./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya --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 7ff62df6f9603281bf0e236ab8865fc937b3dc90e8a1704cf1768013825b0923 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 02:55:32,290 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 02:55:32,355 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 02:55:32,361 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 02:55:32,362 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 02:55:32,386 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 02:55:32,387 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 02:55:32,387 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 02:55:32,388 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 02:55:32,389 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 02:55:32,389 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 02:55:32,390 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 02:55:32,390 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 02:55:32,391 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 02:55:32,391 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 02:55:32,392 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 02:55:32,392 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 02:55:32,393 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 02:55:32,393 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 02:55:32,394 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 02:55:32,394 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 02:55:32,395 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 02:55:32,395 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 02:55:32,396 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 02:55:32,396 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 02:55:32,397 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 02:55:32,397 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 02:55:32,398 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 02:55:32,398 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 02:55:32,399 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 02:55:32,399 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 02:55:32,399 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:55:32,400 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 02:55:32,400 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 02:55:32,401 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 02:55:32,401 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 02:55:32,401 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 02:55:32,402 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 02:55:32,402 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 02:55:32,402 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 02:55:32,403 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 02:55:32,403 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 02:55:32,403 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_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7ff62df6f9603281bf0e236ab8865fc937b3dc90e8a1704cf1768013825b0923 [2023-11-29 02:55:32,620 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 02:55:32,652 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 02:55:32,654 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 02:55:32,655 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 02:55:32,656 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 02:55:32,657 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-3.i [2023-11-29 02:55:35,561 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 02:55:35,748 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 02:55:35,749 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-3.i [2023-11-29 02:55:35,760 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/data/b89941aa4/cdc1da581a4b41d38b4dce98b497aa16/FLAG3b26459f1 [2023-11-29 02:55:35,775 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/data/b89941aa4/cdc1da581a4b41d38b4dce98b497aa16 [2023-11-29 02:55:35,778 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 02:55:35,779 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 02:55:35,781 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 02:55:35,781 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 02:55:35,787 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 02:55:35,788 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:55:35" (1/1) ... [2023-11-29 02:55:35,789 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44e9c3a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:55:35, skipping insertion in model container [2023-11-29 02:55:35,789 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:55:35" (1/1) ... [2023-11-29 02:55:35,826 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 02:55:35,983 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-3.i[918,931] [2023-11-29 02:55:36,061 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:55:36,075 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 02:55:36,089 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-3.i[918,931] [2023-11-29 02:55:36,129 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:55:36,147 INFO L206 MainTranslator]: Completed translation [2023-11-29 02:55:36,148 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:55:36 WrapperNode [2023-11-29 02:55:36,148 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 02:55:36,149 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 02:55:36,149 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 02:55:36,149 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 02:55:36,156 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:55:36" (1/1) ... [2023-11-29 02:55:36,169 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:55:36" (1/1) ... [2023-11-29 02:55:36,216 INFO L138 Inliner]: procedures = 26, calls = 47, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 277 [2023-11-29 02:55:36,216 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 02:55:36,217 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 02:55:36,217 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 02:55:36,217 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 02:55:36,229 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:55:36" (1/1) ... [2023-11-29 02:55:36,229 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:55:36" (1/1) ... [2023-11-29 02:55:36,234 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:55:36" (1/1) ... [2023-11-29 02:55:36,257 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-29 02:55:36,257 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:55:36" (1/1) ... [2023-11-29 02:55:36,257 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:55:36" (1/1) ... [2023-11-29 02:55:36,272 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:55:36" (1/1) ... [2023-11-29 02:55:36,277 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:55:36" (1/1) ... [2023-11-29 02:55:36,282 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:55:36" (1/1) ... [2023-11-29 02:55:36,285 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:55:36" (1/1) ... [2023-11-29 02:55:36,294 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 02:55:36,295 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 02:55:36,296 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 02:55:36,296 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 02:55:36,297 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:55:36" (1/1) ... [2023-11-29 02:55:36,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:55:36,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:55:36,332 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 02:55:36,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 02:55:36,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 02:55:36,375 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 02:55:36,375 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 02:55:36,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 02:55:36,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 02:55:36,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 02:55:36,487 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 02:55:36,489 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 02:55:36,945 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 02:55:36,980 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 02:55:36,980 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 02:55:36,981 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:55:36 BoogieIcfgContainer [2023-11-29 02:55:36,981 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 02:55:36,984 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 02:55:36,985 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 02:55:36,987 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 02:55:36,987 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 02:55:35" (1/3) ... [2023-11-29 02:55:36,988 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e1a4758 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:55:36, skipping insertion in model container [2023-11-29 02:55:36,988 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:55:36" (2/3) ... [2023-11-29 02:55:36,989 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e1a4758 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:55:36, skipping insertion in model container [2023-11-29 02:55:36,989 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:55:36" (3/3) ... [2023-11-29 02:55:36,990 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-3.i [2023-11-29 02:55:37,008 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 02:55:37,008 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 02:55:37,070 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 02:55:37,077 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@60089817, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 02:55:37,077 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 02:55:37,082 INFO L276 IsEmpty]: Start isEmpty. Operand has 111 states, 74 states have (on average 1.5945945945945945) internal successors, (118), 75 states have internal predecessors, (118), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2023-11-29 02:55:37,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2023-11-29 02:55:37,102 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:55:37,103 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:55:37,104 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:55:37,109 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:55:37,110 INFO L85 PathProgramCache]: Analyzing trace with hash -1586734023, now seen corresponding path program 1 times [2023-11-29 02:55:37,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:55:37,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134123087] [2023-11-29 02:55:37,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:55:37,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:55:37,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:55:37,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:55:37,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134123087] [2023-11-29 02:55:37,341 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-29 02:55:37,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [922264376] [2023-11-29 02:55:37,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:55:37,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:55:37,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:55:37,354 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:55:37,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 02:55:37,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:55:37,582 INFO L262 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 02:55:37,598 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:55:37,657 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 2178 trivial. 0 not checked. [2023-11-29 02:55:37,657 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:55:37,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [922264376] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:55:37,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:55:37,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:55:37,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163089097] [2023-11-29 02:55:37,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:55:37,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 02:55:37,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:55:37,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 02:55:37,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 02:55:37,704 INFO L87 Difference]: Start difference. First operand has 111 states, 74 states have (on average 1.5945945945945945) internal successors, (118), 75 states have internal predecessors, (118), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) Second operand has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) [2023-11-29 02:55:37,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:55:37,763 INFO L93 Difference]: Finished difference Result 219 states and 404 transitions. [2023-11-29 02:55:37,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 02:55:37,766 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) Word has length 217 [2023-11-29 02:55:37,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:55:37,776 INFO L225 Difference]: With dead ends: 219 [2023-11-29 02:55:37,776 INFO L226 Difference]: Without dead ends: 109 [2023-11-29 02:55:37,781 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 02:55:37,785 INFO L413 NwaCegarLoop]: 177 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:55:37,786 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 177 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:55:37,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2023-11-29 02:55:37,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2023-11-29 02:55:37,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 73 states have (on average 1.5342465753424657) internal successors, (112), 73 states have internal predecessors, (112), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2023-11-29 02:55:37,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 180 transitions. [2023-11-29 02:55:37,846 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 180 transitions. Word has length 217 [2023-11-29 02:55:37,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:55:37,847 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 180 transitions. [2023-11-29 02:55:37,847 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) [2023-11-29 02:55:37,848 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 180 transitions. [2023-11-29 02:55:37,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2023-11-29 02:55:37,853 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:55:37,854 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:55:37,861 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 02:55:38,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:55:38,055 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:55:38,056 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:55:38,056 INFO L85 PathProgramCache]: Analyzing trace with hash 103945201, now seen corresponding path program 1 times [2023-11-29 02:55:38,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:55:38,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063755020] [2023-11-29 02:55:38,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:55:38,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:55:38,132 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:55:38,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [554702725] [2023-11-29 02:55:38,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:55:38,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:55:38,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:55:38,134 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:55:38,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 02:55:38,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:55:38,319 INFO L262 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 02:55:38,325 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:55:38,706 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2023-11-29 02:55:38,706 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:55:38,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:55:38,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063755020] [2023-11-29 02:55:38,706 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 02:55:38,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [554702725] [2023-11-29 02:55:38,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [554702725] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:55:38,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:55:38,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 02:55:38,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836238854] [2023-11-29 02:55:38,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:55:38,709 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 02:55:38,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:55:38,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 02:55:38,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 02:55:38,711 INFO L87 Difference]: Start difference. First operand 109 states and 180 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 02:55:38,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:55:38,946 INFO L93 Difference]: Finished difference Result 326 states and 540 transitions. [2023-11-29 02:55:38,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 02:55:38,947 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 217 [2023-11-29 02:55:38,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:55:38,951 INFO L225 Difference]: With dead ends: 326 [2023-11-29 02:55:38,952 INFO L226 Difference]: Without dead ends: 218 [2023-11-29 02:55:38,953 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 02:55:38,954 INFO L413 NwaCegarLoop]: 172 mSDtfsCounter, 83 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 440 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 02:55:38,955 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 440 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 02:55:38,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2023-11-29 02:55:38,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 215. [2023-11-29 02:55:38,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 144 states have (on average 1.5347222222222223) internal successors, (221), 144 states have internal predecessors, (221), 68 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2023-11-29 02:55:38,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 357 transitions. [2023-11-29 02:55:38,995 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 357 transitions. Word has length 217 [2023-11-29 02:55:38,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:55:38,996 INFO L495 AbstractCegarLoop]: Abstraction has 215 states and 357 transitions. [2023-11-29 02:55:38,996 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 02:55:38,996 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 357 transitions. [2023-11-29 02:55:39,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2023-11-29 02:55:39,001 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:55:39,001 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:55:39,006 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 02:55:39,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:55:39,206 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:55:39,206 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:55:39,207 INFO L85 PathProgramCache]: Analyzing trace with hash 1112967747, now seen corresponding path program 1 times [2023-11-29 02:55:39,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:55:39,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771996912] [2023-11-29 02:55:39,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:55:39,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:55:39,260 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:55:39,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1075554043] [2023-11-29 02:55:39,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:55:39,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:55:39,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:55:39,263 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:55:39,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 02:55:39,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:55:39,443 INFO L262 TraceCheckSpWp]: Trace formula consists of 495 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 02:55:39,450 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:55:39,733 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2023-11-29 02:55:39,734 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:55:39,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:55:39,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771996912] [2023-11-29 02:55:39,734 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 02:55:39,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1075554043] [2023-11-29 02:55:39,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1075554043] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:55:39,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:55:39,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:55:39,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488500910] [2023-11-29 02:55:39,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:55:39,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:55:39,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:55:39,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:55:39,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:55:39,738 INFO L87 Difference]: Start difference. First operand 215 states and 357 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 02:55:39,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:55:39,840 INFO L93 Difference]: Finished difference Result 643 states and 1069 transitions. [2023-11-29 02:55:39,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:55:39,841 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 218 [2023-11-29 02:55:39,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:55:39,847 INFO L225 Difference]: With dead ends: 643 [2023-11-29 02:55:39,847 INFO L226 Difference]: Without dead ends: 429 [2023-11-29 02:55:39,849 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:55:39,850 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 85 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:55:39,851 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 334 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 02:55:39,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2023-11-29 02:55:39,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 427. [2023-11-29 02:55:39,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 427 states, 286 states have (on average 1.5314685314685315) internal successors, (438), 286 states have internal predecessors, (438), 136 states have call successors, (136), 4 states have call predecessors, (136), 4 states have return successors, (136), 136 states have call predecessors, (136), 136 states have call successors, (136) [2023-11-29 02:55:39,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 710 transitions. [2023-11-29 02:55:39,912 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 710 transitions. Word has length 218 [2023-11-29 02:55:39,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:55:39,914 INFO L495 AbstractCegarLoop]: Abstraction has 427 states and 710 transitions. [2023-11-29 02:55:39,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 02:55:39,914 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 710 transitions. [2023-11-29 02:55:39,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2023-11-29 02:55:39,917 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:55:39,918 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:55:39,924 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 02:55:40,121 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:55:40,122 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:55:40,122 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:55:40,123 INFO L85 PathProgramCache]: Analyzing trace with hash -1785965692, now seen corresponding path program 1 times [2023-11-29 02:55:40,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:55:40,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993652322] [2023-11-29 02:55:40,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:55:40,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:55:40,204 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:55:40,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [135309672] [2023-11-29 02:55:40,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:55:40,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:55:40,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:55:40,210 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:55:40,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 02:55:40,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:55:40,391 INFO L262 TraceCheckSpWp]: Trace formula consists of 496 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 02:55:40,398 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:55:40,649 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2023-11-29 02:55:40,650 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:55:40,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:55:40,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993652322] [2023-11-29 02:55:40,650 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 02:55:40,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [135309672] [2023-11-29 02:55:40,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [135309672] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:55:40,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:55:40,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:55:40,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529746252] [2023-11-29 02:55:40,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:55:40,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:55:40,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:55:40,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:55:40,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:55:40,653 INFO L87 Difference]: Start difference. First operand 427 states and 710 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 02:55:40,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:55:40,748 INFO L93 Difference]: Finished difference Result 1279 states and 2128 transitions. [2023-11-29 02:55:40,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:55:40,748 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 219 [2023-11-29 02:55:40,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:55:40,756 INFO L225 Difference]: With dead ends: 1279 [2023-11-29 02:55:40,756 INFO L226 Difference]: Without dead ends: 853 [2023-11-29 02:55:40,759 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:55:40,760 INFO L413 NwaCegarLoop]: 167 mSDtfsCounter, 84 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:55:40,760 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 332 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:55:40,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 853 states. [2023-11-29 02:55:40,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 853 to 847. [2023-11-29 02:55:40,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 847 states, 566 states have (on average 1.530035335689046) internal successors, (866), 566 states have internal predecessors, (866), 272 states have call successors, (272), 8 states have call predecessors, (272), 8 states have return successors, (272), 272 states have call predecessors, (272), 272 states have call successors, (272) [2023-11-29 02:55:40,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 847 states to 847 states and 1410 transitions. [2023-11-29 02:55:40,840 INFO L78 Accepts]: Start accepts. Automaton has 847 states and 1410 transitions. Word has length 219 [2023-11-29 02:55:40,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:55:40,841 INFO L495 AbstractCegarLoop]: Abstraction has 847 states and 1410 transitions. [2023-11-29 02:55:40,841 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 02:55:40,841 INFO L276 IsEmpty]: Start isEmpty. Operand 847 states and 1410 transitions. [2023-11-29 02:55:40,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2023-11-29 02:55:40,844 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:55:40,845 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:55:40,851 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-29 02:55:41,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:55:41,051 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:55:41,051 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:55:41,051 INFO L85 PathProgramCache]: Analyzing trace with hash -1303490050, now seen corresponding path program 1 times [2023-11-29 02:55:41,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:55:41,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738420096] [2023-11-29 02:55:41,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:55:41,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:55:41,090 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:55:41,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [586306784] [2023-11-29 02:55:41,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:55:41,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:55:41,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:55:41,092 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:55:41,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-29 02:55:41,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:55:41,263 INFO L262 TraceCheckSpWp]: Trace formula consists of 497 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 02:55:41,269 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:55:41,457 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 1083 proven. 36 refuted. 0 times theorem prover too weak. 1125 trivial. 0 not checked. [2023-11-29 02:55:41,458 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:55:41,729 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 63 proven. 36 refuted. 0 times theorem prover too weak. 2145 trivial. 0 not checked. [2023-11-29 02:55:41,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:55:41,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738420096] [2023-11-29 02:55:41,729 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 02:55:41,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [586306784] [2023-11-29 02:55:41,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [586306784] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:55:41,730 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 02:55:41,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2023-11-29 02:55:41,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817577936] [2023-11-29 02:55:41,731 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 02:55:41,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 02:55:41,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:55:41,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 02:55:41,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2023-11-29 02:55:41,733 INFO L87 Difference]: Start difference. First operand 847 states and 1410 transitions. Second operand has 10 states, 10 states have (on average 7.9) internal successors, (79), 10 states have internal predecessors, (79), 3 states have call successors, (46), 2 states have call predecessors, (46), 4 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2023-11-29 02:55:42,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:55:42,376 INFO L93 Difference]: Finished difference Result 2245 states and 3681 transitions. [2023-11-29 02:55:42,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 02:55:42,377 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.9) internal successors, (79), 10 states have internal predecessors, (79), 3 states have call successors, (46), 2 states have call predecessors, (46), 4 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) Word has length 220 [2023-11-29 02:55:42,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:55:42,389 INFO L225 Difference]: With dead ends: 2245 [2023-11-29 02:55:42,389 INFO L226 Difference]: Without dead ends: 1399 [2023-11-29 02:55:42,393 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 445 GetRequests, 430 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=171, Unknown=0, NotChecked=0, Total=272 [2023-11-29 02:55:42,394 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 411 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 370 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 453 SdHoareTripleChecker+Valid, 508 SdHoareTripleChecker+Invalid, 467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 02:55:42,394 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [453 Valid, 508 Invalid, 467 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 370 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-29 02:55:42,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1399 states. [2023-11-29 02:55:42,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1399 to 1355. [2023-11-29 02:55:42,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1355 states, 932 states have (on average 1.5289699570815452) internal successors, (1425), 938 states have internal predecessors, (1425), 398 states have call successors, (398), 24 states have call predecessors, (398), 24 states have return successors, (398), 392 states have call predecessors, (398), 398 states have call successors, (398) [2023-11-29 02:55:42,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1355 states to 1355 states and 2221 transitions. [2023-11-29 02:55:42,575 INFO L78 Accepts]: Start accepts. Automaton has 1355 states and 2221 transitions. Word has length 220 [2023-11-29 02:55:42,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:55:42,576 INFO L495 AbstractCegarLoop]: Abstraction has 1355 states and 2221 transitions. [2023-11-29 02:55:42,576 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.9) internal successors, (79), 10 states have internal predecessors, (79), 3 states have call successors, (46), 2 states have call predecessors, (46), 4 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2023-11-29 02:55:42,576 INFO L276 IsEmpty]: Start isEmpty. Operand 1355 states and 2221 transitions. [2023-11-29 02:55:42,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2023-11-29 02:55:42,580 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:55:42,580 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:55:42,586 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-29 02:55:42,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:55:42,781 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:55:42,781 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:55:42,781 INFO L85 PathProgramCache]: Analyzing trace with hash 297494227, now seen corresponding path program 1 times [2023-11-29 02:55:42,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:55:42,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486683848] [2023-11-29 02:55:42,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:55:42,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:55:42,819 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:55:42,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [42308162] [2023-11-29 02:55:42,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:55:42,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:55:42,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:55:42,821 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:55:42,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-29 02:55:42,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:55:42,988 INFO L262 TraceCheckSpWp]: Trace formula consists of 499 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 02:55:42,993 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:55:43,242 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2023-11-29 02:55:43,242 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:55:43,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:55:43,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486683848] [2023-11-29 02:55:43,243 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 02:55:43,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [42308162] [2023-11-29 02:55:43,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [42308162] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:55:43,243 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:55:43,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:55:43,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932786892] [2023-11-29 02:55:43,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:55:43,244 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:55:43,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:55:43,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:55:43,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:55:43,245 INFO L87 Difference]: Start difference. First operand 1355 states and 2221 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 2 states have internal predecessors, (54), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 02:55:43,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:55:43,482 INFO L93 Difference]: Finished difference Result 4056 states and 6654 transitions. [2023-11-29 02:55:43,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:55:43,482 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 2 states have internal predecessors, (54), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 221 [2023-11-29 02:55:43,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:55:43,502 INFO L225 Difference]: With dead ends: 4056 [2023-11-29 02:55:43,502 INFO L226 Difference]: Without dead ends: 2702 [2023-11-29 02:55:43,506 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:55:43,507 INFO L413 NwaCegarLoop]: 200 mSDtfsCounter, 78 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:55:43,507 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 349 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 02:55:43,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2702 states. [2023-11-29 02:55:43,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2702 to 2700. [2023-11-29 02:55:43,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2700 states, 1855 states have (on average 1.5013477088948788) internal successors, (2785), 1867 states have internal predecessors, (2785), 796 states have call successors, (796), 48 states have call predecessors, (796), 48 states have return successors, (796), 784 states have call predecessors, (796), 796 states have call successors, (796) [2023-11-29 02:55:43,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2700 states to 2700 states and 4377 transitions. [2023-11-29 02:55:43,806 INFO L78 Accepts]: Start accepts. Automaton has 2700 states and 4377 transitions. Word has length 221 [2023-11-29 02:55:43,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:55:43,807 INFO L495 AbstractCegarLoop]: Abstraction has 2700 states and 4377 transitions. [2023-11-29 02:55:43,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 2 states have internal predecessors, (54), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 02:55:43,807 INFO L276 IsEmpty]: Start isEmpty. Operand 2700 states and 4377 transitions. [2023-11-29 02:55:43,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2023-11-29 02:55:43,810 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:55:43,810 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:55:43,816 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-29 02:55:44,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-29 02:55:44,011 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:55:44,011 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:55:44,011 INFO L85 PathProgramCache]: Analyzing trace with hash -1088771754, now seen corresponding path program 1 times [2023-11-29 02:55:44,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:55:44,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207423231] [2023-11-29 02:55:44,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:55:44,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:55:44,043 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:55:44,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [485105108] [2023-11-29 02:55:44,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:55:44,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:55:44,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:55:44,045 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:55:44,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-29 02:55:44,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:55:44,234 INFO L262 TraceCheckSpWp]: Trace formula consists of 500 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 02:55:44,240 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:55:44,553 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2023-11-29 02:55:44,553 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:55:44,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:55:44,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207423231] [2023-11-29 02:55:44,554 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 02:55:44,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [485105108] [2023-11-29 02:55:44,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [485105108] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:55:44,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:55:44,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 02:55:44,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426782446] [2023-11-29 02:55:44,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:55:44,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 02:55:44,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:55:44,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 02:55:44,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 02:55:44,557 INFO L87 Difference]: Start difference. First operand 2700 states and 4377 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 02:55:44,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:55:44,917 INFO L93 Difference]: Finished difference Result 5415 states and 8782 transitions. [2023-11-29 02:55:44,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 02:55:44,918 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 221 [2023-11-29 02:55:44,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:55:44,940 INFO L225 Difference]: With dead ends: 5415 [2023-11-29 02:55:44,940 INFO L226 Difference]: Without dead ends: 2716 [2023-11-29 02:55:44,950 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 02:55:44,951 INFO L413 NwaCegarLoop]: 173 mSDtfsCounter, 76 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 441 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 02:55:44,951 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 441 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 02:55:44,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2716 states. [2023-11-29 02:55:45,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2716 to 2693. [2023-11-29 02:55:45,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2693 states, 1848 states have (on average 1.4956709956709957) internal successors, (2764), 1860 states have internal predecessors, (2764), 796 states have call successors, (796), 48 states have call predecessors, (796), 48 states have return successors, (796), 784 states have call predecessors, (796), 796 states have call successors, (796) [2023-11-29 02:55:45,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2693 states to 2693 states and 4356 transitions. [2023-11-29 02:55:45,263 INFO L78 Accepts]: Start accepts. Automaton has 2693 states and 4356 transitions. Word has length 221 [2023-11-29 02:55:45,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:55:45,264 INFO L495 AbstractCegarLoop]: Abstraction has 2693 states and 4356 transitions. [2023-11-29 02:55:45,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 02:55:45,264 INFO L276 IsEmpty]: Start isEmpty. Operand 2693 states and 4356 transitions. [2023-11-29 02:55:45,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2023-11-29 02:55:45,267 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:55:45,268 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:55:45,274 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-11-29 02:55:45,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-11-29 02:55:45,469 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:55:45,469 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:55:45,469 INFO L85 PathProgramCache]: Analyzing trace with hash -1756875816, now seen corresponding path program 1 times [2023-11-29 02:55:45,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:55:45,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526820603] [2023-11-29 02:55:45,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:55:45,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:55:45,501 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:55:45,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1128041675] [2023-11-29 02:55:45,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:55:45,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:55:45,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:55:45,503 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:55:45,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-29 02:55:45,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:55:45,707 INFO L262 TraceCheckSpWp]: Trace formula consists of 501 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 02:55:45,712 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:55:45,966 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2023-11-29 02:55:45,966 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:55:45,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:55:45,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526820603] [2023-11-29 02:55:45,967 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 02:55:45,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1128041675] [2023-11-29 02:55:45,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1128041675] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:55:45,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:55:45,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:55:45,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703103370] [2023-11-29 02:55:45,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:55:45,968 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:55:45,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:55:45,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:55:45,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:55:45,969 INFO L87 Difference]: Start difference. First operand 2693 states and 4356 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 2 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 02:55:46,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:55:46,314 INFO L93 Difference]: Finished difference Result 8077 states and 13066 transitions. [2023-11-29 02:55:46,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:55:46,315 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 2 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 222 [2023-11-29 02:55:46,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:55:46,359 INFO L225 Difference]: With dead ends: 8077 [2023-11-29 02:55:46,359 INFO L226 Difference]: Without dead ends: 5385 [2023-11-29 02:55:46,371 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:55:46,371 INFO L413 NwaCegarLoop]: 166 mSDtfsCounter, 60 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:55:46,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 326 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 02:55:46,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5385 states. [2023-11-29 02:55:46,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5385 to 5383. [2023-11-29 02:55:47,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5383 states, 3694 states have (on average 1.4656199242014076) internal successors, (5414), 3718 states have internal predecessors, (5414), 1592 states have call successors, (1592), 96 states have call predecessors, (1592), 96 states have return successors, (1592), 1568 states have call predecessors, (1592), 1592 states have call successors, (1592) [2023-11-29 02:55:47,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5383 states to 5383 states and 8598 transitions. [2023-11-29 02:55:47,027 INFO L78 Accepts]: Start accepts. Automaton has 5383 states and 8598 transitions. Word has length 222 [2023-11-29 02:55:47,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:55:47,028 INFO L495 AbstractCegarLoop]: Abstraction has 5383 states and 8598 transitions. [2023-11-29 02:55:47,028 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 2 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 02:55:47,028 INFO L276 IsEmpty]: Start isEmpty. Operand 5383 states and 8598 transitions. [2023-11-29 02:55:47,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2023-11-29 02:55:47,030 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:55:47,031 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:55:47,036 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-11-29 02:55:47,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:55:47,234 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:55:47,234 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:55:47,234 INFO L85 PathProgramCache]: Analyzing trace with hash -2001979350, now seen corresponding path program 1 times [2023-11-29 02:55:47,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:55:47,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812380699] [2023-11-29 02:55:47,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:55:47,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:55:47,259 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:55:47,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2006059580] [2023-11-29 02:55:47,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:55:47,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:55:47,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:55:47,260 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:55:47,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-29 02:55:47,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:55:47,417 INFO L262 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 02:55:47,420 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:55:47,437 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2023-11-29 02:55:47,437 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:55:47,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:55:47,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812380699] [2023-11-29 02:55:47,437 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 02:55:47,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2006059580] [2023-11-29 02:55:47,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2006059580] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:55:47,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:55:47,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 02:55:47,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228429080] [2023-11-29 02:55:47,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:55:47,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:55:47,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:55:47,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:55:47,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:55:47,440 INFO L87 Difference]: Start difference. First operand 5383 states and 8598 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 02:55:47,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:55:47,924 INFO L93 Difference]: Finished difference Result 10683 states and 17168 transitions. [2023-11-29 02:55:47,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:55:47,924 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 223 [2023-11-29 02:55:47,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:55:47,980 INFO L225 Difference]: With dead ends: 10683 [2023-11-29 02:55:47,980 INFO L226 Difference]: Without dead ends: 7991 [2023-11-29 02:55:47,991 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:55:47,992 INFO L413 NwaCegarLoop]: 320 mSDtfsCounter, 164 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:55:47,992 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 469 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 02:55:48,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7991 states. [2023-11-29 02:55:48,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7991 to 7989. [2023-11-29 02:55:48,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7989 states, 5456 states have (on average 1.4523460410557185) internal successors, (7924), 5492 states have internal predecessors, (7924), 2388 states have call successors, (2388), 144 states have call predecessors, (2388), 144 states have return successors, (2388), 2352 states have call predecessors, (2388), 2388 states have call successors, (2388) [2023-11-29 02:55:48,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7989 states to 7989 states and 12700 transitions. [2023-11-29 02:55:48,942 INFO L78 Accepts]: Start accepts. Automaton has 7989 states and 12700 transitions. Word has length 223 [2023-11-29 02:55:48,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:55:48,942 INFO L495 AbstractCegarLoop]: Abstraction has 7989 states and 12700 transitions. [2023-11-29 02:55:48,943 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 02:55:48,943 INFO L276 IsEmpty]: Start isEmpty. Operand 7989 states and 12700 transitions. [2023-11-29 02:55:48,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2023-11-29 02:55:48,945 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:55:48,945 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:55:48,951 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-29 02:55:49,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:55:49,152 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:55:49,152 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:55:49,152 INFO L85 PathProgramCache]: Analyzing trace with hash 1428307856, now seen corresponding path program 1 times [2023-11-29 02:55:49,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:55:49,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004247778] [2023-11-29 02:55:49,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:55:49,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:55:49,183 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:55:49,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1606642271] [2023-11-29 02:55:49,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:55:49,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:55:49,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:55:49,185 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:55:49,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-29 02:55:49,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:55:49,337 INFO L262 TraceCheckSpWp]: Trace formula consists of 503 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 02:55:49,341 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:55:49,365 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2023-11-29 02:55:49,365 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:55:49,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:55:49,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004247778] [2023-11-29 02:55:49,365 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 02:55:49,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1606642271] [2023-11-29 02:55:49,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1606642271] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:55:49,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:55:49,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 02:55:49,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580742538] [2023-11-29 02:55:49,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:55:49,367 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:55:49,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:55:49,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:55:49,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:55:49,368 INFO L87 Difference]: Start difference. First operand 7989 states and 12700 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 02:55:49,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:55:49,693 INFO L93 Difference]: Finished difference Result 18131 states and 28728 transitions. [2023-11-29 02:55:49,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:55:49,693 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 223 [2023-11-29 02:55:49,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:55:49,742 INFO L225 Difference]: With dead ends: 18131 [2023-11-29 02:55:49,742 INFO L226 Difference]: Without dead ends: 10143 [2023-11-29 02:55:49,765 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:55:49,766 INFO L413 NwaCegarLoop]: 209 mSDtfsCounter, 37 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 372 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:55:49,766 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 372 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:55:49,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10143 states. [2023-11-29 02:55:50,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10143 to 8745. [2023-11-29 02:55:50,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8745 states, 6212 states have (on average 1.4513844172569221) internal successors, (9016), 6248 states have internal predecessors, (9016), 2388 states have call successors, (2388), 144 states have call predecessors, (2388), 144 states have return successors, (2388), 2352 states have call predecessors, (2388), 2388 states have call successors, (2388) [2023-11-29 02:55:50,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8745 states to 8745 states and 13792 transitions. [2023-11-29 02:55:50,755 INFO L78 Accepts]: Start accepts. Automaton has 8745 states and 13792 transitions. Word has length 223 [2023-11-29 02:55:50,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:55:50,755 INFO L495 AbstractCegarLoop]: Abstraction has 8745 states and 13792 transitions. [2023-11-29 02:55:50,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 02:55:50,756 INFO L276 IsEmpty]: Start isEmpty. Operand 8745 states and 13792 transitions. [2023-11-29 02:55:50,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2023-11-29 02:55:50,758 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:55:50,758 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:55:50,763 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-29 02:55:50,958 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-29 02:55:50,959 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:55:50,959 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:55:50,959 INFO L85 PathProgramCache]: Analyzing trace with hash -1695483855, now seen corresponding path program 1 times [2023-11-29 02:55:50,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:55:50,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106853174] [2023-11-29 02:55:50,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:55:50,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:55:50,991 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:55:50,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1065948936] [2023-11-29 02:55:50,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:55:50,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:55:50,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:55:50,993 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:55:50,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-29 02:55:51,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:55:51,154 INFO L262 TraceCheckSpWp]: Trace formula consists of 505 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 02:55:51,159 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:55:51,815 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2023-11-29 02:55:51,815 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:55:51,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:55:51,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106853174] [2023-11-29 02:55:51,815 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 02:55:51,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1065948936] [2023-11-29 02:55:51,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1065948936] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:55:51,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:55:51,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:55:51,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347888735] [2023-11-29 02:55:51,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:55:51,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:55:51,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:55:51,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:55:51,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:55:51,817 INFO L87 Difference]: Start difference. First operand 8745 states and 13792 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 2 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 02:55:52,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:55:52,203 INFO L93 Difference]: Finished difference Result 17503 states and 27596 transitions. [2023-11-29 02:55:52,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:55:52,204 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 2 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 224 [2023-11-29 02:55:52,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:55:52,226 INFO L225 Difference]: With dead ends: 17503 [2023-11-29 02:55:52,226 INFO L226 Difference]: Without dead ends: 8759 [2023-11-29 02:55:52,246 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:55:52,246 INFO L413 NwaCegarLoop]: 165 mSDtfsCounter, 79 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:55:52,247 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 324 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:55:52,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8759 states. [2023-11-29 02:55:52,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8759 to 8745. [2023-11-29 02:55:52,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8745 states, 6212 states have (on average 1.4494526722472634) internal successors, (9004), 6248 states have internal predecessors, (9004), 2388 states have call successors, (2388), 144 states have call predecessors, (2388), 144 states have return successors, (2388), 2352 states have call predecessors, (2388), 2388 states have call successors, (2388) [2023-11-29 02:55:52,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8745 states to 8745 states and 13780 transitions. [2023-11-29 02:55:52,891 INFO L78 Accepts]: Start accepts. Automaton has 8745 states and 13780 transitions. Word has length 224 [2023-11-29 02:55:52,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:55:52,891 INFO L495 AbstractCegarLoop]: Abstraction has 8745 states and 13780 transitions. [2023-11-29 02:55:52,892 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 2 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 02:55:52,892 INFO L276 IsEmpty]: Start isEmpty. Operand 8745 states and 13780 transitions. [2023-11-29 02:55:52,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2023-11-29 02:55:52,894 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:55:52,894 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:55:52,900 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2023-11-29 02:55:53,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-11-29 02:55:53,095 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:55:53,095 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:55:53,095 INFO L85 PathProgramCache]: Analyzing trace with hash -1672851601, now seen corresponding path program 1 times [2023-11-29 02:55:53,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:55:53,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931718401] [2023-11-29 02:55:53,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:55:53,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:55:53,125 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:55:53,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [656830441] [2023-11-29 02:55:53,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:55:53,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:55:53,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:55:53,127 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:55:53,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-29 02:55:53,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:55:53,373 INFO L262 TraceCheckSpWp]: Trace formula consists of 503 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-29 02:55:53,379 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:55:54,448 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 672 proven. 0 refuted. 0 times theorem prover too weak. 1572 trivial. 0 not checked. [2023-11-29 02:55:54,448 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:55:54,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:55:54,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931718401] [2023-11-29 02:55:54,449 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 02:55:54,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [656830441] [2023-11-29 02:55:54,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [656830441] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:55:54,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:55:54,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 02:55:54,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715478561] [2023-11-29 02:55:54,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:55:54,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 02:55:54,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:55:54,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 02:55:54,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-29 02:55:54,451 INFO L87 Difference]: Start difference. First operand 8745 states and 13780 transitions. Second operand has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 8 states have internal predecessors, (60), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-11-29 02:55:56,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:55:56,110 INFO L93 Difference]: Finished difference Result 18879 states and 29737 transitions. [2023-11-29 02:55:56,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 02:55:56,111 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 8 states have internal predecessors, (60), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 224 [2023-11-29 02:55:56,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:55:56,149 INFO L225 Difference]: With dead ends: 18879 [2023-11-29 02:55:56,149 INFO L226 Difference]: Without dead ends: 10135 [2023-11-29 02:55:56,172 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2023-11-29 02:55:56,173 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 702 mSDsluCounter, 624 mSDsCounter, 0 mSdLazyCounter, 875 mSolverCounterSat, 294 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 702 SdHoareTripleChecker+Valid, 764 SdHoareTripleChecker+Invalid, 1169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 294 IncrementalHoareTripleChecker+Valid, 875 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-29 02:55:56,173 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [702 Valid, 764 Invalid, 1169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [294 Valid, 875 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-29 02:55:56,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10135 states. [2023-11-29 02:55:56,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10135 to 10071. [2023-11-29 02:55:56,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10071 states, 7158 states have (on average 1.447052249231629) internal successors, (10358), 7198 states have internal predecessors, (10358), 2744 states have call successors, (2744), 168 states have call predecessors, (2744), 168 states have return successors, (2744), 2704 states have call predecessors, (2744), 2744 states have call successors, (2744) [2023-11-29 02:55:57,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10071 states to 10071 states and 15846 transitions. [2023-11-29 02:55:57,017 INFO L78 Accepts]: Start accepts. Automaton has 10071 states and 15846 transitions. Word has length 224 [2023-11-29 02:55:57,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:55:57,018 INFO L495 AbstractCegarLoop]: Abstraction has 10071 states and 15846 transitions. [2023-11-29 02:55:57,018 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 8 states have internal predecessors, (60), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-11-29 02:55:57,018 INFO L276 IsEmpty]: Start isEmpty. Operand 10071 states and 15846 transitions. [2023-11-29 02:55:57,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2023-11-29 02:55:57,020 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:55:57,021 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:55:57,029 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-11-29 02:55:57,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-29 02:55:57,227 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:55:57,227 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:55:57,228 INFO L85 PathProgramCache]: Analyzing trace with hash -642891309, now seen corresponding path program 1 times [2023-11-29 02:55:57,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:55:57,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414834776] [2023-11-29 02:55:57,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:55:57,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:55:57,256 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:55:57,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1711474124] [2023-11-29 02:55:57,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:55:57,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:55:57,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:55:57,258 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:55:57,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-29 02:55:57,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:55:57,497 INFO L262 TraceCheckSpWp]: Trace formula consists of 503 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-29 02:55:57,503 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:55:58,178 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 1166 proven. 117 refuted. 0 times theorem prover too weak. 961 trivial. 0 not checked. [2023-11-29 02:55:58,178 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:55:58,599 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 42 proven. 57 refuted. 0 times theorem prover too weak. 2145 trivial. 0 not checked. [2023-11-29 02:55:58,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:55:58,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414834776] [2023-11-29 02:55:58,599 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 02:55:58,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1711474124] [2023-11-29 02:55:58,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1711474124] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:55:58,600 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 02:55:58,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 15 [2023-11-29 02:55:58,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579825107] [2023-11-29 02:55:58,600 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 02:55:58,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-29 02:55:58,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:55:58,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-29 02:55:58,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2023-11-29 02:55:58,603 INFO L87 Difference]: Start difference. First operand 10071 states and 15846 transitions. Second operand has 15 states, 15 states have (on average 7.333333333333333) internal successors, (110), 15 states have internal predecessors, (110), 4 states have call successors, (55), 3 states have call predecessors, (55), 6 states have return successors, (56), 4 states have call predecessors, (56), 4 states have call successors, (56) [2023-11-29 02:56:01,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:56:01,492 INFO L93 Difference]: Finished difference Result 25185 states and 37927 transitions. [2023-11-29 02:56:01,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-11-29 02:56:01,493 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 7.333333333333333) internal successors, (110), 15 states have internal predecessors, (110), 4 states have call successors, (55), 3 states have call predecessors, (55), 6 states have return successors, (56), 4 states have call predecessors, (56), 4 states have call successors, (56) Word has length 224 [2023-11-29 02:56:01,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:56:01,533 INFO L225 Difference]: With dead ends: 25185 [2023-11-29 02:56:01,533 INFO L226 Difference]: Without dead ends: 18069 [2023-11-29 02:56:01,549 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 492 GetRequests, 437 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1015 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=775, Invalid=2417, Unknown=0, NotChecked=0, Total=3192 [2023-11-29 02:56:01,549 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 1430 mSDsluCounter, 655 mSDsCounter, 0 mSdLazyCounter, 697 mSolverCounterSat, 650 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1443 SdHoareTripleChecker+Valid, 781 SdHoareTripleChecker+Invalid, 1347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 650 IncrementalHoareTripleChecker+Valid, 697 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:56:01,550 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1443 Valid, 781 Invalid, 1347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [650 Valid, 697 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-29 02:56:01,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18069 states. [2023-11-29 02:56:03,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18069 to 17269. [2023-11-29 02:56:03,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17269 states, 12352 states have (on average 1.3852007772020725) internal successors, (17110), 12466 states have internal predecessors, (17110), 4274 states have call successors, (4274), 642 states have call predecessors, (4274), 642 states have return successors, (4274), 4160 states have call predecessors, (4274), 4274 states have call successors, (4274) [2023-11-29 02:56:03,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17269 states to 17269 states and 25658 transitions. [2023-11-29 02:56:03,190 INFO L78 Accepts]: Start accepts. Automaton has 17269 states and 25658 transitions. Word has length 224 [2023-11-29 02:56:03,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:56:03,191 INFO L495 AbstractCegarLoop]: Abstraction has 17269 states and 25658 transitions. [2023-11-29 02:56:03,191 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 7.333333333333333) internal successors, (110), 15 states have internal predecessors, (110), 4 states have call successors, (55), 3 states have call predecessors, (55), 6 states have return successors, (56), 4 states have call predecessors, (56), 4 states have call successors, (56) [2023-11-29 02:56:03,191 INFO L276 IsEmpty]: Start isEmpty. Operand 17269 states and 25658 transitions. [2023-11-29 02:56:03,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2023-11-29 02:56:03,193 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:56:03,193 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:56:03,199 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-11-29 02:56:03,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-29 02:56:03,394 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:56:03,394 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:56:03,394 INFO L85 PathProgramCache]: Analyzing trace with hash 2005256198, now seen corresponding path program 1 times [2023-11-29 02:56:03,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:56:03,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492075618] [2023-11-29 02:56:03,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:56:03,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:56:03,421 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:56:03,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [413517901] [2023-11-29 02:56:03,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:56:03,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:56:03,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:56:03,424 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:56:03,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-29 02:56:03,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:03,668 INFO L262 TraceCheckSpWp]: Trace formula consists of 499 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 02:56:03,673 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:56:03,906 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2023-11-29 02:56:03,906 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:56:03,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:56:03,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492075618] [2023-11-29 02:56:03,906 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 02:56:03,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [413517901] [2023-11-29 02:56:03,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [413517901] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:56:03,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:56:03,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 02:56:03,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661813436] [2023-11-29 02:56:03,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:56:03,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 02:56:03,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:56:03,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 02:56:03,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:56:03,909 INFO L87 Difference]: Start difference. First operand 17269 states and 25658 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 02:56:05,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:56:05,727 INFO L93 Difference]: Finished difference Result 34992 states and 52275 transitions. [2023-11-29 02:56:05,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 02:56:05,727 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 224 [2023-11-29 02:56:05,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:56:05,816 INFO L225 Difference]: With dead ends: 34992 [2023-11-29 02:56:05,817 INFO L226 Difference]: Without dead ends: 25788 [2023-11-29 02:56:05,843 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-29 02:56:05,844 INFO L413 NwaCegarLoop]: 504 mSDtfsCounter, 373 mSDsluCounter, 814 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 373 SdHoareTripleChecker+Valid, 1318 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 02:56:05,845 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [373 Valid, 1318 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 02:56:05,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25788 states. [2023-11-29 02:56:08,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25788 to 23706. [2023-11-29 02:56:08,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23706 states, 17027 states have (on average 1.384624420038762) internal successors, (23576), 17189 states have internal predecessors, (23576), 5814 states have call successors, (5814), 864 states have call predecessors, (5814), 864 states have return successors, (5814), 5652 states have call predecessors, (5814), 5814 states have call successors, (5814) [2023-11-29 02:56:08,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23706 states to 23706 states and 35204 transitions. [2023-11-29 02:56:08,625 INFO L78 Accepts]: Start accepts. Automaton has 23706 states and 35204 transitions. Word has length 224 [2023-11-29 02:56:08,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:56:08,626 INFO L495 AbstractCegarLoop]: Abstraction has 23706 states and 35204 transitions. [2023-11-29 02:56:08,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 02:56:08,626 INFO L276 IsEmpty]: Start isEmpty. Operand 23706 states and 35204 transitions. [2023-11-29 02:56:08,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2023-11-29 02:56:08,628 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:56:08,628 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:56:08,633 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2023-11-29 02:56:08,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-29 02:56:08,828 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:56:08,829 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:56:08,829 INFO L85 PathProgramCache]: Analyzing trace with hash 947502064, now seen corresponding path program 1 times [2023-11-29 02:56:08,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:56:08,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207357361] [2023-11-29 02:56:08,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:56:08,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:56:08,853 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:56:08,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [860692577] [2023-11-29 02:56:08,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:56:08,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:56:08,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:56:08,854 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:56:08,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-11-29 02:56:09,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 02:56:09,167 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 02:56:09,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 02:56:09,406 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 02:56:09,406 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 02:56:09,407 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 02:56:09,415 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2023-11-29 02:56:09,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-11-29 02:56:09,612 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:56:09,615 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 02:56:09,724 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-29 02:56:09,725 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated [2023-11-29 02:56:09,725 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet6 could not be translated [2023-11-29 02:56:09,726 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet7 could not be translated [2023-11-29 02:56:09,726 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet6 could not be translated [2023-11-29 02:56:09,728 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet8 could not be translated [2023-11-29 02:56:09,729 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short28 could not be translated [2023-11-29 02:56:09,758 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 02:56:09 BoogieIcfgContainer [2023-11-29 02:56:09,758 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 02:56:09,759 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 02:56:09,759 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 02:56:09,759 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 02:56:09,760 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:55:36" (3/4) ... [2023-11-29 02:56:09,761 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 02:56:09,763 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 02:56:09,763 INFO L158 Benchmark]: Toolchain (without parser) took 33984.00ms. Allocated memory was 157.3MB in the beginning and 1.9GB in the end (delta: 1.7GB). Free memory was 117.3MB in the beginning and 830.7MB in the end (delta: -713.4MB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2023-11-29 02:56:09,764 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 157.3MB. Free memory is still 131.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:56:09,764 INFO L158 Benchmark]: CACSL2BoogieTranslator took 367.19ms. Allocated memory is still 157.3MB. Free memory was 117.3MB in the beginning and 101.3MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-29 02:56:09,764 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.80ms. Allocated memory is still 157.3MB. Free memory was 101.3MB in the beginning and 96.0MB in the end (delta: 5.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 02:56:09,765 INFO L158 Benchmark]: Boogie Preprocessor took 77.51ms. Allocated memory is still 157.3MB. Free memory was 96.0MB in the beginning and 90.1MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 02:56:09,765 INFO L158 Benchmark]: RCFGBuilder took 685.74ms. Allocated memory was 157.3MB in the beginning and 207.6MB in the end (delta: 50.3MB). Free memory was 90.1MB in the beginning and 170.2MB in the end (delta: -80.1MB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB. [2023-11-29 02:56:09,766 INFO L158 Benchmark]: TraceAbstraction took 32773.85ms. Allocated memory was 207.6MB in the beginning and 1.9GB in the end (delta: 1.7GB). Free memory was 169.1MB in the beginning and 830.7MB in the end (delta: -661.6MB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2023-11-29 02:56:09,766 INFO L158 Benchmark]: Witness Printer took 4.06ms. Allocated memory is still 1.9GB. Free memory is still 830.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:56:09,768 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 157.3MB. Free memory is still 131.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 367.19ms. Allocated memory is still 157.3MB. Free memory was 117.3MB in the beginning and 101.3MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.80ms. Allocated memory is still 157.3MB. Free memory was 101.3MB in the beginning and 96.0MB in the end (delta: 5.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.51ms. Allocated memory is still 157.3MB. Free memory was 96.0MB in the beginning and 90.1MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 685.74ms. Allocated memory was 157.3MB in the beginning and 207.6MB in the end (delta: 50.3MB). Free memory was 90.1MB in the beginning and 170.2MB in the end (delta: -80.1MB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB. * TraceAbstraction took 32773.85ms. Allocated memory was 207.6MB in the beginning and 1.9GB in the end (delta: 1.7GB). Free memory was 169.1MB in the beginning and 830.7MB in the end (delta: -661.6MB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. * Witness Printer took 4.06ms. Allocated memory is still 1.9GB. Free memory is still 830.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet7 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet8 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short28 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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 198, overapproximation of bitwiseOr at line 132, overapproximation of bitwiseAnd at line 77. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = -64; [L23] unsigned char var_1_3 = 1; [L24] signed char var_1_5 = -32; [L25] unsigned short int var_1_6 = 256; [L26] unsigned long int var_1_10 = 256; [L27] double var_1_12 = 8.2; [L28] signed char var_1_13 = 16; [L29] signed char var_1_14 = 10; [L30] double var_1_15 = 199.125; [L31] double var_1_16 = 9.4; [L32] double var_1_17 = 9999999999999.6; [L33] unsigned char var_1_20 = 32; [L34] unsigned char var_1_21 = 128; [L35] unsigned char var_1_22 = 64; [L36] unsigned long int var_1_23 = 64; [L37] unsigned long int var_1_24 = 5; [L38] signed short int var_1_28 = 256; [L39] signed long int var_1_30 = -4; [L40] signed short int var_1_31 = 64; [L41] double var_1_32 = 0.0; [L42] double var_1_33 = 3.85; [L43] unsigned short int var_1_34 = 34858; [L44] unsigned short int var_1_35 = 41225; [L45] double var_1_37 = 63.63; [L46] double var_1_38 = 64.6; [L47] signed char var_1_39 = 10; [L48] signed char var_1_40 = -25; [L49] signed char var_1_41 = 4; [L50] unsigned char var_1_42 = 50; [L51] unsigned char var_1_44 = 10; [L52] unsigned char var_1_45 = 16; [L53] unsigned char var_1_47 = 0; [L54] unsigned long int last_1_var_1_10 = 256; [L55] unsigned char last_1_var_1_20 = 32; [L202] isInitial = 1 [L203] FCALL initially() [L204] COND TRUE 1 [L205] CALL updateLastVariables() [L194] last_1_var_1_10 = var_1_10 [L195] last_1_var_1_20 = var_1_20 [L205] RET updateLastVariables() [L206] CALL updateVariables() [L140] var_1_3 = __VERIFIER_nondet_uchar() [L141] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=64, var_1_32=0, var_1_33=77/20, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_38=323/5, var_1_39=10, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_44=10, var_1_45=16, var_1_47=0, var_1_5=-32, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=64, var_1_32=0, var_1_33=77/20, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_38=323/5, var_1_39=10, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_44=10, var_1_45=16, var_1_47=0, var_1_5=-32, var_1_6=256] [L141] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=64, var_1_32=0, var_1_33=77/20, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_38=323/5, var_1_39=10, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_44=10, var_1_45=16, var_1_47=0, var_1_5=-32, var_1_6=256] [L142] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=64, var_1_32=0, var_1_33=77/20, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_38=323/5, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_44=10, var_1_45=16, var_1_47=0, var_1_5=-32, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=64, var_1_32=0, var_1_33=77/20, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_38=323/5, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_44=10, var_1_45=16, var_1_47=0, var_1_5=-32, var_1_6=256] [L142] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=64, var_1_32=0, var_1_33=77/20, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_38=323/5, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_44=10, var_1_45=16, var_1_47=0, var_1_5=-32, var_1_6=256] [L143] var_1_5 = __VERIFIER_nondet_char() [L144] CALL assume_abort_if_not(var_1_5 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=64, var_1_32=0, var_1_33=77/20, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_38=323/5, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_44=10, var_1_45=16, var_1_47=0, var_1_5=68, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=64, var_1_32=0, var_1_33=77/20, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_38=323/5, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_44=10, var_1_45=16, var_1_47=0, var_1_5=68, var_1_6=256] [L144] RET assume_abort_if_not(var_1_5 >= -127) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=64, var_1_32=0, var_1_33=77/20, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_38=323/5, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_44=10, var_1_45=16, var_1_47=0, var_1_5=68, var_1_6=256] [L145] CALL assume_abort_if_not(var_1_5 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=64, var_1_32=0, var_1_33=77/20, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_38=323/5, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_44=10, var_1_45=16, var_1_47=0, var_1_5=68, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=64, var_1_32=0, var_1_33=77/20, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_38=323/5, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_44=10, var_1_45=16, var_1_47=0, var_1_5=68, var_1_6=256] [L145] RET assume_abort_if_not(var_1_5 <= 126) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=64, var_1_32=0, var_1_33=77/20, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_38=323/5, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_44=10, var_1_45=16, var_1_47=0, var_1_5=68, var_1_6=256] [L146] var_1_13 = __VERIFIER_nondet_char() [L147] CALL assume_abort_if_not(var_1_13 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=64, var_1_32=0, var_1_33=77/20, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_38=323/5, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_44=10, var_1_45=16, var_1_47=0, var_1_5=68, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=64, var_1_32=0, var_1_33=77/20, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_38=323/5, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_44=10, var_1_45=16, var_1_47=0, var_1_5=68, var_1_6=256] [L147] RET assume_abort_if_not(var_1_13 >= -1) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=64, var_1_32=0, var_1_33=77/20, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_38=323/5, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_44=10, var_1_45=16, var_1_47=0, var_1_5=68, var_1_6=256] [L148] CALL assume_abort_if_not(var_1_13 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=64, var_1_32=0, var_1_33=77/20, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_38=323/5, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_44=10, var_1_45=16, var_1_47=0, var_1_5=68, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=64, var_1_32=0, var_1_33=77/20, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_38=323/5, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_44=10, var_1_45=16, var_1_47=0, var_1_5=68, var_1_6=256] [L148] RET assume_abort_if_not(var_1_13 <= 127) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=64, var_1_32=0, var_1_33=77/20, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_38=323/5, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_44=10, var_1_45=16, var_1_47=0, var_1_5=68, var_1_6=256] [L149] var_1_14 = __VERIFIER_nondet_char() [L150] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=64, var_1_32=0, var_1_33=77/20, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_38=323/5, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_44=10, var_1_45=16, var_1_47=0, var_1_5=68, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=64, var_1_32=0, var_1_33=77/20, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_38=323/5, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_44=10, var_1_45=16, var_1_47=0, var_1_5=68, var_1_6=256] [L150] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=64, var_1_32=0, var_1_33=77/20, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_38=323/5, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_44=10, var_1_45=16, var_1_47=0, var_1_5=68, var_1_6=256] [L151] CALL assume_abort_if_not(var_1_14 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=64, var_1_32=0, var_1_33=77/20, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_38=323/5, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_44=10, var_1_45=16, var_1_47=0, var_1_5=68, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=64, var_1_32=0, var_1_33=77/20, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_38=323/5, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_44=10, var_1_45=16, var_1_47=0, var_1_5=68, var_1_6=256] [L151] RET assume_abort_if_not(var_1_14 <= 127) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=64, var_1_32=0, var_1_33=77/20, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_38=323/5, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_44=10, var_1_45=16, var_1_47=0, var_1_5=68, var_1_6=256] [L152] var_1_15 = __VERIFIER_nondet_double() [L153] CALL assume_abort_if_not((var_1_15 >= -922337.2036854776000e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=64, var_1_32=0, var_1_33=77/20, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_38=323/5, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_44=10, var_1_45=16, var_1_47=0, var_1_5=68, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=64, var_1_32=0, var_1_33=77/20, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_38=323/5, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_44=10, var_1_45=16, var_1_47=0, var_1_5=68, var_1_6=256] [L153] RET assume_abort_if_not((var_1_15 >= -922337.2036854776000e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=64, var_1_32=0, var_1_33=77/20, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_38=323/5, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_44=10, var_1_45=16, var_1_47=0, var_1_5=68, var_1_6=256] [L154] CALL assume_abort_if_not(var_1_15 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=64, var_1_32=0, var_1_33=77/20, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_38=323/5, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_44=10, var_1_45=16, var_1_47=0, var_1_5=68, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=64, var_1_32=0, var_1_33=77/20, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_38=323/5, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_44=10, var_1_45=16, var_1_47=0, var_1_5=68, var_1_6=256] [L154] RET assume_abort_if_not(var_1_15 != 0.0F) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=64, var_1_32=0, var_1_33=77/20, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_38=323/5, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_44=10, var_1_45=16, var_1_47=0, var_1_5=68, var_1_6=256] [L155] var_1_16 = __VERIFIER_nondet_double() [L156] CALL assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=64, var_1_32=0, var_1_33=77/20, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_38=323/5, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_44=10, var_1_45=16, var_1_47=0, var_1_5=68, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=64, var_1_32=0, var_1_33=77/20, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_38=323/5, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_44=10, var_1_45=16, var_1_47=0, var_1_5=68, var_1_6=256] [L156] RET assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=64, var_1_32=0, var_1_33=77/20, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_38=323/5, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_44=10, var_1_45=16, var_1_47=0, var_1_5=68, var_1_6=256] [L157] var_1_21 = __VERIFIER_nondet_uchar() [L158] CALL assume_abort_if_not(var_1_21 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=189, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=64, var_1_32=0, var_1_33=77/20, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_38=323/5, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_44=10, var_1_45=16, var_1_47=0, var_1_5=68, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=189, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=64, var_1_32=0, var_1_33=77/20, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_38=323/5, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_44=10, var_1_45=16, var_1_47=0, var_1_5=68, var_1_6=256] [L158] RET assume_abort_if_not(var_1_21 >= 127) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=189, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=64, var_1_32=0, var_1_33=77/20, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_38=323/5, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_44=10, var_1_45=16, var_1_47=0, var_1_5=68, var_1_6=256] [L159] CALL assume_abort_if_not(var_1_21 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=189, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=64, var_1_32=0, var_1_33=77/20, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_38=323/5, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_44=10, var_1_45=16, var_1_47=0, var_1_5=68, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=189, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=64, var_1_32=0, var_1_33=77/20, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_38=323/5, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_44=10, var_1_45=16, var_1_47=0, var_1_5=68, var_1_6=256] [L159] RET assume_abort_if_not(var_1_21 <= 254) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=189, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=64, var_1_32=0, var_1_33=77/20, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_38=323/5, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_44=10, var_1_45=16, var_1_47=0, var_1_5=68, var_1_6=256] [L160] var_1_22 = __VERIFIER_nondet_uchar() [L161] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=189, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=64, var_1_32=0, var_1_33=77/20, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_38=323/5, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_44=10, var_1_45=16, var_1_47=0, var_1_5=68, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=189, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=64, var_1_32=0, var_1_33=77/20, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_38=323/5, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_44=10, var_1_45=16, var_1_47=0, var_1_5=68, var_1_6=256] [L161] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=189, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=64, var_1_32=0, var_1_33=77/20, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_38=323/5, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_44=10, var_1_45=16, var_1_47=0, var_1_5=68, var_1_6=256] [L162] CALL assume_abort_if_not(var_1_22 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=189, var_1_22=55, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=64, var_1_32=0, var_1_33=77/20, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_38=323/5, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_44=10, var_1_45=16, var_1_47=0, var_1_5=68, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=189, var_1_22=55, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=64, var_1_32=0, var_1_33=77/20, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_38=323/5, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_44=10, var_1_45=16, var_1_47=0, var_1_5=68, var_1_6=256] [L162] RET assume_abort_if_not(var_1_22 <= 127) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=189, var_1_22=55, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=64, var_1_32=0, var_1_33=77/20, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_38=323/5, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_44=10, var_1_45=16, var_1_47=0, var_1_5=68, var_1_6=256] [L163] var_1_31 = __VERIFIER_nondet_short() [L164] CALL assume_abort_if_not(var_1_31 >= -32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=189, var_1_22=55, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=-1, var_1_32=0, var_1_33=77/20, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_38=323/5, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_44=10, var_1_45=16, var_1_47=0, var_1_5=68, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=189, var_1_22=55, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=-1, var_1_32=0, var_1_33=77/20, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_38=323/5, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_44=10, var_1_45=16, var_1_47=0, var_1_5=68, var_1_6=256] [L164] RET assume_abort_if_not(var_1_31 >= -32768) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=189, var_1_22=55, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=-1, var_1_32=0, var_1_33=77/20, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_38=323/5, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_44=10, var_1_45=16, var_1_47=0, var_1_5=68, var_1_6=256] [L165] CALL assume_abort_if_not(var_1_31 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=189, var_1_22=55, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=-1, var_1_32=0, var_1_33=77/20, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_38=323/5, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_44=10, var_1_45=16, var_1_47=0, var_1_5=68, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=189, var_1_22=55, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=-1, var_1_32=0, var_1_33=77/20, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_38=323/5, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_44=10, var_1_45=16, var_1_47=0, var_1_5=68, var_1_6=256] [L165] RET assume_abort_if_not(var_1_31 <= 32767) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=189, var_1_22=55, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=-1, var_1_32=0, var_1_33=77/20, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_38=323/5, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_44=10, var_1_45=16, var_1_47=0, var_1_5=68, var_1_6=256] [L166] CALL assume_abort_if_not(var_1_31 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=189, var_1_22=55, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=-1, var_1_32=0, var_1_33=77/20, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_38=323/5, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_44=10, var_1_45=16, var_1_47=0, var_1_5=68, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=189, var_1_22=55, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=-1, var_1_32=0, var_1_33=77/20, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_38=323/5, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_44=10, var_1_45=16, var_1_47=0, var_1_5=68, var_1_6=256] [L166] RET assume_abort_if_not(var_1_31 != 0) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=189, var_1_22=55, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=-1, var_1_32=0, var_1_33=77/20, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_38=323/5, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_44=10, var_1_45=16, var_1_47=0, var_1_5=68, var_1_6=256] [L167] var_1_33 = __VERIFIER_nondet_double() [L168] CALL assume_abort_if_not((var_1_33 >= -922337.2036854765600e+13F && var_1_33 <= -1.0e-20F) || (var_1_33 <= 9223372.036854765600e+12F && var_1_33 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=189, var_1_22=55, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=-1, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_38=323/5, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_44=10, var_1_45=16, var_1_47=0, var_1_5=68, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=189, var_1_22=55, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=-1, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_38=323/5, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_44=10, var_1_45=16, var_1_47=0, var_1_5=68, var_1_6=256] [L168] RET assume_abort_if_not((var_1_33 >= -922337.2036854765600e+13F && var_1_33 <= -1.0e-20F) || (var_1_33 <= 9223372.036854765600e+12F && var_1_33 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=189, var_1_22=55, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=-1, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_38=323/5, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_44=10, var_1_45=16, var_1_47=0, var_1_5=68, var_1_6=256] [L169] var_1_34 = __VERIFIER_nondet_ushort() [L170] CALL assume_abort_if_not(var_1_34 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=189, var_1_22=55, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=-1, var_1_32=0, var_1_34=65534, var_1_35=41225, var_1_37=6363/100, var_1_38=323/5, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_44=10, var_1_45=16, var_1_47=0, var_1_5=68, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=189, var_1_22=55, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=-1, var_1_32=0, var_1_34=65534, var_1_35=41225, var_1_37=6363/100, var_1_38=323/5, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_44=10, var_1_45=16, var_1_47=0, var_1_5=68, var_1_6=256] [L170] RET assume_abort_if_not(var_1_34 >= 32767) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=189, var_1_22=55, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=-1, var_1_32=0, var_1_34=65534, var_1_35=41225, var_1_37=6363/100, var_1_38=323/5, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_44=10, var_1_45=16, var_1_47=0, var_1_5=68, var_1_6=256] [L171] CALL assume_abort_if_not(var_1_34 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=189, var_1_22=55, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=-1, var_1_32=0, var_1_34=65534, var_1_35=41225, var_1_37=6363/100, var_1_38=323/5, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_44=10, var_1_45=16, var_1_47=0, var_1_5=68, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=189, var_1_22=55, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=-1, var_1_32=0, var_1_34=65534, var_1_35=41225, var_1_37=6363/100, var_1_38=323/5, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_44=10, var_1_45=16, var_1_47=0, var_1_5=68, var_1_6=256] [L171] RET assume_abort_if_not(var_1_34 <= 65535) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=189, var_1_22=55, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=-1, var_1_32=0, var_1_34=65534, var_1_35=41225, var_1_37=6363/100, var_1_38=323/5, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_44=10, var_1_45=16, var_1_47=0, var_1_5=68, var_1_6=256] [L172] var_1_35 = __VERIFIER_nondet_ushort() [L173] CALL assume_abort_if_not(var_1_35 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=189, var_1_22=55, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=-1, var_1_32=0, var_1_34=65534, var_1_35=65535, var_1_37=6363/100, var_1_38=323/5, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_44=10, var_1_45=16, var_1_47=0, var_1_5=68, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=189, var_1_22=55, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=-1, var_1_32=0, var_1_34=65534, var_1_35=65535, var_1_37=6363/100, var_1_38=323/5, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_44=10, var_1_45=16, var_1_47=0, var_1_5=68, var_1_6=256] [L173] RET assume_abort_if_not(var_1_35 >= 32767) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=189, var_1_22=55, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=-1, var_1_32=0, var_1_34=65534, var_1_35=65535, var_1_37=6363/100, var_1_38=323/5, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_44=10, var_1_45=16, var_1_47=0, var_1_5=68, var_1_6=256] [L174] CALL assume_abort_if_not(var_1_35 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=189, var_1_22=55, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=-1, var_1_32=0, var_1_34=65534, var_1_35=65535, var_1_37=6363/100, var_1_38=323/5, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_44=10, var_1_45=16, var_1_47=0, var_1_5=68, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=189, var_1_22=55, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=-1, var_1_32=0, var_1_34=65534, var_1_35=65535, var_1_37=6363/100, var_1_38=323/5, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_44=10, var_1_45=16, var_1_47=0, var_1_5=68, var_1_6=256] [L174] RET assume_abort_if_not(var_1_35 <= 65535) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=189, var_1_22=55, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=-1, var_1_32=0, var_1_34=65534, var_1_35=65535, var_1_37=6363/100, var_1_38=323/5, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_44=10, var_1_45=16, var_1_47=0, var_1_5=68, var_1_6=256] [L175] var_1_38 = __VERIFIER_nondet_double() [L176] CALL assume_abort_if_not((var_1_38 >= -922337.2036854765600e+13F && var_1_38 <= -1.0e-20F) || (var_1_38 <= 9223372.036854765600e+12F && var_1_38 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=189, var_1_22=55, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=-1, var_1_32=0, var_1_34=65534, var_1_35=65535, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_44=10, var_1_45=16, var_1_47=0, var_1_5=68, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=189, var_1_22=55, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=-1, var_1_32=0, var_1_34=65534, var_1_35=65535, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_44=10, var_1_45=16, var_1_47=0, var_1_5=68, var_1_6=256] [L176] RET assume_abort_if_not((var_1_38 >= -922337.2036854765600e+13F && var_1_38 <= -1.0e-20F) || (var_1_38 <= 9223372.036854765600e+12F && var_1_38 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=189, var_1_22=55, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=-1, var_1_32=0, var_1_34=65534, var_1_35=65535, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_44=10, var_1_45=16, var_1_47=0, var_1_5=68, var_1_6=256] [L177] var_1_40 = __VERIFIER_nondet_char() [L178] CALL assume_abort_if_not(var_1_40 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=189, var_1_22=55, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=-1, var_1_32=0, var_1_34=65534, var_1_35=65535, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-1, var_1_41=4, var_1_42=50, var_1_44=10, var_1_45=16, var_1_47=0, var_1_5=68, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=189, var_1_22=55, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=-1, var_1_32=0, var_1_34=65534, var_1_35=65535, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-1, var_1_41=4, var_1_42=50, var_1_44=10, var_1_45=16, var_1_47=0, var_1_5=68, var_1_6=256] [L178] RET assume_abort_if_not(var_1_40 >= -63) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=189, var_1_22=55, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=-1, var_1_32=0, var_1_34=65534, var_1_35=65535, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-1, var_1_41=4, var_1_42=50, var_1_44=10, var_1_45=16, var_1_47=0, var_1_5=68, var_1_6=256] [L179] CALL assume_abort_if_not(var_1_40 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=189, var_1_22=55, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=-1, var_1_32=0, var_1_34=65534, var_1_35=65535, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-1, var_1_41=4, var_1_42=50, var_1_44=10, var_1_45=16, var_1_47=0, var_1_5=68, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=189, var_1_22=55, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=-1, var_1_32=0, var_1_34=65534, var_1_35=65535, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-1, var_1_41=4, var_1_42=50, var_1_44=10, var_1_45=16, var_1_47=0, var_1_5=68, var_1_6=256] [L179] RET assume_abort_if_not(var_1_40 <= 63) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=189, var_1_22=55, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=-1, var_1_32=0, var_1_34=65534, var_1_35=65535, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-1, var_1_41=4, var_1_42=50, var_1_44=10, var_1_45=16, var_1_47=0, var_1_5=68, var_1_6=256] [L180] var_1_41 = __VERIFIER_nondet_char() [L181] CALL assume_abort_if_not(var_1_41 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=189, var_1_22=55, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=-1, var_1_32=0, var_1_34=65534, var_1_35=65535, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-1, var_1_41=1, var_1_42=50, var_1_44=10, var_1_45=16, var_1_47=0, var_1_5=68, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=189, var_1_22=55, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=-1, var_1_32=0, var_1_34=65534, var_1_35=65535, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-1, var_1_41=1, var_1_42=50, var_1_44=10, var_1_45=16, var_1_47=0, var_1_5=68, var_1_6=256] [L181] RET assume_abort_if_not(var_1_41 >= -63) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=189, var_1_22=55, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=-1, var_1_32=0, var_1_34=65534, var_1_35=65535, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-1, var_1_41=1, var_1_42=50, var_1_44=10, var_1_45=16, var_1_47=0, var_1_5=68, var_1_6=256] [L182] CALL assume_abort_if_not(var_1_41 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=189, var_1_22=55, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=-1, var_1_32=0, var_1_34=65534, var_1_35=65535, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-1, var_1_41=1, var_1_42=50, var_1_44=10, var_1_45=16, var_1_47=0, var_1_5=68, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=189, var_1_22=55, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=-1, var_1_32=0, var_1_34=65534, var_1_35=65535, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-1, var_1_41=1, var_1_42=50, var_1_44=10, var_1_45=16, var_1_47=0, var_1_5=68, var_1_6=256] [L182] RET assume_abort_if_not(var_1_41 <= 63) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=189, var_1_22=55, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=-1, var_1_32=0, var_1_34=65534, var_1_35=65535, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-1, var_1_41=1, var_1_42=50, var_1_44=10, var_1_45=16, var_1_47=0, var_1_5=68, var_1_6=256] [L183] var_1_44 = __VERIFIER_nondet_uchar() [L184] CALL assume_abort_if_not(var_1_44 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=189, var_1_22=55, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=-1, var_1_32=0, var_1_34=65534, var_1_35=65535, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-1, var_1_41=1, var_1_42=50, var_1_45=16, var_1_47=0, var_1_5=68, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=189, var_1_22=55, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=-1, var_1_32=0, var_1_34=65534, var_1_35=65535, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-1, var_1_41=1, var_1_42=50, var_1_45=16, var_1_47=0, var_1_5=68, var_1_6=256] [L184] RET assume_abort_if_not(var_1_44 >= 0) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=189, var_1_22=55, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=-1, var_1_32=0, var_1_34=65534, var_1_35=65535, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-1, var_1_41=1, var_1_42=50, var_1_45=16, var_1_47=0, var_1_5=68, var_1_6=256] [L185] CALL assume_abort_if_not(var_1_44 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=189, var_1_22=55, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=-1, var_1_32=0, var_1_34=65534, var_1_35=65535, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-1, var_1_41=1, var_1_42=50, var_1_44=0, var_1_45=16, var_1_47=0, var_1_5=68, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=189, var_1_22=55, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=-1, var_1_32=0, var_1_34=65534, var_1_35=65535, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-1, var_1_41=1, var_1_42=50, var_1_44=0, var_1_45=16, var_1_47=0, var_1_5=68, var_1_6=256] [L185] RET assume_abort_if_not(var_1_44 <= 127) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=189, var_1_22=55, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=-1, var_1_32=0, var_1_34=65534, var_1_35=65535, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-1, var_1_41=1, var_1_42=50, var_1_44=0, var_1_45=16, var_1_47=0, var_1_5=68, var_1_6=256] [L186] var_1_45 = __VERIFIER_nondet_uchar() [L187] CALL assume_abort_if_not(var_1_45 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=189, var_1_22=55, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=-1, var_1_32=0, var_1_34=65534, var_1_35=65535, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-1, var_1_41=1, var_1_42=50, var_1_44=0, var_1_47=0, var_1_5=68, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=189, var_1_22=55, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=-1, var_1_32=0, var_1_34=65534, var_1_35=65535, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-1, var_1_41=1, var_1_42=50, var_1_44=0, var_1_47=0, var_1_5=68, var_1_6=256] [L187] RET assume_abort_if_not(var_1_45 >= 0) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=189, var_1_22=55, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=-1, var_1_32=0, var_1_34=65534, var_1_35=65535, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-1, var_1_41=1, var_1_42=50, var_1_44=0, var_1_47=0, var_1_5=68, var_1_6=256] [L188] CALL assume_abort_if_not(var_1_45 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=189, var_1_22=55, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=-1, var_1_32=0, var_1_34=65534, var_1_35=65535, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-1, var_1_41=1, var_1_42=50, var_1_44=0, var_1_45=0, var_1_47=0, var_1_5=68, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=189, var_1_22=55, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=-1, var_1_32=0, var_1_34=65534, var_1_35=65535, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-1, var_1_41=1, var_1_42=50, var_1_44=0, var_1_45=0, var_1_47=0, var_1_5=68, var_1_6=256] [L188] RET assume_abort_if_not(var_1_45 <= 127) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=189, var_1_22=55, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=-1, var_1_32=0, var_1_34=65534, var_1_35=65535, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-1, var_1_41=1, var_1_42=50, var_1_44=0, var_1_45=0, var_1_47=0, var_1_5=68, var_1_6=256] [L189] var_1_47 = __VERIFIER_nondet_uchar() [L190] CALL assume_abort_if_not(var_1_47 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=189, var_1_22=55, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=-1, var_1_32=0, var_1_34=65534, var_1_35=65535, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-1, var_1_41=1, var_1_42=50, var_1_44=0, var_1_45=0, var_1_5=68, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=189, var_1_22=55, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=-1, var_1_32=0, var_1_34=65534, var_1_35=65535, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-1, var_1_41=1, var_1_42=50, var_1_44=0, var_1_45=0, var_1_5=68, var_1_6=256] [L190] RET assume_abort_if_not(var_1_47 >= 0) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=189, var_1_22=55, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=-1, var_1_32=0, var_1_34=65534, var_1_35=65535, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-1, var_1_41=1, var_1_42=50, var_1_44=0, var_1_45=0, var_1_5=68, var_1_6=256] [L191] CALL assume_abort_if_not(var_1_47 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=189, var_1_22=55, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=-1, var_1_32=0, var_1_34=65534, var_1_35=65535, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-1, var_1_41=1, var_1_42=50, var_1_44=0, var_1_45=0, var_1_47=1, var_1_5=68, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=189, var_1_22=55, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=-1, var_1_32=0, var_1_34=65534, var_1_35=65535, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-1, var_1_41=1, var_1_42=50, var_1_44=0, var_1_45=0, var_1_47=1, var_1_5=68, var_1_6=256] [L191] RET assume_abort_if_not(var_1_47 <= 1) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=189, var_1_22=55, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_31=-1, var_1_32=0, var_1_34=65534, var_1_35=65535, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-1, var_1_41=1, var_1_42=50, var_1_44=0, var_1_45=0, var_1_47=1, var_1_5=68, var_1_6=256] [L206] RET updateVariables() [L207] CALL step() [L59] COND TRUE var_1_10 >= ((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))) [L60] var_1_24 = ((((((((var_1_6) > (var_1_10)) ? (var_1_6) : (var_1_10)))) < (var_1_6)) ? (((((var_1_6) > (var_1_10)) ? (var_1_6) : (var_1_10)))) : (var_1_6))) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=189, var_1_22=55, var_1_23=64, var_1_24=256, var_1_28=256, var_1_30=-4, var_1_31=-1, var_1_32=0, var_1_34=65534, var_1_35=65535, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-1, var_1_41=1, var_1_42=50, var_1_44=0, var_1_45=0, var_1_47=1, var_1_5=68, var_1_6=256] [L64] var_1_28 = var_1_20 VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=189, var_1_22=55, var_1_23=64, var_1_24=256, var_1_28=32, var_1_30=-4, var_1_31=-1, var_1_32=0, var_1_34=65534, var_1_35=65535, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-1, var_1_41=1, var_1_42=50, var_1_44=0, var_1_45=0, var_1_47=1, var_1_5=68, var_1_6=256] [L65] EXPR var_1_10 ^ var_1_23 VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=189, var_1_22=55, var_1_23=64, var_1_24=256, var_1_28=32, var_1_30=-4, var_1_31=-1, var_1_32=0, var_1_34=65534, var_1_35=65535, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-1, var_1_41=1, var_1_42=50, var_1_44=0, var_1_45=0, var_1_47=1, var_1_5=68, var_1_6=256] [L65] COND FALSE !(((var_1_10 ^ var_1_23) % var_1_31) > -10) [L68] EXPR ((((var_1_20) > (-16)) ? (var_1_20) : (-16))) & 16 VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=189, var_1_22=55, var_1_23=64, var_1_24=256, var_1_28=32, var_1_30=-4, var_1_31=-1, var_1_32=0, var_1_34=65534, var_1_35=65535, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-1, var_1_41=1, var_1_42=50, var_1_44=0, var_1_45=0, var_1_47=1, var_1_5=68, var_1_6=256] [L68] COND FALSE !((~ var_1_1) <= (((((var_1_20) > (-16)) ? (var_1_20) : (-16))) & 16)) [L71] COND TRUE var_1_6 <= (((((var_1_34) < (var_1_35)) ? (var_1_34) : (var_1_35))) - ((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20)))) [L72] var_1_32 = var_1_33 VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=189, var_1_22=55, var_1_23=64, var_1_24=256, var_1_28=32, var_1_30=-4, var_1_31=-1, var_1_32=2, var_1_33=2, var_1_34=65534, var_1_35=65535, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-1, var_1_41=1, var_1_42=50, var_1_44=0, var_1_45=0, var_1_47=1, var_1_5=68, var_1_6=256] [L77] EXPR var_1_35 & var_1_23 VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=189, var_1_22=55, var_1_23=64, var_1_24=256, var_1_28=32, var_1_30=-4, var_1_31=-1, var_1_32=2, var_1_33=2, var_1_34=65534, var_1_35=65535, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-1, var_1_41=1, var_1_42=50, var_1_44=0, var_1_45=0, var_1_47=1, var_1_5=68, var_1_6=256] [L77] EXPR (var_1_35 & var_1_23) >> var_1_1 VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=189, var_1_22=55, var_1_23=64, var_1_24=256, var_1_28=32, var_1_30=-4, var_1_31=-1, var_1_32=2, var_1_33=2, var_1_34=65534, var_1_35=65535, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-1, var_1_41=1, var_1_42=50, var_1_44=0, var_1_45=0, var_1_47=1, var_1_5=68, var_1_6=256] [L77] COND TRUE var_1_20 >= ((var_1_35 & var_1_23) >> var_1_1) [L78] var_1_37 = ((((var_1_33) < (var_1_38)) ? (var_1_33) : (var_1_38))) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=189, var_1_22=55, var_1_23=64, var_1_24=256, var_1_28=32, var_1_30=-4, var_1_31=-1, var_1_32=2, var_1_33=2, var_1_34=65534, var_1_35=65535, var_1_37=2, var_1_38=0, var_1_39=10, var_1_3=0, var_1_40=-1, var_1_41=1, var_1_42=50, var_1_44=0, var_1_45=0, var_1_47=1, var_1_5=68, var_1_6=256] [L80] var_1_39 = (var_1_40 + ((((var_1_41) < 0 ) ? -(var_1_41) : (var_1_41)))) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=189, var_1_22=55, var_1_23=64, var_1_24=256, var_1_28=32, var_1_30=-4, var_1_31=-1, var_1_32=2, var_1_33=2, var_1_34=65534, var_1_35=65535, var_1_37=2, var_1_38=0, var_1_39=0, var_1_3=0, var_1_40=-1, var_1_41=1, var_1_42=50, var_1_44=0, var_1_45=0, var_1_47=1, var_1_5=68, var_1_6=256] [L81] COND FALSE !(var_1_10 > var_1_31) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=189, var_1_22=55, var_1_23=64, var_1_24=256, var_1_28=32, var_1_30=-4, var_1_31=-1, var_1_32=2, var_1_33=2, var_1_34=65534, var_1_35=65535, var_1_37=2, var_1_38=0, var_1_39=0, var_1_3=0, var_1_40=-1, var_1_41=1, var_1_42=50, var_1_44=0, var_1_45=0, var_1_47=1, var_1_5=68, var_1_6=256] [L94] COND FALSE !(\read(var_1_3)) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=189, var_1_22=55, var_1_23=64, var_1_24=256, var_1_28=32, var_1_30=-4, var_1_31=-1, var_1_32=2, var_1_33=2, var_1_34=65534, var_1_35=65535, var_1_37=2, var_1_38=0, var_1_39=0, var_1_3=0, var_1_40=-1, var_1_41=1, var_1_42=50, var_1_44=0, var_1_45=0, var_1_47=1, var_1_5=68, var_1_6=256] [L99] signed long int stepLocal_2 = var_1_5 * var_1_13; VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, stepLocal_2=4624, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=189, var_1_22=55, var_1_23=64, var_1_24=256, var_1_28=32, var_1_30=-4, var_1_31=-1, var_1_32=2, var_1_33=2, var_1_34=65534, var_1_35=65535, var_1_37=2, var_1_38=0, var_1_39=0, var_1_3=0, var_1_40=-1, var_1_41=1, var_1_42=50, var_1_44=0, var_1_45=0, var_1_47=1, var_1_5=68, var_1_6=256] [L100] COND TRUE stepLocal_2 > last_1_var_1_10 [L101] var_1_20 = ((((((((var_1_21 - var_1_14)) > ((var_1_22 + 8))) ? ((var_1_21 - var_1_14)) : ((var_1_22 + 8)))) < 0 ) ? -(((((var_1_21 - var_1_14)) > ((var_1_22 + 8))) ? ((var_1_21 - var_1_14)) : ((var_1_22 + 8)))) : (((((var_1_21 - var_1_14)) > ((var_1_22 + 8))) ? ((var_1_21 - var_1_14)) : ((var_1_22 + 8)))))) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, stepLocal_2=4624, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=63, var_1_21=189, var_1_22=55, var_1_23=64, var_1_24=256, var_1_28=32, var_1_30=-4, var_1_31=-1, var_1_32=2, var_1_33=2, var_1_34=65534, var_1_35=65535, var_1_37=2, var_1_38=0, var_1_39=0, var_1_3=0, var_1_40=-1, var_1_41=1, var_1_42=50, var_1_44=0, var_1_45=0, var_1_47=1, var_1_5=68, var_1_6=256] [L103] COND FALSE !((((((var_1_14 - var_1_20)) < (var_1_5)) ? ((var_1_14 - var_1_20)) : (var_1_5))) < var_1_20) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, stepLocal_2=4624, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=63, var_1_21=189, var_1_22=55, var_1_23=64, var_1_24=256, var_1_28=32, var_1_30=-4, var_1_31=-1, var_1_32=2, var_1_33=2, var_1_34=65534, var_1_35=65535, var_1_37=2, var_1_38=0, var_1_39=0, var_1_3=0, var_1_40=-1, var_1_41=1, var_1_42=50, var_1_44=0, var_1_45=0, var_1_47=1, var_1_5=68, var_1_6=256] [L108] unsigned char stepLocal_1 = var_1_17 <= var_1_17; VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, stepLocal_1=0, stepLocal_2=4624, var_1_10=256, var_1_12=41/5, var_1_13=68, var_1_14=126, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=63, var_1_21=189, var_1_22=55, var_1_23=64, var_1_24=256, var_1_28=32, var_1_30=-4, var_1_31=-1, var_1_32=2, var_1_33=2, var_1_34=65534, var_1_35=65535, var_1_37=2, var_1_38=0, var_1_39=0, var_1_3=0, var_1_40=-1, var_1_41=1, var_1_42=50, var_1_44=0, var_1_45=0, var_1_47=1, var_1_5=68, var_1_6=256] [L109] COND FALSE !(stepLocal_1 || var_1_3) [L114] var_1_12 = var_1_16 VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, stepLocal_1=0, stepLocal_2=4624, var_1_10=256, var_1_12=3, var_1_13=68, var_1_14=126, var_1_16=3, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=63, var_1_21=189, var_1_22=55, var_1_23=64, var_1_24=256, var_1_28=32, var_1_30=-4, var_1_31=-1, var_1_32=2, var_1_33=2, var_1_34=65534, var_1_35=65535, var_1_37=2, var_1_38=0, var_1_39=0, var_1_3=0, var_1_40=-1, var_1_41=1, var_1_42=50, var_1_44=0, var_1_45=0, var_1_47=1, var_1_5=68, var_1_6=256] [L116] COND FALSE !(99999.8f < var_1_17) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, stepLocal_1=0, stepLocal_2=4624, var_1_10=256, var_1_12=3, var_1_13=68, var_1_14=126, var_1_16=3, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=63, var_1_21=189, var_1_22=55, var_1_23=64, var_1_24=256, var_1_28=32, var_1_30=-4, var_1_31=-1, var_1_32=2, var_1_33=2, var_1_34=65534, var_1_35=65535, var_1_37=2, var_1_38=0, var_1_39=0, var_1_3=0, var_1_40=-1, var_1_41=1, var_1_42=50, var_1_44=0, var_1_45=0, var_1_47=1, var_1_5=68, var_1_6=256] [L127] COND FALSE !((var_1_17 + var_1_12) <= var_1_17) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, stepLocal_1=0, stepLocal_2=4624, var_1_10=256, var_1_12=3, var_1_13=68, var_1_14=126, var_1_16=3, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=63, var_1_21=189, var_1_22=55, var_1_23=64, var_1_24=256, var_1_28=32, var_1_30=-4, var_1_31=-1, var_1_32=2, var_1_33=2, var_1_34=65534, var_1_35=65535, var_1_37=2, var_1_38=0, var_1_39=0, var_1_3=0, var_1_40=-1, var_1_41=1, var_1_42=50, var_1_44=0, var_1_45=0, var_1_47=1, var_1_5=68, var_1_6=256] [L132] EXPR var_1_6 ^ var_1_20 VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, stepLocal_1=0, stepLocal_2=4624, var_1_10=256, var_1_12=3, var_1_13=68, var_1_14=126, var_1_16=3, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=63, var_1_21=189, var_1_22=55, var_1_23=64, var_1_24=256, var_1_28=32, var_1_30=-4, var_1_31=-1, var_1_32=2, var_1_33=2, var_1_34=65534, var_1_35=65535, var_1_37=2, var_1_38=0, var_1_39=0, var_1_3=0, var_1_40=-1, var_1_41=1, var_1_42=50, var_1_44=0, var_1_45=0, var_1_47=1, var_1_5=68, var_1_6=256] [L132] unsigned long int stepLocal_0 = (var_1_6 ^ var_1_20) + var_1_23; [L133] COND TRUE var_1_20 <= stepLocal_0 VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, stepLocal_0=383, stepLocal_1=0, stepLocal_2=4624, var_1_10=256, var_1_12=3, var_1_13=68, var_1_14=126, var_1_16=3, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=63, var_1_21=189, var_1_22=55, var_1_23=64, var_1_24=256, var_1_28=32, var_1_30=-4, var_1_31=-1, var_1_32=2, var_1_33=2, var_1_34=65534, var_1_35=65535, var_1_37=2, var_1_38=0, var_1_39=0, var_1_3=0, var_1_40=-1, var_1_41=1, var_1_42=50, var_1_44=0, var_1_45=0, var_1_47=1, var_1_5=68, var_1_6=256] [L134] COND TRUE var_1_12 == var_1_12 [L135] var_1_10 = 0u VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, stepLocal_0=383, stepLocal_1=0, stepLocal_2=4624, var_1_10=0, var_1_12=3, var_1_13=68, var_1_14=126, var_1_16=3, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=63, var_1_21=189, var_1_22=55, var_1_23=64, var_1_24=256, var_1_28=32, var_1_30=-4, var_1_31=-1, var_1_32=2, var_1_33=2, var_1_34=65534, var_1_35=65535, var_1_37=2, var_1_38=0, var_1_39=0, var_1_3=0, var_1_40=-1, var_1_41=1, var_1_42=50, var_1_44=0, var_1_45=0, var_1_47=1, var_1_5=68, var_1_6=256] [L207] RET step() [L208] CALL, EXPR property() [L198] EXPR (((99999.8f < var_1_17) ? ((! var_1_3) ? ((var_1_17 >= (var_1_17 / 2.5f)) ? (var_1_3 ? (var_1_1 == ((signed char) var_1_5)) : (var_1_1 == ((signed char) var_1_5))) : 1) : 1) : 1) && (var_1_3 ? (((last_1_var_1_10 + (var_1_5 + last_1_var_1_20)) >= last_1_var_1_20) ? (var_1_6 == ((unsigned short int) last_1_var_1_20)) : 1) : 1)) && ((var_1_20 <= ((var_1_6 ^ var_1_20) + var_1_23)) ? ((var_1_12 == var_1_12) ? (var_1_10 == ((unsigned long int) 0u)) : 1) : 1) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=0, var_1_12=3, var_1_13=68, var_1_14=126, var_1_16=3, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=63, var_1_21=189, var_1_22=55, var_1_23=64, var_1_24=256, var_1_28=32, var_1_30=-4, var_1_31=-1, var_1_32=2, var_1_33=2, var_1_34=65534, var_1_35=65535, var_1_37=2, var_1_38=0, var_1_39=0, var_1_3=0, var_1_40=-1, var_1_41=1, var_1_42=50, var_1_44=0, var_1_45=0, var_1_47=1, var_1_5=68, var_1_6=256] [L198-L199] return (((((((99999.8f < var_1_17) ? ((! var_1_3) ? ((var_1_17 >= (var_1_17 / 2.5f)) ? (var_1_3 ? (var_1_1 == ((signed char) var_1_5)) : (var_1_1 == ((signed char) var_1_5))) : 1) : 1) : 1) && (var_1_3 ? (((last_1_var_1_10 + (var_1_5 + last_1_var_1_20)) >= last_1_var_1_20) ? (var_1_6 == ((unsigned short int) last_1_var_1_20)) : 1) : 1)) && ((var_1_20 <= ((var_1_6 ^ var_1_20) + var_1_23)) ? ((var_1_12 == var_1_12) ? (var_1_10 == ((unsigned long int) 0u)) : 1) : 1)) && (((var_1_17 <= var_1_17) || var_1_3) ? (((var_1_17 / var_1_15) > 25.25) ? (var_1_12 == ((double) 128.5)) : 1) : (var_1_12 == ((double) var_1_16)))) && (((((((var_1_14 - var_1_20)) < (var_1_5)) ? ((var_1_14 - var_1_20)) : (var_1_5))) < var_1_20) ? (var_1_3 ? (var_1_17 == ((double) 128.1)) : 1) : 1)) && (((var_1_5 * var_1_13) > last_1_var_1_10) ? (var_1_20 == ((unsigned char) ((((((((var_1_21 - var_1_14)) > ((var_1_22 + 8))) ? ((var_1_21 - var_1_14)) : ((var_1_22 + 8)))) < 0 ) ? -(((((var_1_21 - var_1_14)) > ((var_1_22 + 8))) ? ((var_1_21 - var_1_14)) : ((var_1_22 + 8)))) : (((((var_1_21 - var_1_14)) > ((var_1_22 + 8))) ? ((var_1_21 - var_1_14)) : ((var_1_22 + 8)))))))) : 1)) && (((var_1_17 + var_1_12) <= var_1_17) ? ((var_1_6 >= var_1_6) ? (var_1_23 == ((unsigned long int) var_1_20)) : 1) : 1) ; [L208] RET, EXPR property() [L208] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=0, var_1_12=3, var_1_13=68, var_1_14=126, var_1_16=3, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=63, var_1_21=189, var_1_22=55, var_1_23=64, var_1_24=256, var_1_28=32, var_1_30=-4, var_1_31=-1, var_1_32=2, var_1_33=2, var_1_34=65534, var_1_35=65535, var_1_37=2, var_1_38=0, var_1_39=0, var_1_3=0, var_1_40=-1, var_1_41=1, var_1_42=50, var_1_44=0, var_1_45=0, var_1_47=1, var_1_5=68, var_1_6=256] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=0, var_1_12=3, var_1_13=68, var_1_14=126, var_1_16=3, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=63, var_1_21=189, var_1_22=55, var_1_23=64, var_1_24=256, var_1_28=32, var_1_30=-4, var_1_31=-1, var_1_32=2, var_1_33=2, var_1_34=65534, var_1_35=65535, var_1_37=2, var_1_38=0, var_1_39=0, var_1_3=0, var_1_40=-1, var_1_41=1, var_1_42=50, var_1_44=0, var_1_45=0, var_1_47=1, var_1_5=68, var_1_6=256] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 111 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 32.6s, OverallIterations: 15, TraceHistogramMax: 34, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 10.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3717 SdHoareTripleChecker+Valid, 3.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3662 mSDsluCounter, 6935 SdHoareTripleChecker+Invalid, 2.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4117 mSDsCounter, 1133 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2588 IncrementalHoareTripleChecker+Invalid, 3721 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1133 mSolverCounterUnsat, 2818 mSDtfsCounter, 2588 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3587 GetRequests, 3487 SyntacticMatches, 0 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1074 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23706occurred in iteration=14, InterpolantAutomatonStates: 109, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 9.5s AutomataMinimizationTime, 14 MinimizatonAttempts, 4442 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 5.5s InterpolantComputationTime, 3539 NumberOfCodeBlocks, 3539 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 3525 ConstructedInterpolants, 0 QuantifiedInterpolants, 12754 SizeOfPredicates, 24 NumberOfNonLiveVariables, 6991 ConjunctsInSsa, 70 ConjunctsInUnsatCore, 16 InterpolantComputations, 12 PerfectInterpolantSequences, 35658/35904 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 [2023-11-29 02:56:09,803 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya --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 7ff62df6f9603281bf0e236ab8865fc937b3dc90e8a1704cf1768013825b0923 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 02:56:11,888 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 02:56:11,964 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-29 02:56:11,969 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 02:56:11,970 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 02:56:11,998 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 02:56:11,999 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 02:56:12,000 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 02:56:12,001 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 02:56:12,002 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 02:56:12,003 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 02:56:12,003 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 02:56:12,004 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 02:56:12,005 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 02:56:12,006 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 02:56:12,007 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 02:56:12,007 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 02:56:12,008 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 02:56:12,008 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 02:56:12,009 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 02:56:12,010 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 02:56:12,010 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 02:56:12,011 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 02:56:12,011 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 02:56:12,012 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 02:56:12,012 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 02:56:12,013 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 02:56:12,014 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 02:56:12,014 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 02:56:12,014 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 02:56:12,015 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 02:56:12,015 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 02:56:12,016 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 02:56:12,016 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:56:12,016 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 02:56:12,016 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 02:56:12,017 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 02:56:12,017 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 02:56:12,017 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 02:56:12,017 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 02:56:12,018 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 02:56:12,018 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 02:56:12,018 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 02:56:12,018 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 02:56:12,019 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 02:56:12,019 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_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7ff62df6f9603281bf0e236ab8865fc937b3dc90e8a1704cf1768013825b0923 [2023-11-29 02:56:12,342 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 02:56:12,369 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 02:56:12,372 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 02:56:12,373 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 02:56:12,376 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 02:56:12,378 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-3.i [2023-11-29 02:56:15,308 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 02:56:15,579 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 02:56:15,579 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-3.i [2023-11-29 02:56:15,591 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/data/0cdab4829/7c9ad47adae44ae6bdaa7cb52e7a71ff/FLAG925a48cbb [2023-11-29 02:56:15,609 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/data/0cdab4829/7c9ad47adae44ae6bdaa7cb52e7a71ff [2023-11-29 02:56:15,612 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 02:56:15,614 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 02:56:15,616 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 02:56:15,616 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 02:56:15,622 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 02:56:15,623 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:56:15" (1/1) ... [2023-11-29 02:56:15,625 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@111e6537 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:56:15, skipping insertion in model container [2023-11-29 02:56:15,625 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:56:15" (1/1) ... [2023-11-29 02:56:15,669 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 02:56:15,849 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-3.i[918,931] [2023-11-29 02:56:15,925 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:56:15,945 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 02:56:15,960 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-3.i[918,931] [2023-11-29 02:56:16,003 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:56:16,027 INFO L206 MainTranslator]: Completed translation [2023-11-29 02:56:16,028 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:56:16 WrapperNode [2023-11-29 02:56:16,028 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 02:56:16,029 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 02:56:16,030 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 02:56:16,030 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 02:56:16,038 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:56:16" (1/1) ... [2023-11-29 02:56:16,056 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:56:16" (1/1) ... [2023-11-29 02:56:16,092 INFO L138 Inliner]: procedures = 27, calls = 47, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 206 [2023-11-29 02:56:16,092 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 02:56:16,093 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 02:56:16,094 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 02:56:16,094 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 02:56:16,108 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:56:16" (1/1) ... [2023-11-29 02:56:16,109 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:56:16" (1/1) ... [2023-11-29 02:56:16,115 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:56:16" (1/1) ... [2023-11-29 02:56:16,132 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-29 02:56:16,133 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:56:16" (1/1) ... [2023-11-29 02:56:16,133 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:56:16" (1/1) ... [2023-11-29 02:56:16,148 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:56:16" (1/1) ... [2023-11-29 02:56:16,153 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:56:16" (1/1) ... [2023-11-29 02:56:16,157 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:56:16" (1/1) ... [2023-11-29 02:56:16,160 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:56:16" (1/1) ... [2023-11-29 02:56:16,166 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 02:56:16,167 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 02:56:16,168 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 02:56:16,168 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 02:56:16,169 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:56:16" (1/1) ... [2023-11-29 02:56:16,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:56:16,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:56:16,226 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 02:56:16,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 02:56:16,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 02:56:16,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 02:56:16,270 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 02:56:16,270 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 02:56:16,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 02:56:16,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 02:56:16,388 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 02:56:16,390 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 02:56:32,254 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 02:56:32,344 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 02:56:32,344 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 02:56:32,345 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:56:32 BoogieIcfgContainer [2023-11-29 02:56:32,345 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 02:56:32,348 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 02:56:32,348 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 02:56:32,351 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 02:56:32,352 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 02:56:15" (1/3) ... [2023-11-29 02:56:32,353 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bbeaaea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:56:32, skipping insertion in model container [2023-11-29 02:56:32,353 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:56:16" (2/3) ... [2023-11-29 02:56:32,354 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bbeaaea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:56:32, skipping insertion in model container [2023-11-29 02:56:32,354 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:56:32" (3/3) ... [2023-11-29 02:56:32,356 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-3.i [2023-11-29 02:56:32,375 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 02:56:32,376 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 02:56:32,430 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 02:56:32,436 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@77a8e6a5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 02:56:32,436 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 02:56:32,441 INFO L276 IsEmpty]: Start isEmpty. Operand has 94 states, 57 states have (on average 1.5087719298245614) internal successors, (86), 58 states have internal predecessors, (86), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2023-11-29 02:56:32,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2023-11-29 02:56:32,458 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:56:32,459 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:56:32,460 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:56:32,465 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:56:32,465 INFO L85 PathProgramCache]: Analyzing trace with hash 1534128036, now seen corresponding path program 1 times [2023-11-29 02:56:32,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:56:32,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1549320173] [2023-11-29 02:56:32,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:56:32,479 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 [2023-11-29 02:56:32,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:56:32,481 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 02:56:32,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 02:56:33,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:33,839 INFO L262 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 02:56:33,853 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:56:33,910 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 1034 proven. 0 refuted. 0 times theorem prover too weak. 1210 trivial. 0 not checked. [2023-11-29 02:56:33,910 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:56:33,911 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:56:33,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1549320173] [2023-11-29 02:56:33,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1549320173] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:56:33,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:56:33,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:56:33,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968384402] [2023-11-29 02:56:33,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:56:33,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 02:56:33,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:56:33,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 02:56:33,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 02:56:33,953 INFO L87 Difference]: Start difference. First operand has 94 states, 57 states have (on average 1.5087719298245614) internal successors, (86), 58 states have internal predecessors, (86), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) Second operand has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-11-29 02:56:39,476 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.46s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:56:39,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:56:39,477 INFO L93 Difference]: Finished difference Result 185 states and 340 transitions. [2023-11-29 02:56:39,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 02:56:39,834 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 210 [2023-11-29 02:56:39,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:56:39,840 INFO L225 Difference]: With dead ends: 185 [2023-11-29 02:56:39,840 INFO L226 Difference]: Without dead ends: 92 [2023-11-29 02:56:39,843 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 02:56:39,846 INFO L413 NwaCegarLoop]: 145 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2023-11-29 02:56:39,847 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 145 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2023-11-29 02:56:39,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2023-11-29 02:56:39,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2023-11-29 02:56:39,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 56 states have (on average 1.4285714285714286) internal successors, (80), 56 states have internal predecessors, (80), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2023-11-29 02:56:39,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 148 transitions. [2023-11-29 02:56:39,884 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 148 transitions. Word has length 210 [2023-11-29 02:56:39,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:56:39,885 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 148 transitions. [2023-11-29 02:56:39,885 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-11-29 02:56:39,885 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 148 transitions. [2023-11-29 02:56:39,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2023-11-29 02:56:39,889 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:56:39,889 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:56:39,905 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/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)] Forceful destruction successful, exit code 0 [2023-11-29 02:56:40,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 02:56:40,090 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:56:40,090 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:56:40,091 INFO L85 PathProgramCache]: Analyzing trace with hash -1239812372, now seen corresponding path program 1 times [2023-11-29 02:56:40,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:56:40,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [865116119] [2023-11-29 02:56:40,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:56:40,092 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 [2023-11-29 02:56:40,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:56:40,093 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 02:56:40,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 02:56:41,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:41,371 INFO L262 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 02:56:41,381 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:56:44,316 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2023-11-29 02:56:44,316 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:56:44,316 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:56:44,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [865116119] [2023-11-29 02:56:44,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [865116119] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:56:44,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:56:44,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:56:44,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110025814] [2023-11-29 02:56:44,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:56:44,319 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:56:44,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:56:44,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:56:44,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:56:44,321 INFO L87 Difference]: Start difference. First operand 92 states and 148 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 2 states have internal predecessors, (43), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 02:56:49,719 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.29s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:56:53,730 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:56:57,743 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:56:58,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:56:58,172 INFO L93 Difference]: Finished difference Result 274 states and 442 transitions. [2023-11-29 02:56:58,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:56:58,173 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 2 states have internal predecessors, (43), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 210 [2023-11-29 02:56:58,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:56:58,178 INFO L225 Difference]: With dead ends: 274 [2023-11-29 02:56:58,178 INFO L226 Difference]: Without dead ends: 183 [2023-11-29 02:56:58,179 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:56:58,180 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 50 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.8s IncrementalHoareTripleChecker+Time [2023-11-29 02:56:58,181 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 282 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 3 Unknown, 0 Unchecked, 13.8s Time] [2023-11-29 02:56:58,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2023-11-29 02:56:58,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 180. [2023-11-29 02:56:58,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 109 states have (on average 1.4128440366972477) internal successors, (154), 109 states have internal predecessors, (154), 68 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2023-11-29 02:56:58,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 290 transitions. [2023-11-29 02:56:58,224 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 290 transitions. Word has length 210 [2023-11-29 02:56:58,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:56:58,226 INFO L495 AbstractCegarLoop]: Abstraction has 180 states and 290 transitions. [2023-11-29 02:56:58,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 2 states have internal predecessors, (43), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 02:56:58,226 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 290 transitions. [2023-11-29 02:56:58,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2023-11-29 02:56:58,231 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:56:58,231 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:56:58,248 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 02:56:58,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 02:56:58,438 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:56:58,438 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:56:58,439 INFO L85 PathProgramCache]: Analyzing trace with hash -1623622605, now seen corresponding path program 1 times [2023-11-29 02:56:58,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:56:58,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [441947351] [2023-11-29 02:56:58,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:56:58,440 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 [2023-11-29 02:56:58,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:56:58,441 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 02:56:58,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 02:56:59,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:56:59,622 INFO L262 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 02:56:59,632 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:57:02,528 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2023-11-29 02:57:02,528 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:57:02,529 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:57:02,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [441947351] [2023-11-29 02:57:02,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [441947351] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:57:02,531 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:57:02,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 02:57:02,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461320205] [2023-11-29 02:57:02,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:57:02,532 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 02:57:02,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:57:02,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 02:57:02,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 02:57:02,534 INFO L87 Difference]: Start difference. First operand 180 states and 290 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 02:57:07,534 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.78s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:57:12,555 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:57:17,513 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.73s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:57:22,616 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:57:27,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.44s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:57:32,209 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.58s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:57:34,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:57:40,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.57s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:57:44,118 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:57:48,147 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:57:52,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:57:56,210 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:57:56,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:57:56,665 INFO L93 Difference]: Finished difference Result 538 states and 868 transitions. [2023-11-29 02:57:56,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 02:57:56,667 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 211 [2023-11-29 02:57:56,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:57:56,671 INFO L225 Difference]: With dead ends: 538 [2023-11-29 02:57:56,672 INFO L226 Difference]: Without dead ends: 359 [2023-11-29 02:57:56,673 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:57:56,674 INFO L413 NwaCegarLoop]: 157 mSDtfsCounter, 58 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 52.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 435 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 54.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:57:56,674 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 435 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 11 Unknown, 0 Unchecked, 54.0s Time] [2023-11-29 02:57:56,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2023-11-29 02:57:56,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 356. [2023-11-29 02:57:56,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 215 states have (on average 1.3906976744186046) internal successors, (299), 215 states have internal predecessors, (299), 136 states have call successors, (136), 4 states have call predecessors, (136), 4 states have return successors, (136), 136 states have call predecessors, (136), 136 states have call successors, (136) [2023-11-29 02:57:56,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 571 transitions. [2023-11-29 02:57:56,752 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 571 transitions. Word has length 211 [2023-11-29 02:57:56,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:57:56,753 INFO L495 AbstractCegarLoop]: Abstraction has 356 states and 571 transitions. [2023-11-29 02:57:56,754 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 02:57:56,754 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 571 transitions. [2023-11-29 02:57:56,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2023-11-29 02:57:56,758 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:57:56,758 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:57:56,779 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/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)] Ended with exit code 0 [2023-11-29 02:57:56,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 02:57:56,961 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:57:56,961 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:57:56,961 INFO L85 PathProgramCache]: Analyzing trace with hash 1472581670, now seen corresponding path program 1 times [2023-11-29 02:57:56,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:57:56,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1338423972] [2023-11-29 02:57:56,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:57:56,963 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 [2023-11-29 02:57:56,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:57:56,964 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 02:57:56,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 02:57:58,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:57:58,202 INFO L262 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 02:57:58,206 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:57:58,295 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2023-11-29 02:57:58,295 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:57:58,295 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:57:58,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1338423972] [2023-11-29 02:57:58,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1338423972] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:57:58,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:57:58,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 02:57:58,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229078342] [2023-11-29 02:57:58,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:57:58,296 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:57:58,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:57:58,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:57:58,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:57:58,297 INFO L87 Difference]: Start difference. First operand 356 states and 571 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 02:58:03,658 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:58:07,702 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:58:11,711 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:58:12,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:58:12,151 INFO L93 Difference]: Finished difference Result 776 states and 1241 transitions. [2023-11-29 02:58:12,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:58:12,152 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 212 [2023-11-29 02:58:12,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:58:12,156 INFO L225 Difference]: With dead ends: 776 [2023-11-29 02:58:12,157 INFO L226 Difference]: Without dead ends: 421 [2023-11-29 02:58:12,158 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:58:12,159 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 26 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 5 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.8s IncrementalHoareTripleChecker+Time [2023-11-29 02:58:12,160 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 271 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 17 Invalid, 3 Unknown, 0 Unchecked, 13.8s Time] [2023-11-29 02:58:12,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2023-11-29 02:58:12,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 383. [2023-11-29 02:58:12,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 242 states have (on average 1.3925619834710743) internal successors, (337), 242 states have internal predecessors, (337), 136 states have call successors, (136), 4 states have call predecessors, (136), 4 states have return successors, (136), 136 states have call predecessors, (136), 136 states have call successors, (136) [2023-11-29 02:58:12,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 609 transitions. [2023-11-29 02:58:12,206 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 609 transitions. Word has length 212 [2023-11-29 02:58:12,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:58:12,207 INFO L495 AbstractCegarLoop]: Abstraction has 383 states and 609 transitions. [2023-11-29 02:58:12,207 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 02:58:12,207 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 609 transitions. [2023-11-29 02:58:12,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2023-11-29 02:58:12,210 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:58:12,210 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:58:12,226 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/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)] Forceful destruction successful, exit code 0 [2023-11-29 02:58:12,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 02:58:12,412 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:58:12,414 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:58:12,414 INFO L85 PathProgramCache]: Analyzing trace with hash -1550012614, now seen corresponding path program 1 times [2023-11-29 02:58:12,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:58:12,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2100516274] [2023-11-29 02:58:12,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:58:12,418 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 [2023-11-29 02:58:12,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:58:12,421 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 02:58:12,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 02:58:13,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:58:13,536 INFO L262 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 02:58:13,540 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:58:16,188 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2023-11-29 02:58:16,188 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:58:16,188 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:58:16,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2100516274] [2023-11-29 02:58:16,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2100516274] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:58:16,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:58:16,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 02:58:16,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146711526] [2023-11-29 02:58:16,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:58:16,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 02:58:16,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:58:16,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 02:58:16,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:58:16,191 INFO L87 Difference]: Start difference. First operand 383 states and 609 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 02:58:21,625 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.90s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:58:25,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:58:27,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:58:32,927 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.97s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:58:36,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:58:40,940 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:58:45,939 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.71s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:58:50,911 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.97s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:58:54,660 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.75s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:59:01,675 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.29s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:59:05,679 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:59:09,699 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:59:13,707 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:59:17,725 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:59:18,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:59:18,720 INFO L93 Difference]: Finished difference Result 575 states and 915 transitions. [2023-11-29 02:59:18,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 02:59:18,721 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 213 [2023-11-29 02:59:18,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:59:18,725 INFO L225 Difference]: With dead ends: 575 [2023-11-29 02:59:18,726 INFO L226 Difference]: Without dead ends: 378 [2023-11-29 02:59:18,727 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-29 02:59:18,728 INFO L413 NwaCegarLoop]: 241 mSDtfsCounter, 136 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 69 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 60.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 589 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 62.4s IncrementalHoareTripleChecker+Time [2023-11-29 02:59:18,728 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 589 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 79 Invalid, 12 Unknown, 0 Unchecked, 62.4s Time] [2023-11-29 02:59:18,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2023-11-29 02:59:18,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 368. [2023-11-29 02:59:18,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 227 states have (on average 1.3568281938325992) internal successors, (308), 227 states have internal predecessors, (308), 136 states have call successors, (136), 4 states have call predecessors, (136), 4 states have return successors, (136), 136 states have call predecessors, (136), 136 states have call successors, (136) [2023-11-29 02:59:18,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 580 transitions. [2023-11-29 02:59:18,779 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 580 transitions. Word has length 213 [2023-11-29 02:59:18,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:59:18,780 INFO L495 AbstractCegarLoop]: Abstraction has 368 states and 580 transitions. [2023-11-29 02:59:18,781 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 02:59:18,781 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 580 transitions. [2023-11-29 02:59:18,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2023-11-29 02:59:18,784 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:59:18,784 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:59:18,809 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/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)] Ended with exit code 0 [2023-11-29 02:59:18,989 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 02:59:18,990 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:59:18,990 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:59:18,990 INFO L85 PathProgramCache]: Analyzing trace with hash -363325304, now seen corresponding path program 1 times [2023-11-29 02:59:18,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:59:18,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [763153416] [2023-11-29 02:59:18,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:59:18,991 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 [2023-11-29 02:59:18,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:59:18,992 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 02:59:18,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 02:59:20,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:59:20,141 INFO L262 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 02:59:20,146 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:59:26,324 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2023-11-29 02:59:26,324 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:59:26,324 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:59:26,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [763153416] [2023-11-29 02:59:26,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [763153416] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:59:26,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:59:26,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:59:26,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69705333] [2023-11-29 02:59:26,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:59:26,325 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:59:26,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:59:26,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:59:26,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:59:26,326 INFO L87 Difference]: Start difference. First operand 368 states and 580 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 02:59:34,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:59:38,531 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:59:42,539 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:59:46,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:59:50,564 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:59:54,573 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:59:58,606 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:00:02,614 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:00:06,617 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:00:10,633 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:00:14,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:00:18,661 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:00:22,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:00:26,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:00:30,695 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:00:34,716 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:00:38,727 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:00:47,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.42s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:00:51,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:00:55,474 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:00:59,481 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:01:00,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:01:00,474 INFO L93 Difference]: Finished difference Result 1990 states and 3116 transitions. [2023-11-29 03:01:00,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 03:01:00,475 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 214 [2023-11-29 03:01:00,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:01:00,487 INFO L225 Difference]: With dead ends: 1990 [2023-11-29 03:01:00,487 INFO L226 Difference]: Without dead ends: 1623 [2023-11-29 03:01:00,490 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-11-29 03:01:00,491 INFO L413 NwaCegarLoop]: 382 mSDtfsCounter, 294 mSDsluCounter, 672 mSDsCounter, 0 mSdLazyCounter, 546 mSolverCounterSat, 69 mSolverCounterUnsat, 21 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 92.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 294 SdHoareTripleChecker+Valid, 1054 SdHoareTripleChecker+Invalid, 636 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 546 IncrementalHoareTripleChecker+Invalid, 21 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 93.4s IncrementalHoareTripleChecker+Time [2023-11-29 03:01:00,492 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [294 Valid, 1054 Invalid, 636 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 546 Invalid, 21 Unknown, 0 Unchecked, 93.4s Time] [2023-11-29 03:01:00,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1623 states. [2023-11-29 03:01:00,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1623 to 1451. [2023-11-29 03:01:00,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1451 states, 890 states have (on average 1.355056179775281) internal successors, (1206), 890 states have internal predecessors, (1206), 544 states have call successors, (544), 16 states have call predecessors, (544), 16 states have return successors, (544), 544 states have call predecessors, (544), 544 states have call successors, (544) [2023-11-29 03:01:00,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1451 states to 1451 states and 2294 transitions. [2023-11-29 03:01:00,817 INFO L78 Accepts]: Start accepts. Automaton has 1451 states and 2294 transitions. Word has length 214 [2023-11-29 03:01:00,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:01:00,818 INFO L495 AbstractCegarLoop]: Abstraction has 1451 states and 2294 transitions. [2023-11-29 03:01:00,819 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 03:01:00,819 INFO L276 IsEmpty]: Start isEmpty. Operand 1451 states and 2294 transitions. [2023-11-29 03:01:00,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2023-11-29 03:01:00,821 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:01:00,821 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:01:00,852 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 03:01:01,022 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 03:01:01,022 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:01:01,023 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:01:01,023 INFO L85 PathProgramCache]: Analyzing trace with hash -1643188982, now seen corresponding path program 1 times [2023-11-29 03:01:01,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:01:01,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [645864439] [2023-11-29 03:01:01,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:01:01,024 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 [2023-11-29 03:01:01,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:01:01,026 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 03:01:01,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/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 (8)] Waiting until timeout for monitored process [2023-11-29 03:01:02,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:01:02,368 INFO L262 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 03:01:02,374 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:01:08,215 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2023-11-29 03:01:08,215 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:01:08,215 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:01:08,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [645864439] [2023-11-29 03:01:08,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [645864439] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:01:08,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:01:08,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:01:08,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60765091] [2023-11-29 03:01:08,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:01:08,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:01:08,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:01:08,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:01:08,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:01:08,218 INFO L87 Difference]: Start difference. First operand 1451 states and 2294 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 03:01:14,224 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.44s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:01:18,236 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:01:22,252 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:01:28,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.46s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:01:32,506 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:01:36,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:01:36,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:01:36,962 INFO L93 Difference]: Finished difference Result 3780 states and 5945 transitions. [2023-11-29 03:01:36,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 03:01:36,962 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 214 [2023-11-29 03:01:36,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:01:36,984 INFO L225 Difference]: With dead ends: 3780 [2023-11-29 03:01:36,984 INFO L226 Difference]: Without dead ends: 2330 [2023-11-29 03:01:36,989 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:01:36,990 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 117 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 69 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 403 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.5s IncrementalHoareTripleChecker+Time [2023-11-29 03:01:36,991 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 403 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 56 Invalid, 6 Unknown, 0 Unchecked, 28.5s Time] [2023-11-29 03:01:36,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2330 states. [2023-11-29 03:01:37,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2330 to 2158. [2023-11-29 03:01:37,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2158 states, 1317 states have (on average 1.3447228549734245) internal successors, (1771), 1317 states have internal predecessors, (1771), 816 states have call successors, (816), 24 states have call predecessors, (816), 24 states have return successors, (816), 816 states have call predecessors, (816), 816 states have call successors, (816) [2023-11-29 03:01:37,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2158 states to 2158 states and 3403 transitions. [2023-11-29 03:01:37,460 INFO L78 Accepts]: Start accepts. Automaton has 2158 states and 3403 transitions. Word has length 214 [2023-11-29 03:01:37,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:01:37,460 INFO L495 AbstractCegarLoop]: Abstraction has 2158 states and 3403 transitions. [2023-11-29 03:01:37,460 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 03:01:37,461 INFO L276 IsEmpty]: Start isEmpty. Operand 2158 states and 3403 transitions. [2023-11-29 03:01:37,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2023-11-29 03:01:37,462 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:01:37,463 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:01:37,487 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/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 (8)] Forceful destruction successful, exit code 0 [2023-11-29 03:01:37,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 03:01:37,664 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:01:37,664 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:01:37,664 INFO L85 PathProgramCache]: Analyzing trace with hash -245920730, now seen corresponding path program 1 times [2023-11-29 03:01:37,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:01:37,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2105539182] [2023-11-29 03:01:37,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:01:37,665 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 [2023-11-29 03:01:37,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:01:37,666 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 03:01:37,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 03:01:39,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:01:39,137 INFO L262 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 03:01:39,142 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:01:45,255 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2023-11-29 03:01:45,255 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:01:45,256 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:01:45,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2105539182] [2023-11-29 03:01:45,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2105539182] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:01:45,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:01:45,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:01:45,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482033505] [2023-11-29 03:01:45,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:01:45,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:01:45,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:01:45,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:01:45,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:01:45,258 INFO L87 Difference]: Start difference. First operand 2158 states and 3403 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 03:01:51,039 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:01:55,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:01:59,060 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:02:03,068 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:02:07,082 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:02:07,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:02:07,873 INFO L93 Difference]: Finished difference Result 3560 states and 5613 transitions. [2023-11-29 03:02:07,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 03:02:07,874 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 215 [2023-11-29 03:02:07,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:02:07,896 INFO L225 Difference]: With dead ends: 3560 [2023-11-29 03:02:07,896 INFO L226 Difference]: Without dead ends: 2351 [2023-11-29 03:02:07,902 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:02:07,903 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 34 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 410 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.3s IncrementalHoareTripleChecker+Time [2023-11-29 03:02:07,903 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 410 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 52 Invalid, 5 Unknown, 0 Unchecked, 22.3s Time] [2023-11-29 03:02:07,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2351 states. [2023-11-29 03:02:08,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2351 to 1816. [2023-11-29 03:02:08,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1816 states, 1115 states have (on average 1.345291479820628) internal successors, (1500), 1115 states have internal predecessors, (1500), 680 states have call successors, (680), 20 states have call predecessors, (680), 20 states have return successors, (680), 680 states have call predecessors, (680), 680 states have call successors, (680) [2023-11-29 03:02:08,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1816 states to 1816 states and 2860 transitions. [2023-11-29 03:02:08,313 INFO L78 Accepts]: Start accepts. Automaton has 1816 states and 2860 transitions. Word has length 215 [2023-11-29 03:02:08,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:02:08,314 INFO L495 AbstractCegarLoop]: Abstraction has 1816 states and 2860 transitions. [2023-11-29 03:02:08,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 03:02:08,314 INFO L276 IsEmpty]: Start isEmpty. Operand 1816 states and 2860 transitions. [2023-11-29 03:02:08,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2023-11-29 03:02:08,317 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:02:08,317 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:02:08,345 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 03:02:08,517 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 03:02:08,518 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:02:08,518 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:02:08,518 INFO L85 PathProgramCache]: Analyzing trace with hash -1396697042, now seen corresponding path program 1 times [2023-11-29 03:02:08,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:02:08,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1689149104] [2023-11-29 03:02:08,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:02:08,519 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 [2023-11-29 03:02:08,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:02:08,520 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 03:02:08,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 03:02:09,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:02:09,879 INFO L262 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 03:02:09,884 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:02:12,969 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2023-11-29 03:02:12,969 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:02:12,970 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:02:12,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1689149104] [2023-11-29 03:02:12,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1689149104] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:02:12,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:02:12,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 03:02:12,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662024560] [2023-11-29 03:02:12,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:02:12,971 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 03:02:12,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:02:12,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 03:02:12,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:02:12,972 INFO L87 Difference]: Start difference. First operand 1816 states and 2860 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 03:02:19,222 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.90s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:02:23,243 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:02:27,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:02:32,392 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:02:36,401 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:02:40,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:02:45,436 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.74s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:02:50,447 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:02:54,463 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:02:59,119 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.66s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:03:00,532 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:03:07,845 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.45s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:03:11,879 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:03:15,926 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:03:19,937 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:03:23,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:03:27,962 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:03:34,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.84s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:03:39,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.40s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:03:40,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:03:40,137 INFO L93 Difference]: Finished difference Result 3438 states and 5421 transitions. [2023-11-29 03:03:40,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 03:03:40,138 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 215 [2023-11-29 03:03:40,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:03:40,154 INFO L225 Difference]: With dead ends: 3438 [2023-11-29 03:03:40,154 INFO L226 Difference]: Without dead ends: 2542 [2023-11-29 03:03:40,157 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:03:40,158 INFO L413 NwaCegarLoop]: 242 mSDtfsCounter, 331 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 3 mSolverCounterUnsat, 18 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 84.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 331 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 255 IncrementalHoareTripleChecker+Invalid, 18 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 86.9s IncrementalHoareTripleChecker+Time [2023-11-29 03:03:40,158 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [331 Valid, 415 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 255 Invalid, 18 Unknown, 0 Unchecked, 86.9s Time] [2023-11-29 03:03:40,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2542 states. [2023-11-29 03:03:40,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2542 to 2526. [2023-11-29 03:03:40,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2526 states, 1545 states have (on average 1.3333333333333333) internal successors, (2060), 1545 states have internal predecessors, (2060), 952 states have call successors, (952), 28 states have call predecessors, (952), 28 states have return successors, (952), 952 states have call predecessors, (952), 952 states have call successors, (952) [2023-11-29 03:03:40,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2526 states to 2526 states and 3964 transitions. [2023-11-29 03:03:40,592 INFO L78 Accepts]: Start accepts. Automaton has 2526 states and 3964 transitions. Word has length 215 [2023-11-29 03:03:40,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:03:40,592 INFO L495 AbstractCegarLoop]: Abstraction has 2526 states and 3964 transitions. [2023-11-29 03:03:40,593 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 03:03:40,593 INFO L276 IsEmpty]: Start isEmpty. Operand 2526 states and 3964 transitions. [2023-11-29 03:03:40,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2023-11-29 03:03:40,595 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:03:40,595 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:03:40,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 03:03:40,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 03:03:40,810 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:03:40,810 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:03:40,810 INFO L85 PathProgramCache]: Analyzing trace with hash 1611390775, now seen corresponding path program 1 times [2023-11-29 03:03:40,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:03:40,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1365076366] [2023-11-29 03:03:40,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:03:40,811 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 [2023-11-29 03:03:40,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:03:40,812 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 03:03:40,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6439240-740d-4e16-a063-80f5db2bdf9a/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 03:03:41,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:03:41,950 INFO L262 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-29 03:03:41,955 INFO L285 TraceCheckSpWp]: Computing forward predicates...