./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-29.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_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/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_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-29.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/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_1031692a-df3f-486c-92b8-c48d822b5476/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 89fb3437dc022c4b5e6c8772f3270e161abf7529bebe371d9c5e10b428f306b8 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 02:32:26,863 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 02:32:26,928 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 02:32:26,933 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 02:32:26,934 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 02:32:26,956 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 02:32:26,957 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 02:32:26,957 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 02:32:26,958 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 02:32:26,959 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 02:32:26,959 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 02:32:26,960 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 02:32:26,961 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 02:32:26,961 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 02:32:26,962 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 02:32:26,962 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 02:32:26,963 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 02:32:26,963 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 02:32:26,964 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 02:32:26,964 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 02:32:26,965 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 02:32:26,969 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 02:32:26,970 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 02:32:26,970 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 02:32:26,971 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 02:32:26,971 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 02:32:26,972 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 02:32:26,972 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 02:32:26,972 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 02:32:26,973 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 02:32:26,973 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 02:32:26,974 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:32:26,974 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 02:32:26,974 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 02:32:26,974 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 02:32:26,975 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 02:32:26,975 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 02:32:26,975 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 02:32:26,975 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 02:32:26,975 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 02:32:26,976 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 02:32:26,976 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 02:32:26,976 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_1031692a-df3f-486c-92b8-c48d822b5476/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89fb3437dc022c4b5e6c8772f3270e161abf7529bebe371d9c5e10b428f306b8 [2023-11-29 02:32:27,199 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 02:32:27,219 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 02:32:27,221 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 02:32:27,222 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 02:32:27,223 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 02:32:27,224 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-29.i [2023-11-29 02:32:29,941 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 02:32:30,132 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 02:32:30,133 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-29.i [2023-11-29 02:32:30,144 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/data/1dbc12588/d61d6d893d2749158049c3300be092b7/FLAG31415a4ce [2023-11-29 02:32:30,158 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/data/1dbc12588/d61d6d893d2749158049c3300be092b7 [2023-11-29 02:32:30,160 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 02:32:30,161 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 02:32:30,163 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 02:32:30,163 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 02:32:30,168 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 02:32:30,169 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:32:30" (1/1) ... [2023-11-29 02:32:30,170 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71a685af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:32:30, skipping insertion in model container [2023-11-29 02:32:30,170 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:32:30" (1/1) ... [2023-11-29 02:32:30,210 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 02:32:30,357 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_1031692a-df3f-486c-92b8-c48d822b5476/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-29.i[916,929] [2023-11-29 02:32:30,442 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:32:30,456 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 02:32:30,469 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_1031692a-df3f-486c-92b8-c48d822b5476/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-29.i[916,929] [2023-11-29 02:32:30,513 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:32:30,534 INFO L206 MainTranslator]: Completed translation [2023-11-29 02:32:30,534 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:32:30 WrapperNode [2023-11-29 02:32:30,535 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 02:32:30,536 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 02:32:30,536 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 02:32:30,536 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 02:32:30,545 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:32:30" (1/1) ... [2023-11-29 02:32:30,560 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:32:30" (1/1) ... [2023-11-29 02:32:30,655 INFO L138 Inliner]: procedures = 26, calls = 51, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 267 [2023-11-29 02:32:30,655 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 02:32:30,656 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 02:32:30,656 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 02:32:30,656 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 02:32:30,667 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:32:30" (1/1) ... [2023-11-29 02:32:30,668 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:32:30" (1/1) ... [2023-11-29 02:32:30,671 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:32:30" (1/1) ... [2023-11-29 02:32:30,693 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 02:32:30,694 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:32:30" (1/1) ... [2023-11-29 02:32:30,694 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:32:30" (1/1) ... [2023-11-29 02:32:30,711 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:32:30" (1/1) ... [2023-11-29 02:32:30,716 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:32:30" (1/1) ... [2023-11-29 02:32:30,719 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:32:30" (1/1) ... [2023-11-29 02:32:30,723 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:32:30" (1/1) ... [2023-11-29 02:32:30,728 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 02:32:30,729 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 02:32:30,729 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 02:32:30,729 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 02:32:30,730 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:32:30" (1/1) ... [2023-11-29 02:32:30,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:32:30,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:32:30,757 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 02:32:30,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 02:32:30,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 02:32:30,784 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 02:32:30,785 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 02:32:30,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 02:32:30,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 02:32:30,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 02:32:30,869 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 02:32:30,871 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 02:32:31,309 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 02:32:31,348 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 02:32:31,349 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 02:32:31,349 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:32:31 BoogieIcfgContainer [2023-11-29 02:32:31,350 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 02:32:31,353 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 02:32:31,353 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 02:32:31,356 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 02:32:31,357 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 02:32:30" (1/3) ... [2023-11-29 02:32:31,357 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1753ca7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:32:31, skipping insertion in model container [2023-11-29 02:32:31,358 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:32:30" (2/3) ... [2023-11-29 02:32:31,358 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1753ca7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:32:31, skipping insertion in model container [2023-11-29 02:32:31,358 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:32:31" (3/3) ... [2023-11-29 02:32:31,359 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-29.i [2023-11-29 02:32:31,379 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 02:32:31,379 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 02:32:31,444 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 02:32:31,451 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;@19c407b7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 02:32:31,451 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 02:32:31,456 INFO L276 IsEmpty]: Start isEmpty. Operand has 109 states, 68 states have (on average 1.4411764705882353) internal successors, (98), 69 states have internal predecessors, (98), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2023-11-29 02:32:31,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2023-11-29 02:32:31,476 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:32:31,477 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:32:31,478 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:32:31,482 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:32:31,482 INFO L85 PathProgramCache]: Analyzing trace with hash -2083384648, now seen corresponding path program 1 times [2023-11-29 02:32:31,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:32:31,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732934427] [2023-11-29 02:32:31,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:32:31,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:32:31,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:32:31,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:32:31,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732934427] [2023-11-29 02:32:31,732 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-29 02:32:31,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [318797819] [2023-11-29 02:32:31,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:32:31,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:32:31,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:32:31,734 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:32:31,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 02:32:31,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:32:31,948 INFO L262 TraceCheckSpWp]: Trace formula consists of 552 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 02:32:31,962 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:32:32,014 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 2738 trivial. 0 not checked. [2023-11-29 02:32:32,014 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:32:32,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [318797819] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:32:32,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:32:32,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:32:32,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077569349] [2023-11-29 02:32:32,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:32:32,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 02:32:32,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:32:32,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 02:32:32,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 02:32:32,054 INFO L87 Difference]: Start difference. First operand has 109 states, 68 states have (on average 1.4411764705882353) internal successors, (98), 69 states have internal predecessors, (98), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) Second operand has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 2 states have call successors, (38) [2023-11-29 02:32:32,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:32:32,100 INFO L93 Difference]: Finished difference Result 215 states and 384 transitions. [2023-11-29 02:32:32,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 02:32:32,103 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 2 states have call successors, (38) Word has length 238 [2023-11-29 02:32:32,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:32:32,113 INFO L225 Difference]: With dead ends: 215 [2023-11-29 02:32:32,113 INFO L226 Difference]: Without dead ends: 107 [2023-11-29 02:32:32,118 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 237 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 02:32:32,121 INFO L413 NwaCegarLoop]: 166 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, 166 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 02:32:32,122 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 166 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:32:32,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2023-11-29 02:32:32,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2023-11-29 02:32:32,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 67 states have (on average 1.3880597014925373) internal successors, (93), 67 states have internal predecessors, (93), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2023-11-29 02:32:32,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 169 transitions. [2023-11-29 02:32:32,178 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 169 transitions. Word has length 238 [2023-11-29 02:32:32,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:32:32,179 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 169 transitions. [2023-11-29 02:32:32,180 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 2 states have call successors, (38) [2023-11-29 02:32:32,180 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 169 transitions. [2023-11-29 02:32:32,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2023-11-29 02:32:32,187 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:32:32,187 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:32:32,205 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 02:32:32,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:32:32,389 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:32:32,389 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:32:32,389 INFO L85 PathProgramCache]: Analyzing trace with hash -414659456, now seen corresponding path program 1 times [2023-11-29 02:32:32,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:32:32,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390388258] [2023-11-29 02:32:32,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:32:32,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:32:32,471 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:32:32,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1245251156] [2023-11-29 02:32:32,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:32:32,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:32:32,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:32:32,473 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:32:32,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 02:32:32,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:32:32,707 INFO L262 TraceCheckSpWp]: Trace formula consists of 552 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 02:32:32,727 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:32:32,795 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2023-11-29 02:32:32,795 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:32:32,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:32:32,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390388258] [2023-11-29 02:32:32,795 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 02:32:32,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1245251156] [2023-11-29 02:32:32,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1245251156] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:32:32,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:32:32,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 02:32:32,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524730035] [2023-11-29 02:32:32,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:32:32,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:32:32,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:32:32,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:32:32,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:32:32,800 INFO L87 Difference]: Start difference. First operand 107 states and 169 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2023-11-29 02:32:32,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:32:32,911 INFO L93 Difference]: Finished difference Result 313 states and 494 transitions. [2023-11-29 02:32:32,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:32:32,912 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 238 [2023-11-29 02:32:32,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:32:32,917 INFO L225 Difference]: With dead ends: 313 [2023-11-29 02:32:32,917 INFO L226 Difference]: Without dead ends: 207 [2023-11-29 02:32:32,919 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 236 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 02:32:32,921 INFO L413 NwaCegarLoop]: 276 mSDtfsCounter, 148 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 424 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:32:32,921 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 424 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 02:32:32,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2023-11-29 02:32:32,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 205. [2023-11-29 02:32:32,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 126 states have (on average 1.3333333333333333) internal successors, (168), 126 states have internal predecessors, (168), 76 states have call successors, (76), 2 states have call predecessors, (76), 2 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2023-11-29 02:32:32,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 320 transitions. [2023-11-29 02:32:32,966 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 320 transitions. Word has length 238 [2023-11-29 02:32:32,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:32:32,967 INFO L495 AbstractCegarLoop]: Abstraction has 205 states and 320 transitions. [2023-11-29 02:32:32,968 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2023-11-29 02:32:32,968 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 320 transitions. [2023-11-29 02:32:32,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2023-11-29 02:32:32,973 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:32:32,973 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:32:32,980 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 02:32:33,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:32:33,176 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:32:33,176 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:32:33,177 INFO L85 PathProgramCache]: Analyzing trace with hash 277586872, now seen corresponding path program 1 times [2023-11-29 02:32:33,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:32:33,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530622503] [2023-11-29 02:32:33,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:32:33,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:32:33,242 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:32:33,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1953526640] [2023-11-29 02:32:33,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:32:33,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:32:33,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:32:33,244 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:32:33,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 02:32:33,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:32:33,433 INFO L262 TraceCheckSpWp]: Trace formula consists of 555 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 02:32:33,437 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:32:33,471 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2023-11-29 02:32:33,471 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:32:33,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:32:33,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530622503] [2023-11-29 02:32:33,471 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 02:32:33,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1953526640] [2023-11-29 02:32:33,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1953526640] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:32:33,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:32:33,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 02:32:33,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105688804] [2023-11-29 02:32:33,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:32:33,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:32:33,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:32:33,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:32:33,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:32:33,474 INFO L87 Difference]: Start difference. First operand 205 states and 320 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2023-11-29 02:32:33,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:32:33,542 INFO L93 Difference]: Finished difference Result 415 states and 647 transitions. [2023-11-29 02:32:33,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:32:33,543 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 239 [2023-11-29 02:32:33,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:32:33,547 INFO L225 Difference]: With dead ends: 415 [2023-11-29 02:32:33,547 INFO L226 Difference]: Without dead ends: 211 [2023-11-29 02:32:33,549 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 237 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 02:32:33,550 INFO L413 NwaCegarLoop]: 197 mSDtfsCounter, 151 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:32:33,551 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 342 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:32:33,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2023-11-29 02:32:33,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 209. [2023-11-29 02:32:33,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 130 states have (on average 1.3076923076923077) internal successors, (170), 130 states have internal predecessors, (170), 76 states have call successors, (76), 2 states have call predecessors, (76), 2 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2023-11-29 02:32:33,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 322 transitions. [2023-11-29 02:32:33,587 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 322 transitions. Word has length 239 [2023-11-29 02:32:33,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:32:33,588 INFO L495 AbstractCegarLoop]: Abstraction has 209 states and 322 transitions. [2023-11-29 02:32:33,588 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2023-11-29 02:32:33,588 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 322 transitions. [2023-11-29 02:32:33,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2023-11-29 02:32:33,591 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:32:33,592 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:32:33,597 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 02:32:33,792 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:32:33,792 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:32:33,793 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:32:33,793 INFO L85 PathProgramCache]: Analyzing trace with hash 427715372, now seen corresponding path program 1 times [2023-11-29 02:32:33,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:32:33,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810372646] [2023-11-29 02:32:33,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:32:33,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:32:33,841 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:32:33,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [364326935] [2023-11-29 02:32:33,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:32:33,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:32:33,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:32:33,844 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:32:33,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 02:32:34,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:32:34,035 INFO L262 TraceCheckSpWp]: Trace formula consists of 559 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 02:32:34,042 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:32:34,493 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 37 proven. 111 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2023-11-29 02:32:34,493 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:32:34,826 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 2701 trivial. 0 not checked. [2023-11-29 02:32:34,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:32:34,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810372646] [2023-11-29 02:32:34,827 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 02:32:34,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [364326935] [2023-11-29 02:32:34,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [364326935] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:32:34,827 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 02:32:34,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2023-11-29 02:32:34,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796508345] [2023-11-29 02:32:34,828 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 02:32:34,829 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 02:32:34,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:32:34,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 02:32:34,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-29 02:32:34,830 INFO L87 Difference]: Start difference. First operand 209 states and 322 transitions. Second operand has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 2 states have call successors, (75), 2 states have call predecessors, (75), 4 states have return successors, (76), 1 states have call predecessors, (76), 2 states have call successors, (76) [2023-11-29 02:32:35,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:32:35,134 INFO L93 Difference]: Finished difference Result 421 states and 641 transitions. [2023-11-29 02:32:35,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 02:32:35,135 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 2 states have call successors, (75), 2 states have call predecessors, (75), 4 states have return successors, (76), 1 states have call predecessors, (76), 2 states have call successors, (76) Word has length 240 [2023-11-29 02:32:35,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:32:35,138 INFO L225 Difference]: With dead ends: 421 [2023-11-29 02:32:35,139 INFO L226 Difference]: Without dead ends: 213 [2023-11-29 02:32:35,140 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 482 GetRequests, 472 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-11-29 02:32:35,141 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 111 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 277 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 02:32:35,141 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 277 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 02:32:35,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2023-11-29 02:32:35,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 131. [2023-11-29 02:32:35,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 90 states have (on average 1.3333333333333333) internal successors, (120), 90 states have internal predecessors, (120), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2023-11-29 02:32:35,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 196 transitions. [2023-11-29 02:32:35,171 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 196 transitions. Word has length 240 [2023-11-29 02:32:35,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:32:35,172 INFO L495 AbstractCegarLoop]: Abstraction has 131 states and 196 transitions. [2023-11-29 02:32:35,173 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 2 states have call successors, (75), 2 states have call predecessors, (75), 4 states have return successors, (76), 1 states have call predecessors, (76), 2 states have call successors, (76) [2023-11-29 02:32:35,173 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 196 transitions. [2023-11-29 02:32:35,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2023-11-29 02:32:35,177 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:32:35,177 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:32:35,184 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-29 02:32:35,379 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2023-11-29 02:32:35,380 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:32:35,380 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:32:35,380 INFO L85 PathProgramCache]: Analyzing trace with hash -593352982, now seen corresponding path program 1 times [2023-11-29 02:32:35,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:32:35,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601252607] [2023-11-29 02:32:35,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:32:35,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:32:35,421 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:32:35,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [97105770] [2023-11-29 02:32:35,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:32:35,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:32:35,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:32:35,423 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:32:35,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-29 02:32:35,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:32:35,607 INFO L262 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-29 02:32:35,614 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:32:37,911 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2023-11-29 02:32:37,911 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:32:37,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:32:37,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601252607] [2023-11-29 02:32:37,912 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 02:32:37,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [97105770] [2023-11-29 02:32:37,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [97105770] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:32:37,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:32:37,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 02:32:37,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238496045] [2023-11-29 02:32:37,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:32:37,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 02:32:37,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:32:37,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 02:32:37,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2023-11-29 02:32:37,914 INFO L87 Difference]: Start difference. First operand 131 states and 196 transitions. Second operand has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2023-11-29 02:32:38,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:32:38,494 INFO L93 Difference]: Finished difference Result 419 states and 616 transitions. [2023-11-29 02:32:38,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-29 02:32:38,495 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 240 [2023-11-29 02:32:38,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:32:38,498 INFO L225 Difference]: With dead ends: 419 [2023-11-29 02:32:38,498 INFO L226 Difference]: Without dead ends: 289 [2023-11-29 02:32:38,499 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 231 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=129, Invalid=291, Unknown=0, NotChecked=0, Total=420 [2023-11-29 02:32:38,500 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 351 mSDsluCounter, 897 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 351 SdHoareTripleChecker+Valid, 1039 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 02:32:38,500 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [351 Valid, 1039 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 02:32:38,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2023-11-29 02:32:38,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 154. [2023-11-29 02:32:38,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 113 states have (on average 1.3628318584070795) internal successors, (154), 113 states have internal predecessors, (154), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2023-11-29 02:32:38,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 230 transitions. [2023-11-29 02:32:38,519 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 230 transitions. Word has length 240 [2023-11-29 02:32:38,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:32:38,521 INFO L495 AbstractCegarLoop]: Abstraction has 154 states and 230 transitions. [2023-11-29 02:32:38,521 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2023-11-29 02:32:38,521 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 230 transitions. [2023-11-29 02:32:38,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2023-11-29 02:32:38,524 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:32:38,525 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:32:38,531 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-29 02:32:38,725 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:32:38,725 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:32:38,726 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:32:38,726 INFO L85 PathProgramCache]: Analyzing trace with hash -335187544, now seen corresponding path program 1 times [2023-11-29 02:32:38,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:32:38,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244759445] [2023-11-29 02:32:38,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:32:38,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:32:38,780 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:32:38,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [390057668] [2023-11-29 02:32:38,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:32:38,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:32:38,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:32:38,782 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:32:38,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-29 02:32:38,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:32:38,976 INFO L262 TraceCheckSpWp]: Trace formula consists of 556 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-29 02:32:38,985 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:32:40,484 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2023-11-29 02:32:40,484 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:32:40,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:32:40,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244759445] [2023-11-29 02:32:40,485 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 02:32:40,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [390057668] [2023-11-29 02:32:40,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [390057668] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:32:40,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:32:40,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 02:32:40,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006754103] [2023-11-29 02:32:40,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:32:40,485 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 02:32:40,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:32:40,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 02:32:40,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2023-11-29 02:32:40,487 INFO L87 Difference]: Start difference. First operand 154 states and 230 transitions. Second operand has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2023-11-29 02:32:41,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:32:41,055 INFO L93 Difference]: Finished difference Result 442 states and 649 transitions. [2023-11-29 02:32:41,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-29 02:32:41,056 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 240 [2023-11-29 02:32:41,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:32:41,058 INFO L225 Difference]: With dead ends: 442 [2023-11-29 02:32:41,059 INFO L226 Difference]: Without dead ends: 289 [2023-11-29 02:32:41,059 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 231 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=129, Invalid=291, Unknown=0, NotChecked=0, Total=420 [2023-11-29 02:32:41,060 INFO L413 NwaCegarLoop]: 164 mSDtfsCounter, 323 mSDsluCounter, 838 mSDsCounter, 0 mSdLazyCounter, 288 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 323 SdHoareTripleChecker+Valid, 1002 SdHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 02:32:41,061 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [323 Valid, 1002 Invalid, 291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 288 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 02:32:41,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2023-11-29 02:32:41,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 154. [2023-11-29 02:32:41,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 113 states have (on average 1.3628318584070795) internal successors, (154), 113 states have internal predecessors, (154), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2023-11-29 02:32:41,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 230 transitions. [2023-11-29 02:32:41,076 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 230 transitions. Word has length 240 [2023-11-29 02:32:41,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:32:41,077 INFO L495 AbstractCegarLoop]: Abstraction has 154 states and 230 transitions. [2023-11-29 02:32:41,077 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2023-11-29 02:32:41,077 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 230 transitions. [2023-11-29 02:32:41,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2023-11-29 02:32:41,080 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:32:41,080 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:32:41,086 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-29 02:32:41,281 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:32:41,281 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:32:41,282 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:32:41,282 INFO L85 PathProgramCache]: Analyzing trace with hash 67135878, now seen corresponding path program 1 times [2023-11-29 02:32:41,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:32:41,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837743984] [2023-11-29 02:32:41,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:32:41,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:32:41,319 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:32:41,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2117473249] [2023-11-29 02:32:41,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:32:41,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:32:41,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:32:41,322 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:32:41,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-29 02:32:41,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:32:41,520 INFO L262 TraceCheckSpWp]: Trace formula consists of 556 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 02:32:41,525 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:32:41,778 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 687 proven. 96 refuted. 0 times theorem prover too weak. 2029 trivial. 0 not checked. [2023-11-29 02:32:41,778 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:32:41,987 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 15 proven. 96 refuted. 0 times theorem prover too weak. 2701 trivial. 0 not checked. [2023-11-29 02:32:41,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:32:41,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837743984] [2023-11-29 02:32:41,987 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 02:32:41,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2117473249] [2023-11-29 02:32:41,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2117473249] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:32:41,987 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 02:32:41,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2023-11-29 02:32:41,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167353435] [2023-11-29 02:32:41,988 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 02:32:41,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 02:32:41,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:32:41,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 02:32:41,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-29 02:32:41,990 INFO L87 Difference]: Start difference. First operand 154 states and 230 transitions. Second operand has 8 states, 8 states have (on average 7.75) internal successors, (62), 8 states have internal predecessors, (62), 2 states have call successors, (70), 2 states have call predecessors, (70), 4 states have return successors, (71), 2 states have call predecessors, (71), 2 states have call successors, (71) [2023-11-29 02:32:42,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:32:42,511 INFO L93 Difference]: Finished difference Result 405 states and 595 transitions. [2023-11-29 02:32:42,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-29 02:32:42,512 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 8 states have internal predecessors, (62), 2 states have call successors, (70), 2 states have call predecessors, (70), 4 states have return successors, (71), 2 states have call predecessors, (71), 2 states have call successors, (71) Word has length 240 [2023-11-29 02:32:42,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:32:42,515 INFO L225 Difference]: With dead ends: 405 [2023-11-29 02:32:42,515 INFO L226 Difference]: Without dead ends: 252 [2023-11-29 02:32:42,516 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 490 GetRequests, 471 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=112, Invalid=230, Unknown=0, NotChecked=0, Total=342 [2023-11-29 02:32:42,517 INFO L413 NwaCegarLoop]: 186 mSDtfsCounter, 295 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 488 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 301 SdHoareTripleChecker+Valid, 508 SdHoareTripleChecker+Invalid, 577 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 488 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 02:32:42,517 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [301 Valid, 508 Invalid, 577 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 488 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-29 02:32:42,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2023-11-29 02:32:42,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 160. [2023-11-29 02:32:42,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 118 states have (on average 1.347457627118644) internal successors, (159), 118 states have internal predecessors, (159), 38 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2023-11-29 02:32:42,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 235 transitions. [2023-11-29 02:32:42,537 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 235 transitions. Word has length 240 [2023-11-29 02:32:42,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:32:42,538 INFO L495 AbstractCegarLoop]: Abstraction has 160 states and 235 transitions. [2023-11-29 02:32:42,538 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 8 states have internal predecessors, (62), 2 states have call successors, (70), 2 states have call predecessors, (70), 4 states have return successors, (71), 2 states have call predecessors, (71), 2 states have call successors, (71) [2023-11-29 02:32:42,539 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 235 transitions. [2023-11-29 02:32:42,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2023-11-29 02:32:42,541 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:32:42,541 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:32:42,547 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-11-29 02:32:42,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:32:42,741 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:32:42,742 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:32:42,742 INFO L85 PathProgramCache]: Analyzing trace with hash 971410547, now seen corresponding path program 1 times [2023-11-29 02:32:42,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:32:42,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876158770] [2023-11-29 02:32:42,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:32:42,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:32:42,772 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:32:42,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [361099750] [2023-11-29 02:32:42,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:32:42,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:32:42,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:32:42,774 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:32:42,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-29 02:32:42,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:32:42,963 INFO L262 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 02:32:42,967 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:32:42,994 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2023-11-29 02:32:42,994 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:32:42,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:32:42,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876158770] [2023-11-29 02:32:42,995 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 02:32:42,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [361099750] [2023-11-29 02:32:42,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [361099750] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:32:42,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:32:42,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 02:32:42,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38153925] [2023-11-29 02:32:42,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:32:42,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 02:32:42,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:32:42,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 02:32:42,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 02:32:42,997 INFO L87 Difference]: Start difference. First operand 160 states and 235 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2023-11-29 02:32:43,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:32:43,065 INFO L93 Difference]: Finished difference Result 359 states and 526 transitions. [2023-11-29 02:32:43,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 02:32:43,065 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 241 [2023-11-29 02:32:43,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:32:43,067 INFO L225 Difference]: With dead ends: 359 [2023-11-29 02:32:43,067 INFO L226 Difference]: Without dead ends: 195 [2023-11-29 02:32:43,068 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:32:43,068 INFO L413 NwaCegarLoop]: 187 mSDtfsCounter, 54 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 510 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:32:43,069 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 510 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:32:43,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2023-11-29 02:32:43,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 164. [2023-11-29 02:32:43,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 122 states have (on average 1.3524590163934427) internal successors, (165), 122 states have internal predecessors, (165), 38 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2023-11-29 02:32:43,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 241 transitions. [2023-11-29 02:32:43,082 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 241 transitions. Word has length 241 [2023-11-29 02:32:43,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:32:43,082 INFO L495 AbstractCegarLoop]: Abstraction has 164 states and 241 transitions. [2023-11-29 02:32:43,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2023-11-29 02:32:43,083 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 241 transitions. [2023-11-29 02:32:43,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2023-11-29 02:32:43,084 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:32:43,085 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:32:43,090 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-11-29 02:32:43,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:32:43,288 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:32:43,288 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:32:43,288 INFO L85 PathProgramCache]: Analyzing trace with hash 1631899407, now seen corresponding path program 1 times [2023-11-29 02:32:43,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:32:43,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204827197] [2023-11-29 02:32:43,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:32:43,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:32:43,320 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:32:43,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [742774745] [2023-11-29 02:32:43,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:32:43,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:32:43,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:32:43,322 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:32:43,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-29 02:32:43,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:32:43,498 INFO L262 TraceCheckSpWp]: Trace formula consists of 556 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-29 02:32:43,504 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:32:45,561 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 1185 proven. 369 refuted. 0 times theorem prover too weak. 1258 trivial. 0 not checked. [2023-11-29 02:32:45,561 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:32:53,781 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 39 proven. 387 refuted. 0 times theorem prover too weak. 2386 trivial. 0 not checked. [2023-11-29 02:32:53,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:32:53,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204827197] [2023-11-29 02:32:53,781 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 02:32:53,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [742774745] [2023-11-29 02:32:53,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [742774745] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:32:53,782 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 02:32:53,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 22] total 41 [2023-11-29 02:32:53,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937140273] [2023-11-29 02:32:53,782 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 02:32:53,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2023-11-29 02:32:53,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:32:53,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2023-11-29 02:32:53,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=449, Invalid=1191, Unknown=0, NotChecked=0, Total=1640 [2023-11-29 02:32:53,786 INFO L87 Difference]: Start difference. First operand 164 states and 241 transitions. Second operand has 41 states, 40 states have (on average 3.375) internal successors, (135), 39 states have internal predecessors, (135), 10 states have call successors, (76), 6 states have call predecessors, (76), 12 states have return successors, (76), 10 states have call predecessors, (76), 10 states have call successors, (76) [2023-11-29 02:33:03,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:33:03,402 INFO L93 Difference]: Finished difference Result 942 states and 1316 transitions. [2023-11-29 02:33:03,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2023-11-29 02:33:03,403 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 40 states have (on average 3.375) internal successors, (135), 39 states have internal predecessors, (135), 10 states have call successors, (76), 6 states have call predecessors, (76), 12 states have return successors, (76), 10 states have call predecessors, (76), 10 states have call successors, (76) Word has length 241 [2023-11-29 02:33:03,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:33:03,407 INFO L225 Difference]: With dead ends: 942 [2023-11-29 02:33:03,407 INFO L226 Difference]: Without dead ends: 779 [2023-11-29 02:33:03,413 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 563 GetRequests, 444 SyntacticMatches, 0 SemanticMatches, 119 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5970 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=3961, Invalid=10559, Unknown=0, NotChecked=0, Total=14520 [2023-11-29 02:33:03,414 INFO L413 NwaCegarLoop]: 174 mSDtfsCounter, 2021 mSDsluCounter, 2223 mSDsCounter, 0 mSdLazyCounter, 3075 mSolverCounterSat, 547 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2022 SdHoareTripleChecker+Valid, 2397 SdHoareTripleChecker+Invalid, 3622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 547 IncrementalHoareTripleChecker+Valid, 3075 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2023-11-29 02:33:03,414 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2022 Valid, 2397 Invalid, 3622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [547 Valid, 3075 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2023-11-29 02:33:03,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 779 states. [2023-11-29 02:33:03,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 779 to 375. [2023-11-29 02:33:03,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 284 states have (on average 1.3274647887323943) internal successors, (377), 284 states have internal predecessors, (377), 76 states have call successors, (76), 14 states have call predecessors, (76), 14 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2023-11-29 02:33:03,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 529 transitions. [2023-11-29 02:33:03,472 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 529 transitions. Word has length 241 [2023-11-29 02:33:03,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:33:03,473 INFO L495 AbstractCegarLoop]: Abstraction has 375 states and 529 transitions. [2023-11-29 02:33:03,473 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 40 states have (on average 3.375) internal successors, (135), 39 states have internal predecessors, (135), 10 states have call successors, (76), 6 states have call predecessors, (76), 12 states have return successors, (76), 10 states have call predecessors, (76), 10 states have call successors, (76) [2023-11-29 02:33:03,474 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 529 transitions. [2023-11-29 02:33:03,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2023-11-29 02:33:03,476 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:33:03,476 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:33:03,483 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-29 02:33:03,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:33:03,677 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:33:03,677 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:33:03,678 INFO L85 PathProgramCache]: Analyzing trace with hash -26915172, now seen corresponding path program 1 times [2023-11-29 02:33:03,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:33:03,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849999542] [2023-11-29 02:33:03,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:33:03,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:33:03,713 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:33:03,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1280578545] [2023-11-29 02:33:03,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:33:03,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:33:03,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:33:03,715 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:33:03,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-29 02:33:03,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:33:03,880 INFO L262 TraceCheckSpWp]: Trace formula consists of 560 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 02:33:03,885 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:33:04,088 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 1203 proven. 78 refuted. 0 times theorem prover too weak. 1531 trivial. 0 not checked. [2023-11-29 02:33:04,088 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:33:04,272 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 33 proven. 78 refuted. 0 times theorem prover too weak. 2701 trivial. 0 not checked. [2023-11-29 02:33:04,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:33:04,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849999542] [2023-11-29 02:33:04,272 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 02:33:04,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1280578545] [2023-11-29 02:33:04,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1280578545] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:33:04,273 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 02:33:04,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2023-11-29 02:33:04,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22216139] [2023-11-29 02:33:04,273 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 02:33:04,274 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 02:33:04,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:33:04,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 02:33:04,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-11-29 02:33:04,275 INFO L87 Difference]: Start difference. First operand 375 states and 529 transitions. Second operand has 10 states, 10 states have (on average 9.4) internal successors, (94), 10 states have internal predecessors, (94), 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 02:33:04,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:33:04,902 INFO L93 Difference]: Finished difference Result 1017 states and 1393 transitions. [2023-11-29 02:33:04,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 02:33:04,903 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.4) internal successors, (94), 10 states have internal predecessors, (94), 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 241 [2023-11-29 02:33:04,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:33:04,908 INFO L225 Difference]: With dead ends: 1017 [2023-11-29 02:33:04,908 INFO L226 Difference]: Without dead ends: 643 [2023-11-29 02:33:04,909 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 491 GetRequests, 473 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=256, Unknown=0, NotChecked=0, Total=380 [2023-11-29 02:33:04,910 INFO L413 NwaCegarLoop]: 190 mSDtfsCounter, 179 mSDsluCounter, 434 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 624 SdHoareTripleChecker+Invalid, 665 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 02:33:04,910 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 624 Invalid, 665 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 02:33:04,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 643 states. [2023-11-29 02:33:04,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 643 to 342. [2023-11-29 02:33:04,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 249 states have (on average 1.285140562248996) internal successors, (320), 249 states have internal predecessors, (320), 76 states have call successors, (76), 16 states have call predecessors, (76), 16 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2023-11-29 02:33:04,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 472 transitions. [2023-11-29 02:33:04,978 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 472 transitions. Word has length 241 [2023-11-29 02:33:04,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:33:04,979 INFO L495 AbstractCegarLoop]: Abstraction has 342 states and 472 transitions. [2023-11-29 02:33:04,979 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.4) internal successors, (94), 10 states have internal predecessors, (94), 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 02:33:04,979 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 472 transitions. [2023-11-29 02:33:04,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2023-11-29 02:33:04,981 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:33:04,981 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:33:04,987 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-11-29 02:33:05,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-29 02:33:05,182 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:33:05,182 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:33:05,182 INFO L85 PathProgramCache]: Analyzing trace with hash 1111789168, now seen corresponding path program 1 times [2023-11-29 02:33:05,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:33:05,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103712507] [2023-11-29 02:33:05,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:33:05,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:33:05,206 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:33:05,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1639637733] [2023-11-29 02:33:05,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:33:05,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:33:05,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:33:05,208 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:33:05,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-29 02:33:05,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:33:05,384 INFO L262 TraceCheckSpWp]: Trace formula consists of 559 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-29 02:33:05,389 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:33:06,616 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2023-11-29 02:33:06,617 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:33:06,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:33:06,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103712507] [2023-11-29 02:33:06,617 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 02:33:06,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1639637733] [2023-11-29 02:33:06,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1639637733] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:33:06,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:33:06,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 02:33:06,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496265490] [2023-11-29 02:33:06,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:33:06,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 02:33:06,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:33:06,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 02:33:06,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2023-11-29 02:33:06,619 INFO L87 Difference]: Start difference. First operand 342 states and 472 transitions. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2023-11-29 02:33:06,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:33:06,938 INFO L93 Difference]: Finished difference Result 805 states and 1108 transitions. [2023-11-29 02:33:06,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-29 02:33:06,938 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 241 [2023-11-29 02:33:06,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:33:06,942 INFO L225 Difference]: With dead ends: 805 [2023-11-29 02:33:06,942 INFO L226 Difference]: Without dead ends: 464 [2023-11-29 02:33:06,943 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=110, Invalid=232, Unknown=0, NotChecked=0, Total=342 [2023-11-29 02:33:06,944 INFO L413 NwaCegarLoop]: 151 mSDtfsCounter, 253 mSDsluCounter, 595 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 746 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:33:06,944 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [253 Valid, 746 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 02:33:06,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2023-11-29 02:33:07,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 385. [2023-11-29 02:33:07,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 385 states, 292 states have (on average 1.297945205479452) internal successors, (379), 292 states have internal predecessors, (379), 76 states have call successors, (76), 16 states have call predecessors, (76), 16 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2023-11-29 02:33:07,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 531 transitions. [2023-11-29 02:33:07,004 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 531 transitions. Word has length 241 [2023-11-29 02:33:07,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:33:07,004 INFO L495 AbstractCegarLoop]: Abstraction has 385 states and 531 transitions. [2023-11-29 02:33:07,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2023-11-29 02:33:07,005 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 531 transitions. [2023-11-29 02:33:07,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2023-11-29 02:33:07,007 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:33:07,007 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:33:07,013 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-11-29 02:33:07,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-11-29 02:33:07,208 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:33:07,208 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:33:07,208 INFO L85 PathProgramCache]: Analyzing trace with hash 1369954606, now seen corresponding path program 1 times [2023-11-29 02:33:07,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:33:07,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104996114] [2023-11-29 02:33:07,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:33:07,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:33:07,240 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:33:07,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1653659437] [2023-11-29 02:33:07,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:33:07,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:33:07,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:33:07,241 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:33:07,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-29 02:33:07,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:33:07,465 INFO L262 TraceCheckSpWp]: Trace formula consists of 557 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-29 02:33:07,473 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:33:09,307 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2023-11-29 02:33:09,307 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:33:09,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:33:09,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104996114] [2023-11-29 02:33:09,308 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 02:33:09,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1653659437] [2023-11-29 02:33:09,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1653659437] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:33:09,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:33:09,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 02:33:09,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023461864] [2023-11-29 02:33:09,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:33:09,308 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 02:33:09,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:33:09,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 02:33:09,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2023-11-29 02:33:09,309 INFO L87 Difference]: Start difference. First operand 385 states and 531 transitions. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2023-11-29 02:33:10,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:33:10,212 INFO L93 Difference]: Finished difference Result 848 states and 1165 transitions. [2023-11-29 02:33:10,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-29 02:33:10,213 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 241 [2023-11-29 02:33:10,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:33:10,216 INFO L225 Difference]: With dead ends: 848 [2023-11-29 02:33:10,216 INFO L226 Difference]: Without dead ends: 464 [2023-11-29 02:33:10,217 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=110, Invalid=232, Unknown=0, NotChecked=0, Total=342 [2023-11-29 02:33:10,218 INFO L413 NwaCegarLoop]: 174 mSDtfsCounter, 207 mSDsluCounter, 792 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 966 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 02:33:10,218 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 966 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 02:33:10,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2023-11-29 02:33:10,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 385. [2023-11-29 02:33:10,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 385 states, 292 states have (on average 1.297945205479452) internal successors, (379), 292 states have internal predecessors, (379), 76 states have call successors, (76), 16 states have call predecessors, (76), 16 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2023-11-29 02:33:10,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 531 transitions. [2023-11-29 02:33:10,277 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 531 transitions. Word has length 241 [2023-11-29 02:33:10,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:33:10,277 INFO L495 AbstractCegarLoop]: Abstraction has 385 states and 531 transitions. [2023-11-29 02:33:10,278 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2023-11-29 02:33:10,278 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 531 transitions. [2023-11-29 02:33:10,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2023-11-29 02:33:10,279 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:33:10,280 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:33:10,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2023-11-29 02:33:10,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-29 02:33:10,480 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:33:10,481 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:33:10,481 INFO L85 PathProgramCache]: Analyzing trace with hash 1896602831, now seen corresponding path program 1 times [2023-11-29 02:33:10,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:33:10,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757194775] [2023-11-29 02:33:10,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:33:10,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:33:10,512 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:33:10,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [883049691] [2023-11-29 02:33:10,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:33:10,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:33:10,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:33:10,513 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:33:10,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-29 02:33:10,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:33:10,720 INFO L262 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-29 02:33:10,726 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:33:10,929 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2023-11-29 02:33:10,929 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:33:10,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:33:10,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757194775] [2023-11-29 02:33:10,929 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 02:33:10,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [883049691] [2023-11-29 02:33:10,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [883049691] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:33:10,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:33:10,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 02:33:10,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012157328] [2023-11-29 02:33:10,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:33:10,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 02:33:10,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:33:10,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 02:33:10,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:33:10,931 INFO L87 Difference]: Start difference. First operand 385 states and 531 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2023-11-29 02:33:11,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:33:11,164 INFO L93 Difference]: Finished difference Result 803 states and 1106 transitions. [2023-11-29 02:33:11,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:33:11,164 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 242 [2023-11-29 02:33:11,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:33:11,167 INFO L225 Difference]: With dead ends: 803 [2023-11-29 02:33:11,167 INFO L226 Difference]: Without dead ends: 597 [2023-11-29 02:33:11,168 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-29 02:33:11,169 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 135 mSDsluCounter, 408 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 587 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 02:33:11,169 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 587 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 02:33:11,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2023-11-29 02:33:11,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 489. [2023-11-29 02:33:11,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 489 states, 350 states have (on average 1.2542857142857142) internal successors, (439), 350 states have internal predecessors, (439), 114 states have call successors, (114), 24 states have call predecessors, (114), 24 states have return successors, (114), 114 states have call predecessors, (114), 114 states have call successors, (114) [2023-11-29 02:33:11,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 667 transitions. [2023-11-29 02:33:11,221 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 667 transitions. Word has length 242 [2023-11-29 02:33:11,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:33:11,222 INFO L495 AbstractCegarLoop]: Abstraction has 489 states and 667 transitions. [2023-11-29 02:33:11,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2023-11-29 02:33:11,222 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 667 transitions. [2023-11-29 02:33:11,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2023-11-29 02:33:11,223 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:33:11,223 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:33:11,229 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2023-11-29 02:33:11,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-29 02:33:11,424 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:33:11,424 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:33:11,425 INFO L85 PathProgramCache]: Analyzing trace with hash 927490083, now seen corresponding path program 1 times [2023-11-29 02:33:11,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:33:11,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394140491] [2023-11-29 02:33:11,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:33:11,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:33:11,455 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:33:11,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1300647391] [2023-11-29 02:33:11,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:33:11,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:33:11,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:33:11,456 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:33:11,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-29 02:33:11,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:33:11,708 INFO L262 TraceCheckSpWp]: Trace formula consists of 557 conjuncts, 37 conjunts are in the unsatisfiable core [2023-11-29 02:33:11,713 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:33:14,716 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 1220 proven. 426 refuted. 0 times theorem prover too weak. 1166 trivial. 0 not checked. [2023-11-29 02:33:14,716 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:33:18,037 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 42 proven. 384 refuted. 0 times theorem prover too weak. 2386 trivial. 0 not checked. [2023-11-29 02:33:18,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:33:18,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394140491] [2023-11-29 02:33:18,038 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 02:33:18,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1300647391] [2023-11-29 02:33:18,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1300647391] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:33:18,038 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 02:33:18,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 22] total 43 [2023-11-29 02:33:18,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868600344] [2023-11-29 02:33:18,039 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 02:33:18,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2023-11-29 02:33:18,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:33:18,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2023-11-29 02:33:18,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=479, Invalid=1327, Unknown=0, NotChecked=0, Total=1806 [2023-11-29 02:33:18,042 INFO L87 Difference]: Start difference. First operand 489 states and 667 transitions. Second operand has 43 states, 41 states have (on average 3.2439024390243905) internal successors, (133), 39 states have internal predecessors, (133), 9 states have call successors, (74), 6 states have call predecessors, (74), 12 states have return successors, (75), 9 states have call predecessors, (75), 9 states have call successors, (75) [2023-11-29 02:33:21,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:33:21,272 INFO L93 Difference]: Finished difference Result 1160 states and 1580 transitions. [2023-11-29 02:33:21,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2023-11-29 02:33:21,273 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 41 states have (on average 3.2439024390243905) internal successors, (133), 39 states have internal predecessors, (133), 9 states have call successors, (74), 6 states have call predecessors, (74), 12 states have return successors, (75), 9 states have call predecessors, (75), 9 states have call successors, (75) Word has length 242 [2023-11-29 02:33:21,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:33:21,277 INFO L225 Difference]: With dead ends: 1160 [2023-11-29 02:33:21,277 INFO L226 Difference]: Without dead ends: 776 [2023-11-29 02:33:21,280 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 522 GetRequests, 440 SyntacticMatches, 1 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1900 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=1748, Invalid=5058, Unknown=0, NotChecked=0, Total=6806 [2023-11-29 02:33:21,280 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 963 mSDsluCounter, 1244 mSDsCounter, 0 mSdLazyCounter, 1861 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 963 SdHoareTripleChecker+Valid, 1374 SdHoareTripleChecker+Invalid, 1923 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 1861 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-29 02:33:21,281 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [963 Valid, 1374 Invalid, 1923 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 1861 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-29 02:33:21,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 776 states. [2023-11-29 02:33:21,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 776 to 514. [2023-11-29 02:33:21,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 514 states, 372 states have (on average 1.2580645161290323) internal successors, (468), 372 states have internal predecessors, (468), 114 states have call successors, (114), 27 states have call predecessors, (114), 27 states have return successors, (114), 114 states have call predecessors, (114), 114 states have call successors, (114) [2023-11-29 02:33:21,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 696 transitions. [2023-11-29 02:33:21,374 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 696 transitions. Word has length 242 [2023-11-29 02:33:21,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:33:21,374 INFO L495 AbstractCegarLoop]: Abstraction has 514 states and 696 transitions. [2023-11-29 02:33:21,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 41 states have (on average 3.2439024390243905) internal successors, (133), 39 states have internal predecessors, (133), 9 states have call successors, (74), 6 states have call predecessors, (74), 12 states have return successors, (75), 9 states have call predecessors, (75), 9 states have call successors, (75) [2023-11-29 02:33:21,375 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 696 transitions. [2023-11-29 02:33:21,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2023-11-29 02:33:21,376 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:33:21,377 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:33:21,383 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2023-11-29 02:33:21,577 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-29 02:33:21,577 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:33:21,578 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:33:21,578 INFO L85 PathProgramCache]: Analyzing trace with hash 1514296097, now seen corresponding path program 1 times [2023-11-29 02:33:21,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:33:21,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390464867] [2023-11-29 02:33:21,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:33:21,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:33:21,608 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:33:21,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1618957240] [2023-11-29 02:33:21,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:33:21,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:33:21,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:33:21,610 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:33:21,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-11-29 02:33:21,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:33:21,862 INFO L262 TraceCheckSpWp]: Trace formula consists of 560 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-29 02:33:21,865 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:33:23,143 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 1337 proven. 138 refuted. 0 times theorem prover too weak. 1337 trivial. 0 not checked. [2023-11-29 02:33:23,143 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:33:23,827 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 42 proven. 69 refuted. 0 times theorem prover too weak. 2701 trivial. 0 not checked. [2023-11-29 02:33:23,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:33:23,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390464867] [2023-11-29 02:33:23,827 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 02:33:23,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1618957240] [2023-11-29 02:33:23,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1618957240] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:33:23,827 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 02:33:23,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 24 [2023-11-29 02:33:23,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779854921] [2023-11-29 02:33:23,828 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 02:33:23,829 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-11-29 02:33:23,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:33:23,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-11-29 02:33:23,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=399, Unknown=0, NotChecked=0, Total=552 [2023-11-29 02:33:23,830 INFO L87 Difference]: Start difference. First operand 514 states and 696 transitions. Second operand has 24 states, 23 states have (on average 5.0) internal successors, (115), 22 states have internal predecessors, (115), 6 states have call successors, (76), 4 states have call predecessors, (76), 6 states have return successors, (76), 6 states have call predecessors, (76), 6 states have call successors, (76) [2023-11-29 02:33:26,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:33:26,019 INFO L93 Difference]: Finished difference Result 1542 states and 2134 transitions. [2023-11-29 02:33:26,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-11-29 02:33:26,019 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 5.0) internal successors, (115), 22 states have internal predecessors, (115), 6 states have call successors, (76), 4 states have call predecessors, (76), 6 states have return successors, (76), 6 states have call predecessors, (76), 6 states have call successors, (76) Word has length 242 [2023-11-29 02:33:26,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:33:26,025 INFO L225 Difference]: With dead ends: 1542 [2023-11-29 02:33:26,025 INFO L226 Difference]: Without dead ends: 1137 [2023-11-29 02:33:26,026 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 506 GetRequests, 461 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 573 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=553, Invalid=1609, Unknown=0, NotChecked=0, Total=2162 [2023-11-29 02:33:26,027 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 649 mSDsluCounter, 1330 mSDsCounter, 0 mSdLazyCounter, 2007 mSolverCounterSat, 182 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 721 SdHoareTripleChecker+Valid, 1463 SdHoareTripleChecker+Invalid, 2189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 182 IncrementalHoareTripleChecker+Valid, 2007 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-29 02:33:26,027 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [721 Valid, 1463 Invalid, 2189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [182 Valid, 2007 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-29 02:33:26,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1137 states. [2023-11-29 02:33:26,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1137 to 716. [2023-11-29 02:33:26,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 716 states, 525 states have (on average 1.2552380952380953) internal successors, (659), 525 states have internal predecessors, (659), 152 states have call successors, (152), 38 states have call predecessors, (152), 38 states have return successors, (152), 152 states have call predecessors, (152), 152 states have call successors, (152) [2023-11-29 02:33:26,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 963 transitions. [2023-11-29 02:33:26,158 INFO L78 Accepts]: Start accepts. Automaton has 716 states and 963 transitions. Word has length 242 [2023-11-29 02:33:26,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:33:26,159 INFO L495 AbstractCegarLoop]: Abstraction has 716 states and 963 transitions. [2023-11-29 02:33:26,159 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 5.0) internal successors, (115), 22 states have internal predecessors, (115), 6 states have call successors, (76), 4 states have call predecessors, (76), 6 states have return successors, (76), 6 states have call predecessors, (76), 6 states have call successors, (76) [2023-11-29 02:33:26,160 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 963 transitions. [2023-11-29 02:33:26,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2023-11-29 02:33:26,161 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:33:26,161 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:33:26,167 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-11-29 02:33:26,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-11-29 02:33:26,362 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:33:26,362 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:33:26,362 INFO L85 PathProgramCache]: Analyzing trace with hash -1963459909, now seen corresponding path program 1 times [2023-11-29 02:33:26,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:33:26,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563749894] [2023-11-29 02:33:26,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:33:26,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:33:26,392 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:33:26,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1956836777] [2023-11-29 02:33:26,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:33:26,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:33:26,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:33:26,393 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:33:26,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-11-29 02:33:26,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:33:26,606 INFO L262 TraceCheckSpWp]: Trace formula consists of 562 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 02:33:26,611 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:33:26,853 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2023-11-29 02:33:26,853 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:33:26,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:33:26,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563749894] [2023-11-29 02:33:26,854 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 02:33:26,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1956836777] [2023-11-29 02:33:26,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1956836777] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:33:26,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:33:26,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 02:33:26,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426441679] [2023-11-29 02:33:26,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:33:26,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 02:33:26,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:33:26,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 02:33:26,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 02:33:26,856 INFO L87 Difference]: Start difference. First operand 716 states and 963 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2023-11-29 02:33:27,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:33:27,057 INFO L93 Difference]: Finished difference Result 1319 states and 1783 transitions. [2023-11-29 02:33:27,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:33:27,058 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 243 [2023-11-29 02:33:27,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:33:27,062 INFO L225 Difference]: With dead ends: 1319 [2023-11-29 02:33:27,062 INFO L226 Difference]: Without dead ends: 716 [2023-11-29 02:33:27,064 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:33:27,064 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 131 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:33:27,065 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 160 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 02:33:27,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2023-11-29 02:33:27,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 716. [2023-11-29 02:33:27,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 716 states, 525 states have (on average 1.2323809523809524) internal successors, (647), 525 states have internal predecessors, (647), 152 states have call successors, (152), 38 states have call predecessors, (152), 38 states have return successors, (152), 152 states have call predecessors, (152), 152 states have call successors, (152) [2023-11-29 02:33:27,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 951 transitions. [2023-11-29 02:33:27,198 INFO L78 Accepts]: Start accepts. Automaton has 716 states and 951 transitions. Word has length 243 [2023-11-29 02:33:27,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:33:27,199 INFO L495 AbstractCegarLoop]: Abstraction has 716 states and 951 transitions. [2023-11-29 02:33:27,199 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2023-11-29 02:33:27,199 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 951 transitions. [2023-11-29 02:33:27,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2023-11-29 02:33:27,201 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:33:27,201 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:33:27,208 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2023-11-29 02:33:27,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-11-29 02:33:27,402 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:33:27,402 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:33:27,402 INFO L85 PathProgramCache]: Analyzing trace with hash -1154113283, now seen corresponding path program 1 times [2023-11-29 02:33:27,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:33:27,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641067520] [2023-11-29 02:33:27,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:33:27,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:33:27,430 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:33:27,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1275024057] [2023-11-29 02:33:27,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:33:27,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:33:27,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:33:27,432 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:33:27,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-11-29 02:33:27,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:33:27,728 INFO L262 TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 58 conjunts are in the unsatisfiable core [2023-11-29 02:33:27,736 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:33:32,954 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 1127 proven. 606 refuted. 0 times theorem prover too weak. 1079 trivial. 0 not checked. [2023-11-29 02:33:32,954 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:35:31,563 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 90 proven. 531 refuted. 0 times theorem prover too weak. 2191 trivial. 0 not checked. [2023-11-29 02:35:31,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:35:31,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641067520] [2023-11-29 02:35:31,564 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 02:35:31,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1275024057] [2023-11-29 02:35:31,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1275024057] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:35:31,564 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 02:35:31,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 31] total 62 [2023-11-29 02:35:31,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795270539] [2023-11-29 02:35:31,565 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 02:35:31,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2023-11-29 02:35:31,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:35:31,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2023-11-29 02:35:31,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=976, Invalid=2806, Unknown=0, NotChecked=0, Total=3782 [2023-11-29 02:35:31,569 INFO L87 Difference]: Start difference. First operand 716 states and 951 transitions. Second operand has 62 states, 59 states have (on average 2.542372881355932) internal successors, (150), 56 states have internal predecessors, (150), 15 states have call successors, (74), 9 states have call predecessors, (74), 17 states have return successors, (75), 15 states have call predecessors, (75), 15 states have call successors, (75) [2023-11-29 02:36:20,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:36:20,587 INFO L93 Difference]: Finished difference Result 1957 states and 2589 transitions. [2023-11-29 02:36:20,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2023-11-29 02:36:20,590 INFO L78 Accepts]: Start accepts. Automaton has has 62 states, 59 states have (on average 2.542372881355932) internal successors, (150), 56 states have internal predecessors, (150), 15 states have call successors, (74), 9 states have call predecessors, (74), 17 states have return successors, (75), 15 states have call predecessors, (75), 15 states have call successors, (75) Word has length 243 [2023-11-29 02:36:20,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:36:20,595 INFO L225 Difference]: With dead ends: 1957 [2023-11-29 02:36:20,595 INFO L226 Difference]: Without dead ends: 1354 [2023-11-29 02:36:20,600 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 550 GetRequests, 422 SyntacticMatches, 2 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4963 ImplicationChecksByTransitivity, 62.9s TimeCoverageRelationStatistics Valid=4104, Invalid=12152, Unknown=0, NotChecked=0, Total=16256 [2023-11-29 02:36:20,601 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 1875 mSDsluCounter, 1715 mSDsCounter, 0 mSdLazyCounter, 2985 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1875 SdHoareTripleChecker+Valid, 1857 SdHoareTripleChecker+Invalid, 3108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 2985 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.9s IncrementalHoareTripleChecker+Time [2023-11-29 02:36:20,601 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1875 Valid, 1857 Invalid, 3108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 2985 Invalid, 0 Unknown, 0 Unchecked, 24.9s Time] [2023-11-29 02:36:20,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1354 states. [2023-11-29 02:36:20,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1354 to 781. [2023-11-29 02:36:20,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 781 states, 584 states have (on average 1.2431506849315068) internal successors, (726), 584 states have internal predecessors, (726), 152 states have call successors, (152), 44 states have call predecessors, (152), 44 states have return successors, (152), 152 states have call predecessors, (152), 152 states have call successors, (152) [2023-11-29 02:36:20,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 781 states and 1030 transitions. [2023-11-29 02:36:20,749 INFO L78 Accepts]: Start accepts. Automaton has 781 states and 1030 transitions. Word has length 243 [2023-11-29 02:36:20,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:36:20,750 INFO L495 AbstractCegarLoop]: Abstraction has 781 states and 1030 transitions. [2023-11-29 02:36:20,750 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 59 states have (on average 2.542372881355932) internal successors, (150), 56 states have internal predecessors, (150), 15 states have call successors, (74), 9 states have call predecessors, (74), 17 states have return successors, (75), 15 states have call predecessors, (75), 15 states have call successors, (75) [2023-11-29 02:36:20,750 INFO L276 IsEmpty]: Start isEmpty. Operand 781 states and 1030 transitions. [2023-11-29 02:36:20,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2023-11-29 02:36:20,752 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:36:20,752 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:36:20,759 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2023-11-29 02:36:20,952 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-11-29 02:36:20,953 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:36:20,953 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:36:20,953 INFO L85 PathProgramCache]: Analyzing trace with hash 1543201062, now seen corresponding path program 1 times [2023-11-29 02:36:20,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:36:20,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307437745] [2023-11-29 02:36:20,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:36:20,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:36:20,979 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:36:20,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [546577045] [2023-11-29 02:36:20,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:36:20,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:36:20,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:36:20,980 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:36:20,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-11-29 02:36:21,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:36:21,186 INFO L262 TraceCheckSpWp]: Trace formula consists of 560 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 02:36:21,189 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:36:21,638 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 321 proven. 105 refuted. 0 times theorem prover too weak. 2386 trivial. 0 not checked. [2023-11-29 02:36:21,638 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:36:21,903 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 6 proven. 105 refuted. 0 times theorem prover too weak. 2701 trivial. 0 not checked. [2023-11-29 02:36:21,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:36:21,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307437745] [2023-11-29 02:36:21,903 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 02:36:21,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [546577045] [2023-11-29 02:36:21,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [546577045] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:36:21,904 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 02:36:21,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2023-11-29 02:36:21,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598134226] [2023-11-29 02:36:21,904 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 02:36:21,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 02:36:21,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:36:21,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 02:36:21,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-29 02:36:21,906 INFO L87 Difference]: Start difference. First operand 781 states and 1030 transitions. Second operand has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 2 states have call successors, (73), 2 states have call predecessors, (73), 4 states have return successors, (74), 2 states have call predecessors, (74), 2 states have call successors, (74) [2023-11-29 02:36:22,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:36:22,625 INFO L93 Difference]: Finished difference Result 1789 states and 2332 transitions. [2023-11-29 02:36:22,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 02:36:22,626 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 2 states have call successors, (73), 2 states have call predecessors, (73), 4 states have return successors, (74), 2 states have call predecessors, (74), 2 states have call successors, (74) Word has length 243 [2023-11-29 02:36:22,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:36:22,631 INFO L225 Difference]: With dead ends: 1789 [2023-11-29 02:36:22,631 INFO L226 Difference]: Without dead ends: 1125 [2023-11-29 02:36:22,633 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 495 GetRequests, 477 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=203, Unknown=0, NotChecked=0, Total=306 [2023-11-29 02:36:22,633 INFO L413 NwaCegarLoop]: 149 mSDtfsCounter, 221 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 280 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 468 SdHoareTripleChecker+Invalid, 380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 02:36:22,633 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 468 Invalid, 380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 280 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-29 02:36:22,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1125 states. [2023-11-29 02:36:22,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1125 to 737. [2023-11-29 02:36:22,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 737 states, 540 states have (on average 1.2259259259259259) internal successors, (662), 540 states have internal predecessors, (662), 152 states have call successors, (152), 44 states have call predecessors, (152), 44 states have return successors, (152), 152 states have call predecessors, (152), 152 states have call successors, (152) [2023-11-29 02:36:22,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 737 states and 966 transitions. [2023-11-29 02:36:22,755 INFO L78 Accepts]: Start accepts. Automaton has 737 states and 966 transitions. Word has length 243 [2023-11-29 02:36:22,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:36:22,755 INFO L495 AbstractCegarLoop]: Abstraction has 737 states and 966 transitions. [2023-11-29 02:36:22,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 2 states have call successors, (73), 2 states have call predecessors, (73), 4 states have return successors, (74), 2 states have call predecessors, (74), 2 states have call successors, (74) [2023-11-29 02:36:22,756 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 966 transitions. [2023-11-29 02:36:22,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2023-11-29 02:36:22,757 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:36:22,757 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:36:22,763 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2023-11-29 02:36:22,957 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-11-29 02:36:22,958 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:36:22,958 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:36:22,958 INFO L85 PathProgramCache]: Analyzing trace with hash -1579132290, now seen corresponding path program 1 times [2023-11-29 02:36:22,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:36:22,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571099391] [2023-11-29 02:36:22,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:36:22,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:36:22,985 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:36:22,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [657373913] [2023-11-29 02:36:22,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:36:22,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:36:22,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:36:22,986 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:36:22,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-11-29 02:36:23,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:36:23,257 INFO L262 TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-29 02:36:23,262 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:36:24,026 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2023-11-29 02:36:24,026 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:36:24,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:36:24,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571099391] [2023-11-29 02:36:24,026 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 02:36:24,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [657373913] [2023-11-29 02:36:24,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [657373913] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:36:24,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:36:24,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 02:36:24,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886534966] [2023-11-29 02:36:24,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:36:24,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 02:36:24,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:36:24,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 02:36:24,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:36:24,028 INFO L87 Difference]: Start difference. First operand 737 states and 966 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2023-11-29 02:36:24,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:36:24,448 INFO L93 Difference]: Finished difference Result 1411 states and 1858 transitions. [2023-11-29 02:36:24,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:36:24,449 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 243 [2023-11-29 02:36:24,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:36:24,454 INFO L225 Difference]: With dead ends: 1411 [2023-11-29 02:36:24,454 INFO L226 Difference]: Without dead ends: 789 [2023-11-29 02:36:24,456 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-29 02:36:24,457 INFO L413 NwaCegarLoop]: 158 mSDtfsCounter, 121 mSDsluCounter, 391 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 549 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 02:36:24,457 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 549 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 02:36:24,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 789 states. [2023-11-29 02:36:24,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 789 to 735. [2023-11-29 02:36:24,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 735 states, 538 states have (on average 1.224907063197026) internal successors, (659), 538 states have internal predecessors, (659), 152 states have call successors, (152), 44 states have call predecessors, (152), 44 states have return successors, (152), 152 states have call predecessors, (152), 152 states have call successors, (152) [2023-11-29 02:36:24,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 735 states and 963 transitions. [2023-11-29 02:36:24,621 INFO L78 Accepts]: Start accepts. Automaton has 735 states and 963 transitions. Word has length 243 [2023-11-29 02:36:24,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:36:24,622 INFO L495 AbstractCegarLoop]: Abstraction has 735 states and 963 transitions. [2023-11-29 02:36:24,622 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2023-11-29 02:36:24,622 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 963 transitions. [2023-11-29 02:36:24,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2023-11-29 02:36:24,624 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:36:24,624 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:36:24,630 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2023-11-29 02:36:24,824 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:36:24,826 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:36:24,826 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:36:24,827 INFO L85 PathProgramCache]: Analyzing trace with hash 2109454716, now seen corresponding path program 1 times [2023-11-29 02:36:24,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:36:24,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47165938] [2023-11-29 02:36:24,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:36:24,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:36:24,895 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:36:24,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [261048838] [2023-11-29 02:36:24,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:36:24,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:36:24,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:36:24,896 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:36:24,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2023-11-29 02:36:25,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:36:25,148 INFO L262 TraceCheckSpWp]: Trace formula consists of 563 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-29 02:36:25,150 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:36:26,309 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 1337 proven. 138 refuted. 0 times theorem prover too weak. 1337 trivial. 0 not checked. [2023-11-29 02:36:26,309 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:36:26,821 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 78 proven. 141 refuted. 0 times theorem prover too weak. 2593 trivial. 0 not checked. [2023-11-29 02:36:26,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:36:26,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47165938] [2023-11-29 02:36:26,822 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 02:36:26,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [261048838] [2023-11-29 02:36:26,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [261048838] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:36:26,822 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 02:36:26,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10] total 18 [2023-11-29 02:36:26,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180397593] [2023-11-29 02:36:26,822 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 02:36:26,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-11-29 02:36:26,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:36:26,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-11-29 02:36:26,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=208, Unknown=0, NotChecked=0, Total=306 [2023-11-29 02:36:26,824 INFO L87 Difference]: Start difference. First operand 735 states and 963 transitions. Second operand has 18 states, 17 states have (on average 6.823529411764706) internal successors, (116), 16 states have internal predecessors, (116), 6 states have call successors, (76), 4 states have call predecessors, (76), 7 states have return successors, (76), 6 states have call predecessors, (76), 6 states have call successors, (76) [2023-11-29 02:36:29,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:36:29,865 INFO L93 Difference]: Finished difference Result 3208 states and 4208 transitions. [2023-11-29 02:36:29,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-11-29 02:36:29,866 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 6.823529411764706) internal successors, (116), 16 states have internal predecessors, (116), 6 states have call successors, (76), 4 states have call predecessors, (76), 7 states have return successors, (76), 6 states have call predecessors, (76), 6 states have call successors, (76) Word has length 244 [2023-11-29 02:36:29,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:36:29,876 INFO L225 Difference]: With dead ends: 3208 [2023-11-29 02:36:29,876 INFO L226 Difference]: Without dead ends: 2588 [2023-11-29 02:36:29,878 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 522 GetRequests, 477 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 646 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=727, Invalid=1435, Unknown=0, NotChecked=0, Total=2162 [2023-11-29 02:36:29,879 INFO L413 NwaCegarLoop]: 225 mSDtfsCounter, 1138 mSDsluCounter, 1017 mSDsCounter, 0 mSdLazyCounter, 1462 mSolverCounterSat, 579 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1154 SdHoareTripleChecker+Valid, 1242 SdHoareTripleChecker+Invalid, 2041 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 579 IncrementalHoareTripleChecker+Valid, 1462 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-11-29 02:36:29,879 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1154 Valid, 1242 Invalid, 2041 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [579 Valid, 1462 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-11-29 02:36:29,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2588 states. [2023-11-29 02:36:30,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2588 to 1297. [2023-11-29 02:36:30,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1297 states, 953 states have (on average 1.2214060860440714) internal successors, (1164), 953 states have internal predecessors, (1164), 266 states have call successors, (266), 77 states have call predecessors, (266), 77 states have return successors, (266), 266 states have call predecessors, (266), 266 states have call successors, (266) [2023-11-29 02:36:30,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1297 states to 1297 states and 1696 transitions. [2023-11-29 02:36:30,147 INFO L78 Accepts]: Start accepts. Automaton has 1297 states and 1696 transitions. Word has length 244 [2023-11-29 02:36:30,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:36:30,147 INFO L495 AbstractCegarLoop]: Abstraction has 1297 states and 1696 transitions. [2023-11-29 02:36:30,148 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 6.823529411764706) internal successors, (116), 16 states have internal predecessors, (116), 6 states have call successors, (76), 4 states have call predecessors, (76), 7 states have return successors, (76), 6 states have call predecessors, (76), 6 states have call successors, (76) [2023-11-29 02:36:30,148 INFO L276 IsEmpty]: Start isEmpty. Operand 1297 states and 1696 transitions. [2023-11-29 02:36:30,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2023-11-29 02:36:30,149 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:36:30,149 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:36:30,156 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2023-11-29 02:36:30,349 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:36:30,350 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:36:30,350 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:36:30,350 INFO L85 PathProgramCache]: Analyzing trace with hash -500521980, now seen corresponding path program 1 times [2023-11-29 02:36:30,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:36:30,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136516765] [2023-11-29 02:36:30,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:36:30,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:36:30,373 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:36:30,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [38768828] [2023-11-29 02:36:30,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:36:30,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:36:30,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:36:30,374 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:36:30,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2023-11-29 02:36:30,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 02:36:30,803 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 02:36:31,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 02:36:31,248 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 02:36:31,249 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 02:36:31,250 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 02:36:31,260 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2023-11-29 02:36:31,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:36:31,454 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 02:36:31,457 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 02:36:31,580 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-29 02:36:31,583 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short31 could not be translated [2023-11-29 02:36:31,583 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short31 could not be translated [2023-11-29 02:36:31,584 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet29 could not be translated [2023-11-29 02:36:31,584 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short31 could not be translated [2023-11-29 02:36:31,584 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short31 could not be translated [2023-11-29 02:36:31,584 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet29 could not be translated [2023-11-29 02:36:31,584 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite30 could not be translated [2023-11-29 02:36:31,585 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite30 could not be translated [2023-11-29 02:36:31,585 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short31 could not be translated [2023-11-29 02:36:31,585 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet29 could not be translated [2023-11-29 02:36:31,617 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 02:36:31 BoogieIcfgContainer [2023-11-29 02:36:31,618 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 02:36:31,618 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 02:36:31,618 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 02:36:31,618 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 02:36:31,619 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:32:31" (3/4) ... [2023-11-29 02:36:31,621 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 02:36:31,622 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 02:36:31,622 INFO L158 Benchmark]: Toolchain (without parser) took 241460.92ms. Allocated memory was 138.4MB in the beginning and 570.4MB in the end (delta: 432.0MB). Free memory was 72.9MB in the beginning and 463.2MB in the end (delta: -390.3MB). Peak memory consumption was 43.0MB. Max. memory is 16.1GB. [2023-11-29 02:36:31,622 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 138.4MB. Free memory is still 111.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:36:31,623 INFO L158 Benchmark]: CACSL2BoogieTranslator took 372.32ms. Allocated memory is still 138.4MB. Free memory was 72.7MB in the beginning and 55.5MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-29 02:36:31,623 INFO L158 Benchmark]: Boogie Procedure Inliner took 119.50ms. Allocated memory was 138.4MB in the beginning and 218.1MB in the end (delta: 79.7MB). Free memory was 55.5MB in the beginning and 185.6MB in the end (delta: -130.1MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. [2023-11-29 02:36:31,623 INFO L158 Benchmark]: Boogie Preprocessor took 71.89ms. Allocated memory is still 218.1MB. Free memory was 185.6MB in the beginning and 177.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-29 02:36:31,624 INFO L158 Benchmark]: RCFGBuilder took 621.04ms. Allocated memory is still 218.1MB. Free memory was 177.2MB in the beginning and 139.5MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-11-29 02:36:31,624 INFO L158 Benchmark]: TraceAbstraction took 240264.84ms. Allocated memory was 218.1MB in the beginning and 570.4MB in the end (delta: 352.3MB). Free memory was 138.4MB in the beginning and 463.2MB in the end (delta: -324.8MB). Peak memory consumption was 311.6MB. Max. memory is 16.1GB. [2023-11-29 02:36:31,624 INFO L158 Benchmark]: Witness Printer took 3.48ms. Allocated memory is still 570.4MB. Free memory is still 463.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:36:31,626 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 138.4MB. Free memory is still 111.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 372.32ms. Allocated memory is still 138.4MB. Free memory was 72.7MB in the beginning and 55.5MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 119.50ms. Allocated memory was 138.4MB in the beginning and 218.1MB in the end (delta: 79.7MB). Free memory was 55.5MB in the beginning and 185.6MB in the end (delta: -130.1MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.89ms. Allocated memory is still 218.1MB. Free memory was 185.6MB in the beginning and 177.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 621.04ms. Allocated memory is still 218.1MB. Free memory was 177.2MB in the beginning and 139.5MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * TraceAbstraction took 240264.84ms. Allocated memory was 218.1MB in the beginning and 570.4MB in the end (delta: 352.3MB). Free memory was 138.4MB in the beginning and 463.2MB in the end (delta: -324.8MB). Peak memory consumption was 311.6MB. Max. memory is 16.1GB. * Witness Printer took 3.48ms. Allocated memory is still 570.4MB. Free memory is still 463.2MB. 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~short31 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short31 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet29 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short31 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short31 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet29 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite30 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite30 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short31 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet29 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 227, overapproximation of someBinaryArithmeticDOUBLEoperation at line 135. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] unsigned char var_1_5 = 1; [L24] unsigned char var_1_6 = 1; [L25] unsigned char var_1_7 = 0; [L26] unsigned char var_1_8 = 128; [L27] unsigned short int var_1_10 = 5; [L28] unsigned char var_1_11 = 10; [L29] unsigned short int var_1_12 = 8; [L30] unsigned short int var_1_13 = 22843; [L31] unsigned char var_1_14 = 4; [L32] unsigned char var_1_15 = 128; [L33] unsigned char var_1_16 = 32; [L34] unsigned short int var_1_17 = 4; [L35] unsigned char var_1_18 = 25; [L36] double var_1_19 = 16.875; [L37] double var_1_20 = 15.475; [L38] double var_1_21 = 7.1; [L39] double var_1_22 = 256.5; [L40] double var_1_23 = 9.4; [L41] double var_1_24 = 4.75; [L42] double var_1_25 = 4.8; [L43] double var_1_26 = 128.5; [L44] unsigned char var_1_27 = 100; [L45] signed char var_1_28 = 0; [L46] signed char var_1_29 = 8; [L47] unsigned char var_1_30 = 0; [L48] unsigned long int var_1_31 = 5; [L49] unsigned long int var_1_32 = 2657034370; [L50] double var_1_33 = 0.0; [L51] double var_1_34 = 50.6; [L52] double var_1_35 = 0.0; [L53] double var_1_36 = 49.25; [L54] signed char var_1_37 = 100; [L55] signed char var_1_38 = 4; [L56] signed char var_1_39 = -4; [L57] signed long int var_1_40 = -8; [L58] unsigned short int last_1_var_1_12 = 8; [L59] unsigned short int last_1_var_1_17 = 4; [L60] unsigned char last_1_var_1_27 = 100; [L61] unsigned char last_1_var_1_30 = 0; [L62] unsigned long int last_1_var_1_31 = 5; [L63] signed char last_1_var_1_37 = 100; [L64] signed long int last_1_var_1_40 = -8; [L231] isInitial = 1 [L232] FCALL initially() [L233] COND TRUE 1 [L234] CALL updateLastVariables() [L218] last_1_var_1_12 = var_1_12 [L219] last_1_var_1_17 = var_1_17 [L220] last_1_var_1_27 = var_1_27 [L221] last_1_var_1_30 = var_1_30 [L222] last_1_var_1_31 = var_1_31 [L223] last_1_var_1_37 = var_1_37 [L224] last_1_var_1_40 = var_1_40 [L234] RET updateLastVariables() [L235] CALL updateVariables() [L154] var_1_5 = __VERIFIER_nondet_uchar() [L155] CALL assume_abort_if_not(var_1_5 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=5, var_1_11=10, var_1_12=8, var_1_13=22843, var_1_14=4, var_1_15=128, var_1_16=32, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_20=619/40, var_1_21=71/10, var_1_22=513/2, var_1_23=47/5, var_1_24=19/4, var_1_25=24/5, var_1_26=257/2, var_1_27=100, var_1_28=0, var_1_29=8, var_1_30=0, var_1_31=5, var_1_32=2657034370, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=5, var_1_11=10, var_1_12=8, var_1_13=22843, var_1_14=4, var_1_15=128, var_1_16=32, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_20=619/40, var_1_21=71/10, var_1_22=513/2, var_1_23=47/5, var_1_24=19/4, var_1_25=24/5, var_1_26=257/2, var_1_27=100, var_1_28=0, var_1_29=8, var_1_30=0, var_1_31=5, var_1_32=2657034370, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L155] RET assume_abort_if_not(var_1_5 >= 1) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=5, var_1_11=10, var_1_12=8, var_1_13=22843, var_1_14=4, var_1_15=128, var_1_16=32, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_20=619/40, var_1_21=71/10, var_1_22=513/2, var_1_23=47/5, var_1_24=19/4, var_1_25=24/5, var_1_26=257/2, var_1_27=100, var_1_28=0, var_1_29=8, var_1_30=0, var_1_31=5, var_1_32=2657034370, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L156] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=5, var_1_11=10, var_1_12=8, var_1_13=22843, var_1_14=4, var_1_15=128, var_1_16=32, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_20=619/40, var_1_21=71/10, var_1_22=513/2, var_1_23=47/5, var_1_24=19/4, var_1_25=24/5, var_1_26=257/2, var_1_27=100, var_1_28=0, var_1_29=8, var_1_30=0, var_1_31=5, var_1_32=2657034370, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=5, var_1_11=10, var_1_12=8, var_1_13=22843, var_1_14=4, var_1_15=128, var_1_16=32, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_20=619/40, var_1_21=71/10, var_1_22=513/2, var_1_23=47/5, var_1_24=19/4, var_1_25=24/5, var_1_26=257/2, var_1_27=100, var_1_28=0, var_1_29=8, var_1_30=0, var_1_31=5, var_1_32=2657034370, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L156] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=5, var_1_11=10, var_1_12=8, var_1_13=22843, var_1_14=4, var_1_15=128, var_1_16=32, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_20=619/40, var_1_21=71/10, var_1_22=513/2, var_1_23=47/5, var_1_24=19/4, var_1_25=24/5, var_1_26=257/2, var_1_27=100, var_1_28=0, var_1_29=8, var_1_30=0, var_1_31=5, var_1_32=2657034370, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L157] var_1_6 = __VERIFIER_nondet_uchar() [L158] CALL assume_abort_if_not(var_1_6 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=5, var_1_11=10, var_1_12=8, var_1_13=22843, var_1_14=4, var_1_15=128, var_1_16=32, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_20=619/40, var_1_21=71/10, var_1_22=513/2, var_1_23=47/5, var_1_24=19/4, var_1_25=24/5, var_1_26=257/2, var_1_27=100, var_1_28=0, var_1_29=8, var_1_30=0, var_1_31=5, var_1_32=2657034370, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=5, var_1_11=10, var_1_12=8, var_1_13=22843, var_1_14=4, var_1_15=128, var_1_16=32, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_20=619/40, var_1_21=71/10, var_1_22=513/2, var_1_23=47/5, var_1_24=19/4, var_1_25=24/5, var_1_26=257/2, var_1_27=100, var_1_28=0, var_1_29=8, var_1_30=0, var_1_31=5, var_1_32=2657034370, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L158] RET assume_abort_if_not(var_1_6 >= 1) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=5, var_1_11=10, var_1_12=8, var_1_13=22843, var_1_14=4, var_1_15=128, var_1_16=32, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_20=619/40, var_1_21=71/10, var_1_22=513/2, var_1_23=47/5, var_1_24=19/4, var_1_25=24/5, var_1_26=257/2, var_1_27=100, var_1_28=0, var_1_29=8, var_1_30=0, var_1_31=5, var_1_32=2657034370, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L159] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=5, var_1_11=10, var_1_12=8, var_1_13=22843, var_1_14=4, var_1_15=128, var_1_16=32, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_20=619/40, var_1_21=71/10, var_1_22=513/2, var_1_23=47/5, var_1_24=19/4, var_1_25=24/5, var_1_26=257/2, var_1_27=100, var_1_28=0, var_1_29=8, var_1_30=0, var_1_31=5, var_1_32=2657034370, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=5, var_1_11=10, var_1_12=8, var_1_13=22843, var_1_14=4, var_1_15=128, var_1_16=32, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_20=619/40, var_1_21=71/10, var_1_22=513/2, var_1_23=47/5, var_1_24=19/4, var_1_25=24/5, var_1_26=257/2, var_1_27=100, var_1_28=0, var_1_29=8, var_1_30=0, var_1_31=5, var_1_32=2657034370, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L159] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=5, var_1_11=10, var_1_12=8, var_1_13=22843, var_1_14=4, var_1_15=128, var_1_16=32, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_20=619/40, var_1_21=71/10, var_1_22=513/2, var_1_23=47/5, var_1_24=19/4, var_1_25=24/5, var_1_26=257/2, var_1_27=100, var_1_28=0, var_1_29=8, var_1_30=0, var_1_31=5, var_1_32=2657034370, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L160] var_1_7 = __VERIFIER_nondet_uchar() [L161] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=5, var_1_11=10, var_1_12=8, var_1_13=22843, var_1_14=4, var_1_15=128, var_1_16=32, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_20=619/40, var_1_21=71/10, var_1_22=513/2, var_1_23=47/5, var_1_24=19/4, var_1_25=24/5, var_1_26=257/2, var_1_27=100, var_1_28=0, var_1_29=8, var_1_30=0, var_1_31=5, var_1_32=2657034370, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_8=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=5, var_1_11=10, var_1_12=8, var_1_13=22843, var_1_14=4, var_1_15=128, var_1_16=32, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_20=619/40, var_1_21=71/10, var_1_22=513/2, var_1_23=47/5, var_1_24=19/4, var_1_25=24/5, var_1_26=257/2, var_1_27=100, var_1_28=0, var_1_29=8, var_1_30=0, var_1_31=5, var_1_32=2657034370, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_8=128] [L161] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=5, var_1_11=10, var_1_12=8, var_1_13=22843, var_1_14=4, var_1_15=128, var_1_16=32, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_20=619/40, var_1_21=71/10, var_1_22=513/2, var_1_23=47/5, var_1_24=19/4, var_1_25=24/5, var_1_26=257/2, var_1_27=100, var_1_28=0, var_1_29=8, var_1_30=0, var_1_31=5, var_1_32=2657034370, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_8=128] [L162] CALL assume_abort_if_not(var_1_7 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=5, var_1_11=10, var_1_12=8, var_1_13=22843, var_1_14=4, var_1_15=128, var_1_16=32, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_20=619/40, var_1_21=71/10, var_1_22=513/2, var_1_23=47/5, var_1_24=19/4, var_1_25=24/5, var_1_26=257/2, var_1_27=100, var_1_28=0, var_1_29=8, var_1_30=0, var_1_31=5, var_1_32=2657034370, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=5, var_1_11=10, var_1_12=8, var_1_13=22843, var_1_14=4, var_1_15=128, var_1_16=32, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_20=619/40, var_1_21=71/10, var_1_22=513/2, var_1_23=47/5, var_1_24=19/4, var_1_25=24/5, var_1_26=257/2, var_1_27=100, var_1_28=0, var_1_29=8, var_1_30=0, var_1_31=5, var_1_32=2657034370, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L162] RET assume_abort_if_not(var_1_7 <= 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=5, var_1_11=10, var_1_12=8, var_1_13=22843, var_1_14=4, var_1_15=128, var_1_16=32, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_20=619/40, var_1_21=71/10, var_1_22=513/2, var_1_23=47/5, var_1_24=19/4, var_1_25=24/5, var_1_26=257/2, var_1_27=100, var_1_28=0, var_1_29=8, var_1_30=0, var_1_31=5, var_1_32=2657034370, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L163] var_1_10 = __VERIFIER_nondet_ushort() [L164] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_11=10, var_1_12=8, var_1_13=22843, var_1_14=4, var_1_15=128, var_1_16=32, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_20=619/40, var_1_21=71/10, var_1_22=513/2, var_1_23=47/5, var_1_24=19/4, var_1_25=24/5, var_1_26=257/2, var_1_27=100, var_1_28=0, var_1_29=8, var_1_30=0, var_1_31=5, var_1_32=2657034370, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_11=10, var_1_12=8, var_1_13=22843, var_1_14=4, var_1_15=128, var_1_16=32, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_20=619/40, var_1_21=71/10, var_1_22=513/2, var_1_23=47/5, var_1_24=19/4, var_1_25=24/5, var_1_26=257/2, var_1_27=100, var_1_28=0, var_1_29=8, var_1_30=0, var_1_31=5, var_1_32=2657034370, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L164] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_11=10, var_1_12=8, var_1_13=22843, var_1_14=4, var_1_15=128, var_1_16=32, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_20=619/40, var_1_21=71/10, var_1_22=513/2, var_1_23=47/5, var_1_24=19/4, var_1_25=24/5, var_1_26=257/2, var_1_27=100, var_1_28=0, var_1_29=8, var_1_30=0, var_1_31=5, var_1_32=2657034370, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L165] CALL assume_abort_if_not(var_1_10 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_11=10, var_1_12=8, var_1_13=22843, var_1_14=4, var_1_15=128, var_1_16=32, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_20=619/40, var_1_21=71/10, var_1_22=513/2, var_1_23=47/5, var_1_24=19/4, var_1_25=24/5, var_1_26=257/2, var_1_27=100, var_1_28=0, var_1_29=8, var_1_30=0, var_1_31=5, var_1_32=2657034370, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_11=10, var_1_12=8, var_1_13=22843, var_1_14=4, var_1_15=128, var_1_16=32, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_20=619/40, var_1_21=71/10, var_1_22=513/2, var_1_23=47/5, var_1_24=19/4, var_1_25=24/5, var_1_26=257/2, var_1_27=100, var_1_28=0, var_1_29=8, var_1_30=0, var_1_31=5, var_1_32=2657034370, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L165] RET assume_abort_if_not(var_1_10 <= 65535) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_11=10, var_1_12=8, var_1_13=22843, var_1_14=4, var_1_15=128, var_1_16=32, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_20=619/40, var_1_21=71/10, var_1_22=513/2, var_1_23=47/5, var_1_24=19/4, var_1_25=24/5, var_1_26=257/2, var_1_27=100, var_1_28=0, var_1_29=8, var_1_30=0, var_1_31=5, var_1_32=2657034370, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L166] CALL assume_abort_if_not(var_1_10 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=10, var_1_12=8, var_1_13=22843, var_1_14=4, var_1_15=128, var_1_16=32, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_20=619/40, var_1_21=71/10, var_1_22=513/2, var_1_23=47/5, var_1_24=19/4, var_1_25=24/5, var_1_26=257/2, var_1_27=100, var_1_28=0, var_1_29=8, var_1_30=0, var_1_31=5, var_1_32=2657034370, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=10, var_1_12=8, var_1_13=22843, var_1_14=4, var_1_15=128, var_1_16=32, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_20=619/40, var_1_21=71/10, var_1_22=513/2, var_1_23=47/5, var_1_24=19/4, var_1_25=24/5, var_1_26=257/2, var_1_27=100, var_1_28=0, var_1_29=8, var_1_30=0, var_1_31=5, var_1_32=2657034370, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L166] RET assume_abort_if_not(var_1_10 != 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=10, var_1_12=8, var_1_13=22843, var_1_14=4, var_1_15=128, var_1_16=32, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_20=619/40, var_1_21=71/10, var_1_22=513/2, var_1_23=47/5, var_1_24=19/4, var_1_25=24/5, var_1_26=257/2, var_1_27=100, var_1_28=0, var_1_29=8, var_1_30=0, var_1_31=5, var_1_32=2657034370, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L167] var_1_11 = __VERIFIER_nondet_uchar() [L168] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_12=8, var_1_13=22843, var_1_14=4, var_1_15=128, var_1_16=32, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_20=619/40, var_1_21=71/10, var_1_22=513/2, var_1_23=47/5, var_1_24=19/4, var_1_25=24/5, var_1_26=257/2, var_1_27=100, var_1_28=0, var_1_29=8, var_1_30=0, var_1_31=5, var_1_32=2657034370, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_12=8, var_1_13=22843, var_1_14=4, var_1_15=128, var_1_16=32, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_20=619/40, var_1_21=71/10, var_1_22=513/2, var_1_23=47/5, var_1_24=19/4, var_1_25=24/5, var_1_26=257/2, var_1_27=100, var_1_28=0, var_1_29=8, var_1_30=0, var_1_31=5, var_1_32=2657034370, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L168] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_12=8, var_1_13=22843, var_1_14=4, var_1_15=128, var_1_16=32, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_20=619/40, var_1_21=71/10, var_1_22=513/2, var_1_23=47/5, var_1_24=19/4, var_1_25=24/5, var_1_26=257/2, var_1_27=100, var_1_28=0, var_1_29=8, var_1_30=0, var_1_31=5, var_1_32=2657034370, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L169] CALL assume_abort_if_not(var_1_11 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=22843, var_1_14=4, var_1_15=128, var_1_16=32, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_20=619/40, var_1_21=71/10, var_1_22=513/2, var_1_23=47/5, var_1_24=19/4, var_1_25=24/5, var_1_26=257/2, var_1_27=100, var_1_28=0, var_1_29=8, var_1_30=0, var_1_31=5, var_1_32=2657034370, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=22843, var_1_14=4, var_1_15=128, var_1_16=32, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_20=619/40, var_1_21=71/10, var_1_22=513/2, var_1_23=47/5, var_1_24=19/4, var_1_25=24/5, var_1_26=257/2, var_1_27=100, var_1_28=0, var_1_29=8, var_1_30=0, var_1_31=5, var_1_32=2657034370, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L169] RET assume_abort_if_not(var_1_11 <= 254) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=22843, var_1_14=4, var_1_15=128, var_1_16=32, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_20=619/40, var_1_21=71/10, var_1_22=513/2, var_1_23=47/5, var_1_24=19/4, var_1_25=24/5, var_1_26=257/2, var_1_27=100, var_1_28=0, var_1_29=8, var_1_30=0, var_1_31=5, var_1_32=2657034370, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L170] var_1_13 = __VERIFIER_nondet_ushort() [L171] CALL assume_abort_if_not(var_1_13 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=128, var_1_16=32, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_20=619/40, var_1_21=71/10, var_1_22=513/2, var_1_23=47/5, var_1_24=19/4, var_1_25=24/5, var_1_26=257/2, var_1_27=100, var_1_28=0, var_1_29=8, var_1_30=0, var_1_31=5, var_1_32=2657034370, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=128, var_1_16=32, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_20=619/40, var_1_21=71/10, var_1_22=513/2, var_1_23=47/5, var_1_24=19/4, var_1_25=24/5, var_1_26=257/2, var_1_27=100, var_1_28=0, var_1_29=8, var_1_30=0, var_1_31=5, var_1_32=2657034370, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L171] RET assume_abort_if_not(var_1_13 >= 16383) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=128, var_1_16=32, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_20=619/40, var_1_21=71/10, var_1_22=513/2, var_1_23=47/5, var_1_24=19/4, var_1_25=24/5, var_1_26=257/2, var_1_27=100, var_1_28=0, var_1_29=8, var_1_30=0, var_1_31=5, var_1_32=2657034370, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L172] CALL assume_abort_if_not(var_1_13 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=128, var_1_16=32, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_20=619/40, var_1_21=71/10, var_1_22=513/2, var_1_23=47/5, var_1_24=19/4, var_1_25=24/5, var_1_26=257/2, var_1_27=100, var_1_28=0, var_1_29=8, var_1_30=0, var_1_31=5, var_1_32=2657034370, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=128, var_1_16=32, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_20=619/40, var_1_21=71/10, var_1_22=513/2, var_1_23=47/5, var_1_24=19/4, var_1_25=24/5, var_1_26=257/2, var_1_27=100, var_1_28=0, var_1_29=8, var_1_30=0, var_1_31=5, var_1_32=2657034370, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L172] RET assume_abort_if_not(var_1_13 <= 32767) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=128, var_1_16=32, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_20=619/40, var_1_21=71/10, var_1_22=513/2, var_1_23=47/5, var_1_24=19/4, var_1_25=24/5, var_1_26=257/2, var_1_27=100, var_1_28=0, var_1_29=8, var_1_30=0, var_1_31=5, var_1_32=2657034370, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L173] var_1_15 = __VERIFIER_nondet_uchar() [L174] CALL assume_abort_if_not(var_1_15 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=32, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_20=619/40, var_1_21=71/10, var_1_22=513/2, var_1_23=47/5, var_1_24=19/4, var_1_25=24/5, var_1_26=257/2, var_1_27=100, var_1_28=0, var_1_29=8, var_1_30=0, var_1_31=5, var_1_32=2657034370, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=32, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_20=619/40, var_1_21=71/10, var_1_22=513/2, var_1_23=47/5, var_1_24=19/4, var_1_25=24/5, var_1_26=257/2, var_1_27=100, var_1_28=0, var_1_29=8, var_1_30=0, var_1_31=5, var_1_32=2657034370, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L174] RET assume_abort_if_not(var_1_15 >= 127) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=32, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_20=619/40, var_1_21=71/10, var_1_22=513/2, var_1_23=47/5, var_1_24=19/4, var_1_25=24/5, var_1_26=257/2, var_1_27=100, var_1_28=0, var_1_29=8, var_1_30=0, var_1_31=5, var_1_32=2657034370, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L175] CALL assume_abort_if_not(var_1_15 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=32, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_20=619/40, var_1_21=71/10, var_1_22=513/2, var_1_23=47/5, var_1_24=19/4, var_1_25=24/5, var_1_26=257/2, var_1_27=100, var_1_28=0, var_1_29=8, var_1_30=0, var_1_31=5, var_1_32=2657034370, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=32, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_20=619/40, var_1_21=71/10, var_1_22=513/2, var_1_23=47/5, var_1_24=19/4, var_1_25=24/5, var_1_26=257/2, var_1_27=100, var_1_28=0, var_1_29=8, var_1_30=0, var_1_31=5, var_1_32=2657034370, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L175] RET assume_abort_if_not(var_1_15 <= 254) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=32, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_20=619/40, var_1_21=71/10, var_1_22=513/2, var_1_23=47/5, var_1_24=19/4, var_1_25=24/5, var_1_26=257/2, var_1_27=100, var_1_28=0, var_1_29=8, var_1_30=0, var_1_31=5, var_1_32=2657034370, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L176] var_1_16 = __VERIFIER_nondet_uchar() [L177] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_20=619/40, var_1_21=71/10, var_1_22=513/2, var_1_23=47/5, var_1_24=19/4, var_1_25=24/5, var_1_26=257/2, var_1_27=100, var_1_28=0, var_1_29=8, var_1_30=0, var_1_31=5, var_1_32=2657034370, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_20=619/40, var_1_21=71/10, var_1_22=513/2, var_1_23=47/5, var_1_24=19/4, var_1_25=24/5, var_1_26=257/2, var_1_27=100, var_1_28=0, var_1_29=8, var_1_30=0, var_1_31=5, var_1_32=2657034370, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L177] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_20=619/40, var_1_21=71/10, var_1_22=513/2, var_1_23=47/5, var_1_24=19/4, var_1_25=24/5, var_1_26=257/2, var_1_27=100, var_1_28=0, var_1_29=8, var_1_30=0, var_1_31=5, var_1_32=2657034370, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L178] CALL assume_abort_if_not(var_1_16 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_20=619/40, var_1_21=71/10, var_1_22=513/2, var_1_23=47/5, var_1_24=19/4, var_1_25=24/5, var_1_26=257/2, var_1_27=100, var_1_28=0, var_1_29=8, var_1_30=0, var_1_31=5, var_1_32=2657034370, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_20=619/40, var_1_21=71/10, var_1_22=513/2, var_1_23=47/5, var_1_24=19/4, var_1_25=24/5, var_1_26=257/2, var_1_27=100, var_1_28=0, var_1_29=8, var_1_30=0, var_1_31=5, var_1_32=2657034370, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L178] RET assume_abort_if_not(var_1_16 <= 127) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_20=619/40, var_1_21=71/10, var_1_22=513/2, var_1_23=47/5, var_1_24=19/4, var_1_25=24/5, var_1_26=257/2, var_1_27=100, var_1_28=0, var_1_29=8, var_1_30=0, var_1_31=5, var_1_32=2657034370, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L179] var_1_20 = __VERIFIER_nondet_double() [L180] CALL assume_abort_if_not((var_1_20 >= 0.0F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_21=71/10, var_1_22=513/2, var_1_23=47/5, var_1_24=19/4, var_1_25=24/5, var_1_26=257/2, var_1_27=100, var_1_28=0, var_1_29=8, var_1_30=0, var_1_31=5, var_1_32=2657034370, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_21=71/10, var_1_22=513/2, var_1_23=47/5, var_1_24=19/4, var_1_25=24/5, var_1_26=257/2, var_1_27=100, var_1_28=0, var_1_29=8, var_1_30=0, var_1_31=5, var_1_32=2657034370, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L180] RET assume_abort_if_not((var_1_20 >= 0.0F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_21=71/10, var_1_22=513/2, var_1_23=47/5, var_1_24=19/4, var_1_25=24/5, var_1_26=257/2, var_1_27=100, var_1_28=0, var_1_29=8, var_1_30=0, var_1_31=5, var_1_32=2657034370, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L181] var_1_21 = __VERIFIER_nondet_double() [L182] CALL assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_22=513/2, var_1_23=47/5, var_1_24=19/4, var_1_25=24/5, var_1_26=257/2, var_1_27=100, var_1_28=0, var_1_29=8, var_1_30=0, var_1_31=5, var_1_32=2657034370, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_22=513/2, var_1_23=47/5, var_1_24=19/4, var_1_25=24/5, var_1_26=257/2, var_1_27=100, var_1_28=0, var_1_29=8, var_1_30=0, var_1_31=5, var_1_32=2657034370, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L182] RET assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_22=513/2, var_1_23=47/5, var_1_24=19/4, var_1_25=24/5, var_1_26=257/2, var_1_27=100, var_1_28=0, var_1_29=8, var_1_30=0, var_1_31=5, var_1_32=2657034370, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L183] var_1_22 = __VERIFIER_nondet_double() [L184] CALL assume_abort_if_not((var_1_22 >= -922337.2036854765600e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_23=47/5, var_1_24=19/4, var_1_25=24/5, var_1_26=257/2, var_1_27=100, var_1_28=0, var_1_29=8, var_1_30=0, var_1_31=5, var_1_32=2657034370, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_23=47/5, var_1_24=19/4, var_1_25=24/5, var_1_26=257/2, var_1_27=100, var_1_28=0, var_1_29=8, var_1_30=0, var_1_31=5, var_1_32=2657034370, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L184] RET assume_abort_if_not((var_1_22 >= -922337.2036854765600e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_23=47/5, var_1_24=19/4, var_1_25=24/5, var_1_26=257/2, var_1_27=100, var_1_28=0, var_1_29=8, var_1_30=0, var_1_31=5, var_1_32=2657034370, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L185] var_1_23 = __VERIFIER_nondet_double() [L186] CALL assume_abort_if_not((var_1_23 >= -461168.6018427382800e+13F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 4611686.018427382800e+12F && var_1_23 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_24=19/4, var_1_25=24/5, var_1_26=257/2, var_1_27=100, var_1_28=0, var_1_29=8, var_1_30=0, var_1_31=5, var_1_32=2657034370, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_24=19/4, var_1_25=24/5, var_1_26=257/2, var_1_27=100, var_1_28=0, var_1_29=8, var_1_30=0, var_1_31=5, var_1_32=2657034370, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L186] RET assume_abort_if_not((var_1_23 >= -461168.6018427382800e+13F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 4611686.018427382800e+12F && var_1_23 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_24=19/4, var_1_25=24/5, var_1_26=257/2, var_1_27=100, var_1_28=0, var_1_29=8, var_1_30=0, var_1_31=5, var_1_32=2657034370, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L187] var_1_24 = __VERIFIER_nondet_double() [L188] CALL assume_abort_if_not((var_1_24 >= -115292.1504606845700e+13F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 1152921.504606845700e+12F && var_1_24 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_25=24/5, var_1_26=257/2, var_1_27=100, var_1_28=0, var_1_29=8, var_1_30=0, var_1_31=5, var_1_32=2657034370, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_25=24/5, var_1_26=257/2, var_1_27=100, var_1_28=0, var_1_29=8, var_1_30=0, var_1_31=5, var_1_32=2657034370, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L188] RET assume_abort_if_not((var_1_24 >= -115292.1504606845700e+13F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 1152921.504606845700e+12F && var_1_24 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_25=24/5, var_1_26=257/2, var_1_27=100, var_1_28=0, var_1_29=8, var_1_30=0, var_1_31=5, var_1_32=2657034370, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L189] var_1_25 = __VERIFIER_nondet_double() [L190] CALL assume_abort_if_not((var_1_25 >= -115292.1504606845700e+13F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 1152921.504606845700e+12F && var_1_25 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_26=257/2, var_1_27=100, var_1_28=0, var_1_29=8, var_1_30=0, var_1_31=5, var_1_32=2657034370, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_26=257/2, var_1_27=100, var_1_28=0, var_1_29=8, var_1_30=0, var_1_31=5, var_1_32=2657034370, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L190] RET assume_abort_if_not((var_1_25 >= -115292.1504606845700e+13F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 1152921.504606845700e+12F && var_1_25 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_26=257/2, var_1_27=100, var_1_28=0, var_1_29=8, var_1_30=0, var_1_31=5, var_1_32=2657034370, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L191] var_1_26 = __VERIFIER_nondet_double() [L192] CALL assume_abort_if_not((var_1_26 >= -230584.3009213691390e+13F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 2305843.009213691390e+12F && var_1_26 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_27=100, var_1_28=0, var_1_29=8, var_1_30=0, var_1_31=5, var_1_32=2657034370, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_27=100, var_1_28=0, var_1_29=8, var_1_30=0, var_1_31=5, var_1_32=2657034370, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L192] RET assume_abort_if_not((var_1_26 >= -230584.3009213691390e+13F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 2305843.009213691390e+12F && var_1_26 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_27=100, var_1_28=0, var_1_29=8, var_1_30=0, var_1_31=5, var_1_32=2657034370, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L193] var_1_28 = __VERIFIER_nondet_char() [L194] CALL assume_abort_if_not(var_1_28 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_27=100, var_1_28=64, var_1_29=8, var_1_30=0, var_1_31=5, var_1_32=2657034370, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_27=100, var_1_28=64, var_1_29=8, var_1_30=0, var_1_31=5, var_1_32=2657034370, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L194] RET assume_abort_if_not(var_1_28 >= 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_27=100, var_1_28=64, var_1_29=8, var_1_30=0, var_1_31=5, var_1_32=2657034370, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L195] CALL assume_abort_if_not(var_1_28 <= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_27=100, var_1_28=64, var_1_29=8, var_1_30=0, var_1_31=5, var_1_32=2657034370, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_27=100, var_1_28=64, var_1_29=8, var_1_30=0, var_1_31=5, var_1_32=2657034370, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L195] RET assume_abort_if_not(var_1_28 <= 64) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_27=100, var_1_28=64, var_1_29=8, var_1_30=0, var_1_31=5, var_1_32=2657034370, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L196] var_1_29 = __VERIFIER_nondet_char() [L197] CALL assume_abort_if_not(var_1_29 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_27=100, var_1_28=64, var_1_29=0, var_1_30=0, var_1_31=5, var_1_32=2657034370, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_27=100, var_1_28=64, var_1_29=0, var_1_30=0, var_1_31=5, var_1_32=2657034370, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L197] RET assume_abort_if_not(var_1_29 >= 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_27=100, var_1_28=64, var_1_29=0, var_1_30=0, var_1_31=5, var_1_32=2657034370, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L198] CALL assume_abort_if_not(var_1_29 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_27=100, var_1_28=64, var_1_29=0, var_1_30=0, var_1_31=5, var_1_32=2657034370, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_27=100, var_1_28=64, var_1_29=0, var_1_30=0, var_1_31=5, var_1_32=2657034370, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L198] RET assume_abort_if_not(var_1_29 <= 63) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_27=100, var_1_28=64, var_1_29=0, var_1_30=0, var_1_31=5, var_1_32=2657034370, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L199] var_1_32 = __VERIFIER_nondet_ulong() [L200] CALL assume_abort_if_not(var_1_32 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_27=100, var_1_28=64, var_1_29=0, var_1_30=0, var_1_31=5, var_1_32=4294967294, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_27=100, var_1_28=64, var_1_29=0, var_1_30=0, var_1_31=5, var_1_32=4294967294, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L200] RET assume_abort_if_not(var_1_32 >= 2147483647) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_27=100, var_1_28=64, var_1_29=0, var_1_30=0, var_1_31=5, var_1_32=4294967294, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L201] CALL assume_abort_if_not(var_1_32 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_27=100, var_1_28=64, var_1_29=0, var_1_30=0, var_1_31=5, var_1_32=4294967294, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_27=100, var_1_28=64, var_1_29=0, var_1_30=0, var_1_31=5, var_1_32=4294967294, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L201] RET assume_abort_if_not(var_1_32 <= 4294967294) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_27=100, var_1_28=64, var_1_29=0, var_1_30=0, var_1_31=5, var_1_32=4294967294, var_1_33=0, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L202] var_1_33 = __VERIFIER_nondet_double() [L203] CALL assume_abort_if_not((var_1_33 >= 4611686.018427387900e+12F && var_1_33 <= -1.0e-20F) || (var_1_33 <= 9223372.036854776000e+12F && var_1_33 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_27=100, var_1_28=64, var_1_29=0, var_1_30=0, var_1_31=5, var_1_32=4294967294, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_27=100, var_1_28=64, var_1_29=0, var_1_30=0, var_1_31=5, var_1_32=4294967294, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L203] RET assume_abort_if_not((var_1_33 >= 4611686.018427387900e+12F && var_1_33 <= -1.0e-20F) || (var_1_33 <= 9223372.036854776000e+12F && var_1_33 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_27=100, var_1_28=64, var_1_29=0, var_1_30=0, var_1_31=5, var_1_32=4294967294, var_1_34=253/5, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L204] var_1_34 = __VERIFIER_nondet_double() [L205] CALL assume_abort_if_not((var_1_34 >= 0.0F && var_1_34 <= -1.0e-20F) || (var_1_34 <= 4611686.018427387900e+12F && var_1_34 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_27=100, var_1_28=64, var_1_29=0, var_1_30=0, var_1_31=5, var_1_32=4294967294, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_27=100, var_1_28=64, var_1_29=0, var_1_30=0, var_1_31=5, var_1_32=4294967294, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L205] RET assume_abort_if_not((var_1_34 >= 0.0F && var_1_34 <= -1.0e-20F) || (var_1_34 <= 4611686.018427387900e+12F && var_1_34 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_27=100, var_1_28=64, var_1_29=0, var_1_30=0, var_1_31=5, var_1_32=4294967294, var_1_35=0, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L206] var_1_35 = __VERIFIER_nondet_double() [L207] CALL assume_abort_if_not((var_1_35 >= 4611686.018427387900e+12F && var_1_35 <= -1.0e-20F) || (var_1_35 <= 9223372.036854776000e+12F && var_1_35 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_27=100, var_1_28=64, var_1_29=0, var_1_30=0, var_1_31=5, var_1_32=4294967294, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_27=100, var_1_28=64, var_1_29=0, var_1_30=0, var_1_31=5, var_1_32=4294967294, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L207] RET assume_abort_if_not((var_1_35 >= 4611686.018427387900e+12F && var_1_35 <= -1.0e-20F) || (var_1_35 <= 9223372.036854776000e+12F && var_1_35 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_27=100, var_1_28=64, var_1_29=0, var_1_30=0, var_1_31=5, var_1_32=4294967294, var_1_36=197/4, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L208] var_1_36 = __VERIFIER_nondet_double() [L209] CALL assume_abort_if_not((var_1_36 >= 0.0F && var_1_36 <= -1.0e-20F) || (var_1_36 <= 4611686.018427387900e+12F && var_1_36 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_27=100, var_1_28=64, var_1_29=0, var_1_30=0, var_1_31=5, var_1_32=4294967294, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_27=100, var_1_28=64, var_1_29=0, var_1_30=0, var_1_31=5, var_1_32=4294967294, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L209] RET assume_abort_if_not((var_1_36 >= 0.0F && var_1_36 <= -1.0e-20F) || (var_1_36 <= 4611686.018427387900e+12F && var_1_36 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_27=100, var_1_28=64, var_1_29=0, var_1_30=0, var_1_31=5, var_1_32=4294967294, var_1_37=100, var_1_38=4, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L210] var_1_38 = __VERIFIER_nondet_char() [L211] CALL assume_abort_if_not(var_1_38 >= -31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_27=100, var_1_28=64, var_1_29=0, var_1_30=0, var_1_31=5, var_1_32=4294967294, var_1_37=100, var_1_38=32, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_27=100, var_1_28=64, var_1_29=0, var_1_30=0, var_1_31=5, var_1_32=4294967294, var_1_37=100, var_1_38=32, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L211] RET assume_abort_if_not(var_1_38 >= -31) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_27=100, var_1_28=64, var_1_29=0, var_1_30=0, var_1_31=5, var_1_32=4294967294, var_1_37=100, var_1_38=32, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L212] CALL assume_abort_if_not(var_1_38 <= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_27=100, var_1_28=64, var_1_29=0, var_1_30=0, var_1_31=5, var_1_32=4294967294, var_1_37=100, var_1_38=32, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_27=100, var_1_28=64, var_1_29=0, var_1_30=0, var_1_31=5, var_1_32=4294967294, var_1_37=100, var_1_38=32, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L212] RET assume_abort_if_not(var_1_38 <= 32) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_27=100, var_1_28=64, var_1_29=0, var_1_30=0, var_1_31=5, var_1_32=4294967294, var_1_37=100, var_1_38=32, var_1_39=-4, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L213] var_1_39 = __VERIFIER_nondet_char() [L214] CALL assume_abort_if_not(var_1_39 >= -31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_27=100, var_1_28=64, var_1_29=0, var_1_30=0, var_1_31=5, var_1_32=4294967294, var_1_37=100, var_1_38=32, var_1_39=-30, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_27=100, var_1_28=64, var_1_29=0, var_1_30=0, var_1_31=5, var_1_32=4294967294, var_1_37=100, var_1_38=32, var_1_39=-30, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L214] RET assume_abort_if_not(var_1_39 >= -31) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_27=100, var_1_28=64, var_1_29=0, var_1_30=0, var_1_31=5, var_1_32=4294967294, var_1_37=100, var_1_38=32, var_1_39=-30, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L215] CALL assume_abort_if_not(var_1_39 <= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_27=100, var_1_28=64, var_1_29=0, var_1_30=0, var_1_31=5, var_1_32=4294967294, var_1_37=100, var_1_38=32, var_1_39=-30, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_27=100, var_1_28=64, var_1_29=0, var_1_30=0, var_1_31=5, var_1_32=4294967294, var_1_37=100, var_1_38=32, var_1_39=-30, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L215] RET assume_abort_if_not(var_1_39 <= 31) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_27=100, var_1_28=64, var_1_29=0, var_1_30=0, var_1_31=5, var_1_32=4294967294, var_1_37=100, var_1_38=32, var_1_39=-30, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L235] RET updateVariables() [L236] CALL step() [L68] signed long int stepLocal_1 = last_1_var_1_27; [L69] signed long int stepLocal_0 = last_1_var_1_27; VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, stepLocal_0=100, stepLocal_1=100, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_27=100, var_1_28=64, var_1_29=0, var_1_30=0, var_1_31=5, var_1_32=4294967294, var_1_37=100, var_1_38=32, var_1_39=-30, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L70] COND TRUE last_1_var_1_17 != stepLocal_0 VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, stepLocal_0=100, stepLocal_1=100, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_27=100, var_1_28=64, var_1_29=0, var_1_30=0, var_1_31=5, var_1_32=4294967294, var_1_37=100, var_1_38=32, var_1_39=-30, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L71] COND TRUE stepLocal_1 >= (last_1_var_1_17 + last_1_var_1_31) [L72] var_1_1 = var_1_5 VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, stepLocal_0=100, stepLocal_1=100, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_27=100, var_1_28=64, var_1_29=0, var_1_30=0, var_1_31=5, var_1_32=4294967294, var_1_37=100, var_1_38=32, var_1_39=-30, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L81] signed long int stepLocal_2 = (((256) > (last_1_var_1_12)) ? (256) : (last_1_var_1_12)); VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, stepLocal_0=100, stepLocal_1=100, stepLocal_2=256, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_27=100, var_1_28=64, var_1_29=0, var_1_30=0, var_1_31=5, var_1_32=4294967294, var_1_37=100, var_1_38=32, var_1_39=-30, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L82] COND FALSE !(\read(last_1_var_1_30)) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, stepLocal_0=100, stepLocal_1=100, stepLocal_2=256, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_27=100, var_1_28=64, var_1_29=0, var_1_30=0, var_1_31=5, var_1_32=4294967294, var_1_37=100, var_1_38=32, var_1_39=-30, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L89] COND TRUE \read(var_1_1) [L90] var_1_30 = 1 VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, stepLocal_0=100, stepLocal_1=100, stepLocal_2=256, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_27=100, var_1_28=64, var_1_29=0, var_1_30=1, var_1_31=5, var_1_32=4294967294, var_1_37=100, var_1_38=32, var_1_39=-30, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L94] signed long int stepLocal_7 = var_1_15 - ((((var_1_16) > (var_1_28)) ? (var_1_16) : (var_1_28))); VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, stepLocal_0=100, stepLocal_1=100, stepLocal_2=256, stepLocal_7=99, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_27=100, var_1_28=64, var_1_29=0, var_1_30=1, var_1_31=5, var_1_32=4294967294, var_1_37=100, var_1_38=32, var_1_39=-30, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L95] COND TRUE stepLocal_7 < (last_1_var_1_37 / ((((var_1_13) < (var_1_10)) ? (var_1_13) : (var_1_10)))) [L96] var_1_37 = ((var_1_38 + var_1_39) + var_1_29) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, stepLocal_0=100, stepLocal_1=100, stepLocal_2=256, stepLocal_7=99, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_27=100, var_1_28=64, var_1_29=0, var_1_30=1, var_1_31=5, var_1_32=4294967294, var_1_37=2, var_1_38=32, var_1_39=-30, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L100] var_1_40 = last_1_var_1_40 VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, stepLocal_0=100, stepLocal_1=100, stepLocal_2=256, stepLocal_7=99, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=4, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_27=100, var_1_28=64, var_1_29=0, var_1_30=1, var_1_31=5, var_1_32=4294967294, var_1_37=2, var_1_38=32, var_1_39=-30, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L101] COND FALSE !(! var_1_1) [L108] var_1_17 = var_1_15 VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, stepLocal_0=100, stepLocal_1=100, stepLocal_2=256, stepLocal_7=99, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=163, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_27=100, var_1_28=64, var_1_29=0, var_1_30=1, var_1_31=5, var_1_32=4294967294, var_1_37=2, var_1_38=32, var_1_39=-30, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L110] COND TRUE \read(var_1_1) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, stepLocal_0=100, stepLocal_1=100, stepLocal_2=256, stepLocal_7=99, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=163, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_27=100, var_1_28=64, var_1_29=0, var_1_30=1, var_1_31=5, var_1_32=4294967294, var_1_37=2, var_1_38=32, var_1_39=-30, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L111] EXPR var_1_16 << var_1_37 VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, stepLocal_0=100, stepLocal_1=100, stepLocal_2=256, stepLocal_7=99, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=163, var_1_18=25, var_1_19=135/8, var_1_1=1, var_1_27=100, var_1_28=64, var_1_29=0, var_1_30=1, var_1_31=5, var_1_32=4294967294, var_1_37=2, var_1_38=32, var_1_39=-30, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L111] COND TRUE ((((var_1_13) < (var_1_37)) ? (var_1_13) : (var_1_37))) > ((var_1_16 << var_1_37) / var_1_15) [L112] var_1_18 = ((((2) > (var_1_11)) ? (2) : (var_1_11))) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, stepLocal_0=100, stepLocal_1=100, stepLocal_2=256, stepLocal_7=99, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=163, var_1_18=254, var_1_19=135/8, var_1_1=1, var_1_27=100, var_1_28=64, var_1_29=0, var_1_30=1, var_1_31=5, var_1_32=4294967294, var_1_37=2, var_1_38=32, var_1_39=-30, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L115] COND TRUE var_1_17 > var_1_14 VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, stepLocal_0=100, stepLocal_1=100, stepLocal_2=256, stepLocal_7=99, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=163, var_1_18=254, var_1_19=135/8, var_1_1=1, var_1_27=100, var_1_28=64, var_1_29=0, var_1_30=1, var_1_31=5, var_1_32=4294967294, var_1_37=2, var_1_38=32, var_1_39=-30, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L116] COND FALSE !(var_1_18 == var_1_17) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, stepLocal_0=100, stepLocal_1=100, stepLocal_2=256, stepLocal_7=99, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=163, var_1_18=254, var_1_19=135/8, var_1_1=1, var_1_27=100, var_1_28=64, var_1_29=0, var_1_30=1, var_1_31=5, var_1_32=4294967294, var_1_37=2, var_1_38=32, var_1_39=-30, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L120] COND FALSE !(! var_1_1) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, stepLocal_0=100, stepLocal_1=100, stepLocal_2=256, stepLocal_7=99, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=163, var_1_18=254, var_1_19=135/8, var_1_1=1, var_1_27=100, var_1_28=64, var_1_29=0, var_1_30=1, var_1_31=5, var_1_32=4294967294, var_1_37=2, var_1_38=32, var_1_39=-30, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L125] signed long int stepLocal_5 = var_1_16 - (var_1_28 + var_1_29); VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, stepLocal_0=100, stepLocal_1=100, stepLocal_2=256, stepLocal_5=-64, stepLocal_7=99, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=163, var_1_18=254, var_1_19=135/8, var_1_1=1, var_1_27=100, var_1_28=64, var_1_29=0, var_1_30=1, var_1_31=5, var_1_32=4294967294, var_1_37=2, var_1_38=32, var_1_39=-30, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L126] COND TRUE stepLocal_5 <= var_1_12 [L127] var_1_27 = ((((var_1_29) > (var_1_28)) ? (var_1_29) : (var_1_28))) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, stepLocal_0=100, stepLocal_1=100, stepLocal_2=256, stepLocal_5=-64, stepLocal_7=99, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=163, var_1_18=254, var_1_19=135/8, var_1_1=1, var_1_27=64, var_1_28=64, var_1_29=0, var_1_30=1, var_1_31=5, var_1_32=4294967294, var_1_37=2, var_1_38=32, var_1_39=-30, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L131] unsigned char stepLocal_4 = var_1_14; [L132] unsigned char stepLocal_3 = var_1_14 <= var_1_8; VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, stepLocal_0=100, stepLocal_1=100, stepLocal_2=256, stepLocal_3=1, stepLocal_4=4, stepLocal_5=-64, stepLocal_7=99, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=163, var_1_18=254, var_1_19=135/8, var_1_1=1, var_1_27=64, var_1_28=64, var_1_29=0, var_1_30=1, var_1_31=5, var_1_32=4294967294, var_1_37=2, var_1_38=32, var_1_39=-30, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L133] COND TRUE var_1_5 && stepLocal_3 VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, stepLocal_0=100, stepLocal_1=100, stepLocal_2=256, stepLocal_3=1, stepLocal_4=4, stepLocal_5=-64, stepLocal_7=99, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=163, var_1_18=254, var_1_19=135/8, var_1_1=1, var_1_27=64, var_1_28=64, var_1_29=0, var_1_30=1, var_1_31=5, var_1_32=4294967294, var_1_37=2, var_1_38=32, var_1_39=-30, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L134] COND TRUE stepLocal_4 > var_1_40 [L135] var_1_19 = (((((var_1_20 - var_1_21)) < (var_1_22)) ? ((var_1_20 - var_1_21)) : (var_1_22))) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, stepLocal_0=100, stepLocal_1=100, stepLocal_2=256, stepLocal_3=1, stepLocal_4=4, stepLocal_5=-64, stepLocal_7=99, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=163, var_1_18=254, var_1_19=2, var_1_1=1, var_1_22=0, var_1_27=64, var_1_28=64, var_1_29=0, var_1_30=1, var_1_31=5, var_1_32=4294967294, var_1_37=2, var_1_38=32, var_1_39=-30, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L140] signed long int stepLocal_6 = var_1_27 + var_1_8; VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, stepLocal_0=100, stepLocal_1=100, stepLocal_2=256, stepLocal_3=1, stepLocal_4=4, stepLocal_5=-64, stepLocal_6=192, stepLocal_7=99, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=163, var_1_18=254, var_1_19=2, var_1_1=1, var_1_22=0, var_1_27=64, var_1_28=64, var_1_29=0, var_1_30=1, var_1_31=5, var_1_32=4294967294, var_1_37=2, var_1_38=32, var_1_39=-30, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L141] COND TRUE var_1_19 != var_1_22 [L142] var_1_31 = (var_1_32 - (var_1_40 + var_1_13)) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, stepLocal_0=100, stepLocal_1=100, stepLocal_2=256, stepLocal_3=1, stepLocal_4=4, stepLocal_5=-64, stepLocal_6=192, stepLocal_7=99, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=163, var_1_18=254, var_1_19=2, var_1_1=1, var_1_22=0, var_1_27=64, var_1_28=64, var_1_29=0, var_1_30=1, var_1_31=4294934535, var_1_32=4294967294, var_1_37=2, var_1_38=32, var_1_39=-30, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L236] RET step() [L237] CALL, EXPR property() [L227] EXPR ((((((last_1_var_1_17 != last_1_var_1_27) ? ((last_1_var_1_27 >= (last_1_var_1_17 + last_1_var_1_31)) ? (var_1_1 == ((unsigned char) var_1_5)) : (var_1_5 ? (var_1_1 == ((unsigned char) var_1_6)) : 1)) : (var_1_1 == ((unsigned char) var_1_7))) && ((! var_1_1) ? ((var_1_12 > (var_1_14 % var_1_10)) ? (var_1_8 == ((unsigned char) var_1_11)) : 1) : 1)) && ((var_1_17 > var_1_14) ? ((var_1_18 == var_1_17) ? (var_1_12 == ((unsigned short int) ((var_1_13 - var_1_11) + var_1_17))) : 1) : 1)) && (last_1_var_1_30 ? ((var_1_13 > ((((256) > (last_1_var_1_12)) ? (256) : (last_1_var_1_12)))) ? (var_1_14 == ((unsigned char) (var_1_15 - var_1_16))) : (var_1_14 == ((unsigned char) (var_1_16 + 10)))) : 1)) && ((! var_1_1) ? ((! (! (! var_1_5))) ? (var_1_17 == ((unsigned short int) var_1_14)) : (var_1_17 == ((unsigned short int) var_1_13))) : (var_1_17 == ((unsigned short int) var_1_15)))) && (var_1_1 ? ((((((var_1_13) < (var_1_37)) ? (var_1_13) : (var_1_37))) > ((var_1_16 << var_1_37) / var_1_15)) ? (var_1_18 == ((unsigned char) ((((2) > (var_1_11)) ? (2) : (var_1_11))))) : 1) : 1) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=163, var_1_18=254, var_1_19=2, var_1_1=1, var_1_22=0, var_1_27=64, var_1_28=64, var_1_29=0, var_1_30=1, var_1_31=4294934535, var_1_32=4294967294, var_1_37=2, var_1_38=32, var_1_39=-30, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L227] EXPR var_1_1 ? ((((((var_1_13) < (var_1_37)) ? (var_1_13) : (var_1_37))) > ((var_1_16 << var_1_37) / var_1_15)) ? (var_1_18 == ((unsigned char) ((((2) > (var_1_11)) ? (2) : (var_1_11))))) : 1) : 1 VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=163, var_1_18=254, var_1_19=2, var_1_1=1, var_1_22=0, var_1_27=64, var_1_28=64, var_1_29=0, var_1_30=1, var_1_31=4294934535, var_1_32=4294967294, var_1_37=2, var_1_38=32, var_1_39=-30, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L227] EXPR var_1_16 << var_1_37 VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=163, var_1_18=254, var_1_19=2, var_1_1=1, var_1_22=0, var_1_27=64, var_1_28=64, var_1_29=0, var_1_30=1, var_1_31=4294934535, var_1_32=4294967294, var_1_37=2, var_1_38=32, var_1_39=-30, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L227] EXPR var_1_1 ? ((((((var_1_13) < (var_1_37)) ? (var_1_13) : (var_1_37))) > ((var_1_16 << var_1_37) / var_1_15)) ? (var_1_18 == ((unsigned char) ((((2) > (var_1_11)) ? (2) : (var_1_11))))) : 1) : 1 VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=163, var_1_18=254, var_1_19=2, var_1_1=1, var_1_22=0, var_1_27=64, var_1_28=64, var_1_29=0, var_1_30=1, var_1_31=4294934535, var_1_32=4294967294, var_1_37=2, var_1_38=32, var_1_39=-30, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L227] EXPR ((((((last_1_var_1_17 != last_1_var_1_27) ? ((last_1_var_1_27 >= (last_1_var_1_17 + last_1_var_1_31)) ? (var_1_1 == ((unsigned char) var_1_5)) : (var_1_5 ? (var_1_1 == ((unsigned char) var_1_6)) : 1)) : (var_1_1 == ((unsigned char) var_1_7))) && ((! var_1_1) ? ((var_1_12 > (var_1_14 % var_1_10)) ? (var_1_8 == ((unsigned char) var_1_11)) : 1) : 1)) && ((var_1_17 > var_1_14) ? ((var_1_18 == var_1_17) ? (var_1_12 == ((unsigned short int) ((var_1_13 - var_1_11) + var_1_17))) : 1) : 1)) && (last_1_var_1_30 ? ((var_1_13 > ((((256) > (last_1_var_1_12)) ? (256) : (last_1_var_1_12)))) ? (var_1_14 == ((unsigned char) (var_1_15 - var_1_16))) : (var_1_14 == ((unsigned char) (var_1_16 + 10)))) : 1)) && ((! var_1_1) ? ((! (! (! var_1_5))) ? (var_1_17 == ((unsigned short int) var_1_14)) : (var_1_17 == ((unsigned short int) var_1_13))) : (var_1_17 == ((unsigned short int) var_1_15)))) && (var_1_1 ? ((((((var_1_13) < (var_1_37)) ? (var_1_13) : (var_1_37))) > ((var_1_16 << var_1_37) / var_1_15)) ? (var_1_18 == ((unsigned char) ((((2) > (var_1_11)) ? (2) : (var_1_11))))) : 1) : 1) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=163, var_1_18=254, var_1_19=2, var_1_1=1, var_1_22=0, var_1_27=64, var_1_28=64, var_1_29=0, var_1_30=1, var_1_31=4294934535, var_1_32=4294967294, var_1_37=2, var_1_38=32, var_1_39=-30, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L227-L228] return ((((((((((((last_1_var_1_17 != last_1_var_1_27) ? ((last_1_var_1_27 >= (last_1_var_1_17 + last_1_var_1_31)) ? (var_1_1 == ((unsigned char) var_1_5)) : (var_1_5 ? (var_1_1 == ((unsigned char) var_1_6)) : 1)) : (var_1_1 == ((unsigned char) var_1_7))) && ((! var_1_1) ? ((var_1_12 > (var_1_14 % var_1_10)) ? (var_1_8 == ((unsigned char) var_1_11)) : 1) : 1)) && ((var_1_17 > var_1_14) ? ((var_1_18 == var_1_17) ? (var_1_12 == ((unsigned short int) ((var_1_13 - var_1_11) + var_1_17))) : 1) : 1)) && (last_1_var_1_30 ? ((var_1_13 > ((((256) > (last_1_var_1_12)) ? (256) : (last_1_var_1_12)))) ? (var_1_14 == ((unsigned char) (var_1_15 - var_1_16))) : (var_1_14 == ((unsigned char) (var_1_16 + 10)))) : 1)) && ((! var_1_1) ? ((! (! (! var_1_5))) ? (var_1_17 == ((unsigned short int) var_1_14)) : (var_1_17 == ((unsigned short int) var_1_13))) : (var_1_17 == ((unsigned short int) var_1_15)))) && (var_1_1 ? ((((((var_1_13) < (var_1_37)) ? (var_1_13) : (var_1_37))) > ((var_1_16 << var_1_37) / var_1_15)) ? (var_1_18 == ((unsigned char) ((((2) > (var_1_11)) ? (2) : (var_1_11))))) : 1) : 1)) && ((var_1_5 && (var_1_14 <= var_1_8)) ? ((var_1_14 > var_1_40) ? (var_1_19 == ((double) (((((var_1_20 - var_1_21)) < (var_1_22)) ? ((var_1_20 - var_1_21)) : (var_1_22))))) : 1) : (var_1_19 == ((double) (var_1_23 + ((var_1_24 + var_1_25) + var_1_26)))))) && (((var_1_16 - (var_1_28 + var_1_29)) <= var_1_12) ? (var_1_27 == ((unsigned char) ((((var_1_29) > (var_1_28)) ? (var_1_29) : (var_1_28))))) : (var_1_27 == ((unsigned char) var_1_29)))) && (var_1_1 ? (var_1_30 == ((unsigned char) 1)) : (var_1_30 == ((unsigned char) (! var_1_5))))) && ((var_1_19 != var_1_22) ? (var_1_31 == ((unsigned long int) (var_1_32 - (var_1_40 + var_1_13)))) : (((var_1_27 + var_1_8) >= (var_1_15 + var_1_29)) ? (((var_1_24 * (var_1_23 * var_1_19)) >= ((var_1_33 - var_1_34) - (var_1_35 - var_1_36))) ? (var_1_31 == ((unsigned long int) var_1_8)) : (var_1_31 == ((unsigned long int) last_1_var_1_31))) : 1))) && (((var_1_15 - ((((var_1_16) > (var_1_28)) ? (var_1_16) : (var_1_28)))) < (last_1_var_1_37 / ((((var_1_13) < (var_1_10)) ? (var_1_13) : (var_1_10))))) ? (var_1_37 == ((signed char) ((var_1_38 + var_1_39) + var_1_29))) : (var_1_37 == ((signed char) ((((var_1_28) < (var_1_38)) ? (var_1_28) : (var_1_38))))))) && (var_1_40 == ((signed long int) last_1_var_1_40)) ; [L237] RET, EXPR property() [L237] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=163, var_1_18=254, var_1_19=2, var_1_1=1, var_1_22=0, var_1_27=64, var_1_28=64, var_1_29=0, var_1_30=1, var_1_31=4294934535, var_1_32=4294967294, var_1_37=2, var_1_38=32, var_1_39=-30, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=4, last_1_var_1_27=100, last_1_var_1_30=0, last_1_var_1_31=5, last_1_var_1_37=100, last_1_var_1_40=-8, var_1_10=1, var_1_11=254, var_1_12=8, var_1_13=32767, var_1_14=4, var_1_15=163, var_1_16=0, var_1_17=163, var_1_18=254, var_1_19=2, var_1_1=1, var_1_22=0, var_1_27=64, var_1_28=64, var_1_29=0, var_1_30=1, var_1_31=4294934535, var_1_32=4294967294, var_1_37=2, var_1_38=32, var_1_39=-30, var_1_40=-8, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=128] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 109 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 240.0s, OverallIterations: 21, TraceHistogramMax: 38, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 73.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9436 SdHoareTripleChecker+Valid, 37.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9326 mSDsluCounter, 16701 SdHoareTripleChecker+Invalid, 34.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 13298 mSDsCounter, 2027 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14172 IncrementalHoareTripleChecker+Invalid, 16199 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2027 mSolverCounterUnsat, 3403 mSDtfsCounter, 14172 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7303 GetRequests, 6728 SyntacticMatches, 8 SemanticMatches, 567 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14386 ImplicationChecksByTransitivity, 75.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1297occurred in iteration=20, InterpolantAutomatonStates: 468, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.6s AutomataMinimizationTime, 20 MinimizatonAttempts, 4439 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.7s SsaConstructionTime, 2.4s SatisfiabilityAnalysisTime, 154.9s InterpolantComputationTime, 5307 NumberOfCodeBlocks, 5307 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 6969 ConstructedInterpolants, 35 QuantifiedInterpolants, 99818 SizeOfPredicates, 205 NumberOfNonLiveVariables, 11166 ConjunctsInSsa, 296 ConjunctsInUnsatCore, 29 InterpolantComputations, 11 PerfectInterpolantSequences, 77579/81548 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 02:36:31,840 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2023-11-29 02:36:31,907 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/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_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/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_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-29.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/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_1031692a-df3f-486c-92b8-c48d822b5476/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 89fb3437dc022c4b5e6c8772f3270e161abf7529bebe371d9c5e10b428f306b8 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 02:36:33,624 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 02:36:33,694 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-29 02:36:33,701 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 02:36:33,701 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 02:36:33,739 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 02:36:33,740 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 02:36:33,740 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 02:36:33,741 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 02:36:33,742 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 02:36:33,742 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 02:36:33,743 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 02:36:33,744 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 02:36:33,744 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 02:36:33,745 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 02:36:33,745 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 02:36:33,746 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 02:36:33,747 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 02:36:33,747 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 02:36:33,748 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 02:36:33,748 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 02:36:33,749 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 02:36:33,749 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 02:36:33,750 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 02:36:33,750 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 02:36:33,751 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 02:36:33,751 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 02:36:33,752 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 02:36:33,752 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 02:36:33,752 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 02:36:33,753 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 02:36:33,753 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 02:36:33,754 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 02:36:33,754 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:36:33,754 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 02:36:33,754 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 02:36:33,755 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 02:36:33,755 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 02:36:33,755 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 02:36:33,755 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 02:36:33,756 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 02:36:33,756 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 02:36:33,756 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 02:36:33,756 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 02:36:33,757 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 02:36:33,757 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_1031692a-df3f-486c-92b8-c48d822b5476/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89fb3437dc022c4b5e6c8772f3270e161abf7529bebe371d9c5e10b428f306b8 [2023-11-29 02:36:34,043 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 02:36:34,062 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 02:36:34,065 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 02:36:34,066 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 02:36:34,066 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 02:36:34,068 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-29.i [2023-11-29 02:36:36,921 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 02:36:37,156 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 02:36:37,156 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-29.i [2023-11-29 02:36:37,167 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/data/7fed572ed/f83cfa141542467ebef677ec7fdf5dbe/FLAG570df46d1 [2023-11-29 02:36:37,179 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/data/7fed572ed/f83cfa141542467ebef677ec7fdf5dbe [2023-11-29 02:36:37,182 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 02:36:37,184 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 02:36:37,185 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 02:36:37,185 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 02:36:37,190 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 02:36:37,190 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:36:37" (1/1) ... [2023-11-29 02:36:37,191 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f275454 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:36:37, skipping insertion in model container [2023-11-29 02:36:37,191 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:36:37" (1/1) ... [2023-11-29 02:36:37,225 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 02:36:37,358 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_1031692a-df3f-486c-92b8-c48d822b5476/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-29.i[916,929] [2023-11-29 02:36:37,440 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:36:37,458 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 02:36:37,469 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_1031692a-df3f-486c-92b8-c48d822b5476/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-29.i[916,929] [2023-11-29 02:36:37,518 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:36:37,540 INFO L206 MainTranslator]: Completed translation [2023-11-29 02:36:37,541 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:36:37 WrapperNode [2023-11-29 02:36:37,541 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 02:36:37,542 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 02:36:37,542 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 02:36:37,542 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 02:36:37,548 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:36:37" (1/1) ... [2023-11-29 02:36:37,563 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:36:37" (1/1) ... [2023-11-29 02:36:37,597 INFO L138 Inliner]: procedures = 27, calls = 51, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 246 [2023-11-29 02:36:37,598 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 02:36:37,598 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 02:36:37,599 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 02:36:37,599 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 02:36:37,609 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:36:37" (1/1) ... [2023-11-29 02:36:37,610 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:36:37" (1/1) ... [2023-11-29 02:36:37,617 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:36:37" (1/1) ... [2023-11-29 02:36:37,631 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 02:36:37,632 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:36:37" (1/1) ... [2023-11-29 02:36:37,632 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:36:37" (1/1) ... [2023-11-29 02:36:37,656 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:36:37" (1/1) ... [2023-11-29 02:36:37,671 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:36:37" (1/1) ... [2023-11-29 02:36:37,680 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:36:37" (1/1) ... [2023-11-29 02:36:37,698 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:36:37" (1/1) ... [2023-11-29 02:36:37,703 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 02:36:37,704 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 02:36:37,704 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 02:36:37,705 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 02:36:37,706 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:36:37" (1/1) ... [2023-11-29 02:36:37,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:36:37,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:36:37,730 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 02:36:37,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 02:36:37,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 02:36:37,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 02:36:37,760 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 02:36:37,760 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 02:36:37,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 02:36:37,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 02:36:37,860 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 02:36:37,862 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 02:36:51,060 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 02:36:51,115 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 02:36:51,116 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 02:36:51,116 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:36:51 BoogieIcfgContainer [2023-11-29 02:36:51,116 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 02:36:51,119 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 02:36:51,120 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 02:36:51,123 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 02:36:51,123 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 02:36:37" (1/3) ... [2023-11-29 02:36:51,124 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29341aa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:36:51, skipping insertion in model container [2023-11-29 02:36:51,124 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:36:37" (2/3) ... [2023-11-29 02:36:51,125 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29341aa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:36:51, skipping insertion in model container [2023-11-29 02:36:51,125 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:36:51" (3/3) ... [2023-11-29 02:36:51,126 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-29.i [2023-11-29 02:36:51,156 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 02:36:51,157 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 02:36:51,200 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 02:36:51,205 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;@562a139f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 02:36:51,206 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 02:36:51,210 INFO L276 IsEmpty]: Start isEmpty. Operand has 102 states, 61 states have (on average 1.4262295081967213) internal successors, (87), 62 states have internal predecessors, (87), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2023-11-29 02:36:51,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2023-11-29 02:36:51,227 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:36:51,228 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:36:51,228 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:36:51,233 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:36:51,233 INFO L85 PathProgramCache]: Analyzing trace with hash -169731928, now seen corresponding path program 1 times [2023-11-29 02:36:51,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:36:51,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1694887020] [2023-11-29 02:36:51,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:36:51,246 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 02:36:51,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:36:51,249 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/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 02:36:51,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/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 02:36:52,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:36:52,404 INFO L262 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 02:36:52,419 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:36:52,475 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 818 proven. 0 refuted. 0 times theorem prover too weak. 1994 trivial. 0 not checked. [2023-11-29 02:36:52,476 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:36:52,476 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:36:52,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1694887020] [2023-11-29 02:36:52,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1694887020] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:36:52,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:36:52,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:36:52,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091559488] [2023-11-29 02:36:52,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:36:52,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 02:36:52,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:36:52,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 02:36:52,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 02:36:52,549 INFO L87 Difference]: Start difference. First operand has 102 states, 61 states have (on average 1.4262295081967213) internal successors, (87), 62 states have internal predecessors, (87), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) Second operand has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2023-11-29 02:36:56,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.38s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:36:56,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:36:56,992 INFO L93 Difference]: Finished difference Result 201 states and 362 transitions. [2023-11-29 02:36:57,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 02:36:57,113 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 236 [2023-11-29 02:36:57,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:36:57,120 INFO L225 Difference]: With dead ends: 201 [2023-11-29 02:36:57,121 INFO L226 Difference]: Without dead ends: 100 [2023-11-29 02:36:57,126 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 235 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 02:36:57,130 INFO L413 NwaCegarLoop]: 155 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2023-11-29 02:36:57,131 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 155 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2023-11-29 02:36:57,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2023-11-29 02:36:57,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2023-11-29 02:36:57,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 60 states have (on average 1.3666666666666667) internal successors, (82), 60 states have internal predecessors, (82), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2023-11-29 02:36:57,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 158 transitions. [2023-11-29 02:36:57,186 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 158 transitions. Word has length 236 [2023-11-29 02:36:57,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:36:57,186 INFO L495 AbstractCegarLoop]: Abstraction has 100 states and 158 transitions. [2023-11-29 02:36:57,186 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2023-11-29 02:36:57,187 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 158 transitions. [2023-11-29 02:36:57,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2023-11-29 02:36:57,192 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:36:57,192 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:36:57,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/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 02:36:57,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/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 02:36:57,393 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:36:57,394 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:36:57,394 INFO L85 PathProgramCache]: Analyzing trace with hash -1446206352, now seen corresponding path program 1 times [2023-11-29 02:36:57,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:36:57,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [955818932] [2023-11-29 02:36:57,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:36:57,395 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 02:36:57,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:36:57,396 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/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 02:36:57,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/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 02:36:58,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:36:58,576 INFO L262 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 02:36:58,587 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:37:03,469 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2023-11-29 02:37:03,469 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:37:03,469 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:37:03,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [955818932] [2023-11-29 02:37:03,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [955818932] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:37:03,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:37:03,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 02:37:03,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321027494] [2023-11-29 02:37:03,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:37:03,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 02:37:03,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:37:03,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 02:37:03,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:37:03,475 INFO L87 Difference]: Start difference. First operand 100 states and 158 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2023-11-29 02:37:09,116 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.35s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:37:13,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:37:17,135 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:37:21,673 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.34s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:37:25,691 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:37:29,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:37:33,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:37:33,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:37:33,934 INFO L93 Difference]: Finished difference Result 299 states and 473 transitions. [2023-11-29 02:37:34,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:37:34,131 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 236 [2023-11-29 02:37:34,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:37:34,137 INFO L225 Difference]: With dead ends: 299 [2023-11-29 02:37:34,137 INFO L226 Difference]: Without dead ends: 200 [2023-11-29 02:37:34,139 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-29 02:37:34,141 INFO L413 NwaCegarLoop]: 151 mSDtfsCounter, 145 mSDsluCounter, 369 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 77 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 520 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.2s IncrementalHoareTripleChecker+Time [2023-11-29 02:37:34,141 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 520 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 106 Invalid, 7 Unknown, 0 Unchecked, 30.2s Time] [2023-11-29 02:37:34,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2023-11-29 02:37:34,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 168. [2023-11-29 02:37:34,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 89 states have (on average 1.247191011235955) internal successors, (111), 89 states have internal predecessors, (111), 76 states have call successors, (76), 2 states have call predecessors, (76), 2 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2023-11-29 02:37:34,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 263 transitions. [2023-11-29 02:37:34,192 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 263 transitions. Word has length 236 [2023-11-29 02:37:34,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:37:34,193 INFO L495 AbstractCegarLoop]: Abstraction has 168 states and 263 transitions. [2023-11-29 02:37:34,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2023-11-29 02:37:34,194 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 263 transitions. [2023-11-29 02:37:34,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2023-11-29 02:37:34,199 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:37:34,199 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:37:34,219 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/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 02:37:34,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/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 02:37:34,400 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:37:34,401 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:37:34,401 INFO L85 PathProgramCache]: Analyzing trace with hash -802726447, now seen corresponding path program 1 times [2023-11-29 02:37:34,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:37:34,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1688588026] [2023-11-29 02:37:34,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:37:34,402 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 02:37:34,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:37:34,404 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/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 02:37:34,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/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 02:37:35,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:37:35,540 INFO L262 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 02:37:35,546 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:37:42,056 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 76 proven. 216 refuted. 0 times theorem prover too weak. 2520 trivial. 0 not checked. [2023-11-29 02:37:42,057 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:37:43,873 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 2701 trivial. 0 not checked. [2023-11-29 02:37:43,873 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:37:43,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1688588026] [2023-11-29 02:37:43,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1688588026] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:37:43,874 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 02:37:43,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 12 [2023-11-29 02:37:43,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467672059] [2023-11-29 02:37:43,874 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 02:37:43,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 02:37:43,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:37:43,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 02:37:43,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2023-11-29 02:37:43,878 INFO L87 Difference]: Start difference. First operand 168 states and 263 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, (75), 3 states have call predecessors, (75), 5 states have return successors, (76), 2 states have call predecessors, (76), 3 states have call successors, (76) [2023-11-29 02:37:51,888 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:37:54,256 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:37:56,521 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:38:00,925 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.40s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:38:04,932 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:38:08,939 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:38:12,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:38:16,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:38:20,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:38:24,963 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:38:28,978 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:38:32,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:38:36,989 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:38:40,992 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:38:45,000 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:38:49,005 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:38:53,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:38:57,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:39:01,021 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:39:05,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:39:09,032 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:39:12,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:39:12,046 INFO L93 Difference]: Finished difference Result 496 states and 749 transitions. [2023-11-29 02:39:12,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-11-29 02:39:12,047 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, (75), 3 states have call predecessors, (75), 5 states have return successors, (76), 2 states have call predecessors, (76), 3 states have call successors, (76) Word has length 237 [2023-11-29 02:39:12,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:39:12,057 INFO L225 Difference]: With dead ends: 496 [2023-11-29 02:39:12,058 INFO L226 Difference]: Without dead ends: 397 [2023-11-29 02:39:12,059 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 499 GetRequests, 465 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 299 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=333, Invalid=857, Unknown=0, NotChecked=0, Total=1190 [2023-11-29 02:39:12,060 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 325 mSDsluCounter, 357 mSDsCounter, 0 mSdLazyCounter, 464 mSolverCounterSat, 255 mSolverCounterUnsat, 18 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 85.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 327 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 737 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 255 IncrementalHoareTripleChecker+Valid, 464 IncrementalHoareTripleChecker+Invalid, 18 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 86.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:39:12,060 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [327 Valid, 465 Invalid, 737 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [255 Valid, 464 Invalid, 18 Unknown, 0 Unchecked, 86.1s Time] [2023-11-29 02:39:12,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2023-11-29 02:39:12,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 196. [2023-11-29 02:39:12,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 113 states have (on average 1.2212389380530972) internal successors, (138), 113 states have internal predecessors, (138), 76 states have call successors, (76), 6 states have call predecessors, (76), 6 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2023-11-29 02:39:12,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 290 transitions. [2023-11-29 02:39:12,119 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 290 transitions. Word has length 237 [2023-11-29 02:39:12,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:39:12,121 INFO L495 AbstractCegarLoop]: Abstraction has 196 states and 290 transitions. [2023-11-29 02:39:12,121 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, (75), 3 states have call predecessors, (75), 5 states have return successors, (76), 2 states have call predecessors, (76), 3 states have call successors, (76) [2023-11-29 02:39:12,121 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 290 transitions. [2023-11-29 02:39:12,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2023-11-29 02:39:12,125 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:39:12,125 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:39:12,152 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/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 02:39:12,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/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 02:39:12,326 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:39:12,326 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:39:12,326 INFO L85 PathProgramCache]: Analyzing trace with hash -760571911, now seen corresponding path program 1 times [2023-11-29 02:39:12,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:39:12,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1462088684] [2023-11-29 02:39:12,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:39:12,327 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 02:39:12,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:39:12,328 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/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 02:39:12,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-29 02:39:13,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:39:13,422 INFO L262 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 02:39:13,427 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:39:23,795 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 37 proven. 111 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2023-11-29 02:39:23,796 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:39:27,029 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 2701 trivial. 0 not checked. [2023-11-29 02:39:27,029 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:39:27,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1462088684] [2023-11-29 02:39:27,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1462088684] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:39:27,030 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 02:39:27,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 12 [2023-11-29 02:39:27,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291382672] [2023-11-29 02:39:27,030 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 02:39:27,031 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 02:39:27,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:39:27,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 02:39:27,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2023-11-29 02:39:27,032 INFO L87 Difference]: Start difference. First operand 196 states and 290 transitions. Second operand has 12 states, 12 states have (on average 8.583333333333334) internal successors, (103), 12 states have internal predecessors, (103), 4 states have call successors, (76), 3 states have call predecessors, (76), 4 states have return successors, (76), 2 states have call predecessors, (76), 4 states have call successors, (76) [2023-11-29 02:39:32,992 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:39:36,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.05s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:39:40,752 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.41s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:39:44,757 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:39:48,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:39:52,769 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:39:56,783 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:40:00,791 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:40:04,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:40:08,803 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:40:12,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:40:16,816 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:40:20,825 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:40:24,834 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:40:28,841 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:40:32,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:40:37,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.39s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:40:41,420 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:40:45,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:40:49,432 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:40:53,441 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:40:57,446 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:41:01,448 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:41:05,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:41:09,465 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:41:13,900 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.43s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:41:17,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:41:21,908 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:41:25,919 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:41:29,930 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:41:33,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:41:37,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:41:41,944 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:41:45,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:41:49,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:41:53,963 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:41:57,970 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:42:01,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:42:05,984 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:42:09,989 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:42:13,993 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:42:18,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:42:22,005 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:42:26,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.52s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:42:30,530 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:42:34,532 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:42:38,538 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:42:42,546 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:42:46,555 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:42:50,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:42:54,563 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:42:58,568 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:43:02,571 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:43:06,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:43:11,034 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.29s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:43:15,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:43:19,045 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:43:23,054 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:43:27,057 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:43:31,060 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:43:35,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:43:39,070 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:43:42,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:43:42,080 INFO L93 Difference]: Finished difference Result 475 states and 702 transitions. [2023-11-29 02:43:42,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-29 02:43:42,081 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.583333333333334) internal successors, (103), 12 states have internal predecessors, (103), 4 states have call successors, (76), 3 states have call predecessors, (76), 4 states have return successors, (76), 2 states have call predecessors, (76), 4 states have call successors, (76) Word has length 238 [2023-11-29 02:43:42,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:43:42,084 INFO L225 Difference]: With dead ends: 475 [2023-11-29 02:43:42,084 INFO L226 Difference]: Without dead ends: 356 [2023-11-29 02:43:42,085 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 479 GetRequests, 464 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2023-11-29 02:43:42,086 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 203 mSDsluCounter, 433 mSDsCounter, 0 mSdLazyCounter, 656 mSolverCounterSat, 67 mSolverCounterUnsat, 60 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 253.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 240 SdHoareTripleChecker+Valid, 547 SdHoareTripleChecker+Invalid, 783 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 656 IncrementalHoareTripleChecker+Invalid, 60 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 254.4s IncrementalHoareTripleChecker+Time [2023-11-29 02:43:42,086 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [240 Valid, 547 Invalid, 783 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 656 Invalid, 60 Unknown, 0 Unchecked, 254.4s Time] [2023-11-29 02:43:42,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2023-11-29 02:43:42,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 311. [2023-11-29 02:43:42,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 311 states, 187 states have (on average 1.2513368983957218) internal successors, (234), 187 states have internal predecessors, (234), 114 states have call successors, (114), 9 states have call predecessors, (114), 9 states have return successors, (114), 114 states have call predecessors, (114), 114 states have call successors, (114) [2023-11-29 02:43:42,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 462 transitions. [2023-11-29 02:43:42,154 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 462 transitions. Word has length 238 [2023-11-29 02:43:42,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:43:42,155 INFO L495 AbstractCegarLoop]: Abstraction has 311 states and 462 transitions. [2023-11-29 02:43:42,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.583333333333334) internal successors, (103), 12 states have internal predecessors, (103), 4 states have call successors, (76), 3 states have call predecessors, (76), 4 states have return successors, (76), 2 states have call predecessors, (76), 4 states have call successors, (76) [2023-11-29 02:43:42,156 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 462 transitions. [2023-11-29 02:43:42,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2023-11-29 02:43:42,159 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:43:42,159 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:43:42,186 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/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)] Ended with exit code 0 [2023-11-29 02:43:42,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/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 02:43:42,360 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:43:42,360 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:43:42,361 INFO L85 PathProgramCache]: Analyzing trace with hash -339471471, now seen corresponding path program 1 times [2023-11-29 02:43:42,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:43:42,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [400431903] [2023-11-29 02:43:42,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:43:42,362 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 02:43:42,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:43:42,363 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/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 02:43:42,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/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 02:43:43,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:43,456 INFO L262 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 02:43:43,460 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:43:46,884 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2023-11-29 02:43:46,884 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:43:46,884 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:43:46,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [400431903] [2023-11-29 02:43:46,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [400431903] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:43:46,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:43:46,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 02:43:46,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753771715] [2023-11-29 02:43:46,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:43:46,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 02:43:46,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:43:46,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 02:43:46,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 02:43:46,887 INFO L87 Difference]: Start difference. First operand 311 states and 462 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2023-11-29 02:43:51,750 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.42s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:43:55,757 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:44:00,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.40s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:44:04,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:44:08,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:44:08,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:44:08,382 INFO L93 Difference]: Finished difference Result 474 states and 706 transitions. [2023-11-29 02:44:08,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 02:44:08,527 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 239 [2023-11-29 02:44:08,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:44:08,530 INFO L225 Difference]: With dead ends: 474 [2023-11-29 02:44:08,530 INFO L226 Difference]: Without dead ends: 355 [2023-11-29 02:44:08,531 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:44:08,532 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 80 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 78 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 454 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.4s IncrementalHoareTripleChecker+Time [2023-11-29 02:44:08,532 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 454 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 8 Invalid, 5 Unknown, 0 Unchecked, 21.4s Time] [2023-11-29 02:44:08,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2023-11-29 02:44:08,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 317. [2023-11-29 02:44:08,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317 states, 193 states have (on average 1.2487046632124352) internal successors, (241), 193 states have internal predecessors, (241), 114 states have call successors, (114), 9 states have call predecessors, (114), 9 states have return successors, (114), 114 states have call predecessors, (114), 114 states have call successors, (114) [2023-11-29 02:44:08,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 469 transitions. [2023-11-29 02:44:08,587 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 469 transitions. Word has length 239 [2023-11-29 02:44:08,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:44:08,588 INFO L495 AbstractCegarLoop]: Abstraction has 317 states and 469 transitions. [2023-11-29 02:44:08,588 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2023-11-29 02:44:08,588 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 469 transitions. [2023-11-29 02:44:08,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2023-11-29 02:44:08,591 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:44:08,592 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:44:08,619 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/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 02:44:08,792 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/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 02:44:08,792 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:44:08,793 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:44:08,793 INFO L85 PathProgramCache]: Analyzing trace with hash -819669733, now seen corresponding path program 1 times [2023-11-29 02:44:08,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:44:08,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1264736755] [2023-11-29 02:44:08,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:44:08,794 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 02:44:08,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:44:08,794 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/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 02:44:08,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/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 02:44:09,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:09,897 INFO L262 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 02:44:09,902 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:44:16,304 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 1311 proven. 72 refuted. 0 times theorem prover too weak. 1429 trivial. 0 not checked. [2023-11-29 02:44:16,305 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:44:17,659 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:44:17,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1264736755] [2023-11-29 02:44:17,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1264736755] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 02:44:17,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [453085440] [2023-11-29 02:44:17,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:44:17,660 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 02:44:17,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 02:44:17,662 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 02:44:17,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-11-29 02:44:20,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:20,197 INFO L262 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 02:44:20,204 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:44:26,317 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 1311 proven. 72 refuted. 0 times theorem prover too weak. 1429 trivial. 0 not checked. [2023-11-29 02:44:26,317 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:44:27,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [453085440] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 02:44:27,426 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 02:44:27,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2023-11-29 02:44:27,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293746690] [2023-11-29 02:44:27,427 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 02:44:27,428 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 02:44:27,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:44:27,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 02:44:27,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2023-11-29 02:44:27,429 INFO L87 Difference]: Start difference. First operand 317 states and 469 transitions. Second operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 6 states have internal predecessors, (58), 2 states have call successors, (38), 2 states have call predecessors, (38), 3 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2023-11-29 02:44:36,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.43s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 02:44:40,058 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 02:44:44,065 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 02:44:48,688 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.42s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:44:52,694 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:44:56,701 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 02:45:00,703 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:45:08,460 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.42s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:45:12,463 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:45:16,472 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:45:20,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:45:24,486 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 02:45:28,495 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:45:28,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:45:28,714 INFO L93 Difference]: Finished difference Result 922 states and 1350 transitions. [2023-11-29 02:45:28,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-29 02:45:28,715 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 6 states have internal predecessors, (58), 2 states have call successors, (38), 2 states have call predecessors, (38), 3 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 239 [2023-11-29 02:45:28,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:45:28,720 INFO L225 Difference]: With dead ends: 922 [2023-11-29 02:45:28,720 INFO L226 Difference]: Without dead ends: 688 [2023-11-29 02:45:28,722 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 810 GetRequests, 792 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=126, Invalid=254, Unknown=0, NotChecked=0, Total=380 [2023-11-29 02:45:28,722 INFO L413 NwaCegarLoop]: 178 mSDtfsCounter, 231 mSDsluCounter, 405 mSDsCounter, 0 mSdLazyCounter, 546 mSolverCounterSat, 80 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 59.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 583 SdHoareTripleChecker+Invalid, 639 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 546 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 60.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:45:28,723 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [245 Valid, 583 Invalid, 639 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 546 Invalid, 13 Unknown, 0 Unchecked, 60.0s Time] [2023-11-29 02:45:28,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 688 states. [2023-11-29 02:45:28,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 688 to 448. [2023-11-29 02:45:28,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 448 states, 280 states have (on average 1.2607142857142857) internal successors, (353), 280 states have internal predecessors, (353), 152 states have call successors, (152), 15 states have call predecessors, (152), 15 states have return successors, (152), 152 states have call predecessors, (152), 152 states have call successors, (152) [2023-11-29 02:45:28,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 657 transitions. [2023-11-29 02:45:28,827 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 657 transitions. Word has length 239 [2023-11-29 02:45:28,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:45:28,828 INFO L495 AbstractCegarLoop]: Abstraction has 448 states and 657 transitions. [2023-11-29 02:45:28,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 6 states have internal predecessors, (58), 2 states have call successors, (38), 2 states have call predecessors, (38), 3 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2023-11-29 02:45:28,829 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 657 transitions. [2023-11-29 02:45:28,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2023-11-29 02:45:28,831 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:45:28,831 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:45:28,861 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/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 02:45:29,047 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-11-29 02:45:29,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt [2023-11-29 02:45:29,232 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:45:29,232 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:45:29,232 INFO L85 PathProgramCache]: Analyzing trace with hash 606614891, now seen corresponding path program 1 times [2023-11-29 02:45:29,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:45:29,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2047935560] [2023-11-29 02:45:29,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:45:29,233 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 02:45:29,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:45:29,234 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/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 02:45:29,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/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 02:45:30,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:30,346 INFO L262 TraceCheckSpWp]: Trace formula consists of 393 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-29 02:45:30,352 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:45:40,450 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 1261 proven. 216 refuted. 0 times theorem prover too weak. 1335 trivial. 0 not checked. [2023-11-29 02:45:40,451 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:45:43,969 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:45:43,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2047935560] [2023-11-29 02:45:43,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2047935560] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 02:45:43,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2057194353] [2023-11-29 02:45:43,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:45:43,970 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 02:45:43,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 02:45:43,971 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 02:45:43,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031692a-df3f-486c-92b8-c48d822b5476/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-11-29 02:45:49,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:49,505 INFO L262 TraceCheckSpWp]: Trace formula consists of 393 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-29 02:45:49,514 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:46:08,485 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 1903 proven. 267 refuted. 0 times theorem prover too weak. 642 trivial. 0 not checked. [2023-11-29 02:46:08,486 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:46:14,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2057194353] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 02:46:14,595 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 02:46:14,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 21] total 25 [2023-11-29 02:46:14,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437060101] [2023-11-29 02:46:14,596 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 02:46:14,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-11-29 02:46:14,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:46:14,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-11-29 02:46:14,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=229, Invalid=892, Unknown=1, NotChecked=0, Total=1122 [2023-11-29 02:46:14,599 INFO L87 Difference]: Start difference. First operand 448 states and 657 transitions. Second operand has 25 states, 25 states have (on average 4.08) internal successors, (102), 24 states have internal predecessors, (102), 6 states have call successors, (51), 6 states have call predecessors, (51), 9 states have return successors, (52), 6 states have call predecessors, (52), 6 states have call successors, (52) [2023-11-29 02:46:30,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.44s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]