./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-68.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/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_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-68.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/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_39619772-c2cc-4ddf-913b-efea67ba5c2a/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 a50f9ed11f10306280cf680a91856fa84d69e79835a7539c0719fe95b31ba9a8 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 02:14:00,570 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 02:14:00,634 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 02:14:00,638 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 02:14:00,638 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 02:14:00,663 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 02:14:00,664 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 02:14:00,664 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 02:14:00,665 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 02:14:00,665 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 02:14:00,666 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 02:14:00,666 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 02:14:00,667 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 02:14:00,668 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 02:14:00,668 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 02:14:00,669 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 02:14:00,669 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 02:14:00,670 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 02:14:00,670 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 02:14:00,671 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 02:14:00,671 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 02:14:00,672 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 02:14:00,672 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 02:14:00,673 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 02:14:00,673 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 02:14:00,674 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 02:14:00,674 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 02:14:00,675 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 02:14:00,675 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 02:14:00,676 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 02:14:00,676 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 02:14:00,676 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:14:00,677 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 02:14:00,677 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 02:14:00,678 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 02:14:00,678 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 02:14:00,679 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 02:14:00,679 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 02:14:00,679 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 02:14:00,680 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 02:14:00,680 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 02:14:00,680 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 02:14:00,680 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_39619772-c2cc-4ddf-913b-efea67ba5c2a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a50f9ed11f10306280cf680a91856fa84d69e79835a7539c0719fe95b31ba9a8 [2023-11-29 02:14:00,881 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 02:14:00,902 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 02:14:00,904 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 02:14:00,906 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 02:14:00,906 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 02:14:00,907 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-68.i [2023-11-29 02:14:03,727 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 02:14:03,926 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 02:14:03,927 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-68.i [2023-11-29 02:14:03,938 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/data/2df4004f7/181e0e46f12e4ad890ec908cb63f6e95/FLAGbc9db04e9 [2023-11-29 02:14:03,953 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/data/2df4004f7/181e0e46f12e4ad890ec908cb63f6e95 [2023-11-29 02:14:03,956 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 02:14:03,958 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 02:14:03,959 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 02:14:03,959 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 02:14:03,964 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 02:14:03,965 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:14:03" (1/1) ... [2023-11-29 02:14:03,966 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e60e16c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:14:03, skipping insertion in model container [2023-11-29 02:14:03,966 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:14:03" (1/1) ... [2023-11-29 02:14:04,011 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 02:14:04,157 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_39619772-c2cc-4ddf-913b-efea67ba5c2a/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-68.i[916,929] [2023-11-29 02:14:04,237 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:14:04,250 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 02:14:04,262 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_39619772-c2cc-4ddf-913b-efea67ba5c2a/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-68.i[916,929] [2023-11-29 02:14:04,301 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:14:04,319 INFO L206 MainTranslator]: Completed translation [2023-11-29 02:14:04,319 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:14:04 WrapperNode [2023-11-29 02:14:04,320 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 02:14:04,321 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 02:14:04,321 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 02:14:04,321 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 02:14:04,328 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:14:04" (1/1) ... [2023-11-29 02:14:04,343 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:14:04" (1/1) ... [2023-11-29 02:14:04,389 INFO L138 Inliner]: procedures = 26, calls = 53, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 358 [2023-11-29 02:14:04,389 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 02:14:04,390 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 02:14:04,390 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 02:14:04,390 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 02:14:04,402 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:14:04" (1/1) ... [2023-11-29 02:14:04,402 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:14:04" (1/1) ... [2023-11-29 02:14:04,408 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:14:04" (1/1) ... [2023-11-29 02:14:04,433 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 02:14:04,433 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:14:04" (1/1) ... [2023-11-29 02:14:04,433 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:14:04" (1/1) ... [2023-11-29 02:14:04,447 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:14:04" (1/1) ... [2023-11-29 02:14:04,452 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:14:04" (1/1) ... [2023-11-29 02:14:04,456 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:14:04" (1/1) ... [2023-11-29 02:14:04,461 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:14:04" (1/1) ... [2023-11-29 02:14:04,466 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 02:14:04,467 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 02:14:04,467 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 02:14:04,468 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 02:14:04,468 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:14:04" (1/1) ... [2023-11-29 02:14:04,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:14:04,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:14:04,497 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 02:14:04,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 02:14:04,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 02:14:04,527 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 02:14:04,527 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 02:14:04,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 02:14:04,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 02:14:04,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 02:14:04,637 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 02:14:04,639 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 02:14:05,160 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 02:14:05,193 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 02:14:05,193 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 02:14:05,193 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:14:05 BoogieIcfgContainer [2023-11-29 02:14:05,193 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 02:14:05,196 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 02:14:05,196 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 02:14:05,199 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 02:14:05,200 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 02:14:03" (1/3) ... [2023-11-29 02:14:05,200 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@302b0134 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:14:05, skipping insertion in model container [2023-11-29 02:14:05,201 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:14:04" (2/3) ... [2023-11-29 02:14:05,201 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@302b0134 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:14:05, skipping insertion in model container [2023-11-29 02:14:05,201 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:14:05" (3/3) ... [2023-11-29 02:14:05,202 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-68.i [2023-11-29 02:14:05,221 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 02:14:05,221 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 02:14:05,277 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 02:14:05,284 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;@1bf1084d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 02:14:05,284 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 02:14:05,289 INFO L276 IsEmpty]: Start isEmpty. Operand has 143 states, 100 states have (on average 1.55) internal successors, (155), 101 states have internal predecessors, (155), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-29 02:14:05,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2023-11-29 02:14:05,310 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:14:05,310 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:14:05,311 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:14:05,315 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:14:05,315 INFO L85 PathProgramCache]: Analyzing trace with hash -724554634, now seen corresponding path program 1 times [2023-11-29 02:14:05,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:14:05,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786853996] [2023-11-29 02:14:05,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:14:05,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:14:05,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:14:05,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:14:05,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786853996] [2023-11-29 02:14:05,593 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-29 02:14:05,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [869590145] [2023-11-29 02:14:05,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:14:05,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:14:05,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:14:05,598 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:14:05,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 02:14:05,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:14:05,836 INFO L262 TraceCheckSpWp]: Trace formula consists of 605 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 02:14:05,849 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:14:05,903 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 3042 trivial. 0 not checked. [2023-11-29 02:14:05,903 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:14:05,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [869590145] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:14:05,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:14:05,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:14:05,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470466843] [2023-11-29 02:14:05,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:14:05,912 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 02:14:05,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:14:05,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 02:14:05,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 02:14:05,944 INFO L87 Difference]: Start difference. First operand has 143 states, 100 states have (on average 1.55) internal successors, (155), 101 states have internal predecessors, (155), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) Second operand has 2 states, 2 states have (on average 35.0) internal successors, (70), 2 states have internal predecessors, (70), 2 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 2 states have call successors, (40) [2023-11-29 02:14:05,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:14:05,991 INFO L93 Difference]: Finished difference Result 283 states and 508 transitions. [2023-11-29 02:14:05,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 02:14:05,993 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 35.0) internal successors, (70), 2 states have internal predecessors, (70), 2 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 2 states have call successors, (40) Word has length 265 [2023-11-29 02:14:05,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:14:06,001 INFO L225 Difference]: With dead ends: 283 [2023-11-29 02:14:06,001 INFO L226 Difference]: Without dead ends: 141 [2023-11-29 02:14:06,005 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 264 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 02:14:06,008 INFO L413 NwaCegarLoop]: 227 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, 227 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 02:14:06,009 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 227 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:14:06,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2023-11-29 02:14:06,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2023-11-29 02:14:06,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 99 states have (on average 1.5151515151515151) internal successors, (150), 99 states have internal predecessors, (150), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-29 02:14:06,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 230 transitions. [2023-11-29 02:14:06,064 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 230 transitions. Word has length 265 [2023-11-29 02:14:06,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:14:06,065 INFO L495 AbstractCegarLoop]: Abstraction has 141 states and 230 transitions. [2023-11-29 02:14:06,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 35.0) internal successors, (70), 2 states have internal predecessors, (70), 2 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 2 states have call successors, (40) [2023-11-29 02:14:06,065 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 230 transitions. [2023-11-29 02:14:06,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2023-11-29 02:14:06,072 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:14:06,072 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:14:06,083 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 02:14:06,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-29 02:14:06,275 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:14:06,275 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:14:06,276 INFO L85 PathProgramCache]: Analyzing trace with hash -311038534, now seen corresponding path program 1 times [2023-11-29 02:14:06,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:14:06,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52237560] [2023-11-29 02:14:06,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:14:06,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:14:06,365 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:14:06,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [472624275] [2023-11-29 02:14:06,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:14:06,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:14:06,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:14:06,367 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:14:06,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 02:14:06,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:14:06,584 INFO L262 TraceCheckSpWp]: Trace formula consists of 605 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 02:14:06,596 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:14:06,662 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2023-11-29 02:14:06,663 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:14:06,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:14:06,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52237560] [2023-11-29 02:14:06,663 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 02:14:06,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [472624275] [2023-11-29 02:14:06,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [472624275] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:14:06,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:14:06,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 02:14:06,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564857166] [2023-11-29 02:14:06,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:14:06,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:14:06,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:14:06,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:14:06,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:14:06,668 INFO L87 Difference]: Start difference. First operand 141 states and 230 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-11-29 02:14:06,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:14:06,705 INFO L93 Difference]: Finished difference Result 281 states and 459 transitions. [2023-11-29 02:14:06,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:14:06,706 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 265 [2023-11-29 02:14:06,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:14:06,710 INFO L225 Difference]: With dead ends: 281 [2023-11-29 02:14:06,710 INFO L226 Difference]: Without dead ends: 141 [2023-11-29 02:14:06,713 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 263 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 02:14:06,714 INFO L413 NwaCegarLoop]: 225 mSDtfsCounter, 57 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:14:06,715 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 391 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:14:06,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2023-11-29 02:14:06,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2023-11-29 02:14:06,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 99 states have (on average 1.505050505050505) internal successors, (149), 99 states have internal predecessors, (149), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-29 02:14:06,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 229 transitions. [2023-11-29 02:14:06,736 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 229 transitions. Word has length 265 [2023-11-29 02:14:06,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:14:06,739 INFO L495 AbstractCegarLoop]: Abstraction has 141 states and 229 transitions. [2023-11-29 02:14:06,739 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-11-29 02:14:06,740 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 229 transitions. [2023-11-29 02:14:06,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2023-11-29 02:14:06,747 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:14:06,747 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:14:06,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 02:14:06,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:14:06,948 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:14:06,948 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:14:06,949 INFO L85 PathProgramCache]: Analyzing trace with hash -1155044036, now seen corresponding path program 1 times [2023-11-29 02:14:06,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:14:06,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038229396] [2023-11-29 02:14:06,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:14:06,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:14:07,019 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:14:07,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [256774877] [2023-11-29 02:14:07,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:14:07,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:14:07,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:14:07,021 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:14:07,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 02:14:07,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:14:07,246 INFO L262 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 02:14:07,256 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:14:07,648 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 477 proven. 108 refuted. 0 times theorem prover too weak. 2535 trivial. 0 not checked. [2023-11-29 02:14:07,648 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:14:07,972 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 9 proven. 108 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2023-11-29 02:14:07,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:14:07,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038229396] [2023-11-29 02:14:07,972 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 02:14:07,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [256774877] [2023-11-29 02:14:07,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [256774877] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:14:07,973 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 02:14:07,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2023-11-29 02:14:07,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040276680] [2023-11-29 02:14:07,973 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 02:14:07,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 02:14:07,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:14:07,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 02:14:07,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-29 02:14:07,976 INFO L87 Difference]: Start difference. First operand 141 states and 229 transitions. Second operand has 8 states, 8 states have (on average 13.625) internal successors, (109), 8 states have internal predecessors, (109), 3 states have call successors, (76), 2 states have call predecessors, (76), 4 states have return successors, (77), 3 states have call predecessors, (77), 3 states have call successors, (77) [2023-11-29 02:14:08,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:14:08,350 INFO L93 Difference]: Finished difference Result 287 states and 462 transitions. [2023-11-29 02:14:08,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 02:14:08,351 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.625) internal successors, (109), 8 states have internal predecessors, (109), 3 states have call successors, (76), 2 states have call predecessors, (76), 4 states have return successors, (77), 3 states have call predecessors, (77), 3 states have call successors, (77) Word has length 265 [2023-11-29 02:14:08,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:14:08,354 INFO L225 Difference]: With dead ends: 287 [2023-11-29 02:14:08,354 INFO L226 Difference]: Without dead ends: 147 [2023-11-29 02:14:08,355 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 532 GetRequests, 522 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2023-11-29 02:14:08,356 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 113 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 288 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 02:14:08,357 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 377 Invalid, 300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 288 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 02:14:08,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2023-11-29 02:14:08,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 145. [2023-11-29 02:14:08,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 102 states have (on average 1.411764705882353) internal successors, (144), 102 states have internal predecessors, (144), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-29 02:14:08,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 224 transitions. [2023-11-29 02:14:08,380 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 224 transitions. Word has length 265 [2023-11-29 02:14:08,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:14:08,381 INFO L495 AbstractCegarLoop]: Abstraction has 145 states and 224 transitions. [2023-11-29 02:14:08,382 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.625) internal successors, (109), 8 states have internal predecessors, (109), 3 states have call successors, (76), 2 states have call predecessors, (76), 4 states have return successors, (77), 3 states have call predecessors, (77), 3 states have call successors, (77) [2023-11-29 02:14:08,382 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 224 transitions. [2023-11-29 02:14:08,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2023-11-29 02:14:08,385 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:14:08,385 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:14:08,391 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-29 02:14:08,585 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:14:08,586 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:14:08,586 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:14:08,587 INFO L85 PathProgramCache]: Analyzing trace with hash -2145290162, now seen corresponding path program 1 times [2023-11-29 02:14:08,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:14:08,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788432386] [2023-11-29 02:14:08,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:14:08,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:14:08,638 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:14:08,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1169556768] [2023-11-29 02:14:08,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:14:08,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:14:08,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:14:08,642 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:14:08,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 02:14:08,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:14:08,851 INFO L262 TraceCheckSpWp]: Trace formula consists of 604 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 02:14:08,859 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:14:09,201 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1219 proven. 87 refuted. 0 times theorem prover too weak. 1814 trivial. 0 not checked. [2023-11-29 02:14:09,202 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:14:09,494 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 30 proven. 87 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2023-11-29 02:14:09,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:14:09,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788432386] [2023-11-29 02:14:09,494 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 02:14:09,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1169556768] [2023-11-29 02:14:09,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1169556768] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:14:09,495 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 02:14:09,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2023-11-29 02:14:09,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291949985] [2023-11-29 02:14:09,495 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 02:14:09,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 02:14:09,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:14:09,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 02:14:09,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-29 02:14:09,498 INFO L87 Difference]: Start difference. First operand 145 states and 224 transitions. Second operand has 8 states, 8 states have (on average 9.75) internal successors, (78), 8 states have internal predecessors, (78), 2 states have call successors, (69), 2 states have call predecessors, (69), 4 states have return successors, (70), 2 states have call predecessors, (70), 2 states have call successors, (70) [2023-11-29 02:14:10,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:14:10,040 INFO L93 Difference]: Finished difference Result 449 states and 684 transitions. [2023-11-29 02:14:10,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-29 02:14:10,041 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 8 states have internal predecessors, (78), 2 states have call successors, (69), 2 states have call predecessors, (69), 4 states have return successors, (70), 2 states have call predecessors, (70), 2 states have call successors, (70) Word has length 266 [2023-11-29 02:14:10,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:14:10,045 INFO L225 Difference]: With dead ends: 449 [2023-11-29 02:14:10,045 INFO L226 Difference]: Without dead ends: 305 [2023-11-29 02:14:10,045 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 542 GetRequests, 523 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=112, Invalid=230, Unknown=0, NotChecked=0, Total=342 [2023-11-29 02:14:10,047 INFO L413 NwaCegarLoop]: 173 mSDtfsCounter, 550 mSDsluCounter, 434 mSDsCounter, 0 mSdLazyCounter, 278 mSolverCounterSat, 143 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 561 SdHoareTripleChecker+Valid, 607 SdHoareTripleChecker+Invalid, 421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 02:14:10,047 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [561 Valid, 607 Invalid, 421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [143 Valid, 278 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-29 02:14:10,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2023-11-29 02:14:10,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 295. [2023-11-29 02:14:10,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 208 states have (on average 1.3990384615384615) internal successors, (291), 208 states have internal predecessors, (291), 80 states have call successors, (80), 6 states have call predecessors, (80), 6 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2023-11-29 02:14:10,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 451 transitions. [2023-11-29 02:14:10,094 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 451 transitions. Word has length 266 [2023-11-29 02:14:10,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:14:10,095 INFO L495 AbstractCegarLoop]: Abstraction has 295 states and 451 transitions. [2023-11-29 02:14:10,095 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 8 states have internal predecessors, (78), 2 states have call successors, (69), 2 states have call predecessors, (69), 4 states have return successors, (70), 2 states have call predecessors, (70), 2 states have call successors, (70) [2023-11-29 02:14:10,096 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 451 transitions. [2023-11-29 02:14:10,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2023-11-29 02:14:10,097 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:14:10,098 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:14:10,103 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-29 02:14:10,302 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:14:10,303 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:14:10,303 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:14:10,303 INFO L85 PathProgramCache]: Analyzing trace with hash 1128608780, now seen corresponding path program 1 times [2023-11-29 02:14:10,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:14:10,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920903164] [2023-11-29 02:14:10,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:14:10,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:14:10,345 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:14:10,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2098312001] [2023-11-29 02:14:10,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:14:10,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:14:10,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:14:10,347 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:14:10,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-29 02:14:10,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:14:10,533 INFO L262 TraceCheckSpWp]: Trace formula consists of 601 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-29 02:14:10,540 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:14:10,715 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1327 proven. 33 refuted. 0 times theorem prover too weak. 1760 trivial. 0 not checked. [2023-11-29 02:14:10,716 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:14:10,955 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 84 proven. 33 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2023-11-29 02:14:10,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:14:10,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920903164] [2023-11-29 02:14:10,955 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 02:14:10,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2098312001] [2023-11-29 02:14:10,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2098312001] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:14:10,956 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 02:14:10,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2023-11-29 02:14:10,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363139103] [2023-11-29 02:14:10,957 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 02:14:10,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 02:14:10,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:14:10,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 02:14:10,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-11-29 02:14:10,960 INFO L87 Difference]: Start difference. First operand 295 states and 451 transitions. Second operand has 12 states, 12 states have (on average 8.333333333333334) internal successors, (100), 12 states have internal predecessors, (100), 3 states have call successors, (51), 2 states have call predecessors, (51), 4 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) [2023-11-29 02:14:11,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:14:11,565 INFO L93 Difference]: Finished difference Result 621 states and 933 transitions. [2023-11-29 02:14:11,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-29 02:14:11,566 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.333333333333334) internal successors, (100), 12 states have internal predecessors, (100), 3 states have call successors, (51), 2 states have call predecessors, (51), 4 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) Word has length 266 [2023-11-29 02:14:11,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:14:11,570 INFO L225 Difference]: With dead ends: 621 [2023-11-29 02:14:11,570 INFO L226 Difference]: Without dead ends: 327 [2023-11-29 02:14:11,571 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 538 GetRequests, 520 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=123, Invalid=257, Unknown=0, NotChecked=0, Total=380 [2023-11-29 02:14:11,572 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 187 mSDsluCounter, 458 mSDsCounter, 0 mSdLazyCounter, 615 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 601 SdHoareTripleChecker+Invalid, 624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 615 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 02:14:11,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 601 Invalid, 624 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 615 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 02:14:11,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2023-11-29 02:14:11,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 313. [2023-11-29 02:14:11,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 222 states have (on average 1.3738738738738738) internal successors, (305), 222 states have internal predecessors, (305), 80 states have call successors, (80), 10 states have call predecessors, (80), 10 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2023-11-29 02:14:11,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 465 transitions. [2023-11-29 02:14:11,613 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 465 transitions. Word has length 266 [2023-11-29 02:14:11,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:14:11,614 INFO L495 AbstractCegarLoop]: Abstraction has 313 states and 465 transitions. [2023-11-29 02:14:11,614 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.333333333333334) internal successors, (100), 12 states have internal predecessors, (100), 3 states have call successors, (51), 2 states have call predecessors, (51), 4 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) [2023-11-29 02:14:11,614 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 465 transitions. [2023-11-29 02:14:11,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2023-11-29 02:14:11,616 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:14:11,617 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:14:11,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-29 02:14:11,818 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:14:11,819 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:14:11,819 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:14:11,819 INFO L85 PathProgramCache]: Analyzing trace with hash -380177564, now seen corresponding path program 1 times [2023-11-29 02:14:11,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:14:11,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430847196] [2023-11-29 02:14:11,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:14:11,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:14:11,860 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:14:11,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1434846530] [2023-11-29 02:14:11,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:14:11,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:14:11,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:14:11,862 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:14:11,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-29 02:14:12,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:14:12,060 INFO L262 TraceCheckSpWp]: Trace formula consists of 604 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-29 02:14:12,064 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:14:12,279 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1509 proven. 72 refuted. 0 times theorem prover too weak. 1539 trivial. 0 not checked. [2023-11-29 02:14:12,279 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:14:12,542 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 45 proven. 72 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2023-11-29 02:14:12,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:14:12,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430847196] [2023-11-29 02:14:12,542 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 02:14:12,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1434846530] [2023-11-29 02:14:12,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1434846530] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:14:12,542 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 02:14:12,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2023-11-29 02:14:12,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145845353] [2023-11-29 02:14:12,543 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 02:14:12,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 02:14:12,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:14:12,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 02:14:12,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2023-11-29 02:14:12,546 INFO L87 Difference]: Start difference. First operand 313 states and 465 transitions. Second operand has 12 states, 12 states have (on average 8.0) internal successors, (96), 12 states have internal predecessors, (96), 3 states have call successors, (64), 2 states have call predecessors, (64), 4 states have return successors, (65), 3 states have call predecessors, (65), 3 states have call successors, (65) [2023-11-29 02:14:13,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:14:13,198 INFO L93 Difference]: Finished difference Result 859 states and 1257 transitions. [2023-11-29 02:14:13,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 02:14:13,199 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.0) internal successors, (96), 12 states have internal predecessors, (96), 3 states have call successors, (64), 2 states have call predecessors, (64), 4 states have return successors, (65), 3 states have call predecessors, (65), 3 states have call successors, (65) Word has length 267 [2023-11-29 02:14:13,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:14:13,204 INFO L225 Difference]: With dead ends: 859 [2023-11-29 02:14:13,204 INFO L226 Difference]: Without dead ends: 547 [2023-11-29 02:14:13,206 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 540 GetRequests, 522 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=125, Invalid=255, Unknown=0, NotChecked=0, Total=380 [2023-11-29 02:14:13,207 INFO L413 NwaCegarLoop]: 163 mSDtfsCounter, 330 mSDsluCounter, 619 mSDsCounter, 0 mSdLazyCounter, 627 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 357 SdHoareTripleChecker+Valid, 782 SdHoareTripleChecker+Invalid, 639 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 627 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 02:14:13,207 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [357 Valid, 782 Invalid, 639 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 627 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 02:14:13,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547 states. [2023-11-29 02:14:13,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 547 to 523. [2023-11-29 02:14:13,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 523 states, 398 states have (on average 1.3919597989949748) internal successors, (554), 400 states have internal predecessors, (554), 106 states have call successors, (106), 18 states have call predecessors, (106), 18 states have return successors, (106), 104 states have call predecessors, (106), 106 states have call successors, (106) [2023-11-29 02:14:13,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 766 transitions. [2023-11-29 02:14:13,295 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 766 transitions. Word has length 267 [2023-11-29 02:14:13,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:14:13,296 INFO L495 AbstractCegarLoop]: Abstraction has 523 states and 766 transitions. [2023-11-29 02:14:13,297 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.0) internal successors, (96), 12 states have internal predecessors, (96), 3 states have call successors, (64), 2 states have call predecessors, (64), 4 states have return successors, (65), 3 states have call predecessors, (65), 3 states have call successors, (65) [2023-11-29 02:14:13,297 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 766 transitions. [2023-11-29 02:14:13,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2023-11-29 02:14:13,300 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:14:13,300 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:14:13,307 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-29 02:14:13,501 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-29 02:14:13,501 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:14:13,502 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:14:13,502 INFO L85 PathProgramCache]: Analyzing trace with hash -1751984862, now seen corresponding path program 1 times [2023-11-29 02:14:13,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:14:13,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328507790] [2023-11-29 02:14:13,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:14:13,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:14:13,546 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:14:13,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [216274866] [2023-11-29 02:14:13,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:14:13,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:14:13,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:14:13,548 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:14:13,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-29 02:14:13,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:14:13,747 INFO L262 TraceCheckSpWp]: Trace formula consists of 604 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 02:14:13,752 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:14:14,059 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 477 proven. 108 refuted. 0 times theorem prover too weak. 2535 trivial. 0 not checked. [2023-11-29 02:14:14,059 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:14:14,301 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 9 proven. 108 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2023-11-29 02:14:14,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:14:14,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328507790] [2023-11-29 02:14:14,302 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 02:14:14,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [216274866] [2023-11-29 02:14:14,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [216274866] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:14:14,302 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 02:14:14,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2023-11-29 02:14:14,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907492614] [2023-11-29 02:14:14,303 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 02:14:14,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 02:14:14,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:14:14,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 02:14:14,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-11-29 02:14:14,306 INFO L87 Difference]: Start difference. First operand 523 states and 766 transitions. Second operand has 10 states, 10 states have (on average 11.4) internal successors, (114), 10 states have internal predecessors, (114), 3 states have call successors, (76), 2 states have call predecessors, (76), 4 states have return successors, (77), 3 states have call predecessors, (77), 3 states have call successors, (77) [2023-11-29 02:14:14,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:14:14,724 INFO L93 Difference]: Finished difference Result 1073 states and 1567 transitions. [2023-11-29 02:14:14,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 02:14:14,725 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 11.4) internal successors, (114), 10 states have internal predecessors, (114), 3 states have call successors, (76), 2 states have call predecessors, (76), 4 states have return successors, (77), 3 states have call predecessors, (77), 3 states have call successors, (77) Word has length 267 [2023-11-29 02:14:14,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:14:14,731 INFO L225 Difference]: With dead ends: 1073 [2023-11-29 02:14:14,731 INFO L226 Difference]: Without dead ends: 551 [2023-11-29 02:14:14,733 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 537 GetRequests, 524 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2023-11-29 02:14:14,734 INFO L413 NwaCegarLoop]: 151 mSDtfsCounter, 225 mSDsluCounter, 508 mSDsCounter, 0 mSdLazyCounter, 446 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 659 SdHoareTripleChecker+Invalid, 458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 02:14:14,734 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [228 Valid, 659 Invalid, 458 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 446 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 02:14:14,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 551 states. [2023-11-29 02:14:14,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 551 to 527. [2023-11-29 02:14:14,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 527 states, 402 states have (on average 1.3880597014925373) internal successors, (558), 404 states have internal predecessors, (558), 106 states have call successors, (106), 18 states have call predecessors, (106), 18 states have return successors, (106), 104 states have call predecessors, (106), 106 states have call successors, (106) [2023-11-29 02:14:14,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 770 transitions. [2023-11-29 02:14:14,769 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 770 transitions. Word has length 267 [2023-11-29 02:14:14,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:14:14,769 INFO L495 AbstractCegarLoop]: Abstraction has 527 states and 770 transitions. [2023-11-29 02:14:14,769 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.4) internal successors, (114), 10 states have internal predecessors, (114), 3 states have call successors, (76), 2 states have call predecessors, (76), 4 states have return successors, (77), 3 states have call predecessors, (77), 3 states have call successors, (77) [2023-11-29 02:14:14,769 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 770 transitions. [2023-11-29 02:14:14,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2023-11-29 02:14:14,771 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:14:14,771 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:14:14,777 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-11-29 02:14:14,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-11-29 02:14:14,972 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:14:14,972 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:14:14,973 INFO L85 PathProgramCache]: Analyzing trace with hash 2033509344, now seen corresponding path program 1 times [2023-11-29 02:14:14,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:14:14,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130198048] [2023-11-29 02:14:14,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:14:14,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:14:15,003 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:14:15,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [62045077] [2023-11-29 02:14:15,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:14:15,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:14:15,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:14:15,004 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:14:15,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-29 02:14:15,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:14:15,183 INFO L262 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 02:14:15,187 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:14:15,397 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2023-11-29 02:14:15,397 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:14:15,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:14:15,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130198048] [2023-11-29 02:14:15,397 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 02:14:15,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [62045077] [2023-11-29 02:14:15,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [62045077] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:14:15,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:14:15,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 02:14:15,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924064790] [2023-11-29 02:14:15,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:14:15,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 02:14:15,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:14:15,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 02:14:15,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:14:15,399 INFO L87 Difference]: Start difference. First operand 527 states and 770 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-11-29 02:14:15,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:14:15,667 INFO L93 Difference]: Finished difference Result 1603 states and 2332 transitions. [2023-11-29 02:14:15,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 02:14:15,667 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 267 [2023-11-29 02:14:15,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:14:15,675 INFO L225 Difference]: With dead ends: 1603 [2023-11-29 02:14:15,675 INFO L226 Difference]: Without dead ends: 1077 [2023-11-29 02:14:15,678 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 263 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:14:15,678 INFO L413 NwaCegarLoop]: 256 mSDtfsCounter, 193 mSDsluCounter, 415 mSDsCounter, 0 mSdLazyCounter, 253 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 671 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 02:14:15,679 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 671 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 253 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 02:14:15,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1077 states. [2023-11-29 02:14:15,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1077 to 1071. [2023-11-29 02:14:15,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1071 states, 818 states have (on average 1.3814180929095354) internal successors, (1130), 822 states have internal predecessors, (1130), 212 states have call successors, (212), 40 states have call predecessors, (212), 40 states have return successors, (212), 208 states have call predecessors, (212), 212 states have call successors, (212) [2023-11-29 02:14:15,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1071 states to 1071 states and 1554 transitions. [2023-11-29 02:14:15,787 INFO L78 Accepts]: Start accepts. Automaton has 1071 states and 1554 transitions. Word has length 267 [2023-11-29 02:14:15,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:14:15,788 INFO L495 AbstractCegarLoop]: Abstraction has 1071 states and 1554 transitions. [2023-11-29 02:14:15,788 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-11-29 02:14:15,788 INFO L276 IsEmpty]: Start isEmpty. Operand 1071 states and 1554 transitions. [2023-11-29 02:14:15,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2023-11-29 02:14:15,791 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:14:15,791 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:14:15,797 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-11-29 02:14:15,994 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:14:15,995 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:14:15,995 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:14:15,995 INFO L85 PathProgramCache]: Analyzing trace with hash 1758749730, now seen corresponding path program 1 times [2023-11-29 02:14:15,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:14:15,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521241664] [2023-11-29 02:14:15,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:14:15,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:14:16,032 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:14:16,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1438707082] [2023-11-29 02:14:16,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:14:16,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:14:16,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:14:16,034 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:14:16,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-29 02:14:16,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:14:16,245 INFO L262 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-29 02:14:16,250 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:14:16,711 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 477 proven. 108 refuted. 0 times theorem prover too weak. 2535 trivial. 0 not checked. [2023-11-29 02:14:16,711 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:14:17,405 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2023-11-29 02:14:17,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:14:17,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521241664] [2023-11-29 02:14:17,406 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 02:14:17,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1438707082] [2023-11-29 02:14:17,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1438707082] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 02:14:17,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 02:14:17,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2023-11-29 02:14:17,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631299337] [2023-11-29 02:14:17,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:14:17,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 02:14:17,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:14:17,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 02:14:17,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=244, Unknown=0, NotChecked=0, Total=342 [2023-11-29 02:14:17,409 INFO L87 Difference]: Start difference. First operand 1071 states and 1554 transitions. Second operand has 10 states, 10 states have (on average 7.0) internal successors, (70), 10 states have internal predecessors, (70), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-11-29 02:14:19,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:14:19,929 INFO L93 Difference]: Finished difference Result 5379 states and 7774 transitions. [2023-11-29 02:14:19,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-29 02:14:19,929 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.0) internal successors, (70), 10 states have internal predecessors, (70), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 267 [2023-11-29 02:14:19,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:14:19,952 INFO L225 Difference]: With dead ends: 5379 [2023-11-29 02:14:19,953 INFO L226 Difference]: Without dead ends: 4853 [2023-11-29 02:14:19,955 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 544 GetRequests, 519 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=193, Invalid=509, Unknown=0, NotChecked=0, Total=702 [2023-11-29 02:14:19,956 INFO L413 NwaCegarLoop]: 334 mSDtfsCounter, 1126 mSDsluCounter, 896 mSDsCounter, 0 mSdLazyCounter, 1113 mSolverCounterSat, 229 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1126 SdHoareTripleChecker+Valid, 1230 SdHoareTripleChecker+Invalid, 1342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 229 IncrementalHoareTripleChecker+Valid, 1113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-11-29 02:14:19,956 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1126 Valid, 1230 Invalid, 1342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [229 Valid, 1113 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-11-29 02:14:19,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4853 states. [2023-11-29 02:14:20,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4853 to 1747. [2023-11-29 02:14:20,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1747 states, 1378 states have (on average 1.4020319303338171) internal successors, (1932), 1390 states have internal predecessors, (1932), 306 states have call successors, (306), 62 states have call predecessors, (306), 62 states have return successors, (306), 294 states have call predecessors, (306), 306 states have call successors, (306) [2023-11-29 02:14:20,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1747 states to 1747 states and 2544 transitions. [2023-11-29 02:14:20,177 INFO L78 Accepts]: Start accepts. Automaton has 1747 states and 2544 transitions. Word has length 267 [2023-11-29 02:14:20,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:14:20,177 INFO L495 AbstractCegarLoop]: Abstraction has 1747 states and 2544 transitions. [2023-11-29 02:14:20,177 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.0) internal successors, (70), 10 states have internal predecessors, (70), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-11-29 02:14:20,177 INFO L276 IsEmpty]: Start isEmpty. Operand 1747 states and 2544 transitions. [2023-11-29 02:14:20,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2023-11-29 02:14:20,180 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:14:20,180 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:14:20,186 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-29 02:14:20,380 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:14:20,381 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:14:20,381 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:14:20,381 INFO L85 PathProgramCache]: Analyzing trace with hash 747632480, now seen corresponding path program 1 times [2023-11-29 02:14:20,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:14:20,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521727286] [2023-11-29 02:14:20,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:14:20,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:14:20,415 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:14:20,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1336467742] [2023-11-29 02:14:20,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:14:20,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:14:20,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:14:20,417 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:14:20,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-29 02:14:20,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:14:20,604 INFO L262 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-29 02:14:20,608 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:14:21,010 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 477 proven. 108 refuted. 0 times theorem prover too weak. 2535 trivial. 0 not checked. [2023-11-29 02:14:21,010 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:14:21,759 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 9 proven. 108 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2023-11-29 02:14:21,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:14:21,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521727286] [2023-11-29 02:14:21,759 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 02:14:21,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1336467742] [2023-11-29 02:14:21,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1336467742] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:14:21,759 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 02:14:21,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 13 [2023-11-29 02:14:21,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114779812] [2023-11-29 02:14:21,760 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 02:14:21,761 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 02:14:21,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:14:21,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 02:14:21,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2023-11-29 02:14:21,762 INFO L87 Difference]: Start difference. First operand 1747 states and 2544 transitions. Second operand has 13 states, 13 states have (on average 9.846153846153847) internal successors, (128), 13 states have internal predecessors, (128), 3 states have call successors, (76), 2 states have call predecessors, (76), 4 states have return successors, (77), 3 states have call predecessors, (77), 3 states have call successors, (77) [2023-11-29 02:14:22,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:14:22,813 INFO L93 Difference]: Finished difference Result 4415 states and 6330 transitions. [2023-11-29 02:14:22,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-29 02:14:22,813 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 9.846153846153847) internal successors, (128), 13 states have internal predecessors, (128), 3 states have call successors, (76), 2 states have call predecessors, (76), 4 states have return successors, (77), 3 states have call predecessors, (77), 3 states have call successors, (77) Word has length 267 [2023-11-29 02:14:22,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:14:22,827 INFO L225 Difference]: With dead ends: 4415 [2023-11-29 02:14:22,827 INFO L226 Difference]: Without dead ends: 2657 [2023-11-29 02:14:22,831 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 546 GetRequests, 522 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=201, Invalid=449, Unknown=0, NotChecked=0, Total=650 [2023-11-29 02:14:22,831 INFO L413 NwaCegarLoop]: 230 mSDtfsCounter, 511 mSDsluCounter, 556 mSDsCounter, 0 mSdLazyCounter, 716 mSolverCounterSat, 175 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 515 SdHoareTripleChecker+Valid, 786 SdHoareTripleChecker+Invalid, 891 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 175 IncrementalHoareTripleChecker+Valid, 716 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 02:14:22,831 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [515 Valid, 786 Invalid, 891 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [175 Valid, 716 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 02:14:22,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2657 states. [2023-11-29 02:14:22,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2657 to 1743. [2023-11-29 02:14:22,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1743 states, 1374 states have (on average 1.3857350800582242) internal successors, (1904), 1386 states have internal predecessors, (1904), 306 states have call successors, (306), 62 states have call predecessors, (306), 62 states have return successors, (306), 294 states have call predecessors, (306), 306 states have call successors, (306) [2023-11-29 02:14:23,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1743 states to 1743 states and 2516 transitions. [2023-11-29 02:14:23,006 INFO L78 Accepts]: Start accepts. Automaton has 1743 states and 2516 transitions. Word has length 267 [2023-11-29 02:14:23,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:14:23,007 INFO L495 AbstractCegarLoop]: Abstraction has 1743 states and 2516 transitions. [2023-11-29 02:14:23,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 9.846153846153847) internal successors, (128), 13 states have internal predecessors, (128), 3 states have call successors, (76), 2 states have call predecessors, (76), 4 states have return successors, (77), 3 states have call predecessors, (77), 3 states have call successors, (77) [2023-11-29 02:14:23,007 INFO L276 IsEmpty]: Start isEmpty. Operand 1743 states and 2516 transitions. [2023-11-29 02:14:23,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2023-11-29 02:14:23,009 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:14:23,010 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:14:23,015 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-11-29 02:14:23,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-29 02:14:23,210 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:14:23,211 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:14:23,211 INFO L85 PathProgramCache]: Analyzing trace with hash -612989532, now seen corresponding path program 1 times [2023-11-29 02:14:23,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:14:23,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818551268] [2023-11-29 02:14:23,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:14:23,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:14:23,250 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:14:23,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [923628664] [2023-11-29 02:14:23,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:14:23,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:14:23,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:14:23,251 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:14:23,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-29 02:14:23,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:14:23,408 INFO L262 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-29 02:14:23,413 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:14:24,250 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 477 proven. 108 refuted. 0 times theorem prover too weak. 2535 trivial. 0 not checked. [2023-11-29 02:14:24,250 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:14:25,011 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2023-11-29 02:14:25,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:14:25,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818551268] [2023-11-29 02:14:25,012 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 02:14:25,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [923628664] [2023-11-29 02:14:25,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [923628664] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 02:14:25,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 02:14:25,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [13] total 24 [2023-11-29 02:14:25,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361408929] [2023-11-29 02:14:25,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:14:25,013 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 02:14:25,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:14:25,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 02:14:25,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=453, Unknown=0, NotChecked=0, Total=552 [2023-11-29 02:14:25,014 INFO L87 Difference]: Start difference. First operand 1743 states and 2516 transitions. Second operand has 12 states, 12 states have (on average 5.833333333333333) internal successors, (70), 12 states have internal predecessors, (70), 2 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2023-11-29 02:14:28,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:14:28,111 INFO L93 Difference]: Finished difference Result 6176 states and 8814 transitions. [2023-11-29 02:14:28,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-29 02:14:28,111 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.833333333333333) internal successors, (70), 12 states have internal predecessors, (70), 2 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 267 [2023-11-29 02:14:28,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:14:28,132 INFO L225 Difference]: With dead ends: 6176 [2023-11-29 02:14:28,132 INFO L226 Difference]: Without dead ends: 5010 [2023-11-29 02:14:28,135 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 554 GetRequests, 517 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 308 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=295, Invalid=1187, Unknown=0, NotChecked=0, Total=1482 [2023-11-29 02:14:28,136 INFO L413 NwaCegarLoop]: 375 mSDtfsCounter, 927 mSDsluCounter, 1011 mSDsCounter, 0 mSdLazyCounter, 1586 mSolverCounterSat, 439 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 927 SdHoareTripleChecker+Valid, 1386 SdHoareTripleChecker+Invalid, 2025 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 439 IncrementalHoareTripleChecker+Valid, 1586 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:14:28,136 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [927 Valid, 1386 Invalid, 2025 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [439 Valid, 1586 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-11-29 02:14:28,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5010 states. [2023-11-29 02:14:28,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5010 to 1738. [2023-11-29 02:14:28,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1738 states, 1351 states have (on average 1.386380458919319) internal successors, (1873), 1360 states have internal predecessors, (1873), 322 states have call successors, (322), 64 states have call predecessors, (322), 64 states have return successors, (322), 313 states have call predecessors, (322), 322 states have call successors, (322) [2023-11-29 02:14:28,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1738 states to 1738 states and 2517 transitions. [2023-11-29 02:14:28,505 INFO L78 Accepts]: Start accepts. Automaton has 1738 states and 2517 transitions. Word has length 267 [2023-11-29 02:14:28,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:14:28,506 INFO L495 AbstractCegarLoop]: Abstraction has 1738 states and 2517 transitions. [2023-11-29 02:14:28,506 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.833333333333333) internal successors, (70), 12 states have internal predecessors, (70), 2 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2023-11-29 02:14:28,506 INFO L276 IsEmpty]: Start isEmpty. Operand 1738 states and 2517 transitions. [2023-11-29 02:14:28,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2023-11-29 02:14:28,510 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:14:28,510 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:14:28,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2023-11-29 02:14:28,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:14:28,715 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:14:28,715 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:14:28,715 INFO L85 PathProgramCache]: Analyzing trace with hash 1364382944, now seen corresponding path program 1 times [2023-11-29 02:14:28,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:14:28,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235116072] [2023-11-29 02:14:28,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:14:28,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:14:28,747 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:14:28,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [501901384] [2023-11-29 02:14:28,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:14:28,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:14:28,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:14:28,748 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:14:28,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-29 02:14:28,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:14:28,958 INFO L262 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-29 02:14:28,964 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:14:29,182 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1190 proven. 48 refuted. 0 times theorem prover too weak. 1882 trivial. 0 not checked. [2023-11-29 02:14:29,182 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:14:29,384 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 90 proven. 27 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2023-11-29 02:14:29,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:14:29,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235116072] [2023-11-29 02:14:29,384 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 02:14:29,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [501901384] [2023-11-29 02:14:29,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [501901384] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:14:29,384 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 02:14:29,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 13 [2023-11-29 02:14:29,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000620211] [2023-11-29 02:14:29,385 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 02:14:29,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 02:14:29,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:14:29,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 02:14:29,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2023-11-29 02:14:29,387 INFO L87 Difference]: Start difference. First operand 1738 states and 2517 transitions. Second operand has 13 states, 13 states have (on average 7.461538461538462) internal successors, (97), 13 states have internal predecessors, (97), 3 states have call successors, (49), 3 states have call predecessors, (49), 5 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2023-11-29 02:14:31,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:14:31,048 INFO L93 Difference]: Finished difference Result 6970 states and 9972 transitions. [2023-11-29 02:14:31,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-11-29 02:14:31,049 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 7.461538461538462) internal successors, (97), 13 states have internal predecessors, (97), 3 states have call successors, (49), 3 states have call predecessors, (49), 5 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) Word has length 267 [2023-11-29 02:14:31,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:14:31,079 INFO L225 Difference]: With dead ends: 6970 [2023-11-29 02:14:31,079 INFO L226 Difference]: Without dead ends: 5300 [2023-11-29 02:14:31,083 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 560 GetRequests, 522 SyntacticMatches, 3 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 349 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=348, Invalid=984, Unknown=0, NotChecked=0, Total=1332 [2023-11-29 02:14:31,084 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 1486 mSDsluCounter, 782 mSDsCounter, 0 mSdLazyCounter, 588 mSolverCounterSat, 680 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1518 SdHoareTripleChecker+Valid, 942 SdHoareTripleChecker+Invalid, 1268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 680 IncrementalHoareTripleChecker+Valid, 588 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-29 02:14:31,084 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1518 Valid, 942 Invalid, 1268 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [680 Valid, 588 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-29 02:14:31,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5300 states. [2023-11-29 02:14:31,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5300 to 1850. [2023-11-29 02:14:31,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1850 states, 1455 states have (on average 1.386254295532646) internal successors, (2017), 1464 states have internal predecessors, (2017), 322 states have call successors, (322), 72 states have call predecessors, (322), 72 states have return successors, (322), 313 states have call predecessors, (322), 322 states have call successors, (322) [2023-11-29 02:14:31,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1850 states to 1850 states and 2661 transitions. [2023-11-29 02:14:31,473 INFO L78 Accepts]: Start accepts. Automaton has 1850 states and 2661 transitions. Word has length 267 [2023-11-29 02:14:31,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:14:31,474 INFO L495 AbstractCegarLoop]: Abstraction has 1850 states and 2661 transitions. [2023-11-29 02:14:31,474 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.461538461538462) internal successors, (97), 13 states have internal predecessors, (97), 3 states have call successors, (49), 3 states have call predecessors, (49), 5 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2023-11-29 02:14:31,475 INFO L276 IsEmpty]: Start isEmpty. Operand 1850 states and 2661 transitions. [2023-11-29 02:14:31,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2023-11-29 02:14:31,478 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:14:31,478 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:14:31,484 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-11-29 02:14:31,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:14:31,679 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:14:31,679 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:14:31,679 INFO L85 PathProgramCache]: Analyzing trace with hash 520377442, now seen corresponding path program 1 times [2023-11-29 02:14:31,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:14:31,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499315141] [2023-11-29 02:14:31,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:14:31,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:14:31,706 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:14:31,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1900001143] [2023-11-29 02:14:31,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:14:31,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:14:31,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:14:31,707 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:14:31,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-29 02:14:31,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:14:31,894 INFO L262 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-29 02:14:31,899 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:14:32,981 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1520 proven. 378 refuted. 0 times theorem prover too weak. 1222 trivial. 0 not checked. [2023-11-29 02:14:32,981 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:14:33,612 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 120 proven. 222 refuted. 0 times theorem prover too weak. 2778 trivial. 0 not checked. [2023-11-29 02:14:33,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:14:33,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499315141] [2023-11-29 02:14:33,613 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 02:14:33,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1900001143] [2023-11-29 02:14:33,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1900001143] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:14:33,613 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 02:14:33,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 14] total 29 [2023-11-29 02:14:33,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003469731] [2023-11-29 02:14:33,613 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 02:14:33,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2023-11-29 02:14:33,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:14:33,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2023-11-29 02:14:33,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=175, Invalid=637, Unknown=0, NotChecked=0, Total=812 [2023-11-29 02:14:33,616 INFO L87 Difference]: Start difference. First operand 1850 states and 2661 transitions. Second operand has 29 states, 28 states have (on average 4.714285714285714) internal successors, (132), 26 states have internal predecessors, (132), 8 states have call successors, (68), 5 states have call predecessors, (68), 10 states have return successors, (70), 8 states have call predecessors, (70), 8 states have call successors, (70) [2023-11-29 02:14:36,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:14:36,760 INFO L93 Difference]: Finished difference Result 3168 states and 4408 transitions. [2023-11-29 02:14:36,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-11-29 02:14:36,761 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 4.714285714285714) internal successors, (132), 26 states have internal predecessors, (132), 8 states have call successors, (68), 5 states have call predecessors, (68), 10 states have return successors, (70), 8 states have call predecessors, (70), 8 states have call successors, (70) Word has length 267 [2023-11-29 02:14:36,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:14:36,769 INFO L225 Difference]: With dead ends: 3168 [2023-11-29 02:14:36,769 INFO L226 Difference]: Without dead ends: 2030 [2023-11-29 02:14:36,774 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 588 GetRequests, 513 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1548 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=1397, Invalid=4455, Unknown=0, NotChecked=0, Total=5852 [2023-11-29 02:14:36,775 INFO L413 NwaCegarLoop]: 256 mSDtfsCounter, 1008 mSDsluCounter, 1400 mSDsCounter, 0 mSdLazyCounter, 2349 mSolverCounterSat, 376 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1008 SdHoareTripleChecker+Valid, 1656 SdHoareTripleChecker+Invalid, 2725 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 376 IncrementalHoareTripleChecker+Valid, 2349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-29 02:14:36,775 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1008 Valid, 1656 Invalid, 2725 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [376 Valid, 2349 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-29 02:14:36,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2030 states. [2023-11-29 02:14:37,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2030 to 1838. [2023-11-29 02:14:37,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1838 states, 1438 states have (on average 1.3560500695410291) internal successors, (1950), 1447 states have internal predecessors, (1950), 298 states have call successors, (298), 101 states have call predecessors, (298), 101 states have return successors, (298), 289 states have call predecessors, (298), 298 states have call successors, (298) [2023-11-29 02:14:37,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1838 states and 2546 transitions. [2023-11-29 02:14:37,069 INFO L78 Accepts]: Start accepts. Automaton has 1838 states and 2546 transitions. Word has length 267 [2023-11-29 02:14:37,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:14:37,070 INFO L495 AbstractCegarLoop]: Abstraction has 1838 states and 2546 transitions. [2023-11-29 02:14:37,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 4.714285714285714) internal successors, (132), 26 states have internal predecessors, (132), 8 states have call successors, (68), 5 states have call predecessors, (68), 10 states have return successors, (70), 8 states have call predecessors, (70), 8 states have call successors, (70) [2023-11-29 02:14:37,070 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 2546 transitions. [2023-11-29 02:14:37,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2023-11-29 02:14:37,072 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:14:37,073 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:14:37,079 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-11-29 02:14:37,273 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-29 02:14:37,273 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:14:37,274 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:14:37,274 INFO L85 PathProgramCache]: Analyzing trace with hash -832601388, now seen corresponding path program 1 times [2023-11-29 02:14:37,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:14:37,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647959262] [2023-11-29 02:14:37,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:14:37,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:14:37,308 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:14:37,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [951465771] [2023-11-29 02:14:37,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:14:37,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:14:37,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:14:37,311 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:14:37,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-29 02:14:37,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:14:37,505 INFO L262 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-29 02:14:37,509 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:14:38,229 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 477 proven. 108 refuted. 0 times theorem prover too weak. 2535 trivial. 0 not checked. [2023-11-29 02:14:38,229 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:14:38,463 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 9 proven. 108 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2023-11-29 02:14:38,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:14:38,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647959262] [2023-11-29 02:14:38,464 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 02:14:38,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [951465771] [2023-11-29 02:14:38,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [951465771] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:14:38,464 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 02:14:38,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2023-11-29 02:14:38,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193917807] [2023-11-29 02:14:38,465 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 02:14:38,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 02:14:38,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:14:38,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 02:14:38,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2023-11-29 02:14:38,467 INFO L87 Difference]: Start difference. First operand 1838 states and 2546 transitions. Second operand has 11 states, 11 states have (on average 11.636363636363637) internal successors, (128), 11 states have internal predecessors, (128), 4 states have call successors, (80), 3 states have call predecessors, (80), 5 states have return successors, (80), 4 states have call predecessors, (80), 4 states have call successors, (80) [2023-11-29 02:14:39,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:14:39,409 INFO L93 Difference]: Finished difference Result 4198 states and 5865 transitions. [2023-11-29 02:14:39,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 02:14:39,410 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 11.636363636363637) internal successors, (128), 11 states have internal predecessors, (128), 4 states have call successors, (80), 3 states have call predecessors, (80), 5 states have return successors, (80), 4 states have call predecessors, (80), 4 states have call successors, (80) Word has length 268 [2023-11-29 02:14:39,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:14:39,420 INFO L225 Difference]: With dead ends: 4198 [2023-11-29 02:14:39,420 INFO L226 Difference]: Without dead ends: 2448 [2023-11-29 02:14:39,423 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 540 GetRequests, 525 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=84, Invalid=188, Unknown=0, NotChecked=0, Total=272 [2023-11-29 02:14:39,424 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 454 mSDsluCounter, 528 mSDsCounter, 0 mSdLazyCounter, 648 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 457 SdHoareTripleChecker+Valid, 671 SdHoareTripleChecker+Invalid, 661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 648 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 02:14:39,424 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [457 Valid, 671 Invalid, 661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 648 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 02:14:39,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2448 states. [2023-11-29 02:14:39,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2448 to 2146. [2023-11-29 02:14:39,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2146 states, 1730 states have (on average 1.3745664739884393) internal successors, (2378), 1743 states have internal predecessors, (2378), 310 states have call successors, (310), 105 states have call predecessors, (310), 105 states have return successors, (310), 297 states have call predecessors, (310), 310 states have call successors, (310) [2023-11-29 02:14:39,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2146 states to 2146 states and 2998 transitions. [2023-11-29 02:14:39,773 INFO L78 Accepts]: Start accepts. Automaton has 2146 states and 2998 transitions. Word has length 268 [2023-11-29 02:14:39,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:14:39,774 INFO L495 AbstractCegarLoop]: Abstraction has 2146 states and 2998 transitions. [2023-11-29 02:14:39,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.636363636363637) internal successors, (128), 11 states have internal predecessors, (128), 4 states have call successors, (80), 3 states have call predecessors, (80), 5 states have return successors, (80), 4 states have call predecessors, (80), 4 states have call successors, (80) [2023-11-29 02:14:39,774 INFO L276 IsEmpty]: Start isEmpty. Operand 2146 states and 2998 transitions. [2023-11-29 02:14:39,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2023-11-29 02:14:39,776 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:14:39,776 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:14:39,783 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2023-11-29 02:14:39,977 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-29 02:14:39,977 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:14:39,977 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:14:39,977 INFO L85 PathProgramCache]: Analyzing trace with hash -966614894, now seen corresponding path program 1 times [2023-11-29 02:14:39,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:14:39,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893613119] [2023-11-29 02:14:39,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:14:39,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:14:40,000 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:14:40,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [862999811] [2023-11-29 02:14:40,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:14:40,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:14:40,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:14:40,001 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:14:40,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-11-29 02:14:40,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:14:40,207 INFO L262 TraceCheckSpWp]: Trace formula consists of 605 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-29 02:14:40,211 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:14:40,574 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1985 proven. 87 refuted. 0 times theorem prover too weak. 1048 trivial. 0 not checked. [2023-11-29 02:14:40,575 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:14:41,789 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 246 proven. 96 refuted. 0 times theorem prover too weak. 2778 trivial. 0 not checked. [2023-11-29 02:14:41,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:14:41,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893613119] [2023-11-29 02:14:41,790 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 02:14:41,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [862999811] [2023-11-29 02:14:41,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [862999811] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:14:41,790 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 02:14:41,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 22 [2023-11-29 02:14:41,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133747664] [2023-11-29 02:14:41,791 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 02:14:41,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-11-29 02:14:41,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:14:41,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-11-29 02:14:41,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=330, Unknown=0, NotChecked=0, Total=462 [2023-11-29 02:14:41,792 INFO L87 Difference]: Start difference. First operand 2146 states and 2998 transitions. Second operand has 22 states, 21 states have (on average 6.0) internal successors, (126), 20 states have internal predecessors, (126), 7 states have call successors, (61), 4 states have call predecessors, (61), 9 states have return successors, (62), 7 states have call predecessors, (62), 7 states have call successors, (62) [2023-11-29 02:14:45,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:14:48,080 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:14:51,886 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:14:55,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:14:55,650 INFO L93 Difference]: Finished difference Result 5264 states and 7289 transitions. [2023-11-29 02:14:55,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-11-29 02:14:55,651 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 6.0) internal successors, (126), 20 states have internal predecessors, (126), 7 states have call successors, (61), 4 states have call predecessors, (61), 9 states have return successors, (62), 7 states have call predecessors, (62), 7 states have call successors, (62) Word has length 268 [2023-11-29 02:14:55,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:14:55,661 INFO L225 Difference]: With dead ends: 5264 [2023-11-29 02:14:55,661 INFO L226 Difference]: Without dead ends: 3206 [2023-11-29 02:14:55,666 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 573 GetRequests, 521 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 678 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=822, Invalid=2040, Unknown=0, NotChecked=0, Total=2862 [2023-11-29 02:14:55,666 INFO L413 NwaCegarLoop]: 226 mSDtfsCounter, 1241 mSDsluCounter, 963 mSDsCounter, 0 mSdLazyCounter, 1390 mSolverCounterSat, 328 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1241 SdHoareTripleChecker+Valid, 1189 SdHoareTripleChecker+Invalid, 1719 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 328 IncrementalHoareTripleChecker+Valid, 1390 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:14:55,667 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1241 Valid, 1189 Invalid, 1719 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [328 Valid, 1390 Invalid, 1 Unknown, 0 Unchecked, 10.0s Time] [2023-11-29 02:14:55,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3206 states. [2023-11-29 02:14:55,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3206 to 589. [2023-11-29 02:14:55,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 589 states, 472 states have (on average 1.3347457627118644) internal successors, (630), 472 states have internal predecessors, (630), 80 states have call successors, (80), 36 states have call predecessors, (80), 36 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2023-11-29 02:14:55,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 589 states and 790 transitions. [2023-11-29 02:14:55,883 INFO L78 Accepts]: Start accepts. Automaton has 589 states and 790 transitions. Word has length 268 [2023-11-29 02:14:55,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:14:55,883 INFO L495 AbstractCegarLoop]: Abstraction has 589 states and 790 transitions. [2023-11-29 02:14:55,883 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 6.0) internal successors, (126), 20 states have internal predecessors, (126), 7 states have call successors, (61), 4 states have call predecessors, (61), 9 states have return successors, (62), 7 states have call predecessors, (62), 7 states have call successors, (62) [2023-11-29 02:14:55,884 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 790 transitions. [2023-11-29 02:14:55,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2023-11-29 02:14:55,885 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:14:55,885 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:14:55,890 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2023-11-29 02:14:56,085 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:14:56,086 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:14:56,086 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:14:56,086 INFO L85 PathProgramCache]: Analyzing trace with hash -96811159, now seen corresponding path program 1 times [2023-11-29 02:14:56,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:14:56,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827706443] [2023-11-29 02:14:56,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:14:56,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:14:56,115 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:14:56,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [333277484] [2023-11-29 02:14:56,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:14:56,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:14:56,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:14:56,117 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:14:56,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-11-29 02:14:56,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:14:56,348 INFO L262 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-29 02:14:56,354 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:14:57,490 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1503 proven. 132 refuted. 0 times theorem prover too weak. 1485 trivial. 0 not checked. [2023-11-29 02:14:57,490 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:14:59,027 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 9 proven. 108 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2023-11-29 02:14:59,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:14:59,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827706443] [2023-11-29 02:14:59,027 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 02:14:59,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [333277484] [2023-11-29 02:14:59,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [333277484] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:14:59,027 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 02:14:59,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 24 [2023-11-29 02:14:59,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110377299] [2023-11-29 02:14:59,028 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 02:14:59,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-11-29 02:14:59,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:14:59,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-11-29 02:14:59,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=436, Unknown=0, NotChecked=0, Total=552 [2023-11-29 02:14:59,030 INFO L87 Difference]: Start difference. First operand 589 states and 790 transitions. Second operand has 24 states, 24 states have (on average 6.083333333333333) internal successors, (146), 24 states have internal predecessors, (146), 5 states have call successors, (80), 4 states have call predecessors, (80), 7 states have return successors, (80), 5 states have call predecessors, (80), 5 states have call successors, (80) [2023-11-29 02:15:07,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:15:07,628 INFO L93 Difference]: Finished difference Result 4576 states and 6191 transitions. [2023-11-29 02:15:07,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2023-11-29 02:15:07,629 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 6.083333333333333) internal successors, (146), 24 states have internal predecessors, (146), 5 states have call successors, (80), 4 states have call predecessors, (80), 7 states have return successors, (80), 5 states have call predecessors, (80), 5 states have call successors, (80) Word has length 269 [2023-11-29 02:15:07,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:15:07,635 INFO L225 Difference]: With dead ends: 4576 [2023-11-29 02:15:07,635 INFO L226 Difference]: Without dead ends: 3964 [2023-11-29 02:15:07,638 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 614 GetRequests, 527 SyntacticMatches, 1 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2253 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=1548, Invalid=6108, Unknown=0, NotChecked=0, Total=7656 [2023-11-29 02:15:07,639 INFO L413 NwaCegarLoop]: 321 mSDtfsCounter, 2352 mSDsluCounter, 2518 mSDsCounter, 0 mSdLazyCounter, 3263 mSolverCounterSat, 773 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2360 SdHoareTripleChecker+Valid, 2839 SdHoareTripleChecker+Invalid, 4036 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 773 IncrementalHoareTripleChecker+Valid, 3263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2023-11-29 02:15:07,639 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2360 Valid, 2839 Invalid, 4036 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [773 Valid, 3263 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2023-11-29 02:15:07,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3964 states. [2023-11-29 02:15:07,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3964 to 1523. [2023-11-29 02:15:07,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1523 states, 1288 states have (on average 1.3866459627329193) internal successors, (1786), 1288 states have internal predecessors, (1786), 160 states have call successors, (160), 74 states have call predecessors, (160), 74 states have return successors, (160), 160 states have call predecessors, (160), 160 states have call successors, (160) [2023-11-29 02:15:07,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1523 states to 1523 states and 2106 transitions. [2023-11-29 02:15:07,949 INFO L78 Accepts]: Start accepts. Automaton has 1523 states and 2106 transitions. Word has length 269 [2023-11-29 02:15:07,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:15:07,949 INFO L495 AbstractCegarLoop]: Abstraction has 1523 states and 2106 transitions. [2023-11-29 02:15:07,949 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 6.083333333333333) internal successors, (146), 24 states have internal predecessors, (146), 5 states have call successors, (80), 4 states have call predecessors, (80), 7 states have return successors, (80), 5 states have call predecessors, (80), 5 states have call successors, (80) [2023-11-29 02:15:07,950 INFO L276 IsEmpty]: Start isEmpty. Operand 1523 states and 2106 transitions. [2023-11-29 02:15:07,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2023-11-29 02:15:07,951 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:15:07,952 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:15:07,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2023-11-29 02:15:08,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:15:08,152 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:15:08,152 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:15:08,153 INFO L85 PathProgramCache]: Analyzing trace with hash 1289392235, now seen corresponding path program 1 times [2023-11-29 02:15:08,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:15:08,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239150564] [2023-11-29 02:15:08,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:15:08,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:15:08,175 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:15:08,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [476280537] [2023-11-29 02:15:08,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:15:08,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:15:08,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:15:08,177 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:15:08,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-11-29 02:15:08,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:15:08,470 INFO L262 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 44 conjunts are in the unsatisfiable core [2023-11-29 02:15:08,476 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:15:11,423 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 2096 proven. 309 refuted. 0 times theorem prover too weak. 715 trivial. 0 not checked. [2023-11-29 02:15:11,423 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:15:13,772 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 105 proven. 237 refuted. 0 times theorem prover too weak. 2778 trivial. 0 not checked. [2023-11-29 02:15:13,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:15:13,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239150564] [2023-11-29 02:15:13,773 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 02:15:13,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [476280537] [2023-11-29 02:15:13,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [476280537] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:15:13,773 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 02:15:13,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 21] total 42 [2023-11-29 02:15:13,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958942955] [2023-11-29 02:15:13,774 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 02:15:13,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2023-11-29 02:15:13,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:15:13,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2023-11-29 02:15:13,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=418, Invalid=1304, Unknown=0, NotChecked=0, Total=1722 [2023-11-29 02:15:13,776 INFO L87 Difference]: Start difference. First operand 1523 states and 2106 transitions. Second operand has 42 states, 40 states have (on average 4.1) internal successors, (164), 38 states have internal predecessors, (164), 11 states have call successors, (80), 7 states have call predecessors, (80), 13 states have return successors, (80), 11 states have call predecessors, (80), 11 states have call successors, (80) [2023-11-29 02:15:28,804 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:15:29,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:15:29,843 INFO L93 Difference]: Finished difference Result 6223 states and 8495 transitions. [2023-11-29 02:15:29,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2023-11-29 02:15:29,844 INFO L78 Accepts]: Start accepts. Automaton has has 42 states, 40 states have (on average 4.1) internal successors, (164), 38 states have internal predecessors, (164), 11 states have call successors, (80), 7 states have call predecessors, (80), 13 states have return successors, (80), 11 states have call predecessors, (80), 11 states have call successors, (80) Word has length 269 [2023-11-29 02:15:29,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:15:29,851 INFO L225 Difference]: With dead ends: 6223 [2023-11-29 02:15:29,851 INFO L226 Difference]: Without dead ends: 4677 [2023-11-29 02:15:29,860 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 672 GetRequests, 518 SyntacticMatches, 0 SemanticMatches, 154 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8076 ImplicationChecksByTransitivity, 6.8s TimeCoverageRelationStatistics Valid=5788, Invalid=18392, Unknown=0, NotChecked=0, Total=24180 [2023-11-29 02:15:29,860 INFO L413 NwaCegarLoop]: 174 mSDtfsCounter, 5100 mSDsluCounter, 1689 mSDsCounter, 0 mSdLazyCounter, 3865 mSolverCounterSat, 1277 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5101 SdHoareTripleChecker+Valid, 1863 SdHoareTripleChecker+Invalid, 5142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1277 IncrementalHoareTripleChecker+Valid, 3865 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:15:29,860 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5101 Valid, 1863 Invalid, 5142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1277 Valid, 3865 Invalid, 0 Unknown, 0 Unchecked, 9.0s Time] [2023-11-29 02:15:29,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4677 states. [2023-11-29 02:15:30,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4677 to 1561. [2023-11-29 02:15:30,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1561 states, 1324 states have (on average 1.3821752265861027) internal successors, (1830), 1324 states have internal predecessors, (1830), 160 states have call successors, (160), 76 states have call predecessors, (160), 76 states have return successors, (160), 160 states have call predecessors, (160), 160 states have call successors, (160) [2023-11-29 02:15:30,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1561 states to 1561 states and 2150 transitions. [2023-11-29 02:15:30,199 INFO L78 Accepts]: Start accepts. Automaton has 1561 states and 2150 transitions. Word has length 269 [2023-11-29 02:15:30,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:15:30,200 INFO L495 AbstractCegarLoop]: Abstraction has 1561 states and 2150 transitions. [2023-11-29 02:15:30,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 40 states have (on average 4.1) internal successors, (164), 38 states have internal predecessors, (164), 11 states have call successors, (80), 7 states have call predecessors, (80), 13 states have return successors, (80), 11 states have call predecessors, (80), 11 states have call successors, (80) [2023-11-29 02:15:30,200 INFO L276 IsEmpty]: Start isEmpty. Operand 1561 states and 2150 transitions. [2023-11-29 02:15:30,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2023-11-29 02:15:30,202 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:15:30,202 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:15:30,208 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2023-11-29 02:15:30,403 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-11-29 02:15:30,403 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:15:30,403 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:15:30,404 INFO L85 PathProgramCache]: Analyzing trace with hash 444761738, now seen corresponding path program 1 times [2023-11-29 02:15:30,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:15:30,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910646784] [2023-11-29 02:15:30,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:15:30,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:15:30,427 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:15:30,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1163791114] [2023-11-29 02:15:30,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:15:30,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:15:30,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:15:30,428 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:15:30,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-11-29 02:15:30,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:15:30,769 INFO L262 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-29 02:15:30,772 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:15:31,233 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1985 proven. 87 refuted. 0 times theorem prover too weak. 1048 trivial. 0 not checked. [2023-11-29 02:15:31,233 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:15:31,355 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2023-11-29 02:15:31,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:15:31,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910646784] [2023-11-29 02:15:31,355 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 02:15:31,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1163791114] [2023-11-29 02:15:31,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1163791114] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 02:15:31,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 02:15:31,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [14] total 17 [2023-11-29 02:15:31,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808028739] [2023-11-29 02:15:31,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:15:31,357 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 02:15:31,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:15:31,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 02:15:31,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2023-11-29 02:15:31,358 INFO L87 Difference]: Start difference. First operand 1561 states and 2150 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-11-29 02:15:31,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:15:31,899 INFO L93 Difference]: Finished difference Result 3761 states and 5259 transitions. [2023-11-29 02:15:31,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 02:15:31,900 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 270 [2023-11-29 02:15:31,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:15:31,903 INFO L225 Difference]: With dead ends: 3761 [2023-11-29 02:15:31,903 INFO L226 Difference]: Without dead ends: 2201 [2023-11-29 02:15:31,904 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 538 GetRequests, 523 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2023-11-29 02:15:31,905 INFO L413 NwaCegarLoop]: 226 mSDtfsCounter, 231 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 231 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 02:15:31,905 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [231 Valid, 523 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 02:15:31,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2201 states. [2023-11-29 02:15:32,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2201 to 1601. [2023-11-29 02:15:32,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1601 states, 1364 states have (on average 1.3709677419354838) internal successors, (1870), 1364 states have internal predecessors, (1870), 160 states have call successors, (160), 76 states have call predecessors, (160), 76 states have return successors, (160), 160 states have call predecessors, (160), 160 states have call successors, (160) [2023-11-29 02:15:32,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1601 states to 1601 states and 2190 transitions. [2023-11-29 02:15:32,230 INFO L78 Accepts]: Start accepts. Automaton has 1601 states and 2190 transitions. Word has length 270 [2023-11-29 02:15:32,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:15:32,230 INFO L495 AbstractCegarLoop]: Abstraction has 1601 states and 2190 transitions. [2023-11-29 02:15:32,230 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-11-29 02:15:32,230 INFO L276 IsEmpty]: Start isEmpty. Operand 1601 states and 2190 transitions. [2023-11-29 02:15:32,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2023-11-29 02:15:32,232 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:15:32,232 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:15:32,237 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2023-11-29 02:15:32,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-11-29 02:15:32,433 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:15:32,433 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:15:32,433 INFO L85 PathProgramCache]: Analyzing trace with hash -1360676596, now seen corresponding path program 1 times [2023-11-29 02:15:32,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:15:32,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665303031] [2023-11-29 02:15:32,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:15:32,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:15:32,455 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:15:32,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [825104866] [2023-11-29 02:15:32,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:15:32,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:15:32,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:15:32,456 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:15:32,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-11-29 02:15:32,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:15:32,667 INFO L262 TraceCheckSpWp]: Trace formula consists of 604 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-29 02:15:32,671 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:15:58,352 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1456 proven. 57 refuted. 0 times theorem prover too weak. 1607 trivial. 0 not checked. [2023-11-29 02:15:58,353 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:16:00,123 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 228 proven. 3 refuted. 0 times theorem prover too weak. 2889 trivial. 0 not checked. [2023-11-29 02:16:00,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:16:00,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665303031] [2023-11-29 02:16:00,123 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 02:16:00,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [825104866] [2023-11-29 02:16:00,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [825104866] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:16:00,124 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 02:16:00,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 9] total 25 [2023-11-29 02:16:00,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174973919] [2023-11-29 02:16:00,124 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 02:16:00,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-11-29 02:16:00,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:16:00,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-11-29 02:16:00,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=451, Unknown=0, NotChecked=0, Total=600 [2023-11-29 02:16:00,125 INFO L87 Difference]: Start difference. First operand 1601 states and 2190 transitions. Second operand has 25 states, 24 states have (on average 5.041666666666667) internal successors, (121), 22 states have internal predecessors, (121), 6 states have call successors, (51), 5 states have call predecessors, (51), 10 states have return successors, (52), 8 states have call predecessors, (52), 6 states have call successors, (52) [2023-11-29 02:16:14,424 WARN L293 SmtUtils]: Spent 5.60s on a formula simplification that was a NOOP. DAG size: 98 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 02:16:16,975 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 02:16:20,978 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 02:16:22,433 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 02:16:25,547 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.02s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 02:16:30,522 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 02:16:30,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:16:30,962 INFO L93 Difference]: Finished difference Result 3691 states and 5072 transitions. [2023-11-29 02:16:30,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-11-29 02:16:30,963 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 5.041666666666667) internal successors, (121), 22 states have internal predecessors, (121), 6 states have call successors, (51), 5 states have call predecessors, (51), 10 states have return successors, (52), 8 states have call predecessors, (52), 6 states have call successors, (52) Word has length 270 [2023-11-29 02:16:30,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:16:30,967 INFO L225 Difference]: With dead ends: 3691 [2023-11-29 02:16:30,967 INFO L226 Difference]: Without dead ends: 2091 [2023-11-29 02:16:30,970 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 569 GetRequests, 517 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 729 ImplicationChecksByTransitivity, 14.6s TimeCoverageRelationStatistics Valid=739, Invalid=2123, Unknown=0, NotChecked=0, Total=2862 [2023-11-29 02:16:30,971 INFO L413 NwaCegarLoop]: 157 mSDtfsCounter, 483 mSDsluCounter, 582 mSDsCounter, 0 mSdLazyCounter, 732 mSolverCounterSat, 173 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 483 SdHoareTripleChecker+Valid, 739 SdHoareTripleChecker+Invalid, 907 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 173 IncrementalHoareTripleChecker+Valid, 732 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.3s IncrementalHoareTripleChecker+Time [2023-11-29 02:16:30,971 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [483 Valid, 739 Invalid, 907 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [173 Valid, 732 Invalid, 2 Unknown, 0 Unchecked, 17.3s Time] [2023-11-29 02:16:30,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2091 states. [2023-11-29 02:16:31,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2091 to 1593. [2023-11-29 02:16:31,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1593 states, 1350 states have (on average 1.36) internal successors, (1836), 1350 states have internal predecessors, (1836), 160 states have call successors, (160), 82 states have call predecessors, (160), 82 states have return successors, (160), 160 states have call predecessors, (160), 160 states have call successors, (160) [2023-11-29 02:16:31,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1593 states to 1593 states and 2156 transitions. [2023-11-29 02:16:31,377 INFO L78 Accepts]: Start accepts. Automaton has 1593 states and 2156 transitions. Word has length 270 [2023-11-29 02:16:31,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:16:31,377 INFO L495 AbstractCegarLoop]: Abstraction has 1593 states and 2156 transitions. [2023-11-29 02:16:31,377 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 5.041666666666667) internal successors, (121), 22 states have internal predecessors, (121), 6 states have call successors, (51), 5 states have call predecessors, (51), 10 states have return successors, (52), 8 states have call predecessors, (52), 6 states have call successors, (52) [2023-11-29 02:16:31,377 INFO L276 IsEmpty]: Start isEmpty. Operand 1593 states and 2156 transitions. [2023-11-29 02:16:31,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2023-11-29 02:16:31,379 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:16:31,379 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:16:31,385 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2023-11-29 02:16:31,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:16:31,580 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:16:31,580 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:16:31,580 INFO L85 PathProgramCache]: Analyzing trace with hash -417974259, now seen corresponding path program 1 times [2023-11-29 02:16:31,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:16:31,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937966506] [2023-11-29 02:16:31,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:16:31,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:16:31,602 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:16:31,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [669422044] [2023-11-29 02:16:31,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:16:31,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:16:31,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:16:31,603 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:16:31,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2023-11-29 02:16:33,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:16:33,606 INFO L262 TraceCheckSpWp]: Trace formula consists of 601 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-29 02:16:33,610 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:16:34,818 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 2173 proven. 126 refuted. 0 times theorem prover too weak. 821 trivial. 0 not checked. [2023-11-29 02:16:34,818 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:16:40,443 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse1 (mod c_~var_1_19~0 65536))) (let ((.cse3 (+ 2 .cse1)) (.cse0 (mod c_~var_1_29~0 256))) (and (forall ((v_z_222 Int)) (or (< v_z_222 0) (< (div c_~last_1_var_1_40~0 (+ .cse0 (* (- 1) v_z_222))) (+ 3 .cse1)) (< 126 v_z_222))) (or (forall ((v_z_222 Int)) (let ((.cse2 (+ .cse0 (* (- 1) v_z_222)))) (or (= (mod c_~last_1_var_1_40~0 .cse2) 0) (< 126 v_z_222) (< (div c_~last_1_var_1_40~0 .cse2) (+ .cse1 1)) (< .cse0 v_z_222)))) (< 0 (+ c_~last_1_var_1_40~0 1))) (or (forall ((v_z_222 Int)) (or (< (div c_~last_1_var_1_40~0 (+ .cse0 (* (- 1) v_z_222))) .cse3) (< v_z_222 0) (< 126 v_z_222))) (< c_~last_1_var_1_40~0 0)) (forall ((v_z_222 Int)) (let ((.cse4 (+ .cse0 (* (- 1) v_z_222)))) (or (< (div c_~last_1_var_1_40~0 .cse4) .cse3) (< v_z_222 0) (< 126 v_z_222) (not (= (mod c_~last_1_var_1_40~0 .cse4) 0)))))))) is different from false [2023-11-29 02:16:40,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:16:40,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937966506] [2023-11-29 02:16:40,454 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 02:16:40,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [669422044] [2023-11-29 02:16:40,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [669422044] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 02:16:40,454 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-29 02:16:40,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2023-11-29 02:16:40,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866111334] [2023-11-29 02:16:40,454 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-29 02:16:40,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-29 02:16:40,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:16:40,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-29 02:16:40,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=184, Unknown=1, NotChecked=28, Total=272 [2023-11-29 02:16:40,455 INFO L87 Difference]: Start difference. First operand 1593 states and 2156 transitions. Second operand has 14 states, 14 states have (on average 6.5) internal successors, (91), 13 states have internal predecessors, (91), 4 states have call successors, (40), 4 states have call predecessors, (40), 7 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) [2023-11-29 02:16:42,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:16:42,706 INFO L93 Difference]: Finished difference Result 3991 states and 5422 transitions. [2023-11-29 02:16:42,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-29 02:16:42,706 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 6.5) internal successors, (91), 13 states have internal predecessors, (91), 4 states have call successors, (40), 4 states have call predecessors, (40), 7 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) Word has length 270 [2023-11-29 02:16:42,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:16:42,710 INFO L225 Difference]: With dead ends: 3991 [2023-11-29 02:16:42,710 INFO L226 Difference]: Without dead ends: 2399 [2023-11-29 02:16:42,712 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 378 GetRequests, 347 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=262, Invalid=733, Unknown=1, NotChecked=60, Total=1056 [2023-11-29 02:16:42,712 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 437 mSDsluCounter, 1011 mSDsCounter, 0 mSdLazyCounter, 616 mSolverCounterSat, 173 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 437 SdHoareTripleChecker+Valid, 1154 SdHoareTripleChecker+Invalid, 789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 173 IncrementalHoareTripleChecker+Valid, 616 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-29 02:16:42,712 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [437 Valid, 1154 Invalid, 789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [173 Valid, 616 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-29 02:16:42,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2399 states. [2023-11-29 02:16:43,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2399 to 1753. [2023-11-29 02:16:43,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1753 states, 1449 states have (on average 1.339544513457557) internal successors, (1941), 1449 states have internal predecessors, (1941), 200 states have call successors, (200), 103 states have call predecessors, (200), 103 states have return successors, (200), 200 states have call predecessors, (200), 200 states have call successors, (200) [2023-11-29 02:16:43,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1753 states to 1753 states and 2341 transitions. [2023-11-29 02:16:43,176 INFO L78 Accepts]: Start accepts. Automaton has 1753 states and 2341 transitions. Word has length 270 [2023-11-29 02:16:43,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:16:43,176 INFO L495 AbstractCegarLoop]: Abstraction has 1753 states and 2341 transitions. [2023-11-29 02:16:43,176 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 6.5) internal successors, (91), 13 states have internal predecessors, (91), 4 states have call successors, (40), 4 states have call predecessors, (40), 7 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) [2023-11-29 02:16:43,176 INFO L276 IsEmpty]: Start isEmpty. Operand 1753 states and 2341 transitions. [2023-11-29 02:16:43,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2023-11-29 02:16:43,178 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:16:43,178 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:16:43,184 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2023-11-29 02:16:43,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:16:43,379 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:16:43,379 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:16:43,379 INFO L85 PathProgramCache]: Analyzing trace with hash -169827765, now seen corresponding path program 1 times [2023-11-29 02:16:43,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:16:43,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552278439] [2023-11-29 02:16:43,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:16:43,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:16:43,402 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:16:43,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [49540890] [2023-11-29 02:16:43,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:16:43,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:16:43,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:16:43,403 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:16:43,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2023-11-29 02:16:43,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 02:16:43,687 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 02:16:43,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 02:16:43,983 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 02:16:43,983 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 02:16:43,984 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 02:16:43,992 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2023-11-29 02:16:44,185 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:16:44,188 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:16:44,191 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 02:16:44,333 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-29 02:16:44,335 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated [2023-11-29 02:16:44,335 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet6 could not be translated [2023-11-29 02:16:44,336 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet6 could not be translated [2023-11-29 02:16:44,336 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet7 could not be translated [2023-11-29 02:16:44,336 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet8 could not be translated [2023-11-29 02:16:44,337 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated [2023-11-29 02:16:44,337 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet8 could not be translated [2023-11-29 02:16:44,338 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet10 could not be translated [2023-11-29 02:16:44,339 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short34 could not be translated [2023-11-29 02:16:44,339 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short34 could not be translated [2023-11-29 02:16:44,340 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short37 could not be translated [2023-11-29 02:16:44,340 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short37 could not be translated [2023-11-29 02:16:44,340 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short34 could not be translated [2023-11-29 02:16:44,340 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short39 could not be translated [2023-11-29 02:16:44,341 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short37 could not be translated [2023-11-29 02:16:44,341 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short41 could not be translated [2023-11-29 02:16:44,341 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short34 could not be translated [2023-11-29 02:16:44,341 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short39 could not be translated [2023-11-29 02:16:44,341 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short37 could not be translated [2023-11-29 02:16:44,341 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short41 could not be translated [2023-11-29 02:16:44,342 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short39 could not be translated [2023-11-29 02:16:44,342 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short44 could not be translated [2023-11-29 02:16:44,342 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short34 could not be translated [2023-11-29 02:16:44,373 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 02:16:44 BoogieIcfgContainer [2023-11-29 02:16:44,374 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 02:16:44,374 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 02:16:44,374 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 02:16:44,374 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 02:16:44,375 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:14:05" (3/4) ... [2023-11-29 02:16:44,377 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 02:16:44,378 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 02:16:44,378 INFO L158 Benchmark]: Toolchain (without parser) took 160420.81ms. Allocated memory was 146.8MB in the beginning and 564.1MB in the end (delta: 417.3MB). Free memory was 108.0MB in the beginning and 378.4MB in the end (delta: -270.4MB). Peak memory consumption was 148.2MB. Max. memory is 16.1GB. [2023-11-29 02:16:44,378 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 100.7MB. Free memory is still 51.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:16:44,379 INFO L158 Benchmark]: CACSL2BoogieTranslator took 361.07ms. Allocated memory is still 146.8MB. Free memory was 108.0MB in the beginning and 90.5MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-29 02:16:44,379 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.97ms. Allocated memory is still 146.8MB. Free memory was 90.5MB in the beginning and 83.9MB in the end (delta: 6.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 02:16:44,379 INFO L158 Benchmark]: Boogie Preprocessor took 76.35ms. Allocated memory is still 146.8MB. Free memory was 83.9MB in the beginning and 75.2MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-29 02:16:44,380 INFO L158 Benchmark]: RCFGBuilder took 726.27ms. Allocated memory is still 146.8MB. Free memory was 75.2MB in the beginning and 74.7MB in the end (delta: 439.0kB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2023-11-29 02:16:44,380 INFO L158 Benchmark]: TraceAbstraction took 159177.71ms. Allocated memory was 146.8MB in the beginning and 564.1MB in the end (delta: 417.3MB). Free memory was 74.1MB in the beginning and 378.4MB in the end (delta: -304.3MB). Peak memory consumption was 113.7MB. Max. memory is 16.1GB. [2023-11-29 02:16:44,381 INFO L158 Benchmark]: Witness Printer took 3.46ms. Allocated memory is still 564.1MB. Free memory is still 378.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:16:44,382 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 100.7MB. Free memory is still 51.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 361.07ms. Allocated memory is still 146.8MB. Free memory was 108.0MB in the beginning and 90.5MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.97ms. Allocated memory is still 146.8MB. Free memory was 90.5MB in the beginning and 83.9MB in the end (delta: 6.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.35ms. Allocated memory is still 146.8MB. Free memory was 83.9MB in the beginning and 75.2MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 726.27ms. Allocated memory is still 146.8MB. Free memory was 75.2MB in the beginning and 74.7MB in the end (delta: 439.0kB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. * TraceAbstraction took 159177.71ms. Allocated memory was 146.8MB in the beginning and 564.1MB in the end (delta: 417.3MB). Free memory was 74.1MB in the beginning and 378.4MB in the end (delta: -304.3MB). Peak memory consumption was 113.7MB. Max. memory is 16.1GB. * Witness Printer took 3.46ms. Allocated memory is still 564.1MB. Free memory is still 378.4MB. 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~nondet6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet7 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet8 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet8 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet10 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short34 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short34 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short37 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short37 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short34 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short39 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short37 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short34 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short39 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short37 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short39 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short34 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 someBinaryFLOATComparisonOperation at line 216, overapproximation of shiftLeft at line 94, overapproximation of bitwiseOr at line 133, overapproximation of someBinaryArithmeticFLOAToperation at line 140. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 10.875; [L23] float var_1_4 = 64.75; [L24] float var_1_5 = 4.75; [L25] float var_1_6 = 63.95; [L26] unsigned long int var_1_7 = 32; [L27] unsigned long int var_1_8 = 4162005566; [L28] float var_1_11 = 0.5; [L29] unsigned char var_1_12 = 1; [L30] unsigned char var_1_13 = 0; [L31] unsigned char var_1_14 = 0; [L32] unsigned char var_1_15 = 0; [L33] float var_1_16 = 32.375; [L34] unsigned short int var_1_17 = 32; [L35] unsigned short int var_1_18 = 18423; [L36] unsigned short int var_1_19 = 19325; [L37] unsigned short int var_1_20 = 10000; [L38] unsigned short int var_1_21 = 5; [L39] unsigned long int var_1_22 = 128; [L40] unsigned short int var_1_23 = 1; [L41] signed char var_1_24 = 5; [L42] signed char var_1_25 = 32; [L43] signed char var_1_26 = -10; [L44] signed long int var_1_27 = 1081977464; [L45] unsigned short int var_1_28 = 1; [L46] unsigned char var_1_29 = 128; [L47] unsigned char var_1_30 = 100; [L48] unsigned short int var_1_31 = 37977; [L49] unsigned short int var_1_32 = 1; [L50] float var_1_34 = 49.4; [L51] float var_1_35 = 2.5; [L52] float var_1_36 = 7.7; [L53] float var_1_37 = 4.8; [L54] signed short int var_1_38 = -10; [L55] signed short int var_1_39 = 10000; [L56] signed long int var_1_40 = -2; [L57] signed short int var_1_42 = -1; [L58] float last_1_var_1_11 = 0.5; [L59] unsigned short int last_1_var_1_23 = 1; [L60] unsigned short int last_1_var_1_28 = 1; [L61] signed short int last_1_var_1_38 = -10; [L62] signed long int last_1_var_1_40 = -2; [L63] signed short int last_1_var_1_42 = -1; [L220] isInitial = 1 [L221] FCALL initially() [L222] COND TRUE 1 [L223] CALL updateLastVariables() [L208] last_1_var_1_11 = var_1_11 [L209] last_1_var_1_23 = var_1_23 [L210] last_1_var_1_28 = var_1_28 [L211] last_1_var_1_38 = var_1_38 [L212] last_1_var_1_40 = var_1_40 [L213] last_1_var_1_42 = var_1_42 [L223] RET updateLastVariables() [L224] CALL updateVariables() [L144] var_1_4 = __VERIFIER_nondet_float() [L145] CALL assume_abort_if_not((var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=18423, var_1_19=19325, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_5=19/4, var_1_6=1279/20, var_1_7=32, var_1_8=4162005566] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=18423, var_1_19=19325, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_5=19/4, var_1_6=1279/20, var_1_7=32, var_1_8=4162005566] [L145] RET assume_abort_if_not((var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=18423, var_1_19=19325, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_5=19/4, var_1_6=1279/20, var_1_7=32, var_1_8=4162005566] [L146] var_1_5 = __VERIFIER_nondet_float() [L147] CALL assume_abort_if_not((var_1_5 >= -461168.6018427382800e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 4611686.018427382800e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=18423, var_1_19=19325, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_6=1279/20, var_1_7=32, var_1_8=4162005566] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=18423, var_1_19=19325, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_6=1279/20, var_1_7=32, var_1_8=4162005566] [L147] RET assume_abort_if_not((var_1_5 >= -461168.6018427382800e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 4611686.018427382800e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=18423, var_1_19=19325, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_6=1279/20, var_1_7=32, var_1_8=4162005566] [L148] var_1_6 = __VERIFIER_nondet_float() [L149] CALL assume_abort_if_not((var_1_6 >= -461168.6018427382800e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 4611686.018427382800e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=18423, var_1_19=19325, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=4162005566] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=18423, var_1_19=19325, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=4162005566] [L149] RET assume_abort_if_not((var_1_6 >= -461168.6018427382800e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 4611686.018427382800e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=18423, var_1_19=19325, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=4162005566] [L150] var_1_8 = __VERIFIER_nondet_ulong() [L151] CALL assume_abort_if_not(var_1_8 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=18423, var_1_19=19325, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=18423, var_1_19=19325, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L151] RET assume_abort_if_not(var_1_8 >= 2147483647) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=18423, var_1_19=19325, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L152] CALL assume_abort_if_not(var_1_8 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=18423, var_1_19=19325, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=18423, var_1_19=19325, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L152] RET assume_abort_if_not(var_1_8 <= 4294967294) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=18423, var_1_19=19325, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L153] var_1_12 = __VERIFIER_nondet_uchar() [L154] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=18423, var_1_19=19325, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=18423, var_1_19=19325, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L154] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=18423, var_1_19=19325, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L155] CALL assume_abort_if_not(var_1_12 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=18423, var_1_19=19325, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=18423, var_1_19=19325, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L155] RET assume_abort_if_not(var_1_12 <= 1) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=18423, var_1_19=19325, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L156] var_1_14 = __VERIFIER_nondet_uchar() [L157] CALL assume_abort_if_not(var_1_14 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=18423, var_1_19=19325, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=18423, var_1_19=19325, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L157] RET assume_abort_if_not(var_1_14 >= 1) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=18423, var_1_19=19325, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L158] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=18423, var_1_19=19325, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=18423, var_1_19=19325, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L158] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=18423, var_1_19=19325, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L159] var_1_15 = __VERIFIER_nondet_uchar() [L160] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=259/8, var_1_17=32, var_1_18=18423, var_1_19=19325, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=259/8, var_1_17=32, var_1_18=18423, var_1_19=19325, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L160] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=259/8, var_1_17=32, var_1_18=18423, var_1_19=19325, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L161] CALL assume_abort_if_not(var_1_15 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=18423, var_1_19=19325, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=18423, var_1_19=19325, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L161] RET assume_abort_if_not(var_1_15 <= 0) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=18423, var_1_19=19325, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L162] var_1_18 = __VERIFIER_nondet_ushort() [L163] CALL assume_abort_if_not(var_1_18 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=19325, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=19325, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L163] RET assume_abort_if_not(var_1_18 >= 16383) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=19325, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L164] CALL assume_abort_if_not(var_1_18 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=19325, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=19325, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L164] RET assume_abort_if_not(var_1_18 <= 32767) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=19325, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L165] var_1_19 = __VERIFIER_nondet_ushort() [L166] CALL assume_abort_if_not(var_1_19 >= 16384) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L166] RET assume_abort_if_not(var_1_19 >= 16384) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L167] CALL assume_abort_if_not(var_1_19 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L167] RET assume_abort_if_not(var_1_19 <= 32767) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L168] var_1_20 = __VERIFIER_nondet_ushort() [L169] CALL assume_abort_if_not(var_1_20 >= 8192) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L169] RET assume_abort_if_not(var_1_20 >= 8192) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L170] CALL assume_abort_if_not(var_1_20 <= 16384) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L170] RET assume_abort_if_not(var_1_20 <= 16384) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L171] var_1_21 = __VERIFIER_nondet_ushort() [L172] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L172] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L173] CALL assume_abort_if_not(var_1_21 <= 8192) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L173] RET assume_abort_if_not(var_1_21 <= 8192) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L174] var_1_24 = __VERIFIER_nondet_char() [L175] CALL assume_abort_if_not(var_1_24 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L175] RET assume_abort_if_not(var_1_24 >= -1) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L176] CALL assume_abort_if_not(var_1_24 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L176] RET assume_abort_if_not(var_1_24 <= 127) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L177] var_1_25 = __VERIFIER_nondet_char() [L178] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L178] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L179] CALL assume_abort_if_not(var_1_25 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L179] RET assume_abort_if_not(var_1_25 <= 127) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L180] var_1_26 = __VERIFIER_nondet_char() [L181] CALL assume_abort_if_not(var_1_26 >= -128) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L181] RET assume_abort_if_not(var_1_26 >= -128) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L182] CALL assume_abort_if_not(var_1_26 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L182] RET assume_abort_if_not(var_1_26 <= 127) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L183] CALL assume_abort_if_not(var_1_26 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L183] RET assume_abort_if_not(var_1_26 != 0) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L184] var_1_27 = __VERIFIER_nondet_long() [L185] CALL assume_abort_if_not(var_1_27 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=1073741823, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=1073741823, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L185] RET assume_abort_if_not(var_1_27 >= 1073741823) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=1073741823, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L186] CALL assume_abort_if_not(var_1_27 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=1073741823, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=1073741823, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L186] RET assume_abort_if_not(var_1_27 <= 2147483647) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=1073741823, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L187] var_1_29 = __VERIFIER_nondet_uchar() [L188] CALL assume_abort_if_not(var_1_29 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=1073741823, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=1073741823, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L188] RET assume_abort_if_not(var_1_29 >= 127) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=1073741823, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L189] CALL assume_abort_if_not(var_1_29 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=1073741823, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=1073741823, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L189] RET assume_abort_if_not(var_1_29 <= 255) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=1073741823, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L190] var_1_30 = __VERIFIER_nondet_uchar() [L191] CALL assume_abort_if_not(var_1_30 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=1073741823, var_1_28=1, var_1_29=128, var_1_30=126, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=1073741823, var_1_28=1, var_1_29=128, var_1_30=126, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L191] RET assume_abort_if_not(var_1_30 >= 1) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=1073741823, var_1_28=1, var_1_29=128, var_1_30=126, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L192] CALL assume_abort_if_not(var_1_30 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=1073741823, var_1_28=1, var_1_29=128, var_1_30=126, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=1073741823, var_1_28=1, var_1_29=128, var_1_30=126, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L192] RET assume_abort_if_not(var_1_30 <= 126) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=1073741823, var_1_28=1, var_1_29=128, var_1_30=126, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L193] CALL assume_abort_if_not(var_1_30 != 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=1073741823, var_1_28=1, var_1_29=128, var_1_30=126, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=1073741823, var_1_28=1, var_1_29=128, var_1_30=126, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L193] RET assume_abort_if_not(var_1_30 != 127) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=1073741823, var_1_28=1, var_1_29=128, var_1_30=126, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L194] var_1_31 = __VERIFIER_nondet_ushort() [L195] CALL assume_abort_if_not(var_1_31 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=1073741823, var_1_28=1, var_1_29=128, var_1_30=126, var_1_31=65534, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=1073741823, var_1_28=1, var_1_29=128, var_1_30=126, var_1_31=65534, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L195] RET assume_abort_if_not(var_1_31 >= 32767) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=1073741823, var_1_28=1, var_1_29=128, var_1_30=126, var_1_31=65534, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L196] CALL assume_abort_if_not(var_1_31 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=1073741823, var_1_28=1, var_1_29=128, var_1_30=126, var_1_31=65534, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=1073741823, var_1_28=1, var_1_29=128, var_1_30=126, var_1_31=65534, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L196] RET assume_abort_if_not(var_1_31 <= 65534) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=1073741823, var_1_28=1, var_1_29=128, var_1_30=126, var_1_31=65534, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L197] var_1_35 = __VERIFIER_nondet_float() [L198] CALL assume_abort_if_not((var_1_35 >= 0.0F && var_1_35 <= -1.0e-20F) || (var_1_35 <= 4611686.018427382800e+12F && var_1_35 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=1073741823, var_1_28=1, var_1_29=128, var_1_30=126, var_1_31=65534, var_1_32=1, var_1_34=247/5, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=1073741823, var_1_28=1, var_1_29=128, var_1_30=126, var_1_31=65534, var_1_32=1, var_1_34=247/5, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L198] RET assume_abort_if_not((var_1_35 >= 0.0F && var_1_35 <= -1.0e-20F) || (var_1_35 <= 4611686.018427382800e+12F && var_1_35 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=1073741823, var_1_28=1, var_1_29=128, var_1_30=126, var_1_31=65534, var_1_32=1, var_1_34=247/5, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L199] var_1_36 = __VERIFIER_nondet_float() [L200] CALL assume_abort_if_not((var_1_36 >= 0.0F && var_1_36 <= -1.0e-20F) || (var_1_36 <= 4611686.018427382800e+12F && var_1_36 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=1073741823, var_1_28=1, var_1_29=128, var_1_30=126, var_1_31=65534, var_1_32=1, var_1_34=247/5, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=1073741823, var_1_28=1, var_1_29=128, var_1_30=126, var_1_31=65534, var_1_32=1, var_1_34=247/5, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L200] RET assume_abort_if_not((var_1_36 >= 0.0F && var_1_36 <= -1.0e-20F) || (var_1_36 <= 4611686.018427382800e+12F && var_1_36 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=1073741823, var_1_28=1, var_1_29=128, var_1_30=126, var_1_31=65534, var_1_32=1, var_1_34=247/5, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L201] var_1_37 = __VERIFIER_nondet_float() [L202] CALL assume_abort_if_not((var_1_37 >= 0.0F && var_1_37 <= -1.0e-20F) || (var_1_37 <= 4611686.018427382800e+12F && var_1_37 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=1073741823, var_1_28=1, var_1_29=128, var_1_30=126, var_1_31=65534, var_1_32=1, var_1_34=247/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=1073741823, var_1_28=1, var_1_29=128, var_1_30=126, var_1_31=65534, var_1_32=1, var_1_34=247/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L202] RET assume_abort_if_not((var_1_37 >= 0.0F && var_1_37 <= -1.0e-20F) || (var_1_37 <= 4611686.018427382800e+12F && var_1_37 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=1073741823, var_1_28=1, var_1_29=128, var_1_30=126, var_1_31=65534, var_1_32=1, var_1_34=247/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L203] var_1_39 = __VERIFIER_nondet_short() [L204] CALL assume_abort_if_not(var_1_39 >= 8191) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=1073741823, var_1_28=1, var_1_29=128, var_1_30=126, var_1_31=65534, var_1_32=1, var_1_34=247/5, var_1_38=-10, var_1_39=16383, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=1073741823, var_1_28=1, var_1_29=128, var_1_30=126, var_1_31=65534, var_1_32=1, var_1_34=247/5, var_1_38=-10, var_1_39=16383, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L204] RET assume_abort_if_not(var_1_39 >= 8191) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=1073741823, var_1_28=1, var_1_29=128, var_1_30=126, var_1_31=65534, var_1_32=1, var_1_34=247/5, var_1_38=-10, var_1_39=16383, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L205] CALL assume_abort_if_not(var_1_39 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=1073741823, var_1_28=1, var_1_29=128, var_1_30=126, var_1_31=65534, var_1_32=1, var_1_34=247/5, var_1_38=-10, var_1_39=16383, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=1073741823, var_1_28=1, var_1_29=128, var_1_30=126, var_1_31=65534, var_1_32=1, var_1_34=247/5, var_1_38=-10, var_1_39=16383, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L205] RET assume_abort_if_not(var_1_39 <= 16383) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=1073741823, var_1_28=1, var_1_29=128, var_1_30=126, var_1_31=65534, var_1_32=1, var_1_34=247/5, var_1_38=-10, var_1_39=16383, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L224] RET updateVariables() [L225] CALL step() [L67] COND TRUE ((((last_1_var_1_42) < (var_1_24)) ? (last_1_var_1_42) : (var_1_24))) != (last_1_var_1_38 + ((((last_1_var_1_28) < (last_1_var_1_23)) ? (last_1_var_1_28) : (last_1_var_1_23)))) [L68] var_1_32 = var_1_30 VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=1073741823, var_1_28=1, var_1_29=128, var_1_30=126, var_1_31=65534, var_1_32=126, var_1_34=247/5, var_1_38=-10, var_1_39=16383, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L76] unsigned short int stepLocal_5 = var_1_19; VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, stepLocal_5=16384, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=1073741823, var_1_28=1, var_1_29=128, var_1_30=126, var_1_31=65534, var_1_32=126, var_1_34=247/5, var_1_38=-10, var_1_39=16383, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L77] COND TRUE stepLocal_5 > var_1_32 [L78] var_1_38 = (var_1_29 + (((((var_1_21) < (var_1_30)) ? (var_1_21) : (var_1_30))) - (var_1_39 - 16))) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, stepLocal_5=16384, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=1073741823, var_1_28=1, var_1_29=128, var_1_30=126, var_1_31=65534, var_1_32=126, var_1_34=247/5, var_1_38=-16238, var_1_39=16383, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L80] EXPR var_1_19 << var_1_20 VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, stepLocal_5=16384, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=1073741823, var_1_28=1, var_1_29=128, var_1_30=126, var_1_31=65534, var_1_32=126, var_1_34=247/5, var_1_38=-16238, var_1_39=16383, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L80] COND FALSE !((last_1_var_1_40 / (var_1_29 - var_1_30)) > (var_1_19 << var_1_20)) [L83] var_1_28 = 50 VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, stepLocal_5=16384, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=1073741823, var_1_28=50, var_1_29=128, var_1_30=126, var_1_31=65534, var_1_32=126, var_1_34=247/5, var_1_38=-16238, var_1_39=16383, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L85] signed long int stepLocal_3 = -1; VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, stepLocal_3=-1, stepLocal_5=16384, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=1073741823, var_1_28=50, var_1_29=128, var_1_30=126, var_1_31=65534, var_1_32=126, var_1_34=247/5, var_1_38=-16238, var_1_39=16383, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L86] COND FALSE !(stepLocal_3 > ((((var_1_28) < 0 ) ? -(var_1_28) : (var_1_28)))) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, stepLocal_3=-1, stepLocal_5=16384, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=1073741823, var_1_28=50, var_1_29=128, var_1_30=126, var_1_31=65534, var_1_32=126, var_1_34=247/5, var_1_38=-16238, var_1_39=16383, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L89] COND TRUE var_1_5 < var_1_4 [L90] var_1_7 = (((((var_1_8 - var_1_28)) < (var_1_17)) ? ((var_1_8 - var_1_28)) : (var_1_17))) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, stepLocal_3=-1, stepLocal_5=16384, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=1073741823, var_1_28=50, var_1_29=128, var_1_30=126, var_1_31=65534, var_1_32=126, var_1_34=247/5, var_1_38=-16238, var_1_39=16383, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L94] EXPR var_1_18 << var_1_32 VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, stepLocal_3=-1, stepLocal_5=16384, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=1073741823, var_1_28=50, var_1_29=128, var_1_30=126, var_1_31=65534, var_1_32=126, var_1_34=247/5, var_1_38=-16238, var_1_39=16383, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L94] COND FALSE !((var_1_18 << var_1_32) <= (var_1_19 + var_1_20)) [L101] var_1_22 = var_1_18 VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, stepLocal_3=-1, stepLocal_5=16384, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=16383, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=1073741823, var_1_28=50, var_1_29=128, var_1_30=126, var_1_31=65534, var_1_32=126, var_1_34=247/5, var_1_38=-16238, var_1_39=16383, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L103] signed long int stepLocal_4 = (var_1_24 - var_1_25) / var_1_26; VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, stepLocal_3=-1, stepLocal_4=0, stepLocal_5=16384, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=16383, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=1073741823, var_1_28=50, var_1_29=128, var_1_30=126, var_1_31=65534, var_1_32=126, var_1_34=247/5, var_1_38=-16238, var_1_39=16383, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L104] COND FALSE !(stepLocal_4 == (var_1_19 - (var_1_27 - var_1_18))) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, stepLocal_3=-1, stepLocal_4=0, stepLocal_5=16384, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=16383, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=1073741823, var_1_28=50, var_1_29=128, var_1_30=126, var_1_31=65534, var_1_32=126, var_1_34=247/5, var_1_38=-16238, var_1_39=16383, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L107] EXPR var_1_8 ^ var_1_38 VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, stepLocal_3=-1, stepLocal_4=0, stepLocal_5=16384, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=16383, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=1073741823, var_1_28=50, var_1_29=128, var_1_30=126, var_1_31=65534, var_1_32=126, var_1_34=247/5, var_1_38=-16238, var_1_39=16383, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L107] EXPR var_1_29 & (var_1_8 ^ var_1_38) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, stepLocal_3=-1, stepLocal_4=0, stepLocal_5=16384, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=16383, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=1073741823, var_1_28=50, var_1_29=128, var_1_30=126, var_1_31=65534, var_1_32=126, var_1_34=247/5, var_1_38=-16238, var_1_39=16383, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L107] COND TRUE (var_1_29 & (var_1_8 ^ var_1_38)) < var_1_17 [L108] var_1_34 = ((255.5f - var_1_35) + (((((var_1_36 - var_1_37)) < (var_1_5)) ? ((var_1_36 - var_1_37)) : (var_1_5)))) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, stepLocal_3=-1, stepLocal_4=0, stepLocal_5=16384, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=16383, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=1073741823, var_1_28=50, var_1_29=128, var_1_30=126, var_1_31=65534, var_1_32=126, var_1_38=-16238, var_1_39=16383, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L110] var_1_42 = var_1_25 VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, stepLocal_3=-1, stepLocal_4=0, stepLocal_5=16384, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=16383, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=1073741823, var_1_28=50, var_1_29=128, var_1_30=126, var_1_31=65534, var_1_32=126, var_1_38=-16238, var_1_39=16383, var_1_40=-2, var_1_42=0, var_1_7=32, var_1_8=2147483647] [L111] EXPR var_1_28 ^ var_1_8 VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, stepLocal_3=-1, stepLocal_4=0, stepLocal_5=16384, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=16383, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=1073741823, var_1_28=50, var_1_29=128, var_1_30=126, var_1_31=65534, var_1_32=126, var_1_38=-16238, var_1_39=16383, var_1_40=-2, var_1_42=0, var_1_7=32, var_1_8=2147483647] [L111] EXPR (var_1_28 ^ var_1_8) & var_1_23 VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, stepLocal_3=-1, stepLocal_4=0, stepLocal_5=16384, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=16383, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=1073741823, var_1_28=50, var_1_29=128, var_1_30=126, var_1_31=65534, var_1_32=126, var_1_38=-16238, var_1_39=16383, var_1_40=-2, var_1_42=0, var_1_7=32, var_1_8=2147483647] [L111] unsigned long int stepLocal_2 = (var_1_28 ^ var_1_8) & var_1_23; [L112] COND FALSE !(var_1_28 <= stepLocal_2) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, stepLocal_2=0, stepLocal_3=-1, stepLocal_4=0, stepLocal_5=16384, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=16383, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=1073741823, var_1_28=50, var_1_29=128, var_1_30=126, var_1_31=65534, var_1_32=126, var_1_38=-16238, var_1_39=16383, var_1_40=-2, var_1_42=0, var_1_7=32, var_1_8=2147483647] [L115] unsigned short int stepLocal_6 = var_1_32; VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, stepLocal_2=0, stepLocal_3=-1, stepLocal_4=0, stepLocal_5=16384, stepLocal_6=126, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=16383, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=1073741823, var_1_28=50, var_1_29=128, var_1_30=126, var_1_31=65534, var_1_32=126, var_1_38=-16238, var_1_39=16383, var_1_40=-2, var_1_42=0, var_1_7=32, var_1_8=2147483647] [L116] COND TRUE \read(var_1_14) [L117] var_1_40 = (((((var_1_30 + var_1_32)) < (var_1_23)) ? ((var_1_30 + var_1_32)) : (var_1_23))) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, stepLocal_2=0, stepLocal_3=-1, stepLocal_4=0, stepLocal_5=16384, stepLocal_6=126, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=16383, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=1073741823, var_1_28=50, var_1_29=128, var_1_30=126, var_1_31=65534, var_1_32=126, var_1_38=-16238, var_1_39=16383, var_1_40=1, var_1_42=0, var_1_7=32, var_1_8=2147483647] [L125] unsigned long int stepLocal_1 = var_1_8 + var_1_17; VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, stepLocal_1=2147483679, stepLocal_2=0, stepLocal_3=-1, stepLocal_4=0, stepLocal_5=16384, stepLocal_6=126, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=16383, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=1073741823, var_1_28=50, var_1_29=128, var_1_30=126, var_1_31=65534, var_1_32=126, var_1_38=-16238, var_1_39=16383, var_1_40=1, var_1_42=0, var_1_7=32, var_1_8=2147483647] [L126] COND FALSE !(\read(var_1_12)) [L131] var_1_13 = var_1_15 VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, stepLocal_1=2147483679, stepLocal_2=0, stepLocal_3=-1, stepLocal_4=0, stepLocal_5=16384, stepLocal_6=126, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=16383, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=1073741823, var_1_28=50, var_1_29=128, var_1_30=126, var_1_31=65534, var_1_32=126, var_1_38=-16238, var_1_39=16383, var_1_40=1, var_1_42=0, var_1_7=32, var_1_8=2147483647] [L133] EXPR var_1_7 | var_1_8 VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, stepLocal_1=2147483679, stepLocal_2=0, stepLocal_3=-1, stepLocal_4=0, stepLocal_5=16384, stepLocal_6=126, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=16383, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=1073741823, var_1_28=50, var_1_29=128, var_1_30=126, var_1_31=65534, var_1_32=126, var_1_38=-16238, var_1_39=16383, var_1_40=1, var_1_42=0, var_1_7=32, var_1_8=2147483647] [L133] COND FALSE !(((var_1_7 | var_1_8) > var_1_17) && var_1_13) [L136] signed long int stepLocal_0 = var_1_40; VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, stepLocal_0=1, stepLocal_1=2147483679, stepLocal_2=0, stepLocal_3=-1, stepLocal_4=0, stepLocal_5=16384, stepLocal_6=126, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=87/8, var_1_20=8192, var_1_21=1, var_1_22=16383, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=1073741823, var_1_28=50, var_1_29=128, var_1_30=126, var_1_31=65534, var_1_32=126, var_1_38=-16238, var_1_39=16383, var_1_40=1, var_1_42=0, var_1_7=32, var_1_8=2147483647] [L137] COND FALSE !(stepLocal_0 >= var_1_7) [L140] var_1_1 = (((((var_1_5 + var_1_6)) > (var_1_4)) ? ((var_1_5 + var_1_6)) : (var_1_4))) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, stepLocal_0=1, stepLocal_1=2147483679, stepLocal_2=0, stepLocal_3=-1, stepLocal_4=0, stepLocal_5=16384, stepLocal_6=126, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=2, var_1_20=8192, var_1_21=1, var_1_22=16383, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=1073741823, var_1_28=50, var_1_29=128, var_1_30=126, var_1_31=65534, var_1_32=126, var_1_38=-16238, var_1_39=16383, var_1_40=1, var_1_42=0, var_1_4=0, var_1_7=32, var_1_8=2147483647] [L225] RET step() [L226] CALL, EXPR property() [L216] EXPR (((var_1_40 >= var_1_7) ? (var_1_1 == ((float) ((((var_1_4) > (9.999999996E8f)) ? (var_1_4) : (9.999999996E8f))))) : (var_1_1 == ((float) (((((var_1_5 + var_1_6)) > (var_1_4)) ? ((var_1_5 + var_1_6)) : (var_1_4)))))) && ((var_1_5 < var_1_4) ? (var_1_7 == ((unsigned long int) (((((var_1_8 - var_1_28)) < (var_1_17)) ? ((var_1_8 - var_1_28)) : (var_1_17))))) : (var_1_7 == ((unsigned long int) var_1_28)))) && ((((var_1_7 | var_1_8) > var_1_17) && var_1_13) ? (var_1_11 == ((float) var_1_5)) : 1) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=2, var_1_20=8192, var_1_21=1, var_1_22=16383, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=1073741823, var_1_28=50, var_1_29=128, var_1_30=126, var_1_31=65534, var_1_32=126, var_1_38=-16238, var_1_39=16383, var_1_40=1, var_1_42=0, var_1_4=0, var_1_7=32, var_1_8=2147483647] [L216] EXPR (((((var_1_40 >= var_1_7) ? (var_1_1 == ((float) ((((var_1_4) > (9.999999996E8f)) ? (var_1_4) : (9.999999996E8f))))) : (var_1_1 == ((float) (((((var_1_5 + var_1_6)) > (var_1_4)) ? ((var_1_5 + var_1_6)) : (var_1_4)))))) && ((var_1_5 < var_1_4) ? (var_1_7 == ((unsigned long int) (((((var_1_8 - var_1_28)) < (var_1_17)) ? ((var_1_8 - var_1_28)) : (var_1_17))))) : (var_1_7 == ((unsigned long int) var_1_28)))) && ((((var_1_7 | var_1_8) > var_1_17) && var_1_13) ? (var_1_11 == ((float) var_1_5)) : 1)) && (var_1_12 ? (((var_1_28 + var_1_40) > (var_1_8 + var_1_17)) ? (var_1_13 == ((unsigned char) var_1_14)) : 1) : (var_1_13 == ((unsigned char) var_1_15)))) && ((var_1_28 <= ((var_1_28 ^ var_1_8) & var_1_23)) ? (var_1_16 == ((float) var_1_4)) : 1) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=2, var_1_20=8192, var_1_21=1, var_1_22=16383, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=1073741823, var_1_28=50, var_1_29=128, var_1_30=126, var_1_31=65534, var_1_32=126, var_1_38=-16238, var_1_39=16383, var_1_40=1, var_1_42=0, var_1_4=0, var_1_7=32, var_1_8=2147483647] [L216] EXPR (((((((var_1_40 >= var_1_7) ? (var_1_1 == ((float) ((((var_1_4) > (9.999999996E8f)) ? (var_1_4) : (9.999999996E8f))))) : (var_1_1 == ((float) (((((var_1_5 + var_1_6)) > (var_1_4)) ? ((var_1_5 + var_1_6)) : (var_1_4)))))) && ((var_1_5 < var_1_4) ? (var_1_7 == ((unsigned long int) (((((var_1_8 - var_1_28)) < (var_1_17)) ? ((var_1_8 - var_1_28)) : (var_1_17))))) : (var_1_7 == ((unsigned long int) var_1_28)))) && ((((var_1_7 | var_1_8) > var_1_17) && var_1_13) ? (var_1_11 == ((float) var_1_5)) : 1)) && (var_1_12 ? (((var_1_28 + var_1_40) > (var_1_8 + var_1_17)) ? (var_1_13 == ((unsigned char) var_1_14)) : 1) : (var_1_13 == ((unsigned char) var_1_15)))) && ((var_1_28 <= ((var_1_28 ^ var_1_8) & var_1_23)) ? (var_1_16 == ((float) var_1_4)) : 1)) && ((-1 > ((((var_1_28) < 0 ) ? -(var_1_28) : (var_1_28)))) ? (var_1_17 == ((unsigned short int) ((var_1_18 + var_1_19) - ((var_1_20 - var_1_21) + 5)))) : 1)) && (((var_1_18 << var_1_32) <= (var_1_19 + var_1_20)) ? ((var_1_17 >= var_1_19) ? (var_1_22 == ((unsigned long int) var_1_18)) : (var_1_22 == ((unsigned long int) var_1_20))) : (var_1_22 == ((unsigned long int) var_1_18))) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=2, var_1_20=8192, var_1_21=1, var_1_22=16383, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=1073741823, var_1_28=50, var_1_29=128, var_1_30=126, var_1_31=65534, var_1_32=126, var_1_38=-16238, var_1_39=16383, var_1_40=1, var_1_42=0, var_1_4=0, var_1_7=32, var_1_8=2147483647] [L216] EXPR (((((((((var_1_40 >= var_1_7) ? (var_1_1 == ((float) ((((var_1_4) > (9.999999996E8f)) ? (var_1_4) : (9.999999996E8f))))) : (var_1_1 == ((float) (((((var_1_5 + var_1_6)) > (var_1_4)) ? ((var_1_5 + var_1_6)) : (var_1_4)))))) && ((var_1_5 < var_1_4) ? (var_1_7 == ((unsigned long int) (((((var_1_8 - var_1_28)) < (var_1_17)) ? ((var_1_8 - var_1_28)) : (var_1_17))))) : (var_1_7 == ((unsigned long int) var_1_28)))) && ((((var_1_7 | var_1_8) > var_1_17) && var_1_13) ? (var_1_11 == ((float) var_1_5)) : 1)) && (var_1_12 ? (((var_1_28 + var_1_40) > (var_1_8 + var_1_17)) ? (var_1_13 == ((unsigned char) var_1_14)) : 1) : (var_1_13 == ((unsigned char) var_1_15)))) && ((var_1_28 <= ((var_1_28 ^ var_1_8) & var_1_23)) ? (var_1_16 == ((float) var_1_4)) : 1)) && ((-1 > ((((var_1_28) < 0 ) ? -(var_1_28) : (var_1_28)))) ? (var_1_17 == ((unsigned short int) ((var_1_18 + var_1_19) - ((var_1_20 - var_1_21) + 5)))) : 1)) && (((var_1_18 << var_1_32) <= (var_1_19 + var_1_20)) ? ((var_1_17 >= var_1_19) ? (var_1_22 == ((unsigned long int) var_1_18)) : (var_1_22 == ((unsigned long int) var_1_20))) : (var_1_22 == ((unsigned long int) var_1_18)))) && ((((var_1_24 - var_1_25) / var_1_26) == (var_1_19 - (var_1_27 - var_1_18))) ? (var_1_23 == ((unsigned short int) (var_1_20 + var_1_18))) : 1)) && (((last_1_var_1_40 / (var_1_29 - var_1_30)) > (var_1_19 << var_1_20)) ? (var_1_28 == ((unsigned short int) (var_1_31 - var_1_21))) : (var_1_28 == ((unsigned short int) 50))) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=2, var_1_20=8192, var_1_21=1, var_1_22=16383, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=1073741823, var_1_28=50, var_1_29=128, var_1_30=126, var_1_31=65534, var_1_32=126, var_1_38=-16238, var_1_39=16383, var_1_40=1, var_1_42=0, var_1_4=0, var_1_7=32, var_1_8=2147483647] [L216] EXPR (((((((((((var_1_40 >= var_1_7) ? (var_1_1 == ((float) ((((var_1_4) > (9.999999996E8f)) ? (var_1_4) : (9.999999996E8f))))) : (var_1_1 == ((float) (((((var_1_5 + var_1_6)) > (var_1_4)) ? ((var_1_5 + var_1_6)) : (var_1_4)))))) && ((var_1_5 < var_1_4) ? (var_1_7 == ((unsigned long int) (((((var_1_8 - var_1_28)) < (var_1_17)) ? ((var_1_8 - var_1_28)) : (var_1_17))))) : (var_1_7 == ((unsigned long int) var_1_28)))) && ((((var_1_7 | var_1_8) > var_1_17) && var_1_13) ? (var_1_11 == ((float) var_1_5)) : 1)) && (var_1_12 ? (((var_1_28 + var_1_40) > (var_1_8 + var_1_17)) ? (var_1_13 == ((unsigned char) var_1_14)) : 1) : (var_1_13 == ((unsigned char) var_1_15)))) && ((var_1_28 <= ((var_1_28 ^ var_1_8) & var_1_23)) ? (var_1_16 == ((float) var_1_4)) : 1)) && ((-1 > ((((var_1_28) < 0 ) ? -(var_1_28) : (var_1_28)))) ? (var_1_17 == ((unsigned short int) ((var_1_18 + var_1_19) - ((var_1_20 - var_1_21) + 5)))) : 1)) && (((var_1_18 << var_1_32) <= (var_1_19 + var_1_20)) ? ((var_1_17 >= var_1_19) ? (var_1_22 == ((unsigned long int) var_1_18)) : (var_1_22 == ((unsigned long int) var_1_20))) : (var_1_22 == ((unsigned long int) var_1_18)))) && ((((var_1_24 - var_1_25) / var_1_26) == (var_1_19 - (var_1_27 - var_1_18))) ? (var_1_23 == ((unsigned short int) (var_1_20 + var_1_18))) : 1)) && (((last_1_var_1_40 / (var_1_29 - var_1_30)) > (var_1_19 << var_1_20)) ? (var_1_28 == ((unsigned short int) (var_1_31 - var_1_21))) : (var_1_28 == ((unsigned short int) 50)))) && ((((((last_1_var_1_42) < (var_1_24)) ? (last_1_var_1_42) : (var_1_24))) != (last_1_var_1_38 + ((((last_1_var_1_28) < (last_1_var_1_23)) ? (last_1_var_1_28) : (last_1_var_1_23))))) ? (var_1_32 == ((unsigned short int) var_1_30)) : ((16.8f <= last_1_var_1_11) ? (var_1_32 == ((unsigned short int) var_1_21)) : (var_1_32 == ((unsigned short int) var_1_30))))) && (((var_1_29 & (var_1_8 ^ var_1_38)) < var_1_17) ? (var_1_34 == ((float) ((255.5f - var_1_35) + (((((var_1_36 - var_1_37)) < (var_1_5)) ? ((var_1_36 - var_1_37)) : (var_1_5)))))) : 1) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=2, var_1_20=8192, var_1_21=1, var_1_22=16383, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=1073741823, var_1_28=50, var_1_29=128, var_1_30=126, var_1_31=65534, var_1_32=126, var_1_38=-16238, var_1_39=16383, var_1_40=1, var_1_42=0, var_1_4=0, var_1_7=32, var_1_8=2147483647] [L216-L217] return ((((((((((((((var_1_40 >= var_1_7) ? (var_1_1 == ((float) ((((var_1_4) > (9.999999996E8f)) ? (var_1_4) : (9.999999996E8f))))) : (var_1_1 == ((float) (((((var_1_5 + var_1_6)) > (var_1_4)) ? ((var_1_5 + var_1_6)) : (var_1_4)))))) && ((var_1_5 < var_1_4) ? (var_1_7 == ((unsigned long int) (((((var_1_8 - var_1_28)) < (var_1_17)) ? ((var_1_8 - var_1_28)) : (var_1_17))))) : (var_1_7 == ((unsigned long int) var_1_28)))) && ((((var_1_7 | var_1_8) > var_1_17) && var_1_13) ? (var_1_11 == ((float) var_1_5)) : 1)) && (var_1_12 ? (((var_1_28 + var_1_40) > (var_1_8 + var_1_17)) ? (var_1_13 == ((unsigned char) var_1_14)) : 1) : (var_1_13 == ((unsigned char) var_1_15)))) && ((var_1_28 <= ((var_1_28 ^ var_1_8) & var_1_23)) ? (var_1_16 == ((float) var_1_4)) : 1)) && ((-1 > ((((var_1_28) < 0 ) ? -(var_1_28) : (var_1_28)))) ? (var_1_17 == ((unsigned short int) ((var_1_18 + var_1_19) - ((var_1_20 - var_1_21) + 5)))) : 1)) && (((var_1_18 << var_1_32) <= (var_1_19 + var_1_20)) ? ((var_1_17 >= var_1_19) ? (var_1_22 == ((unsigned long int) var_1_18)) : (var_1_22 == ((unsigned long int) var_1_20))) : (var_1_22 == ((unsigned long int) var_1_18)))) && ((((var_1_24 - var_1_25) / var_1_26) == (var_1_19 - (var_1_27 - var_1_18))) ? (var_1_23 == ((unsigned short int) (var_1_20 + var_1_18))) : 1)) && (((last_1_var_1_40 / (var_1_29 - var_1_30)) > (var_1_19 << var_1_20)) ? (var_1_28 == ((unsigned short int) (var_1_31 - var_1_21))) : (var_1_28 == ((unsigned short int) 50)))) && ((((((last_1_var_1_42) < (var_1_24)) ? (last_1_var_1_42) : (var_1_24))) != (last_1_var_1_38 + ((((last_1_var_1_28) < (last_1_var_1_23)) ? (last_1_var_1_28) : (last_1_var_1_23))))) ? (var_1_32 == ((unsigned short int) var_1_30)) : ((16.8f <= last_1_var_1_11) ? (var_1_32 == ((unsigned short int) var_1_21)) : (var_1_32 == ((unsigned short int) var_1_30))))) && (((var_1_29 & (var_1_8 ^ var_1_38)) < var_1_17) ? (var_1_34 == ((float) ((255.5f - var_1_35) + (((((var_1_36 - var_1_37)) < (var_1_5)) ? ((var_1_36 - var_1_37)) : (var_1_5)))))) : 1)) && ((var_1_19 > var_1_32) ? (var_1_38 == ((signed short int) (var_1_29 + (((((var_1_21) < (var_1_30)) ? (var_1_21) : (var_1_30))) - (var_1_39 - 16))))) : 1)) && (var_1_14 ? (var_1_40 == ((signed long int) (((((var_1_30 + var_1_32)) < (var_1_23)) ? ((var_1_30 + var_1_32)) : (var_1_23))))) : (((var_1_32 / var_1_31) < var_1_32) ? (var_1_40 == ((signed long int) (var_1_39 + var_1_30))) : (var_1_40 == ((signed long int) var_1_25))))) && (var_1_42 == ((signed short int) var_1_25)) ; [L226] RET, EXPR property() [L226] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=2, var_1_20=8192, var_1_21=1, var_1_22=16383, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=1073741823, var_1_28=50, var_1_29=128, var_1_30=126, var_1_31=65534, var_1_32=126, var_1_38=-16238, var_1_39=16383, var_1_40=1, var_1_42=0, var_1_4=0, var_1_7=32, var_1_8=2147483647] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=16384, var_1_1=2, var_1_20=8192, var_1_21=1, var_1_22=16383, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=1073741823, var_1_28=50, var_1_29=128, var_1_30=126, var_1_31=65534, var_1_32=126, var_1_38=-16238, var_1_39=16383, var_1_40=1, var_1_42=0, var_1_4=0, var_1_7=32, var_1_8=2147483647] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 143 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 158.9s, OverallIterations: 21, TraceHistogramMax: 40, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 87.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3 mSolverCounterUnknown, 17130 SdHoareTripleChecker+Valid, 52.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17011 mSDsluCounter, 19293 SdHoareTripleChecker+Invalid, 49.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 15057 mSDsCounter, 4829 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 19621 IncrementalHoareTripleChecker+Invalid, 24453 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4829 mSolverCounterUnsat, 4236 mSDtfsCounter, 19621 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10160 GetRequests, 9472 SyntacticMatches, 6 SemanticMatches, 682 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 14622 ImplicationChecksByTransitivity, 37.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2146occurred in iteration=14, InterpolantAutomatonStates: 522, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.2s AutomataMinimizationTime, 20 MinimizatonAttempts, 21234 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.7s SsaConstructionTime, 4.4s SatisfiabilityAnalysisTime, 54.8s InterpolantComputationTime, 5882 NumberOfCodeBlocks, 5882 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 9591 ConstructedInterpolants, 11 QuantifiedInterpolants, 51812 SizeOfPredicates, 154 NumberOfNonLiveVariables, 12087 ConjunctsInSsa, 331 ConjunctsInUnsatCore, 36 InterpolantComputations, 6 PerfectInterpolantSequences, 108939/112320 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 02:16:44,603 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2023-11-29 02:16:44,649 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/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_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-68.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/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_39619772-c2cc-4ddf-913b-efea67ba5c2a/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 a50f9ed11f10306280cf680a91856fa84d69e79835a7539c0719fe95b31ba9a8 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 02:16:46,387 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 02:16:46,453 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-29 02:16:46,458 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 02:16:46,459 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 02:16:46,492 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 02:16:46,493 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 02:16:46,494 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 02:16:46,494 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 02:16:46,495 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 02:16:46,496 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 02:16:46,496 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 02:16:46,497 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 02:16:46,498 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 02:16:46,498 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 02:16:46,499 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 02:16:46,500 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 02:16:46,500 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 02:16:46,501 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 02:16:46,501 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 02:16:46,502 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 02:16:46,503 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 02:16:46,503 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 02:16:46,504 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 02:16:46,504 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 02:16:46,504 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 02:16:46,505 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 02:16:46,505 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 02:16:46,506 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 02:16:46,506 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 02:16:46,506 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 02:16:46,507 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 02:16:46,507 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 02:16:46,507 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:16:46,508 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 02:16:46,508 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 02:16:46,508 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 02:16:46,509 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 02:16:46,509 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 02:16:46,509 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 02:16:46,509 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 02:16:46,510 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 02:16:46,510 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 02:16:46,510 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 02:16:46,510 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 02:16:46,510 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_39619772-c2cc-4ddf-913b-efea67ba5c2a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a50f9ed11f10306280cf680a91856fa84d69e79835a7539c0719fe95b31ba9a8 [2023-11-29 02:16:46,791 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 02:16:46,812 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 02:16:46,815 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 02:16:46,816 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 02:16:46,817 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 02:16:46,818 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-68.i [2023-11-29 02:16:49,616 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 02:16:49,837 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 02:16:49,838 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-68.i [2023-11-29 02:16:49,849 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/data/227db8ada/d85516fe49cc4dff89ee626e042f3e0b/FLAG6097d01e7 [2023-11-29 02:16:49,865 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/data/227db8ada/d85516fe49cc4dff89ee626e042f3e0b [2023-11-29 02:16:49,868 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 02:16:49,870 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 02:16:49,871 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 02:16:49,871 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 02:16:49,876 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 02:16:49,877 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:16:49" (1/1) ... [2023-11-29 02:16:49,878 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b70d74c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:16:49, skipping insertion in model container [2023-11-29 02:16:49,879 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:16:49" (1/1) ... [2023-11-29 02:16:49,918 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 02:16:50,076 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_39619772-c2cc-4ddf-913b-efea67ba5c2a/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-68.i[916,929] [2023-11-29 02:16:50,156 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:16:50,174 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 02:16:50,186 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_39619772-c2cc-4ddf-913b-efea67ba5c2a/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-68.i[916,929] [2023-11-29 02:16:50,231 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:16:50,252 INFO L206 MainTranslator]: Completed translation [2023-11-29 02:16:50,252 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:16:50 WrapperNode [2023-11-29 02:16:50,252 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 02:16:50,253 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 02:16:50,254 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 02:16:50,254 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 02:16:50,261 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:16:50" (1/1) ... [2023-11-29 02:16:50,291 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:16:50" (1/1) ... [2023-11-29 02:16:50,352 INFO L138 Inliner]: procedures = 27, calls = 53, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 236 [2023-11-29 02:16:50,353 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 02:16:50,353 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 02:16:50,354 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 02:16:50,354 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 02:16:50,365 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:16:50" (1/1) ... [2023-11-29 02:16:50,366 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:16:50" (1/1) ... [2023-11-29 02:16:50,372 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:16:50" (1/1) ... [2023-11-29 02:16:50,387 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 02:16:50,388 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:16:50" (1/1) ... [2023-11-29 02:16:50,388 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:16:50" (1/1) ... [2023-11-29 02:16:50,404 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:16:50" (1/1) ... [2023-11-29 02:16:50,408 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:16:50" (1/1) ... [2023-11-29 02:16:50,412 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:16:50" (1/1) ... [2023-11-29 02:16:50,415 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:16:50" (1/1) ... [2023-11-29 02:16:50,420 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 02:16:50,421 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 02:16:50,422 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 02:16:50,422 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 02:16:50,423 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:16:50" (1/1) ... [2023-11-29 02:16:50,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:16:50,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:16:50,451 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 02:16:50,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 02:16:50,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 02:16:50,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 02:16:50,490 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 02:16:50,490 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 02:16:50,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 02:16:50,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 02:16:50,587 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 02:16:50,589 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 02:16:52,742 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 02:16:52,798 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 02:16:52,798 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 02:16:52,798 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:16:52 BoogieIcfgContainer [2023-11-29 02:16:52,799 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 02:16:52,801 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 02:16:52,801 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 02:16:52,804 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 02:16:52,804 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 02:16:49" (1/3) ... [2023-11-29 02:16:52,805 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50ba450b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:16:52, skipping insertion in model container [2023-11-29 02:16:52,805 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:16:50" (2/3) ... [2023-11-29 02:16:52,805 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50ba450b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:16:52, skipping insertion in model container [2023-11-29 02:16:52,806 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:16:52" (3/3) ... [2023-11-29 02:16:52,807 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-68.i [2023-11-29 02:16:52,844 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 02:16:52,845 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 02:16:52,887 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 02:16:52,893 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;@2d445d6c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 02:16:52,893 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 02:16:52,897 INFO L276 IsEmpty]: Start isEmpty. Operand has 99 states, 56 states have (on average 1.3928571428571428) internal successors, (78), 57 states have internal predecessors, (78), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-29 02:16:52,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2023-11-29 02:16:52,916 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:16:52,917 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:16:52,917 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:16:52,922 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:16:52,922 INFO L85 PathProgramCache]: Analyzing trace with hash 2016003144, now seen corresponding path program 1 times [2023-11-29 02:16:52,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:16:52,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1330288800] [2023-11-29 02:16:52,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:16:52,936 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 02:16:52,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:16:52,937 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/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 02:16:52,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/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 02:16:53,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:16:53,478 INFO L262 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 02:16:53,492 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:16:53,565 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1158 proven. 0 refuted. 0 times theorem prover too weak. 1962 trivial. 0 not checked. [2023-11-29 02:16:53,566 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:16:53,566 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:16:53,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1330288800] [2023-11-29 02:16:53,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1330288800] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:16:53,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:16:53,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:16:53,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374196782] [2023-11-29 02:16:53,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:16:53,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 02:16:53,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:16:53,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 02:16:53,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 02:16:53,609 INFO L87 Difference]: Start difference. First operand has 99 states, 56 states have (on average 1.3928571428571428) internal successors, (78), 57 states have internal predecessors, (78), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) Second operand has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2023-11-29 02:16:55,031 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:16:55,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:16:55,032 INFO L93 Difference]: Finished difference Result 195 states and 354 transitions. [2023-11-29 02:16:55,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 02:16:55,057 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 247 [2023-11-29 02:16:55,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:16:55,064 INFO L225 Difference]: With dead ends: 195 [2023-11-29 02:16:55,064 INFO L226 Difference]: Without dead ends: 97 [2023-11-29 02:16:55,068 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 246 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 02:16:55,071 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-29 02:16:55,072 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 150 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-29 02:16:55,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2023-11-29 02:16:55,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2023-11-29 02:16:55,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 55 states have (on average 1.3272727272727274) internal successors, (73), 55 states have internal predecessors, (73), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-29 02:16:55,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 153 transitions. [2023-11-29 02:16:55,119 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 153 transitions. Word has length 247 [2023-11-29 02:16:55,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:16:55,119 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 153 transitions. [2023-11-29 02:16:55,120 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2023-11-29 02:16:55,120 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 153 transitions. [2023-11-29 02:16:55,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2023-11-29 02:16:55,126 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:16:55,126 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:16:55,139 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/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 02:16:55,326 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/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 02:16:55,327 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:16:55,328 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:16:55,328 INFO L85 PathProgramCache]: Analyzing trace with hash -1815343476, now seen corresponding path program 1 times [2023-11-29 02:16:55,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:16:55,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1685861012] [2023-11-29 02:16:55,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:16:55,329 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 02:16:55,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:16:55,331 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/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 02:16:55,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/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 02:16:55,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:16:55,801 INFO L262 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 02:16:55,817 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:16:55,913 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2023-11-29 02:16:55,914 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:16:55,914 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:16:55,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1685861012] [2023-11-29 02:16:55,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1685861012] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:16:55,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:16:55,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 02:16:55,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836672966] [2023-11-29 02:16:55,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:16:55,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:16:55,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:16:55,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:16:55,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:16:55,920 INFO L87 Difference]: Start difference. First operand 97 states and 153 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-11-29 02:16:57,796 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:16:57,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:16:57,827 INFO L93 Difference]: Finished difference Result 193 states and 305 transitions. [2023-11-29 02:16:57,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:16:57,852 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 247 [2023-11-29 02:16:57,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:16:57,857 INFO L225 Difference]: With dead ends: 193 [2023-11-29 02:16:57,857 INFO L226 Difference]: Without dead ends: 97 [2023-11-29 02:16:57,858 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 245 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 02:16:57,860 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 30 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-11-29 02:16:57,861 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 265 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-11-29 02:16:57,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2023-11-29 02:16:57,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2023-11-29 02:16:57,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 55 states have (on average 1.309090909090909) internal successors, (72), 55 states have internal predecessors, (72), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-29 02:16:57,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 152 transitions. [2023-11-29 02:16:57,879 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 152 transitions. Word has length 247 [2023-11-29 02:16:57,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:16:57,881 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 152 transitions. [2023-11-29 02:16:57,882 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-11-29 02:16:57,882 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 152 transitions. [2023-11-29 02:16:57,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2023-11-29 02:16:57,887 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:16:57,887 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:16:57,898 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/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 02:16:58,090 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/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 02:16:58,091 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:16:58,091 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:16:58,091 INFO L85 PathProgramCache]: Analyzing trace with hash 485479114, now seen corresponding path program 1 times [2023-11-29 02:16:58,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:16:58,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1200282728] [2023-11-29 02:16:58,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:16:58,093 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 02:16:58,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:16:58,115 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/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 02:16:58,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/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 02:16:58,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:16:58,578 INFO L262 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-29 02:16:58,586 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:17:01,561 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 2073 proven. 228 refuted. 0 times theorem prover too weak. 819 trivial. 0 not checked. [2023-11-29 02:17:01,562 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:17:02,831 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:17:02,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1200282728] [2023-11-29 02:17:02,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1200282728] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 02:17:02,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1319129797] [2023-11-29 02:17:02,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:17:02,832 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 02:17:02,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 02:17:02,834 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 02:17:02,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-29 02:17:05,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:17:05,722 INFO L262 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-29 02:17:05,728 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:17:11,775 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 2140 proven. 306 refuted. 0 times theorem prover too weak. 674 trivial. 0 not checked. [2023-11-29 02:17:11,775 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:17:15,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1319129797] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 02:17:15,443 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 02:17:15,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 22] total 36 [2023-11-29 02:17:15,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268198159] [2023-11-29 02:17:15,444 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 02:17:15,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2023-11-29 02:17:15,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:17:15,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2023-11-29 02:17:15,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=234, Invalid=1406, Unknown=0, NotChecked=0, Total=1640 [2023-11-29 02:17:15,449 INFO L87 Difference]: Start difference. First operand 97 states and 152 transitions. Second operand has 36 states, 36 states have (on average 3.6666666666666665) internal successors, (132), 33 states have internal predecessors, (132), 12 states have call successors, (80), 12 states have call predecessors, (80), 17 states have return successors, (80), 12 states have call predecessors, (80), 12 states have call successors, (80) [2023-11-29 02:17:38,376 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 02:17:40,793 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 02:17:53,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 02:17:53,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:17:53,065 INFO L93 Difference]: Finished difference Result 386 states and 551 transitions. [2023-11-29 02:17:53,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2023-11-29 02:17:53,097 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 3.6666666666666665) internal successors, (132), 33 states have internal predecessors, (132), 12 states have call successors, (80), 12 states have call predecessors, (80), 17 states have return successors, (80), 12 states have call predecessors, (80), 12 states have call successors, (80) Word has length 247 [2023-11-29 02:17:53,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:17:53,102 INFO L225 Difference]: With dead ends: 386 [2023-11-29 02:17:53,102 INFO L226 Difference]: Without dead ends: 290 [2023-11-29 02:17:53,106 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 598 GetRequests, 506 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2569 ImplicationChecksByTransitivity, 31.3s TimeCoverageRelationStatistics Valid=1603, Invalid=7137, Unknown=2, NotChecked=0, Total=8742 [2023-11-29 02:17:53,107 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 799 mSDsluCounter, 798 mSDsCounter, 0 mSdLazyCounter, 1248 mSolverCounterSat, 314 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 810 SdHoareTripleChecker+Valid, 887 SdHoareTripleChecker+Invalid, 1562 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 314 IncrementalHoareTripleChecker+Valid, 1248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.8s IncrementalHoareTripleChecker+Time [2023-11-29 02:17:53,108 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [810 Valid, 887 Invalid, 1562 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [314 Valid, 1248 Invalid, 0 Unknown, 0 Unchecked, 12.8s Time] [2023-11-29 02:17:53,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2023-11-29 02:17:53,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 225. [2023-11-29 02:17:53,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 128 states have (on average 1.1484375) internal successors, (147), 128 states have internal predecessors, (147), 80 states have call successors, (80), 16 states have call predecessors, (80), 16 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2023-11-29 02:17:53,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 307 transitions. [2023-11-29 02:17:53,155 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 307 transitions. Word has length 247 [2023-11-29 02:17:53,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:17:53,156 INFO L495 AbstractCegarLoop]: Abstraction has 225 states and 307 transitions. [2023-11-29 02:17:53,157 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 3.6666666666666665) internal successors, (132), 33 states have internal predecessors, (132), 12 states have call successors, (80), 12 states have call predecessors, (80), 17 states have return successors, (80), 12 states have call predecessors, (80), 12 states have call successors, (80) [2023-11-29 02:17:53,157 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 307 transitions. [2023-11-29 02:17:53,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2023-11-29 02:17:53,161 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:17:53,161 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:17:53,171 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/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 02:17:53,372 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-11-29 02:17:53,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt [2023-11-29 02:17:53,562 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:17:53,562 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:17:53,563 INFO L85 PathProgramCache]: Analyzing trace with hash -1343286586, now seen corresponding path program 1 times [2023-11-29 02:17:53,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:17:53,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1460233190] [2023-11-29 02:17:53,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:17:53,564 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 02:17:53,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:17:53,565 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/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 02:17:53,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/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 02:17:53,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:17:53,978 INFO L262 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 02:17:53,983 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:17:54,791 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2023-11-29 02:17:54,791 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:17:54,791 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:17:54,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1460233190] [2023-11-29 02:17:54,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1460233190] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:17:54,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:17:54,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 02:17:54,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536102481] [2023-11-29 02:17:54,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:17:54,792 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 02:17:54,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:17:54,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 02:17:54,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:17:54,793 INFO L87 Difference]: Start difference. First operand 225 states and 307 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-11-29 02:17:56,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 02:17:58,978 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:17:58,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:17:58,983 INFO L93 Difference]: Finished difference Result 449 states and 631 transitions. [2023-11-29 02:17:59,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 02:17:59,013 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 247 [2023-11-29 02:17:59,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:17:59,016 INFO L225 Difference]: With dead ends: 449 [2023-11-29 02:17:59,016 INFO L226 Difference]: Without dead ends: 337 [2023-11-29 02:17:59,017 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:17:59,017 INFO L413 NwaCegarLoop]: 253 mSDtfsCounter, 224 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:17:59,018 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 477 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2023-11-29 02:17:59,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2023-11-29 02:17:59,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 235. [2023-11-29 02:17:59,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 138 states have (on average 1.1666666666666667) internal successors, (161), 138 states have internal predecessors, (161), 80 states have call successors, (80), 16 states have call predecessors, (80), 16 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2023-11-29 02:17:59,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 321 transitions. [2023-11-29 02:17:59,074 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 321 transitions. Word has length 247 [2023-11-29 02:17:59,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:17:59,075 INFO L495 AbstractCegarLoop]: Abstraction has 235 states and 321 transitions. [2023-11-29 02:17:59,075 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-11-29 02:17:59,075 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 321 transitions. [2023-11-29 02:17:59,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2023-11-29 02:17:59,077 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:17:59,077 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:17:59,089 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/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 02:17:59,278 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/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 02:17:59,279 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:17:59,279 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:17:59,279 INFO L85 PathProgramCache]: Analyzing trace with hash -642222008, now seen corresponding path program 1 times [2023-11-29 02:17:59,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:17:59,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [806552190] [2023-11-29 02:17:59,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:17:59,280 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 02:17:59,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:17:59,281 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/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 02:17:59,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/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 02:17:59,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:17:59,716 INFO L262 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-29 02:17:59,721 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:18:03,591 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1517 proven. 150 refuted. 0 times theorem prover too weak. 1453 trivial. 0 not checked. [2023-11-29 02:18:03,591 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:18:07,580 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:18:07,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [806552190] [2023-11-29 02:18:07,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [806552190] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 02:18:07,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2007633551] [2023-11-29 02:18:07,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:18:07,581 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 02:18:07,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 02:18:07,582 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 02:18:07,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-11-29 02:18:09,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:18:09,307 INFO L262 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-29 02:18:09,314 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:18:12,748 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1433 proven. 129 refuted. 0 times theorem prover too weak. 1558 trivial. 0 not checked. [2023-11-29 02:18:12,748 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:18:15,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2007633551] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 02:18:15,364 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 02:18:15,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 12] total 21 [2023-11-29 02:18:15,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182117295] [2023-11-29 02:18:15,364 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 02:18:15,365 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-11-29 02:18:15,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:18:15,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-11-29 02:18:15,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=234, Invalid=888, Unknown=0, NotChecked=0, Total=1122 [2023-11-29 02:18:15,367 INFO L87 Difference]: Start difference. First operand 235 states and 321 transitions. Second operand has 22 states, 22 states have (on average 4.2727272727272725) internal successors, (94), 20 states have internal predecessors, (94), 5 states have call successors, (49), 5 states have call predecessors, (49), 7 states have return successors, (50), 5 states have call predecessors, (50), 5 states have call successors, (50) [2023-11-29 02:18:22,595 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:18:24,200 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 02:18:33,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:18:35,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:18:37,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:18:37,151 INFO L93 Difference]: Finished difference Result 878 states and 1185 transitions. [2023-11-29 02:18:37,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-11-29 02:18:37,152 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 4.2727272727272725) internal successors, (94), 20 states have internal predecessors, (94), 5 states have call successors, (49), 5 states have call predecessors, (49), 7 states have return successors, (50), 5 states have call predecessors, (50), 5 states have call successors, (50) Word has length 247 [2023-11-29 02:18:37,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:18:37,157 INFO L225 Difference]: With dead ends: 878 [2023-11-29 02:18:37,157 INFO L226 Difference]: Without dead ends: 756 [2023-11-29 02:18:37,159 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 639 GetRequests, 560 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1839 ImplicationChecksByTransitivity, 7.0s TimeCoverageRelationStatistics Valid=1534, Invalid=4946, Unknown=0, NotChecked=0, Total=6480 [2023-11-29 02:18:37,160 INFO L413 NwaCegarLoop]: 157 mSDtfsCounter, 1158 mSDsluCounter, 768 mSDsCounter, 0 mSdLazyCounter, 2095 mSolverCounterSat, 849 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1167 SdHoareTripleChecker+Valid, 925 SdHoareTripleChecker+Invalid, 2944 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 849 IncrementalHoareTripleChecker+Valid, 2095 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:18:37,160 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1167 Valid, 925 Invalid, 2944 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [849 Valid, 2095 Invalid, 0 Unknown, 0 Unchecked, 19.0s Time] [2023-11-29 02:18:37,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 756 states. [2023-11-29 02:18:37,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 756 to 654. [2023-11-29 02:18:37,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 654 states, 419 states have (on average 1.2124105011933175) internal successors, (508), 424 states have internal predecessors, (508), 189 states have call successors, (189), 45 states have call predecessors, (189), 45 states have return successors, (189), 184 states have call predecessors, (189), 189 states have call successors, (189) [2023-11-29 02:18:37,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 654 states and 886 transitions. [2023-11-29 02:18:37,281 INFO L78 Accepts]: Start accepts. Automaton has 654 states and 886 transitions. Word has length 247 [2023-11-29 02:18:37,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:18:37,282 INFO L495 AbstractCegarLoop]: Abstraction has 654 states and 886 transitions. [2023-11-29 02:18:37,282 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 4.2727272727272725) internal successors, (94), 20 states have internal predecessors, (94), 5 states have call successors, (49), 5 states have call predecessors, (49), 7 states have return successors, (50), 5 states have call predecessors, (50), 5 states have call successors, (50) [2023-11-29 02:18:37,282 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 886 transitions. [2023-11-29 02:18:37,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2023-11-29 02:18:37,284 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:18:37,285 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:18:37,298 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-11-29 02:18:37,496 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/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 02:18:37,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/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 02:18:37,686 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:18:37,686 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:18:37,686 INFO L85 PathProgramCache]: Analyzing trace with hash -642162426, now seen corresponding path program 1 times [2023-11-29 02:18:37,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:18:37,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [485172636] [2023-11-29 02:18:37,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:18:37,687 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 02:18:37,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:18:37,688 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/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 02:18:37,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39619772-c2cc-4ddf-913b-efea67ba5c2a/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 02:18:38,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:18:38,337 INFO L262 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 67 conjunts are in the unsatisfiable core [2023-11-29 02:18:38,346 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:23:44,323 WARN L293 SmtUtils]: Spent 1.61m on a formula simplification that was a NOOP. DAG size: 171 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 02:27:53,940 WARN L293 SmtUtils]: Spent 1.95m on a formula simplification that was a NOOP. DAG size: 174 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 02:28:07,591 WARN L293 SmtUtils]: Spent 5.01s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)