./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-22.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-22.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/bin/utaipan-verify-t7M7D8N6sZ --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ffde3abd1302fbd87206750d0310c01693ddf151d98835d8cfad33c14bb4faac --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:13:10,647 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:13:10,731 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 05:13:10,737 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:13:10,738 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:13:10,766 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:13:10,767 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:13:10,767 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:13:10,768 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:13:10,769 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:13:10,770 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:13:10,770 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:13:10,771 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:13:10,772 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:13:10,772 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:13:10,773 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:13:10,774 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:13:10,774 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:13:10,775 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:13:10,776 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:13:10,777 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:13:10,778 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:13:10,779 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:13:10,780 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:13:10,780 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:13:10,781 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:13:10,782 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:13:10,783 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:13:10,783 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:13:10,784 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:13:10,784 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:13:10,785 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:13:10,785 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:13:10,786 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:13:10,787 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:13:10,787 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:13:10,788 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:13:10,788 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:13:10,789 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:13:10,789 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:13:10,789 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:13:10,793 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:13:10,793 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:13:10,793 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:13:10,794 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:13:10,794 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ffde3abd1302fbd87206750d0310c01693ddf151d98835d8cfad33c14bb4faac [2023-11-19 05:13:11,103 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:13:11,128 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:13:11,131 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:13:11,132 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:13:11,133 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:13:11,134 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-22.i [2023-11-19 05:13:14,481 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:13:14,780 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:13:14,781 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-22.i [2023-11-19 05:13:14,793 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/bin/utaipan-verify-t7M7D8N6sZ/data/cb5383ac7/e4734bdf6a2c48e3ad0d7c534ccdd835/FLAG567de5dae [2023-11-19 05:13:14,806 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/bin/utaipan-verify-t7M7D8N6sZ/data/cb5383ac7/e4734bdf6a2c48e3ad0d7c534ccdd835 [2023-11-19 05:13:14,809 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:13:14,811 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:13:14,813 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:13:14,813 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:13:14,820 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:13:14,821 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:13:14" (1/1) ... [2023-11-19 05:13:14,822 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@509842e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:14, skipping insertion in model container [2023-11-19 05:13:14,823 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:13:14" (1/1) ... [2023-11-19 05:13:14,870 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:13:15,033 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_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-22.i[916,929] [2023-11-19 05:13:15,147 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:13:15,162 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:13:15,177 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_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-22.i[916,929] [2023-11-19 05:13:15,227 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:13:15,247 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:13:15,248 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:15 WrapperNode [2023-11-19 05:13:15,248 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:13:15,249 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:13:15,250 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:13:15,250 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:13:15,258 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:15" (1/1) ... [2023-11-19 05:13:15,286 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:15" (1/1) ... [2023-11-19 05:13:15,351 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 254 [2023-11-19 05:13:15,351 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:13:15,352 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:13:15,352 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:13:15,352 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:13:15,363 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:15" (1/1) ... [2023-11-19 05:13:15,363 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:15" (1/1) ... [2023-11-19 05:13:15,369 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:15" (1/1) ... [2023-11-19 05:13:15,369 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:15" (1/1) ... [2023-11-19 05:13:15,392 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:15" (1/1) ... [2023-11-19 05:13:15,397 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:15" (1/1) ... [2023-11-19 05:13:15,401 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:15" (1/1) ... [2023-11-19 05:13:15,405 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:15" (1/1) ... [2023-11-19 05:13:15,414 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:13:15,415 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:13:15,415 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:13:15,415 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:13:15,416 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:15" (1/1) ... [2023-11-19 05:13:15,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:13:15,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:13:15,466 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:13:15,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:13:15,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:13:15,513 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:13:15,514 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:13:15,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:13:15,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:13:15,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:13:15,660 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:13:15,664 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:13:16,306 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:13:16,938 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:13:16,938 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:13:16,949 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:13:16 BoogieIcfgContainer [2023-11-19 05:13:16,949 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:13:16,953 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:13:16,953 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:13:16,957 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:13:16,957 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:13:14" (1/3) ... [2023-11-19 05:13:16,958 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59efc08c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:13:16, skipping insertion in model container [2023-11-19 05:13:16,959 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:15" (2/3) ... [2023-11-19 05:13:16,961 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59efc08c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:13:16, skipping insertion in model container [2023-11-19 05:13:16,961 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:13:16" (3/3) ... [2023-11-19 05:13:16,963 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-22.i [2023-11-19 05:13:16,986 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:13:16,987 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:13:17,073 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:13:17,115 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=FINITE_AUTOMATA, 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;@707629b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:13:17,116 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:13:17,120 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 23 states have internal predecessors, (25), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-19 05:13:17,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-11-19 05:13:17,135 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:13:17,136 INFO L195 NwaCegarLoop]: trace histogram [31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:13:17,137 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:13:17,142 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:13:17,143 INFO L85 PathProgramCache]: Analyzing trace with hash 2050102318, now seen corresponding path program 1 times [2023-11-19 05:13:17,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:13:17,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420182815] [2023-11-19 05:13:17,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:13:17,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:13:17,485 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 05:13:17,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1146435128] [2023-11-19 05:13:17,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:13:17,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:13:17,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:13:17,490 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:13:17,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 05:13:18,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:13:18,001 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 05:13:18,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:13:18,387 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 05:13:18,390 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 05:13:18,391 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 05:13:18,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-19 05:13:18,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-19 05:13:18,607 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 05:13:18,611 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:13:18,756 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:13:18 BoogieIcfgContainer [2023-11-19 05:13:18,756 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:13:18,757 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:13:18,757 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:13:18,757 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:13:18,758 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:13:16" (3/4) ... [2023-11-19 05:13:18,760 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 05:13:18,761 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:13:18,762 INFO L158 Benchmark]: Toolchain (without parser) took 3950.97ms. Allocated memory is still 165.7MB. Free memory was 118.6MB in the beginning and 70.7MB in the end (delta: 47.9MB). Peak memory consumption was 51.1MB. Max. memory is 16.1GB. [2023-11-19 05:13:18,763 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 63.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:13:18,764 INFO L158 Benchmark]: CACSL2BoogieTranslator took 435.76ms. Allocated memory is still 165.7MB. Free memory was 117.9MB in the beginning and 101.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 05:13:18,764 INFO L158 Benchmark]: Boogie Procedure Inliner took 101.98ms. Allocated memory is still 165.7MB. Free memory was 101.1MB in the beginning and 95.6MB in the end (delta: 5.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 05:13:18,765 INFO L158 Benchmark]: Boogie Preprocessor took 62.14ms. Allocated memory is still 165.7MB. Free memory was 95.6MB in the beginning and 92.7MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 05:13:18,766 INFO L158 Benchmark]: RCFGBuilder took 1534.49ms. Allocated memory is still 165.7MB. Free memory was 92.7MB in the beginning and 64.6MB in the end (delta: 28.1MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2023-11-19 05:13:18,766 INFO L158 Benchmark]: TraceAbstraction took 1803.48ms. Allocated memory is still 165.7MB. Free memory was 64.2MB in the beginning and 70.7MB in the end (delta: -6.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:13:18,767 INFO L158 Benchmark]: Witness Printer took 4.51ms. Allocated memory is still 165.7MB. Free memory is still 70.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:13:18,771 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 63.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 435.76ms. Allocated memory is still 165.7MB. Free memory was 117.9MB in the beginning and 101.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 101.98ms. Allocated memory is still 165.7MB. Free memory was 101.1MB in the beginning and 95.6MB in the end (delta: 5.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.14ms. Allocated memory is still 165.7MB. Free memory was 95.6MB in the beginning and 92.7MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1534.49ms. Allocated memory is still 165.7MB. Free memory was 92.7MB in the beginning and 64.6MB in the end (delta: 28.1MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1803.48ms. Allocated memory is still 165.7MB. Free memory was 64.2MB in the beginning and 70.7MB in the end (delta: -6.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.51ms. Allocated memory is still 165.7MB. Free memory is still 70.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 69, overapproximation of bitwiseOr at line 66, overapproximation of shiftLeft at line 125, overapproximation of someBinaryDOUBLEComparisonOperation at line 95. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 32; [L23] signed short int var_1_6 = -1; [L24] unsigned char var_1_7 = 1; [L25] unsigned char var_1_8 = 1; [L26] signed char var_1_9 = -128; [L27] signed char var_1_12 = 10; [L28] signed char var_1_13 = -64; [L29] signed char var_1_14 = 1; [L30] signed char var_1_15 = -25; [L31] unsigned short int var_1_16 = 256; [L32] signed char var_1_18 = 4; [L33] float var_1_19 = 100.5; [L34] float var_1_20 = 4.5; [L35] signed char var_1_21 = 0; [L36] signed char var_1_22 = 64; [L37] signed char var_1_23 = 2; [L38] signed char var_1_24 = 4; [L39] unsigned long int var_1_25 = 8; [L40] unsigned char var_1_27 = 50; [L41] unsigned char var_1_28 = 5; [L42] signed short int var_1_29 = 32; [L43] signed long int var_1_30 = 1; [L44] signed long int var_1_31 = 0; [L45] unsigned char var_1_33 = 2; [L46] unsigned char var_1_34 = 128; [L47] unsigned char var_1_35 = 2; [L48] unsigned char var_1_36 = 200; [L49] unsigned char var_1_37 = 32; [L50] double var_1_38 = 10.3; [L51] signed short int var_1_39 = -256; [L52] signed short int last_1_var_1_6 = -1; [L53] signed char last_1_var_1_9 = -128; [L54] unsigned short int last_1_var_1_16 = 256; [L55] signed char last_1_var_1_18 = 4; [L56] float last_1_var_1_19 = 100.5; [L57] unsigned long int last_1_var_1_25 = 8; [L58] unsigned char last_1_var_1_27 = 50; [L59] signed short int last_1_var_1_29 = 32; [L60] unsigned char last_1_var_1_33 = 2; [L61] unsigned char last_1_var_1_35 = 2; [L208] isInitial = 1 [L209] FCALL initially() [L210] COND TRUE 1 [L211] CALL updateLastVariables() [L192] last_1_var_1_6 = var_1_6 [L193] last_1_var_1_9 = var_1_9 [L194] last_1_var_1_16 = var_1_16 [L195] last_1_var_1_18 = var_1_18 [L196] last_1_var_1_19 = var_1_19 [L197] last_1_var_1_25 = var_1_25 [L198] last_1_var_1_27 = var_1_27 [L199] last_1_var_1_29 = var_1_29 [L200] last_1_var_1_33 = var_1_33 [L201] last_1_var_1_35 = var_1_35 [L211] RET updateLastVariables() [L212] CALL updateVariables() [L143] var_1_7 = __VERIFIER_nondet_uchar() [L144] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=10, var_1_13=-64, var_1_14=1, var_1_15=-25, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_8=1, var_1_9=-128] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=10, var_1_13=-64, var_1_14=1, var_1_15=-25, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_8=1, var_1_9=-128] [L145] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=10, var_1_13=-64, var_1_14=1, var_1_15=-25, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=1, var_1_9=-128] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=10, var_1_13=-64, var_1_14=1, var_1_15=-25, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=1, var_1_9=-128] [L146] var_1_8 = __VERIFIER_nondet_uchar() [L147] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=10, var_1_13=-64, var_1_14=1, var_1_15=-25, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=10, var_1_13=-64, var_1_14=1, var_1_15=-25, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L148] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=10, var_1_13=-64, var_1_14=1, var_1_15=-25, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=10, var_1_13=-64, var_1_14=1, var_1_15=-25, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L149] var_1_12 = __VERIFIER_nondet_char() [L150] CALL assume_abort_if_not(var_1_12 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=-64, var_1_14=1, var_1_15=-25, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_12 >= -127) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=-64, var_1_14=1, var_1_15=-25, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L151] CALL assume_abort_if_not(var_1_12 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=-64, var_1_14=1, var_1_15=-25, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_12 <= 126) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=-64, var_1_14=1, var_1_15=-25, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L152] var_1_13 = __VERIFIER_nondet_char() [L153] CALL assume_abort_if_not(var_1_13 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=-25, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_13 >= -127) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=-25, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L154] CALL assume_abort_if_not(var_1_13 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=-25, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_13 <= 126) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=-25, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L155] var_1_14 = __VERIFIER_nondet_char() [L156] CALL assume_abort_if_not(var_1_14 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=0, var_1_14=-4, var_1_15=-25, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_14 >= -63) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=0, var_1_14=-4, var_1_15=-25, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L157] CALL assume_abort_if_not(var_1_14 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=0, var_1_14=-4, var_1_15=-25, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_14 <= 63) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=0, var_1_14=-4, var_1_15=-25, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L158] var_1_15 = __VERIFIER_nondet_char() [L159] CALL assume_abort_if_not(var_1_15 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=0, var_1_14=-4, var_1_15=4, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_15 >= -63) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=0, var_1_14=-4, var_1_15=4, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L160] CALL assume_abort_if_not(var_1_15 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=0, var_1_14=-4, var_1_15=4, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_15 <= 63) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=0, var_1_14=-4, var_1_15=4, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L161] var_1_20 = __VERIFIER_nondet_float() [L162] CALL assume_abort_if_not((var_1_20 >= -922337.2036854765600e+13F && 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_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=0, var_1_14=-4, var_1_15=4, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not((var_1_20 >= -922337.2036854765600e+13F && 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_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=0, var_1_14=-4, var_1_15=4, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L163] var_1_22 = __VERIFIER_nondet_char() [L164] CALL assume_abort_if_not(var_1_22 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=0, var_1_14=-4, var_1_15=4, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=2, var_1_21=0, var_1_22=112, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_22 >= -1) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=0, var_1_14=-4, var_1_15=4, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=2, var_1_21=0, var_1_22=112, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L165] CALL assume_abort_if_not(var_1_22 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=0, var_1_14=-4, var_1_15=4, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=2, var_1_21=0, var_1_22=112, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_22 <= 126) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=0, var_1_14=-4, var_1_15=4, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=2, var_1_21=0, var_1_22=112, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L166] var_1_23 = __VERIFIER_nondet_char() [L167] CALL assume_abort_if_not(var_1_23 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=0, var_1_14=-4, var_1_15=4, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=2, var_1_21=0, var_1_22=112, var_1_23=63, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_23 >= 0) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=0, var_1_14=-4, var_1_15=4, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=2, var_1_21=0, var_1_22=112, var_1_23=63, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L168] CALL assume_abort_if_not(var_1_23 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=0, var_1_14=-4, var_1_15=4, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=2, var_1_21=0, var_1_22=112, var_1_23=63, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_23 <= 63) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=0, var_1_14=-4, var_1_15=4, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=2, var_1_21=0, var_1_22=112, var_1_23=63, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L169] var_1_24 = __VERIFIER_nondet_char() [L170] CALL assume_abort_if_not(var_1_24 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=0, var_1_14=-4, var_1_15=4, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=2, var_1_21=0, var_1_22=112, var_1_23=63, var_1_24=49, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_24 >= 0) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=0, var_1_14=-4, var_1_15=4, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=2, var_1_21=0, var_1_22=112, var_1_23=63, var_1_24=49, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L171] CALL assume_abort_if_not(var_1_24 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=0, var_1_14=-4, var_1_15=4, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=2, var_1_21=0, var_1_22=112, var_1_23=63, var_1_24=49, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_24 <= 63) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=0, var_1_14=-4, var_1_15=4, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=2, var_1_21=0, var_1_22=112, var_1_23=63, var_1_24=49, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L172] var_1_28 = __VERIFIER_nondet_uchar() [L173] CALL assume_abort_if_not(var_1_28 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=0, var_1_14=-4, var_1_15=4, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=2, var_1_21=0, var_1_22=112, var_1_23=63, var_1_24=49, var_1_25=8, var_1_27=50, var_1_28=64, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_28 >= 0) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=0, var_1_14=-4, var_1_15=4, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=2, var_1_21=0, var_1_22=112, var_1_23=63, var_1_24=49, var_1_25=8, var_1_27=50, var_1_28=64, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L174] CALL assume_abort_if_not(var_1_28 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=0, var_1_14=-4, var_1_15=4, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=2, var_1_21=0, var_1_22=112, var_1_23=63, var_1_24=49, var_1_25=8, var_1_27=50, var_1_28=64, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_28 <= 127) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=0, var_1_14=-4, var_1_15=4, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=2, var_1_21=0, var_1_22=112, var_1_23=63, var_1_24=49, var_1_25=8, var_1_27=50, var_1_28=64, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L175] var_1_30 = __VERIFIER_nondet_long() [L176] CALL assume_abort_if_not(var_1_30 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=0, var_1_14=-4, var_1_15=4, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=2, var_1_21=0, var_1_22=112, var_1_23=63, var_1_24=49, var_1_25=8, var_1_27=50, var_1_28=64, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not(var_1_30 >= 0) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=0, var_1_14=-4, var_1_15=4, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=2, var_1_21=0, var_1_22=112, var_1_23=63, var_1_24=49, var_1_25=8, var_1_27=50, var_1_28=64, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L177] CALL assume_abort_if_not(var_1_30 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=0, var_1_14=-4, var_1_15=4, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=2, var_1_21=0, var_1_22=112, var_1_23=63, var_1_24=49, var_1_25=8, var_1_27=50, var_1_28=64, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_30 <= 1) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=0, var_1_14=-4, var_1_15=4, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=2, var_1_21=0, var_1_22=112, var_1_23=63, var_1_24=49, var_1_25=8, var_1_27=50, var_1_28=64, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L178] var_1_31 = __VERIFIER_nondet_long() [L179] CALL assume_abort_if_not(var_1_31 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=0, var_1_14=-4, var_1_15=4, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=2, var_1_21=0, var_1_22=112, var_1_23=63, var_1_24=49, var_1_25=8, var_1_27=50, var_1_28=64, var_1_29=32, var_1_30=1, var_1_31=1, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L179] RET assume_abort_if_not(var_1_31 >= 0) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=0, var_1_14=-4, var_1_15=4, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=2, var_1_21=0, var_1_22=112, var_1_23=63, var_1_24=49, var_1_25=8, var_1_27=50, var_1_28=64, var_1_29=32, var_1_30=1, var_1_31=1, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L180] CALL assume_abort_if_not(var_1_31 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=0, var_1_14=-4, var_1_15=4, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=2, var_1_21=0, var_1_22=112, var_1_23=63, var_1_24=49, var_1_25=8, var_1_27=50, var_1_28=64, var_1_29=32, var_1_30=1, var_1_31=1, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L180] RET assume_abort_if_not(var_1_31 <= 1) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=0, var_1_14=-4, var_1_15=4, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=2, var_1_21=0, var_1_22=112, var_1_23=63, var_1_24=49, var_1_25=8, var_1_27=50, var_1_28=64, var_1_29=32, var_1_30=1, var_1_31=1, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L181] var_1_34 = __VERIFIER_nondet_uchar() [L182] CALL assume_abort_if_not(var_1_34 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=0, var_1_14=-4, var_1_15=4, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=2, var_1_21=0, var_1_22=112, var_1_23=63, var_1_24=49, var_1_25=8, var_1_27=50, var_1_28=64, var_1_29=32, var_1_30=1, var_1_31=1, var_1_33=2, var_1_34=127, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L182] RET assume_abort_if_not(var_1_34 >= 127) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=0, var_1_14=-4, var_1_15=4, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=2, var_1_21=0, var_1_22=112, var_1_23=63, var_1_24=49, var_1_25=8, var_1_27=50, var_1_28=64, var_1_29=32, var_1_30=1, var_1_31=1, var_1_33=2, var_1_34=127, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L183] CALL assume_abort_if_not(var_1_34 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=0, var_1_14=-4, var_1_15=4, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=2, var_1_21=0, var_1_22=112, var_1_23=63, var_1_24=49, var_1_25=8, var_1_27=50, var_1_28=64, var_1_29=32, var_1_30=1, var_1_31=1, var_1_33=2, var_1_34=127, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L183] RET assume_abort_if_not(var_1_34 <= 254) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=0, var_1_14=-4, var_1_15=4, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=2, var_1_21=0, var_1_22=112, var_1_23=63, var_1_24=49, var_1_25=8, var_1_27=50, var_1_28=64, var_1_29=32, var_1_30=1, var_1_31=1, var_1_33=2, var_1_34=127, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L184] var_1_36 = __VERIFIER_nondet_uchar() [L185] CALL assume_abort_if_not(var_1_36 >= 190) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=0, var_1_14=-4, var_1_15=4, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=2, var_1_21=0, var_1_22=112, var_1_23=63, var_1_24=49, var_1_25=8, var_1_27=50, var_1_28=64, var_1_29=32, var_1_30=1, var_1_31=1, var_1_33=2, var_1_34=127, var_1_35=2, var_1_36=190, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L185] RET assume_abort_if_not(var_1_36 >= 190) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=0, var_1_14=-4, var_1_15=4, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=2, var_1_21=0, var_1_22=112, var_1_23=63, var_1_24=49, var_1_25=8, var_1_27=50, var_1_28=64, var_1_29=32, var_1_30=1, var_1_31=1, var_1_33=2, var_1_34=127, var_1_35=2, var_1_36=190, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L186] CALL assume_abort_if_not(var_1_36 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=0, var_1_14=-4, var_1_15=4, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=2, var_1_21=0, var_1_22=112, var_1_23=63, var_1_24=49, var_1_25=8, var_1_27=50, var_1_28=64, var_1_29=32, var_1_30=1, var_1_31=1, var_1_33=2, var_1_34=127, var_1_35=2, var_1_36=190, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L186] RET assume_abort_if_not(var_1_36 <= 254) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=0, var_1_14=-4, var_1_15=4, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=2, var_1_21=0, var_1_22=112, var_1_23=63, var_1_24=49, var_1_25=8, var_1_27=50, var_1_28=64, var_1_29=32, var_1_30=1, var_1_31=1, var_1_33=2, var_1_34=127, var_1_35=2, var_1_36=190, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L187] var_1_37 = __VERIFIER_nondet_uchar() [L188] CALL assume_abort_if_not(var_1_37 >= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=0, var_1_14=-4, var_1_15=4, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=2, var_1_21=0, var_1_22=112, var_1_23=63, var_1_24=49, var_1_25=8, var_1_27=50, var_1_28=64, var_1_29=32, var_1_30=1, var_1_31=1, var_1_33=2, var_1_34=127, var_1_35=2, var_1_36=190, var_1_37=63, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L188] RET assume_abort_if_not(var_1_37 >= 31) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=0, var_1_14=-4, var_1_15=4, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=2, var_1_21=0, var_1_22=112, var_1_23=63, var_1_24=49, var_1_25=8, var_1_27=50, var_1_28=64, var_1_29=32, var_1_30=1, var_1_31=1, var_1_33=2, var_1_34=127, var_1_35=2, var_1_36=190, var_1_37=63, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L189] CALL assume_abort_if_not(var_1_37 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=0, var_1_14=-4, var_1_15=4, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=2, var_1_21=0, var_1_22=112, var_1_23=63, var_1_24=49, var_1_25=8, var_1_27=50, var_1_28=64, var_1_29=32, var_1_30=1, var_1_31=1, var_1_33=2, var_1_34=127, var_1_35=2, var_1_36=190, var_1_37=63, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L189] RET assume_abort_if_not(var_1_37 <= 63) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=0, var_1_14=-4, var_1_15=4, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=2, var_1_21=0, var_1_22=112, var_1_23=63, var_1_24=49, var_1_25=8, var_1_27=50, var_1_28=64, var_1_29=32, var_1_30=1, var_1_31=1, var_1_33=2, var_1_34=127, var_1_35=2, var_1_36=190, var_1_37=63, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L212] RET updateVariables() [L213] CALL step() [L65] signed long int stepLocal_0 = 50 * last_1_var_1_29; [L66] EXPR last_1_var_1_16 | last_1_var_1_9 [L66] COND FALSE !((last_1_var_1_16 | last_1_var_1_9) >= stepLocal_0) [L69] COND TRUE (last_1_var_1_19 + last_1_var_1_19) > 200.875f [L70] COND TRUE last_1_var_1_25 > last_1_var_1_18 [L71] var_1_9 = ((((var_1_12) > (((((var_1_13) > ((var_1_14 + var_1_15))) ? (var_1_13) : ((var_1_14 + var_1_15)))))) ? (var_1_12) : (((((var_1_13) > ((var_1_14 + var_1_15))) ? (var_1_13) : ((var_1_14 + var_1_15))))))) [L76] signed long int stepLocal_4 = last_1_var_1_9; [L77] signed long int stepLocal_3 = var_1_24 % var_1_34; [L78] COND FALSE !(last_1_var_1_16 <= stepLocal_4) [L81] COND FALSE !(stepLocal_3 >= last_1_var_1_27) [L89] var_1_19 = var_1_20 [L90] var_1_21 = ((((var_1_12) < ((var_1_22 - (var_1_23 + var_1_24)))) ? (var_1_12) : ((var_1_22 - (var_1_23 + var_1_24))))) [L91] var_1_27 = ((((((var_1_24 + 50)) > (var_1_23)) ? ((var_1_24 + 50)) : (var_1_23))) + var_1_28) [L92] var_1_38 = var_1_20 [L93] var_1_39 = 128 [L94] unsigned char stepLocal_2 = var_1_7; [L95] COND FALSE !(var_1_38 <= ((((var_1_38) > (var_1_19)) ? (var_1_38) : (var_1_19)))) [L100] var_1_25 = 2u [L102] COND FALSE !(\read(var_1_7)) [L109] var_1_16 = var_1_9 [L111] signed long int stepLocal_5 = var_1_30 + var_1_39; [L112] COND TRUE (var_1_25 - last_1_var_1_35) <= stepLocal_5 [L113] COND FALSE !(\read(var_1_7)) [L116] var_1_35 = ((var_1_36 - (var_1_37 - var_1_30)) - ((((var_1_28) < (var_1_24)) ? (var_1_28) : (var_1_24)))) [L119] unsigned short int stepLocal_1 = var_1_1; [L120] COND TRUE stepLocal_1 <= var_1_35 [L121] var_1_18 = (((((((((4) < 0 ) ? -(4) : (4)))) < (var_1_15)) ? (((((4) < 0 ) ? -(4) : (4)))) : (var_1_15))) + var_1_14) [L125] EXPR var_1_35 << ((((var_1_30) > (var_1_31)) ? (var_1_30) : (var_1_31))) [L125] COND TRUE (var_1_35 << ((((var_1_30) > (var_1_31)) ? (var_1_30) : (var_1_31)))) >= var_1_18 [L126] COND TRUE var_1_35 != ((((-64) > (var_1_23)) ? (-64) : (var_1_23))) [L127] var_1_29 = (((((50 + var_1_23) - var_1_33) < 0 ) ? -((50 + var_1_23) - var_1_33) : ((50 + var_1_23) - var_1_33))) [L132] COND FALSE !(var_1_21 > var_1_29) [L135] COND FALSE !(var_1_7 && var_1_8) [L138] var_1_6 = -2 [L213] RET step() [L214] CALL, EXPR property() [L204] EXPR last_1_var_1_16 | last_1_var_1_9 [L204] EXPR (((((((((((last_1_var_1_16 | last_1_var_1_9) >= (50 * last_1_var_1_29)) ? (var_1_1 == ((unsigned short int) ((((last_1_var_1_9) < (((((last_1_var_1_16) > (last_1_var_1_33)) ? (last_1_var_1_16) : (last_1_var_1_33))))) ? (last_1_var_1_9) : (((((last_1_var_1_16) > (last_1_var_1_33)) ? (last_1_var_1_16) : (last_1_var_1_33)))))))) : 1) && ((var_1_21 > var_1_29) ? (var_1_6 == ((signed short int) (var_1_21 - last_1_var_1_6))) : ((var_1_7 && var_1_8) ? (var_1_6 == ((signed short int) last_1_var_1_6)) : (var_1_6 == ((signed short int) -2))))) && (((last_1_var_1_19 + last_1_var_1_19) > 200.875f) ? ((last_1_var_1_25 > last_1_var_1_18) ? (var_1_9 == ((signed char) ((((var_1_12) > (((((var_1_13) > ((var_1_14 + var_1_15))) ? (var_1_13) : ((var_1_14 + var_1_15)))))) ? (var_1_12) : (((((var_1_13) > ((var_1_14 + var_1_15))) ? (var_1_13) : ((var_1_14 + var_1_15))))))))) : (var_1_9 == ((signed char) ((((((((-32) < (100)) ? (-32) : (100)))) > (var_1_13)) ? (((((-32) < (100)) ? (-32) : (100)))) : (var_1_13)))))) : 1)) && (var_1_7 ? ((! var_1_8) ? (var_1_16 == ((unsigned short int) ((((var_1_27 + var_1_27) < 0 ) ? -(var_1_27 + var_1_27) : (var_1_27 + var_1_27))))) : (var_1_16 == ((unsigned short int) var_1_33))) : (var_1_16 == ((unsigned short int) var_1_9)))) && ((var_1_1 <= var_1_35) ? (var_1_18 == ((signed char) (((((((((4) < 0 ) ? -(4) : (4)))) < (var_1_15)) ? (((((4) < 0 ) ? -(4) : (4)))) : (var_1_15))) + var_1_14))) : (var_1_18 == ((signed char) var_1_13)))) && (var_1_19 == ((float) var_1_20))) && (var_1_21 == ((signed char) ((((var_1_12) < ((var_1_22 - (var_1_23 + var_1_24)))) ? (var_1_12) : ((var_1_22 - (var_1_23 + var_1_24)))))))) && ((var_1_38 <= ((((var_1_38) > (var_1_19)) ? (var_1_38) : (var_1_19)))) ? (((! (var_1_27 < var_1_27)) && var_1_7) ? (var_1_25 == ((unsigned long int) var_1_1)) : 1) : (var_1_25 == ((unsigned long int) 2u)))) && (var_1_27 == ((unsigned char) ((((((var_1_24 + 50)) > (var_1_23)) ? ((var_1_24 + 50)) : (var_1_23))) + var_1_28)))) && (((var_1_35 << ((((var_1_30) > (var_1_31)) ? (var_1_30) : (var_1_31)))) >= var_1_18) ? ((var_1_35 != ((((-64) > (var_1_23)) ? (-64) : (var_1_23)))) ? (var_1_29 == ((signed short int) (((((50 + var_1_23) - var_1_33) < 0 ) ? -((50 + var_1_23) - var_1_33) : ((50 + var_1_23) - var_1_33))))) : 1) : (var_1_29 == ((signed short int) (var_1_28 - var_1_30)))) [L204] EXPR var_1_35 << ((((var_1_30) > (var_1_31)) ? (var_1_30) : (var_1_31))) [L204] EXPR (((((((((((last_1_var_1_16 | last_1_var_1_9) >= (50 * last_1_var_1_29)) ? (var_1_1 == ((unsigned short int) ((((last_1_var_1_9) < (((((last_1_var_1_16) > (last_1_var_1_33)) ? (last_1_var_1_16) : (last_1_var_1_33))))) ? (last_1_var_1_9) : (((((last_1_var_1_16) > (last_1_var_1_33)) ? (last_1_var_1_16) : (last_1_var_1_33)))))))) : 1) && ((var_1_21 > var_1_29) ? (var_1_6 == ((signed short int) (var_1_21 - last_1_var_1_6))) : ((var_1_7 && var_1_8) ? (var_1_6 == ((signed short int) last_1_var_1_6)) : (var_1_6 == ((signed short int) -2))))) && (((last_1_var_1_19 + last_1_var_1_19) > 200.875f) ? ((last_1_var_1_25 > last_1_var_1_18) ? (var_1_9 == ((signed char) ((((var_1_12) > (((((var_1_13) > ((var_1_14 + var_1_15))) ? (var_1_13) : ((var_1_14 + var_1_15)))))) ? (var_1_12) : (((((var_1_13) > ((var_1_14 + var_1_15))) ? (var_1_13) : ((var_1_14 + var_1_15))))))))) : (var_1_9 == ((signed char) ((((((((-32) < (100)) ? (-32) : (100)))) > (var_1_13)) ? (((((-32) < (100)) ? (-32) : (100)))) : (var_1_13)))))) : 1)) && (var_1_7 ? ((! var_1_8) ? (var_1_16 == ((unsigned short int) ((((var_1_27 + var_1_27) < 0 ) ? -(var_1_27 + var_1_27) : (var_1_27 + var_1_27))))) : (var_1_16 == ((unsigned short int) var_1_33))) : (var_1_16 == ((unsigned short int) var_1_9)))) && ((var_1_1 <= var_1_35) ? (var_1_18 == ((signed char) (((((((((4) < 0 ) ? -(4) : (4)))) < (var_1_15)) ? (((((4) < 0 ) ? -(4) : (4)))) : (var_1_15))) + var_1_14))) : (var_1_18 == ((signed char) var_1_13)))) && (var_1_19 == ((float) var_1_20))) && (var_1_21 == ((signed char) ((((var_1_12) < ((var_1_22 - (var_1_23 + var_1_24)))) ? (var_1_12) : ((var_1_22 - (var_1_23 + var_1_24)))))))) && ((var_1_38 <= ((((var_1_38) > (var_1_19)) ? (var_1_38) : (var_1_19)))) ? (((! (var_1_27 < var_1_27)) && var_1_7) ? (var_1_25 == ((unsigned long int) var_1_1)) : 1) : (var_1_25 == ((unsigned long int) 2u)))) && (var_1_27 == ((unsigned char) ((((((var_1_24 + 50)) > (var_1_23)) ? ((var_1_24 + 50)) : (var_1_23))) + var_1_28)))) && (((var_1_35 << ((((var_1_30) > (var_1_31)) ? (var_1_30) : (var_1_31)))) >= var_1_18) ? ((var_1_35 != ((((-64) > (var_1_23)) ? (-64) : (var_1_23)))) ? (var_1_29 == ((signed short int) (((((50 + var_1_23) - var_1_33) < 0 ) ? -((50 + var_1_23) - var_1_33) : ((50 + var_1_23) - var_1_33))))) : 1) : (var_1_29 == ((signed short int) (var_1_28 - var_1_30)))) [L204-L205] return (((((((((((((((last_1_var_1_16 | last_1_var_1_9) >= (50 * last_1_var_1_29)) ? (var_1_1 == ((unsigned short int) ((((last_1_var_1_9) < (((((last_1_var_1_16) > (last_1_var_1_33)) ? (last_1_var_1_16) : (last_1_var_1_33))))) ? (last_1_var_1_9) : (((((last_1_var_1_16) > (last_1_var_1_33)) ? (last_1_var_1_16) : (last_1_var_1_33)))))))) : 1) && ((var_1_21 > var_1_29) ? (var_1_6 == ((signed short int) (var_1_21 - last_1_var_1_6))) : ((var_1_7 && var_1_8) ? (var_1_6 == ((signed short int) last_1_var_1_6)) : (var_1_6 == ((signed short int) -2))))) && (((last_1_var_1_19 + last_1_var_1_19) > 200.875f) ? ((last_1_var_1_25 > last_1_var_1_18) ? (var_1_9 == ((signed char) ((((var_1_12) > (((((var_1_13) > ((var_1_14 + var_1_15))) ? (var_1_13) : ((var_1_14 + var_1_15)))))) ? (var_1_12) : (((((var_1_13) > ((var_1_14 + var_1_15))) ? (var_1_13) : ((var_1_14 + var_1_15))))))))) : (var_1_9 == ((signed char) ((((((((-32) < (100)) ? (-32) : (100)))) > (var_1_13)) ? (((((-32) < (100)) ? (-32) : (100)))) : (var_1_13)))))) : 1)) && (var_1_7 ? ((! var_1_8) ? (var_1_16 == ((unsigned short int) ((((var_1_27 + var_1_27) < 0 ) ? -(var_1_27 + var_1_27) : (var_1_27 + var_1_27))))) : (var_1_16 == ((unsigned short int) var_1_33))) : (var_1_16 == ((unsigned short int) var_1_9)))) && ((var_1_1 <= var_1_35) ? (var_1_18 == ((signed char) (((((((((4) < 0 ) ? -(4) : (4)))) < (var_1_15)) ? (((((4) < 0 ) ? -(4) : (4)))) : (var_1_15))) + var_1_14))) : (var_1_18 == ((signed char) var_1_13)))) && (var_1_19 == ((float) var_1_20))) && (var_1_21 == ((signed char) ((((var_1_12) < ((var_1_22 - (var_1_23 + var_1_24)))) ? (var_1_12) : ((var_1_22 - (var_1_23 + var_1_24)))))))) && ((var_1_38 <= ((((var_1_38) > (var_1_19)) ? (var_1_38) : (var_1_19)))) ? (((! (var_1_27 < var_1_27)) && var_1_7) ? (var_1_25 == ((unsigned long int) var_1_1)) : 1) : (var_1_25 == ((unsigned long int) 2u)))) && (var_1_27 == ((unsigned char) ((((((var_1_24 + 50)) > (var_1_23)) ? ((var_1_24 + 50)) : (var_1_23))) + var_1_28)))) && (((var_1_35 << ((((var_1_30) > (var_1_31)) ? (var_1_30) : (var_1_31)))) >= var_1_18) ? ((var_1_35 != ((((-64) > (var_1_23)) ? (-64) : (var_1_23)))) ? (var_1_29 == ((signed short int) (((((50 + var_1_23) - var_1_33) < 0 ) ? -((50 + var_1_23) - var_1_33) : ((50 + var_1_23) - var_1_33))))) : 1) : (var_1_29 == ((signed short int) (var_1_28 - var_1_30))))) && ((last_1_var_1_16 <= last_1_var_1_9) ? (var_1_33 == ((unsigned char) (var_1_34 - var_1_28))) : (((var_1_24 % var_1_34) >= last_1_var_1_27) ? (var_1_7 ? (var_1_33 == ((unsigned char) (((((((((var_1_28) > (var_1_23)) ? (var_1_28) : (var_1_23)))) > ((64 - var_1_30))) ? (((((var_1_28) > (var_1_23)) ? (var_1_28) : (var_1_23)))) : ((64 - var_1_30)))) + 1))) : (var_1_33 == ((unsigned char) var_1_28))) : 1))) && (((var_1_25 - last_1_var_1_35) <= (var_1_30 + var_1_39)) ? (var_1_7 ? (var_1_35 == ((unsigned char) var_1_28)) : (var_1_35 == ((unsigned char) ((var_1_36 - (var_1_37 - var_1_30)) - ((((var_1_28) < (var_1_24)) ? (var_1_28) : (var_1_24))))))) : 1)) && (var_1_38 == ((double) var_1_20))) && (var_1_39 == ((signed short int) 128)) ; [L214] RET, EXPR property() [L214] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=0, var_1_14=-4, var_1_15=4, var_1_16=0, var_1_18=0, var_1_19=2, var_1_1=32, var_1_20=2, var_1_21=0, var_1_22=112, var_1_23=63, var_1_24=49, var_1_25=2, var_1_27=163, var_1_28=64, var_1_29=111, var_1_30=1, var_1_31=1, var_1_33=2, var_1_34=127, var_1_35=79, var_1_36=190, var_1_37=63, var_1_38=2, var_1_39=128, var_1_6=-2, var_1_7=0, var_1_8=0, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=0, var_1_14=-4, var_1_15=4, var_1_16=0, var_1_18=0, var_1_19=2, var_1_1=32, var_1_20=2, var_1_21=0, var_1_22=112, var_1_23=63, var_1_24=49, var_1_25=2, var_1_27=163, var_1_28=64, var_1_29=111, var_1_30=1, var_1_31=1, var_1_33=2, var_1_34=127, var_1_35=79, var_1_36=190, var_1_37=63, var_1_38=2, var_1_39=128, var_1_6=-2, var_1_7=0, var_1_8=0, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 56 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 1, TraceHistogramMax: 31, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=56occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 113 NumberOfCodeBlocks, 113 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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 [2023-11-19 05:13:18,824 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-22.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/bin/utaipan-verify-t7M7D8N6sZ --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ffde3abd1302fbd87206750d0310c01693ddf151d98835d8cfad33c14bb4faac --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:13:21,716 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:13:21,868 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 05:13:21,880 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:13:21,881 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:13:21,940 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:13:21,941 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:13:21,942 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:13:21,943 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:13:21,949 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:13:21,950 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:13:21,951 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:13:21,951 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:13:21,953 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:13:21,954 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:13:21,954 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:13:21,956 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:13:21,956 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:13:21,957 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:13:21,958 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:13:21,958 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:13:21,959 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:13:21,959 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:13:21,960 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:13:21,961 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:13:21,961 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 05:13:21,962 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 05:13:21,962 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:13:21,963 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:13:21,963 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:13:21,965 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:13:21,965 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 05:13:21,966 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:13:21,966 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:13:21,967 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:13:21,967 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:13:21,967 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:13:21,967 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 05:13:21,968 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 05:13:21,969 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:13:21,969 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:13:21,970 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:13:21,970 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ffde3abd1302fbd87206750d0310c01693ddf151d98835d8cfad33c14bb4faac [2023-11-19 05:13:22,496 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:13:22,534 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:13:22,537 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:13:22,539 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:13:22,539 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:13:22,541 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-22.i [2023-11-19 05:13:25,815 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:13:26,186 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:13:26,187 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-22.i [2023-11-19 05:13:26,204 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/bin/utaipan-verify-t7M7D8N6sZ/data/df716628c/006a6616bde645da86657c5b33206f0f/FLAG04045aecd [2023-11-19 05:13:26,220 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/bin/utaipan-verify-t7M7D8N6sZ/data/df716628c/006a6616bde645da86657c5b33206f0f [2023-11-19 05:13:26,223 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:13:26,225 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:13:26,226 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:13:26,226 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:13:26,232 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:13:26,233 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:13:26" (1/1) ... [2023-11-19 05:13:26,234 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@294c0e23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:26, skipping insertion in model container [2023-11-19 05:13:26,234 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:13:26" (1/1) ... [2023-11-19 05:13:26,282 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:13:26,488 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_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-22.i[916,929] [2023-11-19 05:13:26,606 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:13:26,625 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:13:26,657 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_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-22.i[916,929] [2023-11-19 05:13:26,727 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:13:26,789 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:13:26,790 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:26 WrapperNode [2023-11-19 05:13:26,790 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:13:26,791 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:13:26,792 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:13:26,792 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:13:26,801 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:26" (1/1) ... [2023-11-19 05:13:26,817 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:26" (1/1) ... [2023-11-19 05:13:26,857 INFO L138 Inliner]: procedures = 27, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 211 [2023-11-19 05:13:26,857 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:13:26,858 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:13:26,858 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:13:26,859 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:13:26,877 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:26" (1/1) ... [2023-11-19 05:13:26,878 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:26" (1/1) ... [2023-11-19 05:13:26,884 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:26" (1/1) ... [2023-11-19 05:13:26,885 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:26" (1/1) ... [2023-11-19 05:13:26,902 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:26" (1/1) ... [2023-11-19 05:13:26,907 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:26" (1/1) ... [2023-11-19 05:13:26,911 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:26" (1/1) ... [2023-11-19 05:13:26,914 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:26" (1/1) ... [2023-11-19 05:13:26,919 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:13:26,921 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:13:26,921 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:13:26,921 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:13:26,922 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:26" (1/1) ... [2023-11-19 05:13:26,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:13:26,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:13:26,966 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:13:26,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:13:27,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:13:27,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 05:13:27,009 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:13:27,009 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:13:27,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:13:27,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:13:27,128 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:13:27,131 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:13:28,701 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:13:28,714 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:13:28,717 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:13:28,722 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:13:28 BoogieIcfgContainer [2023-11-19 05:13:28,723 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:13:28,727 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:13:28,728 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:13:28,731 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:13:28,732 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:13:26" (1/3) ... [2023-11-19 05:13:28,733 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f435917 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:13:28, skipping insertion in model container [2023-11-19 05:13:28,733 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:26" (2/3) ... [2023-11-19 05:13:28,735 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f435917 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:13:28, skipping insertion in model container [2023-11-19 05:13:28,736 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:13:28" (3/3) ... [2023-11-19 05:13:28,738 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-22.i [2023-11-19 05:13:28,760 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:13:28,761 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:13:28,820 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:13:28,828 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=FINITE_AUTOMATA, 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;@377d9fe4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:13:28,829 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:13:28,836 INFO L276 IsEmpty]: Start isEmpty. Operand has 87 states, 53 states have (on average 1.4150943396226414) internal successors, (75), 54 states have internal predecessors, (75), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-19 05:13:28,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2023-11-19 05:13:28,859 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:13:28,860 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:13:28,861 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:13:28,867 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:13:28,867 INFO L85 PathProgramCache]: Analyzing trace with hash -1852080997, now seen corresponding path program 1 times [2023-11-19 05:13:28,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:13:28,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1880351753] [2023-11-19 05:13:28,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:13:28,892 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 [2023-11-19 05:13:28,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:13:28,899 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/bin/utaipan-verify-t7M7D8N6sZ/mathsat -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) [2023-11-19 05:13:28,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/bin/utaipan-verify-t7M7D8N6sZ/mathsat -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 [2023-11-19 05:13:29,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:13:29,315 INFO L262 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 05:13:29,333 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:13:29,402 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 704 proven. 0 refuted. 0 times theorem prover too weak. 1156 trivial. 0 not checked. [2023-11-19 05:13:29,402 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:13:29,432 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:13:29,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1880351753] [2023-11-19 05:13:29,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1880351753] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:13:29,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:13:29,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:13:29,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329349231] [2023-11-19 05:13:29,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:13:29,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 05:13:29,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:13:29,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 05:13:29,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:13:29,491 INFO L87 Difference]: Start difference. First operand has 87 states, 53 states have (on average 1.4150943396226414) internal successors, (75), 54 states have internal predecessors, (75), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-11-19 05:13:29,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:13:29,570 INFO L93 Difference]: Finished difference Result 167 states and 299 transitions. [2023-11-19 05:13:29,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 05:13:29,575 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 193 [2023-11-19 05:13:29,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:13:29,590 INFO L225 Difference]: With dead ends: 167 [2023-11-19 05:13:29,591 INFO L226 Difference]: Without dead ends: 83 [2023-11-19 05:13:29,600 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:13:29,605 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:13:29,607 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:13:29,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2023-11-19 05:13:29,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2023-11-19 05:13:29,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 50 states have (on average 1.36) internal successors, (68), 50 states have internal predecessors, (68), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-19 05:13:29,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 130 transitions. [2023-11-19 05:13:29,685 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 130 transitions. Word has length 193 [2023-11-19 05:13:29,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:13:29,686 INFO L495 AbstractCegarLoop]: Abstraction has 83 states and 130 transitions. [2023-11-19 05:13:29,687 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-11-19 05:13:29,687 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 130 transitions. [2023-11-19 05:13:29,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2023-11-19 05:13:29,694 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:13:29,695 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:13:29,711 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/bin/utaipan-verify-t7M7D8N6sZ/mathsat -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 [2023-11-19 05:13:29,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:13:29,904 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:13:29,905 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:13:29,905 INFO L85 PathProgramCache]: Analyzing trace with hash -1107706983, now seen corresponding path program 1 times [2023-11-19 05:13:29,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:13:29,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1043154752] [2023-11-19 05:13:29,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:13:29,907 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 [2023-11-19 05:13:29,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:13:29,910 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/bin/utaipan-verify-t7M7D8N6sZ/mathsat -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) [2023-11-19 05:13:29,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/bin/utaipan-verify-t7M7D8N6sZ/mathsat -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 [2023-11-19 05:13:30,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:13:30,272 INFO L262 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 05:13:30,299 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:13:32,424 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-19 05:13:32,427 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:13:32,427 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:13:32,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1043154752] [2023-11-19 05:13:32,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1043154752] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:13:32,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:13:32,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 05:13:32,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975161923] [2023-11-19 05:13:32,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:13:32,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 05:13:32,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:13:32,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 05:13:32,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 05:13:32,440 INFO L87 Difference]: Start difference. First operand 83 states and 130 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-19 05:13:34,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:13:34,229 INFO L93 Difference]: Finished difference Result 268 states and 423 transitions. [2023-11-19 05:13:34,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 05:13:34,246 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 193 [2023-11-19 05:13:34,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:13:34,252 INFO L225 Difference]: With dead ends: 268 [2023-11-19 05:13:34,252 INFO L226 Difference]: Without dead ends: 188 [2023-11-19 05:13:34,254 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-19 05:13:34,255 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 199 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 435 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-19 05:13:34,256 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 435 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-19 05:13:34,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2023-11-19 05:13:34,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 160. [2023-11-19 05:13:34,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 95 states have (on average 1.3578947368421053) internal successors, (129), 95 states have internal predecessors, (129), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2023-11-19 05:13:34,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 253 transitions. [2023-11-19 05:13:34,337 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 253 transitions. Word has length 193 [2023-11-19 05:13:34,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:13:34,339 INFO L495 AbstractCegarLoop]: Abstraction has 160 states and 253 transitions. [2023-11-19 05:13:34,339 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-19 05:13:34,340 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 253 transitions. [2023-11-19 05:13:34,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2023-11-19 05:13:34,344 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:13:34,344 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:13:34,358 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/bin/utaipan-verify-t7M7D8N6sZ/mathsat -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)] Forceful destruction successful, exit code 0 [2023-11-19 05:13:34,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:13:34,553 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:13:34,554 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:13:34,554 INFO L85 PathProgramCache]: Analyzing trace with hash 1598912411, now seen corresponding path program 1 times [2023-11-19 05:13:34,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:13:34,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [392697948] [2023-11-19 05:13:34,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:13:34,555 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 [2023-11-19 05:13:34,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:13:34,560 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/bin/utaipan-verify-t7M7D8N6sZ/mathsat -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) [2023-11-19 05:13:34,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/bin/utaipan-verify-t7M7D8N6sZ/mathsat -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 [2023-11-19 05:13:34,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:13:34,875 INFO L262 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 05:13:34,884 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:13:36,902 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-19 05:13:36,902 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:13:36,903 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:13:36,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [392697948] [2023-11-19 05:13:36,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [392697948] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:13:36,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:13:36,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:13:36,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272609826] [2023-11-19 05:13:36,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:13:36,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 05:13:36,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:13:36,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 05:13:36,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:13:36,907 INFO L87 Difference]: Start difference. First operand 160 states and 253 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-19 05:13:39,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:13:39,211 INFO L93 Difference]: Finished difference Result 321 states and 507 transitions. [2023-11-19 05:13:39,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 05:13:39,225 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 193 [2023-11-19 05:13:39,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:13:39,229 INFO L225 Difference]: With dead ends: 321 [2023-11-19 05:13:39,230 INFO L226 Difference]: Without dead ends: 164 [2023-11-19 05:13:39,231 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 05:13:39,232 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 75 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-11-19 05:13:39,233 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 361 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-11-19 05:13:39,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2023-11-19 05:13:39,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 138. [2023-11-19 05:13:39,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 73 states have (on average 1.2465753424657535) internal successors, (91), 73 states have internal predecessors, (91), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2023-11-19 05:13:39,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 215 transitions. [2023-11-19 05:13:39,277 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 215 transitions. Word has length 193 [2023-11-19 05:13:39,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:13:39,278 INFO L495 AbstractCegarLoop]: Abstraction has 138 states and 215 transitions. [2023-11-19 05:13:39,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-19 05:13:39,279 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 215 transitions. [2023-11-19 05:13:39,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2023-11-19 05:13:39,283 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:13:39,283 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:13:39,292 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-19 05:13:39,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:13:39,492 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:13:39,492 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:13:39,493 INFO L85 PathProgramCache]: Analyzing trace with hash -7907848, now seen corresponding path program 1 times [2023-11-19 05:13:39,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:13:39,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1148534606] [2023-11-19 05:13:39,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:13:39,495 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 [2023-11-19 05:13:39,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:13:39,500 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/bin/utaipan-verify-t7M7D8N6sZ/mathsat -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) [2023-11-19 05:13:39,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/bin/utaipan-verify-t7M7D8N6sZ/mathsat -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 [2023-11-19 05:13:39,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:13:39,779 INFO L262 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 05:13:39,786 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:13:40,546 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-19 05:13:40,546 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:13:40,547 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:13:40,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1148534606] [2023-11-19 05:13:40,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1148534606] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:13:40,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:13:40,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 05:13:40,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182453349] [2023-11-19 05:13:40,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:13:40,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 05:13:40,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:13:40,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 05:13:40,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 05:13:40,552 INFO L87 Difference]: Start difference. First operand 138 states and 215 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-19 05:13:41,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:13:41,763 INFO L93 Difference]: Finished difference Result 244 states and 383 transitions. [2023-11-19 05:13:41,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 05:13:41,777 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 194 [2023-11-19 05:13:41,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:13:41,781 INFO L225 Difference]: With dead ends: 244 [2023-11-19 05:13:41,781 INFO L226 Difference]: Without dead ends: 164 [2023-11-19 05:13:41,782 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-19 05:13:41,784 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 93 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:13:41,785 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 490 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-19 05:13:41,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2023-11-19 05:13:41,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 141. [2023-11-19 05:13:41,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 76 states have (on average 1.25) internal successors, (95), 76 states have internal predecessors, (95), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2023-11-19 05:13:41,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 219 transitions. [2023-11-19 05:13:41,823 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 219 transitions. Word has length 194 [2023-11-19 05:13:41,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:13:41,825 INFO L495 AbstractCegarLoop]: Abstraction has 141 states and 219 transitions. [2023-11-19 05:13:41,825 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-19 05:13:41,825 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 219 transitions. [2023-11-19 05:13:41,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2023-11-19 05:13:41,829 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:13:41,830 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:13:41,840 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-11-19 05:13:42,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:13:42,039 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:13:42,039 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:13:42,039 INFO L85 PathProgramCache]: Analyzing trace with hash 1348572340, now seen corresponding path program 1 times [2023-11-19 05:13:42,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:13:42,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1909251571] [2023-11-19 05:13:42,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:13:42,042 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 [2023-11-19 05:13:42,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:13:42,044 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/bin/utaipan-verify-t7M7D8N6sZ/mathsat -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) [2023-11-19 05:13:42,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/bin/utaipan-verify-t7M7D8N6sZ/mathsat -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 [2023-11-19 05:13:42,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:13:42,356 INFO L262 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 05:13:42,362 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:13:43,152 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-19 05:13:43,152 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:13:43,153 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:13:43,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1909251571] [2023-11-19 05:13:43,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1909251571] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:13:43,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:13:43,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 05:13:43,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843659195] [2023-11-19 05:13:43,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:13:43,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 05:13:43,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:13:43,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 05:13:43,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-19 05:13:43,157 INFO L87 Difference]: Start difference. First operand 141 states and 219 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-19 05:13:44,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:13:44,968 INFO L93 Difference]: Finished difference Result 332 states and 518 transitions. [2023-11-19 05:13:44,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 05:13:44,984 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 195 [2023-11-19 05:13:44,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:13:44,989 INFO L225 Difference]: With dead ends: 332 [2023-11-19 05:13:44,989 INFO L226 Difference]: Without dead ends: 252 [2023-11-19 05:13:44,990 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-19 05:13:44,992 INFO L413 NwaCegarLoop]: 136 mSDtfsCounter, 170 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-19 05:13:44,992 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 431 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-19 05:13:44,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2023-11-19 05:13:45,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 222. [2023-11-19 05:13:45,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 125 states have (on average 1.304) internal successors, (163), 125 states have internal predecessors, (163), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2023-11-19 05:13:45,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 349 transitions. [2023-11-19 05:13:45,057 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 349 transitions. Word has length 195 [2023-11-19 05:13:45,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:13:45,058 INFO L495 AbstractCegarLoop]: Abstraction has 222 states and 349 transitions. [2023-11-19 05:13:45,059 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-19 05:13:45,059 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 349 transitions. [2023-11-19 05:13:45,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2023-11-19 05:13:45,062 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:13:45,063 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:13:45,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/bin/utaipan-verify-t7M7D8N6sZ/mathsat -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 [2023-11-19 05:13:45,271 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:13:45,271 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:13:45,272 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:13:45,272 INFO L85 PathProgramCache]: Analyzing trace with hash -807090980, now seen corresponding path program 1 times [2023-11-19 05:13:45,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:13:45,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [946384481] [2023-11-19 05:13:45,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:13:45,273 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 [2023-11-19 05:13:45,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:13:45,279 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/bin/utaipan-verify-t7M7D8N6sZ/mathsat -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) [2023-11-19 05:13:45,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/bin/utaipan-verify-t7M7D8N6sZ/mathsat -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 [2023-11-19 05:13:45,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:13:45,553 INFO L262 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 05:13:45,557 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:13:46,199 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 148 proven. 87 refuted. 0 times theorem prover too weak. 1625 trivial. 0 not checked. [2023-11-19 05:13:46,199 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:13:46,412 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-19 05:13:46,413 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:13:46,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [946384481] [2023-11-19 05:13:46,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [946384481] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-19 05:13:46,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 05:13:46,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2023-11-19 05:13:46,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901777104] [2023-11-19 05:13:46,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:13:46,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 05:13:46,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:13:46,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 05:13:46,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-11-19 05:13:46,416 INFO L87 Difference]: Start difference. First operand 222 states and 349 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-19 05:13:47,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:13:47,523 INFO L93 Difference]: Finished difference Result 425 states and 669 transitions. [2023-11-19 05:13:47,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 05:13:47,540 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 196 [2023-11-19 05:13:47,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:13:47,543 INFO L225 Difference]: With dead ends: 425 [2023-11-19 05:13:47,543 INFO L226 Difference]: Without dead ends: 264 [2023-11-19 05:13:47,544 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 390 GetRequests, 383 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-11-19 05:13:47,545 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 59 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:13:47,545 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 251 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-19 05:13:47,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2023-11-19 05:13:47,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 238. [2023-11-19 05:13:47,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 141 states have (on average 1.3120567375886525) internal successors, (185), 141 states have internal predecessors, (185), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2023-11-19 05:13:47,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 371 transitions. [2023-11-19 05:13:47,588 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 371 transitions. Word has length 196 [2023-11-19 05:13:47,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:13:47,589 INFO L495 AbstractCegarLoop]: Abstraction has 238 states and 371 transitions. [2023-11-19 05:13:47,589 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-19 05:13:47,590 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 371 transitions. [2023-11-19 05:13:47,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2023-11-19 05:13:47,592 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:13:47,593 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:13:47,600 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/bin/utaipan-verify-t7M7D8N6sZ/mathsat -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)] Forceful destruction successful, exit code 0 [2023-11-19 05:13:47,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:13:47,800 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:13:47,800 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:13:47,801 INFO L85 PathProgramCache]: Analyzing trace with hash -548925542, now seen corresponding path program 1 times [2023-11-19 05:13:47,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:13:47,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1607996727] [2023-11-19 05:13:47,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:13:47,803 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 [2023-11-19 05:13:47,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:13:47,805 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/bin/utaipan-verify-t7M7D8N6sZ/mathsat -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) [2023-11-19 05:13:47,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-11-19 05:13:48,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:13:48,053 INFO L262 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 05:13:48,058 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:13:50,887 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 839 proven. 48 refuted. 0 times theorem prover too weak. 973 trivial. 0 not checked. [2023-11-19 05:13:50,887 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:13:51,780 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:13:51,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1607996727] [2023-11-19 05:13:51,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1607996727] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 05:13:51,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1110910338] [2023-11-19 05:13:51,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:13:51,781 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 05:13:51,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 05:13:51,786 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 05:13:51,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-11-19 05:13:52,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:13:52,470 INFO L262 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 05:13:52,476 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:13:53,995 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-19 05:13:53,995 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:13:53,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1110910338] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:13:53,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 05:13:53,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [11] total 13 [2023-11-19 05:13:53,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596723037] [2023-11-19 05:13:53,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:13:53,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 05:13:53,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:13:53,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 05:13:53,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=321, Unknown=0, NotChecked=0, Total=420 [2023-11-19 05:13:53,998 INFO L87 Difference]: Start difference. First operand 238 states and 371 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-19 05:13:55,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:13:55,120 INFO L93 Difference]: Finished difference Result 509 states and 796 transitions. [2023-11-19 05:13:55,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 05:13:55,121 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 196 [2023-11-19 05:13:55,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:13:55,125 INFO L225 Difference]: With dead ends: 509 [2023-11-19 05:13:55,125 INFO L226 Difference]: Without dead ends: 332 [2023-11-19 05:13:55,126 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 462 GetRequests, 442 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=103, Invalid=359, Unknown=0, NotChecked=0, Total=462 [2023-11-19 05:13:55,127 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 37 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:13:55,128 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 293 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-19 05:13:55,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2023-11-19 05:13:55,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 321. [2023-11-19 05:13:55,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 321 states, 192 states have (on average 1.328125) internal successors, (255), 192 states have internal predecessors, (255), 124 states have call successors, (124), 4 states have call predecessors, (124), 4 states have return successors, (124), 124 states have call predecessors, (124), 124 states have call successors, (124) [2023-11-19 05:13:55,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 503 transitions. [2023-11-19 05:13:55,169 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 503 transitions. Word has length 196 [2023-11-19 05:13:55,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:13:55,170 INFO L495 AbstractCegarLoop]: Abstraction has 321 states and 503 transitions. [2023-11-19 05:13:55,171 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-19 05:13:55,171 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 503 transitions. [2023-11-19 05:13:55,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2023-11-19 05:13:55,174 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:13:55,174 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:13:55,181 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2023-11-19 05:13:55,386 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2023-11-19 05:13:55,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:13:55,581 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:13:55,581 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:13:55,581 INFO L85 PathProgramCache]: Analyzing trace with hash 1226081820, now seen corresponding path program 1 times [2023-11-19 05:13:55,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:13:55,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [691168690] [2023-11-19 05:13:55,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:13:55,582 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 [2023-11-19 05:13:55,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:13:55,583 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/bin/utaipan-verify-t7M7D8N6sZ/mathsat -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) [2023-11-19 05:13:55,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2023-11-19 05:13:55,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:13:55,822 INFO L262 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 05:13:55,828 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:13:58,408 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 839 proven. 48 refuted. 0 times theorem prover too weak. 973 trivial. 0 not checked. [2023-11-19 05:13:58,408 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:13:59,161 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:13:59,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [691168690] [2023-11-19 05:13:59,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [691168690] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 05:13:59,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1387394108] [2023-11-19 05:13:59,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:13:59,162 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 05:13:59,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 05:13:59,164 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 05:13:59,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-11-19 05:13:59,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:13:59,864 INFO L262 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 05:13:59,870 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:14:01,724 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 828 proven. 27 refuted. 0 times theorem prover too weak. 1005 trivial. 0 not checked. [2023-11-19 05:14:01,724 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:14:02,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1387394108] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 05:14:02,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1042416941] [2023-11-19 05:14:02,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:14:02,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:14:02,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:14:02,041 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:14:02,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e9af5b-e23e-431b-a33f-9c5961bd67c2/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-19 05:14:02,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:14:02,230 INFO L262 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 05:14:02,250 INFO L285 TraceCheckSpWp]: Computing forward predicates...