 INFO L175 MemorySlicer]: Split 86 memory accesses to 10 slices as follows [2, 10, 18, 6, 3, 3, 14, 8, 14, 8]. 21 percent of accesses are in the largest equivalence class. The 11 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 13 writes are split as follows [0, 4, 1, 1, 1, 1, 1, 1, 2, 1]. [2024-11-08 16:47:30,265 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:47:30" (1/1) ... [2024-11-08 16:47:30,265 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:47:30" (1/1) ... [2024-11-08 16:47:30,313 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:47:30" (1/1) ... [2024-11-08 16:47:30,320 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:47:30" (1/1) ... [2024-11-08 16:47:30,333 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:47:30" (1/1) ... [2024-11-08 16:47:30,340 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:47:30" (1/1) ... [2024-11-08 16:47:30,354 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:47:30,355 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:47:30,356 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:47:30,356 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:47:30,357 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:47:30" (1/1) ... [2024-11-08 16:47:30,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:47:30,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:47:30,421 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 16:47:30,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 16:47:30,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 16:47:30,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-11-08 16:47:30,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-11-08 16:47:30,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-11-08 16:47:30,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-11-08 16:47:30,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2024-11-08 16:47:30,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2024-11-08 16:47:30,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#6 [2024-11-08 16:47:30,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#7 [2024-11-08 16:47:30,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#8 [2024-11-08 16:47:30,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#9 [2024-11-08 16:47:30,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-11-08 16:47:30,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-11-08 16:47:30,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2024-11-08 16:47:30,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2024-11-08 16:47:30,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2024-11-08 16:47:30,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2024-11-08 16:47:30,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#6 [2024-11-08 16:47:30,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#7 [2024-11-08 16:47:30,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#8 [2024-11-08 16:47:30,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#9 [2024-11-08 16:47:30,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-08 16:47:30,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-08 16:47:30,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-08 16:47:30,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-08 16:47:30,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-08 16:47:30,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-08 16:47:30,470 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-08 16:47:30,470 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2024-11-08 16:47:30,470 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#8 [2024-11-08 16:47:30,470 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#9 [2024-11-08 16:47:30,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2024-11-08 16:47:30,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2024-11-08 16:47:30,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2024-11-08 16:47:30,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2024-11-08 16:47:30,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2024-11-08 16:47:30,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#5 [2024-11-08 16:47:30,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#6 [2024-11-08 16:47:30,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#7 [2024-11-08 16:47:30,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#8 [2024-11-08 16:47:30,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#9 [2024-11-08 16:47:30,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-08 16:47:30,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-08 16:47:30,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-08 16:47:30,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-08 16:47:30,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-08 16:47:30,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-08 16:47:30,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-08 16:47:30,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-08 16:47:30,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-08 16:47:30,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-08 16:47:30,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-08 16:47:30,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-08 16:47:30,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-08 16:47:30,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-08 16:47:30,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-08 16:47:30,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-08 16:47:30,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2024-11-08 16:47:30,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7 [2024-11-08 16:47:30,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#8 [2024-11-08 16:47:30,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#9 [2024-11-08 16:47:30,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2024-11-08 16:47:30,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2024-11-08 16:47:30,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2024-11-08 16:47:30,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2024-11-08 16:47:30,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2024-11-08 16:47:30,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#5 [2024-11-08 16:47:30,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#6 [2024-11-08 16:47:30,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#7 [2024-11-08 16:47:30,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#8 [2024-11-08 16:47:30,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#9 [2024-11-08 16:47:30,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-08 16:47:30,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-08 16:47:30,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-08 16:47:30,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-08 16:47:30,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-08 16:47:30,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-08 16:47:30,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-08 16:47:30,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-08 16:47:30,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-08 16:47:30,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-11-08 16:47:30,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-08 16:47:30,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-08 16:47:30,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-11-08 16:47:30,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-11-08 16:47:30,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-11-08 16:47:30,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2024-11-08 16:47:30,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#6 [2024-11-08 16:47:30,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#7 [2024-11-08 16:47:30,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#8 [2024-11-08 16:47:30,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#9 [2024-11-08 16:47:30,482 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 16:47:30,482 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 16:47:30,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:47:30,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:47:30,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-08 16:47:30,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-08 16:47:30,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-08 16:47:30,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-08 16:47:30,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-08 16:47:30,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-08 16:47:30,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-08 16:47:30,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2024-11-08 16:47:30,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#8 [2024-11-08 16:47:30,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#9 [2024-11-08 16:47:30,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-11-08 16:47:30,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-11-08 16:47:30,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2024-11-08 16:47:30,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2024-11-08 16:47:30,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2024-11-08 16:47:30,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2024-11-08 16:47:30,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#6 [2024-11-08 16:47:30,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#7 [2024-11-08 16:47:30,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#8 [2024-11-08 16:47:30,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#9 [2024-11-08 16:47:30,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-08 16:47:30,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-08 16:47:30,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-08 16:47:30,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-08 16:47:30,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-08 16:47:30,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-08 16:47:30,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-08 16:47:30,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-08 16:47:30,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-11-08 16:47:30,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-11-08 16:47:30,782 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:47:30,785 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:47:31,574 INFO L? ?]: Removed 79 outVars from TransFormulas that were not future-live. [2024-11-08 16:47:31,574 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:47:31,594 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:47:31,597 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 16:47:31,598 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:47:31 BoogieIcfgContainer [2024-11-08 16:47:31,598 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:47:31,601 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 16:47:31,601 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 16:47:31,606 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 16:47:31,606 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:47:29" (1/3) ... [2024-11-08 16:47:31,607 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ffdfe40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:47:31, skipping insertion in model container [2024-11-08 16:47:31,608 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:47:30" (2/3) ... [2024-11-08 16:47:31,608 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ffdfe40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:47:31, skipping insertion in model container [2024-11-08 16:47:31,609 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:47:31" (3/3) ... [2024-11-08 16:47:31,611 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-9.i [2024-11-08 16:47:31,631 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 16:47:31,632 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 16:47:31,721 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 16:47:31,727 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;@618951bf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 16:47:31,727 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 16:47:31,732 INFO L276 IsEmpty]: Start isEmpty. Operand has 70 states, 62 states have (on average 1.435483870967742) internal successors, (89), 63 states have internal predecessors, (89), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-08 16:47:31,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-08 16:47:31,744 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:47:31,745 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:47:31,746 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:47:31,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:47:31,753 INFO L85 PathProgramCache]: Analyzing trace with hash 800847055, now seen corresponding path program 1 times [2024-11-08 16:47:31,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:47:31,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1253150628] [2024-11-08 16:47:31,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:47:31,774 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:47:31,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:47:31,779 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:47:31,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-08 16:47:32,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:47:32,199 INFO L255 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 16:47:32,206 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:47:32,236 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 16:47:32,236 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:47:32,237 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:47:32,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1253150628] [2024-11-08 16:47:32,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1253150628] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:47:32,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:47:32,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:47:32,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357672299] [2024-11-08 16:47:32,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:47:32,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 16:47:32,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:47:32,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 16:47:32,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 16:47:32,274 INFO L87 Difference]: Start difference. First operand has 70 states, 62 states have (on average 1.435483870967742) internal successors, (89), 63 states have internal predecessors, (89), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:47:32,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:47:32,309 INFO L93 Difference]: Finished difference Result 133 states and 197 transitions. [2024-11-08 16:47:32,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 16:47:32,312 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) Word has length 60 [2024-11-08 16:47:32,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:47:32,321 INFO L225 Difference]: With dead ends: 133 [2024-11-08 16:47:32,321 INFO L226 Difference]: Without dead ends: 66 [2024-11-08 16:47:32,325 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 16:47:32,331 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:47:32,333 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:47:32,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2024-11-08 16:47:32,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2024-11-08 16:47:32,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 59 states have (on average 1.3898305084745763) internal successors, (82), 59 states have internal predecessors, (82), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-08 16:47:32,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 92 transitions. [2024-11-08 16:47:32,388 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 92 transitions. Word has length 60 [2024-11-08 16:47:32,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:47:32,390 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 92 transitions. [2024-11-08 16:47:32,390 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:47:32,390 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 92 transitions. [2024-11-08 16:47:32,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-08 16:47:32,393 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:47:32,394 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:47:32,401 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-08 16:47:32,598 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:47:32,599 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:47:32,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:47:32,601 INFO L85 PathProgramCache]: Analyzing trace with hash 533340181, now seen corresponding path program 1 times [2024-11-08 16:47:32,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:47:32,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [680835635] [2024-11-08 16:47:32,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:47:32,603 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:47:32,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:47:32,607 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:47:32,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-08 16:47:32,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:47:32,982 INFO L255 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 16:47:32,986 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:47:33,028 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 16:47:33,028 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:47:33,029 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:47:33,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [680835635] [2024-11-08 16:47:33,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [680835635] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:47:33,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:47:33,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 16:47:33,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241528873] [2024-11-08 16:47:33,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:47:33,031 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 16:47:33,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:47:33,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 16:47:33,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 16:47:33,033 INFO L87 Difference]: Start difference. First operand 66 states and 92 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:47:33,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:47:33,076 INFO L93 Difference]: Finished difference Result 132 states and 185 transitions. [2024-11-08 16:47:33,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 16:47:33,077 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 60 [2024-11-08 16:47:33,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:47:33,078 INFO L225 Difference]: With dead ends: 132 [2024-11-08 16:47:33,079 INFO L226 Difference]: Without dead ends: 69 [2024-11-08 16:47:33,079 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 16:47:33,080 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 1 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:47:33,081 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 256 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:47:33,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2024-11-08 16:47:33,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 68. [2024-11-08 16:47:33,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 61 states have (on average 1.3770491803278688) internal successors, (84), 61 states have internal predecessors, (84), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-08 16:47:33,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 94 transitions. [2024-11-08 16:47:33,090 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 94 transitions. Word has length 60 [2024-11-08 16:47:33,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:47:33,091 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 94 transitions. [2024-11-08 16:47:33,092 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:47:33,092 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 94 transitions. [2024-11-08 16:47:33,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-08 16:47:33,094 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:47:33,094 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:47:33,103 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-08 16:47:33,298 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:47:33,299 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:47:33,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:47:33,300 INFO L85 PathProgramCache]: Analyzing trace with hash 1234404759, now seen corresponding path program 1 times [2024-11-08 16:47:33,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:47:33,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [501269115] [2024-11-08 16:47:33,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:47:33,301 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:47:33,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:47:33,310 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:47:33,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-08 16:47:33,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:47:33,614 INFO L255 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 16:47:33,617 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:47:33,658 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 16:47:33,658 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:47:33,659 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:47:33,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [501269115] [2024-11-08 16:47:33,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [501269115] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:47:33,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:47:33,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 16:47:33,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743470234] [2024-11-08 16:47:33,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:47:33,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 16:47:33,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:47:33,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 16:47:33,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 16:47:33,662 INFO L87 Difference]: Start difference. First operand 68 states and 94 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:47:33,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:47:33,736 INFO L93 Difference]: Finished difference Result 136 states and 189 transitions. [2024-11-08 16:47:33,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 16:47:33,737 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 60 [2024-11-08 16:47:33,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:47:33,738 INFO L225 Difference]: With dead ends: 136 [2024-11-08 16:47:33,738 INFO L226 Difference]: Without dead ends: 71 [2024-11-08 16:47:33,739 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 16:47:33,740 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 1 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:47:33,741 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 333 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 16:47:33,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2024-11-08 16:47:33,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 70. [2024-11-08 16:47:33,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 63 states have (on average 1.3650793650793651) internal successors, (86), 63 states have internal predecessors, (86), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-08 16:47:33,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 96 transitions. [2024-11-08 16:47:33,749 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 96 transitions. Word has length 60 [2024-11-08 16:47:33,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:47:33,749 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 96 transitions. [2024-11-08 16:47:33,750 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:47:33,750 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 96 transitions. [2024-11-08 16:47:33,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-08 16:47:33,751 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:47:33,751 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:47:33,759 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-11-08 16:47:33,952 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:47:33,952 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:47:33,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:47:33,953 INFO L85 PathProgramCache]: Analyzing trace with hash 1914463129, now seen corresponding path program 1 times [2024-11-08 16:47:33,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:47:33,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [196809211] [2024-11-08 16:47:33,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:47:33,955 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:47:33,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:47:33,959 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:47:33,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-08 16:47:34,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:47:34,373 INFO L255 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 16:47:34,379 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:47:34,458 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 16:47:34,458 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:47:34,459 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:47:34,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [196809211] [2024-11-08 16:47:34,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [196809211] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:47:34,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:47:34,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 16:47:34,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664911436] [2024-11-08 16:47:34,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:47:34,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 16:47:34,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:47:34,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 16:47:34,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 16:47:34,466 INFO L87 Difference]: Start difference. First operand 70 states and 96 transitions. Second operand has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:47:34,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:47:34,600 INFO L93 Difference]: Finished difference Result 142 states and 196 transitions. [2024-11-08 16:47:34,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 16:47:34,601 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 60 [2024-11-08 16:47:34,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:47:34,602 INFO L225 Difference]: With dead ends: 142 [2024-11-08 16:47:34,602 INFO L226 Difference]: Without dead ends: 75 [2024-11-08 16:47:34,603 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 16:47:34,608 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 1 mSDsluCounter, 396 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 479 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:47:34,609 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 479 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 16:47:34,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2024-11-08 16:47:34,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 74. [2024-11-08 16:47:34,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 67 states have (on average 1.3432835820895523) internal successors, (90), 67 states have internal predecessors, (90), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-08 16:47:34,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 100 transitions. [2024-11-08 16:47:34,625 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 100 transitions. Word has length 60 [2024-11-08 16:47:34,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:47:34,625 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 100 transitions. [2024-11-08 16:47:34,626 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:47:34,626 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 100 transitions. [2024-11-08 16:47:34,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-08 16:47:34,627 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:47:34,627 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:47:34,635 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-08 16:47:34,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:47:34,831 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:47:34,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:47:34,832 INFO L85 PathProgramCache]: Analyzing trace with hash 1916310171, now seen corresponding path program 1 times [2024-11-08 16:47:34,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:47:34,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [730434659] [2024-11-08 16:47:34,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:47:34,833 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:47:34,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:47:34,835 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:47:34,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-08 16:47:35,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:47:35,252 INFO L255 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 16:47:35,257 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:47:35,376 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-11-08 16:47:35,483 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 42 [2024-11-08 16:47:35,493 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2024-11-08 16:47:35,549 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 16:47:35,551 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:47:35,551 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:47:35,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [730434659] [2024-11-08 16:47:35,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [730434659] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:47:35,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:47:35,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 16:47:35,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272349980] [2024-11-08 16:47:35,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:47:35,557 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 16:47:35,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:47:35,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 16:47:35,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:47:35,559 INFO L87 Difference]: Start difference. First operand 74 states and 100 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:47:35,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:47:35,992 INFO L93 Difference]: Finished difference Result 149 states and 202 transitions. [2024-11-08 16:47:35,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 16:47:35,993 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 60 [2024-11-08 16:47:35,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:47:35,994 INFO L225 Difference]: With dead ends: 149 [2024-11-08 16:47:35,995 INFO L226 Difference]: Without dead ends: 78 [2024-11-08 16:47:35,996 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:47:35,997 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 134 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 16:47:35,997 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 244 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 16:47:35,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-11-08 16:47:36,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 76. [2024-11-08 16:47:36,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 69 states have (on average 1.3333333333333333) internal successors, (92), 69 states have internal predecessors, (92), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-08 16:47:36,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 102 transitions. [2024-11-08 16:47:36,010 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 102 transitions. Word has length 60 [2024-11-08 16:47:36,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:47:36,010 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 102 transitions. [2024-11-08 16:47:36,011 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:47:36,011 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 102 transitions. [2024-11-08 16:47:36,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-08 16:47:36,013 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:47:36,013 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:47:36,021 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2024-11-08 16:47:36,217 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:47:36,218 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:47:36,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:47:36,219 INFO L85 PathProgramCache]: Analyzing trace with hash -1239458734, now seen corresponding path program 1 times [2024-11-08 16:47:36,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:47:36,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1907516824] [2024-11-08 16:47:36,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:47:36,220 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:47:36,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:47:36,224 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:47:36,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-08 16:47:36,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:47:36,647 INFO L255 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-08 16:47:36,651 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:47:37,563 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2024-11-08 16:47:38,259 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 16:47:38,260 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 200 treesize of output 130 [2024-11-08 16:47:38,271 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 16:47:38,271 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 285 treesize of output 135 [2024-11-08 16:47:38,380 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 16:47:38,381 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:47:38,814 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:47:38,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1907516824] [2024-11-08 16:47:38,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1907516824] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:47:38,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [922147319] [2024-11-08 16:47:38,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:47:38,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:47:38,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:47:38,819 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:47:38,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-08 16:47:39,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:47:39,426 INFO L255 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-08 16:47:39,432 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:47:40,697 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 8 [2024-11-08 16:47:43,202 INFO L349 Elim1Store]: treesize reduction 48, result has 35.1 percent of original size [2024-11-08 16:47:43,203 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 49 [2024-11-08 16:47:44,108 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 16:47:44,109 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 188 treesize of output 118 [2024-11-08 16:47:44,120 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 16:47:44,120 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 263 treesize of output 139 [2024-11-08 16:47:44,160 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 16:47:44,160 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:47:44,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [922147319] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:47:44,445 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 16:47:44,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2024-11-08 16:47:44,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219347529] [2024-11-08 16:47:44,446 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 16:47:44,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-08 16:47:44,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:47:44,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-08 16:47:44,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=251, Unknown=0, NotChecked=0, Total=306 [2024-11-08 16:47:44,448 INFO L87 Difference]: Start difference. First operand 76 states and 102 transitions. Second operand has 16 states, 16 states have (on average 4.875) internal successors, (78), 15 states have internal predecessors, (78), 4 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-08 16:47:49,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:47:49,374 INFO L93 Difference]: Finished difference Result 325 states and 433 transitions. [2024-11-08 16:47:49,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-08 16:47:49,375 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 4.875) internal successors, (78), 15 states have internal predecessors, (78), 4 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 62 [2024-11-08 16:47:49,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:47:49,377 INFO L225 Difference]: With dead ends: 325 [2024-11-08 16:47:49,378 INFO L226 Difference]: Without dead ends: 252 [2024-11-08 16:47:49,379 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 157 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=180, Invalid=812, Unknown=0, NotChecked=0, Total=992 [2024-11-08 16:47:49,380 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 431 mSDsluCounter, 703 mSDsCounter, 0 mSdLazyCounter, 388 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 431 SdHoareTripleChecker+Valid, 792 SdHoareTripleChecker+Invalid, 434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:47:49,380 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [431 Valid, 792 Invalid, 434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 388 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-11-08 16:47:49,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2024-11-08 16:47:49,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 147. [2024-11-08 16:47:49,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 133 states have (on average 1.3233082706766917) internal successors, (176), 134 states have internal predecessors, (176), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-08 16:47:49,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 196 transitions. [2024-11-08 16:47:49,415 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 196 transitions. Word has length 62 [2024-11-08 16:47:49,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:47:49,415 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 196 transitions. [2024-11-08 16:47:49,416 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 4.875) internal successors, (78), 15 states have internal predecessors, (78), 4 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-08 16:47:49,416 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 196 transitions. [2024-11-08 16:47:49,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-08 16:47:49,418 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:47:49,418 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:47:49,448 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-08 16:47:49,625 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-11-08 16:47:49,819 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:47:49,819 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:47:49,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:47:49,820 INFO L85 PathProgramCache]: Analyzing trace with hash -559400364, now seen corresponding path program 1 times [2024-11-08 16:47:49,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:47:49,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [229856387] [2024-11-08 16:47:49,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:47:49,821 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:47:49,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:47:49,823 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:47:49,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-11-08 16:47:50,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:47:50,137 INFO L255 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 16:47:50,141 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:47:50,151 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-08 16:47:50,197 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 22 [2024-11-08 16:47:50,219 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 16:47:50,219 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:47:50,219 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:47:50,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [229856387] [2024-11-08 16:47:50,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [229856387] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:47:50,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:47:50,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 16:47:50,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420750035] [2024-11-08 16:47:50,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:47:50,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 16:47:50,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:47:50,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 16:47:50,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 16:47:50,222 INFO L87 Difference]: Start difference. First operand 147 states and 196 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:47:50,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:47:50,330 INFO L93 Difference]: Finished difference Result 334 states and 446 transitions. [2024-11-08 16:47:50,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 16:47:50,332 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 62 [2024-11-08 16:47:50,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:47:50,335 INFO L225 Difference]: With dead ends: 334 [2024-11-08 16:47:50,335 INFO L226 Difference]: Without dead ends: 190 [2024-11-08 16:47:50,336 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-08 16:47:50,336 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 81 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:47:50,337 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 407 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 16:47:50,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2024-11-08 16:47:50,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 147. [2024-11-08 16:47:50,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 133 states have (on average 1.3082706766917294) internal successors, (174), 134 states have internal predecessors, (174), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-08 16:47:50,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 194 transitions. [2024-11-08 16:47:50,363 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 194 transitions. Word has length 62 [2024-11-08 16:47:50,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:47:50,363 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 194 transitions. [2024-11-08 16:47:50,364 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:47:50,364 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 194 transitions. [2024-11-08 16:47:50,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-08 16:47:50,365 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:47:50,365 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:47:50,373 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2024-11-08 16:47:50,566 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:47:50,566 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:47:50,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:47:50,567 INFO L85 PathProgramCache]: Analyzing trace with hash 141664214, now seen corresponding path program 1 times [2024-11-08 16:47:50,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:47:50,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [981509227] [2024-11-08 16:47:50,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:47:50,568 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:47:50,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:47:50,570 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:47:50,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-11-08 16:47:50,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:47:50,873 INFO L255 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 16:47:50,877 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:47:51,309 INFO L349 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2024-11-08 16:47:51,309 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 21 [2024-11-08 16:47:51,348 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-11-08 16:47:51,418 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 21 [2024-11-08 16:47:51,707 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 75 [2024-11-08 16:47:51,718 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2024-11-08 16:47:51,719 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 87 treesize of output 63 [2024-11-08 16:47:51,736 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 51 [2024-11-08 16:47:51,814 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 16:47:51,815 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:47:51,815 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:47:51,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [981509227] [2024-11-08 16:47:51,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [981509227] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:47:51,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:47:51,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 16:47:51,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223002655] [2024-11-08 16:47:51,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:47:51,817 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 16:47:51,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:47:51,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 16:47:51,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-08 16:47:51,818 INFO L87 Difference]: Start difference. First operand 147 states and 194 transitions. Second operand has 10 states, 10 states have (on average 4.0) internal successors, (40), 9 states have internal predecessors, (40), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:47:53,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:47:53,866 INFO L93 Difference]: Finished difference Result 630 states and 834 transitions. [2024-11-08 16:47:53,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 16:47:53,867 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.0) internal successors, (40), 9 states have internal predecessors, (40), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 62 [2024-11-08 16:47:53,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:47:53,871 INFO L225 Difference]: With dead ends: 630 [2024-11-08 16:47:53,871 INFO L226 Difference]: Without dead ends: 486 [2024-11-08 16:47:53,872 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2024-11-08 16:47:53,876 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 428 mSDsluCounter, 756 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 428 SdHoareTripleChecker+Valid, 896 SdHoareTripleChecker+Invalid, 324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-08 16:47:53,876 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [428 Valid, 896 Invalid, 324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 274 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-08 16:47:53,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2024-11-08 16:47:53,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 435. [2024-11-08 16:47:53,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 435 states, 395 states have (on average 1.2962025316455696) internal successors, (512), 398 states have internal predecessors, (512), 30 states have call successors, (30), 9 states have call predecessors, (30), 9 states have return successors, (30), 27 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-08 16:47:53,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 572 transitions. [2024-11-08 16:47:53,978 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 572 transitions. Word has length 62 [2024-11-08 16:47:53,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:47:53,979 INFO L471 AbstractCegarLoop]: Abstraction has 435 states and 572 transitions. [2024-11-08 16:47:53,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.0) internal successors, (40), 9 states have internal predecessors, (40), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:47:53,980 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 572 transitions. [2024-11-08 16:47:53,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-08 16:47:53,986 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:47:53,986 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:47:53,999 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2024-11-08 16:47:54,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:47:54,187 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:47:54,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:47:54,188 INFO L85 PathProgramCache]: Analyzing trace with hash 564366040, now seen corresponding path program 1 times [2024-11-08 16:47:54,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:47:54,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [515711026] [2024-11-08 16:47:54,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:47:54,189 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:47:54,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:47:54,191 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:47:54,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2024-11-08 16:47:54,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:47:54,507 INFO L255 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-08 16:47:54,512 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:47:54,983 INFO L349 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2024-11-08 16:47:54,984 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 21 [2024-11-08 16:47:55,038 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-11-08 16:47:55,465 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 33 [2024-11-08 16:47:55,479 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 27 [2024-11-08 16:47:55,494 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2024-11-08 16:47:55,495 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 34 [2024-11-08 16:47:55,561 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 16:47:55,562 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:47:55,562 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:47:55,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [515711026] [2024-11-08 16:47:55,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [515711026] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:47:55,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:47:55,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:47:55,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329329849] [2024-11-08 16:47:55,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:47:55,563 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:47:55,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:47:55,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:47:55,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:47:55,565 INFO L87 Difference]: Start difference. First operand 435 states and 572 transitions. Second operand has 9 states, 9 states have (on average 4.444444444444445) internal successors, (40), 8 states have internal predecessors, (40), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:47:57,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:47:57,432 INFO L93 Difference]: Finished difference Result 963 states and 1264 transitions. [2024-11-08 16:47:57,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 16:47:57,433 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.444444444444445) internal successors, (40), 8 states have internal predecessors, (40), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 62 [2024-11-08 16:47:57,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:47:57,437 INFO L225 Difference]: With dead ends: 963 [2024-11-08 16:47:57,437 INFO L226 Difference]: Without dead ends: 531 [2024-11-08 16:47:57,438 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2024-11-08 16:47:57,439 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 279 mSDsluCounter, 508 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 279 SdHoareTripleChecker+Valid, 606 SdHoareTripleChecker+Invalid, 309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-08 16:47:57,441 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [279 Valid, 606 Invalid, 309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 275 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-08 16:47:57,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2024-11-08 16:47:57,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 329. [2024-11-08 16:47:57,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 302 states have (on average 1.3178807947019868) internal successors, (398), 304 states have internal predecessors, (398), 20 states have call successors, (20), 6 states have call predecessors, (20), 6 states have return successors, (20), 18 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-08 16:47:57,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 438 transitions. [2024-11-08 16:47:57,535 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 438 transitions. Word has length 62 [2024-11-08 16:47:57,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:47:57,536 INFO L471 AbstractCegarLoop]: Abstraction has 329 states and 438 transitions. [2024-11-08 16:47:57,536 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.444444444444445) internal successors, (40), 8 states have internal predecessors, (40), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:47:57,536 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 438 transitions. [2024-11-08 16:47:57,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-08 16:47:57,538 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:47:57,538 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:47:57,547 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Ended with exit code 0 [2024-11-08 16:47:57,742 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:47:57,742 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:47:57,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:47:57,743 INFO L85 PathProgramCache]: Analyzing trace with hash -1311845292, now seen corresponding path program 1 times [2024-11-08 16:47:57,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:47:57,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [964907042] [2024-11-08 16:47:57,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:47:57,746 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:47:57,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:47:57,750 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:47:57,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2024-11-08 16:47:58,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:47:58,050 INFO L255 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 16:47:58,051 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:47:58,069 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 16:47:58,069 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:47:58,070 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:47:58,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [964907042] [2024-11-08 16:47:58,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [964907042] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:47:58,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:47:58,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 16:47:58,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464016662] [2024-11-08 16:47:58,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:47:58,071 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 16:47:58,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:47:58,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 16:47:58,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 16:47:58,072 INFO L87 Difference]: Start difference. First operand 329 states and 438 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-08 16:47:58,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:47:58,181 INFO L93 Difference]: Finished difference Result 655 states and 873 transitions. [2024-11-08 16:47:58,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 16:47:58,183 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 62 [2024-11-08 16:47:58,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:47:58,185 INFO L225 Difference]: With dead ends: 655 [2024-11-08 16:47:58,185 INFO L226 Difference]: Without dead ends: 329 [2024-11-08 16:47:58,186 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 16:47:58,187 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 0 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:47:58,188 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 262 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 16:47:58,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2024-11-08 16:47:58,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 329. [2024-11-08 16:47:58,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 302 states have (on average 1.3112582781456954) internal successors, (396), 304 states have internal predecessors, (396), 20 states have call successors, (20), 6 states have call predecessors, (20), 6 states have return successors, (20), 18 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-08 16:47:58,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 436 transitions. [2024-11-08 16:47:58,242 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 436 transitions. Word has length 62 [2024-11-08 16:47:58,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:47:58,242 INFO L471 AbstractCegarLoop]: Abstraction has 329 states and 436 transitions. [2024-11-08 16:47:58,243 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-08 16:47:58,243 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 436 transitions. [2024-11-08 16:47:58,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-08 16:47:58,244 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:47:58,244 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:47:58,250 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2024-11-08 16:47:58,444 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:47:58,445 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:47:58,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:47:58,445 INFO L85 PathProgramCache]: Analyzing trace with hash 264946402, now seen corresponding path program 1 times [2024-11-08 16:47:58,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:47:58,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [341665895] [2024-11-08 16:47:58,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:47:58,446 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:47:58,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:47:58,447 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:47:58,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2024-11-08 16:47:58,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:47:58,871 INFO L255 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 16:47:58,876 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:47:59,296 INFO L349 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2024-11-08 16:47:59,296 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 21 [2024-11-08 16:47:59,342 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-11-08 16:47:59,810 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 16:47:59,810 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:47:59,810 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:47:59,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [341665895] [2024-11-08 16:47:59,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [341665895] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:47:59,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:47:59,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:47:59,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243839481] [2024-11-08 16:47:59,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:47:59,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:47:59,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:47:59,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:47:59,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:47:59,813 INFO L87 Difference]: Start difference. First operand 329 states and 436 transitions. Second operand has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 8 states have internal predecessors, (42), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:48:00,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:48:00,952 INFO L93 Difference]: Finished difference Result 382 states and 502 transitions. [2024-11-08 16:48:00,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 16:48:00,953 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 8 states have internal predecessors, (42), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 64 [2024-11-08 16:48:00,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:48:00,955 INFO L225 Difference]: With dead ends: 382 [2024-11-08 16:48:00,955 INFO L226 Difference]: Without dead ends: 380 [2024-11-08 16:48:00,956 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2024-11-08 16:48:00,957 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 272 mSDsluCounter, 542 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 642 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 16:48:00,957 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [272 Valid, 642 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 16:48:00,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2024-11-08 16:48:01,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 335. [2024-11-08 16:48:01,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 308 states have (on average 1.3051948051948052) internal successors, (402), 310 states have internal predecessors, (402), 20 states have call successors, (20), 6 states have call predecessors, (20), 6 states have return successors, (20), 18 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-08 16:48:01,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 442 transitions. [2024-11-08 16:48:01,014 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 442 transitions. Word has length 64 [2024-11-08 16:48:01,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:48:01,015 INFO L471 AbstractCegarLoop]: Abstraction has 335 states and 442 transitions. [2024-11-08 16:48:01,015 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 8 states have internal predecessors, (42), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:48:01,015 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 442 transitions. [2024-11-08 16:48:01,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-08 16:48:01,016 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:48:01,017 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:48:01,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Ended with exit code 0 [2024-11-08 16:48:01,217 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:48:01,217 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:48:01,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:48:01,218 INFO L85 PathProgramCache]: Analyzing trace with hash 266793444, now seen corresponding path program 1 times [2024-11-08 16:48:01,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:48:01,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1332718015] [2024-11-08 16:48:01,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:48:01,219 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:48:01,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:48:01,224 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:48:01,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2024-11-08 16:48:01,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:48:01,554 INFO L255 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 16:48:01,557 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:48:01,920 INFO L349 Elim1Store]: treesize reduction 26, result has 21.2 percent of original size [2024-11-08 16:48:01,921 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 24 [2024-11-08 16:48:02,153 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2024-11-08 16:48:02,154 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 53 treesize of output 37 [2024-11-08 16:48:02,206 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 16:48:02,207 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:48:02,207 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:48:02,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1332718015] [2024-11-08 16:48:02,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1332718015] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:48:02,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:48:02,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 16:48:02,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569524421] [2024-11-08 16:48:02,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:48:02,208 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 16:48:02,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:48:02,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 16:48:02,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-08 16:48:02,209 INFO L87 Difference]: Start difference. First operand 335 states and 442 transitions. Second operand has 8 states, 8 states have (on average 5.25) internal successors, (42), 7 states have internal predecessors, (42), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:48:02,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:48:02,773 INFO L93 Difference]: Finished difference Result 679 states and 896 transitions. [2024-11-08 16:48:02,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 16:48:02,774 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 7 states have internal predecessors, (42), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 64 [2024-11-08 16:48:02,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:48:02,777 INFO L225 Difference]: With dead ends: 679 [2024-11-08 16:48:02,777 INFO L226 Difference]: Without dead ends: 347 [2024-11-08 16:48:02,780 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-11-08 16:48:02,781 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 197 mSDsluCounter, 357 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 16:48:02,782 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 430 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 16:48:02,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2024-11-08 16:48:02,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 341. [2024-11-08 16:48:02,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 314 states have (on average 1.2993630573248407) internal successors, (408), 316 states have internal predecessors, (408), 20 states have call successors, (20), 6 states have call predecessors, (20), 6 states have return successors, (20), 18 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-08 16:48:02,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 448 transitions. [2024-11-08 16:48:02,859 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 448 transitions. Word has length 64 [2024-11-08 16:48:02,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:48:02,859 INFO L471 AbstractCegarLoop]: Abstraction has 341 states and 448 transitions. [2024-11-08 16:48:02,860 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 7 states have internal predecessors, (42), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:48:02,860 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 448 transitions. [2024-11-08 16:48:02,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-08 16:48:02,861 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:48:02,861 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:48:02,871 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2024-11-08 16:48:03,062 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:48:03,062 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:48:03,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:48:03,063 INFO L85 PathProgramCache]: Analyzing trace with hash -327265501, now seen corresponding path program 1 times [2024-11-08 16:48:03,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:48:03,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1047009079] [2024-11-08 16:48:03,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:48:03,063 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:48:03,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:48:03,065 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:48:03,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2024-11-08 16:48:03,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:48:03,443 INFO L255 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 16:48:03,445 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:48:03,822 INFO L349 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2024-11-08 16:48:03,822 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 21 [2024-11-08 16:48:03,895 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2024-11-08 16:48:03,895 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 15 [2024-11-08 16:48:03,915 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 16:48:03,915 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:48:03,915 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:48:03,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1047009079] [2024-11-08 16:48:03,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1047009079] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:48:03,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:48:03,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 16:48:03,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811092680] [2024-11-08 16:48:03,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:48:03,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 16:48:03,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:48:03,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 16:48:03,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:48:03,917 INFO L87 Difference]: Start difference. First operand 341 states and 448 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:48:04,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:48:04,410 INFO L93 Difference]: Finished difference Result 639 states and 838 transitions. [2024-11-08 16:48:04,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 16:48:04,411 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 64 [2024-11-08 16:48:04,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:48:04,413 INFO L225 Difference]: With dead ends: 639 [2024-11-08 16:48:04,414 INFO L226 Difference]: Without dead ends: 301 [2024-11-08 16:48:04,414 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-08 16:48:04,415 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 178 mSDsluCounter, 301 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 16:48:04,416 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 379 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 16:48:04,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2024-11-08 16:48:04,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 295. [2024-11-08 16:48:04,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 268 states have (on average 1.2761194029850746) internal successors, (342), 270 states have internal predecessors, (342), 20 states have call successors, (20), 6 states have call predecessors, (20), 6 states have return successors, (20), 18 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-08 16:48:04,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 382 transitions. [2024-11-08 16:48:04,476 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 382 transitions. Word has length 64 [2024-11-08 16:48:04,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:48:04,476 INFO L471 AbstractCegarLoop]: Abstraction has 295 states and 382 transitions. [2024-11-08 16:48:04,477 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:48:04,477 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 382 transitions. [2024-11-08 16:48:04,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-08 16:48:04,478 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:48:04,478 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:48:04,490 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Ended with exit code 0 [2024-11-08 16:48:04,679 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:48:04,679 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:48:04,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:48:04,680 INFO L85 PathProgramCache]: Analyzing trace with hash -990101679, now seen corresponding path program 1 times [2024-11-08 16:48:04,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:48:04,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [156206032] [2024-11-08 16:48:04,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:48:04,680 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:48:04,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:48:04,682 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:48:04,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2024-11-08 16:48:04,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:48:04,987 INFO L255 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 16:48:04,989 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:48:05,045 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-08 16:48:05,059 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-08 16:48:05,319 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 16:48:05,320 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:48:05,320 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:48:05,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [156206032] [2024-11-08 16:48:05,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [156206032] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:48:05,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:48:05,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 16:48:05,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295176644] [2024-11-08 16:48:05,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:48:05,321 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 16:48:05,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:48:05,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 16:48:05,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-08 16:48:05,322 INFO L87 Difference]: Start difference. First operand 295 states and 382 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:48:05,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:48:05,805 INFO L93 Difference]: Finished difference Result 707 states and 913 transitions. [2024-11-08 16:48:05,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 16:48:05,806 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 64 [2024-11-08 16:48:05,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:48:05,808 INFO L225 Difference]: With dead ends: 707 [2024-11-08 16:48:05,809 INFO L226 Difference]: Without dead ends: 415 [2024-11-08 16:48:05,810 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-08 16:48:05,810 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 74 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 16:48:05,811 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 294 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 16:48:05,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2024-11-08 16:48:05,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 392. [2024-11-08 16:48:05,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 392 states, 357 states have (on average 1.2745098039215685) internal successors, (455), 359 states have internal predecessors, (455), 26 states have call successors, (26), 8 states have call predecessors, (26), 8 states have return successors, (26), 24 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-08 16:48:05,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 507 transitions. [2024-11-08 16:48:05,924 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 507 transitions. Word has length 64 [2024-11-08 16:48:05,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:48:05,925 INFO L471 AbstractCegarLoop]: Abstraction has 392 states and 507 transitions. [2024-11-08 16:48:05,925 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:48:05,925 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 507 transitions. [2024-11-08 16:48:05,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-08 16:48:05,926 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:48:05,926 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:48:05,937 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2024-11-08 16:48:06,127 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:48:06,127 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:48:06,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:48:06,128 INFO L85 PathProgramCache]: Analyzing trace with hash 196043960, now seen corresponding path program 1 times [2024-11-08 16:48:06,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:48:06,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [37550377] [2024-11-08 16:48:06,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:48:06,129 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:48:06,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:48:06,130 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:48:06,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2024-11-08 16:48:06,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:48:06,577 INFO L255 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-08 16:48:06,581 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:48:07,436 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2024-11-08 16:48:07,857 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 16:48:07,857 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 200 treesize of output 130 [2024-11-08 16:48:07,865 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 16:48:07,865 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 283 treesize of output 133 [2024-11-08 16:48:07,971 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 16:48:07,971 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:48:08,425 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:48:08,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [37550377] [2024-11-08 16:48:08,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [37550377] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:48:08,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [95983177] [2024-11-08 16:48:08,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:48:08,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:48:08,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:48:08,427 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:48:08,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-08 16:48:09,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:48:09,149 INFO L255 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-08 16:48:09,153 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:48:09,666 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 8 [2024-11-08 16:48:14,163 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2024-11-08 16:48:14,979 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 16:48:14,979 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 188 treesize of output 118 [2024-11-08 16:48:14,990 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 16:48:14,990 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 261 treesize of output 137 [2024-11-08 16:48:15,027 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 16:48:15,027 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:48:15,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [95983177] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:48:15,307 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 16:48:15,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13] total 22 [2024-11-08 16:48:15,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031225285] [2024-11-08 16:48:15,308 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 16:48:15,308 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-08 16:48:15,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:48:15,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-08 16:48:15,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=531, Unknown=1, NotChecked=0, Total=650 [2024-11-08 16:48:15,310 INFO L87 Difference]: Start difference. First operand 392 states and 507 transitions. Second operand has 23 states, 21 states have (on average 3.9047619047619047) internal successors, (82), 20 states have internal predecessors, (82), 4 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-08 16:48:20,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:48:20,243 INFO L93 Difference]: Finished difference Result 881 states and 1133 transitions. [2024-11-08 16:48:20,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-08 16:48:20,244 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 21 states have (on average 3.9047619047619047) internal successors, (82), 20 states have internal predecessors, (82), 4 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 64 [2024-11-08 16:48:20,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:48:20,248 INFO L225 Difference]: With dead ends: 881 [2024-11-08 16:48:20,248 INFO L226 Difference]: Without dead ends: 589 [2024-11-08 16:48:20,249 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 153 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 383 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=378, Invalid=1343, Unknown=1, NotChecked=0, Total=1722 [2024-11-08 16:48:20,250 INFO L432 NwaCegarLoop]: 138 mSDtfsCounter, 329 mSDsluCounter, 1581 mSDsCounter, 0 mSdLazyCounter, 662 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 329 SdHoareTripleChecker+Valid, 1719 SdHoareTripleChecker+Invalid, 702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 662 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-08 16:48:20,251 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [329 Valid, 1719 Invalid, 702 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 662 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-08 16:48:20,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 589 states. [2024-11-08 16:48:20,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 589 to 399. [2024-11-08 16:48:20,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 399 states, 363 states have (on average 1.2699724517906337) internal successors, (461), 365 states have internal predecessors, (461), 26 states have call successors, (26), 9 states have call predecessors, (26), 9 states have return successors, (26), 24 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-08 16:48:20,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 513 transitions. [2024-11-08 16:48:20,390 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 513 transitions. Word has length 64 [2024-11-08 16:48:20,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:48:20,390 INFO L471 AbstractCegarLoop]: Abstraction has 399 states and 513 transitions. [2024-11-08 16:48:20,391 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 21 states have (on average 3.9047619047619047) internal successors, (82), 20 states have internal predecessors, (82), 4 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-08 16:48:20,391 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 513 transitions. [2024-11-08 16:48:20,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-08 16:48:20,392 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:48:20,392 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:48:20,402 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Ended with exit code 0 [2024-11-08 16:48:20,625 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-08 16:48:20,793 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:48:20,793 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:48:20,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:48:20,799 INFO L85 PathProgramCache]: Analyzing trace with hash 470803574, now seen corresponding path program 1 times [2024-11-08 16:48:20,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:48:20,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1931396431] [2024-11-08 16:48:20,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:48:20,799 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:48:20,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:48:20,805 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:48:20,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2024-11-08 16:48:21,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:48:21,140 INFO L255 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 16:48:21,142 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:48:21,175 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-08 16:48:21,175 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:48:21,175 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:48:21,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1931396431] [2024-11-08 16:48:21,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1931396431] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:48:21,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:48:21,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 16:48:21,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30866541] [2024-11-08 16:48:21,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:48:21,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 16:48:21,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:48:21,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 16:48:21,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:48:21,178 INFO L87 Difference]: Start difference. First operand 399 states and 513 transitions. Second operand has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-08 16:48:21,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:48:21,389 INFO L93 Difference]: Finished difference Result 575 states and 733 transitions. [2024-11-08 16:48:21,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 16:48:21,390 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 64 [2024-11-08 16:48:21,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:48:21,392 INFO L225 Difference]: With dead ends: 575 [2024-11-08 16:48:21,392 INFO L226 Difference]: Without dead ends: 228 [2024-11-08 16:48:21,393 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-08 16:48:21,394 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 1 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 403 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:48:21,395 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 403 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 16:48:21,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2024-11-08 16:48:21,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 222. [2024-11-08 16:48:21,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 200 states have (on average 1.245) internal successors, (249), 200 states have internal predecessors, (249), 15 states have call successors, (15), 6 states have call predecessors, (15), 6 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-08 16:48:21,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 279 transitions. [2024-11-08 16:48:21,485 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 279 transitions. Word has length 64 [2024-11-08 16:48:21,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:48:21,485 INFO L471 AbstractCegarLoop]: Abstraction has 222 states and 279 transitions. [2024-11-08 16:48:21,486 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-08 16:48:21,486 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 279 transitions. [2024-11-08 16:48:21,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-08 16:48:21,489 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:48:21,489 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:48:21,502 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2024-11-08 16:48:21,689 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:48:21,690 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:48:21,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:48:21,690 INFO L85 PathProgramCache]: Analyzing trace with hash -585400905, now seen corresponding path program 1 times [2024-11-08 16:48:21,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:48:21,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [491768034] [2024-11-08 16:48:21,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:48:21,691 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:48:21,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:48:21,695 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:48:21,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2024-11-08 16:48:22,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:48:22,175 INFO L255 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-08 16:48:22,181 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:48:23,423 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 14 [2024-11-08 16:48:23,671 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 54 [2024-11-08 16:48:24,234 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 22 [2024-11-08 16:48:24,242 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2024-11-08 16:48:25,021 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 21 proven. 117 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-11-08 16:48:25,021 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:48:25,606 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 16:48:25,607 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 38 [2024-11-08 16:48:26,589 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 99 [2024-11-08 16:48:28,446 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:48:28,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [491768034] [2024-11-08 16:48:28,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [491768034] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:48:28,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1842411783] [2024-11-08 16:48:28,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:48:28,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:48:28,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:48:28,449 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:48:28,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-08 16:48:28,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:48:28,784 INFO L255 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-08 16:48:28,791 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:48:30,969 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 14 [2024-11-08 16:48:31,119 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-11-08 16:48:31,392 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-11-08 16:48:31,805 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2024-11-08 16:48:33,493 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-11-08 16:48:35,892 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 73 [2024-11-08 16:48:36,162 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 32 [2024-11-08 16:48:37,987 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 15 proven. 123 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-11-08 16:48:37,988 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:48:49,341 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 60 [2024-11-08 16:48:52,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1842411783] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:48:52,125 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 16:48:52,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 14] total 23 [2024-11-08 16:48:52,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723837895] [2024-11-08 16:48:52,125 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 16:48:52,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-08 16:48:52,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:48:52,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-08 16:48:52,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=150, Invalid=1572, Unknown=0, NotChecked=0, Total=1722 [2024-11-08 16:48:52,127 INFO L87 Difference]: Start difference. First operand 222 states and 279 transitions. Second operand has 24 states, 24 states have (on average 6.083333333333333) internal successors, (146), 23 states have internal predecessors, (146), 4 states have call successors, (20), 4 states have call predecessors, (20), 4 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-08 16:49:06,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:49:06,499 INFO L93 Difference]: Finished difference Result 510 states and 630 transitions. [2024-11-08 16:49:06,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-08 16:49:06,500 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 6.083333333333333) internal successors, (146), 23 states have internal predecessors, (146), 4 states have call successors, (20), 4 states have call predecessors, (20), 4 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) Word has length 125 [2024-11-08 16:49:06,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:49:06,502 INFO L225 Difference]: With dead ends: 510 [2024-11-08 16:49:06,502 INFO L226 Difference]: Without dead ends: 344 [2024-11-08 16:49:06,503 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 382 GetRequests, 323 SyntacticMatches, 2 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 652 ImplicationChecksByTransitivity, 26.6s TimeCoverageRelationStatistics Valid=513, Invalid=2909, Unknown=0, NotChecked=0, Total=3422 [2024-11-08 16:49:06,504 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 439 mSDsluCounter, 1405 mSDsCounter, 0 mSdLazyCounter, 1128 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 439 SdHoareTripleChecker+Valid, 1518 SdHoareTripleChecker+Invalid, 1194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 1128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:49:06,504 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [439 Valid, 1518 Invalid, 1194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 1128 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2024-11-08 16:49:06,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2024-11-08 16:49:06,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 253. [2024-11-08 16:49:06,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 231 states have (on average 1.2207792207792207) internal successors, (282), 231 states have internal predecessors, (282), 15 states have call successors, (15), 6 states have call predecessors, (15), 6 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-08 16:49:06,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 312 transitions. [2024-11-08 16:49:06,582 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 312 transitions. Word has length 125 [2024-11-08 16:49:06,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:49:06,582 INFO L471 AbstractCegarLoop]: Abstraction has 253 states and 312 transitions. [2024-11-08 16:49:06,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 6.083333333333333) internal successors, (146), 23 states have internal predecessors, (146), 4 states have call successors, (20), 4 states have call predecessors, (20), 4 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-08 16:49:06,583 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 312 transitions. [2024-11-08 16:49:06,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-08 16:49:06,584 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:49:06,585 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:49:06,594 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Ended with exit code 0 [2024-11-08 16:49:06,801 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-11-08 16:49:06,985 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:49:06,986 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:49:06,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:49:06,986 INFO L85 PathProgramCache]: Analyzing trace with hash 1857501047, now seen corresponding path program 1 times [2024-11-08 16:49:06,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:49:06,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [375644915] [2024-11-08 16:49:06,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:49:06,987 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:49:06,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:49:06,993 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:49:06,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2024-11-08 16:49:07,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:49:07,454 INFO L255 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-08 16:49:07,460 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:49:09,123 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 14 [2024-11-08 16:49:09,170 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-11-08 16:49:11,068 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 55 [2024-11-08 16:49:11,141 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 42 [2024-11-08 16:49:11,170 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 20 [2024-11-08 16:49:11,289 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 21 [2024-11-08 16:49:11,660 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 18 proven. 120 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-11-08 16:49:11,660 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:49:12,126 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2024-11-08 16:49:12,126 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:49:12,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [375644915] [2024-11-08 16:49:12,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [375644915] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 16:49:12,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 16:49:12,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [12] total 19 [2024-11-08 16:49:12,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068790983] [2024-11-08 16:49:12,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:49:12,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 16:49:12,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:49:12,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 16:49:12,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2024-11-08 16:49:12,128 INFO L87 Difference]: Start difference. First operand 253 states and 312 transitions. Second operand has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:49:12,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:49:12,692 INFO L93 Difference]: Finished difference Result 444 states and 551 transitions. [2024-11-08 16:49:12,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 16:49:12,693 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 125 [2024-11-08 16:49:12,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:49:12,695 INFO L225 Difference]: With dead ends: 444 [2024-11-08 16:49:12,696 INFO L226 Difference]: Without dead ends: 362 [2024-11-08 16:49:12,696 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 231 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=66, Invalid=396, Unknown=0, NotChecked=0, Total=462 [2024-11-08 16:49:12,700 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 79 mSDsluCounter, 563 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 681 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 16:49:12,701 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 681 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 16:49:12,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2024-11-08 16:49:12,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 272. [2024-11-08 16:49:12,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 250 states have (on average 1.244) internal successors, (311), 250 states have internal predecessors, (311), 15 states have call successors, (15), 6 states have call predecessors, (15), 6 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-08 16:49:12,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 341 transitions. [2024-11-08 16:49:12,804 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 341 transitions. Word has length 125 [2024-11-08 16:49:12,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:49:12,805 INFO L471 AbstractCegarLoop]: Abstraction has 272 states and 341 transitions. [2024-11-08 16:49:12,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:49:12,805 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 341 transitions. [2024-11-08 16:49:12,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-08 16:49:12,807 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:49:12,807 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:49:12,818 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Ended with exit code 0 [2024-11-08 16:49:13,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:49:13,008 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:49:13,008 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:49:13,009 INFO L85 PathProgramCache]: Analyzing trace with hash -2014764423, now seen corresponding path program 1 times [2024-11-08 16:49:13,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:49:13,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [846506272] [2024-11-08 16:49:13,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:49:13,010 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:49:13,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:49:13,013 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:49:13,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2024-11-08 16:49:13,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:49:13,448 INFO L255 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-08 16:49:13,454 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:49:15,134 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 14 [2024-11-08 16:49:15,186 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-11-08 16:49:17,003 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 55 [2024-11-08 16:49:17,069 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 20 [2024-11-08 16:49:17,361 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2024-11-08 16:49:17,369 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2024-11-08 16:49:17,372 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 77 [2024-11-08 16:49:17,458 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 13 proven. 125 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-11-08 16:49:17,458 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:49:27,087 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:49:27,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [846506272] [2024-11-08 16:49:27,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [846506272] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:49:27,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [411528256] [2024-11-08 16:49:27,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:49:27,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:49:27,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:49:27,088 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:49:27,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-08 16:49:27,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:49:27,395 INFO L255 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-08 16:49:27,402 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:49:28,678 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 14 [2024-11-08 16:49:29,013 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-11-08 16:49:30,564 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 55 [2024-11-08 16:49:30,603 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 20 [2024-11-08 16:49:33,282 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2024-11-08 16:49:33,305 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-11-08 16:49:33,589 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2024-11-08 16:49:33,595 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2024-11-08 16:49:33,598 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 77 [2024-11-08 16:49:33,667 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 13 proven. 125 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-11-08 16:49:33,668 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:49:35,031 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-11-08 16:49:36,663 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2024-11-08 16:49:36,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [411528256] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 16:49:36,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-08 16:49:36,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 14] total 27 [2024-11-08 16:49:36,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870913858] [2024-11-08 16:49:36,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:49:36,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 16:49:36,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:49:36,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 16:49:36,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=150, Invalid=906, Unknown=0, NotChecked=0, Total=1056 [2024-11-08 16:49:36,665 INFO L87 Difference]: Start difference. First operand 272 states and 341 transitions. Second operand has 8 states, 8 states have (on average 8.375) internal successors, (67), 8 states have internal predecessors, (67), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:49:41,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:49:41,286 INFO L93 Difference]: Finished difference Result 419 states and 527 transitions. [2024-11-08 16:49:41,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 16:49:41,287 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 8 states have internal predecessors, (67), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 125 [2024-11-08 16:49:41,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:49:41,289 INFO L225 Difference]: With dead ends: 419 [2024-11-08 16:49:41,289 INFO L226 Difference]: Without dead ends: 318 [2024-11-08 16:49:41,290 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 407 GetRequests, 365 SyntacticMatches, 5 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 517 ImplicationChecksByTransitivity, 17.4s TimeCoverageRelationStatistics Valid=224, Invalid=1258, Unknown=0, NotChecked=0, Total=1482 [2024-11-08 16:49:41,291 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 121 mSDsluCounter, 499 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 618 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-08 16:49:41,291 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 618 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-08 16:49:41,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2024-11-08 16:49:41,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 273. [2024-11-08 16:49:41,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 251 states have (on average 1.2430278884462151) internal successors, (312), 251 states have internal predecessors, (312), 15 states have call successors, (15), 6 states have call predecessors, (15), 6 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-08 16:49:41,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 342 transitions. [2024-11-08 16:49:41,383 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 342 transitions. Word has length 125 [2024-11-08 16:49:41,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:49:41,383 INFO L471 AbstractCegarLoop]: Abstraction has 273 states and 342 transitions. [2024-11-08 16:49:41,384 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 8 states have internal predecessors, (67), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:49:41,384 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 342 transitions. [2024-11-08 16:49:41,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-08 16:49:41,385 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:49:41,385 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:49:41,396 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Ended with exit code 0 [2024-11-08 16:49:41,610 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-11-08 16:49:41,786 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:49:41,786 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:49:41,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:49:41,787 INFO L85 PathProgramCache]: Analyzing trace with hash 2026444239, now seen corresponding path program 1 times [2024-11-08 16:49:41,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:49:41,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2017614834] [2024-11-08 16:49:41,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:49:41,788 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:49:41,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:49:41,789 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:49:41,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2024-11-08 16:49:42,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:49:42,268 INFO L255 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 16:49:42,271 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:49:42,360 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2024-11-08 16:49:42,360 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:49:42,360 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:49:42,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2017614834] [2024-11-08 16:49:42,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2017614834] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:49:42,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:49:42,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 16:49:42,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316343061] [2024-11-08 16:49:42,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:49:42,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:49:42,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:49:42,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:49:42,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:49:42,362 INFO L87 Difference]: Start difference. First operand 273 states and 342 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:49:42,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:49:42,467 INFO L93 Difference]: Finished difference Result 597 states and 753 transitions. [2024-11-08 16:49:42,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:49:42,468 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 127 [2024-11-08 16:49:42,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:49:42,470 INFO L225 Difference]: With dead ends: 597 [2024-11-08 16:49:42,470 INFO L226 Difference]: Without dead ends: 327 [2024-11-08 16:49:42,470 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:49:42,471 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 37 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:49:42,471 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 183 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:49:42,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2024-11-08 16:49:42,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 269. [2024-11-08 16:49:42,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 247 states have (on average 1.2672064777327936) internal successors, (313), 247 states have internal predecessors, (313), 15 states have call successors, (15), 6 states have call predecessors, (15), 6 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-08 16:49:42,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 343 transitions. [2024-11-08 16:49:42,573 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 343 transitions. Word has length 127 [2024-11-08 16:49:42,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:49:42,573 INFO L471 AbstractCegarLoop]: Abstraction has 269 states and 343 transitions. [2024-11-08 16:49:42,573 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:49:42,574 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 343 transitions. [2024-11-08 16:49:42,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-08 16:49:42,576 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:49:42,576 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:49:42,587 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Ended with exit code 0 [2024-11-08 16:49:42,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:49:42,777 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:49:42,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:49:42,778 INFO L85 PathProgramCache]: Analyzing trace with hash -83298749, now seen corresponding path program 1 times [2024-11-08 16:49:42,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:49:42,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1597378211] [2024-11-08 16:49:42,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:49:42,779 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:49:42,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:49:42,782 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:49:42,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2024-11-08 16:49:43,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:49:43,271 INFO L255 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 16:49:43,273 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:49:43,347 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2024-11-08 16:49:43,347 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:49:43,348 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:49:43,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1597378211] [2024-11-08 16:49:43,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1597378211] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:49:43,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:49:43,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 16:49:43,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617343793] [2024-11-08 16:49:43,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:49:43,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 16:49:43,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:49:43,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 16:49:43,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 16:49:43,349 INFO L87 Difference]: Start difference. First operand 269 states and 343 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:49:43,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:49:43,468 INFO L93 Difference]: Finished difference Result 441 states and 570 transitions. [2024-11-08 16:49:43,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 16:49:43,469 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 127 [2024-11-08 16:49:43,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:49:43,470 INFO L225 Difference]: With dead ends: 441 [2024-11-08 16:49:43,470 INFO L226 Difference]: Without dead ends: 287 [2024-11-08 16:49:43,471 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 16:49:43,471 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 39 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:49:43,471 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 312 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 16:49:43,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2024-11-08 16:49:43,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 269. [2024-11-08 16:49:43,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 247 states have (on average 1.263157894736842) internal successors, (312), 247 states have internal predecessors, (312), 15 states have call successors, (15), 6 states have call predecessors, (15), 6 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-08 16:49:43,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 342 transitions. [2024-11-08 16:49:43,533 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 342 transitions. Word has length 127 [2024-11-08 16:49:43,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:49:43,534 INFO L471 AbstractCegarLoop]: Abstraction has 269 states and 342 transitions. [2024-11-08 16:49:43,534 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:49:43,534 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 342 transitions. [2024-11-08 16:49:43,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-08 16:49:43,535 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:49:43,535 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:49:43,547 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Ended with exit code 0 [2024-11-08 16:49:43,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:49:43,736 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:49:43,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:49:43,736 INFO L85 PathProgramCache]: Analyzing trace with hash -675510652, now seen corresponding path program 1 times [2024-11-08 16:49:43,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:49:43,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1115264747] [2024-11-08 16:49:43,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:49:43,737 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:49:43,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:49:43,738 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:49:43,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2024-11-08 16:49:44,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:49:44,156 INFO L255 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 16:49:44,159 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:49:44,194 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-11-08 16:49:44,223 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-11-08 16:49:44,223 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:49:44,223 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:49:44,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1115264747] [2024-11-08 16:49:44,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1115264747] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:49:44,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:49:44,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 16:49:44,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699275723] [2024-11-08 16:49:44,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:49:44,224 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 16:49:44,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:49:44,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 16:49:44,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 16:49:44,226 INFO L87 Difference]: Start difference. First operand 269 states and 342 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:49:44,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:49:44,719 INFO L93 Difference]: Finished difference Result 599 states and 751 transitions. [2024-11-08 16:49:44,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 16:49:44,720 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 127 [2024-11-08 16:49:44,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:49:44,722 INFO L225 Difference]: With dead ends: 599 [2024-11-08 16:49:44,722 INFO L226 Difference]: Without dead ends: 445 [2024-11-08 16:49:44,723 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:49:44,723 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 61 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 16:49:44,724 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 293 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 16:49:44,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2024-11-08 16:49:44,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 277. [2024-11-08 16:49:44,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 255 states have (on average 1.2549019607843137) internal successors, (320), 255 states have internal predecessors, (320), 15 states have call successors, (15), 6 states have call predecessors, (15), 6 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-08 16:49:44,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 350 transitions. [2024-11-08 16:49:44,811 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 350 transitions. Word has length 127 [2024-11-08 16:49:44,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:49:44,812 INFO L471 AbstractCegarLoop]: Abstraction has 277 states and 350 transitions. [2024-11-08 16:49:44,812 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:49:44,812 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 350 transitions. [2024-11-08 16:49:44,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-08 16:49:44,813 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:49:44,813 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:49:44,821 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Forceful destruction successful, exit code 0 [2024-11-08 16:49:45,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:49:45,014 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:49:45,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:49:45,014 INFO L85 PathProgramCache]: Analyzing trace with hash 1716404040, now seen corresponding path program 1 times [2024-11-08 16:49:45,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:49:45,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [604210830] [2024-11-08 16:49:45,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:49:45,015 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:49:45,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:49:45,016 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:49:45,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2024-11-08 16:49:45,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:49:45,465 INFO L255 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 16:49:45,468 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:49:45,477 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-11-08 16:49:45,603 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2024-11-08 16:49:45,603 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:49:45,603 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:49:45,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [604210830] [2024-11-08 16:49:45,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [604210830] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:49:45,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:49:45,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 16:49:45,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166827757] [2024-11-08 16:49:45,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:49:45,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 16:49:45,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:49:45,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 16:49:45,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:49:45,605 INFO L87 Difference]: Start difference. First operand 277 states and 350 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 6 states have internal predecessors, (71), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:49:45,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:49:45,938 INFO L93 Difference]: Finished difference Result 311 states and 389 transitions. [2024-11-08 16:49:45,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 16:49:45,939 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 6 states have internal predecessors, (71), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 129 [2024-11-08 16:49:45,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:49:45,940 INFO L225 Difference]: With dead ends: 311 [2024-11-08 16:49:45,940 INFO L226 Difference]: Without dead ends: 309 [2024-11-08 16:49:45,941 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:49:45,941 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 68 mSDsluCounter, 343 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 449 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 16:49:45,942 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 449 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 16:49:45,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2024-11-08 16:49:46,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 280. [2024-11-08 16:49:46,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 258 states have (on average 1.251937984496124) internal successors, (323), 258 states have internal predecessors, (323), 15 states have call successors, (15), 6 states have call predecessors, (15), 6 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-08 16:49:46,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 353 transitions. [2024-11-08 16:49:46,028 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 353 transitions. Word has length 129 [2024-11-08 16:49:46,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:49:46,028 INFO L471 AbstractCegarLoop]: Abstraction has 280 states and 353 transitions. [2024-11-08 16:49:46,029 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 6 states have internal predecessors, (71), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:49:46,029 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 353 transitions. [2024-11-08 16:49:46,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-08 16:49:46,030 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:49:46,030 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:49:46,041 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (28)] Ended with exit code 0 [2024-11-08 16:49:46,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:49:46,231 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:49:46,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:49:46,231 INFO L85 PathProgramCache]: Analyzing trace with hash 1718251082, now seen corresponding path program 1 times [2024-11-08 16:49:46,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:49:46,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1888708160] [2024-11-08 16:49:46,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:49:46,232 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:49:46,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:49:46,233 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:49:46,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (29)] Waiting until timeout for monitored process [2024-11-08 16:49:46,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:49:46,708 INFO L255 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-08 16:49:46,712 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:49:48,346 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 14 [2024-11-08 16:49:48,378 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-11-08 16:49:50,175 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 39 [2024-11-08 16:49:50,252 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-11-08 16:49:50,704 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 20 proven. 120 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-11-08 16:49:50,704 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:49:55,887 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2024-11-08 16:49:55,888 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:49:55,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1888708160] [2024-11-08 16:49:55,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1888708160] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 16:49:55,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 16:49:55,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [11] total 23 [2024-11-08 16:49:55,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677698541] [2024-11-08 16:49:55,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:49:55,889 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-08 16:49:55,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:49:55,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-08 16:49:55,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=431, Unknown=0, NotChecked=0, Total=506 [2024-11-08 16:49:55,890 INFO L87 Difference]: Start difference. First operand 280 states and 353 transitions. Second operand has 13 states, 13 states have (on average 5.461538461538462) internal successors, (71), 13 states have internal predecessors, (71), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:50:02,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:50:02,739 INFO L93 Difference]: Finished difference Result 587 states and 743 transitions. [2024-11-08 16:50:02,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 16:50:02,740 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.461538461538462) internal successors, (71), 13 states have internal predecessors, (71), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 129 [2024-11-08 16:50:02,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:50:02,741 INFO L225 Difference]: With dead ends: 587 [2024-11-08 16:50:02,741 INFO L226 Difference]: Without dead ends: 422 [2024-11-08 16:50:02,742 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 234 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=153, Invalid=777, Unknown=0, NotChecked=0, Total=930 [2024-11-08 16:50:02,742 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 150 mSDsluCounter, 902 mSDsCounter, 0 mSdLazyCounter, 444 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 1001 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 444 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-11-08 16:50:02,742 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 1001 Invalid, 447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 444 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2024-11-08 16:50:02,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2024-11-08 16:50:02,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 303. [2024-11-08 16:50:02,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 281 states have (on average 1.2455516014234875) internal successors, (350), 281 states have internal predecessors, (350), 15 states have call successors, (15), 6 states have call predecessors, (15), 6 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-08 16:50:02,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 380 transitions. [2024-11-08 16:50:02,806 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 380 transitions. Word has length 129 [2024-11-08 16:50:02,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:50:02,807 INFO L471 AbstractCegarLoop]: Abstraction has 303 states and 380 transitions. [2024-11-08 16:50:02,807 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.461538461538462) internal successors, (71), 13 states have internal predecessors, (71), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:50:02,807 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 380 transitions. [2024-11-08 16:50:02,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-08 16:50:02,808 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:50:02,808 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:50:02,816 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (29)] Forceful destruction successful, exit code 0 [2024-11-08 16:50:03,008 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:50:03,009 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:50:03,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:50:03,009 INFO L85 PathProgramCache]: Analyzing trace with hash -1896657844, now seen corresponding path program 1 times [2024-11-08 16:50:03,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:50:03,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [535409937] [2024-11-08 16:50:03,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:50:03,010 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:50:03,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:50:03,011 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:50:03,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (30)] Waiting until timeout for monitored process [2024-11-08 16:50:03,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:03,522 INFO L255 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-08 16:50:03,527 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:50:05,206 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 14 [2024-11-08 16:50:05,238 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-11-08 16:50:07,332 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 39 [2024-11-08 16:50:07,441 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-11-08 16:50:07,765 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 39 [2024-11-08 16:50:07,919 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 20 proven. 120 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-11-08 16:50:07,919 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:50:12,146 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2024-11-08 16:50:12,146 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:50:12,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [535409937] [2024-11-08 16:50:12,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [535409937] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 16:50:12,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 16:50:12,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [13] total 22 [2024-11-08 16:50:12,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908126941] [2024-11-08 16:50:12,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:50:12,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 16:50:12,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:50:12,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 16:50:12,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=366, Unknown=0, NotChecked=0, Total=462 [2024-11-08 16:50:12,148 INFO L87 Difference]: Start difference. First operand 303 states and 380 transitions. Second operand has 10 states, 10 states have (on average 7.1) internal successors, (71), 10 states have internal predecessors, (71), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:50:17,508 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 16:50:24,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:50:24,021 INFO L93 Difference]: Finished difference Result 601 states and 759 transitions. [2024-11-08 16:50:24,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 16:50:24,024 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.1) internal successors, (71), 10 states have internal predecessors, (71), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 129 [2024-11-08 16:50:24,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:50:24,026 INFO L225 Difference]: With dead ends: 601 [2024-11-08 16:50:24,026 INFO L226 Difference]: Without dead ends: 413 [2024-11-08 16:50:24,027 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 235 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=158, Invalid=544, Unknown=0, NotChecked=0, Total=702 [2024-11-08 16:50:24,027 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 227 mSDsluCounter, 546 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 653 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2024-11-08 16:50:24,028 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [227 Valid, 653 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 8.8s Time] [2024-11-08 16:50:24,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2024-11-08 16:50:24,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 303. [2024-11-08 16:50:24,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 281 states have (on average 1.2419928825622777) internal successors, (349), 281 states have internal predecessors, (349), 15 states have call successors, (15), 6 states have call predecessors, (15), 6 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-08 16:50:24,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 379 transitions. [2024-11-08 16:50:24,119 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 379 transitions. Word has length 129 [2024-11-08 16:50:24,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:50:24,120 INFO L471 AbstractCegarLoop]: Abstraction has 303 states and 379 transitions. [2024-11-08 16:50:24,120 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.1) internal successors, (71), 10 states have internal predecessors, (71), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:50:24,121 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 379 transitions. [2024-11-08 16:50:24,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-08 16:50:24,122 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:50:24,122 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:50:24,132 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (30)] Ended with exit code 0 [2024-11-08 16:50:24,322 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:50:24,322 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:50:24,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:50:24,323 INFO L85 PathProgramCache]: Analyzing trace with hash -135345014, now seen corresponding path program 1 times [2024-11-08 16:50:24,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:50:24,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1327751647] [2024-11-08 16:50:24,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:50:24,323 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:50:24,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:50:24,325 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:50:24,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (31)] Waiting until timeout for monitored process [2024-11-08 16:50:24,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:24,829 INFO L255 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-08 16:50:24,834 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:50:26,688 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 14 [2024-11-08 16:50:26,739 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-11-08 16:50:27,554 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2024-11-08 16:50:28,199 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2024-11-08 16:50:28,766 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2024-11-08 16:50:28,860 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 106 [2024-11-08 16:50:29,068 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 3 proven. 137 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-11-08 16:50:29,069 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:50:31,554 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2024-11-08 16:50:31,554 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:50:31,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1327751647] [2024-11-08 16:50:31,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1327751647] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 16:50:31,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 16:50:31,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [16] total 24 [2024-11-08 16:50:31,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135662249] [2024-11-08 16:50:31,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:50:31,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-08 16:50:31,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:50:31,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-08 16:50:31,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=486, Unknown=0, NotChecked=0, Total=552 [2024-11-08 16:50:31,558 INFO L87 Difference]: Start difference. First operand 303 states and 379 transitions. Second operand has 11 states, 11 states have (on average 6.454545454545454) internal successors, (71), 11 states have internal predecessors, (71), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:50:34,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:50:34,600 INFO L93 Difference]: Finished difference Result 595 states and 752 transitions. [2024-11-08 16:50:34,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 16:50:34,601 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.454545454545454) internal successors, (71), 11 states have internal predecessors, (71), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 129 [2024-11-08 16:50:34,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:50:34,603 INFO L225 Difference]: With dead ends: 595 [2024-11-08 16:50:34,603 INFO L226 Difference]: Without dead ends: 407 [2024-11-08 16:50:34,604 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 233 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 169 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=118, Invalid=812, Unknown=0, NotChecked=0, Total=930 [2024-11-08 16:50:34,604 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 116 mSDsluCounter, 673 mSDsCounter, 0 mSdLazyCounter, 309 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 773 SdHoareTripleChecker+Invalid, 314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-08 16:50:34,604 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 773 Invalid, 314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 309 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-08 16:50:34,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2024-11-08 16:50:34,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 319. [2024-11-08 16:50:34,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 297 states have (on average 1.2356902356902357) internal successors, (367), 297 states have internal predecessors, (367), 15 states have call successors, (15), 6 states have call predecessors, (15), 6 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-08 16:50:34,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 397 transitions. [2024-11-08 16:50:34,665 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 397 transitions. Word has length 129 [2024-11-08 16:50:34,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:50:34,665 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 397 transitions. [2024-11-08 16:50:34,665 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.454545454545454) internal successors, (71), 11 states have internal predecessors, (71), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:50:34,665 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 397 transitions. [2024-11-08 16:50:34,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-08 16:50:34,667 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:50:34,667 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:50:34,678 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (31)] Forceful destruction successful, exit code 0 [2024-11-08 16:50:34,867 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:50:34,868 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:50:34,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:50:34,868 INFO L85 PathProgramCache]: Analyzing trace with hash 544713356, now seen corresponding path program 1 times [2024-11-08 16:50:34,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:50:34,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1572383264] [2024-11-08 16:50:34,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:50:34,869 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:50:34,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:50:34,870 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:50:34,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (32)] Waiting until timeout for monitored process [2024-11-08 16:50:35,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:35,370 INFO L255 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-08 16:50:35,375 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:50:37,151 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 14 [2024-11-08 16:50:37,193 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-11-08 16:50:37,956 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2024-11-08 16:50:38,631 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2024-11-08 16:50:38,783 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 22 [2024-11-08 16:50:39,230 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 32 [2024-11-08 16:50:39,322 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 6 proven. 134 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-11-08 16:50:39,322 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:50:40,797 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2024-11-08 16:50:40,797 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:50:40,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1572383264] [2024-11-08 16:50:40,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1572383264] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 16:50:40,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 16:50:40,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 20 [2024-11-08 16:50:40,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150564790] [2024-11-08 16:50:40,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:50:40,798 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 16:50:40,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:50:40,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 16:50:40,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=312, Unknown=0, NotChecked=0, Total=380 [2024-11-08 16:50:40,799 INFO L87 Difference]: Start difference. First operand 319 states and 397 transitions. Second operand has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:50:42,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:50:42,556 INFO L93 Difference]: Finished difference Result 597 states and 754 transitions. [2024-11-08 16:50:42,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 16:50:42,558 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 129 [2024-11-08 16:50:42,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:50:42,560 INFO L225 Difference]: With dead ends: 597 [2024-11-08 16:50:42,560 INFO L226 Difference]: Without dead ends: 393 [2024-11-08 16:50:42,561 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 237 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=96, Invalid=410, Unknown=0, NotChecked=0, Total=506 [2024-11-08 16:50:42,562 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 95 mSDsluCounter, 428 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 538 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-08 16:50:42,563 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 538 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-08 16:50:42,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2024-11-08 16:50:42,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 310. [2024-11-08 16:50:42,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 288 states have (on average 1.2395833333333333) internal successors, (357), 288 states have internal predecessors, (357), 15 states have call successors, (15), 6 states have call predecessors, (15), 6 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-08 16:50:42,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 387 transitions. [2024-11-08 16:50:42,666 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 387 transitions. Word has length 129 [2024-11-08 16:50:42,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:50:42,667 INFO L471 AbstractCegarLoop]: Abstraction has 310 states and 387 transitions. [2024-11-08 16:50:42,667 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:50:42,667 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 387 transitions. [2024-11-08 16:50:42,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-08 16:50:42,668 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:50:42,669 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:50:42,679 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (32)] Ended with exit code 0 [2024-11-08 16:50:42,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:50:42,869 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:50:42,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:50:42,870 INFO L85 PathProgramCache]: Analyzing trace with hash 1208777992, now seen corresponding path program 1 times [2024-11-08 16:50:42,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:50:42,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1047697695] [2024-11-08 16:50:42,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:50:42,870 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:50:42,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:50:42,871 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:50:42,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (33)] Waiting until timeout for monitored process [2024-11-08 16:50:43,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:43,370 INFO L255 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-08 16:50:43,375 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:50:45,057 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 14 [2024-11-08 16:50:45,091 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-11-08 16:50:45,535 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2024-11-08 16:50:45,539 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 14 [2024-11-08 16:50:46,178 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2024-11-08 16:50:46,246 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 6 proven. 134 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-11-08 16:50:46,246 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:50:46,979 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2024-11-08 16:50:46,979 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:50:46,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1047697695] [2024-11-08 16:50:46,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1047697695] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 16:50:46,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 16:50:46,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 14 [2024-11-08 16:50:46,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504878776] [2024-11-08 16:50:46,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:50:46,980 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 16:50:46,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:50:46,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 16:50:46,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2024-11-08 16:50:46,981 INFO L87 Difference]: Start difference. First operand 310 states and 387 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:50:47,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:50:47,528 INFO L93 Difference]: Finished difference Result 575 states and 730 transitions. [2024-11-08 16:50:47,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 16:50:47,529 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 129 [2024-11-08 16:50:47,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:50:47,530 INFO L225 Difference]: With dead ends: 575 [2024-11-08 16:50:47,530 INFO L226 Difference]: Without dead ends: 380 [2024-11-08 16:50:47,531 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 243 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2024-11-08 16:50:47,531 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 39 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 372 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 16:50:47,532 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 372 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 16:50:47,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2024-11-08 16:50:47,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 357. [2024-11-08 16:50:47,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 335 states have (on average 1.2626865671641792) internal successors, (423), 335 states have internal predecessors, (423), 15 states have call successors, (15), 6 states have call predecessors, (15), 6 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-08 16:50:47,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 453 transitions. [2024-11-08 16:50:47,610 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 453 transitions. Word has length 129 [2024-11-08 16:50:47,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:50:47,610 INFO L471 AbstractCegarLoop]: Abstraction has 357 states and 453 transitions. [2024-11-08 16:50:47,610 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:50:47,610 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 453 transitions. [2024-11-08 16:50:47,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-08 16:50:47,611 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:50:47,611 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:50:47,618 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (33)] Forceful destruction successful, exit code 0 [2024-11-08 16:50:47,811 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:50:47,811 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:50:47,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:50:47,812 INFO L85 PathProgramCache]: Analyzing trace with hash 1888836362, now seen corresponding path program 1 times [2024-11-08 16:50:47,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:50:47,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1774113644] [2024-11-08 16:50:47,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:50:47,813 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:50:47,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:50:47,816 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:50:47,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (34)] Waiting until timeout for monitored process [2024-11-08 16:50:48,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:48,377 INFO L255 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-08 16:50:48,382 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:50:48,986 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 14 [2024-11-08 16:50:49,606 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 23 [2024-11-08 16:50:49,998 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-11-08 16:50:50,284 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 3 proven. 136 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-11-08 16:50:50,284 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:50:51,156 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2024-11-08 16:50:51,156 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:50:51,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1774113644] [2024-11-08 16:50:51,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1774113644] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 16:50:51,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 16:50:51,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [15] total 23 [2024-11-08 16:50:51,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947290734] [2024-11-08 16:50:51,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:50:51,157 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-08 16:50:51,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:50:51,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-08 16:50:51,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=442, Unknown=0, NotChecked=0, Total=506 [2024-11-08 16:50:51,158 INFO L87 Difference]: Start difference. First operand 357 states and 453 transitions. Second operand has 11 states, 11 states have (on average 6.454545454545454) internal successors, (71), 11 states have internal predecessors, (71), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:50:52,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:50:52,860 INFO L93 Difference]: Finished difference Result 652 states and 826 transitions. [2024-11-08 16:50:52,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 16:50:52,861 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.454545454545454) internal successors, (71), 11 states have internal predecessors, (71), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 129 [2024-11-08 16:50:52,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:50:52,862 INFO L225 Difference]: With dead ends: 652 [2024-11-08 16:50:52,862 INFO L226 Difference]: Without dead ends: 410 [2024-11-08 16:50:52,863 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 234 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=109, Invalid=703, Unknown=0, NotChecked=0, Total=812 [2024-11-08 16:50:52,863 INFO L432 NwaCegarLoop]: 130 mSDtfsCounter, 90 mSDsluCounter, 1012 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 1142 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-08 16:50:52,864 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 1142 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-08 16:50:52,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2024-11-08 16:50:52,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 366. [2024-11-08 16:50:52,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 344 states have (on average 1.255813953488372) internal successors, (432), 344 states have internal predecessors, (432), 15 states have call successors, (15), 6 states have call predecessors, (15), 6 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-08 16:50:52,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 462 transitions. [2024-11-08 16:50:52,967 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 462 transitions. Word has length 129 [2024-11-08 16:50:52,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:50:52,967 INFO L471 AbstractCegarLoop]: Abstraction has 366 states and 462 transitions. [2024-11-08 16:50:52,967 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.454545454545454) internal successors, (71), 11 states have internal predecessors, (71), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:50:52,967 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 462 transitions. [2024-11-08 16:50:52,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-08 16:50:52,969 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:50:52,969 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:50:52,979 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (34)] Ended with exit code 0 [2024-11-08 16:50:53,169 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:50:53,169 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:50:53,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:50:53,170 INFO L85 PathProgramCache]: Analyzing trace with hash 35240266, now seen corresponding path program 1 times [2024-11-08 16:50:53,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:50:53,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1397337607] [2024-11-08 16:50:53,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:50:53,170 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:50:53,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:50:53,171 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:50:53,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (35)] Waiting until timeout for monitored process [2024-11-08 16:50:53,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:53,665 INFO L255 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-08 16:50:53,667 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:50:54,238 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 14 [2024-11-08 16:50:54,790 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 23 [2024-11-08 16:50:54,933 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-11-08 16:50:55,084 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 3 proven. 136 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-11-08 16:50:55,084 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:50:55,367 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2024-11-08 16:50:55,367 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:50:55,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1397337607] [2024-11-08 16:50:55,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1397337607] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 16:50:55,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 16:50:55,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [13] total 19 [2024-11-08 16:50:55,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847259887] [2024-11-08 16:50:55,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:50:55,368 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:50:55,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:50:55,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:50:55,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=298, Unknown=0, NotChecked=0, Total=342 [2024-11-08 16:50:55,369 INFO L87 Difference]: Start difference. First operand 366 states and 462 transitions. Second operand has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 9 states have internal predecessors, (71), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:50:55,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:50:55,966 INFO L93 Difference]: Finished difference Result 643 states and 816 transitions. [2024-11-08 16:50:55,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 16:50:55,967 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 9 states have internal predecessors, (71), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 129 [2024-11-08 16:50:55,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:50:55,968 INFO L225 Difference]: With dead ends: 643 [2024-11-08 16:50:55,968 INFO L226 Difference]: Without dead ends: 392 [2024-11-08 16:50:55,969 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 238 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=66, Invalid=486, Unknown=0, NotChecked=0, Total=552 [2024-11-08 16:50:55,969 INFO L432 NwaCegarLoop]: 131 mSDtfsCounter, 39 mSDsluCounter, 794 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 925 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 16:50:55,969 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 925 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 16:50:55,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2024-11-08 16:50:56,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 357. [2024-11-08 16:50:56,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 335 states have (on average 1.2626865671641792) internal successors, (423), 335 states have internal predecessors, (423), 15 states have call successors, (15), 6 states have call predecessors, (15), 6 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-08 16:50:56,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 453 transitions. [2024-11-08 16:50:56,037 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 453 transitions. Word has length 129 [2024-11-08 16:50:56,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:50:56,037 INFO L471 AbstractCegarLoop]: Abstraction has 357 states and 453 transitions. [2024-11-08 16:50:56,038 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 9 states have internal predecessors, (71), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:50:56,038 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 453 transitions. [2024-11-08 16:50:56,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-08 16:50:56,038 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:50:56,038 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:50:56,048 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (35)] Ended with exit code 0 [2024-11-08 16:50:56,239 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:50:56,239 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:50:56,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:50:56,239 INFO L85 PathProgramCache]: Analyzing trace with hash -2020512878, now seen corresponding path program 1 times [2024-11-08 16:50:56,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:50:56,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2146817935] [2024-11-08 16:50:56,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:50:56,240 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:50:56,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:50:56,241 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:50:56,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (36)] Waiting until timeout for monitored process [2024-11-08 16:50:56,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:56,722 INFO L255 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 16:50:56,725 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:50:57,130 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-11-08 16:50:57,164 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 42 [2024-11-08 16:50:57,171 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2024-11-08 16:50:57,208 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 11 proven. 123 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 16:50:57,208 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:50:57,331 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2024-11-08 16:50:57,331 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:50:57,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2146817935] [2024-11-08 16:50:57,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2146817935] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 16:50:57,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 16:50:57,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 10 [2024-11-08 16:50:57,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904428004] [2024-11-08 16:50:57,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:50:57,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 16:50:57,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:50:57,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 16:50:57,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-08 16:50:57,333 INFO L87 Difference]: Start difference. First operand 357 states and 453 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:50:57,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:50:57,612 INFO L93 Difference]: Finished difference Result 619 states and 797 transitions. [2024-11-08 16:50:57,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 16:50:57,613 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 130 [2024-11-08 16:50:57,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:50:57,614 INFO L225 Difference]: With dead ends: 619 [2024-11-08 16:50:57,614 INFO L226 Difference]: Without dead ends: 377 [2024-11-08 16:50:57,615 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 251 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2024-11-08 16:50:57,615 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 42 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 353 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 16:50:57,615 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 353 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 16:50:57,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2024-11-08 16:50:57,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 369. [2024-11-08 16:50:57,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 369 states, 347 states have (on average 1.2536023054755043) internal successors, (435), 347 states have internal predecessors, (435), 15 states have call successors, (15), 6 states have call predecessors, (15), 6 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-08 16:50:57,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 465 transitions. [2024-11-08 16:50:57,711 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 465 transitions. Word has length 130 [2024-11-08 16:50:57,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:50:57,711 INFO L471 AbstractCegarLoop]: Abstraction has 369 states and 465 transitions. [2024-11-08 16:50:57,711 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:50:57,711 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 465 transitions. [2024-11-08 16:50:57,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-08 16:50:57,712 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:50:57,713 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:50:57,723 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (36)] Forceful destruction successful, exit code 0 [2024-11-08 16:50:57,913 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:50:57,913 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:50:57,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:50:57,914 INFO L85 PathProgramCache]: Analyzing trace with hash 1956267992, now seen corresponding path program 1 times [2024-11-08 16:50:57,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:50:57,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [259300668] [2024-11-08 16:50:57,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:50:57,915 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:50:57,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:50:57,916 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:50:57,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (37)] Waiting until timeout for monitored process [2024-11-08 16:50:58,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:50:58,388 INFO L255 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-08 16:50:58,392 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:50:59,448 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 14 [2024-11-08 16:50:59,472 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-11-08 16:50:59,875 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2024-11-08 16:51:00,296 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-11-08 16:51:00,430 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2024-11-08 16:51:00,474 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 17 proven. 123 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-11-08 16:51:00,474 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:51:00,646 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-11-08 16:51:00,646 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:51:00,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [259300668] [2024-11-08 16:51:00,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [259300668] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 16:51:00,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 16:51:00,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 14 [2024-11-08 16:51:00,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324559565] [2024-11-08 16:51:00,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:51:00,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 16:51:00,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:51:00,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 16:51:00,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2024-11-08 16:51:00,648 INFO L87 Difference]: Start difference. First operand 369 states and 465 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:51:00,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:51:00,930 INFO L93 Difference]: Finished difference Result 807 states and 1009 transitions. [2024-11-08 16:51:00,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 16:51:00,931 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 132 [2024-11-08 16:51:00,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:51:00,933 INFO L225 Difference]: With dead ends: 807 [2024-11-08 16:51:00,933 INFO L226 Difference]: Without dead ends: 429 [2024-11-08 16:51:00,934 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 249 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2024-11-08 16:51:00,934 INFO L432 NwaCegarLoop]: 136 mSDtfsCounter, 76 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 375 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 16:51:00,935 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 375 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 16:51:00,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2024-11-08 16:51:01,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 358. [2024-11-08 16:51:01,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 358 states, 336 states have (on average 1.2202380952380953) internal successors, (410), 336 states have internal predecessors, (410), 15 states have call successors, (15), 6 states have call predecessors, (15), 6 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-08 16:51:01,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 440 transitions. [2024-11-08 16:51:01,009 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 440 transitions. Word has length 132 [2024-11-08 16:51:01,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:51:01,009 INFO L471 AbstractCegarLoop]: Abstraction has 358 states and 440 transitions. [2024-11-08 16:51:01,010 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:51:01,010 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 440 transitions. [2024-11-08 16:51:01,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-08 16:51:01,011 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:51:01,011 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:51:01,023 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (37)] Ended with exit code 0 [2024-11-08 16:51:01,211 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:51:01,212 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:51:01,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:51:01,212 INFO L85 PathProgramCache]: Analyzing trace with hash 1135034551, now seen corresponding path program 1 times [2024-11-08 16:51:01,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:51:01,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [387597943] [2024-11-08 16:51:01,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:51:01,213 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:51:01,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:51:01,218 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:51:01,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (38)] Waiting until timeout for monitored process [2024-11-08 16:51:01,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:51:01,716 INFO L255 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 16:51:01,719 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:51:02,133 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-11-08 16:51:02,173 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 42 [2024-11-08 16:51:02,177 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2024-11-08 16:51:02,235 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 11 proven. 123 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 16:51:02,235 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:51:02,399 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2024-11-08 16:51:02,399 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:51:02,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [387597943] [2024-11-08 16:51:02,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [387597943] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 16:51:02,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 16:51:02,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 12 [2024-11-08 16:51:02,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174606840] [2024-11-08 16:51:02,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:51:02,400 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 16:51:02,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:51:02,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 16:51:02,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-08 16:51:02,401 INFO L87 Difference]: Start difference. First operand 358 states and 440 transitions. Second operand has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:51:02,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:51:02,801 INFO L93 Difference]: Finished difference Result 609 states and 761 transitions. [2024-11-08 16:51:02,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 16:51:02,802 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 132 [2024-11-08 16:51:02,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:51:02,803 INFO L225 Difference]: With dead ends: 609 [2024-11-08 16:51:02,803 INFO L226 Difference]: Without dead ends: 358 [2024-11-08 16:51:02,804 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 253 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2024-11-08 16:51:02,804 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 37 mSDsluCounter, 344 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 424 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 16:51:02,804 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 424 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 16:51:02,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2024-11-08 16:51:02,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 338. [2024-11-08 16:51:02,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 338 states, 316 states have (on average 1.2151898734177216) internal successors, (384), 316 states have internal predecessors, (384), 15 states have call successors, (15), 6 states have call predecessors, (15), 6 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-08 16:51:02,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 414 transitions. [2024-11-08 16:51:02,895 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 414 transitions. Word has length 132 [2024-11-08 16:51:02,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:51:02,896 INFO L471 AbstractCegarLoop]: Abstraction has 338 states and 414 transitions. [2024-11-08 16:51:02,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:51:02,896 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 414 transitions. [2024-11-08 16:51:02,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-08 16:51:02,897 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:51:02,897 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:51:02,907 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (38)] Ended with exit code 0 [2024-11-08 16:51:03,098 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:51:03,098 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:51:03,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:51:03,099 INFO L85 PathProgramCache]: Analyzing trace with hash 211428811, now seen corresponding path program 1 times [2024-11-08 16:51:03,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:51:03,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1548972484] [2024-11-08 16:51:03,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:51:03,099 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:51:03,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:51:03,100 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:51:03,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (39)] Waiting until timeout for monitored process [2024-11-08 16:51:03,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:51:03,618 INFO L255 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-08 16:51:03,624 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:51:05,394 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 14 [2024-11-08 16:51:05,449 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-11-08 16:51:07,206 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 37 [2024-11-08 16:51:07,260 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 20 [2024-11-08 16:51:08,443 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 33 [2024-11-08 16:51:08,449 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 42 [2024-11-08 16:51:08,452 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 45 [2024-11-08 16:51:08,671 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 13 proven. 125 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-11-08 16:51:08,671 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:51:09,991 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2024-11-08 16:51:09,992 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:51:09,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1548972484] [2024-11-08 16:51:09,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1548972484] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 16:51:09,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 16:51:09,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [13] total 19 [2024-11-08 16:51:09,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189790342] [2024-11-08 16:51:09,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:51:09,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 16:51:09,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:51:09,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 16:51:09,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=272, Unknown=0, NotChecked=0, Total=342 [2024-11-08 16:51:09,993 INFO L87 Difference]: Start difference. First operand 338 states and 414 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 7 states have internal predecessors, (74), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:51:11,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:51:11,455 INFO L93 Difference]: Finished difference Result 645 states and 785 transitions. [2024-11-08 16:51:11,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 16:51:11,457 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 7 states have internal predecessors, (74), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 132 [2024-11-08 16:51:11,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:51:11,459 INFO L225 Difference]: With dead ends: 645 [2024-11-08 16:51:11,459 INFO L226 Difference]: Without dead ends: 414 [2024-11-08 16:51:11,459 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 244 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=87, Invalid=333, Unknown=0, NotChecked=0, Total=420 [2024-11-08 16:51:11,459 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 132 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:51:11,460 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 380 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-08 16:51:11,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2024-11-08 16:51:11,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 317. [2024-11-08 16:51:11,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317 states, 295 states have (on average 1.2101694915254237) internal successors, (357), 295 states have internal predecessors, (357), 15 states have call successors, (15), 6 states have call predecessors, (15), 6 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-08 16:51:11,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 387 transitions. [2024-11-08 16:51:11,547 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 387 transitions. Word has length 132 [2024-11-08 16:51:11,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:51:11,548 INFO L471 AbstractCegarLoop]: Abstraction has 317 states and 387 transitions. [2024-11-08 16:51:11,548 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 7 states have internal predecessors, (74), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:51:11,548 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 387 transitions. [2024-11-08 16:51:11,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-08 16:51:11,549 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:51:11,549 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:51:11,560 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (39)] Ended with exit code 0 [2024-11-08 16:51:11,750 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:51:11,750 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:51:11,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:51:11,750 INFO L85 PathProgramCache]: Analyzing trace with hash 1365611232, now seen corresponding path program 1 times [2024-11-08 16:51:11,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:51:11,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1718253435] [2024-11-08 16:51:11,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:51:11,751 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:51:11,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:51:11,752 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:51:11,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (40)] Waiting until timeout for monitored process [2024-11-08 16:51:12,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:51:12,287 INFO L255 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-08 16:51:12,293 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:51:14,015 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 14 [2024-11-08 16:51:14,049 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-11-08 16:51:14,782 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2024-11-08 16:51:15,788 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2024-11-08 16:51:16,626 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 28 [2024-11-08 16:51:16,723 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 136 treesize of output 112 [2024-11-08 16:51:16,958 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 6 proven. 162 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-08 16:51:16,958 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:51:18,344 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2024-11-08 16:51:18,344 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:51:18,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1718253435] [2024-11-08 16:51:18,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1718253435] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 16:51:18,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 16:51:18,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [20] total 28 [2024-11-08 16:51:18,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698224434] [2024-11-08 16:51:18,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:51:18,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-08 16:51:18,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:51:18,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-08 16:51:18,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=665, Unknown=0, NotChecked=0, Total=756 [2024-11-08 16:51:18,347 INFO L87 Difference]: Start difference. First operand 317 states and 387 transitions. Second operand has 11 states, 11 states have (on average 7.090909090909091) internal successors, (78), 11 states have internal predecessors, (78), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:51:20,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:51:20,084 INFO L93 Difference]: Finished difference Result 554 states and 684 transitions. [2024-11-08 16:51:20,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 16:51:20,085 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.090909090909091) internal successors, (78), 11 states have internal predecessors, (78), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 136 [2024-11-08 16:51:20,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:51:20,086 INFO L225 Difference]: With dead ends: 554 [2024-11-08 16:51:20,086 INFO L226 Difference]: Without dead ends: 344 [2024-11-08 16:51:20,086 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 276 GetRequests, 243 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=136, Invalid=986, Unknown=0, NotChecked=0, Total=1122 [2024-11-08 16:51:20,086 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 99 mSDsluCounter, 676 mSDsCounter, 0 mSdLazyCounter, 363 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 781 SdHoareTripleChecker+Invalid, 364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:51:20,087 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 781 Invalid, 364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 363 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-08 16:51:20,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2024-11-08 16:51:20,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 317. [2024-11-08 16:51:20,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317 states, 295 states have (on average 1.2101694915254237) internal successors, (357), 295 states have internal predecessors, (357), 15 states have call successors, (15), 6 states have call predecessors, (15), 6 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-08 16:51:20,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 387 transitions. [2024-11-08 16:51:20,144 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 387 transitions. Word has length 136 [2024-11-08 16:51:20,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:51:20,145 INFO L471 AbstractCegarLoop]: Abstraction has 317 states and 387 transitions. [2024-11-08 16:51:20,145 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.090909090909091) internal successors, (78), 11 states have internal predecessors, (78), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:51:20,145 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 387 transitions. [2024-11-08 16:51:20,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-08 16:51:20,146 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:51:20,146 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:51:20,155 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (40)] Forceful destruction successful, exit code 0 [2024-11-08 16:51:20,347 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:51:20,347 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:51:20,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:51:20,347 INFO L85 PathProgramCache]: Analyzing trace with hash 2045669602, now seen corresponding path program 1 times [2024-11-08 16:51:20,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:51:20,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1884953597] [2024-11-08 16:51:20,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:51:20,348 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:51:20,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:51:20,349 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:51:20,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (41)] Waiting until timeout for monitored process [2024-11-08 16:51:20,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:51:20,903 INFO L255 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-08 16:51:20,908 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:51:22,686 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 14 [2024-11-08 16:51:22,735 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-11-08 16:51:23,512 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2024-11-08 16:51:24,130 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2024-11-08 16:51:24,248 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 22 [2024-11-08 16:51:24,680 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2024-11-08 16:51:24,759 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 6 proven. 134 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-11-08 16:51:24,759 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:51:27,035 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:51:27,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1884953597] [2024-11-08 16:51:27,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1884953597] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:51:27,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1703690951] [2024-11-08 16:51:27,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:51:27,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:51:27,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:51:27,037 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:51:27,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2024-11-08 16:51:27,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:51:27,425 INFO L255 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-08 16:51:27,429 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:51:29,295 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 14 [2024-11-08 16:51:29,408 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-11-08 16:51:29,725 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-11-08 16:51:30,118 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2024-11-08 16:51:31,302 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 29 [2024-11-08 16:51:31,308 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-11-08 16:51:33,062 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 47 [2024-11-08 16:51:33,446 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 22 [2024-11-08 16:51:33,887 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-11-08 16:51:33,901 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2024-11-08 16:51:34,820 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 33 [2024-11-08 16:51:34,908 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 6 proven. 134 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-11-08 16:51:34,908 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:51:36,022 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-11-08 16:51:37,776 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2024-11-08 16:51:37,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1703690951] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 16:51:37,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-08 16:51:37,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [13, 16] total 37 [2024-11-08 16:51:37,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687076390] [2024-11-08 16:51:37,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:51:37,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-08 16:51:37,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:51:37,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-08 16:51:37,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=294, Invalid=1598, Unknown=0, NotChecked=0, Total=1892 [2024-11-08 16:51:37,779 INFO L87 Difference]: Start difference. First operand 317 states and 387 transitions. Second operand has 11 states, 11 states have (on average 7.090909090909091) internal successors, (78), 11 states have internal predecessors, (78), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:51:39,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:51:39,929 INFO L93 Difference]: Finished difference Result 544 states and 672 transitions. [2024-11-08 16:51:39,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 16:51:39,931 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.090909090909091) internal successors, (78), 11 states have internal predecessors, (78), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 136 [2024-11-08 16:51:39,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:51:39,932 INFO L225 Difference]: With dead ends: 544 [2024-11-08 16:51:39,932 INFO L226 Difference]: Without dead ends: 334 [2024-11-08 16:51:39,933 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 447 GetRequests, 397 SyntacticMatches, 5 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 785 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=334, Invalid=1828, Unknown=0, NotChecked=0, Total=2162 [2024-11-08 16:51:39,934 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 331 mSDsluCounter, 429 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 331 SdHoareTripleChecker+Valid, 506 SdHoareTripleChecker+Invalid, 257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-08 16:51:39,934 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [331 Valid, 506 Invalid, 257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-08 16:51:39,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2024-11-08 16:51:39,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 301. [2024-11-08 16:51:39,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 279 states have (on average 1.2150537634408602) internal successors, (339), 279 states have internal predecessors, (339), 15 states have call successors, (15), 6 states have call predecessors, (15), 6 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-08 16:51:39,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 369 transitions. [2024-11-08 16:51:39,997 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 369 transitions. Word has length 136 [2024-11-08 16:51:39,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:51:39,998 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 369 transitions. [2024-11-08 16:51:39,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.090909090909091) internal successors, (78), 11 states have internal predecessors, (78), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:51:39,998 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 369 transitions. [2024-11-08 16:51:39,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-08 16:51:39,999 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:51:39,999 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:51:40,021 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Forceful destruction successful, exit code 0 [2024-11-08 16:51:40,207 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (41)] Forceful destruction successful, exit code 0 [2024-11-08 16:51:40,400 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,41 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:51:40,400 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:51:40,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:51:40,400 INFO L85 PathProgramCache]: Analyzing trace with hash -11227740, now seen corresponding path program 2 times [2024-11-08 16:51:40,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:51:40,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [18249567] [2024-11-08 16:51:40,401 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-08 16:51:40,401 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:51:40,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:51:40,402 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:51:40,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (43)] Waiting until timeout for monitored process [2024-11-08 16:51:40,781 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-08 16:51:40,781 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 16:51:40,787 INFO L255 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 16:51:40,791 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:51:40,797 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-08 16:51:41,030 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 32 [2024-11-08 16:51:41,074 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2024-11-08 16:51:41,074 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:51:41,074 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:51:41,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [18249567] [2024-11-08 16:51:41,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [18249567] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:51:41,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:51:41,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:51:41,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806207579] [2024-11-08 16:51:41,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:51:41,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 16:51:41,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:51:41,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 16:51:41,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-08 16:51:41,076 INFO L87 Difference]: Start difference. First operand 301 states and 369 transitions. Second operand has 8 states, 8 states have (on average 9.375) internal successors, (75), 8 states have internal predecessors, (75), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:51:41,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:51:41,705 INFO L93 Difference]: Finished difference Result 517 states and 643 transitions. [2024-11-08 16:51:41,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 16:51:41,706 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.375) internal successors, (75), 8 states have internal predecessors, (75), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 190 [2024-11-08 16:51:41,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:51:41,707 INFO L225 Difference]: With dead ends: 517 [2024-11-08 16:51:41,707 INFO L226 Difference]: Without dead ends: 0 [2024-11-08 16:51:41,708 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-11-08 16:51:41,708 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 50 mSDsluCounter, 494 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 583 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 16:51:41,708 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 583 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 16:51:41,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-08 16:51:41,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-08 16:51:41,709 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) [2024-11-08 16:51:41,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-08 16:51:41,709 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 190 [2024-11-08 16:51:41,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:51:41,709 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-08 16:51:41,709 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.375) internal successors, (75), 8 states have internal predecessors, (75), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:51:41,709 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-08 16:51:41,709 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 16:51:41,711 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 16:51:41,719 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (43)] Ended with exit code 0 [2024-11-08 16:51:41,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44172c8f-5cbc-4cff-9d29-2325d4dc2c42/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:51:41,915 INFO L407 BasicCegarLoop]: Path program histogram: [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] [2024-11-08 16:51:41,916 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.