./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-97.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_896e8368-60b7-44a2-8d6d-9c49b2b0b639/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896e8368-60b7-44a2-8d6d-9c49b2b0b639/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_896e8368-60b7-44a2-8d6d-9c49b2b0b639/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896e8368-60b7-44a2-8d6d-9c49b2b0b639/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-97.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896e8368-60b7-44a2-8d6d-9c49b2b0b639/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_896e8368-60b7-44a2-8d6d-9c49b2b0b639/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 50d5d35851cc8e5f5376c9c4d834d542e4edd508da7d290798477fa80ae9c511 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:47:11,105 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:47:11,265 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896e8368-60b7-44a2-8d6d-9c49b2b0b639/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 04:47:11,280 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:47:11,281 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:47:11,335 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:47:11,337 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:47:11,337 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:47:11,339 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:47:11,348 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:47:11,348 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:47:11,350 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:47:11,351 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:47:11,353 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:47:11,354 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:47:11,354 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:47:11,355 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:47:11,356 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:47:11,356 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:47:11,357 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:47:11,358 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:47:11,358 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:47:11,360 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:47:11,361 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:47:11,361 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:47:11,362 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:47:11,362 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:47:11,363 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:47:11,363 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:47:11,364 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:47:11,366 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:47:11,366 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:47:11,366 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:47:11,367 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:47:11,367 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:47:11,367 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:47:11,368 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:47:11,368 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:47:11,369 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:47:11,369 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:47:11,369 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:47:11,370 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:47:11,370 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:47:11,370 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:47:11,371 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:47:11,372 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_896e8368-60b7-44a2-8d6d-9c49b2b0b639/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896e8368-60b7-44a2-8d6d-9c49b2b0b639/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 50d5d35851cc8e5f5376c9c4d834d542e4edd508da7d290798477fa80ae9c511 [2023-11-19 04:47:11,692 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:47:11,724 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:47:11,728 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:47:11,730 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:47:11,730 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:47:11,733 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896e8368-60b7-44a2-8d6d-9c49b2b0b639/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-97.i [2023-11-19 04:47:14,948 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:47:15,211 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:47:15,212 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896e8368-60b7-44a2-8d6d-9c49b2b0b639/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-97.i [2023-11-19 04:47:15,229 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896e8368-60b7-44a2-8d6d-9c49b2b0b639/bin/utaipan-verify-t7M7D8N6sZ/data/7cc887149/39c9872289ee491cb666b5a79b4da23e/FLAGd02da0027 [2023-11-19 04:47:15,243 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896e8368-60b7-44a2-8d6d-9c49b2b0b639/bin/utaipan-verify-t7M7D8N6sZ/data/7cc887149/39c9872289ee491cb666b5a79b4da23e [2023-11-19 04:47:15,246 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:47:15,247 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:47:15,249 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:47:15,249 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:47:15,254 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:47:15,255 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:47:15" (1/1) ... [2023-11-19 04:47:15,256 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@eab5f07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:15, skipping insertion in model container [2023-11-19 04:47:15,256 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:47:15" (1/1) ... [2023-11-19 04:47:15,304 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:47:15,451 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_896e8368-60b7-44a2-8d6d-9c49b2b0b639/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-97.i[919,932] [2023-11-19 04:47:15,535 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:47:15,548 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:47:15,560 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_896e8368-60b7-44a2-8d6d-9c49b2b0b639/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-97.i[919,932] [2023-11-19 04:47:15,608 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:47:15,627 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:47:15,627 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:15 WrapperNode [2023-11-19 04:47:15,627 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:47:15,629 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:47:15,629 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:47:15,629 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:47:15,636 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:15" (1/1) ... [2023-11-19 04:47:15,650 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:15" (1/1) ... [2023-11-19 04:47:15,721 INFO L138 Inliner]: procedures = 26, calls = 46, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 297 [2023-11-19 04:47:15,721 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:47:15,722 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:47:15,722 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:47:15,722 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:47:15,731 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:15" (1/1) ... [2023-11-19 04:47:15,732 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:15" (1/1) ... [2023-11-19 04:47:15,737 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:15" (1/1) ... [2023-11-19 04:47:15,738 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:15" (1/1) ... [2023-11-19 04:47:15,759 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:15" (1/1) ... [2023-11-19 04:47:15,764 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:15" (1/1) ... [2023-11-19 04:47:15,768 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:15" (1/1) ... [2023-11-19 04:47:15,772 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:15" (1/1) ... [2023-11-19 04:47:15,794 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:47:15,798 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:47:15,799 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:47:15,799 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:47:15,800 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:15" (1/1) ... [2023-11-19 04:47:15,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:47:15,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896e8368-60b7-44a2-8d6d-9c49b2b0b639/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:47:15,830 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896e8368-60b7-44a2-8d6d-9c49b2b0b639/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:47:15,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896e8368-60b7-44a2-8d6d-9c49b2b0b639/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:47:15,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:47:15,872 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:47:15,872 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:47:15,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:47:15,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:47:15,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:47:16,028 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:47:16,031 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:47:16,889 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:47:17,461 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:47:17,461 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:47:17,467 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:47:17 BoogieIcfgContainer [2023-11-19 04:47:17,468 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:47:17,471 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:47:17,471 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:47:17,474 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:47:17,474 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:47:15" (1/3) ... [2023-11-19 04:47:17,475 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7530cde8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:47:17, skipping insertion in model container [2023-11-19 04:47:17,476 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:15" (2/3) ... [2023-11-19 04:47:17,478 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7530cde8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:47:17, skipping insertion in model container [2023-11-19 04:47:17,479 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:47:17" (3/3) ... [2023-11-19 04:47:17,480 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-97.i [2023-11-19 04:47:17,499 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:47:17,499 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:47:17,566 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:47:17,574 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;@11bf7a6f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:47:17,575 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:47:17,579 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 25 states have (on average 1.12) internal successors, (28), 26 states have internal predecessors, (28), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-11-19 04:47:17,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-11-19 04:47:17,596 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:47:17,597 INFO L195 NwaCegarLoop]: trace histogram [33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:47:17,598 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:47:17,605 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:47:17,605 INFO L85 PathProgramCache]: Analyzing trace with hash -735863983, now seen corresponding path program 1 times [2023-11-19 04:47:17,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:47:17,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23947456] [2023-11-19 04:47:17,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:47:17,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:47:17,883 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 04:47:17,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [882866192] [2023-11-19 04:47:17,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:47:17,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:47:17,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896e8368-60b7-44a2-8d6d-9c49b2b0b639/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:47:17,887 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896e8368-60b7-44a2-8d6d-9c49b2b0b639/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 04:47:17,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896e8368-60b7-44a2-8d6d-9c49b2b0b639/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 04:47:18,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:47:18,231 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:47:18,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:47:18,511 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 04:47:18,514 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 04:47:18,515 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 04:47:18,533 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896e8368-60b7-44a2-8d6d-9c49b2b0b639/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 04:47:18,726 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896e8368-60b7-44a2-8d6d-9c49b2b0b639/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:47:18,730 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 04:47:18,734 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 04:47:18,881 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 04:47:18 BoogieIcfgContainer [2023-11-19 04:47:18,881 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 04:47:18,882 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:47:18,882 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:47:18,882 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:47:18,883 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:47:17" (3/4) ... [2023-11-19 04:47:18,887 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 04:47:18,888 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:47:18,890 INFO L158 Benchmark]: Toolchain (without parser) took 3642.21ms. Allocated memory was 134.2MB in the beginning and 184.5MB in the end (delta: 50.3MB). Free memory was 88.9MB in the beginning and 59.4MB in the end (delta: 29.4MB). Peak memory consumption was 80.9MB. Max. memory is 16.1GB. [2023-11-19 04:47:18,890 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 134.2MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:47:18,892 INFO L158 Benchmark]: CACSL2BoogieTranslator took 379.08ms. Allocated memory is still 134.2MB. Free memory was 88.9MB in the beginning and 72.7MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 04:47:18,893 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.74ms. Allocated memory is still 134.2MB. Free memory was 72.7MB in the beginning and 66.9MB in the end (delta: 5.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:47:18,898 INFO L158 Benchmark]: Boogie Preprocessor took 75.77ms. Allocated memory is still 134.2MB. Free memory was 66.9MB in the beginning and 64.3MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:47:18,899 INFO L158 Benchmark]: RCFGBuilder took 1669.24ms. Allocated memory was 134.2MB in the beginning and 184.5MB in the end (delta: 50.3MB). Free memory was 63.7MB in the beginning and 124.5MB in the end (delta: -60.7MB). Peak memory consumption was 41.7MB. Max. memory is 16.1GB. [2023-11-19 04:47:18,900 INFO L158 Benchmark]: TraceAbstraction took 1411.09ms. Allocated memory is still 184.5MB. Free memory was 124.5MB in the beginning and 60.5MB in the end (delta: 64.0MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2023-11-19 04:47:18,901 INFO L158 Benchmark]: Witness Printer took 6.57ms. Allocated memory is still 184.5MB. Free memory was 60.5MB in the beginning and 59.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:47:18,909 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 134.2MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 379.08ms. Allocated memory is still 134.2MB. Free memory was 88.9MB in the beginning and 72.7MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.74ms. Allocated memory is still 134.2MB. Free memory was 72.7MB in the beginning and 66.9MB in the end (delta: 5.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.77ms. Allocated memory is still 134.2MB. Free memory was 66.9MB in the beginning and 64.3MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1669.24ms. Allocated memory was 134.2MB in the beginning and 184.5MB in the end (delta: 50.3MB). Free memory was 63.7MB in the beginning and 124.5MB in the end (delta: -60.7MB). Peak memory consumption was 41.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1411.09ms. Allocated memory is still 184.5MB. Free memory was 124.5MB in the beginning and 60.5MB in the end (delta: 64.0MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. * Witness Printer took 6.57ms. Allocated memory is still 184.5MB. Free memory was 60.5MB in the beginning and 59.4MB in the end (delta: 1.0MB). 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 95, overapproximation of bitwiseOr at line 88, overapproximation of someUnaryDOUBLEoperation at line 48, overapproximation of bitwiseAnd at line 87, overapproximation of someBinaryDOUBLEComparisonOperation at line 77. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 2; [L23] signed long int var_1_5 = 5; [L24] unsigned char var_1_8 = 0; [L25] float var_1_9 = 128.6; [L26] float var_1_10 = 32.5; [L27] unsigned char var_1_11 = 16; [L28] unsigned char var_1_12 = 64; [L29] unsigned char var_1_13 = 4; [L30] unsigned char var_1_14 = 4; [L31] unsigned long int var_1_15 = 0; [L32] signed short int var_1_16 = 0; [L33] signed char var_1_17 = 1; [L34] signed char var_1_18 = -1; [L35] signed char var_1_19 = 0; [L36] signed long int var_1_20 = -64; [L37] unsigned char var_1_22 = 0; [L38] unsigned char var_1_23 = 0; [L39] signed short int var_1_24 = -4; [L40] signed char var_1_27 = 64; [L41] unsigned short int var_1_29 = 8; [L42] unsigned char var_1_30 = 16; [L43] unsigned short int var_1_33 = 48416; [L44] unsigned char var_1_35 = 4; [L45] unsigned char var_1_36 = 25; [L46] unsigned long int var_1_37 = 32; [L47] unsigned char var_1_38 = 8; [L48] double var_1_39 = -0.75; [L49] double var_1_40 = 31.75; [L50] double var_1_41 = 5.5; [L51] double var_1_42 = 32.5; [L52] signed char var_1_43 = 100; [L53] signed char var_1_44 = 50; [L54] signed char var_1_45 = 5; [L55] signed long int last_1_var_1_5 = 5; [L205] isInitial = 1 [L206] FCALL initially() [L207] COND TRUE 1 [L208] CALL updateLastVariables() [L198] last_1_var_1_5 = var_1_5 [L208] RET updateLastVariables() [L209] CALL updateVariables() [L144] var_1_9 = __VERIFIER_nondet_float() [L145] CALL assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_10=65/2, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_5=5, var_1_10=65/2, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L146] var_1_10 = __VERIFIER_nondet_float() [L147] CALL assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_10=2, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_5=5, var_1_10=2, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L148] var_1_11 = __VERIFIER_nondet_uchar() [L149] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_10=2, var_1_11=0, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_5=5, var_1_10=2, var_1_11=0, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L150] CALL assume_abort_if_not(var_1_11 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_10=2, var_1_11=0, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_11 <= 127) VAL [isInitial=1, last_1_var_1_5=5, var_1_10=2, var_1_11=0, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L151] var_1_12 = __VERIFIER_nondet_uchar() [L152] CALL assume_abort_if_not(var_1_12 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_10=2, var_1_11=0, var_1_12=63, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_12 >= 63) VAL [isInitial=1, last_1_var_1_5=5, var_1_10=2, var_1_11=0, var_1_12=63, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L153] CALL assume_abort_if_not(var_1_12 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_10=2, var_1_11=0, var_1_12=63, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_12 <= 127) VAL [isInitial=1, last_1_var_1_5=5, var_1_10=2, var_1_11=0, var_1_12=63, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L154] var_1_13 = __VERIFIER_nondet_uchar() [L155] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_10=2, var_1_11=0, var_1_12=63, var_1_13=1, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_5=5, var_1_10=2, var_1_11=0, var_1_12=63, var_1_13=1, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L156] CALL assume_abort_if_not(var_1_13 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_10=2, var_1_11=0, var_1_12=63, var_1_13=1, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_13 <= 63) VAL [isInitial=1, last_1_var_1_5=5, var_1_10=2, var_1_11=0, var_1_12=63, var_1_13=1, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L157] var_1_14 = __VERIFIER_nondet_uchar() [L158] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_10=2, var_1_11=0, var_1_12=63, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_5=5, var_1_10=2, var_1_11=0, var_1_12=63, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L159] CALL assume_abort_if_not(var_1_14 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_10=2, var_1_11=0, var_1_12=63, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_14 <= 127) VAL [isInitial=1, last_1_var_1_5=5, var_1_10=2, var_1_11=0, var_1_12=63, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L160] var_1_18 = __VERIFIER_nondet_char() [L161] CALL assume_abort_if_not(var_1_18 >= -31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_10=2, var_1_11=0, var_1_12=63, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_18 >= -31) VAL [isInitial=1, last_1_var_1_5=5, var_1_10=2, var_1_11=0, var_1_12=63, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L162] CALL assume_abort_if_not(var_1_18 <= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_10=2, var_1_11=0, var_1_12=63, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_18 <= 32) VAL [isInitial=1, last_1_var_1_5=5, var_1_10=2, var_1_11=0, var_1_12=63, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L163] var_1_19 = __VERIFIER_nondet_char() [L164] CALL assume_abort_if_not(var_1_19 >= -15) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_10=2, var_1_11=0, var_1_12=63, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_19 >= -15) VAL [isInitial=1, last_1_var_1_5=5, var_1_10=2, var_1_11=0, var_1_12=63, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L165] CALL assume_abort_if_not(var_1_19 <= 16) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_10=2, var_1_11=0, var_1_12=63, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_19 <= 16) VAL [isInitial=1, last_1_var_1_5=5, var_1_10=2, var_1_11=0, var_1_12=63, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L166] var_1_23 = __VERIFIER_nondet_uchar() [L167] CALL assume_abort_if_not(var_1_23 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_10=2, var_1_11=0, var_1_12=63, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_23 >= 0) VAL [isInitial=1, last_1_var_1_5=5, var_1_10=2, var_1_11=0, var_1_12=63, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L168] CALL assume_abort_if_not(var_1_23 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_10=2, var_1_11=0, var_1_12=63, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_23 <= 0) VAL [isInitial=1, last_1_var_1_5=5, var_1_10=2, var_1_11=0, var_1_12=63, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L169] var_1_27 = __VERIFIER_nondet_char() [L170] CALL assume_abort_if_not(var_1_27 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_10=2, var_1_11=0, var_1_12=63, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=-63, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_27 >= -127) VAL [isInitial=1, last_1_var_1_5=5, var_1_10=2, var_1_11=0, var_1_12=63, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=-63, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L171] CALL assume_abort_if_not(var_1_27 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_10=2, var_1_11=0, var_1_12=63, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=-63, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_27 <= 127) VAL [isInitial=1, last_1_var_1_5=5, var_1_10=2, var_1_11=0, var_1_12=63, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=-63, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L172] var_1_30 = __VERIFIER_nondet_uchar() [L173] CALL assume_abort_if_not(var_1_30 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_10=2, var_1_11=0, var_1_12=63, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=-63, var_1_29=8, var_1_30=1, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_30 >= 0) VAL [isInitial=1, last_1_var_1_5=5, var_1_10=2, var_1_11=0, var_1_12=63, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=-63, var_1_29=8, var_1_30=1, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L174] CALL assume_abort_if_not(var_1_30 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_10=2, var_1_11=0, var_1_12=63, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=-63, var_1_29=8, var_1_30=1, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_30 <= 255) VAL [isInitial=1, last_1_var_1_5=5, var_1_10=2, var_1_11=0, var_1_12=63, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=-63, var_1_29=8, var_1_30=1, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L175] CALL assume_abort_if_not(var_1_30 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_10=2, var_1_11=0, var_1_12=63, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=-63, var_1_29=8, var_1_30=1, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_30 != 0) VAL [isInitial=1, last_1_var_1_5=5, var_1_10=2, var_1_11=0, var_1_12=63, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=-63, var_1_29=8, var_1_30=1, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L176] var_1_33 = __VERIFIER_nondet_ushort() [L177] CALL assume_abort_if_not(var_1_33 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_10=2, var_1_11=0, var_1_12=63, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=-63, var_1_29=8, var_1_30=1, var_1_33=32767, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_33 >= 32767) VAL [isInitial=1, last_1_var_1_5=5, var_1_10=2, var_1_11=0, var_1_12=63, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=-63, var_1_29=8, var_1_30=1, var_1_33=32767, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L178] CALL assume_abort_if_not(var_1_33 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_10=2, var_1_11=0, var_1_12=63, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=-63, var_1_29=8, var_1_30=1, var_1_33=32767, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not(var_1_33 <= 65534) VAL [isInitial=1, last_1_var_1_5=5, var_1_10=2, var_1_11=0, var_1_12=63, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=-63, var_1_29=8, var_1_30=1, var_1_33=32767, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L179] var_1_36 = __VERIFIER_nondet_uchar() [L180] CALL assume_abort_if_not(var_1_36 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_10=2, var_1_11=0, var_1_12=63, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=-63, var_1_29=8, var_1_30=1, var_1_33=32767, var_1_35=4, var_1_36=0, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L180] RET assume_abort_if_not(var_1_36 >= 0) VAL [isInitial=1, last_1_var_1_5=5, var_1_10=2, var_1_11=0, var_1_12=63, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=-63, var_1_29=8, var_1_30=1, var_1_33=32767, var_1_35=4, var_1_36=0, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L181] CALL assume_abort_if_not(var_1_36 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_10=2, var_1_11=0, var_1_12=63, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=-63, var_1_29=8, var_1_30=1, var_1_33=32767, var_1_35=4, var_1_36=0, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L181] RET assume_abort_if_not(var_1_36 <= 254) VAL [isInitial=1, last_1_var_1_5=5, var_1_10=2, var_1_11=0, var_1_12=63, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=-63, var_1_29=8, var_1_30=1, var_1_33=32767, var_1_35=4, var_1_36=0, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L182] var_1_39 = __VERIFIER_nondet_double() [L183] CALL assume_abort_if_not((var_1_39 >= -922337.2036854776000e+13F && var_1_39 <= -1.0e-20F) || (var_1_39 <= 9223372.036854776000e+12F && var_1_39 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_10=2, var_1_11=0, var_1_12=63, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=-63, var_1_29=8, var_1_30=1, var_1_33=32767, var_1_35=4, var_1_36=0, var_1_37=32, var_1_38=8, var_1_39=3, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L183] RET assume_abort_if_not((var_1_39 >= -922337.2036854776000e+13F && var_1_39 <= -1.0e-20F) || (var_1_39 <= 9223372.036854776000e+12F && var_1_39 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_5=5, var_1_10=2, var_1_11=0, var_1_12=63, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=-63, var_1_29=8, var_1_30=1, var_1_33=32767, var_1_35=4, var_1_36=0, var_1_37=32, var_1_38=8, var_1_39=3, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L184] var_1_40 = __VERIFIER_nondet_double() [L185] CALL assume_abort_if_not((var_1_40 >= 0.0F && var_1_40 <= -1.0e-20F) || (var_1_40 <= 9223372.036854776000e+12F && var_1_40 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_10=2, var_1_11=0, var_1_12=63, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=-63, var_1_29=8, var_1_30=1, var_1_33=32767, var_1_35=4, var_1_36=0, var_1_37=32, var_1_38=8, var_1_39=3, var_1_40=4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L185] RET assume_abort_if_not((var_1_40 >= 0.0F && var_1_40 <= -1.0e-20F) || (var_1_40 <= 9223372.036854776000e+12F && var_1_40 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_5=5, var_1_10=2, var_1_11=0, var_1_12=63, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=-63, var_1_29=8, var_1_30=1, var_1_33=32767, var_1_35=4, var_1_36=0, var_1_37=32, var_1_38=8, var_1_39=3, var_1_40=4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L186] var_1_41 = __VERIFIER_nondet_double() [L187] CALL assume_abort_if_not((var_1_41 >= 0.0F && var_1_41 <= -1.0e-20F) || (var_1_41 <= 9223372.036854776000e+12F && var_1_41 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_10=2, var_1_11=0, var_1_12=63, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=-63, var_1_29=8, var_1_30=1, var_1_33=32767, var_1_35=4, var_1_36=0, var_1_37=32, var_1_38=8, var_1_39=3, var_1_40=4, var_1_41=5, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L187] RET assume_abort_if_not((var_1_41 >= 0.0F && var_1_41 <= -1.0e-20F) || (var_1_41 <= 9223372.036854776000e+12F && var_1_41 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_5=5, var_1_10=2, var_1_11=0, var_1_12=63, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=-63, var_1_29=8, var_1_30=1, var_1_33=32767, var_1_35=4, var_1_36=0, var_1_37=32, var_1_38=8, var_1_39=3, var_1_40=4, var_1_41=5, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L188] var_1_42 = __VERIFIER_nondet_double() [L189] CALL assume_abort_if_not((var_1_42 >= -922337.2036854776000e+13F && var_1_42 <= -1.0e-20F) || (var_1_42 <= 9223372.036854776000e+12F && var_1_42 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_10=2, var_1_11=0, var_1_12=63, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=-63, var_1_29=8, var_1_30=1, var_1_33=32767, var_1_35=4, var_1_36=0, var_1_37=32, var_1_38=8, var_1_39=3, var_1_40=4, var_1_41=5, var_1_42=6, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L189] RET assume_abort_if_not((var_1_42 >= -922337.2036854776000e+13F && var_1_42 <= -1.0e-20F) || (var_1_42 <= 9223372.036854776000e+12F && var_1_42 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_5=5, var_1_10=2, var_1_11=0, var_1_12=63, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=-63, var_1_29=8, var_1_30=1, var_1_33=32767, var_1_35=4, var_1_36=0, var_1_37=32, var_1_38=8, var_1_39=3, var_1_40=4, var_1_41=5, var_1_42=6, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L190] var_1_44 = __VERIFIER_nondet_char() [L191] CALL assume_abort_if_not(var_1_44 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_10=2, var_1_11=0, var_1_12=63, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=-63, var_1_29=8, var_1_30=1, var_1_33=32767, var_1_35=4, var_1_36=0, var_1_37=32, var_1_38=8, var_1_39=3, var_1_40=4, var_1_41=5, var_1_42=6, var_1_43=100, var_1_44=-1, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L191] RET assume_abort_if_not(var_1_44 >= -1) VAL [isInitial=1, last_1_var_1_5=5, var_1_10=2, var_1_11=0, var_1_12=63, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=-63, var_1_29=8, var_1_30=1, var_1_33=32767, var_1_35=4, var_1_36=0, var_1_37=32, var_1_38=8, var_1_39=3, var_1_40=4, var_1_41=5, var_1_42=6, var_1_43=100, var_1_44=-1, var_1_45=5, var_1_5=5, var_1_8=0] [L192] CALL assume_abort_if_not(var_1_44 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_10=2, var_1_11=0, var_1_12=63, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=-63, var_1_29=8, var_1_30=1, var_1_33=32767, var_1_35=4, var_1_36=0, var_1_37=32, var_1_38=8, var_1_39=3, var_1_40=4, var_1_41=5, var_1_42=6, var_1_43=100, var_1_44=-1, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L192] RET assume_abort_if_not(var_1_44 <= 126) VAL [isInitial=1, last_1_var_1_5=5, var_1_10=2, var_1_11=0, var_1_12=63, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=-63, var_1_29=8, var_1_30=1, var_1_33=32767, var_1_35=4, var_1_36=0, var_1_37=32, var_1_38=8, var_1_39=3, var_1_40=4, var_1_41=5, var_1_42=6, var_1_43=100, var_1_44=-1, var_1_45=5, var_1_5=5, var_1_8=0] [L193] var_1_45 = __VERIFIER_nondet_char() [L194] CALL assume_abort_if_not(var_1_45 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_10=2, var_1_11=0, var_1_12=63, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=-63, var_1_29=8, var_1_30=1, var_1_33=32767, var_1_35=4, var_1_36=0, var_1_37=32, var_1_38=8, var_1_39=3, var_1_40=4, var_1_41=5, var_1_42=6, var_1_43=100, var_1_44=-1, var_1_45=0, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L194] RET assume_abort_if_not(var_1_45 >= 0) VAL [isInitial=1, last_1_var_1_5=5, var_1_10=2, var_1_11=0, var_1_12=63, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=-63, var_1_29=8, var_1_30=1, var_1_33=32767, var_1_35=4, var_1_36=0, var_1_37=32, var_1_38=8, var_1_39=3, var_1_40=4, var_1_41=5, var_1_42=6, var_1_43=100, var_1_44=-1, var_1_45=0, var_1_5=5, var_1_8=0] [L195] CALL assume_abort_if_not(var_1_45 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_10=2, var_1_11=0, var_1_12=63, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=-63, var_1_29=8, var_1_30=1, var_1_33=32767, var_1_35=4, var_1_36=0, var_1_37=32, var_1_38=8, var_1_39=3, var_1_40=4, var_1_41=5, var_1_42=6, var_1_43=100, var_1_44=-1, var_1_45=0, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L195] RET assume_abort_if_not(var_1_45 <= 126) VAL [isInitial=1, last_1_var_1_5=5, var_1_10=2, var_1_11=0, var_1_12=63, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=-63, var_1_29=8, var_1_30=1, var_1_33=32767, var_1_35=4, var_1_36=0, var_1_37=32, var_1_38=8, var_1_39=3, var_1_40=4, var_1_41=5, var_1_42=6, var_1_43=100, var_1_44=-1, var_1_45=0, var_1_5=5, var_1_8=0] [L209] RET updateVariables() [L210] CALL step() [L59] COND FALSE !(\read(var_1_22)) [L64] var_1_24 = ((((var_1_8) < 0 ) ? -(var_1_8) : (var_1_8))) [L66] COND TRUE (var_1_20 / var_1_30) < var_1_27 [L67] var_1_29 = var_1_30 [L71] COND FALSE !(\read(var_1_22)) [L74] COND TRUE ((((var_1_8) < (var_1_1)) ? (var_1_8) : (var_1_1))) >= var_1_15 [L75] var_1_37 = var_1_20 [L77] COND FALSE !((var_1_39 * (var_1_40 - var_1_41)) >= var_1_42) [L84] var_1_38 = var_1_36 [L86] COND FALSE !(((((var_1_39) > (64.75f)) ? (var_1_39) : (64.75f))) <= var_1_40) [L93] var_1_43 = var_1_44 [L95] COND FALSE !(var_1_9 > var_1_10) [L98] var_1_20 = var_1_8 [L99] var_1_22 = var_1_23 [L100] COND FALSE !(\read(var_1_22)) [L103] var_1_16 = (((((var_1_15) < (((((var_1_13) > (var_1_12)) ? (var_1_13) : (var_1_12))))) ? (var_1_15) : (((((var_1_13) > (var_1_12)) ? (var_1_13) : (var_1_12)))))) - var_1_11) [L104] COND FALSE !(\read(var_1_22)) [L111] var_1_17 = -32 [L113] unsigned long int stepLocal_1 = var_1_20 + var_1_15; [L114] signed long int stepLocal_0 = var_1_20; [L115] COND TRUE stepLocal_1 < -200 [L116] COND FALSE !(\read(var_1_22)) [L123] var_1_1 = var_1_20 [L128] signed long int stepLocal_4 = 256; [L129] unsigned char stepLocal_3 = var_1_22; [L130] unsigned long int stepLocal_2 = var_1_15; [L131] COND FALSE !(stepLocal_4 > (var_1_15 - (last_1_var_1_5 + var_1_8))) [L134] COND FALSE !(stepLocal_3 || var_1_22) [L139] var_1_5 = -10000 [L210] RET step() [L211] CALL, EXPR property() [L201] EXPR (((var_1_20 + var_1_15) < -200) ? (var_1_22 ? ((var_1_20 > (- var_1_15)) ? (var_1_1 == ((unsigned long int) var_1_20)) : (var_1_1 == ((unsigned long int) var_1_20))) : (var_1_1 == ((unsigned long int) var_1_20))) : (var_1_1 == ((unsigned long int) var_1_20))) && ((256 > (var_1_15 - (last_1_var_1_5 + var_1_8))) ? (var_1_5 == ((signed long int) last_1_var_1_5)) : ((var_1_22 || var_1_22) ? ((((32 * -25) | last_1_var_1_5) >= var_1_15) ? (var_1_5 == ((signed long int) var_1_8)) : 1) : (var_1_5 == ((signed long int) -10000)))) [L201] EXPR (256 > (var_1_15 - (last_1_var_1_5 + var_1_8))) ? (var_1_5 == ((signed long int) last_1_var_1_5)) : ((var_1_22 || var_1_22) ? ((((32 * -25) | last_1_var_1_5) >= var_1_15) ? (var_1_5 == ((signed long int) var_1_8)) : 1) : (var_1_5 == ((signed long int) -10000))) [L201] EXPR (var_1_22 || var_1_22) ? ((((32 * -25) | last_1_var_1_5) >= var_1_15) ? (var_1_5 == ((signed long int) var_1_8)) : 1) : (var_1_5 == ((signed long int) -10000)) [L201] EXPR (256 > (var_1_15 - (last_1_var_1_5 + var_1_8))) ? (var_1_5 == ((signed long int) last_1_var_1_5)) : ((var_1_22 || var_1_22) ? ((((32 * -25) | last_1_var_1_5) >= var_1_15) ? (var_1_5 == ((signed long int) var_1_8)) : 1) : (var_1_5 == ((signed long int) -10000))) [L201] EXPR (((var_1_20 + var_1_15) < -200) ? (var_1_22 ? ((var_1_20 > (- var_1_15)) ? (var_1_1 == ((unsigned long int) var_1_20)) : (var_1_1 == ((unsigned long int) var_1_20))) : (var_1_1 == ((unsigned long int) var_1_20))) : (var_1_1 == ((unsigned long int) var_1_20))) && ((256 > (var_1_15 - (last_1_var_1_5 + var_1_8))) ? (var_1_5 == ((signed long int) last_1_var_1_5)) : ((var_1_22 || var_1_22) ? ((((32 * -25) | last_1_var_1_5) >= var_1_15) ? (var_1_5 == ((signed long int) var_1_8)) : 1) : (var_1_5 == ((signed long int) -10000)))) [L201] EXPR (((((((var_1_20 + var_1_15) < -200) ? (var_1_22 ? ((var_1_20 > (- var_1_15)) ? (var_1_1 == ((unsigned long int) var_1_20)) : (var_1_1 == ((unsigned long int) var_1_20))) : (var_1_1 == ((unsigned long int) var_1_20))) : (var_1_1 == ((unsigned long int) var_1_20))) && ((256 > (var_1_15 - (last_1_var_1_5 + var_1_8))) ? (var_1_5 == ((signed long int) last_1_var_1_5)) : ((var_1_22 || var_1_22) ? ((((32 * -25) | last_1_var_1_5) >= var_1_15) ? (var_1_5 == ((signed long int) var_1_8)) : 1) : (var_1_5 == ((signed long int) -10000))))) && ((var_1_9 > var_1_10) ? (var_1_8 == ((unsigned char) (((((var_1_11 + (var_1_12 - var_1_13))) < ((5 + var_1_14))) ? ((var_1_11 + (var_1_12 - var_1_13))) : ((5 + var_1_14)))))) : 1)) && (var_1_22 ? (var_1_15 == ((unsigned long int) var_1_8)) : 1)) && (var_1_16 == ((signed short int) (((((var_1_15) < (((((var_1_13) > (var_1_12)) ? (var_1_13) : (var_1_12))))) ? (var_1_15) : (((((var_1_13) > (var_1_12)) ? (var_1_13) : (var_1_12)))))) - var_1_11)))) && (var_1_22 ? ((var_1_14 < (var_1_13 & (var_1_15 / 2))) ? (var_1_17 == ((signed char) (var_1_13 + (var_1_18 + (var_1_19 + 5))))) : (var_1_17 == ((signed char) var_1_18))) : (var_1_17 == ((signed char) -32))) [L201-L202] return (((((((((var_1_20 + var_1_15) < -200) ? (var_1_22 ? ((var_1_20 > (- var_1_15)) ? (var_1_1 == ((unsigned long int) var_1_20)) : (var_1_1 == ((unsigned long int) var_1_20))) : (var_1_1 == ((unsigned long int) var_1_20))) : (var_1_1 == ((unsigned long int) var_1_20))) && ((256 > (var_1_15 - (last_1_var_1_5 + var_1_8))) ? (var_1_5 == ((signed long int) last_1_var_1_5)) : ((var_1_22 || var_1_22) ? ((((32 * -25) | last_1_var_1_5) >= var_1_15) ? (var_1_5 == ((signed long int) var_1_8)) : 1) : (var_1_5 == ((signed long int) -10000))))) && ((var_1_9 > var_1_10) ? (var_1_8 == ((unsigned char) (((((var_1_11 + (var_1_12 - var_1_13))) < ((5 + var_1_14))) ? ((var_1_11 + (var_1_12 - var_1_13))) : ((5 + var_1_14)))))) : 1)) && (var_1_22 ? (var_1_15 == ((unsigned long int) var_1_8)) : 1)) && (var_1_16 == ((signed short int) (((((var_1_15) < (((((var_1_13) > (var_1_12)) ? (var_1_13) : (var_1_12))))) ? (var_1_15) : (((((var_1_13) > (var_1_12)) ? (var_1_13) : (var_1_12)))))) - var_1_11)))) && (var_1_22 ? ((var_1_14 < (var_1_13 & (var_1_15 / 2))) ? (var_1_17 == ((signed char) (var_1_13 + (var_1_18 + (var_1_19 + 5))))) : (var_1_17 == ((signed char) var_1_18))) : (var_1_17 == ((signed char) -32)))) && (var_1_20 == ((signed long int) var_1_8))) && (var_1_22 == ((unsigned char) var_1_23)) ; [L211] RET, EXPR property() [L211] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_5=5, var_1_10=2, var_1_11=0, var_1_12=63, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=-32, var_1_18=-31, var_1_19=-15, var_1_1=0, var_1_20=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_27=-63, var_1_29=1, var_1_30=1, var_1_33=32767, var_1_35=4, var_1_36=0, var_1_37=4294967232, var_1_38=0, var_1_39=3, var_1_40=4, var_1_41=5, var_1_42=6, var_1_43=-1, var_1_44=-1, var_1_45=0, var_1_5=-10000, var_1_8=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_5=5, var_1_10=2, var_1_11=0, var_1_12=63, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=-32, var_1_18=-31, var_1_19=-15, var_1_1=0, var_1_20=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_27=-63, var_1_29=1, var_1_30=1, var_1_33=32767, var_1_35=4, var_1_36=0, var_1_37=4294967232, var_1_38=0, var_1_39=3, var_1_40=4, var_1_41=5, var_1_42=6, var_1_43=-1, var_1_44=-1, var_1_45=0, var_1_5=-10000, var_1_8=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 61 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 1, TraceHistogramMax: 33, 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=61occurred 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, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 122 NumberOfCodeBlocks, 122 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 04:47:18,958 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896e8368-60b7-44a2-8d6d-9c49b2b0b639/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_896e8368-60b7-44a2-8d6d-9c49b2b0b639/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896e8368-60b7-44a2-8d6d-9c49b2b0b639/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_896e8368-60b7-44a2-8d6d-9c49b2b0b639/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896e8368-60b7-44a2-8d6d-9c49b2b0b639/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-97.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896e8368-60b7-44a2-8d6d-9c49b2b0b639/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_896e8368-60b7-44a2-8d6d-9c49b2b0b639/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 50d5d35851cc8e5f5376c9c4d834d542e4edd508da7d290798477fa80ae9c511 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:47:21,609 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:47:21,721 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896e8368-60b7-44a2-8d6d-9c49b2b0b639/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 04:47:21,728 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:47:21,729 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:47:21,762 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:47:21,763 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:47:21,764 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:47:21,765 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:47:21,765 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:47:21,766 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:47:21,767 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:47:21,768 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:47:21,768 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:47:21,769 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:47:21,770 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:47:21,771 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:47:21,771 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:47:21,772 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:47:21,773 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:47:21,773 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:47:21,774 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:47:21,775 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:47:21,775 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:47:21,776 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:47:21,776 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:47:21,777 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:47:21,777 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:47:21,777 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:47:21,778 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:47:21,779 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:47:21,779 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 04:47:21,780 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:47:21,780 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:47:21,781 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:47:21,781 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:47:21,782 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:47:21,782 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:47:21,783 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:47:21,783 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:47:21,784 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:47:21,784 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:47:21,785 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_896e8368-60b7-44a2-8d6d-9c49b2b0b639/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896e8368-60b7-44a2-8d6d-9c49b2b0b639/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 50d5d35851cc8e5f5376c9c4d834d542e4edd508da7d290798477fa80ae9c511 [2023-11-19 04:47:22,271 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:47:22,303 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:47:22,306 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:47:22,307 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:47:22,307 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:47:22,309 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896e8368-60b7-44a2-8d6d-9c49b2b0b639/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-97.i [2023-11-19 04:47:25,462 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:47:25,795 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:47:25,796 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896e8368-60b7-44a2-8d6d-9c49b2b0b639/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-97.i [2023-11-19 04:47:25,806 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896e8368-60b7-44a2-8d6d-9c49b2b0b639/bin/utaipan-verify-t7M7D8N6sZ/data/df2376a81/69c23ef15cd24722a3fdbf1e41080ef7/FLAG5f66377a7 [2023-11-19 04:47:25,821 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896e8368-60b7-44a2-8d6d-9c49b2b0b639/bin/utaipan-verify-t7M7D8N6sZ/data/df2376a81/69c23ef15cd24722a3fdbf1e41080ef7 [2023-11-19 04:47:25,823 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:47:25,825 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:47:25,826 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:47:25,826 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:47:25,830 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:47:25,831 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:47:25" (1/1) ... [2023-11-19 04:47:25,836 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b1914f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:25, skipping insertion in model container [2023-11-19 04:47:25,837 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:47:25" (1/1) ... [2023-11-19 04:47:25,889 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:47:26,082 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_896e8368-60b7-44a2-8d6d-9c49b2b0b639/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-97.i[919,932] [2023-11-19 04:47:26,208 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:47:26,228 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:47:26,247 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_896e8368-60b7-44a2-8d6d-9c49b2b0b639/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-97.i[919,932] [2023-11-19 04:47:26,324 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:47:26,350 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:47:26,351 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:26 WrapperNode [2023-11-19 04:47:26,351 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:47:26,352 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:47:26,353 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:47:26,353 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:47:26,361 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:26" (1/1) ... [2023-11-19 04:47:26,390 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:26" (1/1) ... [2023-11-19 04:47:26,437 INFO L138 Inliner]: procedures = 27, calls = 46, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 210 [2023-11-19 04:47:26,438 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:47:26,438 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:47:26,439 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:47:26,439 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:47:26,455 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:26" (1/1) ... [2023-11-19 04:47:26,455 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:26" (1/1) ... [2023-11-19 04:47:26,463 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:26" (1/1) ... [2023-11-19 04:47:26,463 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:26" (1/1) ... [2023-11-19 04:47:26,484 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:26" (1/1) ... [2023-11-19 04:47:26,503 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:26" (1/1) ... [2023-11-19 04:47:26,507 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:26" (1/1) ... [2023-11-19 04:47:26,510 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:26" (1/1) ... [2023-11-19 04:47:26,527 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:47:26,528 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:47:26,528 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:47:26,528 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:47:26,529 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:26" (1/1) ... [2023-11-19 04:47:26,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:47:26,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896e8368-60b7-44a2-8d6d-9c49b2b0b639/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:47:26,568 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896e8368-60b7-44a2-8d6d-9c49b2b0b639/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:47:26,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896e8368-60b7-44a2-8d6d-9c49b2b0b639/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:47:26,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:47:26,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:47:26,619 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:47:26,619 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:47:26,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:47:26,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:47:26,714 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:47:26,717 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:47:31,370 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:47:31,381 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:47:31,382 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:47:31,387 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:47:31 BoogieIcfgContainer [2023-11-19 04:47:31,387 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:47:31,390 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:47:31,390 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:47:31,394 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:47:31,394 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:47:25" (1/3) ... [2023-11-19 04:47:31,395 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@636a3735 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:47:31, skipping insertion in model container [2023-11-19 04:47:31,396 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:26" (2/3) ... [2023-11-19 04:47:31,396 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@636a3735 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:47:31, skipping insertion in model container [2023-11-19 04:47:31,396 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:47:31" (3/3) ... [2023-11-19 04:47:31,398 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-97.i [2023-11-19 04:47:31,420 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:47:31,420 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:47:31,480 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:47:31,488 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;@38adda9c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:47:31,488 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:47:31,494 INFO L276 IsEmpty]: Start isEmpty. Operand has 95 states, 59 states have (on average 1.423728813559322) internal successors, (84), 60 states have internal predecessors, (84), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-11-19 04:47:31,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2023-11-19 04:47:31,522 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:47:31,524 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:47:31,527 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:47:31,535 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:47:31,535 INFO L85 PathProgramCache]: Analyzing trace with hash 49629536, now seen corresponding path program 1 times [2023-11-19 04:47:31,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:47:31,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1258524971] [2023-11-19 04:47:31,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:47:31,556 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 04:47:31,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896e8368-60b7-44a2-8d6d-9c49b2b0b639/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:47:31,560 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896e8368-60b7-44a2-8d6d-9c49b2b0b639/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 04:47:31,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896e8368-60b7-44a2-8d6d-9c49b2b0b639/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 04:47:32,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:47:32,320 INFO L262 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:47:32,339 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:47:32,410 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 604 proven. 0 refuted. 0 times theorem prover too weak. 1508 trivial. 0 not checked. [2023-11-19 04:47:32,411 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:47:32,412 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:47:32,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1258524971] [2023-11-19 04:47:32,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1258524971] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:47:32,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:47:32,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:47:32,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966144330] [2023-11-19 04:47:32,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:47:32,423 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 04:47:32,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:47:32,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 04:47:32,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 04:47:32,464 INFO L87 Difference]: Start difference. First operand has 95 states, 59 states have (on average 1.423728813559322) internal successors, (84), 60 states have internal predecessors, (84), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-11-19 04:47:32,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:47:32,514 INFO L93 Difference]: Finished difference Result 183 states and 327 transitions. [2023-11-19 04:47:32,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 04:47:32,517 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 208 [2023-11-19 04:47:32,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:47:32,529 INFO L225 Difference]: With dead ends: 183 [2023-11-19 04:47:32,529 INFO L226 Difference]: Without dead ends: 91 [2023-11-19 04:47:32,535 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 207 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 04:47:32,540 INFO L413 NwaCegarLoop]: 142 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, 142 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 04:47:32,541 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:47:32,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2023-11-19 04:47:32,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2023-11-19 04:47:32,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 56 states have (on average 1.3571428571428572) internal successors, (76), 56 states have internal predecessors, (76), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-11-19 04:47:32,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 142 transitions. [2023-11-19 04:47:32,617 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 142 transitions. Word has length 208 [2023-11-19 04:47:32,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:47:32,618 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 142 transitions. [2023-11-19 04:47:32,618 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-11-19 04:47:32,618 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 142 transitions. [2023-11-19 04:47:32,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2023-11-19 04:47:32,626 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:47:32,626 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:47:32,642 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896e8368-60b7-44a2-8d6d-9c49b2b0b639/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 04:47:32,839 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896e8368-60b7-44a2-8d6d-9c49b2b0b639/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 04:47:32,840 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:47:32,841 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:47:32,841 INFO L85 PathProgramCache]: Analyzing trace with hash 1998336558, now seen corresponding path program 1 times [2023-11-19 04:47:32,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:47:32,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [828581265] [2023-11-19 04:47:32,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:47:32,842 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 04:47:32,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896e8368-60b7-44a2-8d6d-9c49b2b0b639/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:47:32,847 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896e8368-60b7-44a2-8d6d-9c49b2b0b639/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 04:47:32,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896e8368-60b7-44a2-8d6d-9c49b2b0b639/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 04:47:33,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:47:33,577 INFO L262 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:47:33,590 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:47:35,268 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2023-11-19 04:47:35,271 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:47:35,272 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:47:35,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [828581265] [2023-11-19 04:47:35,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [828581265] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:47:35,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:47:35,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:47:35,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200345041] [2023-11-19 04:47:35,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:47:35,278 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:47:35,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:47:35,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:47:35,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:47:35,287 INFO L87 Difference]: Start difference. First operand 91 states and 142 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 2 states have internal predecessors, (46), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-11-19 04:47:35,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:47:35,454 INFO L93 Difference]: Finished difference Result 263 states and 412 transitions. [2023-11-19 04:47:35,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:47:35,455 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 2 states have internal predecessors, (46), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 208 [2023-11-19 04:47:35,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:47:35,461 INFO L225 Difference]: With dead ends: 263 [2023-11-19 04:47:35,462 INFO L226 Difference]: Without dead ends: 175 [2023-11-19 04:47:35,464 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:47:35,466 INFO L413 NwaCegarLoop]: 136 mSDtfsCounter, 33 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 04:47:35,467 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 260 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 04:47:35,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2023-11-19 04:47:35,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 165. [2023-11-19 04:47:35,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 96 states have (on average 1.2708333333333333) internal successors, (122), 96 states have internal predecessors, (122), 66 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2023-11-19 04:47:35,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 254 transitions. [2023-11-19 04:47:35,511 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 254 transitions. Word has length 208 [2023-11-19 04:47:35,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:47:35,513 INFO L495 AbstractCegarLoop]: Abstraction has 165 states and 254 transitions. [2023-11-19 04:47:35,514 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 2 states have internal predecessors, (46), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-11-19 04:47:35,514 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 254 transitions. [2023-11-19 04:47:35,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2023-11-19 04:47:35,520 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:47:35,520 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:47:35,541 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896e8368-60b7-44a2-8d6d-9c49b2b0b639/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 04:47:35,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896e8368-60b7-44a2-8d6d-9c49b2b0b639/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 04:47:35,736 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:47:35,736 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:47:35,737 INFO L85 PathProgramCache]: Analyzing trace with hash 409988656, now seen corresponding path program 1 times [2023-11-19 04:47:35,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:47:35,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1373322432] [2023-11-19 04:47:35,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:47:35,739 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 04:47:35,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896e8368-60b7-44a2-8d6d-9c49b2b0b639/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:47:35,740 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896e8368-60b7-44a2-8d6d-9c49b2b0b639/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 04:47:35,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896e8368-60b7-44a2-8d6d-9c49b2b0b639/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 04:47:36,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:47:36,341 INFO L262 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:47:36,351 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:47:37,952 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2023-11-19 04:47:37,953 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:47:37,953 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:47:37,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1373322432] [2023-11-19 04:47:37,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1373322432] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:47:37,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:47:37,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:47:37,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472665716] [2023-11-19 04:47:37,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:47:37,967 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:47:37,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:47:37,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:47:37,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:47:37,973 INFO L87 Difference]: Start difference. First operand 165 states and 254 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 2 states have internal predecessors, (46), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-11-19 04:47:38,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:47:38,177 INFO L93 Difference]: Finished difference Result 412 states and 634 transitions. [2023-11-19 04:47:38,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:47:38,178 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 2 states have internal predecessors, (46), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 208 [2023-11-19 04:47:38,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:47:38,192 INFO L225 Difference]: With dead ends: 412 [2023-11-19 04:47:38,192 INFO L226 Difference]: Without dead ends: 250 [2023-11-19 04:47:38,196 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:47:38,200 INFO L413 NwaCegarLoop]: 154 mSDtfsCounter, 34 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 04:47:38,202 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 280 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 04:47:38,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2023-11-19 04:47:38,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 248. [2023-11-19 04:47:38,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 145 states have (on average 1.2620689655172415) internal successors, (183), 145 states have internal predecessors, (183), 99 states have call successors, (99), 3 states have call predecessors, (99), 3 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2023-11-19 04:47:38,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 381 transitions. [2023-11-19 04:47:38,297 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 381 transitions. Word has length 208 [2023-11-19 04:47:38,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:47:38,298 INFO L495 AbstractCegarLoop]: Abstraction has 248 states and 381 transitions. [2023-11-19 04:47:38,299 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 2 states have internal predecessors, (46), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-11-19 04:47:38,299 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 381 transitions. [2023-11-19 04:47:38,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2023-11-19 04:47:38,303 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:47:38,303 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:47:38,328 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896e8368-60b7-44a2-8d6d-9c49b2b0b639/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 04:47:38,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896e8368-60b7-44a2-8d6d-9c49b2b0b639/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 04:47:38,517 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:47:38,517 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:47:38,518 INFO L85 PathProgramCache]: Analyzing trace with hash 1431057010, now seen corresponding path program 1 times [2023-11-19 04:47:38,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:47:38,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [729948299] [2023-11-19 04:47:38,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:47:38,519 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:47:38,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896e8368-60b7-44a2-8d6d-9c49b2b0b639/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:47:38,525 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896e8368-60b7-44a2-8d6d-9c49b2b0b639/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 04:47:38,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896e8368-60b7-44a2-8d6d-9c49b2b0b639/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 04:47:39,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:47:39,124 INFO L262 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:47:39,131 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:47:40,116 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 1082 proven. 51 refuted. 0 times theorem prover too weak. 979 trivial. 0 not checked. [2023-11-19 04:47:40,117 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 04:47:40,818 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 45 proven. 51 refuted. 0 times theorem prover too weak. 2016 trivial. 0 not checked. [2023-11-19 04:47:40,819 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:47:40,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [729948299] [2023-11-19 04:47:40,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [729948299] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 04:47:40,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [436706478] [2023-11-19 04:47:40,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:47:40,824 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:47:40,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896e8368-60b7-44a2-8d6d-9c49b2b0b639/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 04:47:40,832 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896e8368-60b7-44a2-8d6d-9c49b2b0b639/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:47:40,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896e8368-60b7-44a2-8d6d-9c49b2b0b639/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-19 04:47:41,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:47:41,397 INFO L262 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:47:41,403 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:47:41,487 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2023-11-19 04:47:41,487 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:47:41,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [436706478] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:47:41,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-19 04:47:41,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6, 6] total 9 [2023-11-19 04:47:41,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245873096] [2023-11-19 04:47:41,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:47:41,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:47:41,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:47:41,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:47:41,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-11-19 04:47:41,491 INFO L87 Difference]: Start difference. First operand 248 states and 381 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-11-19 04:47:41,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:47:41,689 INFO L93 Difference]: Finished difference Result 420 states and 647 transitions. [2023-11-19 04:47:41,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:47:41,690 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 208 [2023-11-19 04:47:41,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:47:41,716 INFO L225 Difference]: With dead ends: 420 [2023-11-19 04:47:41,716 INFO L226 Difference]: Without dead ends: 258 [2023-11-19 04:47:41,718 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 621 GetRequests, 613 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-11-19 04:47:41,722 INFO L413 NwaCegarLoop]: 255 mSDtfsCounter, 130 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 375 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 04:47:41,725 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 375 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 04:47:41,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2023-11-19 04:47:41,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 248. [2023-11-19 04:47:41,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 145 states have (on average 1.2275862068965517) internal successors, (178), 145 states have internal predecessors, (178), 99 states have call successors, (99), 3 states have call predecessors, (99), 3 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2023-11-19 04:47:41,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 376 transitions. [2023-11-19 04:47:41,775 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 376 transitions. Word has length 208 [2023-11-19 04:47:41,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:47:41,776 INFO L495 AbstractCegarLoop]: Abstraction has 248 states and 376 transitions. [2023-11-19 04:47:41,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-11-19 04:47:41,777 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 376 transitions. [2023-11-19 04:47:41,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2023-11-19 04:47:41,781 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:47:41,781 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:47:41,801 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896e8368-60b7-44a2-8d6d-9c49b2b0b639/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 04:47:41,998 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896e8368-60b7-44a2-8d6d-9c49b2b0b639/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-11-19 04:47:42,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896e8368-60b7-44a2-8d6d-9c49b2b0b639/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896e8368-60b7-44a2-8d6d-9c49b2b0b639/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt [2023-11-19 04:47:42,196 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:47:42,196 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:47:42,197 INFO L85 PathProgramCache]: Analyzing trace with hash 2132121588, now seen corresponding path program 1 times [2023-11-19 04:47:42,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:47:42,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1000555601] [2023-11-19 04:47:42,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:47:42,198 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 04:47:42,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896e8368-60b7-44a2-8d6d-9c49b2b0b639/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:47:42,199 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896e8368-60b7-44a2-8d6d-9c49b2b0b639/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 04:47:42,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896e8368-60b7-44a2-8d6d-9c49b2b0b639/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 04:47:42,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:47:42,793 INFO L262 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:47:42,799 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:47:44,493 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2023-11-19 04:47:44,495 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:47:44,495 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:47:44,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1000555601] [2023-11-19 04:47:44,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1000555601] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:47:44,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:47:44,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 04:47:44,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118602336] [2023-11-19 04:47:44,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:47:44,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 04:47:44,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:47:44,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 04:47:44,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-19 04:47:44,499 INFO L87 Difference]: Start difference. First operand 248 states and 376 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-11-19 04:47:45,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:47:45,909 INFO L93 Difference]: Finished difference Result 564 states and 857 transitions. [2023-11-19 04:47:45,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 04:47:45,911 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 208 [2023-11-19 04:47:45,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:47:45,916 INFO L225 Difference]: With dead ends: 564 [2023-11-19 04:47:45,916 INFO L226 Difference]: Without dead ends: 319 [2023-11-19 04:47:45,918 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-19 04:47:45,919 INFO L413 NwaCegarLoop]: 246 mSDtfsCounter, 156 mSDsluCounter, 401 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 647 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-19 04:47:45,920 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 647 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-19 04:47:45,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2023-11-19 04:47:45,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 248. [2023-11-19 04:47:45,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 145 states have (on average 1.2206896551724138) internal successors, (177), 145 states have internal predecessors, (177), 99 states have call successors, (99), 3 states have call predecessors, (99), 3 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2023-11-19 04:47:45,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 375 transitions. [2023-11-19 04:47:45,984 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 375 transitions. Word has length 208 [2023-11-19 04:47:45,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:47:45,985 INFO L495 AbstractCegarLoop]: Abstraction has 248 states and 375 transitions. [2023-11-19 04:47:45,986 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-11-19 04:47:45,986 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 375 transitions. [2023-11-19 04:47:45,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2023-11-19 04:47:45,991 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:47:45,991 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:47:46,013 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896e8368-60b7-44a2-8d6d-9c49b2b0b639/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 04:47:46,204 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896e8368-60b7-44a2-8d6d-9c49b2b0b639/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 04:47:46,205 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:47:46,205 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:47:46,205 INFO L85 PathProgramCache]: Analyzing trace with hash 1314667162, now seen corresponding path program 1 times [2023-11-19 04:47:46,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:47:46,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1057145646] [2023-11-19 04:47:46,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:47:46,207 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 04:47:46,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896e8368-60b7-44a2-8d6d-9c49b2b0b639/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:47:46,209 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896e8368-60b7-44a2-8d6d-9c49b2b0b639/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 04:47:46,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896e8368-60b7-44a2-8d6d-9c49b2b0b639/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 04:47:46,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:47:46,772 INFO L262 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:47:46,778 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:47:47,704 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 1082 proven. 51 refuted. 0 times theorem prover too weak. 979 trivial. 0 not checked. [2023-11-19 04:47:47,705 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 04:47:48,370 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 45 proven. 51 refuted. 0 times theorem prover too weak. 2016 trivial. 0 not checked. [2023-11-19 04:47:48,370 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:47:48,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1057145646] [2023-11-19 04:47:48,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1057145646] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 04:47:48,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [227780297] [2023-11-19 04:47:48,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:47:48,371 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:47:48,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896e8368-60b7-44a2-8d6d-9c49b2b0b639/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 04:47:48,377 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896e8368-60b7-44a2-8d6d-9c49b2b0b639/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:47:48,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896e8368-60b7-44a2-8d6d-9c49b2b0b639/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-11-19 04:47:49,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:47:49,528 INFO L262 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:47:49,532 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:47:49,923 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2023-11-19 04:47:49,923 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:47:49,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [227780297] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:47:49,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-19 04:47:49,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 6] total 11 [2023-11-19 04:47:49,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766528229] [2023-11-19 04:47:49,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:47:49,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 04:47:49,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:47:49,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 04:47:49,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2023-11-19 04:47:49,926 INFO L87 Difference]: Start difference. First operand 248 states and 375 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-11-19 04:47:51,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:47:51,943 INFO L93 Difference]: Finished difference Result 646 states and 979 transitions. [2023-11-19 04:47:51,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 04:47:51,944 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 209 [2023-11-19 04:47:51,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:47:51,949 INFO L225 Difference]: With dead ends: 646 [2023-11-19 04:47:51,950 INFO L226 Difference]: Without dead ends: 401 [2023-11-19 04:47:51,952 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 627 GetRequests, 615 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2023-11-19 04:47:51,953 INFO L413 NwaCegarLoop]: 331 mSDtfsCounter, 212 mSDsluCounter, 564 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 895 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-11-19 04:47:51,953 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [212 Valid, 895 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-11-19 04:47:51,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2023-11-19 04:47:52,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 395. [2023-11-19 04:47:52,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 395 states, 224 states have (on average 1.1875) internal successors, (266), 224 states have internal predecessors, (266), 165 states have call successors, (165), 5 states have call predecessors, (165), 5 states have return successors, (165), 165 states have call predecessors, (165), 165 states have call successors, (165) [2023-11-19 04:47:52,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 596 transitions. [2023-11-19 04:47:52,069 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 596 transitions. Word has length 209 [2023-11-19 04:47:52,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:47:52,074 INFO L495 AbstractCegarLoop]: Abstraction has 395 states and 596 transitions. [2023-11-19 04:47:52,074 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-11-19 04:47:52,074 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 596 transitions. [2023-11-19 04:47:52,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2023-11-19 04:47:52,079 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:47:52,080 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:47:52,102 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896e8368-60b7-44a2-8d6d-9c49b2b0b639/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 04:47:52,312 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896e8368-60b7-44a2-8d6d-9c49b2b0b639/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-11-19 04:47:52,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896e8368-60b7-44a2-8d6d-9c49b2b0b639/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=3,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896e8368-60b7-44a2-8d6d-9c49b2b0b639/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt [2023-11-19 04:47:52,496 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:47:52,496 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:47:52,496 INFO L85 PathProgramCache]: Analyzing trace with hash -1495602127, now seen corresponding path program 1 times [2023-11-19 04:47:52,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:47:52,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1428123037] [2023-11-19 04:47:52,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:47:52,498 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 04:47:52,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896e8368-60b7-44a2-8d6d-9c49b2b0b639/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:47:52,499 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896e8368-60b7-44a2-8d6d-9c49b2b0b639/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 04:47:52,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896e8368-60b7-44a2-8d6d-9c49b2b0b639/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 04:47:53,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:47:53,093 INFO L262 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:47:53,098 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:47:56,375 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2023-11-19 04:47:56,376 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:47:56,376 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:47:56,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1428123037] [2023-11-19 04:47:56,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1428123037] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:47:56,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:47:56,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 04:47:56,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418258710] [2023-11-19 04:47:56,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:47:56,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 04:47:56,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:47:56,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 04:47:56,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-19 04:47:56,380 INFO L87 Difference]: Start difference. First operand 395 states and 596 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-11-19 04:47:57,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:47:57,365 INFO L93 Difference]: Finished difference Result 811 states and 1216 transitions. [2023-11-19 04:47:57,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 04:47:57,366 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 209 [2023-11-19 04:47:57,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:47:57,373 INFO L225 Difference]: With dead ends: 811 [2023-11-19 04:47:57,373 INFO L226 Difference]: Without dead ends: 486 [2023-11-19 04:47:57,375 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-19 04:47:57,377 INFO L413 NwaCegarLoop]: 139 mSDtfsCounter, 84 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-19 04:47:57,377 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 433 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-19 04:47:57,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2023-11-19 04:47:57,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 477. [2023-11-19 04:47:57,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 477 states, 272 states have (on average 1.1838235294117647) internal successors, (322), 272 states have internal predecessors, (322), 198 states have call successors, (198), 6 states have call predecessors, (198), 6 states have return successors, (198), 198 states have call predecessors, (198), 198 states have call successors, (198) [2023-11-19 04:47:57,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 477 states and 718 transitions. [2023-11-19 04:47:57,480 INFO L78 Accepts]: Start accepts. Automaton has 477 states and 718 transitions. Word has length 209 [2023-11-19 04:47:57,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:47:57,481 INFO L495 AbstractCegarLoop]: Abstraction has 477 states and 718 transitions. [2023-11-19 04:47:57,481 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-11-19 04:47:57,481 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 718 transitions. [2023-11-19 04:47:57,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2023-11-19 04:47:57,486 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:47:57,486 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:47:57,504 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896e8368-60b7-44a2-8d6d-9c49b2b0b639/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)] Forceful destruction successful, exit code 0 [2023-11-19 04:47:57,703 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896e8368-60b7-44a2-8d6d-9c49b2b0b639/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 04:47:57,704 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:47:57,704 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:47:57,704 INFO L85 PathProgramCache]: Analyzing trace with hash 936323251, now seen corresponding path program 1 times [2023-11-19 04:47:57,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:47:57,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [779670648] [2023-11-19 04:47:57,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:47:57,705 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 04:47:57,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896e8368-60b7-44a2-8d6d-9c49b2b0b639/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:47:57,706 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896e8368-60b7-44a2-8d6d-9c49b2b0b639/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 04:47:57,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896e8368-60b7-44a2-8d6d-9c49b2b0b639/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 (11)] Waiting until timeout for monitored process [2023-11-19 04:47:58,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:47:58,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-19 04:47:58,312 INFO L285 TraceCheckSpWp]: Computing forward predicates...